Customized High Precision EC290 OEM Gear Group Final Drive Without Motor Gear Ring Center Shaft Case Apply to Volvo Excavator Bulldozer Attachments
 
 
PRODUCTION PROCESS:

Material: Selecting appropriate material as customers’ requirement of drawing and life-time of products.
Material testing: Testing material chemical and mechanical properties.
Blanking production: Cutting material into appropriate pieces.
Heat treatment: Ensure material reach right mechanical properties during following production.
Forging: Monitering size and controling temperature at any time.
Testing forging result: UT testing and size testing.
Nomalizing: To refined crystal grain, uniform formation and residual stress relieving of material.
Rough machining: Lathe rough machining materials into homologous forging parts with rational margin.
Gear surface machining: Including CNC gear milling machine, gear shaper machine and gear slotting machine.
Heat treatment: Base on diffierent material of gears,heat treatment of the gear surface with different quenching process.
Finishi machining: Ensure precision and finish degree pass muster of the quality and drawing requirement.
Finished product inspection: Pitch inspection could be within 0.001mm, gear thickness inspection could be within 0.001mm, hardness inspection could be within 0.5ºC; CMM measure could be within 0.001 degree.
Packing and delivery: Packing with non-fumigation wooden boxes and steel tray, ensure products.
 

 
Components inside: GEARS, CARRIER, PIN, BEARING, FLOATING SEAL, WASHERES, PROP SHAFT, DRIVE SHAFT, HUB, HOUSING OF MOTOR, COVER etc. (without sprocket and hydraulic motor)