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The difference between linear aluminum extrusion rail and linear axis
Release time:
2022-04-28 11:39
Source:
A linear axis is a commonly used mechanical element that guides linear motion. Common types of shafts include crankshafts, straight shafts and flexible shafts. It is used for infinite travel in conjunction with cylindrical shafts. Since the bearing ball is in point contact with the shaft, the operating load is small. The steel ball rotates with minimal frictional resistance, resulting in a smooth motion with high precision. Linear axes are widely used in electronic equipment, precision equipment such as tensile testing machines and digital three-dimensional coordinate measuring equipment, as well as sliding of multi-axis machine tools, punching machines, tool grinders, automatic gas cutting machines, printers, card sorting machines, food packaging machines and other industrial machinery. part.
1. It has the same function as the linear aluminum extrusion rail, both as support and movement. The difference between the two is the installation part, and the shape is also different. The optical axis is circular, and the linear guide is generally square, and there is a fixed installation slider part processed on it. The linear optical axis is generally fixed at both ends, and the middle suspended connecting part covers all or most of the radial direction of the optical axis. Linear guide rails generally have one side all closely attached to the equipment mounting base and are fixed with bolts.
2. Linear shafts are used in conjunction with linear bearings and cylindrical shafts. Due to the point contact between the bearing ball and the bearing shell, the steel ball rolls with a small frictional resistance, so the linear optical axis has low friction, is relatively stable, does not change with the bearing speed, and can obtain smooth linear motion with high sensitivity and high precision.
3. Linear shaft consumption also has its limitations. The main one is that the impact load capacity of the linear bearing is poor, and the bearing capacity is also poor; there is also a large vibration and noise when the linear shaft moves at high speed, which are all problems faced by the industry. .
4. Linear aluminum extrusion rail have higher precision, larger load and stronger stability than linear bearings.
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Tel: 86-512-53640771
Fax: 86-512-53640769
E-mail：sales@alumag.com.cn(Domestic sales)
export@alumag.com.cn(Export)
Web:http://www.alumag.com.cn/
Address: No. 9, Xingang East Road, Liujiagang, Fuqiao Town, Taicang City, Jiangsu Province, China