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High-Torque Radial Piston Motor for Injection Molding Machines

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ZM Series radial piston hydraulic motor are such kinds of low speed high torque motors with crankshaft and connecting rod. It has been widely applied in all kinds of hydraulic transmission system such as plastic injection machine, ship and deck machinery, construction machinery and equipment, hoist and transport vehicle, heavy metallurgical machinery, petroleum and mine machine, light industry equipment, lath, light industry equipment and drilling machine etc.
Price: $ 1000
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Overview


The Single Displacement High Torque Low Speed Radial Piston Hydraulic Motor is a heavy-duty solution designed to deliver consistent torque in low-speed, high-torque applications, ideal for injection molding machines and industrial drives. Engineered with a radial piston configuration, this motor ensures smooth operation and high efficiency in demanding hydraulic systems.


Features


High Torque Performance:

Output torque up to 5000 N·m at 150 bar, with speed range 0-300 RPM, making it suitable for direct drive of large injection molding screws and industrial rollers.

Radial piston design (6 pistons) for uniform torque distribution, reducing vibration (≤2.5 mm/s) compared to axial piston motors.

Efficiency & Durability:

Mechanical efficiency ≥92% (ISO 4409), minimizing energy loss, and thermal efficiency ≤1.5% heat generation at full load.

Case-hardened steel housing (HRC 50-55) and bronze bushings, resisting wear in abrasive environments (e.g., plastic pellet dust).

Precision Control:

Zero-cavitation design (suction pressure ≥0.5 bar) for smooth start-up, with optional speed sensor (±1% accuracy) for feedback control systems.

Bidirectional rotation capability, supporting both clockwise and counterclockwise operations without performance loss.

Installation Flexibility:

SAE B spline shaft (ISO 6149-1) and flange mounts (ISO 9409-1), compatible with standard gear reducers and couplings.

IP67-rated seals (NBR/FKM options), protecting against water ingress (1m depth, 30 minutes) in wet environments.


Application


Ideal for low-speed, high-torque applications, this motor excels in:

Injection Molding Machines: Drives screw rotation in 500-2000 ton molding machines, ensuring consistent plasticization and injection pressure.

Metallurgical Equipment: Powers rolling mills and conveyor belts in steel plants, with heat-resistant seals (200°C continuous operation).

Marine Winches: Provides reliable torque for anchor handling and cargo lifting, with marine-grade coatings (ISO 12944 C5-M) for saltwater resistance.

Mining Machinery: Drives drum crushers and ore screens in underground mines, with explosion-proof options (ATEX Zone 2) for hazardous areas.


FAQ


Q: What is the maximum operating temperature?

A: Standard models: -20°C to +80°C; high-temperature versions (with FKM seals): -40°C to +150°C.

Q: Can it handle shock loads?

A: Yes, designed to withstand 150% peak torque for 10 seconds, ideal for intermittent high-load scenarios.

Q: What is the displacement range?

A: Displacement options: 500-5000 cm³/rev, with custom sizes available for specialized applications.


Blince radial piston motor perfect alternative to

*Intermot NHM/IAM

*Calzoni MRC/MRCN

*Staff STF

*Other brands of motor.

Model

Displacement (ml/r)

Rated pressure (Mpa)

Max.pressure

(Mpa)

Rated torque (N.m)

Unit torque

(N.m/Mpa)

Max.speed (r/min)

Rated power (KW)

ZM1-(63~160)

64~159

16~14

22~20

150~326

9~23

450~280

6~8

ZM2-(100~280)

113~276

16~12

22~18

264~484

17~40

350~280

8~12

ZM3-(175~400)

181~380

16~12

22~18

424~667

26~56

350~250

13~15

ZM6-(400~750)

397~754

16~14

22~18

939~1561

59~111

320~280

27~31

ZM8-(600~1000)

617~1000

16~12

20~18

1444~1755

90~146

280~200

36~31

ZM11-(700~1300)

682~1301

16~14

22~18

1596~2664

101~192

280~200

40~47

ZM16-(1400~2400)

1413~2267

16~14

22~18

3343~4693

209~335

250~180

74~75

ZM31-(2500~5000)

2553~4828

18~14

25~20

6722~9887

373~706

200~160

120~141

ZM70-(5000~7000)

4946~7122

16~14

22~20

11450~14427

716~1030

125~100

120~121

ZM100-(6300~10000)

6758~10016

16~14

22~20

15301~19843

956~1417

100~80

128~133

The above data is obtained from actual measurement, to ensure that the performance is not lower than that of the same type of series products

If you have any questions, please contact our customer service. During the purchase process, we can meet all your needs.

For hydraulic equipment, please look for Blince!

Radial Piston Motor


Radial Piston Motor

Radial Piston Motor

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