梯形螺纹 acme thread form ; trapezoid thread ; trapezoidal screw thread ; Metric trapezoidal screw threads
三角形螺纹 V thread screw ; triangular thread
矩形螺纹 square threaded form ; square thread ; rectangular thread ; Straight thread
锯齿形螺纹 buttress thread form ; sawtooth thread ; Buttress Thread ; thread buttress
环形螺纹钉 annular threaded nail ; ring nail annular ring nail
梯形螺纹量规 ACME STUB ACME ; gauges for metric trapezoidal screw threads ; BCSG
梯形螺纹丝锥 tap of trapezoidal thread ; trapezoidal thread tap ; tap for trapezoidal thread
锥形螺纹连接 taper joint
米制锥形螺纹用丝攻 ZM
圆形螺纹梳刀 circular thread chaser ; circular chaser
这组算式也适用于对称三角形螺纹。
This set of formulae fits for use also in symmetrical triangular screw threads.
使用的刀具外形必须正好与要切削螺纹的轮廓一致，即三角形刀具必须用于三角形螺纹等等。
The form of the tool used must exactly coincide with the profile of the thread to be cut, i. e. , triangular tools must be used for triangular threads, and so on.
在螺纹材料、尺寸、载荷都相同的情况下，三角形螺纹牙所受的剪应力最小，断裂载荷也比梯形螺纹和矩形螺纹高。
In the same material, dimension and load circumstance, the cut stress of the triangle thread is smallest. Its rupture load is higher than the echelon and rectangle.
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