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{"title":"CAT Oil Pressure Sensor Excavator Pressure Sensor for E307E200BE320C","imgUrl":"https:\/\/img.chinax.com\/nimg\/8a\/e2\/1fcf519e4a9c9cd46755cc6483bc-200x200-1\/cat_oil_pressure_sensor_excavator_pressure_sensor_for_e307e200be320c.jpg","attrs":{"Working Voltage":"12V \/ 24V DC Universal","Payment Terms":"L\/C,T\/T,Western Union","Compatible Brand":"CAT","Delivery Time":"1-7days"}}
{"title":"Excavator Starter Motor Relay 24V for PC60 PC120 PC130 PC200 PC300","imgUrl":"https:\/\/img.chinax.com\/nimg\/ac\/bd\/bfde239abd951e2b4a6e038294c8-200x200-1\/excavator_starter_motor_relay_24v_for_pc60_pc120_pc130_pc200_pc300.jpg","attrs":{"Rated Voltage":"24V DC","Place of Origin":"CHINA","Minimum Order Quantity":"10","Product Name":"Starter Relay"}}
{"title":"CAT 330GC Excavator Electrical Parts Full Vehicle Wiring Harness","imgUrl":"https:\/\/img.chinax.com\/nimg\/13\/b4\/c1defb7fc65de89dd409133aa66a-200x200-1\/cat_330gc_excavator_electrical_parts_full_vehicle_wiring_harness.jpg","attrs":{"Price":"Negotiable","Deliery":"DHL Fedex EMS UPS or By Air\/ Sea","Delivery Time":"1-7 days","Model Number":"E330GC"}}
Raw Material Selection: High-purity copper for windings, carburized alloy steel (20CrMnTi) for pinion gear, premium electrical steel for armature core.
Armature Winding: Precision CNC winding with automatic turn-counting control, ensuring consistent coil resistance and magnetic field strength.
Planetary Gear Machining: 5-axis CNC hobbing and shaping achieve gear tooth tolerances within ±0.01mm for smooth, quiet operation.
Carburizing & Hardening: Pinion gear teeth hardened to HRC 58-62 with controlled case depth (1.5-2.0mm) for maximum wear resistance.
Solenoid Assembly: Precision-wound pull-in and hold-in coils with epoxy-impregnated insulation for moisture resistance.
Motor Assembly: Clean-room assembly with controlled air gap tolerances between armature and field coils.
Dynamic Balancing: Armature dynamically balanced to ≤2.5 g·mm to minimize vibration during high-speed operation.
100% Factory Testing: Every unit tested for no-load speed, stall torque, solenoid pull-in voltage, current draw, and insulation resistance before shipping.