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Solder mask is exposed to the pads used, it is often said that the green oil, oil is actually digging holes in the green, the green oil does not need to cover the pads and other exposed areas. Proper cleaning can get a suitable surface features.
HASL solder coating HAL (commonly known as HAL) process is first dipped on the PCB flux, then dipping in molten solder, and then
injection mould base,
Mould plate for mediacal plastic injection mould
1. Material using : S45C,S55C or others
2. Size ; According customer requirement
3. Hardness: According material character
4. Surface Grinding Precision : 0.002MM
6. OEM service
7. MOQ:1 PC acceptable
Production Normal Information
Technique standard: According to national standards GM,JIS,DIN,AISI,ect. and other national standard
Chenghui Precision Mould production equipment List: High Speed CNC 2 set EDM 3 sets, grinder 20sets,,wire-cutting EDM 3 sets, milling machine 1 set, all machine imported for Switzerland ,Japan and China Taiwan.
Chenghui Precision Mould service: LED lead frame mould, LED lead frame mould parts, Progressive stamping die, Progressive stamping die parts, Precision plastic mould parts, Connector mould parts, Precision Electronic Mould Parts, Precision medical mould Parts, Punch die Parts , High speed CNC milling ,EDM,WEDM etc.
Quality system Management
At Chenghui Precision Mould, quality is maintained throughout the entire manufacturing process. Using dimensional and optical inspection methodologies, Chenghui Precision Mould ensures that the tolerance and dimensional integrity of each part remains uncompromised.
Chenghui Precision Mould operate ISO 9001:2000 system; such as product abnormal handling process program and and customer complaint handling program, committing to continuous process improvement eliminating variability and inconsistency within the manufacturing process.
CPK control key point and key size.
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