导轨有哪些分类

What are the classifications of guide rails

　　1：直线导轨

1: Linear guide rail

　　优点：摩擦力小，小动力即可移动，装卸方便快捷，长度不限，适合长距离的机床设备。

Advantages: Low friction, easy to move with low power, convenient and fast loading and unloading, unlimited length, suitable for long-distance machine tools and equipment.

　　缺点：长期使用导轨会出现微变形影响精度和顺畅、表面易生锈影响精度，而精度要求高则加重成本。

Disadvantages: Long term use of the guide rail may cause slight deformation that affects accuracy and smoothness, and the surface is prone to rusting that affects accuracy. However, high precision requirements will increase costs.

　　2：丝杆导轨

2: Screw guide rail

　　优点：具有精度高，寿命长，工作平稳，可靠性高，简单可靠的优点，适合机床传动设备使用。

Advantages: It has the advantages of high precision, long service life, stable operation, high reliability, simplicity and reliability, and is suitable for use in machine tool transmission equipment.

　　缺点：在长距离重负载下,丝杆易导致弯曲，滚珠丝杆制造、安装精度要求较高，因而成本也较高;同时不宜作远距离传动。

Disadvantages: Under long-distance heavy loads, the lead screw is prone to bending, and the manufacturing and installation accuracy requirements for ball screw are high, resulting in higher costs; It is not suitable for long-distance transmission.

　　3：交叉导轨

3: Cross guide rail

　　优点：交叉导轨是面接式运动，效果比前者好，可承受各个方向的载荷，高精度、高平稳，造型小等优点，适合在小型设备使用。

Advantages: The cross guide rail is a surface mounted motion, which has better effects than the former. It can withstand loads in all directions, has advantages such as high precision, high stability, and small shape, and is suitable for use in small equipment.

　　缺点：行程有限，不方便清洁，装卸精度要求较高，对润滑的要求较低，不适合大型设备。

Disadvantages: Limited travel, inconvenient cleaning, high loading and unloading accuracy requirements, low lubrication requirements, not suitable for large equipment.

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