An improved flat rolling method and device

Abstract

Disclosed is a modified planar rolling method. The planar rolling method comprises the steps that a workpiece is attached under a planet wheel and makes contact with balls arranged on an upper grinding disk; the workpiece applies load to the planet wheel; the upper grinding disk tends to move downwards under the action of the rolling load; when the rolling load exceeds the pretightening force of springs, the upper grinding disk moves downwards continuously along bolts and the pretightening force also increases gradually until the pretightening force is in balance with the rolling load; the springs in a compression state are capable of providing restoring force and self-adaptively adjusting the contact state of the balls and the surface of the workpiece; the workpiece is in a rotation and a revolution along with the planet wheel; and the balls on the upper grinding disk roll the surface of the workpiece again and again and even rolling tracks are left on the surface. The invention further provides a rolling grinding device for achieving the planar rolling method. The modified planar rolling method is good in uniformity and relatively high in machining precision; the thermal deformation of the machined surface is not prone to occurring.

Description

technical field [0001] The invention relates to the technical field of rolling processing, in particular to a plane rolling method and device. Background technique [0002] Rolling processing is a chipless cold processing method, which is the application of continuous local plastic forming technology in surface finishing. Rolling is the continuous local plastic deformation of the metal surface under the action of external pressure to improve and enhance the final surface quality and performance of mechanical parts. It has the dual functions of smoothing and surface strengthening. [0003] Rolling is mainly divided into planar parts processing and cylindrical surface parts processing. At present, the rolling processing of planar parts is mainly achieved by clamping the rolling cutter head on the main shaft of the machine tool through the rotating motion of the rolling cutter head and the feed motion of the workpiece in the processing plane. The disadvantage of this method i...

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Problems solved by technology

[0004] In order to overcome the shortcomings of the existing rolling processing method, such as poor uniformity, easy thermal deformation on the processed surface, and low processing accuracy, the present invention provides an improvement with good uniformity, low thermal deformation on the processed surface, and high processing accuracy. Plane rolling method and device of

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