SERVICES
Cheng Lian provides custom die casting services from tooling design, aluminum casting, CNC machining to surface treatment
CNC Machining & Secondary Operations
Precision Machining for Die Cast Parts – Tight Tolerance, High Efficiency
We provide in-house CNC machining for post-casting finishing, ensuring tight tolerances, high-quality surface finishes, and process flexibility.
Capabilities
Tolerance: ±0.005–0.01mm
4-axis & 5-axis machining centers
Compatible with aluminum, zinc, and stainless inserts
Secondary operations: drilling, tapping, milling, reaming
Visual & dimensional inspection after every operation
Process Flow
01
INCOMING QC & DATUM CHECK
● Whether the blank dimensions are within tolerance
● Whether key datum surfaces complete aidcist
02
Process Planning & CAM Programming
● Analysis of part and fixture design
● Toolpath generation
● Simulation and collision detection
03
Rough Machining
● Material removal
● Basic shape formation
04
FINISH MACHINING
● Precision milling
● Tapping and boring
● Improved surface finish
05
DEBURRING & CLEANING
● Remove burrs
● Grinds and polishes
● Cleans parts
06
FINAL QC INSPECTION
● Dimensional measurement
● Surface inspection
● Conformance to specifications
Tooling Equipment
Case Study Example
FAQ
Do you provide PPAP or dimensional reports?
Can you do machining only (without casting)?
Do you provide RoHS or REACH-compliant finishes?
Can I choose between gloss, matte or textured finishes?
ハイライト、マット、またはキメ感のある表面を選択できますか？
環境に配慮したコーティングをサポートしていますか。
Email：sales@cldiecasting.com
Phone: +86-18676278416 / +86-13726318587
Add: Tongji Road, Shenghui North Industrial Zone, Nantou Town, Zhongshan City, China.
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