What are the factors that affect the accuracy of CNC vertical machining centers?

Spindle bearing is a key component of the vertical CNC machining center of CNC machine tool. The key to the precision of spindle bearing lies in the manufacturing, assembly line and adjustment precision of spindle bearing, rolling bearing, cover hole, etc. In addition, the durability of the spindle bearing must be fully considered in the design of the spindle bearing. The durability depends on many factors, but the key lies in the static bending stiffness, quality and vibration reduction of the spindle bearing components.

Factors that harm the precision of CNC machine tools and vertical CNC machining centers

In the whole process of CNC machine tool vertical CNC machining center production and processing, it is inevitable to encounter high temperature conditions. High temperature conditions will cause thermal expansion and contraction effects. Therefore, the thermal expansion and thermal expansion of spindle bearings must be fully considered when handling high temperatures. temperature. The key lies in the actual effect of lubrication and the actual effect of heat pipe heat dissipation of the spindle bearing components. In addition, the element of the spindle bearing that must be considered is the wear resistance. The key to the wear resistance lies in the spindle bearing raw materials and quenching and tempering treatment regulations.

The rolling bearing of the spindle bearing in the vertical CNC machining center immediately endangers the precision of the CNC lathe for the production and processing of steel parts, so the selection and design of the rolling bearing of the spindle bearing cannot be ignored. Common rolling bearings in CNC lathes include roller bearings and rolling bearings. Both types of rolling bearings can be considered for rotation precision requirements. The frictional resistance of roller bearings is small, which is beneficial to reduce heat. In addition, the lubrication of roller bearings is very easy. Therefore, the machine tool spindle bearing adopts roller bearings.

The vertical CNC machining center of the CNC machine tool uses three sets of angular contact bearings close to the top of the spindle bearing for the development of the spindle bearing. The precision of the pieces.