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Linear Guideway With High Rigidity Aug 01, 2017

Linear rail, also known as line rails, slide rails, linear rails, linear rails, for linear reciprocating motion occasions, and can bear a certain amount of torque, in the case of high load to achieve high-precision linear motion. In the mainland called Linear Guide, Taiwan is generally called linear Guide, linear slide.

Classification: Divided into Square ball linear guide, Linear Rail two-axis core roller linear guide, single spindle core linear guide.

Function: The action of linear guideway motion is used to support and guide moving parts, and to do reciprocating linear motion in the given direction. According to the nature of friction, linear motion guide can be divided into sliding rails, rolling friction rails, flexible friction rails, fluid friction rails and other types. Linear bearings are mainly used in automation machinery more, Linear Rail such as German imports of machine tools, bending machine, laser welding machine and so on, of course, linear bearings and linear shaft is supporting. Like the linear Guide is mainly used in the higher accuracy of the mechanical structure, the linear guide of the moving elements and fixed components between the medium, and with the rolling steel ball.

Self-aligning ability:

The DF (45-°45) ° combination from the arc groove, at the time of installation, that is, the elastic deformation of the ball and the transfer of contact point, Linear Rail even if the installation of a number of deviations, can also be absorbed by the line rail slider, Linear Rail resulting in an automatic adjustment of the effect of the ability to achieve high-precision and stable smooth motion.

Interchangeability

Due to strict control of manufacturing accuracy, linear guide size can be maintained in a certain level, and the slider has a cage designed to prevent the loss of the ball, so part of the series of precision interchangeability, customers can order the guide or slider, can also be separated to save the guide rail and slider, to reduce storage space.

High rigidity in all directions

The characteristics of the linear guide. The linear guide is like a planar guide, with two basic elements, one as a fixed element and the other a moving component. Because the linear guide is a standard part, the Machine tool factory. The only way to do this is to process the parallelism of the plane and the alignment rails of a mounting rail. Of course, in order to ensure the accuracy of the machine, Linear Rail a small amount of bed or column scraping research is essential, in most cases, the installation is relatively simple. As a guide guide rail for hardened steel, after fine grinding placed on the installation plane. Compared with the plane guide, the geometric shape of the cross section of the Linear guide rail is more complicated than the plane guide, Linear Rail because it is necessary to process the groove on the guideway to facilitate the movement of the sliding element, the shape and quantity of the groove, depending on the function of the machine. For example: a rail system that bears both a linear force and an overturning moment, compared to a guide that only bears a straight line force. There is a big difference in design.

The basic function of the fixed element (Guide rail) of the linear guideway system is like the bearing ring, the bracket of the steel ball, and the shape "V". Linear Rail The bracket wraps the top and two sides of the guide rail. In order to support the working parts of the machine tool, a linear guideway has at least four brackets. For supporting large working parts, the number of stents can be more than four.

Linear Guide can be understood as a kind of rolling guidance, is the ball in the slider and the guide between the infinite rolling cycle, so that the load platform along the track easy high-precision linear motion, and the friction coefficient to the usual traditional sliding guidance of one-fiftieth, can easily reach a high positioning accuracy. The sliding block is designed with the terminal unit of the guide rail, Linear Rail so that the linear guide is subjected to the load of the upper and lower directions at the same time.

Slider-Moves the motion from a curve to a straight line. The new guideway system enables the machine tool to obtain the fast feed speed, in the case of the same spindle speed, Linear Rail the fast feed is the characteristic of the linear guide. The linear guide is like a planar guide, with two basic elements, one as a fixed element and the other a moving component. Because the linear guide is a standard part, the Machine tool factory. The only way to do this is to process the parallelism of the plane and the alignment rails of a mounting rail. Of course, in order to ensure the accuracy of the machine, a small amount of bed or column scraping research is essential, in most cases, Linear Rail the installation is relatively simple. As a guide guide rail for hardened steel, after fine grinding placed on the installation plane. Compared with the plane guide, the geometric shape of the cross section of the Linear guide rail is more complicated than the plane guide, because it is necessary to process the groove on the guideway to facilitate the movement of the sliding element, the shape and quantity of the groove, depending on the function of the machine. For example: a rail system that bears both a linear force and an overturning moment, compared to a guide that only bears a straight line force. Linear Rail There is a big difference in design.

The basic function of the fixed element (Guide rail) of the linear guideway system is like the bearing ring, the bracket of the steel ball, and the shape "V". The bracket wraps the top and two sides of the guide rail. In order to support the working parts of the machine tool, a linear guideway has at least four brackets. For supporting large working parts, the number of stents can be more than four.

When moving the working parts of the machine tool, the steel ball circulates in the bracket groove, and the wear amount of the bracket is distributed to each steel ball, thus prolonging the service life of the linear guideway. In order to eliminate the gap between the bracket and the guide rail, preload can improve the stability of the rail system, preload load. is to install a super size steel ball between the guide rail and the bracket. Steel ball diameter tolerance of ± 20 microns, with 0.5 microns as the increment, the steel Ball screening classification, respectively loaded on the guide rail, preload the size of the load, depending on the action on the Steel Ball force. If the force acting on the steel ball is too large, it is too long to withstand the preloading time, in order to improve the sensitivity of the system and reduce the movement resistance, it is necessary to reduce the preload, and in order to improve the accuracy and accuracy of the motion, it is necessary to have sufficient pre plus negative numbers.