Do You Know The Types And Fixing Methods Of Vertical Lathes?

CNC vertical lathe is a high-precision and high-efficiency metal processing equipment. It is usually used to process complex structural parts, such as gears, threads, hubs, etc. It has the advantages of high processing accuracy and high manufacturing efficiency. The fixation method of the lathe is directly related to the stability and processing accuracy of the lathe.
CNC vertical lathes generally have three fixing methods, namely plate fixing, hard seat fixing and soft seat fixing. They are introduced below:
1. Plate fixing: Plate fixing uses the contact surface of the support plate between the workpiece and the machine tool to fix the workpiece. The workpiece is fixed on the support plate. The support plate is fixed in the slot of the machine bed, and then the workpiece is processed. Plate fixation is suitable for processing medium and large workpieces. Its advantages are firm fixation and stable processing. However, the disadvantage is that it occupies a large amount of processing space and requires high rigidity of the machine tool.
2. Hard seat fixation: Hard seat fixation refers to using a hard seat to clamp the workpiece in a CNC vertical lathe. One side is the bed and the other side is the hard seat. During processing, the workpiece is pressed at the cornered part of the tool, and the installation error of the workpiece is coordinated through the compensation device on the workbench. The fixing effect is good and the processing accuracy is high.
3. Soft seat fixation: Soft seat fixation uses a soft seat to clamp the workpiece in a CNC vertical lathe. The soft seat can disperse stress on the workpiece, thereby ensuring machining accuracy. Since the soft seat has a buffering effect, it can reduce damage to the surface of the workpiece, and is suitable for processing workpieces with high surface roughness and complex shapes. The disadvantage of soft seat fixation is that the fixing force is very small and cannot be used to process heavy-loaded workpieces.
The above three fixing methods each have their own advantages and disadvantages in practical applications. The appropriate fixing method can be selected according to the size, shape and processing requirements of the workpiece. No matter which fixing method is used, attention should be paid to the stability of the lathe and workpiece during processing.