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poclain hydraulic motor MS18 spare parts

2 month ago
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Product details
Poclain Hydraulic Motor MS18 spare parts (Rotor & Distributor):
 
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I. Component Function Analysis
 
1. Rotor
 
    • Function: As the core moving part of the hydraulic motor, the rotor converts hydraulic energy into mechanical energy by coordinating radial plungers with the stator's inner curved surface, driving the load to rotate.
 
    • Technical Features: The MS18 rotor is crafted from high-strength alloy steel, subjected to precision machining and heat treatment to ensure wear resistance, fatigue resistance, and tight sealing with the stator. Its plunger hole distribution optimizes displacement and efficiency.
 
2. Distributor (Oil Distribution Plate)
 
    • Function: Controls the timing of hydraulic oil entry/exit into the rotor's plunger chambers, enabling continuous motor rotation. The distributor must precisely match the rotor's plunger count and phase angle.
 
    • Technical Features: The MS18 distributor uses wear-resistant composite materials or hard alloy coatings, with ultra-precision surface finishing to ensure high-pressure sealing and minimal leakage against the rotor.
 
II. Spare Part Compatibility & Adaptability
 
• Model Matching: The MS18 rotor and distributor must strictly align with the motor's displacement (e.g., 1091ml/r to 2812ml/r) and pressure ratings (rated pressure 25MPa, peak pressure 31.5MPa).
 
• Alternative Solutions: Some Chinese-made spare parts (e.g., Elephant Fluid Power, Helm Tower) claim 100% OEM compatibility. However, verify their material reports (e.g., bearing/seal brands) and performance test data (e.g., volumetric efficiency, leakage rate).
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Ningbo Hengnuo Hydraulic Drive Co.,Ltd
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Main Product: hydraulic motor, gear box, hydraulic pump, hydraulic valve , hydraulic winch , hydraulic system