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-2451 -2461-2451 -2461
Shaft Collars Wedge TypeMechanism and Clamping Force Data / Wedge Type Lineup and Advantages
QDefinition of Max. Thrust LoadThe shaft collar is tightened to torque value shown in the chart below, then compressive load is applied with the tester. The compressive load where the shaft begins to move is defined as the Max. Thrust Load.
QTesting Conditions1. Shaft: MISUMI Hardened Shaft (SFJ) P.1012. Testing Instrument: Universal Tester3. Tightening Torque: Select Tightening Torque from the tables on the left depending on the conditions of use.4. Condition of Antirust Oil: Wiped with a cloth as arrived.
Compression
Testing Instrument
Shaft CollarShaft
QTesting Method
ScrewCollar
WedgeWedge Screw
Collar
Shaft
QTightening Torque of Wedge Type Shaft Collars
Shaft Collars Split
2-Hole / 2-Tapped (Coarse)
25 6.3
B/21
D±
0.1
±0.1
2-R
B2xR
D+
0.0
1+
0.0
5
6.3
6.3
6.3
2-C*
2-C*
WY
XX
2-d2-M
P1
WY
XX
2-d2-M
2-M1
P2
WY
XX
2-d2-M
2-N
25 6.3
B/2
1D
±0.
1
±0.1
2-R
B2xR
D+
0.0
1+
0.0
5
6.3
6.3
6.3
2-C*
2-C*
WY
XX
2-d2-M
P1
WY
XX
2-d2-M
2-M1
P2
WY
XX
2-d2-M
2-N
25 6.3
B/2
1D
±0.
1
±0.1
2-R
B2xR
D+
0.0
1+
0.0
5
6.3
6.3
6.3
2-C*
2-C*
WY
XX
2-d2-M
P1
WY
XX
2-d2-M
2-M1
P2
WY
XX
2-d2-M
2-N
*D6~D25 : C0.5D30~D50: C1
2-Hole 2-Tapped (Coarse)
SCSP SCSPT
SSTN (P.1867)
Part Number - B
SCSPK10 - 10
Q2-Hole Q2-Tapped (Coarse) Type
QFeature: Post assembly collar installation makes maintenance easier compared to Set Screw Type (P.241) and Clamp Type (P.243).
QWedge Type Lineup• 24 types are offered including 6 shapes, 2 kinds of levers and 3 materials in combination.
QAdvantages of 2-Hole / 2-Tapped / 3-Hole / 3-Tapped Type• Unlike Clamp Type, assembly procedure is not limited.
QAdvantages of Compact, Clamp Lever Type• Smaller by up to 30% in O.D. and 22% in width than Standard Clamp Lever Clamp Type.
Wedge Type
2-Hole / 2-Tapped 3-Hole / 3-Tapped Cut Surface Mounting Holes Side Mounting HolesWedge Type with Clamp Lever
Wedge Type Clamp Type
Tighten Screw1 first and then, tighten Screw2 finally. If Screw2 is tightened first, it may become much harder to clamp the shaft securely.
Screw1
Screw1
Screw2
Screw2
There is no problem, whether Screw1 or Screw2 is tightened first.
Comparison against Side With Slit
I.D. (D)O.D. (D1 Dim.) Width (B Dim.)
Width Comparison O.D. Comparison Wedge Wedge Standard, Clamp Standard, Clamp
Example
Con�gure Online
Con�gure Online
QWedge Mechanism Feature· The screws pull a wedge and the shaft is clamped; this structure requires less force for tightening.
· Good work efficiency; suitable for use in frequent positioning adjustments like width guide applications. The wedge for "Clamp Lever Type" (P.248) is made of brass and does not damage shafts.
NominalTightening Torque (N·m)
1045 Carbon Steel / 304 Stainless Steel 2017 Aluminum AlloyM2.6 0.94 -M3 1.61 1.61M4 3.71 3.71M5 7.54 7.54M6 12.87 7.54M8 31.2 12.87M10 61.75 12.87M16 267 -
QWedge Type
Dimension Max. Thrust Load (kN) Weight (g)
D (I.D.)
B (Width)
MSCWM
(1045 Carbon Steel) (Black Oxide Coating)
SSCWM(304 Stainless
Steel)
SCWM(1045 Carbon Steel)
10 10 4 1.6 1.2 2912 10 4 2.2 1.4 3515 10 4 1.8 1.5 3716 12 5 3.0 2.3 5720 12 5 3.5 3.0 6925 12 5 3.5 3.2 8830 12 5 3.2 3.2 9435 15 6 - 3.1 15440 15 8 - 3.1 24350 15 8 - 3.1 299
TypeMMaterial SSurface
Treatment AAccessories2-Hole 2-Tapped
SCSPK SCSPT1045 Carbon Steel
Black Oxide Coating Hex Socket Head Cap Screw 2 pcs.
PSCSPK PSCSPT Electroless Nickel Plating Hex Socket Head Cap Screw 2 pcs.(Stainless Steel)SSCSPK SSCSPT 304 Stainless Steel -
EThe halves must remain in the same orientation as shipped when in use.
Part NumberB D1
M
(Coarse)d R W X Y
2-Hole 2-Tapped Unit PriceN
Through Hole P2M1
(Coarse) P1SCSPTSCSPK
PSCSPTPSCSPK
SSCSPTSSCSPKType D
(2-Hole)SCSPKPSCSPKSSCSPK(2-Tapped)SCSPTPSCSPTSSCSPT
68
20M3 3.4 3
1 6 4 3.5 13
- -
10 M4 4.5 3.75
88 25 M3 3.4 3
1.5
8
5
4.516.5 -
15
30
M6 6.6 6
9
19 -
10
8 M3 3.4 3
5.5
20
M4
20
10 M4 4.5 3.75
12 M5 5.5 4.5
10
15 35 M6 6.6 6 6 22.5 -
12
8
30
M3 3.4 3
5 2122
10 M4 4.5 3.75
12 M5 5.5 4.5
15 35 M6 6.6 6 11 6 23.5
13
10 30 M4 4.5 3.75 105
21.5
24
-
12 34 M5 5.5 4.511
23.5
15 35 M6 6.6 6
6
24 - -
15
10 34 M4 4.5 3.75 11.5 24.5
25
12 35 M5 5.5 4.5 12 25
15 40 M6 6.6 6 13 8 27.5
16
1035 M5 5.5 4.5 12 6 25.5
28
12
15
40
M6 6.6 6 13 8 28
18
10M5 5.5 4.5 14 7 29
M5
30
12 -
15 45 M6 6.6 6 15 8 31.5 -
20
1040 M5 5.5 4.5 14 7 30
12
1545
M6 6.6 6 15 8 32.5
25
12 M5 5.5 4.5 17 7
6.6
35
35
15 50
M6 6.6 6
18
10
37.5
2055 20
40
3015 42.5
M642
2060
M8 9 723
45
35 15 M6 6.6 62
12 47.5 47
40 18 70 M8 9 7 26 13 9 55M8
56
50 22 85 M10 11 9 3 32 16 11 67.5 66
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