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来自维基百科,自由的百科全书
螺紋角也稱牙型角,是螺紋側面的夾角[1],是螺紋幾何形狀的決定因素之一。
名稱 | 符號 | 角度 | 截面 | 標準 |
---|---|---|---|---|
大多數的V形螺紋 (包括ISO,NPT和UTS) |
M | 60° | DIN 13 / ISO ? / ASME / ANSI ? | |
惠特沃思螺紋 | W | 55° | DIN 49301 / BS ? | |
管螺紋 | G | 55° | DIN / BS / EN / ISO 228-1 / ISO 7-1 | |
管螺紋 | NPT | 60° | ASME B1.20.-1983通用管螺紋,英制 | |
圓螺紋[2][3][4] | Rd | 30° | [5] | DIN 405 / DIN 20400 |
梯形螺紋 [6] | 29° | ASME / ANSI B1.5-1988 [7] | ||
公制梯形螺紋 [1] | Tr | 30° | DIN 103 | |
鋸齒螺紋 | S | 45° | DIN 2781 | |
德國偏梯形螺紋 | S | 30° | DIN 513 | |
方螺紋 | Sq | 0度 | ? | |
PG螺紋 | Pg | 80度 | DIN 40430 | |
英國協會(BA)螺紋 | BA |
|
? | BS 93:2008 |
Löwenherz螺紋 [8] | ? |
|
? | ? |
鮑德默(Bodmer)螺紋 [9] | ? | 50° | ? | ? |
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