JW Styles
GM (General Motors) Holden
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Con Rod Machining

Capacity
360,000 x 4 parts / year

History
Installed in 1980 in use to 2009

Products
Material : Cast Iron
Large bore (Crank Pin bore) diameter : 52.000mm
Small bore (Piston bore) diameter : 20.953/20.971mm
Pitch : 143.02mm

15 sets of Operation machines
- High productivity Transfer Line concept

Major Operation
- Cap and Rod splitting: Broaching Machine
- Measuring after finish boring
 - Honing: Crank pin bore – 4spindle x 2sets
- Surface Grinding : Rough (OP10) – Finish (OP80)

Major Equipment
- 2 x Diskus durface grinders, 2 x Klink broaches, Zenford drill, chamfer, counterbore, 3 x Alfing milling & transfer lines, 2 x Gehring spindle hones, 4 x Marposs guage scales


Logistic / Automation
Transfer machine and working beam conveyor,
belt conveyor.

Controller : Upgraded with Siemens

Coolant System
Central Coolant System

Honing, Broaching : Independent system

Tooling – Specialized tool





Conrod Machining & Transfer Line
 
 
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