THK is a high-end enterprise in Japan, producing unique mechanical parts and developing linear motion (LM) guide rail technology, which is the technical symbol of the highest international standards.
Japan THK Company is committed to developing, producing and selling LM rolling guide, ball spline, ball screw and electric intelligent combination unit and other mechanical parts.
LM rolling guide is the main product of our company, and it is the first product in the world to put linear rolling parts into practical application. It is possible to develop high-speed machine tools with high precision, high rigidity, energy saving and long life.
The name "THK" of THK stands for "tenacity", "high quality" and "know-how". Our goal is to promote social progress and industry development by following these three principles in the process of technology development and product manufacturing.
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Life and production of THK;
1, basic dynamic rated load (C)
The basic dynamic rated load is a load of 50× 103 when a group of the same linear systems walk separately under the same conditions, and 90% will not cause material damage due to rolling fatigue.
2. Basic static rated load (Co)
The basic static rated load is the static load required to make the sum of the permanent deformation of the rolling element and the permanent deformation of the rolling surface on the contact part bearing the maximum stress 0.000 1 times the diameter of the rolling element.
Track width refers to the width of the slide rail. Rail width is one of the key factors to determine its load. Generally, the square track spot products of four-volleyball (some of them are two-volleyball) are 15, 20, 25(23), 30(28), 35(34), 45, 55(53), 65(63), and Japanese THK direct track futures products.
There are 3, 5, 7, 9, 12 and 15 specifications for the flat rail (micro-slide rail, basically two rows of balls), and each of the above six specifications has a wide specification (the width of the slide rail is twice that of the standard rail, and the mounting holes of 15 slide rail are two rows), and one is * * 65438+.
Baidu encyclopedia -THK