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What is the function of a CNC gantry machining center?
Date:
2023-02-27 13:17
CNC gantry machining centers are generally developed on the basis of milling machines, so they can be called gantry milling machine machining centers, which are commonly known as gantry machining centers. Gantry machining center is one of the most widely used CNC machine tools in the world, with high output, its main features are as follows:
1. On the basis of CNC boring machine or CNC milling machine, a self-exchange tool device is added, so that the workpiece can complete the multi-process processing of the workpiece surface sequentially after one clamping.
2. There is usually an automatic indexing rotary table or spindle box, so that the workpiece automatically rotates after clamping once, so as to automatically complete the multi-process processing of multiple planes or multiple angle positions.
3. The CNC gantry machining center can automatically change the speed of the machine tool spindle, the feed and the motion path of the tool relative to the workpiece and other auxiliary functions.
4. If the machining center has an exchange table, when the workpiece is processed on the workbench in the working position, other workpieces are unloaded in the workbench in the loading and unloading position, which does not affect the normal processing of the workpiece.
The above are the common main functions of CNC gantry machining centers. Starting from the characteristics of CNC gantry machining center, its operation process is introduced in detail.
1. Implement the fixed personnel mechanism, and require the operator to operate the equipment with the operation certificate. When large equipment is operated by multiple people, a professional commander is required.
2. The operator should be familiar with the main technical performance, structure, management content and good standards of the equipment used.
3. Preliminary work preparation:
A. Check the transmission system, operating system, lubrication system, pneumatic system, starting position of various switches, safety brake protection device, power regulation system and electrical description of equipment. These systems need to be accurate, sensitive, stable, and complete. Fasteners and connectors must not be loose.
B. Add lubricating oil according to the equipment lubrication diagram.
C. Manually adjust the spindle and each servo axis at low speed.
D. According to the part processing program table, it is necessary to confirm whether the tool compensation value and zero offset position are correct in the storage table of the NC system, and call the tool compensation value and zero offset value to confirm whether they are correct.
E. When using paper tape input, check whether the paper in use is damaged and whether the photoelectric reader is normal.
F. The specification for the use of fastener T-bolts should be consistent with the specifications of the T-slot of the equipment table. When working in groups, apply appropriate force. It is forbidden to apply force to the correct part of the device.
G. Please confirm that you have followed the precautions specified in the machine usage guide.
4. Pre-work inspection items after the start of CNC gantry machining center:
After pressing the NC device power start key "ON", the CRT monitor will display the initial position coordinates of the machine. Check the entire pressure gauge mounted on top of the machine. If the joint reading is "4MPa", it means that the system pressure is normal and formal operation is possible.
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