Instruction G3310e1

Ring spinning frame G 33

ROBOdoff

07.2001 - en G3310e1 1

2 G3310e1 07.2001 - en

Index to contents

1. ROBOdoff function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2. Description of the sequence of movements of the ROBOdoff . . . . . . . . . . . . . . . . . . . . 5

3. Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123.1 Doffer beam neutral position . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123.2 Corrective action on ROBOdoff . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

4. Mechanical adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144.1 Basic settings for the threaded spindle in bottom position . . . . . . . . . . . . . . . . . . . . . 144.2 Basic setting of articulated links . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154.3 Basic setting of the switching rail

(Limit switches S124 and S123, proximity switches B107, B106, B105, B103, B104) . . . . . . . 164.4 Relieving springs / Doffer beam holders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174.5 Basic setting of proximity switch carrier (B100...B102) . . . . . . . . . . . . . . . . . . . . . . 184.6 Doffer beam . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 194.7 Doffer beam end piece at headstock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204.8 Laying the cable on doffer beam end piece at headstock . . . . . . . . . . . . . . . . . . . . . 204.9 Doffer beam end at tailstock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 214.10 Cord . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 214.11 Feeding cable at final termination of doffer beam foot . . . . . . . . . . . . . . . . . . . . . . . 224.12 Adjusting the position of the doffer beam along the length of the machine . . . . . . . . . . . . 224.13 Adjusting terminal strips . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 234.14 Basic setting for doffer beam height . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 244.15 Adjusting the doffer beam height . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 254.16 Limit switch S124 doffer beam position overshot at bottom . . . . . . . . . . . . . . . . . . . 274.17 Limit switch S123 doffer beam position overshot at top . . . . . . . . . . . . . . . . . . . . 274.18 Adjusting the doffer beam swung-in position . . . . . . . . . . . . . . . . . . . . . . . . . . . . 284.19 Adjusting the doffer beam swung-out position . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

5. Proximity switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 295.1 Proximity switch B100 neutral position . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 295.2 Proximity switch B101 doffer beam position: grip spinning tubes / cops . . . . . . . . . . . . 295.3 Proximity switch B102 doffer beam position: deposit spinning tubes / cops . . . . . . . . . . 305.4 Proximity switch B103 doffer beam position: 1st switch-over fast/slow at top . . . . . . . . . . 305.5 Proximity switch B104 doffer beam in top position . . . . . . . . . . . . . . . . . . . . . . . 305.6 Proximity switch B105 Doffer beam in 2nd switch-over pos. fast / slow spindle . . . . . . . . 315.7 Proximity switch B106 doffer beam position: load spinning tubes . . . . . . . . . . . . . . . . 315.8 Proximity switch B107 Doffer beam in 3rd switch-over pos. fast slow at bottom . . . . . . . . 32

6. Gripper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

7. Replacing the threaded spindle and the lifting rod nut . . . . . . . . . . . . . . . . . . . . . . . 347.1 Dismantling when the doffer beam is below the level of the spindle cradle . . . . . . . . . . . . 347.2 Dismantling when the doffer beam is above the level of the spindle cradle . . . . . . . . . . . . 357.3 Fitting a new threaded spindle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 377.4 Lubrication of threaded spindle (after replacement) . . . . . . . . . . . . . . . . . . . . . . . . 39

ROBOdoff

07.2001 - en G3310e1 3

4 G3310e1 07.2001 - en

1. ROBOdoff function

With the ROBodoff the spinning tubes are transferredfrom the peg trays to the spinning tube pegs on thetops of the peg tray.

The cops are removed from the spindles and depo-sited on the peg trays.

The SERVOdisc traction strip is offset by half adivision. The doffer beam collects the spinning tubesfrom the tops of the peg tray and loads them onto thespindles.

The SERVOdisc traction strip starts up as soon asthe doffer beam has pressed the spinning tubes ontothe spindles.

The cops are transported on the peg trays to theROBOload or the bobbin-winder.

At the same time, the empty spinning tubes aretransported on the peg trays from the ROBOload orthe bobbin-winder to the ring spinning frame.

2. Description of the sequence of movements of the ROBOdoff

Key:1 = Thread guides2 = Spindles with spinning tubes or cops3 = Ring rails4 = Gripper5 = Doffer beam6 = Holder with clamps7 = Spring unit8 = SERVOdisc9 = ROBOdoff with swing lever

The doffer beam (5) is in neutral position (B100 isactive).

The ROBOdoff in in automatic mode.

The ROBOload or the bobbin-winder is switchedon.

The peg trays are loaded with spinning tubes.

The SERVOdisc traction strip (8) is in doffingposition.

The SERVOdisc is in automatic mode.

The ring spinning frame is in automatic mode,the ring rails (3) are in cops changing position (B39is active).

The thread guides (1) are raised. (S22 is active)

ROBOdoff

07.2001 - en G3310e1 5

Transferring spinning tubes: The doffer beam (5) moves down to the Grip

spinning tubes position (B101).

The grippers (4) inflate and grip the spinning tubes.

The doffer beam (5) moves back up into neutralposition (B100).

The SERVOdisc traction strip moves forwardsfrom the doffing position B150 to the interme-diate position (B151).

The doffer beam (5) moves down into the depositspinning tubes position (B102).

ROBOdoff

6 G3310e1 07.2001 - en

The grippers (4) deflate. The spinning tubes (11)drop onto the pegs on the tops of the peg tray (12).

Doffing cops:

The doffer beam (5) moves right up to the top intothe swing in/out position (B104).

The SERVOdisc traction strip moves backwardspast the doffing position (B150) and then forwardsinto the exact doffing position (B150).

ROBOdoff

07.2001 - en G3310e1 7

The doffer beam (5) is in the swing in / outposition (B104).

The doffer beam (5) swings in. The limit switch(S120 doffer beam swung in) is tripped.

The doffer beam (5) is lowered to the positionspinning tubes / cops on spindle (B106)

The grippers (4) inflate.

The doffer beam (5) is raised into the swing in /out position (B104).

The doffer beam (5) swings out. The limit switch(S121 doffer beam swung out) is tripped.

ROBOdoff

8 G3310e1 07.2001 - en

The doffer beam (5) is lowered into the depositspinning tubes / cops position (B102). The tips ofthe peg trays are inserted into the spinning tubesof the cops (13).

The grippers (4) deflate and the cops (13) dropdown onto the pegs of the peg trays.

The doffer beam (5) is raised to the neutralposition (B100).

ROBOdoff

07.2001 - en G3310e1 9

The SERVOdisc traction strip moves forward halfa division into intermediate position as far as theproximity switch (B151).

The doffer beam (5) moves down into depositspinning tubes / cops position (B101).

The grippers (4) inflate, thus gripping the spinningtubes (11).

ROBOdoff

10 G3310e1 07.2001 - en

The doffer beam (5) is raised to swing in / outposition (B104).

The doffer beam (5) swings in. The limit switch(S120 doffer beam swung in) is tripped.

The doffer beam (5) is lowered to spinning tubes/ cops on spindles position (B106).

The grippers (4) deflate.

The SERVOdisc traction strip starts and carriesthe cops to the ROBOload or to the transfer stati-on. At the same time the peg trays are loaded withspinning tubes. The SERVOdisc traction strip runsuntil it reaches doffing position (B151).

The doffer beam (5) is raised to swing in / outposition (B104).

The doffer beam (5) swings out. The limit switch(S121 doffer beam swung out) is tripped.

The doffer beam (5) is lowered to proximity switch(B100) neutral position.

The ring spinning frame starts up by running thespinning start-up program.

ROBOdoff

07.2001 - en G3310e1 11

3. Operation

3.1 Doffer beam neutral position

Key:4 = Gripper5 = Doffer beam11 = Spinning tube12 = Top part of peg tray of SERVOdiscS121 = Limit switch doffer beam swung outS120 = Limit switch doffer beam swung in

The doffer beam is positioned in such a way that theproximity switch (B100) neutral position is activa-ted (approach from above).

To enable the ROBOdoff to start after the ringspinning frame has finished underwinding, theSERVOdisc must be in doffing position (B150).

Key:33 = Sleeve36 = Tube37 = Pressure spring38 = Proximity switch cover39 = Proximity switch holder40 = Trip ring on tube (33)41 = Guide pin42 = Bearing bush43 = Seeger ring44 = Cross member45 = Drag bearing46 = Doffer beamB100 = Neutral positionB101 = Doffer beam in grip spinning tubes

positionB102 = Doffer beam in deposit spinning tubes /

cops position

ROBOdoff

12 G3310e1 07.2001 - en

3.2 Corrective action on ROBOdoff

Key:4 = Gripper5 = Doffer beam11 = Spinning tube13 = CopsS121 = Limit switch doffer beam swung outS120 = Limit switch doffer beam swung in

If a gripper (4) disengages while loading the spin-ning tubes (11), the doffer beam (5) stops imme-diately. (Loss of pressure = F112, F113)

The doffer beam (5) moves back into swing in /out position (B104).

The message 235 Gripper disengaged F112,F113 is displayed.

Remove the obstructing cop (13). Put the spinningtube in the gripper and hold it tight. The top edgeof the gripper is 7 mm from the spinning tube.Put the gripper (4) together with the spinning tube(11) into the doffer beam (5). Align the tube withthe spindle.

On the control panel of the ring spinning frame,actuate the two START buttons (51) together. TheROBOdoff starts up.

ROBOdoff

07.2001 - en G3310e1 13

4. Mechanical adjustments

4.1 Basic settings for the threaded spindle in bottom position

Key:1 = Cross member for swing motion2 = Seeger circlip3 = Lifting rod 1423 mm long (1473 mm T75)4 = Protective rail5 = Bearing film6 = Centring ring7 = Shock absorber 40/57x158 = Coupling lining ring9 = Threaded spindleG = Basic setting for all tube lengths = 15 mmM = Mounting distance for all tube lengths

15+60 =75mm

Assembly The threaded spindle (9/13) is inserted in the lifting

rod nut.

Put the two shock absorbers (7) onto the threadedspindle (headstock side).

Turn the rear lifting rod (813 mm long, 913 mmT75) together with the threaded spindle (9/13) andtighten.

Push the front lifting rod (3) through the dragbearing of the cross member (1). To protect thebearing film, insert the assembly mandrel (83).

Adjust the mounting distance M = (15+60) 75mm on both sides of the machine by turning thethreaded spindle.

For the basic setting of the doffer beam height, adjustthe basic setting of the threaded spindle so that thedistance G = 15 mm.

The caps of the threaded spindle are fastened withhose clips.

ROBOdoff

14 G3310e1 07.2001 - en

4.2 Basic setting of articulated links

Key:1 = Lifting rod bearing2 = Clamping point stop3 = Lifting rod4 = Washer5 = Long swing lever6 = Short swing lever (straight outside edge)7 = Inscription on inside 8 = Assembly setting gauge9 = Drag bearing10 = Lifting rod coupling

Key:8 = Assembly setting gaugeB = Setting distance per spinning tube length

Adjust the assembly setting gauge (8) according tothe tube length.

The jobs described below must be carried out onboth sides of the machine.

Make sure that the threaded spindle is set to theassembly distance 75 mm.

Put the snap rings onto the lifting rods (none at theend of the machine).

Screw the long lifting rod coupling on loosely be-hind the doffer drive section (DAS).

Screw all the other lifting rod couplings (10) onloosely.

Switch on the electrovalve Y120 using thescrewdriver. This swings in all the swing levers.

Insert the pre-adjusted assembly gauge (8) at theswing lever in front of the threaded spindle.

At the swing lever in front of the threaded spindle,remove the washer (4) from the clamping pointstop (2) and moderately tighten the two screws ofthe clamping point stop. The lifting rod can nowno longer rotate.

On the previous lifting rod coupling (10) gentlywedge a 3 mm Allen key (X) horizontally. Tightenthe remaining screws on this lifting rod coupling(10) in such a way that you can remove the Allenkey. Tighten the 4 screws on this lifting rod cou-pling (10) evenly.

Adjust the other lifting rod couplings (10) in hori-zontal position, proceeding in the direction of theheadstock and then from the DAS towards thetailstock.

Tighten all the screws on the lifting rod cou-plings (10) to 70 Nm.

Insert the assembly gauge (8) at each articulatedlink, remove the washer on the clamping point stop(2) and moderately tighten the two screws on theclamping point stop.

Switch off the solenoid Y120 using the screwdriver and switch on the solenoid Y121 untilthe doffer beam is swung out. Then switch offagain.

ROBOdoff

07.2001 - en G3310e1 15

4.3 Basic setting of the switching rail

(Limit switches S124 and S123, proximity switches B107, B106, B105, B103, B104)

Key:1 = Cover proximity switches2 = Lifting rod3 = Trip ring4 = Switching surface for the proximity switches5 = Setting screws in the trip ring

Never loosen these after assembly!6 = Proximity switch support7 = Cable holder8 = Cables to terminal box9 = Cross member10 = Switching rail SMI11 = Limit switch rail12 = Protection railB103 = Top switch-over position fast/slow B104 = Doffer beam position, swing in / outB105 = Spindle switch-over position fast/slowB106 = Doffer beam position, spinning tubes /

cops spindleB107 = Bottom switch-over fast/slowS123 = Doffer beam position, overshot topS124 = Doffer beam position, overshot bottom

Assembly position of proximity switches:

HL b c d

180 63 365 549

190 63 365 568

200 63 353 566

210 63 352 587

220 63 324 549

230 63 324 547

240 63 314 588

250 63 324 610

HL = Spinning tube length

During assembly the distance between the swit-ching surface for the proximity switch (4) and eachproximity switch is set to 1.0 - 1.2 mm. Now the tripring can be moved on the lifting rod. Adjust theposition of the connector and tighten the two nuts onthe proximity switch to 12 Nm. Any greater torquewill destroy the proximity switch.

After assembly adjust the distance (1.0 -1.2 mm)from the proximity switch as follows: In Maintenance mode move the lifting rod and

the trip ring towards the appropriate proximityswitch (never loosen the trip ring).

Turn off the main switch. Set the distance between the switching surface for

the proximity switch (4) and the proximity switch to1.0 - 1,2 mm. Adjust the position of the connectorand tighten the two nuts on the proximity switch to12 Nm. Any greater torque will destroy theproximity switch.

Turn on the main switch.

ROBOdoff

16 G3310e1 07.2001 - en

4.4 Relieving springs / Doffer beam holders

Key:33 = Tube36 = Hose 37 = Pressure spring38 = Proximity switch cover39 = Proximity switch holder40 = Trip ring on tube 833)41 = Guide pin42 = Bearing bush43 = Holder44 = Cross member45 = Drag bearing46 = Doffer beam47 = Holder48 = Fastening plateB100 = Neutral positionB102 = Doffer beam in deposit spinning tubes /

cops positionB101 = Doffer beam in grip spinning tubes

position

Relieving springs are fitted on every cross memberwith a swing motion. On the last cross member at thetailstock there are no reliving springs because of thespiral hose

Insert the tube (33) into the hose (36). On theright-hand side of the machine, after the dofferdrive section (towards the tailstock) the tube(33) is inserted with the metal ring and the hose(36) with the oblong slot is used when theswing motion occurs.

Insert the pressure spring and the guide pin frombeneath.

Insert the fastening plate (48) from above.

Screw the fastening plate (48) tight with PosiDrivmushroom-head screws M6x12.

The holders (47) vary depending on the length of thespinning tubes.

The holders (47) are fastened with the shafts onthe articulated link.

ROBOdoff

07.2001 - en G3310e1 17

4.5 Basic setting of proximity switch carrier (B100...B102)

Key:31 = Clamp32 = Holder (3 models)33 = Sleeve34 = Sliding element35 = Clamp with groove36 = Tube37 = Pressure spring38 = Proximity switch cover39 = Proximity switch holder40 = Trip ring on tube (33)41 = Guide pin42 = Bearing bush43 = Seeger ring44 = Cross memberB100 = Doffer beam in neutral positionB101 = Doffer beam in grip spinning tubes

positionB102 = Doffer beam in deposit spinning tubes /

cops position

The jobs described here may only be carried outby trained and qualified personnel. Errors maycause damage to the machine!+ Instructions G3302, G3303, G3305 In Maintenance mode, raise the doffer beam hig-

her than the relief springs.

Turn off the main switch and secure it with apadlock.

Remove the proximity switch cover (38).

Loosen the screws of the proximity switches (B100 B102).

Loosen the 4 screws of the proximity switch brak-ket (39). Turn the proximity switch bracket (39) sothat the proximity switches (B100 B 102) arenext to the slot on the tube (36). Slightly tightenthe 4 screws of the proximity switch bracket (39).

Adjust the proximity switches (B100 B102) sothat they rest against the tube (36) and fasten withthe nuts.

Loosen the 4 screws of the proximity switch brak-ket (39). Turn the proximity switch bracket so thatthe proximity switches (B100 B102) are in thetopmost position on the slot of the tube (36).Moderately tighten the 4 screws of the proximityswitch bracket (39).

Give each proximity switch (B100 B102) 1.0 turninwards. Tighten the nuts on the proximity swit-ches (B100 B102) to 12 Nm. Do not tighten anymore than that otherwise the proximity swit-ches (B100 B102) may be damaged.

Adjust the height of the proximity switch holder (39)to set the grip spinning tubes position of the dofferbeam (B101).

After adjusting the doffer beam height the proximityswitch holder needs to be re-adjusted.+ Proximity switch B101 Doffer beam in grip

spinning tubes position.

Tighten the proximity switch cover (38).

ROBOdoff

18 G3310e1 07.2001 - en

4.6 Doffer beam

On even-numbered sections all the doffer beams arethe same length. The first and last doffer beams havea thread for the air supply connection.

On odd-numbered sections the first doffer beam atthe headstock is longer. The first and last dofferbeams have a thread for the air supply connection.

Key:1 = Movable bearing of doffer beam 1 - 2 Nm2 = Fixed bearing of doffer beam 4 - 5 Nm3 = Pointed stud bolt M6 x104 = Plastic terminal strip 5 = Gripper6 = Steel terminal strip 46 = Doffer beam47 = Holder

The impact seals are used to connect the air supplylines in the doffer beam.

They are greased and then inserted into the boreho-les.

Always begin assembling the doffer beams at theheadstock.

Insert the impact seals. The clearance betweendoffer beams (46) is approx. 4 mm.

Push the terminal strip (6 or 4) in flush and slightlytighten one gudgeon (3).

The precise longitudinal position of the dofferbeam (46) will be set later.

Insert all the grippers (5)

ROBOdoff

07.2001 - en G3310e1 19

4.7 Doffer beam end piece at headstock

Key:8 = Elbow joint 12 = Screws9 = Reducing nipple 13 = Cable10 = Reducing pipe nipple 14 = Protective hose11 = Plug 15 = Hose bracket

F110 = (1.0 bar) Gripper pressure, right-hand sideF111 = (1.0 bar) Gripper pressure, left-hand sideF112 = (2.0 bar) Gripper pressure, right-hand sideF113 = (2.0 bar) Gripper pressure, left-hand side

Screw the elbow joint (8) into the bottom boreholeof the doffer beam with Omnifit and align it perpen-dicularly downwards.

Screw the pressure switch (2.0 bar) in with Omnifit.Insert the plug (11) of the cable (13) and adjust theposition of the pressure switch.

Screw the two reducing nipples (9) and (10) intothe top borehole with Omnifit. Screw in the elbowjoint (8) with Omnifit and align it perpendicularlydownwards.

Screw the pressure switch (1.0 bar) in with Omnifit.Insert the plug (11) of the cable and set the positionof the pressure switch.

Push the end piece onto the doffer beam as far asthe 80 mm mark and tighten the screws (12)

Draw the cable (13) into the protective hose (14)and push the protective hose (14) into the hosebracket (15).

Draw the cable (13) into the protective hose.

Screw the hose bracket (15) tight onto the shortswing lever and the long swing lever. Put theprotective hose (16) in the hose bracket (15).Make sure that there is enough play at the articu-lation in the bottom doffer beam position.

Connect the cables in the terminal box.

4.8 Laying the cable on doffer beam end piece at headstock

Key:15 = Hose bracket16 = Protective hoseA = Loop of insulating tubeB = Distance in bottom doffer beam position

The circlips (15) for the insulating tube are screwedon tight at the bottom on the doffer beam and on thearticulated links. Press the insulating tube (16) withits cables into the circlip at the bottom of the dofferbeam. In the bottom doffer beam position, the loop(A) of the insulating tube is 5 -10 mm away from theclip. In the bottom doffer beam position, the loop (B)of the insulating tube (16) is 10 - 15 mm away fromthe articulated link.

ROBOdoff

20 G3310e1 07.2001 - en

4.9 Doffer beam end at tailstock

Key:1 = Hose nozzle2 = Straight plug-in connection3 = Spiral hose4 = Air supply line to Y1245 = Emergency shut-down switch S20/S216 = NotchS = Insulating tube

Mark off 78 mm on the doffer beam end piece atthe tailstock.

Screw in the hose nozzle (1) and the straightplug-in connection (2) on the doffer beam.

Attach the spiral hose with the hose clamp.

Plug in the air supply line (4) from electrovalveY124.

Screw the emergency shut-down cable (5) in theend piece. Cap screw M6x16

Push the end piece onto the doffer beam as far asthe 78 mm mark and tighten the screws.

4.10 Cord

Draw in the cord. Connect the cord to the emergencyshut-down cable and fasten the end of the cord to theend piece at the headstock.

Adjust the length of the cord so that when it isactivated for an emergency shut-down the notch(6) is visible.

ROBOdoff

07.2001 - en G3310e1 21

4.11 Feeding cable at final termination of doffer beam foot

Key:3 = Spiral tube4 = Air supply line to Y1245 = Emergency shut-down buttons S20/S217 = Cord8 = Cable for emergency shut-down 16 = Position of circlips17 = Distance 40 - 45 mm18 = Distance 10 - 15 mm19 = Tube guideS = Insulating tube

Screw the circlips (16) tight onto the short and longlegs of the articulated link.

Insert the cable (5) and the air supply line (4) intothe insulating tube (S).

Fasten the insulating tube (S) at the top with acable clip to the spiral tube (3).

Insert the insulating tube (S) into the clips (16) ofthe long leg of the articulated link and put the capon. Fasten the spiral tube (S) to the circlips (16) ofthe long leg of the articulated link using cable clips.

Insert the spiral tube (3) into the bottom circlips(16) and make sure that in the bottom doffer beamposition the distances are at least 40 mm and 10mm. Put the caps on the circlips (16) and fastenthe spiral tube (3) with cable clips.

Screw the spiral tube (3) to the T on the base plateof the foot with a hose clamp.

Insert the air supply line at the T. Draw in the cable(8) of the emergency shut-down and connect.

Put the insulating tube (S) and the spiral tube (3)into the tube guide (19) and screw the tube guide(19) onto the protective rail.

4.12 Adjusting the position of the doffer beam along the length of the machine

In Maintenance mode raise the doffer beam toposition B104.

Swing in the doffer beam.

Lower the doffer beam until the tips of the spindlesare level with the holes in the doffer beam.

Remove 2 grippers per doffer beam.

Adjust each doffer beam along the length of themachine so that the holes are opposite the spindletips (1 mm). (Use a mirror.) The grippers canonly be positioned approximately level withthe centres of the spindles, as the grippershave play in the holes.

ROBOdoff

22 G3310e1 07.2001 - en

4.13 Adjusting terminal strips

Key:1 = Movable bearing of doffer beam 1 - 2 Nm2 = Fixed bearing of doffer beam 4 - 5 Nm3 = Pointed stud bolt M6 x104 = Terminal strip plastic5 = Gripper6 = Terminal strip steel46 = Doffer beam47 = Holder

The doffer beam must be correctly positionedalong the length of the machine.

Terminal strips (6) on 1st holder: (headstock) Insert the stud bolts (3) with Loctite 542. Tighten

the stud bolts (3) at (2) to 4 - 5 Nm

Terminal strips (6 or 4) on the other holders:(except the last holder) Insert the stud bolts (3) with Loctite 542. Tighten

the stud bolts (3) at (1) to 1 - 2 Nm

Insert the stud bolts (3) with Loctite 542. Tightenthe stud bolts (3) at (2) to 4 - 5 Nm

Terminal strips (4) on last holder: (tailstock) Insert the stud bolts (3) with Loctite 542. Tighten

the stud bolts (3) at (1) to 1 - 2 Nm

Adjust the length of the cord so that the notch isvisible when the emergency shut-down is activated.

Take great care when tightening the stud bolts(3). Incorrect torque will result in vibrations anddamage to the machine.

ROBOdoff

07.2001 - en G3310e1 23

4.14 Basic setting for doffer beam height

Key:33 = Tube36 = Hose 37 = Pressure spring38 = Proximity switch cover39 = Proximity switch holder40 = Trip ring on tube (33)41 = Guide pin42 = Bearing bush43 = Seeger snap ring44 = Cross member46 = Doffer beam47 = HolderB100 = Doffer beam in neutral positionB101 = Doffer beam in grip spinning tubes

positionB102 = Doffer beam in deposit spinning tubes /

cops position

The jobs described here may only be carried out bytrained and qualified personnel. Errors may causedamage to the machine!+ Instructions G3302, G3303, G3305The spring unit with the proximity switch holder (39)is situated at the swing lever in front of the gearsection on the right-hand side of the machine.

The SERVOdisc traction strip must be in doffingposition (B150).

Turn the key (60) to Maintenance (T22).

Actuate the yellow button (T9) until the LED (L27)for the ROBOdoff lights up.

Using the buttons (T10 or T11) adjust the threadedspindle precisely to the basic setting (15 mm).Caution: Adjust the basic setting in small stepsand make sure that nothing sticks or catches!

Loosen the two screws of the proximity switchholder (39) and push the proximity switch hol-der (39) up from below until the LED on theproximity switch (B101) lights up. Move the pro-ximity switch holder (39) 6 mm higher up andtighten.

Raise the doffer beam (T10) until the proximityswitch (B100) shuts down the motor.

Move the doffer beam down (button T11) until theproximity switch (B101) shuts down the motor.

If the basic setting (G) is not absolutely 15 mmreadjust the proximity switch holder (39) andrepeat the doffer movement with buttons (T10and T11).

With the doffer beam in grip spinning tubes positi-on (B101) the following jobs are carried out: Setting doffer beam height

Safety limit switch doffer beam position overshotat bottom (S124)

ROBOdoff

24 G3310e1 07.2001 - en

4.15 Adjusting the doffer beam height

Key:9 = Doffer beam setting gaugeC = Setting distanceP = Force 40 - 60 NB101 = Doffer beam in grip spinning tubes

position

The jobs described here may only be carried out bytrained and qualified personnel. Errors may causedamage to the machine!+ Instructions G3302, G3303, G3305 Move the doffer beam down from the top (button

T11) until the proximity switch (B101) shuts downthe motor.

The setting distance C should now measureexactly 15 mm.

+ Basic setting doffer beam height. Turn off the main switch and secure it with a

padlock.

Setting distance C for doffer beam height. (Mea-sured from top edge of lifting rod to top edge of dofferbeam)

Spinning tubelength

Spindle pitch70 mmDistance C

Spindle pitch75 mmDistance C

180 mm 287 mm 287 mm

190 mm 297 mm 297 mm

200 mm 307 mm 307 mm

210 mm 317 mm 317 mm

220 mm 327 mm 327 mm

230 mm 337 mm 337 mm

240 mm 347 mm

250 mm 357 mm

ROBOdoff

07.2001 - en G3310e1 25

Key:9 = Doffer beam setting gaugeC = Setting distanceP = Force 40 - 60 NB101 = Doffer beam in grip spinning tubes

position

Setting The doffer beam height must always be set from

above (moving from top to bottom). If the dofferbeam is too low loosen the screws on the clampingpoint stop (2) and adjust the doffer beam to 1 cmabove the setting distance (2 persons). While ad-justing apply a load of 40 - 60 N by hand to theholder (47) to counteract the play in the bearing.

Adjust from the gear section towards the head-stock and from the gear section towards thetailstock

Position the doffer beam setting gauge (9) at theholder (between the grippers).

Loosen the screws of the clamping point stop (2)slightly and move the clamping point stop (2) bytapping with a hammer until the remaining distan-ce is 2 - 1 mm.

Tighten the screws on the clamping point stop(2) to 70 Nm.

+ Now adjust the limit switch for doffer beamposition overshot at bottom (S124).

ROBOdoff

26 G3310e1 07.2001 - en

4.16 Limit switch S124 doffer beam position overshot at bottom

Key:2 = Lifting rod3 = Trip ring4 = Switching surface for proximity switches5 = Setting screw in trip ring. Once (S 124)

is set, never loosen!6 = Proximity switch holder10 = Protective railS124 = Doffer beam position overshot at bottomB107 = Bottom switch-over fast/slow

SettingThe setting of the limit switch (S124) doffer beamposition overshot at bottom (S124) is identical for alllengths of spinning tube.

Turn off the main switch and secure with a pad-lock.

Make sure that the basic setting of the threadedspindle is set exactly to distance G = 15 mm.

Push the limit switch rail towards the headstockand tighten the screws.

Loosen the limit switch S124. Push the limit switchS124 towards the headstock and tighten thescrews.

Slowly push the trip ring (3) from right to left untilthe contact on the limit switch S124 opens (ifnecessary, use multimeter).

Push the trip ring (3) 0.3 mm to the right and tightenthe setting screws (5) well. The setting screws(5) must not be undone again!

4.17 Limit switch S123 doffer beam position overshot at top

Key:A = Coupling lining ring3 = Trip ring4 = Switching surface for proximity switches5 = Setting screw in trip ring8 = Coupling lining9 = Cross member10 = Shock absorber 37x57x1512 = Protective railS123 = Doffer beam position overshot at top

The setting of the limit switch (S123) dofferbeam position overshot at top is identical for alllengths of spinning tube.

Function.The limit switch (S123) doffer beam position over-run at top prevents damage to the machine whenthe proximity switch (B104) Swing doffer beamin/out is overrun (fault).When the doffer beam is being raised the motor stopsat the proximity switch (B104, signal up). On conti-nuing the motor stops when leaving the proximityswitch (B104, signal down). The control system pre-vents it from continuing as far as (S123).Setting: (after S124 has been set) The roller lever is firmly screwed onto the limit

switch (S123) at an angle of 90. In maintenance mode, raise the doffer beam as far

as the proximity switch (B1093) switch over dof-fer beam fast/slow. Disconnect the proximityswitch (B104).

Still in maintenance mode, continue raising thedoffer beam until the coupling lining ring (8) is still1 mm away from the two shock absorbers (10)(touching the gears).

Turn off the main switch and secure with apadlock.

Check whether the contact of the limit switch(S123) doffer beam position overrun at topopens at the latest after 2 mm or is already open.

Turn on the main switch and check the operation ofthe limit switch (S123) in MAINTENANCE mode.

ROBOdoff

07.2001 - en G3310e1 27

Screw the connector of the proximity switch(B104) tight.

4.18 Adjusting the doffer beam swung-in position

Key:1 = Swing lever LH2 = Swing lever RH3 = Transmission lever4 = Holder5 = Eccentric pin6 = Piston rod, doffer beam swung inS120 = Limit switch, doffer beam swung inS121 = Limit switch, doffer beam swung out

In Maintenance mode, move the doffer beaminto swing in / out position (B104).

Swing the doffer beam in.

Lower the doffer beam until the top edge is levelwith the cylinder rail.

Turn off the main switch and secure it with apadlock.

Switch on the electrovalve (Y120) swing in dofferbeam using a screwdriver.

First set the distance from the outside edge of thedoffer beam to the cylinder rail to 162 mm (1 mm)on the right-hand side of the machine with thelength of the piston rod (measure horizontally). Fixby a locknut.

Then on the left-hand side of the machine set thedistance to 162 mm (1 mm) using the eccentricpin (5). Fasten the eccentric pin with the gudgeon.Caution! The eccentric with slotted surfaces al-ways points to the left-hand side of the machine.

Check the setting of the limit switch doffer beamswung in (S120).

Switch off the electrovalve (Y120) swing indoffer beam using a screwdriver.

Turn on the main switch.

In Maintenance mode raise the doffer beam asfar as swing in/out position (B104)

Swing doffer beam out.

On the pneumatic cylinders for the doffer swingmovement, close all throttles and then give oneturn back.

4.19 Adjusting the doffer beam swung-out position

No adjustment is needed.

Check that limit switch S121 is set correctly.

ROBOdoff

28 G3310e1 07.2001 - en

5. Proximity switches

5.1 Proximity switch B100 neutral position

The proximity switch (B100) is set using the neutralposition of the proximity switch holder.

No adjustment is possible.

5.2 Proximity switch B101 doffer beam position: grip spinning tubes / cops

Key:4 = Gripper5 = Doffer beam6 = Holder11 = Spinning tube

The proximity switch (B101) is set using the neu-tral position of the proximity switch holder.

+ Neutral position of the proximity switchholder

The setting distance C (top edge of lifting rod totop edge of doffer beam) is set according to thelength of the spinning tube.

+ Adjusting the doffer beam height The distance from the top edge of the gripper to

the spinning tube is 7 mm.

The SERVOdisc must be in doffing position(B150 active).

+ Move SERVOdisc into doffing position. Put the key-operated switch (60) into Maintenan-

ce position (T22). Actuate the yellow button (T9)until the LED (L27) for the ROBOdoff goes on.

Move the doffer beam down from top to bottomusing button (T11). When it reaches a proximityswitch (eg, B100, B102, B101) the doffer beamstops. Press the button (T11) and hold it downto make the doffer beam move on to the nextproximity switch.

When the proximity switch (B101) doffer beamposition: grip spinning tubes is reached, releasethe button (T11).

Check the setting C.+ Setting doffer beam

If there is a discrepancy to the setting C, turnoff the main switch and secure it! Adjust theproximity switch carrier accordingly.

Raise the doffer beam by pressing the key (T10)and then press T11 to lower it as far as proximityswitch B101.

Check the distance set at C. Proceed as descri-bed above in case of corrections.

If the proximity switch B101 is set correctly thesafety limit switch S124 will not respond.

Check the safety limit switch S124 dofferbeam position overshot at bottom. If the rolleron the limit switch (S124) is lifted 0.2 mm thesafety limit switch must respond. The basicsetting must now be 15 mm.

ROBOdoff

07.2001 - en G3310e1 29

5.3 Proximity switch B102 doffer beam position: deposit spinning tubes / cops

No adjustment in height is possible.The proximity switch (B102) is set together withproximity switch (B101).

5.4 Proximity switch B103 doffer beam position: 1st switch-over fast/slow at top

No adjustment in height is possible.The proximity switch (B103) is set together withproximity switch (B104).

5.5 Proximity switch B104 doffer beam in top position

Measure the setting distance D from the top edgeof the lifting rod to the top edge of the doffer beam.

The setting distance D varies depending on thelength of the spindle tubes.

In Maintenance mode and with the button (T10)held down, move the doffer beam up towardsproximity switch (B104) until the motor cuts out ofits own accord.

Measure the setting distance D and correct theproximity switch holder (6) (B104) if necessary.

Always check the setting distance D after everycorrection.

Spinningtube length

Spindle pitch70 mm

Spindle pitch75 mm

180 mm 993 mm 993 mm

190 mm 1003 mm 1003 mm

200 mm 1003 mm 1003 mm

210 mm 1013 mm 1013 mm

220 mm 1033 mm 1033 mm

230 mm 1033 mm 1033 mm

240 mm 1071 mm

250 mm 1081 mm

ROBOdoff

30 G3310e1 07.2001 - en

5.6 Proximity switch B105 Doffer beam in 2nd switch-over pos. fast / slow

spindle

No adjustment in height is possible.The proximity switch (B103) is set together withproximity switch (B104).

5.7 Proximity switch B106 doffer beam position: load spinning tubes

Key:4 = Gripper5 = Doffer beam6 = Holder11 = Spinning tube

The proximity switch (B106) determines the dofferbeam position for load spinning tubes.

The setting of the proximity switch (B101) dofferbeam position: grip spinning tubes also affectsthe doffer beam position: load spinning tubes(B106).+ First adjust doffer beam position: grip spinning

tubes (B101).

Setting: Adjust the proximity switch (B106) doffer beam

position: load spinning tubes in such a way thatthe spinning tubes are pressed right onto thespindles at the clamps of the doffer beam (5).

In servicing mode and holding down button (54),lower the doffer beam (5) as far as the proximityswitch (B106) until the motor cuts out of its ownaccord.

Always check the setting of the proximity switch(B106) doffer beam position: load spinning tu-bes after every correction.

Owing to the curve of the doffer beam (5) it is possiblethat the spinning tubes are not completely pressedon between the clamps (up to 1 mm).

Spinning tubes (11) subject to applied pressure15 N and loaded with too much pressure causeexcess wear on various parts of the doffer.

ROBOdoff

07.2001 - en G3310e1 31

5.8 Proximity switch B107 Doffer beam in 3rd switch-over pos. fast slow at bottom

Key.2 = Lifting rod3 = Trip ring4 = Switching surface for the proximity switches5 = Setting screws in the trip ring

Never loosen these after assembly!6 = Proximity switch support10 = Protective rail B107 = Bottom switch-over fast/slow

Setting Adjust the proximity switch (B107) switch-over

position fast/slow at bottom in such a way that thedoffer beam moves down 1 - 2 seconds after theswitch-over at minimal speed to the proximityswitch (B100) doffer beam in neutral position.

When setting up for the first time, the proximityswitch (B107) is deliberately set too far to the right.Only after commissioning the ring spinning frameshould the position of the proximity switch (B107)be optimised.

ROBOdoff

32 G3310e1 07.2001 - en

6. Gripper

Key:4 = Gripper5 = Doffer beam6 = Clamp

Dismantling: Push down the otp clamp of the gripper (4) at (1.).

At the same time swing out the gripper (4) at (2.)and remove.

Reassambly: Take the gripper in your hand holding it with the

inscription RIETER (1.) facing up.

If it is necessary in this position, insert one spinningtube (11) into the gripper (4) from above. thedistance from the top edge of the spinning tube tothe top edge of the gripper (4) is 7 mm.

Put the gripper (4) into the bottom groove at (2.)

Align the peg of the gripper (4) at (3.) longitudinallywith the hole in the doffer beam (5).

Push down the top clamp of the gripper (4) at (1.)and press the gripper (4) onto the doffer beam (5)at (4.).

If necessary adjust the position of the spinningtube (11) on the spindle.

Replacing gripper diaphragm:+ Instruction R202

ROBOdoff

07.2001 - en G3310e1 33

7. Replacing the threaded spindle and the lifting rod nut

Always replace the threaded rod (12) and the liftingrod nut (27) together (cold welds).

Before mounting, check:Turn the new lifting rod nut so that it runs the fulllength of the new, greased threaded spindle.

7.1 Dismantling when the doffer beam is below the level of the spindle cradle

Turn off the main switch and secure it with a padlock.

Only carry out these jobs on the faulty side of themachine.

Mark the longitudinal position of the clamps (9) onthe doffer beam (5).

Disconnect the cord at the end of the machine onthe faulty side.

Looking from the head on the faulty side of themachine, push the doffer beam (5) about 5 cmtowards the head as far as the gear section andsecure it with a clamp.

Remove the doffer beam (5) at the gear section(4).

The remaining jobs are described in the next section.

ROBOdoff

34 G3310e1 07.2001 - en

7.2 Dismantling when the doffer beam is above the level of the spindle cradle

Key:1 = Right-hand side of the machine, towards

headstock2 = Right-hand side of the machine, towards

tailstock3 = Cross member with swing motion in front of

gear section5 = Cross member with swing motion to rear of gear

section6 = Clamping point stop7 = Long swing lever8 = Short swing lever9 = Cross member without swing motion11 = Cross support for gear 12 = Cap piece of the bearing13 = Threaded spindle14 = Lifting rod long 15 = Lifting rod 1423 mm long (1473 mm T75)16 = Lifting rod 813 mm long (913 mm T75)17 = Lifting rod 1605 mm long (1685 mm T75)18 = Lifting rod coupling19 = Lifting rod coupling (as 18)20 = Lifting rod coupling long21 = Shock absorber22 = Lifting rod nut23 = Coupling liner ring

The jobs described in the previous section are unne-cessary. Turn off the main switch and secure it with a

padlock.

(Only carry out these jobs on the faulty side of themachine.)

Remove the four covers on the threaded spindle.

Carry out the following jobs by the long lifting rodin front of and behind the gear section (4):

Put a lifting rod coupling (19) (taken from thespare-parts reserve of the machine) betweeneach cross member (9 and 5) and lifting rodcoupling (18).

Push the lifting rod coupling (6) forwards to thecross member (17) and tighten the 4 screws to70 Nm. This prevents the lifting rod from movingtowards the head (1).

For safety, support the doffer beam withwooden laths at least in 8 places.

Remove the cover plate at the chain drive (middleof the machine).

Turn the sprocket wheel of the motor shaft until thechain joint is accessible.If this is not possible: Loosen the clamping point stop (6) in front of the threaded spindle (13) and wedge slightly open using a washer. Loosen the screws of the lifting rod coupling (18) in front of the threaded spindle (13) and the long lifting rod coupling (19) by giving each a turn. Now turn the sprocket wheel until the chain joint is accessible. (The threaded spindle (13) and the lifting rods (15 and 16) rotate as well).

ROBOdoff

07.2001 - en G3310e1 35

Key:1 = Right-hand side of the machine,

towards headstock2 = Right-hand side of the machine, towards

tailstock3 = Cross member with swing motion in front of

gear section5 = Cross member with swing motion to rear of

gear section6 = Clamping point stop7 = Long swing lever8 = Short swing lever9 = Cross member without swing motion11 = Cross support for gear12 = Cap piece of the bearing13 = Threaded spindle14 = Lifting rod long 15 = Lifting rod 1423 mm long (1473 mm T75)16 = Lifting rod 813 mm long (913 mm T75)17 = Lifting rod 1605 mm long (1685 mm T75)18 = Lifting rod coupling19 = Lifting rod coupling (as 18)20 = Lifting rod coupling long21 = Shock absorber22 = Lifting rod nut23 = Coupling liner ring

Dismantle the chain tensioner.

Undo the chain joint and tie a string 1 m long toeach end of the chain.

Remove the long lifting rod coupling (20) behindthe threaded spindle (13).

Unscrew the short lifting rod (16) (813 mm, 913mm T75) and push to the rear.

Remove the two grease nipples on the cap pieceof the bearing (12)

Unscrew the cap piece of the bearing (11A) on thegear cross support (11) (Caution: there may bespacers)

If it is not possible to remove the threaded spindle(12): move the lifting rod nut (27) and cut throughthe threaded spindle (12) with a saw.

Clean all parts and empty the oil tank. Do not useany detergent.

Replace the brush (28) underneath the lifting rodnut (22).

Fit the inner raceways of the needle bearing on thenew lifting rod nut (22).

ROBOdoff

36 G3310e1 07.2001 - en

7.3 Fitting a new threaded spindle

Key:1 = Right-hand side of the machine, towards

headstock2 = Right-hand side of the machine, towards

tailstock3 = Cross member with swing motion in front of

gear section5 = Cross member with swing motion to rear of

gear section6 = Clamping point stop7 = Long swing lever8 = Short swing lever9 = Cross member without swing motion11 = Cross support for gear12 = Cap piece of the bearing13 = Threaded spindle14 = Lifting rod long 15 = Lifting rod 1423 mm long (1473 mm T75)16 = Lifting rod 813 mm long (913 mm T75)17 = Lifting rod 1605 mm long (1685 mm T75)18 = Lifting rod coupling19 = Lifting rod coupling (as 18)20 = Lifting rod coupling long21 = Shock absorber22 = Lifting rod nut23 = Coupling liner ring

Assembly Insert the lifting rod nut (22) together with the

threaded spindle (13) from the rear into the crosssupport for the gear (11). Are the sealing rings andthe sealing lip facing inwards?

Mount the cap piece of the bearing (12) with thespacers and screw tight. The lifting rod nut (22)must not have any axial play.

Tighten the two grease nipples of the cap piece ofthe bearing (12).

Put the chain on and attach the chain joint.

Mount the chain tensioning roller with the coveringdisk underneath the nut. Adjust the chain ten-sioning roller so that the chain is free of play butnot taut. The covering disk must cover the slot.

Fill up the oil tank+ Instruction G3304 Measure the oil level.

ROBOdoff

07.2001 - en G3310e1 37

Screw the cover plate tight at the chain drive(middle of machine) (hexagon head screwM6x12+U).

Ensure that the two shock absorbers (21)(37x57x15) are on the threaded spindle in front ofthe gear cross support (11).

Ensure that the two shock absorbers (21)(40x57x15) are on the lifting rod in front of the gearcross support (11).

Place the coupling lining ring (23) on the front sideof the threaded spindle (13). Insert the threadedspindle (13) in the lifting rod (15) and screw uptight.

Screw together the lifting rod (16) behind the crosssupport for the gear (813 mm, 913 T75) with thethreaded spindle (13) and tighten.

Position the long lifting rod coupling (20) loosely.Turn the threaded spindle (13) until the longitudi-nal position of the snap ring fits.

Insert the lifting rod coupling (18) in front of thethreaded spindle (13).

Adjust the threaded spindle (13) on this side ofthe machine so that the distance between thecross member and the coupling lining ring(8/23) is identical to that on the other side.

Remove the wedge at the clamping point stop (6)behind the cross support for the gear (11) andslightly tighten the screws.

Remove the couplings (19) and wooden lathsinserted for safety reasons.

Adjust the angle on the lifting rod couplings (18and 20) to 11 and tighten the screws to 70 Nm.

Mount the doffer beam. Pay attention to the mar-kings and the torque.

Fit the cord and adjust.

Swing out the doffer beam (Y121).

After the machine is completely assembled, allthe couplings of the lifting rods must be horizon-tal when the doffer beam is swung in.

Turn on the main switch.

In servicing mode, raise the doffer beam andat the same time lubricate the outer greasenipples well (for the threaded rod (12).

Stop the doffer beam at proximity switch (B104).

Swing in the doffer beam.

Perform the following sequence of operations:+ Basic adjustment of bottom threaded spindle

setting

+ Basic adjustment of doffer beam height+ Swing doffer beam in+ Doffer beam in longitudinal direction of the

machine

+ Cord+ Set the limit switches (S120, S121, S123, S124)+ Set the proximity switches (B100 - B107)

ROBOdoff

38 G3310e1 07.2001 - en

7.4 Lubrication of threaded spindle (after replacement)

During the first week: Lubricate all the grease nipples on the lifting rod

nut (27) every day (2 strokes of the grease gun)

After one week: Remove the cover over the threaded spindle (12).

Remove all superfluous grease.

Lubricate all the grease nipples of the lifting rodnut (27).

Check the oil level

Screw the cover on tight.

07.2001/07.2001/05/25/44

ROBOdoff

07.2001 - en G3310e1 39