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1)  cylindrical pipe thread
圆柱管螺纹
2)  straight pipe thread
圆柱形管螺纹
3)  Parallel screw thread
圆柱螺纹
4)  round die for straight pipe threading
圆柱管螺纹圆板牙
5)  bspp thread
英国圆柱管螺纹标准
6)  round thread tube
圆螺纹管
1.
The nonlinear finite element analysis on helical skew rolling of round thread tube is provided in this paper.
本文对斜轧大螺距圆螺纹管进行了非线性有限元分析 ,得到了轧件内部应力和应变的分布情况 ,为模具设计和工艺参数的确定提供了可靠依据。
补充资料:55°圆柱管螺纹的型式和尺寸
British Pipe Thread (惠氏管螺纹) -- 圆柱 (BSPP/BSPF)
螺纹代号
基本尺寸
大径
mm
d=D
螺距
mm
p
每英寸牙数
tpi
中径
mm
d2=D2
小径
外螺纹
d3
牙型高度
H1
底孔尺寸
mm
G 1/8 1/8"9.7280.907289.1478.5660.5818.7
G 1/4 1/4"13.1571.3371912.30111.4450.85611.6
G 3/8 3/8"16.6621.3371915.80614.950.85615
G 1/2 1/2"20.9551.8141419.79318.6311.16219
G 5/8 5/8"22.9111.8141421.74920.5871.16220.75
G 3/4 3/4"26.4411.8141425.27924.1171.16224.5
G 7/8 7/8"30.2011.8141429.03927.8771.16228
G 1 1"33.2492.3091131.7730.2911.47930.5
G 1 1/8 1 1/8"37.8972.3091136.41834.9391.47935
G 1 1/4 1 1/4"41.912.3091140.43138.9521.47939.5
G 1 3/8 1 3/8" 44.3232.3091142.84441.3651.47941.5
G 1 1/2 1 1/2"47.8032.3091146.32444.8451.47945
G 1 3/4 1 3/4"53.7462.3091152.26750.7881.47951
G 2 2"59.6142.3091158.13556.6561.47957
G 2 1/4 2 1/4"65.712.3091164.23162.7521.47963
G 2 1/2 2 1/2"75.1842.3091173.70572.2261.47972.5
G 2 3/4 2 3/4"81.5342.3091180.05578.5761.47979
G 3 3"87.8842.3091186.40584.9261.47985.5
G 3 1/4 3 1/4"93.982.3091192.50191.0221.47991
G 3 1/2 3 1/2"100.332.3091198.35197.3721.47997.75
G 3 3/4 3 3/4"106.682.30911105.201103.7221.479104
G 4 4"113.032.30911111.55110.0721.479110.5
G 4 1/2 4 1/2"125.732.30911124.251122.7721.479123
G 55"138.432.30911136.951135.4721.479136
G 5 1/2 5 1/2"151.132.30911149.651148.1721.479148.5
G 6 6"163.832.30911162.351160.8721.479161.5
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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