Shenzhen precision machinery parts processing box parts processing points of the body parts processing generally adopt milling machine processing, for complex cavity bottom and contour flat face department of precision machinery parts processing, we use numerical control milling machine processing, also known as a machining
Its technological process and numerical control lathe establishment principles are basically the same process.
Precision machinery parts processing enterprises in the establishment process, main is to consider two aspects of machining precision and efficiency.
The accuracy of precision metal processing must meet the requirements of customers to our drawings, at the same time can fully exert the function of the machine reasonably, in the same surface processing, should be divided into the machining process, according to the first rough after fine processing order, roughing in ordinary machine tool is completed, finishing on nc machine tools.
Artifacts should be appropriate to reduce speed when rough machining, finish machining when increasing the speed.
When drawing design and machining precision location accuracy and repositioning precision machine tool positioning accuracy and connect with close, can be adopted according to the principle of the same dimension benchmark for centralized processing.
With cavity of precision machinery parts processing, processing and there was a hole can be boring after milling pin first, because the milling cutting force is big, easy to deformation of workpiece, adopt the method of first after milling boring, can make the artifacts for a time of stress release, reduce the influence of deformation on the precision metal processing accuracy.
Conversely, if the first after the boring and milling, can produce burr, flash at the orifice, thus affecting the accuracy of hole.
In hole machining, the tool path and main consideration: 1.
Positioning to rapidly and cutting tools as much as possible to shorten the time from the blank line.
Positioning accuracy, when the position accuracy of holes is high, especially when machine tool feed system with clearance, paying special attention to the arrangement of hole processing order, such as unreasonable arrangements, it may be introduced mechanical feed system of reverse clearance, directly affect the location accuracy.
In order to eliminate backlash, in hole machining, can arrange the cutting tool moving along a certain direction to the starting point, can make the precision machinery parts processing, so to avoid the introduction of the reverse clearance.
In order to reduce the influence of processing in the repeat position error, must be a good positioning, continuous change in sequence processing, complete with the shaft hole processing, and then other coordinates of the hole, in order to improve the hole system alignment.
In the process of precision metal processing, should be the same as far as possible for the method of centralized processing, as far as possible to the nearest processing, to shorten the motion (migration) distance of the cutting tool, reduce the running time, as far as possible to complete the same by the same cutting tool processing station, in the process of a clamping, as far as possible to complete more surface or mold processing.
The above information is derived from the shenzhen Xavier CNC precision machining manufacturer company.
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