Sheet metal processing, laser cutting, metal structures, welding, aluminum laser cutting, large welding parts, welding parts processing, steel weldments
Contact: He Weidong
Phone: 021-57874956-8001
Mobile: 13901623463
Fax: 021-57878225
Address: China 叶新公 Road, Songjiang District, Shanghai 5858
Postal Code: 201606
Store: http: //tiandubang.1688.com
Website: www.tiandubang.com
钣金加工技能荟萃：
钳工:沉孔、攻丝、扩孔、钻孔，沉孔角度一般120℃，用于拉铆钉，90℃用于沉头螺钉，攻丝英制底孔。
翻边：又叫抽孔、翻孔，就是在一个较小的基孔上抽成一个稍大的孔，再攻丝，主要用板厚比较薄的钣金加工，增加其强度和螺纹圈数，避免滑牙，一般用于板厚比较薄，其孔周正常的浅翻边，厚度基本没有变化，允许有厚度的变薄30-40%时，可得到比正常翻边高度大高40-60%的高度，用挤薄50%时，可得最大的翻边高度，当板厚较大时，如2.0、2.5等以上的板厚，便可直接攻丝。
网址：http://www.tiandubang.com
标签：焊接件 激光切割件 金属结构件
本文由提供 激光切割折弯 上海激光切割 大型焊接件加工 铝合金激光切割的【上海田渡浜五金仪器厂】撰文，更多了解请关注http://www.tiandubang.com
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Shanghai ICP 14021923 Copyright: Shanghai Tian Du Bang Hardware Instrument Contact: He Weidong Tel: 021-57874956-8001 Mobile: 13901623463 Fax: 021-57878225
Address: China 叶新公 Road, Songjiang District, Shanghai, 5858 Zip: 201606 Store: http: //tiandubang.1688.com Website: http: //www.tiandubang.com
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