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Machining center operation skills is what?
Release Time:
Jan 16,2024
Machining center is composed of two parts: mechanical part and numerical control system, which represents the high development level of today's machine tool industry. Due to the continuous reduction of the price of machining center, it is no longer like the aristocratic equipment that only large enterprises can afford. Now there are one or two ordinary processing plants is nothing new.
Machining center is composed of two parts: mechanical part and numerical control system, which represents the high development level of today's machine tool industry. Due to the continuous reduction of the price of machining center, it is no longer like the aristocratic equipment that only large enterprises can afford. Now there are one or two ordinary processing plants is nothing new.
Machining center is a highly integrated CNC system equipment, high machining accuracy, fast processing efficiency has become an indisputable fact, but any processing equipment has its processing skills, machining center is not listed, this paper briefly introduces the machining center operation skills:
As a skilled operator, you must understand the requirements of the processing parts, the process route, the characteristics of the machine tool, before you can manipulate the machine to complete the processing tasks.
1) The fixture should have as few components as possible and high rigidity.
2) Ensure that the machining content of the workpiece is completed within the stroke range of the spindle.
3) For the contact between the bottom surface of the fixture and the worktable, the flatness of the bottom surface of the fixture must be within 0.01-0.02mm, and the surface roughness must not be greater than Ra3.2μm.
4) In order to ensure the consistency of the installation orientation of the parts and the direction of the workpiece coordinate system and the machine coordinate system selected in the programming, and the directional installation.
5) After a short period of disassembly, it can be changed into a fixture suitable for new workpiece. Since the auxiliary time of the machining center has been compressed very short, the loading and unloading of the supporting fixture cannot take up too much time.
6) For machining centers with interactive worktables, due to the movement, upper support, lower support and rotation of the worktable, the fixture design must prevent the space interference between the fixture and the machine tool.
7) The fixture should be opened as far as possible. The space position of the clamping element can be low or low. The installation fixture cannot interfere with the tool path of the work step.
8) Try to complete all the processing contents in one clamping. When it is necessary to replace the clamping point, pay special attention not to damage the positioning accuracy due to the replacement of the clamping point, and explain it in the process document if necessary.
9) In order to simplify the positioning and installation, each positioning surface of the fixture should have accurate coordinate dimensions relative to the machining origin of the machining center.
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