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Have you encountered any of these problems in CNC machining?

I. Overcutting of workpieces

The reasons are as follows.

1, pop knife, tool strength is not long enough or too small, resulting in tool pop knife.

2, operator improper operation.

3, cutting allowance is not uniform.

Methods are as follows.

1, the principle of using the knife: can be large, not small, can be short not long.

2, add clear angle program, the margin as much as possible to stay even.

3, reasonable adjustment of cutting parameters, the margin of large corners to repair round.

4, the use of machine tool SF function, the operator fine-tune the speed of the machine tool cutting to achieve the best results.

III. Tool setting

The reasons are as follows.

1、Inaccurate manual operation by the operator, manual operation number is wrong.

2、Mistake in tool clamping.

3、The blade on the flying knife is wrong.

4, R knife and flat bottom knife and flying knife error between.

Methods are as follows.

1、Manual operation should be repeatedly double-checked, the knife as far as possible in the same point.

2, tool clamping with air gun blowing clean or rag wipe clean.

3, flying knife on the blade to measure the tool bar, light bottom surface available a blade.

4, a separate knife program, can avoid the error between the R knife flat knife flying knife.

IV. Programming aspects of the crash

The causes are as follows.

1、Insufficient safety height or not set.

2、The tool on the program list and the actual program tool are wrongly written.

3、The tool length (edge length) on the program list and the actual depth of machining are wrongly written.

4、The wrong number of depth Z-axis on the program list and the actual Z-axis.

5、The wrong coordinates are set during programming.

The methods are as follows.

1, the height of the workpiece is accurately measured to ensure that the safety height is above the workpiece.

2、The tool on the program list and the actual program tool should be the same.

3、Measure the actual depth of machining on the workpiece and write down the length and edge length of the tool on the program sheet.

4、Take the actual Z-axis on the workpiece and write it down clearly on the program sheet.

V. Operator side of the collision

The causes are as follows.

1、Depth Z-axis tool alignment error.

2、The number of touch and manipulation error in the division.

3, with the wrong knife (such as: D4 knife with D10 knife to process).

4, the wrong program to go (such as: A7.NC go A9.NC).

5、The hand wheel is shaken in the wrong direction during manual operation.

6, manual rapid feed when pressed in the wrong direction (such as: -X press +X).

Methods are as follows.

1, depth Z-axis tooling must pay attention to what position on the tool.

2, divide the number of touches and manipulate the number to be repeatedly checked after completion.

3, when clamping the tool should be repeatedly and the program list and the program cross-checked after the installation.

4、Procedures should be followed one by one in order.

5、When using manual operation, the operator himself should strengthen the proficiency of machine tool operation.

6、When moving manually and quickly, the Z-axis can be raised to the top of the workpiece before moving.



Contact: Jacky Wang

Phone: +86 14714816052

Tel: +86 14714816052

Email: jacky@cncnctools.com

Add: Floor 1, Shixi Industrial area, Canton, Guangdong, China. 510288

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