分段式;断面形
Cold forming sectional steel--Hollow sectional steel for general structure--Demension, form, weight and permissible deviations
结构用冷弯空心型钢尺寸、外形、重量及允许偏差
The precision machining principles and characteristics of CNC form grinding for gear dies are introduced. A analysis method of profile-calculating is put forward, which is available to shape axile sectional of grinding wheel by numerical control.
介绍CNC成形磨齿方法精密加工齿轮模具的原理和特点,应用解析法建立成形磨削渐开线圆柱斜齿轮模具的数学模型,推导成形砂轮廓形计算公式。
We study out several schemes with different parameter of bodily form, make sectional hydraulic model test, and select the best scheme by comparing their effects of the energy dissipation.
文中拟定了数种不同体形参数的方案进行断面模型试验,比较选择最优;
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