自动门
自动门:固定轨和旋转轨的加工制造
发布时间:2013/5/17
自动门讯:
固定轨和旋转轨的加工制造
    1)图5.6示出固定轨的结构图,图5.  10示出旋转轨的结构图。
    2)按图尺寸先下料,可采用厚50mm的钢板用气割下料,为减少车削的加工量,T
料的内径和外径尽量接近图示尺寸,留出车削余量2mm最好。如果没有厚50mm的钢
板,可以采用棒料锻压加工毛坯料,因固定轨和旋转轨是两个半圆组装在一起的,其毛坯
料也是半圆。
    3)对固定轨和旋转轨的半圆毛坯料先在大铯床上切削分割面,在平台上划线,切削
半圆的连接面,并在连接面的垂直方向加工两个+80+o.ols深40的孔,在链床上加工孔,共
四孔,用4个+80 0.o,s的销连接两半圆成整圆。
 4)将固定轨和旋转轨连成整体的毛坯放在立车车床上,装夹后车内径和底面按图加
工,车削后要达到图纸要求。
    5)将固定轨和旋转轨在立车车床上,重新装夹具,用立车车床车削外圆。
    6)将固定轨和旋转轨在车床上翻转1800,重新找工件的中心,用千分表找出工件的
中心,重新装夹具,车削另一个平面。
    7)为保证固定轨和旋转轨的两半圆连成整圆的强度,每半圆加了两个直角连接件,
用螺栓和螺母紧固。
    8)按图5.6所示加工12个Ml0螺孔。按图5.10加工8个+30a+仉∞3孔和多1 1孔及1 0
个+300t ot033孔和声1 1孔,+3 00+0. 033孔在镗床上加工。
    9)两固定轨用8个Ml0的螺钉固定在8根固定立柱上,将固定轨先分成两半圆再合
成一个整圆。
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