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CPMS Hydraulic motors
Hydraulic motors of the CPMS type are used in conveyor belts, winches or aggricultural machinery etc. These hydraulic motors are similar in design to the OMS hydraulic motors by Sauer/Danfoss.
For further information please visit our guide.
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CPMS Hydraulic Motor FAQ
What is the CPMS Hydraulic Motor?
The CPMS hydraulic motor is a planetary roller motor with a disc valve in the rear cover. It is designed for high-pressure applications and offers low starting torque with high efficiency.
What are the main features of the CPMS Hydraulic Motor?
- Planetary roller motor with disc valve
- Low starting torque and high efficiency
- Designed for high-pressure applications
- Internal check valve
- Operation without a drain line is possible
- Tapered roller bearings for high radial load
What displacement volumes are available for the CPMS motor?
The CPMS motor is available with various displacement volumes ranging from 80.6 cm³/rev to 475.0 cm³/rev.
- CPMS 80: 80.6 cm³/rev
- CPMS 100: 100.8 cm³/rev
- CPMS 125: 125.0 cm³/rev
- CPMS 160: 154.0 cm³/rev
- CPMS 200: 194.0 cm³/rev
- CPMS 250: 243.0 cm³/rev
- CPMS 315: 311.0 cm³/rev
- CPMS 400: 394.0 cm³/rev
- CPMS 475: 475.0 cm³/rev
What mounting flange options are available for the CPMS motor?
The CPMS motor offers various mounting flange options, including:
- Square flange with 4 holes (SAE A-4)
- Magneto flange with 4 holes
- Square flange with 4 bolts
- Oval flange with 2 holes (SAE A)
- Short version
- Short version with square flange
- Wheel flange
What connection types and threads are available?
The CPMS motor is equipped with side ports as standard, with rear ports available on request. Available thread connections include:
- BSPP
- Metric (M)
- SAE - UNF (S)
- SAE - NPTF (P)
What output shafts are available?
The CPMS motor offers numerous output shaft variants, each with a different maximum torque:
- Ø32 mm straight with key A10x8x45 (Max. torque: 77 daNm)
- Ø31.75 mm (1 1⁄4") straight with key 5⁄16"x5⁄16"x1 1⁄4" (Max. torque: 77 daNm)
- Ø25.32 mm splined (SAE 6B) (Max. torque: 34 daNm)
- Ø31.75 mm (1 1⁄4") splined, 14T, DP 12/24 (Max. torque: 77 daNm)
- Tapered 1:8 SAE J501 with key 5⁄16"x5⁄16"x1 1⁄4" (Max. torque: 77 daNm)
- Ø31.75 mm (1 1⁄4") splined, 14T, ANSI B92.1-1976 (Max. torque: 77 daNm)
- Ø34.85 mm P.T.O. DIN 9611 Form 1 (Max. torque: 77 daNm)
- Tapered 1:10 with key B6x6x20 (Max. torque: 95 daNm)
- Ø25 mm straight with key A8x7x32 (Max. torque: 34 daNm)
How do I determine the allowable radial shaft load for my CPMS motor?
The allowable radial shaft load is calculated based on the distance (L) between the point of load application and the mounting flange surface. The CPMS motor is equipped with integrated tapered roller bearings capable of handling high axial and radial forces. Specific allowable limits for radial load depending on shaft speed and operating conditions can be found in the diagrams in the technical data sheet.
What is the standard rotation direction for the CPMS motor?
The standard rotation direction from the shaft view is:
- Clockwise when port A is pressurized
- Counterclockwise when port B is pressurized