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如果你要加工如附图所示的大半径凹面工件,通常的加工方法难以胜任,而下面的加工方法则是十分有效的。首先,根据所要求的凹面半径计算好销钉位置,使待加工件弯曲,依销钉位覆用压紧螺栓夹紧。只需用磨削平面的方法将A面凸处削成直线,然后松开压紧螺栓,工件弯曲变形恢复(如有必要,则需加以校直),而加工过的A面就成了所要求半径的凹面。用这方法可以加工0.3～30米或更大半弪的凹面工作。
If you are machining a large-radius concave workpiece as shown in the attached drawings, the usual machining methods are not adequate, and the following machining methods are very effective. First, calculate the pin position according to the required concave radius, bend the part to be machined, and clamp it with pinch bolts. Just use the method of grinding plane A convex convex into a straight line, and then release the compression bolts, the workpiece bending deformation recovery (if necessary, you need to be straightened), and the A surface has been processed Requires a concave radius of the radius. With this method can be processed 0.3 to 30 meters or more semi-弪 concave work.