Fax:0086.574.83064867
Email:ph@ph-fitting.com
Contact person:
Export Dept:0086.574.87056170
Eglish thread name
Data:2009-07-27螺纹线helix ，螺纹screw thread ，圆柱螺纹 parallel screw thread ，圆锥螺纹 taper screw thread ，外螺纹external thread ，内螺纹 internal thread 螺纹副 screw thread pair 单线螺纹 single-start thread 多线螺纹multi-start thread 右旋螺纹right-hand thread 左旋螺纹 left-hand thread 完整螺纹 complete thread 不完整螺纹incomplete thread 螺尾 washout thread; vanish thread 有效螺纹 useful thread 螺纹牙形 form of thread 原始三角形 fundamental triangle 原始三角形高度 fundamental triangle height 基本牙形 basic profile 削平高度 depth of truncation 设计牙型 design profile 最大实体牙型 maximum material profile 最小实体牙型 minimum material profile 牙顶 crest 牙底 root 牙侧 flank 承载牙侧 load flank 非承载牙侧 clearance flank 引导牙侧 leading flank 跟随牙侧 following flank 牙顶高 addendum 牙型高度 thread height 牙型角 thread angle 牙型半角 half of thread angle 牙侧角 flank angle 牙顶圆弧半径 radius of rounded crest 牙底圆弧半径 radius of rounded roof 公称直径nominal diameter 大径 major diameter 小径 minor diameter 顶径 crest diameter 底径 root diameter 中径 pitch diameter 单一中径 simple pitch diameter 作用中径 virtual pitch diameter 基准直径 gauge diameter 螺纹轴线 axis of thread 中径线 pitch line 螺距 pitch 导程 lead 螺纹升角（导程角）lead angle 螺纹牙厚 thread ridge thickness 螺纹槽宽 thread groove width 螺纹接触高度 depth of thread engagement 大径间隙 major clearance 小径间隙 minor clearance 螺纹旋合长度 length of thread engagement 基准平面 gauge plane 基准距离 gauge length 装配余量 fitting allowance 旋紧余量 wrenching allowance 行程 stroke 螺纹精度 tolerance quality 螺距偏差deviation in pitch 螺距累积误差 cumulative error in pitch 导程偏差deviation in lead 导程累积误差 cumulative error in lead 螺旋线轴向误差 helix error in the axis 牙侧角偏差 deviation of flank angle 螺距误差中径当量 pitch diameter equivalent of error in pitch 牙侧角误差中径当量 pitch diameter equivalent of error in flank angle 基准距离偏差 deviation of gauge length 基准平面的轴向位移偏差 deviation of datum axial drift 行程偏差 deviation of stroke
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