XCMG Loader Door Assembly (Part No. 803074424)
Material Requirements:
The door assembly must use high-strength alloy steel for structural components, with surface hardness ≥ HRC 40 to resist abrasion from dust/gravel.
Hinges and contact surfaces require carburizing treatment (depth ≥ 0.3mm) to enhance wear life.
Surface Coating:
Apply electrophoretic coating for corrosion and scratch resistance.
Critical friction zones must have PTFE-based dry lubricant to reduce wear under high-frequency use.
Sealing & Alignment:
Rubber seals (NBR material, hardness 70±5 Shore A) must prevent dust ingress to minimize abrasive damage.
Ensure door alignment tolerance ≤ 2mm to avoid uneven wear on hinges.
Load & Cycle Testing:
Withstands ≥ 50,000 open/close cycles under 1.5x rated load without functional failure.
Wear depth on latch components ≤ 2mm after cyclic testing.
Maintenance:
Lubricate moving parts every 200 service hours using XCMG-recommended grease.
Inspect wear indicators quarterly; replace if deformation exceeds 3mm.
Key Notes:
Avoid abrasive cleaners; use soft brushes for debris removal.
Temperature range: -25°C to +80°C to maintain coating integrity.
Non-compliant materials may reduce wear life by 40-60%.
Product Deatials
| Part Name | Door Lock | Part Number | 803074424 |
| Model | NBS504-1 | Application | For XCMG Loader |
| Package Size | / | GW |
3kg |
| MOQ | 1 PC | Brand Name | CBP |
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