What application characteristics do vertical machining centers need to master?
Vertical machining centers play a very important role in our practical operation. What are the application points of vertical machining centers in our application? The editor leads us to understand what application characteristics should be mastered in the application of vertical machining centers.
1. Higher static and dynamic style
Vertical machining centers are expensive, and the cost of losses during the machining process is much higher than traditional machine tools, which requires machine tools to greatly shorten machining time. Currently, there are two methods to solve this problem. One is that the development and transformation of tool materials have increased cutting speed, doubling cutting time; The second is to adopt an automatic tool changing system to achieve fast tool changing and clamping effects. The adoption of these measures greatly improves production efficiency and enables machine tool owners to obtain good economic benefits.
2. Better static stiffness
For vertical machining centers, the structural stiffness of its components such as bed, worktable, spindle box, guide rail, etc. is closely related to the accuracy of the machine tool. Therefore, these factors require the machine tool to have relatively high static stiffness. During the cutting process, vibration is inevitable, which affects the machining accuracy and surface quality, and also reduces the tool life, which has a significant impact on production efficiency. However, all machining centers need to work continuously for a long time, and it is impossible to eliminate and reduce vibration through human intervention and adjustment during the machining process. Therefore, it is necessary to improve the dynamic stiffness of the machine tool.
3. Less thermal deformation
When cutting, machine tools inevitably generate heat, which has adverse effects on the machine tool and causes varying degrees of thermal deformation in different parts of the machine tool, affecting the accuracy of the processed product. How to reduce the impact of slow heating on the accuracy of the processed product is a problem that must be considered. Currently, we can improve the structure of the machine tool to make the invisible thermal deformation of the machine tool deform in a controllable direction. For example, the column of the horizontal machining center adopts a frame type double column structure, which is symmetrical left and right. The thermal deformation will translate the main axis in the upward direction, and can be compensated by coordinate correction to reduce heat generation and separate the heat source from the main machine as much as possible.
4. The friction between moving parts is small, and the clearance between the transmission system is eliminated
The movement of the machine tool platform is measured in units of pulse equivalent z. When performing tool alignment or other low-speed operations, the platform is required to accurately respond to the commands issued by the CNC system, which are related to the frictional force of the moving parts. Using rolling guides, under the action of lubricating oil, the frictional force between them will decrease with the increase of movement speed, effectively avoiding the phenomenon of low-speed crawling.
So in the application of our vertical machining center, mastering these application characteristics is very important for our use, which can help us use it better.
That's all for today's explanation. Thank you for watching. If you need to purchase vertical machining center equipment, you can contact our manufacturer.
