View
224
Download
1
Category
Tags:
Preview:
Citation preview
2008013438Kim Jeong Geon
NARA CORPRATION’S major product is COUPLING , TURNING GEAR, GEAR BOX
These products are used various fields
Wind solution , fluid drivemarine engine , Flexible coupling
First.
Circle material Round bar cutting
According to drawings using CNC , lathe Working Rough glinding ( 2 ~3mm gives free) -Used When a large machining allowance -Routh glinding used roughly pare
This step is heat treatment
Standard is normalizing
After heat treatment
2~3days leaving alone
(To remove heat treatment Stress relief)
According to drawings using CNC , lathe Working Finishing
Finising used Minutely pare
Using various cutters that cut the teeth of gear
Recommended