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» Hydraulic Motor » STFC(HD)400 Series Hydraulic Motor

STFC(HD)400 Series Hydraulic Motor

Displacement:5510~6807 ml/r

Rated Pressure:23 MPa

Rated Torque:18135~22404 N.m

Rated Power: 175 kW

Max. Speed:   120 r/min

  • Description
  • Features & Characteristics
  • Installation Dimensions

Description

The hydraulic motor is an executive component of the hydraulic system, which converts the liquid pressure energy provided by the hydraulic pump into the mechanical energy (torque and speed) of its output shaft.

STFC series hydraulic motor is made by continuous testing and improvement on the basis of absorbing the advantages of static pressure balance of crankshaft connecting rod hydraulic motor at home and abroad. STFC series hydraulic motor has high shell strength and large bearing capacity of internal dynamic components. Due to the use of hydrostatic balance, the internal friction is reduced, so the heat generation and related negative effects are reduced.

STFC(HD)325 series hydraulic motors can be widely used in the hydraulic transmission system of plastic machinery, ship deck machinery, mining construction machinery, lifting and transportation equipment, heavy metallurgical machinery, oil and coal mining machinery, machine tools, light industrial equipment, drilling rigs and other machinery, especially in the screw drive of the injection moulding machine, lifting winch, drum drive, all kinds of rotary machinery drive and other transmission machinery.

Main Technical Parameters

TYPE  Theory Displacement Pressure Torque Max.
Speed
Rated Power Weight
 Rated Pressure  Max.
Pressure
Rated Torque Unit Torque
ml/r MPa MPa N.m N. m/MPa r/min kW Kg
STFC400-5500 5510 23 29 18135 788 120 175 495
STFC400-6000 5996 23 29 19735 858 120 175
STFC400-6500 6433 23 29 21337 928 120 175
STFC400-6800 6807 23 29 22404 974 120 175

Features

Displacement:5510~6807 ml/r

Rated Pressure:23 MPa

Rated Torque:18135~22404 N.m

Rated Power: 175 kW

Max. Speed:   120 r/min

Brand Name:  STF

Keywords:STFC(HD)400 Series Hydraulic Motor, STFC Series Hydraulic Motor, Hydraulic Motor

 

STFC(HD)400 series hydraulic motor Main Characteristics:

  • The shaft distributor with static pressure balance technology prevents the tilt of the distributor, has good sealing performance and less leakage, and can work continuously under high pressure (the highest pressure can reach 29MPa).
  • The sealing ring adopts special material and structure, which reduces the leakage and improves the volume efficiency.
  • The main transmission parts of the motor adopt special materials and advanced heat treatment technology, which improves the overall service life.
  • Because the plunger, connecting rod and eccentric sleeve are designed as static pressure balance, the friction force between the connecting rod and the eccentric sleeve and the lateral force of the plunger body are reduced, and the contact specific pressure of the ball hinge pair is reduced, which all reduce the friction loss in the transmission process.
  • Therefore, STFC series hydraulic motors have the characteristics of high mechanical efficiency and high starting torque (the mechanical efficiency is more than 0.90).
  • The shape and installation size of this series motor are basically the same as the original Staffa, and the performance parameters are similar to the original Staffa, so it is an ideal choice to replace the imported Staffa motor.

Installation Dimensions

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