The worktable of high-speed wire rail CNC vertical lathe needs to bear the workpiece and drive it to run together. Its bearing capacity and rotary accuracy undoubtedly affect the machining effect of the workpiece, and the support bearing under the worktable is the key to achieve all this.
The main shaft of the wire rail high-speed CNC vertical lathe is perpendicular to the horizontal plane. It is a circular worktable with large diameter, which is used for clamping workpieces and flexible manufacturing systems. This kind of machine tool is mainly used to process large complex parts with large radial size and relatively small axial size.
Cross tapered roller bearing is an innovative integrated bearing solution for the optimal design of CNC vertical lathe workbench. It can provide higher rotary accuracy and support rigidity, and save more design space and component materials.
CNC lathe is a CNC lathe that is specially designed in structure and equipped with a general CNC system according to the requirements of turning. The CNC system has strong functions, high automation and processing accuracy, and is suitable for turning general rotary parts. This CNC lathe can control two coordinate axes at the same time, namely X axis and Z axis.
The combination of axial bearing and radial bearing, as well as the dynamic and static bearing system. However, the limitations of these two layout forms in accuracy and speed make it difficult to meet the increasingly stringent processing requirements. In order to avoid the accuracy loss caused by the misalignment of the workbench, or the increase of machine tool volume and maintenance cost caused by the complex structure, the integrated bearing layout scheme is favored for its exquisite structure and high accuracy. The cross tapered roller bearing is just such an integrated bearing product with optimized design.
The cross tapered roller bearing has two rows of raceways and rollers, which are at right angles to each other. The rollers are staggered and opposite to each other. The cross section height of the bearing is similar to that of a single row bearing, but the overall effective span is greatly improved, so its ability to resist overturning moment is more prominent. At the same time, the compact bearing structure can shorten the length of the shaft, thereby reducing the impact of thermal expansion, and effectively saving processing costs for customers.
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