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传动轴万向节十字头和差速器十字轴等十字形零件本身对两轴线的相交度和垂直度要求很高,在加工四个端面和中心孔时,用装有专用夹具的通用机床一头一头地加工,需要多次转动工件的位置,生产效率低,不易保证产品质量。我国汽车工业战线上的广大革命职工,遵照伟大领袖毛主席关于“自力更生,艰苦奋斗,破除迷信,解放思想”的教导,自行设计制造出加工十字形零件的半自动铣钻床,现就本刊所了解到的几种,介绍如下。
Drive shaft universal joint crosshead and differential cross shaft and other cross-shaped parts themselves on the two axes of intersection and verticality demanding, in the processing of four end and center hole, with a dedicated universal fixture with a head A one-piece processing, the need to rotate the workpiece position several times, the production efficiency is low, not easy to ensure product quality. The vast number of revolutionary workers on the frontline of China’s automobile industry have, in accordance with the teachings of Chairman Mao, the great leader, on “self-reliance, hard work, superstitious beliefs and emancipation of the mind”, and have designed and manufactured semi-automatic milling machines for processing cross-shaped parts. To several, introduced below.