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Okamoto
OGM 3-Step MDI Series ...the efficient way to grind
multi-diameter workwithout CNC!
The OGM MDI Series grinds J, 2 or 3different diameters in all cycles, in anyorder - all in a single set-up.Choose from 4 versatile grinding cycles.• Plunge for rapid stock removal• Shih-Plunge / Traverse for fast stockremoval and fine finish
• Traverse with in feed at right end,'eft end or both ends for fine finish• Manual Traverse that eliminates theneed for program input - saves time ideal for single workpiece requirements
The OGM MDI Control Series
Cylindrical Grinders embodies the
unique blend of performance
features and simplicity of operation
that today's fine finisher demands.
They are available in Plain and
Universal models. Superior quality
starts from the ground up with rigid
construction that utilizes heavily
ribbed Meehanite cast beds with
double Vee ways. All components
servo motors, ball screws, control
components are of the highest grade.
It's our way of assuring that your
OGM Series grinder delivers many
years of peak performance and
accuracy. OGMMDI Series grinders
deliver precision, flexibility and
operator convenience at
an astonishingly affordable
price. They are the real
value in OD Grinders.
The OGM' s Servo DrivenWlleelllead is designed towithstand the rigors of high volumeproduction work, yet deliverconsistent fine finish capability to"tenths". Its built-in rapid advance/retract simplifies set-up - a realconvenience feature. Thewheelhead
incorporates a cartridge type wheelspindle (Iubed for life) that providesthe utmost in reliability and easeof maintenance. Wheelheads onUniversal models feature :t30°swivel.
Plunge
lJ
Shift-Plunge / Traverse
~tI .1.1.a L_U_J L_U_J LJlllJ
Qc=c[}O
Traverse
OGM MD' Mode'sfeature a 2-point tablemounted wheel dresserfor precise, efficientdressing.
Okamoto also designed performanceinto the OGM rs Workhead.80th Plain and Universal modelsfeature a variable speed workheadwith live-dead center standard onallmodels. Thisallows for chuckworkapplication. Variable workheadswivel from 90° CCW (counterclockwise) to 30° CW (clockwise) isideal for grinding angles orcompound angles. It is standard onall OGMUniversalmodels.
'=--~...
~ .
. ]'. ...
•••
OGM U8 & fl8 MD' Series Cylindrical Grinderswith multi-diameter grinding capability
GRIND-XOKAMOfO '",ClSJON S'/STM
Okamoto
3
2. High eHiciency CoolantSystems are standard on all OGMSeries Grinders. Magnetic SwarfSeparators are available as options.
I. Optional ID GrindingAHacltment expands grindingcapability. Ideal for toolroom work.Available on OGM Universal models.Manual infeed on MOl models.
OGM Series MDI & CNC Control
Cylindrical Grinders incorporate
numerous standard features
that optimize performance and
3. Automatic LubricationSystem assures reliable lubricationto all critical components - waysystems, ball screws, gearing.Standard.
4.fable Swivel DialIndicator assures precise table
swivel seHings - a valuable optionfor taper grinding applications. 3.
Optional.
Features
productivity. Special options are
also available to meet specific
customer applications.
5. The self-storing RetractableFront Splasltguarcl is just oneof the many operator conveniencesfound on OGM MOl Series Grinders.Standard on MOl models.
6. A Marposs FlaggingSystem simplifies set-up
and assures accurate shoulderpositioning. Standard on all OGM
CNCmodels.Contact your Okamoto representative for a complete list of optional equipment including autoloading systems.
4
ProgrammableGrinding
The OGM MDI Series utilizes a "user-friendly" Fanuc Powermate-G electronic MDI control
with a powerful teach function. Data input is so simple that even operators unfamiliar with
cylindrical grinding can quickly and easily learn to operate the machine and efficiently and
precisely grind up to 3 diameters in a single workpiece set-up. A built-in Manual Pulse Generator
is a real operator convenience in set-up and when grinding in the manual mode. Another
unique feature is a Dress Interrupt Function that enables the operator to dress the grinding
wheel, on demand, at any point during the grinding cycle. The OGM will automatically stop
its infeed, dress, and return to the exact point where the interruption occurred and resume
grinding. In addition, a Cycle Skip Function allows the operator to skip the dress and roughing
cycles and proceed directly to finish grind plus size compensation.
Grinding Data Page Used toinput grinding data such as Numberof Different Steps, Table Speed, AirCuts, Clear OD (workpiece), SparkOut, Gauging Information. Thispagealso allows the operator to inputoffsets for size compensation.
(P2 O. D. DATA) NO.WRK DA TUM S I l ETTL STK RMVL
TTL FINE FEED AMTREVERSE POS/TB. STARTREVERSE POS/TB. ENDR-NO. OF DRS INTERVALR DRS(OFF-0 ON-I)FIN DRS(OFF-0 ON-I)R-INFEED SPDF-INFEED SPDINFEED POS R0 II 82
WRK.
5.000000. 00500
0. 000101.209111.20911
ooo
0. 01400~ 01000
o
(P2 STD. SETTING)GRD (STEP-0 PASS-I)SHIFT-P (OFF-0 ON-I)SHIFT-AMTTRIAL DISTANCERETRACT AMTDIAMOND DISTANCE-XDIAMOND DISTANCE-Z** DATUM DIST X **WORK O. D.DATUM DIST X** GAUGE SET .*ADD AMT
Io
0.260000.200001. 500000.000000.00000
6.9000010. 97784
0.00000
(P4 DATA LIST DRS DATA)WHL WIDTHDRS INTERVAL CNTDRS INTERVAL SERVER-DRS INFEED AMTF-DRS INFEED AMTR-DRS SPDF-DRS SPDR-NO. OF DRSF-NO. OF DRSF-NO. OF DEAD PASSDRS POS/XDRS POS/Z
I. 50000oo
0. 000080. 0000414. 0000010. 00000
33o
-10.17047-25. 05234
EDIT *.** *** ***( ) ( )(
08:44:56)( r )( DONE )
EDIT ***. *** .**( )( )(
08:45:45)( r )( DONE
JOG **** *** **.( )( )(
08:44: 13)( r )( DONE
OD Data Page Used toinput grinding data such as TableReversal Positions, Fine InfeedAmounts, Rough & Fine InfeedSpeeds and Positions, Number ofDress Intervals.
Standard Settings Da'aPage Used to input WheelheadRetract Amount, Shift-PlungeData, Diamond Distance, GaugingInformation.
5
Dressing Data Page Used toinput Wheel Width, Dress Data (Interval, Infeed , Speed, Number,Position).
OGM HC Series Cylindrical Grinders
Shown with options
Powerful Control CapabilityThe OGM NC Series rounds out
the Okamoto Cylindrical Grinder
line-up. They are designed,
engineered and built with the same
dedication to quality, performance
and value as the OGM MDI line.
These two axis simultaneous
controlled grinders utilize a
powerful, easy-to-use Fanuc 2liT~
control. The combination of
proven machine design, superb
control capability and Okamoto
grinding machine expertise makes
for a grinder that delivers long term
optimum accuracy, productivity
and true operator
convenience.
Powerful state-of-the-artFanuc 2 J iT CNC
Quick, easy set-up. designedfor optimum operatorconvenience
No prior CNC experiencenecessary - Short learningcurve
Fanuc reliabilityConversational or G and Mcode programming standardRS232C Port
6
Data Entry
DATUM DIST X SET
~~
0.10:;;I we POS x -to. 642"8
Z -22. 06281ASS POS X 11.961"12
- ----- Z -13. 62280
SET DATUM DIST X BY PUSH (EXEC]S 0 T0000
EDIT **** •••••• 09:6'1:84( EXEC )( )( )( )( DONE )
Distance X Set Automaticallysets Work Reference Point (X-Axis).
Locator Initial Set Minimizesset-up times.
DATUM DlST Z SET
~0.:6 ~
we POS x -Ie. 64200z -22. 06261
____ ADS POS XII. 95172Z -13.62280
SET DATUM DIST Z BY PUSH (EXEC)S " Te"e0
EDIT *.* ••••••• 10:0.:07( EXEC )( )( )( )( DONE )
Distance Z Set Automaticallylocates Work Datum (Z-Axis). Correctsfor workpiece variations.
GRD OAT SET NO. I
EDIT LISTGRD METHOD SP + TRSTOCK REMOVAL : R-OR + M-GR + F-GRORS CYCLEAPPROACH POSGRD COND (1/2)GRD CONO (2/2)EDIT NEXT GRO N~
SELECT DATA BY CURSOR. THEN PUSH WISP)'S 0 T0000
EDIT **** ••• *.* 10:30:02( )( )( DISP )( )( DONE )
Grinding Data Set SimplifiesGrinding Data Input.
SELECT DATA ll'i CURSO~ THEN PUSH lDlSP1.S 0 Teeee
EDIT ***. *** *** 89:37:42( PRV.)( )( DISP )( )(
MENU LIST (WRK NO.: 6
1-1 GRO UNIT SET- -2 WC CaMPS SET2-1 TOOL DATA SET
-2 WORK NO. SET-3 DATUM DIST Z SET-4 LOCATER [NIT SET-5 TOTAL STEP SET-6 ORS DATA SET
3-1 MNU GRD-2 AUTO GRD-3 ADD GRD
4-1 DIST OFFSET6-1 PARMETER SET
Dress Position SetDress Infeed - Rough, Medium, Fine.Dress Speed - Rough, Medium, Fine.Dress Frequency.
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MenuProvides System Parameters.Machine Set-Up.Grinding Data.Dressing Data.Machine Data.
I Grinding Dressingi Cycles Patterns
I I
"oor Plans
"- ,,,\\\\\\----,
D
c
E
OGM-8'20OGM-12'24OGM-12'40OGM-12'60
A
71.0"91.0"122.0"269.0"
B
110.0"143.0"189.0"259.0"
C
66.0"67.0"67.0"67.0"
D
32.0"32.0"32.0"32.0"
E
69.0"76.0"76.0"76.0"
Dimensions
Top View
Front View
Taper
MultistageStraigHt
NC FormatwuPlunge Oscillation
U~.c Plun;.
L~~~·W.c Straigh,
rraverLJ W.c ; - I-< left End• Face & R
.II( __ •••.----
Shift-Plunge + Traverse
UQManual Traverse
Plunge + FineGrinding Oscillation
OGM CNC Grindersfeature a table-mounted
3-point dresser. The dressing arm is mounted to thelower portion of the table.This allows taper adjustments without changingdressing.
8
ISpecificationsModels OGM-Se20 PB, UB, PNCB, UNCB & OGM-12e24 / 40 / 60 PB, UB, PNCB, UNCB
OptionalEquipment• Drive Dog Set
• Grinding WheelAdaptor
• Grinding WheelBalancing Stand
• Balancing Test Arbor
• Optional Spindles
• Magnetic Separator.Workrest
• Steadyrests
• I.D. GrindingAttachment forUniversal Models
• Gauging System• Chucks• Dial Indicator for
Table Swivel
• Signal Light
• Work Light
StandardAccessories• Grinding Wheel with
Adaptor
• Wheelguard• Central Lubrication
System
• Dressing Device withDiamonCf
• Coolant System• Coolant Hoses and
Nozzles
• Manual PulseGenerator
• Splashguards
• Leveling Pads & Bolts
• Operation Manual• Tools & Tool Box
14" x 1.5" x 5"
1,770/2,000 rpm
12 UB & UNCB
400 ipm
MT NO.4
1.2"
1.2 hp, AC Servo
~1.0 hp, AC Servo
16/20/20KVA (,:,)
12,6"
20" 136" 1 58" r,:,
12,0"
330 Ib-.:.(Center Work)
7,700/9,250/11,000Ibs (,:,)
143"/ 189" 1 259" x 76"x67" (132
1.2 hp, AC Servo
[
13 KVA
6,2001bs
MT No, 3
0.8"
110" x 69" x 66"
1.0 hp, AC Servo
5 hp
0.5 hp, AC Servo
8,6"
19,68"
8,0"
132 Ibs (Center Work)
14"x1.5"x5" I 12"x1"x5" 16"x2"x5"
8·20 PB & PNCB 8·20UB & UNCB 12 PB & PNCB
1,880/2,240 rpm I 2,000/2,240 rpm I 1,570/1,845 rpm
Non-Swivel I ± 30 deg. I Non-Swivel I ± 30 deg,
0.00001" - 0,002" (19 settings) 1 0.00001" - 0.004" (PNCB & UNCB Models)
0,00001" (PNCB & UNCB Models Only)
a - 160 ipm (0 - 400 ipm for PNCB & UNCB) I 0 - 160 ipm (0 - 400 ipm for PNCB & UNCB)
0.00001 ", 0.0001 ", 0.001"
1.5"
160 ipm (400 ipm for PNCB & UNC:N:L0-200%
30" 34" 1 50" 1 73,5" ':'
0--9 0 to -1010 to - 8.5 1 0 to - 5 deg (,:,)
o - 400 i m for PNCB & UNCB 0 - 400 i m
0.00001" (PNCB & UNCB Models Only)
0.00001 ", 0.0001 ", 0,001"
160 ipm (400 ipm for PNCB & UNCB) 400 ipm
0- 200% (Max, 160 ipm, 400 ipm for PNCB & UNCB) 0 - 200% (Max. 400 ipm)
0-10 Seconds (Plunge Grind); 0 -10 Cycles oITable (Traverse Grind)
Infinitely Variable on PNCB & UNCB Models
TABLE
Maximum Table Travel:
Swivel Angle:
Traverse Speed: 0 - 160 iam
Minimum ProQrammable Increment:
Manual Pulse Feed (x.1, x1, x10):
Rapid Feedrate:
Feedrate Override:
Spark-Out:
~WORKHEADCenter:
Swivel Angle:
Spindle Speed:
TAILSTOCK
Center:
Spindle Stroke
MOTORS
Grinding Wheel Spindle:
Workhead Spindle:
Wheelhead Feed & Rapid Feed:
Table Feed & Rapid Feed:
• CAPACITY
Swing Over Table:
Distance Between Centers:
Maximum Diameter to be Ground:
Maximum Weight Between Centers:
GRINDING WHEEL
Size (D x W x B):
Grinding Wheel Speed (60 hz):
WHEELHEAD
Total Stroke (X-Axis):
Swivel Angle:Automatic Infeed:
Minimum Increment:
Continuous Feedrate:
Manual Pulse Feed (x,1, x1, x1 0):
Wheelhead Rapid Retract:
Rapid Feedrate:
Grind Feed Override:
Desired Power Supply Including
Lubrication & Coolant System:
FLOOR SPACE
Width x Depth x Height:
WEIGHT
Net Weight
(':') Specification matches carrespnding center distance. Specifications Subject to Change Without Notice,
9
High-PerformanceAngle Head Grinderl
Contact Okamoto for complete details and specifications.
Okamoto Corporation1342 Barclay Boulevard
Buffalo Grove, Illinois 60089TEL: (847) 520-7700FAX: (847) 520-7980
www.okamotocorp.com
DkamotoEmerging Abrasives Technology
PRINTED IN USA 04/07