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86-316-6061001/1002

huayuan street,langfang economic & technical development zone,china

　　 amtg technical center have more than 20 senior engineers and mould designers, to research and manufacture new products, in that we can supply omnibearing technical service including products designing, performance optimization and process verifying. in order to reduce designing cost, amtg designers create complex part specimens by using cad solid modelling, to reply customers' requirements. meanwhile, by applying cam techniques,brand cutting tools and precision management, our market responsiveness and quality can international advanced level.

　　precision casting geometry design:

　　precision casting hole design:

　　precision casting min. wall thickness:

冶金	小面积	一般
	(.25x25")mm	mm
铜合金	.035(.889)	1.27
球墨铸铁	.035(.889)	1.27
铝合金	.040"(1.016)	1.52
.300系列不锈钢	.040"(1.016)	1.52
钴合金	.040"(1.016)	1.52
.400列不锈钢	.045"(1.14)	1.52
碳钢1	.050:(1.127)	2.03

　　precision casting dimensional tolerance, form and position tolerance:

尺寸范围	一般公差	限度公差	直线度	平面度	圆度	对称度	同轴度	位置度	平行度	垂直度
0-12.5	±0.20	±0.13	0.15	0.15	0.20	0.20	0.20	0.20	0.25	0.25
12.5-25.4	±0.25	±0.15	0.20	0.20	0.25	0.25	0.25	0.25	0.35	0.35
25.4-50.8	±0.35	±0.25	0.25	0.25	0.30	0.30	0.30	0.30	0.40	0.40
50.8-76.2	±0.45	±0.30	0.30	0.30	0.35	0.35	0.35	0.35	0.50	0.50
76.2-101.6	±0.60	±0.30	0.35	0.35	0.40	0.40	0.40	0.40	0.60	0.60
101.6-127.0	±0.70	±0.35	0.40	0.40	0.50	0.50	0.50	0.50	0.70	0.70
127.0-152.4	±1.00	±0.50	0.50	0.50	0.60	0.60	0.60	0.60	0.80	0.80
152.4-177.8	±1.30	±0.70	0.55	0.55	0.70	0.70	0.70	0.70	0.90	0.90
177.8-203.2	±1.60	±0.80	0.60	0.60	0.80	0.80	0.80	0.80	1.00	1.00
203.2-254.0	±1.90	±1.00	0.70	0.70	0.90	0.90	0.90	0.90	1.20	1.20
254.0-304.8	±2.20	±1.20	0.80	0.80	1.00	1.00	1.00	1.00	1.40	1.40
>304.8	±0.8%	±0.5%	0.3%	0.3%	0.4%	0.4%	0.4%	0.4%	0.5%	0.5%

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