The machining center is a high-precision and high-efficiency integrated processing equipment. It can complete various processes such as drilling, milling, boring, expanding, reaming, rigid tapping and other complex parts through one clamping, thereby greatly improving the processing efficiency. The importance of processing efficiency is self-evident for both the factory floor and the operator. So what are the ways to improve processing efficiency?
The high-efficiency processing of CNC machining center is mainly manifested in the processing of multiple product workpieces at one time. In this way, it is possible to handle large quantities of orders with ease. One-time CNC machining is composed of programming, roughing, finishing and detail processing. Taking common steel milling as an example, except for the pre-programming, the entire machining process takes about ten minutes. A considerable part of this time is spent on tool changing and clamping. If a large number of workpieces are processed and the tools are replaced and the workpieces are clamped one by one, the process is cumbersome and the work load is increased. It also wastes working time and reduces the output value of the factory floor.
It is quite necessary to improve work efficiency. All this must start with the concept of output value. Only when the output value of a processing-type enterprise increases, can the wages and salaries of employees increase, can the turnover of personnel be reduced, and the stability of personnel can develop better. Therefore, for the metal processing industry, only by improving work efficiency is the basis for continuous improvement of business capabilities.
The realization of processing multiple parts at a time requires training expertise to reduce the risk of machines, tools and personnel during the processing. It is necessary to optimize the clamping method to reduce the labor intensity of workers and increase the necessary error prevention steps. Take the time to confirm the safety of the machine, tools and programs. By calculating the processing time of the entire process, a more suitable clamping method is selected. By processing multiple parts at once to extend the cycle time of the program. Improve the utilization rate of the machine.
From the perspective of the operator, there are aspects that need to be paid attention to when processing multiple parts at a time. Use internal subroutines that are easier to track; distinguish the workpiece coordinates corresponding to different workpieces for easy correction; after changing the tool, be sure to remember to re Knife, and input the measured value into the corresponding position. Also, pay attention to the timely addition of coolant and rail oil, and the air compressor should be maintained in time.
In terms of machining programming, it is possible to incrementally call subprograms. Taking the Fanuc system as an example, the Fanuc system can be set with the G52 local coordinate system. You can specify any point of the G54 coordinate system as the origin of processing. Use the G54 coordinate to run to the origin of each workpiece. Use G52 to define the current point as the origin of the program. In a program, you can use the variable look-up table to cycle one by one, just remember to restore the G54 coordinates to a unified value after the program is completed and before the program starts, otherwise the program will make an error.
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