M131W universal cylindrical grinding machine The lateral feed mechanism between the screw nut is eliminated by the brake cylinder. Its structure is shown in Figure 1. The brake cylinder 1 is fixed on the bed. At the B, a process ring groove is designed for assembling the bushing, and the wall thickness is only 1.5 to 1.8 mm. In use, the B of the brake cylinder 1 is broken. The reason is: 1 wall of the brake cylinder 1B suddenly thins the stress concentration. 2 When the process tank is processed, micro cracks are generated. Due to the circumferential fiberization of the surface grains, the axial load carrying capacity of the workpiece surface is reduced. The action of the pressure oil and the axial load cause the B to be small.
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