我的QQ:27105745作者: chwsg 時間: 2012-3-3 10:44
兩個環規有一紅色圓點的是止規。另外一個是通規。作者: rybmsi 時間: 2012-4-26 15:32
B1.1 Unified Inch Screw Threads (UN and UNR thread form)
B1.2 Gages and Gaging for Unified inch Screw Thread
這樣清楚沒,一個是描述工件的,一個是描述規的!作者: rybmsi 時間: 2012-4-26 15:33
B1.1 Unified Inch Screw Threads (UN and UNR thread form)
B1.2 Gages and Gaging for Unified inch Screw Thread
這樣清楚沒,一個是描述工件的,一個是描述規的!
但是為什么同時標注BS919我就不清楚了!作者: rybmsi 時間: 2012-4-26 15:34
B1.1 Unified Inch Screw Threads (UN and UNR thread form)
B1.2 Gages and Gaging for Unified inch Screw Thread