Customer Requirements
What the customer needed
Stable bearing bore accuracyShorter cycle timeRepeatable drilling and tapping
Case Study
High-speed Machining of Aluminum Transmission Housing
High-speed machining of aluminum transmission housings for automotive batch production.
aluminum transmission housing machiningcnc machine for automotive partsvmc850 automotive machining
Project Overview
Standard case data fields.
Industry Automotive
Application Transmission housing
Material Aluminum alloy
Machine Model HYR VMC850
Controller Fanuc / Siemens / Mitsubishi
Spindle Speed 12000 rpm
ATC Capacity 24-60 tools
Travel X/Y/Z Project based
Tolerance +/-0.01 mm
Surface Finish Ra 1.6
Cycle Time 16 min
Production Volume 1800 pcs/month
Country Mexico
Challenges
Machining difficulty
Thin walls caused vibrationMultiple bores required coaxialityBatch output required reliable fixtures
HYR CNC Solution
Machine configuration
Machine: HYR VMC850
Spindle: High-speed spindle for stable finishing
ATC: Automatic tool changer for multi-process machining
Controller: Fanuc / Siemens / Mitsubishi options
Coolant: High pressure coolant and chip evacuation
Machining Process
Timeline from raw material to inspection.
01 Raw Material Preparation
02 Rough Milling
03 Semi-finishing
04 Precision Boring
05 Drilling & Tapping
06 Inspection
Results
Before and after machining improvement.
| Item | Before | After |
|---|---|---|
| Tolerance | +/-0.025 mm | +/-0.01 mm |
| Cycle Time | 22 min | 16 min |
| Surface Finish | Ra 3.2 | Ra 1.6 |
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