Taiwan Shangyin Rail HGW30CC - Dongguan Shangyin First level Agent. HGW30CC in stock, Dongguan Shangyin guide rail. There is no intermediate medium between the moving and fixed components of the silver guide rail HGW30CC, but rolling steel balls are used. Because rolling steel balls are suitable for high-speed motion, have low friction coefficients, and high sensitivity, they meet the working requirements of moving parts such as tool holders and drag plates in machine tools. The basic function of the fixed component (guide rail) of the linear guide rail HGW30CC system is like a bearing ring, a bracket for installing steel balls, and has a "v" shape. The bracket wraps around the top and two sides of the guide rail. In order to support the working components of the machine tool, a set of linear guide rails HGW30CC has at least four brackets. Used to support large working components, the number of brackets can exceed four. When the working parts of the machine tool move, the steel balls circulate in the groove of the support, distributing the wear of the support to each steel ball, thereby extending the service life of the linear guide rail. In order to eliminate the gap between the bracket and the guide rail HGW30CC, preloading can improve the stability of the guide rail system. To obtain preloading, oversized steel balls are installed between the guide rail HGW30CC and the bracket. The diameter tolerance of the steel ball is ± 20 microns, with increments of 0.5 microns. The steel balls are sorted and installed on the guide rail separately. The size of the preload depends on the force acting on the steel ball. If the force acting on the steel ball is too large, the steel ball will withstand the preload for too long, resulting in an increase in the resistance of the bracket movement. There is a balancing issue here; In order to improve the sensitivity of the system and reduce motion resistance, it is necessary to reduce the preload accordingly. However, in order to improve motion accuracy and accuracy retention, sufficient preload negative numbers are required, which are contradictory aspects. If the working time is too long, the steel balls begin to wear out, and the preload acting on the steel balls begins to weaken, resulting in a decrease in the precision of the machine tool's working parts. If you want to maintain the initial accuracy, you must replace the guide rail bracket, or even replace the guide rail. If the guide rail HGW30CC system has already been preloaded. The system accuracy has been lost, the only way is to replace the rolling elements. The design of the guide rail system aims to maximize the contact area between the fixed and moving components. This not only improves the system's load-bearing capacity, but also enables it to withstand the impact force generated by intermittent or gravity cutting, spreading the force widely and expanding the load-bearing area. In order to achieve this, there are various groove shapes for the guide rail system, with two representative ones. One is called the Gothic (pointed arch), which is an extension of a semicircle with the contact point as the vertex; Another type is circular arc shape, which can also serve the same purpose.