Better understanding of thread milling cutters

1. Stability of processing
When machining difficult to machine materials such as titanium alloys, high-temperature alloys, and high hardness materials, the tap often twists or even breaks in the parts due to the excessive cutting force.Removing a broken tap is not only time-consuming and labor-intensive, but may also damage the parts. To solve this problem, we can use Thread milling cutter .Due to the gradual insertion of thread end mill into the material, the cutting force it generates is relatively small and there is rarely a possibility of tool breakage, resulting in powder like chips. Even in the event of a broken blade, due to the thread mills having a much smaller diameter than the threaded hole, the broken part can be easily removed from the part without damaging it.


2. Diversification of processed materials
The excellent cutting conditions enable thread mills to process a wide range of materials, even high hardness steels such as HRC65 °, titanium alloys, and nickel based alloys, which can be easily processed. When machining difficult to machine materials, thread milling provides a simple way to process threads, otherwise tapping would be difficult to machine.
3. High thread processing accuracy
Thread milling is mostly high-speed and efficient cutting, with powder shaped chips and no entanglement. Therefore, both the machining accuracy and surface finish are much higher than other thread processing methods.
4. Widely used
The same tool can be used for right/left thread processing. As long as the pitch is the same, threads of different diameters can be manufactured using the same tool. The same thread end mill can be used for blind and through holes. W. BSPT, PG, NPT, NPTF, and NPSF can use the same milling cutter for both external and internal threads.

5. Advantages of processing blind holes
Processing blind holes: When milling threads, you will obtain a complete thread contour to the bottom of the hole. When tapping a tap, it needs to be drilled deeper because the tap cannot form a complete thread contour until the third tooth. Therefore, with thread milling cutter, you don’t need to consider changing the structure to deepen the hole.

36. Reduce spindle loss of machine tools
Compared to using a tap for thread processing, thread milling does not require emergency stops and reversals at the bottom of the spindle, greatly improving the service life of the machine tool spindle.
7. High processing efficiency
We use thread mills, which not only have a high milling speed, but also have a multi slot design that increases the number of cutting edges, making it easy to increase the feed speed, thereby greatly improving machining efficiency.
8. High efficiency of deburring
OPT PCD thread milling cutter, thread processing and deburring processing are completed in one tool. No need to spend more time on deburring while saving labor costs.

9. Low processing cost
The thread milling cutter is flexible in use and can be suitable for various working conditions.

We can use the same thread milling cutter to process left-hand threads or right-hand threads; It can process both external and internal threads. All this just requires adjusting the interpolation program. Using a tap for machining, if there are multiple threaded holes with different diameters but the same pitch on the part, different diameter taps are required. This not only requires a large number of taps but also requires a longer tool change time.

To ensure thread accuracy, different types of taps are required when machining different materials with taps. However, there is no such limitation when using thread milling cutters.


Post time: Jun-06-2023