Abstract: SIEMENS CNC system provides a complete tool type division standard, which is a new method for naming tools. It can represent the tool type, specific size and other items in the tool name. To improve the efficiency of the use of CNC machine tools opened the way.
Keywords: CNC machine tool naming
Denomination of CNC Machine Tools
LILi_li
(SJ Petroleum Machinery Co. Sinopec Corp. Jingzhou Hubei, 434024, China)
Abstract: SIEMENS CNC system provide integrated standard of tools category division, As a basis for the creation of a new method of naming tools, you can express the type , size and other specific projects in the tools' name. So there open a line of Thought to standardize the management of tools, and enhance efficiency in the use of CNC machine tools.
[Keywords] (CNC Machine ; Tools ; Denomination)
1 Introduction
When machining parts on CNC machine tools, many different types of CNC tools are needed. When the product structure is complicated or the variety of products to be processed is large, the number of programs and tools will increase greatly. Because the tool number does not have a uniform naming standard, most The company randomly names the tools, so if the programmer still programs according to the previous tool selection commands (such as T1 D1, T2 D1), the result is: 1. The operator may not be able to select according to the code such as T1 or T2. The tool corresponding to the program; 2. It is necessary to guess the tool represented by a tool selection instruction against the front and rear blocks, tool path and process flow; 3. Since the same tool number can represent different types and specifications of the tool, the system cannot Separating them, so once the operator mistakenly selects the tool, it will bring hidden dangers to the safety of the machine tool and the quality of the product; 4. It takes a long time to determine the model or size of a certain tool in the machine. Measure, check and find. Based on the above reasons, after analyzing the standards of tool classification in SIEMENS numerical control system, the following new method of tool naming is proposed, which solves how to organize the tool to make the tool access more convenient, how to schedule the tool to minimize the number of tool exchanges, and how to match The tool minimizes tool preparation time and maximizes utilization.
2 tool naming method
Group tools according to different tool types:
Category group 1 xxyyy (milling cutter):
110 spherical milling cutter (cylindrical milling cutter, the letter y after it represents the diameter of the milling cutter, the following is the same)
120 end mill
140 face milling cutter
150 disc milling cutter
Category group 2 xxyyy (bits)
200 twist drill (the letter y after it represents the drill diameter, the following is the same)
220 center drill bit
240 normal thread taps (the letter y after it can distinguish between coarse thread or fine thread)
250 reamer
Category group 3 xxyyy (sickle class)
300 double-edged rough boring knife (the letter y after it represents the diameter of the file, the following is the same)
320 single blade precision boring tool
Category group 4 xxyyy (reaming knife)
400 reaming knife (the letter y after it represents the diameter of the reaming knife, the following is the same)
Category group 5 xxyyy (turning knife):
500 rough turning tool (the letter y after it represents the value of the cutting edge arc, the following is the same)
510 precision turning tool
520 grooving knife (the letter y after it represents the width of the cutting edge, the following is the same)
530 cut off the turning tool
540 thread turning tool (the letter y after it can represent parameters such as coarse or fine thread)
Category group 7 xxyyy (special tool, after which the meaning of the letter y depends on the specific situation)
Examples are as follows:
T110010 denotes a spherical milling cutter with a diameter of 10 mm;
T200020 represents a twist drill with a diameter of 20 mm;
T300100 represents a double-edged rough boring tool with a diameter of 100 mm;
T400110 represents a reaming knives with a diameter of 110 mm;
T500008 indicates a rough turning tool with a cutting edge arc of R0.8 mm;
3 Conclusion
In this numbering method, the tool number itself contains the tool type, the specific model and the size, etc., so that the programmer and the operator can see the use of each tool at a glance, especially if the machine program is not finished. A unified numbering method can not only have a more intuitive understanding of the process of CNC machining, but also avoid quality accidents caused by incorrect use of tools; greatly reduce processing preparation time and improve production efficiency; at the same time, the company's tool management work is more standardized. Scientific, improve the automation level of tool management, achieve the purpose of rapid query and efficient use of tool resources, suitable for all kinds of CNC machine tools.
However, because the numerical control machine tools and tool types of different units are not the same, the above methods are still insufficient; here only a personal idea is proposed, and it is hoped that it can play a role in attracting jade, and if you are not correct, please ask the experts to criticize and correct .
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