通过外花键冷滚压精密成形的变形过程分析及适当假设，建立外花键冷滚精密成形滚压接触面积的数学模型。
The deformation process of external spline cold rolling was analyzed according to the suitable assumption. The mathematic model of contact area of external spline cold rolling was founded.
除具有纯滚流特点的S1阀片位置外，缸内气体斜轴涡流运动强度与单边气道截面被遮住的面积成正比。
Lastly, the strength of inclined-axis swirl is directly proportional to the Shadowed area of the single channel except for the S1 valve position where the in-cylinder motion is only tumble.
齿轮滚刀常用的加工外啮合直齿和斜齿圆柱齿轮的刀具。
The processing of gear hob used the meshing straight teeth and helical cylindrical gears of cutting tools.
滚研机是小直径工件外圆表面研磨加工设备之一，该机导轮表面形状直接影响加工精度。
The roll lapping machine is one of the equipments processing the excircle surface of minor diameter workpiece by lapping. The working accuracy is affected directly by the guide wheel of this machine.
弯角铁机采用立式结构，可将各种规格的角铁进行内弯或外弯滚圆加工，还可根据使用要求订制更换不同的滚轮，对圆钢、圆管、方管、槽钢等型材进行滚圆加工。
Angle iron bender apply vertical structure. It can bend inner and outer various angle iron. It also can roll round steel, pipe, square pipe, U steel by changing different roller.
全自动真空滚揉机除具有普通滚揉机的特点外，还具有变频技术功能。
Full automatic vacuum roll kneading machine not only has the common roll kneading machine features, also has the function of frequency conversion technology.
全自动真空滚揉机除具有普通滚揉机的特点外，还具有变频技术功能。
Full automatic vacuum roll kneading machine not only has the common roll kneading machine features, also has the function of frequency conversion technology.
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