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Hydraulic motors CPMM
Gerotor motors of the CPMM type are the smallest model range of our gerotor motors. These gerotor motors are similar in design to the OMM hydraulic motors by Sauer/Danfoss.
For further information please visit our guide.
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What is a CPMM hydraulic motor?
The CPMM is a hydraulic motor of the spool valve type with a gerotor set. This design makes it ideal for use in applications where space is limited. It features an internal check valve and can be used without a drain line.
What are the available mounting and connection options for the CPMM?
The CPMM hydraulic motor is available with various mounting and connection options to meet the requirements of different applications.
Mounting options:
- Round flange (3 bolts): For standard flange mounting.
- Oval flange (2 holes): For applications requiring an oval flange.
Connection options:
- Rear ports: Connections are located at the rear of the motor.
- Side ports: Connections are located on the side of the motor.
How do I determine the correct CPMM motor size for my application?
The appropriate CPMM motor size is determined by the required displacement, speed, torque, and pressure drop. You can find the specific values for each CPMM model in the "Technical Data" table and select the model that matches your requirements.
Can the CPMM hydraulic motor operate intermittently?
Yes, the CPMM motor can operate intermittently. The "Technical Data" table provides the maximum speed and torque values for both continuous and intermittent operation. Intermittent operation is defined as 6 seconds of operation per minute.
What is the maximum peak load the CPMM motor can handle?
The maximum peak load is the highest load the motor can handle for a very short duration (0.6 seconds per minute). The "Technical Data" table lists the peak torque and pressure drop values for each CPMM model.
What types of output shafts are available for the CPMM motor?
The CPMM motor offers various output shaft options:
- Ø16 mm straight with keyway 5x5x16: Standard straight shaft with keyway for secure component mounting.
- Ø15.8 mm (5/8") straight with keyway 3/16"x3/16"x3/4": Straight shaft with imperial dimensions and keyway.
- Ø16.5 mm splined B17 x 14: Splined shaft for high-torque applications.
How do I determine the permissible radial shaft load for the CPMM motor?
The permissible radial shaft load depends on the distance (L) between the point of load application and the mounting surface. Refer to the "Radial Shaft Load" diagram in the technical datasheet. It shows the permissible load at various speeds when L=20 mm. You can calculate the permissible load for other L values using the provided formula.
What is the maximum back pressure for the CPMM motor?
The maximum back pressure without a drain line depends on the motor's speed. The datasheet contains a table specifying the maximum back pressure for different speed ranges. It is important to adhere to these limits to avoid damage to the motor.