Unattended machining method for numerical control machining equipment

A technology of processing equipment and processing methods, applied in the direction of program control, computer control, comprehensive factory control, etc., can solve problems such as difficult to activate employees' labor enthusiasm and creativity, expensive production line construction, and large number of multi-shift personnel, etc., to achieve The effective running time of the equipment is extended, the processing time of the equipment is not enough, and the effect of product quality improvement

Pending Publication Date: 2021-02-02
XIAN AEROSPACE PROPULSION TESTING TECH RES INST
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AI Technical Summary

Problems solved by technology

Many people are in charge of the same CNC equipment in different shifts. Compared with normal shifts, there are more people in multi-shifts, which is extremely detrimental to employees' physical and mental health, and it is difficult to activate employees' labor enthusiasm and creativity.
Intelligent manufacturing is the development direction of many enterprises (workshops), but the introduction of intelligent manufacturing equipment or the construction of production lines is often expensive, and most enterprises cannot afford it

Method used

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  • Unattended machining method for numerical control machining equipment

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Embodiment Construction

[0012] Under normal circumstances, when CNC equipment is being processed, the operator is next to the equipment and is mainly responsible for real-time detection of part size, exception handling, coordinate system confirmation, tool maintenance, and equipment shutdown. For unattended operation, it is necessary to solve related operation and safety production problems through technical means, that is, the unattended processing mode needs to solve the continuity of production and the safety of processing process.

[0013] The continuity of production includes being able to set up the chuck at one time so that the CNC equipment has enough processing tasks at night, or use automated equipment to solve the loading and unloading of workpieces. When part of the process has a lot of processing content, for example, the processing time of a process is more than 8 hours, it is not necessary to load the parts frequently, and the parts can be loaded in the middle process by personnel; for ...

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Abstract

The invention provides an unattended machining method for numerical control machining equipment, which comprises the following steps of: before unattended machining, installing all parts in place, preparing a cutter of a machine tool, calling a numerical control program, and starting continuous production; monitoring the load condition in real time in the production process, and when the cutting load of a certain point of the part is larger than a threshold value, conducting shutdown; before part hole machining, measuring the length of a hole machining tool, and when the deviation between thelength of the tool and the tool length recorded by a system is larger than a set value, conducting shutdown; after part of the set part machining content is completed, using a measuring head in the machine tool for measuring the machining size concerned in the part, if the size exceeds a set value, conducting shutdown, and if the size is within the tolerance range but deviates from a median, conducting tool compensation, and ensuring the consistency of the machining size; and the process safety and the quality safety are guaranteed by monitoring the machining process, and if data monitoring inthe machining process is not abnormal, the machining program normally runs until machining is completed. The numerical control equipment is improved on the basis of existing numerical control equipment, and unattended machining of the numerical control equipment is achieved.

Description

technical field [0001] The invention relates to the technical field of unmanned numerical control machining, in particular to an unattended machining method for numerical control machining equipment. Background technique [0002] With the vigorous development of intelligent manufacturing, CNC machine tools are developing towards high speed, high efficiency and high precision, but the price of intelligent equipment or intelligent manufacturing production lines is often expensive. For most enterprises, unless they are used for the processing of specific products on specific occasions, otherwise Difficult to support investment in equipment or production lines. [0003] Many processing units are limited to the problems of labor costs, small batches and many varieties of products, and the operating rate and effective running time of CNC equipment are often insufficient. Prolonging the effective running time of CNC equipment is the best way to increase production capacity without...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/406G05B19/4065
CPCG05B19/406G05B19/4065Y02P90/02
Inventor 周峰田江涛陶俊强王亮李琪李艳郭天恩
Owner XIAN AEROSPACE PROPULSION TESTING TECH RES INST
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