Technology
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1. Die-cutting process
items
edge distance
hole diameter
edge distance
(sample)
edge distance
(mass production)
grooves width
 appearance
minimum tolerance
precision
minimum
0.7mm
minimum
0.6mm
minimum
0.6mm
minimum
0.7mm
minimum
0.7mm
3mm*5mm
±0.05mm
 
2. Etching process
items
edge distance
hole diameter
grooves width
connection depth
connection width
burr
minimum tolerance
precision
minimum
0.08mm
minimum
0.3mm
minimum
0.1mm
minimum
0.1mm
minimum
0.08mm
Less than
0.03mm
±0.05mm
Note:
above 0.15mm thickness can be used to half etching
etching SUS with adhesive, tape appearance unilateral need reduce 0.15mm, inner bore unilateral need increase 0.15mm is relative to SUS appearance.
 
3. Punching process
items
edge distance
hole diameter
edge distance
(sample)
edge distance
(mass production)
grooves width
burr
minimum tolerance
precision
minimum
0.5mm
minimum
0.5mm
minimum
0.2mm
minimum
0.3mm
minimum
0.04mm
 0.03mm
±0.05mm
 
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Address: Building D, Ganglian gebu second Industrial Zone, Hongxing village, SongGang Town, Bao An District, Shen Zhen City, Guang Dong ,China