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在一般金属切削机床的安装中,地脚螺栓多采用如图1所示的形式。这种形式具有制作简单,安装容易,固定牢靠的优点。但对铣床、液压牛头刨床等底座较高,安放地点又缺乏足够大的起重设备时,这种地脚螺栓,其缺点就显得很突出了。这类机床在安装或搬迁的时候,工人们不得不费力地并带有一定危险性地把机床一点一点抬高,塞上垫木,直到底座高于地脚螺栓头之后,再设法使它移动。这无疑是很辛苦而不安全的。
In the general installation of metal cutting machine tools, anchor bolts and more use of the form shown in Figure 1. This form has the advantages of simple production, easy installation, solid fixation. However, the milling machine, hydraulic shaper and other high base, place and lack of sufficient large lifting equipment, the anchor bolt, the shortcomings it is very prominent. When such machines are installed or relocated, workers have to laboriously and dangerously elevate the machine bit by bit, stuffing the wood until it is above the foundation bolt head It moves. This is undoubtedly very hard and insecure.