Thread milling common problems and solutions

The following is a summary of some common problems and solutions in the thread milling process. The following are the four most prominent ones:

(1) Accelerated or excessive wear of thread cutters

1 Reason: The cutting speed and feed rate were not selected correctly. Remedy: Make sure to select the correct cutting speed and feed from the machining parameter table.

2 Reason: The tool is under excessive pressure. Solution: Reduce the amount of feed per tooth; shorten the time between tool changes; check for excessive tool wear - the thread at the start will wear the fastest.

3 Reasons: The coating used was incorrect and produced a built-up edge. Solution: Study the suitability of other coatings; increase the coolant flow rate and flow rate.

4 Reason: The spindle speed is too high. Solution: Reduce the spindle speed.

(2) cutting edge chipping

1 Reason: The cutting speed and feed rate were not selected correctly. Solution: Make sure to select the correct cutting speed and feed amount from the machining parameter table.

2 Reason: The thread cutter moves or slips on its holding device. Solution: Use hydraulic chucks.

3 Reasons: The rigidity of the processing machine is insufficient. Solution: Make sure that the workpiece is clamped reliably; if necessary, re-clamp the workpiece or increase the stability of the clamp.

4 Reason: Insufficient coolant pressure or flow. Solution: Increase the coolant flow rate and flow rate.

(3) Stairs appear on the thread profile

1 Reason: Feed rate is too high. Solution: Reduce the feed per tooth.

2 Reason: The ramp milling programming uses axial movement. Solution: Make sure that the thread milling cutter mills the profile at the large diameter of the thread without radial movement.

3 Reason: Excessive wear of the thread cutter. Solution: Reduce the tool change interval.

4 Reason: The tool machining area is too far away from the clamping area. Solution: Minimize the overhang of the tool on the holding device.

(4) There is a difference in test results between the workpiece and the workpiece

1 Reason: The tool machining area is too far away from the clamping area. Solution: Minimize the overhang of the tool on the holding device.

2 Reasons: The coating used was incorrect and produced a built-up edge. Solution: Study the suitability of other coatings; increase the coolant flow rate and flow rate.

3 Reason: Excessive wear of the thread cutter. Solution: Reduce the tool change interval.

4 Reason: The workpiece is displaced on the fixture. Solution: Make sure that the workpiece is clamped reliably; if necessary, re-clamp the workpiece or increase the stability of the clamp.

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ROM 16GB Internal Memory

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SD/TF card Two card slots

USB port One USB port

Camera One camera input (RCA port)

Microphone Built-in Microphone

GPS Receiver External GPS receiver

Bluetooth Built-in

WIFI Built-in

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Shenzhen Cartrend Technology Co, Ltd , https://www.cartrendthings.com