Products Description
Designed to handle severe torque reversals and peak fluid impacts up to 45 MPa, our Bimetal Axial Piston Motor Port Plate fuses an alloy steel core with an advanced high-lead bronze running surface through continuous high-temperature sintering. We manufacture this heavy-duty Bimetal Axial Piston Motor Port Plate for high-pressure axial and radial piston motors driving mining shovels, drilling rigs, and heavy construction equipment. Featuring precision-machined damping slots that eliminate cavitation and fluid shock, our Bimetal Axial Piston Motor Port Plate maintains an unbroken fluid seal against rotating cylinder blocks, protecting the drive motor from catastrophic thermal galling.
Application Scenarios
- High-pressure fluid distribution in axial and variable-displacement piston motors.
- Travel, swing, and hoist motor drives in heavy excavators, cranes, and drill rigs.
- Remanufacturing facilities and aftermarket suppliers servicing high-pressure motors.
Technical Specifications
|
Material System |
High-strength alloy steel core + high-lead bronze friction layer |
|
Interfacial Shear Strength |
≥180 MPa |
|
Rated Working Pressure |
≤35 MPa (Peak proof pressure: 45 MPa) |
|
End-Face Flatness |
≤0.003 mm (Roughness Ra ≤0.15 μm) |
|
Bronze Hardness |
HB 80–110 |
|
Media Compatibility |
HM anti-wear hydraulic oil and fire-resistant fluids |
Customization Capabilities
- CAD-engineered silencing ramps and damping orifices tailored to specific displacements.
- Custom bronze formulations adapted for synthetic or fire-resistant hydraulic media.
- Pilot samples delivered in 30 days (15-day rush channel available); MOQ of 100 units.
Quality Control
- Non-destructive ultrasonic scans to verify continuous metallurgical fusion along the interface.
- Precision flatness measurement inside a temperature-controlled CMM inspection lab.
- 100% full inspection of all critical sealing surfaces prior to protective export crating.
FAQ
Q: Can this port plate withstand rapid forward-reverse motor cycling under maximum pressure?
A: Yes, our ≥180 MPa shear bonding strength and engineered deceleration slots cushion fluid shocks, eliminating the risk of bronze layer delamination.
Q: How do you handle delivery lead times for urgent overseas maintenance orders?
A: Standard custom runs take 30–45 days, but repeat orders ship approximately one week faster because tooling and setups are already calibrated in-house.
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