Curved surface grinding machine and grinding process for grinding profile by using same: Fid-Bau Portal

Curved surface grinding machine and grinding process for grinding profile by using same

LIANG DEHANG / XU YAOPENG / LIANG DEMIN / ZHAO JING

The invention provides a curved surface grinding machine and a grinding process for grinding a profile by using the same, relates to the technical field of rail transit and steel rail grinding equipment, and solves the technical problems that a large grinding machine is not smooth in profile transition and has a small plane. The curved surface grinding machine comprises at least one group of grinding units for carrying out curved surface enveloping grinding on each angle of the cross section of a steel rail, and further comprises a traction unit for carrying out forward and reverse bidirectional traction on all the grinding units so as to enable the grinding units to carry out forward and reverse grinding; one or two grinding heads are arranged in the grinding unit, and the materials and/or the thicknesses of the grinding tools carried in the grinding heads are the same or different; the machine also comprises a first control mechanism which can control the polishing unit to ascend, descend, deflect and move; the grinding process comprises the steps of grinding unit selection, grinding tool selection, angle and position adjustment, profile grinding and supplementary grinding. The track profile grinding device is used for track profile grinding and is good in grinding effect, high in efficiency and free of small planes.

本发明提供了一种曲面打磨机及使用其进行廓形打磨的打磨工艺，涉及轨道交通和钢轨打磨设备技术领域，解决了大型打磨机廓形过渡不圆滑、存在小平面的技术问题。该曲面打磨机，包括对钢轨横断面各个角度进行曲面包络打磨的至少一组打磨单元，还包括用以对所有的打磨单元进行正向和反向双向牵引以使打磨单元进行正向和反向打磨的牵引单元；打磨单元中设置有一个或两个打磨头，每个打磨头中搭载的打磨工具的材料和/或厚度相同或不同；还包括能控制打磨单元升降、偏转和移动的第一控制机构；打磨工艺包括打磨单元选择、打磨工具选择、角度和位置调整、廓形打磨、补磨。本发明用于轨道廓形打磨，打磨效果好、效率高、无小平面。

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