Hobbing clamp for clamping a plurality of parts with big gear rings
A technology of gear hobbing fixture and large ring gear, which is applied in the field of fixtures, can solve problems such as difficult to reliably guarantee hobbing accuracy, poor centering accuracy of large gear ring parts, inconsistent deformation, etc., to achieve reliable combination, realize force transmission, The effect of ensuring hobbing accuracy
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[0022] Below in conjunction with accompanying drawing and embodiment the present invention will be further described:
[0023] Such as figure 1 , 2 , 3, a gear hobbing fixture for clamping multiple large ring gear parts, the gear hobbing fixture is composed of a pressing part and a centering part. Wherein, the centering part consists of a base 1, a bracket 2, a support plate 3, an expansion block 4, a first spring 5, a taper sleeve 6, an annular positioning plate 7, a return spring 8, a force transmission block 9, a second spring 10, The positioning sleeve 11 and the pull-down rod 12 are formed. Wherein, a cylindrical bracket 2 is vertically provided on the top surface of the base 1, and the axis lines of these two parts are on the same straight line. There is a support plate 3 on the outside of the bracket 2, which is fixed to the cylindrical boss at the lower end of the support plate 2, and the outer edge of the top surface of the support plate 3 has a ring-shaped side wa...
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