机用虎钳的结构及原理。机用虎钳是机械加工中常用的装夹机构，其结构如图1所示。其主要工作原理：转动方头带动丝杠，在螺母（通过紧固螺钉固定在虎钳体上）的作用下，做螺旋运动的丝杠带动与之联接的活动座沿丝杠轴线方向来回移动。

The structure and principle of machine vise. Machine vise is a common clamping mechanism in mechanical processing. Its structure is shown in Figure 1. The main principle: rotation of the lead screw nut in the square，圣霖联接机， (fixed in the vise body through a fastening screw) under the action of moving spirally driven screw connected with the movable seat to move back and forth along the screw axis.

胜过机用虎钳的柔性虎钳，在装夹中能有效防止工件的翻转、倾斜，圣霖联接机价格，克服了机用虎钳因配合间隙大导致工件受力不均、加工发颤等现象；解决了现有轻型、精密工件加工时装夹不可靠的问题。

Flexible than vice machine vise，圣霖联接机多少钱， the clamping can effectively prevent the workpiece turning and tilt， overcome the machine vise for clearance to workpiece uneven stress， etc. to solve the phenomenon of processing tremble; the existing light and precision workpiece clamping reliability of the fashion。

凡是在轴毂联接中不用键、花键或销时的联接，统称为无键联接。无键联接中我们介绍两个常用的型面联接和过盈配合联接。

The connection of no key， spline or pin in the hub connection is called the keyless connection. In keyless joins， we two commonly used type face joins and interference fit connections.

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