canned cycle turning cnc examples

cncpartsonline
2 min readJun 12, 2023

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Canned cycle turning is a method in CNC machining, which is suitable for machining simple shaft parts that do not require high precision.

The following is an example of fixed cycle turning CNC:

1. Set the zero point. After the workpiece is clamped on the lathe, use a height gauge or other measuring tools to measure the height of the top of the workpiece, and find the coordinates in the X and Z directions as the machining zero point.

2. Write the processing program. Carry out operations such as turning and hole machining as required, and write NC machining programs. The spindle speed, feed speed and other parameters can be adjusted according to different cutting conditions.

3. Load the processing program. Load the prepared machining program into the CNC system through U disk or other means.

4. Debug the device. Before processing, equipment debugging is also required. Including manually running each coordinate axis, checking whether each axis is running normally, and whether the action when feeding the cutting tool is correct, etc.

5. Start processing. After the commissioning is completed, the canned cycle turning process can be started. During the processing, the processing status can be observed, manual intervention and adjustment can be performed as needed, and the workpiece quality can be inspected after the processing is completed.

It should be noted that fixed cycle turning is suitable for processing occasions that do not require high precision, as well as mass production. If the precision or surface finish of the part is high, it is recommended to use other CNC machining methods.

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