The Polyclutch Slip-Ease is a mechanical slip clutch with an axial loaded multi-plate design. For applications where space is at a premium and low backlash is required. Torque capacities of up to 500 lb-in.
Can accommodate shaft sizes up to 1.25″ (see dimension B – Max. in Specifications)
Available in fixed torque (EFS, EFO models) or adjustable torque (EAS, EAO models) configuration.
For a smaller option for miniature applications, see the Size 12 (footprint of only 3/4″ in diameter)
*Capacity and Watts at 50 RPM. Torque units in lb-in. Torque capacities are only guidelines. Higher torques and speeds are possible depending on operating conditions. Consult engineering for details.
**Bore diameters (B) other than standards shown are available up to the maximum diameter. Tolerance +.002 / -.000 inches
***EAS & EAO 52- Maximum capacity is 1000 lb-in. Heat generation should not exceed maximum Watts capacity. Watts = Torque x RPM x Duty Cycle x 0.011
Slip-Ease Clutch, Fixed Torque (EFS & EFO)
EFO models = Shaft-through Installation
EFS models = Shaft-to-Shaft Installation
Model No.
Torque (lb-in)*
Watts*
B (std)**
B (max)
A
C
D
E
EFS 12 & EFO 12
8.5
4.5
0.1875
0.250
0.750
1.00
0.562
0.188
EFS 16 & EFO 16
16
9
0.250
0.375
1.000
1.19
0.750
0.25
EFS 24 & EFO 24
25
15
0.375
0.500
1.375
2.00
1.000
0.38
EFS 32 & EFO 32
50
30
0.500
0.625
1.625
1.87
1.375
0.50
EFS 44 & EFO 44
75
43
0.500
0.625
2.250
1.87
1.625
0.50
*Capacity and Watts at 50 RPM. Torque units in lb-in. Torque capacities are only guidelines. Higher torques and speeds are possible depending on operating conditions. Consult engineering for details.
**Bore diameters (B) other than standards shown are available up to the maximum diameter. Tolerance +.002 / -.000 inches
Design Specs - Metric
Slip-Ease Clutch, Adjustable Torque (EAS & EAO)
EAO models = Shaft-through Installation
EAS models = Shaft-to-Shaft Installation
Model No.
Torque (Nm)*
Watts*
B (std)**
B (max)**
A
C
D
E
EAS 12 & EAO 12
0.96
4.5
5
6
19.05
31.75
14.28
4.78
EAS 16 & EAO 16
1.81
9
8
9***
25.40
38.1
19.05
6.35
EAS 24 & EAO 24
2.82
15
10
13
34.90
63.5
25.40
9.65
EAS 32 & EAO 32
5.65
30
12
16
41.28
62.0
34.93
12.70
EAS 44 & EAO 44
8.47
43
12
16
57.15
62.0
41.28
12.70
EAS 52 & EAO 52****
16.95
85
20
32
82.55
101.6
50.80
12.70
*Capacity and Watts at 50 RPM. Torque units in Nm. Torque capacities are only guidelines. Higher torques and speeds are possible depending on operating conditions. Consult engineering for details.
**Bore diameters (B) other than standards shown are available up to the maximum diameter. Tolerance +.05 / -.00 mm
***For Size 16: Maximum cartridge bore diameter is 9mm, however housing bore can be up to 10mm.
****EAS & EAO 52- Maximum capacity is 120 Nm. Heat generation should not exceed maximum Watts capacity. Watts = Torque x RPM x Duty Cycle x 0.011
Slip-Ease Clutch, Fixed Torque (EFS & EFO)
EFO models = Shaft-through Installation
EFS models = Shaft-to-Shaft Installation
Model No.
Torque (Nm)*
Watts*
B (std)**
B (max)**
A
C
D
E
EFS 12 & EFO 12
0.96
4.5
5
6
19.05
25.4
14.28
4.78
EFS 16 & EFO 16
1.81
9
8
9***
25.40
30.2
19.05
6.35
EFS 24 & EFO 24
2.82
15
10
13
34.90
50.8
25.40
9.65
EFS 32 & EFO 32
5.65
30
12
16
41.28
47.5
34.93
12.70
EFS 44 & EFO 44
8.47
43
12
16
57.15
47.5
41.28
12.70
*Capacity and Watts at 50 RPM. Torque units in Nm. Torque capacities are only guidelines. Higher torques and speeds are possible depending on operating conditions. Consult engineering for details.
**Bore diameters (B) other than standards shown are available up to the maximum diameter. Tolerance +.05 / -.00 mm
***For Size 16: Maximum cartridge bore diameter is 9mm, however housing bore can be up to 10mm.
How To Specify
Specifying a Polyclutch Part Number
Slip-Ease clutches will start with the letter ‘E’
1- Type of Clutch (E=Slip-Ease)
2- Torque: A = adjustable, F = factory preset (fixed)
3- Installation Type (‘S’ or ‘O’)
4- Outer diameter
5- Cartridge bore size
6- Housing bore size
Slip-Ease Part # Example
If you are looking for something outside of our standard selection, just ask!
Bore size changes – English (inches) and metric (mm)
High torque option, accomplished by extra springs – “H” part no. suffix. Will increase capacity of standard adjustable slip clutches to 50% (note: removing springs will lower capacity, increase sensitivity)
Keyways – English and metric – “K” part no. suffix
*Heavy inner plates for extra cooling – “D” part no. suffix
*Note: Plate modification is subject to the space limitations (dimension C) of standard clutches. Further customization (model dependent) may be needed to accommodate thicker plates.
303/304 stainless steel construction – “Q” part no. prefix
CAD Files
3D Models (.STP)
The files are the standard bore diameter for each size. Please contact us if you require a model in a different bore diameter.
