200635890 Lifting shaft welding for XCMG RP705 paver spare parts

200635890 Lifting shaft welding for XCMG RP705 paver spare parts Featured Image
  • 200635890 Lifting shaft welding for XCMG RP705 paver spare parts

Short Description:

Welded Lift Shaft, Part No.: 200635890, fits RP705 medium crawler paver. It is a fabricated welded lift shaft assembly for the hopper lifting mechanism.

Product Detail

Product Tags

description

This welded lift shaft assembly is fabricated by welding high-grade alloy round steel and forged rocker lugs. Critical load-bearing welds adopt multi-pass submerged arc welding followed by stress relief heat treatment to reduce residual stress and resist crack propagation under cyclic load. Shaft fitting surfaces and lug holes are precision machined with strictly controlled concentricity and center distance to ensure accurate fit for rocker arms, cylinder joints and bearing housings without side loading. After shot blasting, durable anti-corrosion coating is applied against hot asphalt, abrasive aggregate, muddy water and hydraulic fluid. During truck unloading and hopper folding, the shaft rotates under cylinder drive to synchronize both hopper sides, receive mixture steadily, reduce spillage and segregation and maintain continuous feeding.

product parameters

- Part Number: 200635890
- Name: Welded Lift Shaft
- Applicable Model: RP705 medium crawler paver
- Material: Alloy structural steel (shaft body + forged welded assembly)
- Process: Cutting, forging, fit-up welding, post-weld stress relief, machining, sandblasting, anti-corrosion coating
- Matching Parts: Lift cylinder, rocker arm, bearing housing, bushing, hinge pin, circlip
- Function: Transmit torque, drive hopper lifting and lowering, synchronize movement of two hopper sides

Applicable Scenarios

It is mounted at the hopper bottom drive of RP705 paver for asphalt paving on municipal roads, highways, yards and airport runways。

advantage

- Integrated forged and welded construction delivers high torsional strength for heavy hopper impact load
- Post-weld stress relief greatly lowers the risk of weld tearing in long-term operation
- Precision machined surfaces ensure smooth rotation and reduce eccentric wear of bearings and bushings
- Abrasion-resistant coating resists aggregate scouring and asphalt buildup for easier cleaning
- Complete OEM welded assembly for direct drop-in replacement without on-site fabrication
- Precise rocker phase guarantees synchronized hopper movement and prevents material jamming

FAQ

Q: Can the lift shaft with tiny weld cracks remain in service?
A: Continued use is not recommended. Cyclic torsion propagates cracks rapidly. Replace or carry out professional repair and inspection immediately.

Q: Will a defective lift shaft cause unsynchronized hopper movement?
A: Twisted shaft or shifted rocker welds are common causes. Also check cylinder flow and wear of pins and bushings.

Q: Can a homemade welded shaft replace the original lift shaft?
A: Not recommended. Homemade units lack stress relief and concentricity inspection and are prone to twist and weld failure.

Q: What happens if the lift shaft fails?
A: The hopper cannot lift or lower, or one side seizes. Sudden fracture may drop the hopper and damage hoses and surrounding structures.

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