What to do if you don’t understand the proper term of end mill?

There are all kinds of proper terms when buying end mills. As an old saying goes, a miller miss is as good as a thousand miles mile. Our as a supplier of carbide cutting tools, here to explain to you, the proper term of the end mill.

1.Flute

Flute is used to remove a large number of iron filings during cutting. This part has a great influence on the tool life. Therefore, the flute should be changed according to the processing conditions of the workpiece.

2.Gash

When cutting at the end of the tool, the iron chips cut at the end will be removed from the gash to prevent chip accumulation.

3.OD Relief

OD relief 1 is the cutting edge of the tool, which is used to cut off iron chips to meet the requirements of workpiece size. It has very high requirements for the smoothness and accuracy of grinding.

4.END Relief

END relief 1 is the main cutting edge of the cutting tools. It has very high requirements for the smoothness and accuracy of grinding.

5.Hell

Hell will vary depending on the angle of the helix. It usually varies according to the relief.

6.DC

DC is the main cutting edge when cutting tool end, so whether its chamfer is sharp or not is the key in cutting.

7.Helix angle

The helix angle is the angle between od relief and blade. The helix angle is related to the surface roughness of the workpiece after machining, so the design must correspond to the machining requirements.

Here I explain more shallow, you have any questions can directly click the green WhatsApp button in the lower right corner of the page to contact us.

Our has rich experience in carbide cutting tools, whether end mills or CNC inserts, we are widely loved by customers around the world. This is not only because of the stable quality of our products but also because our service is very considerate. We have a professional pre-sales team to solve all your purchasing problems. At the same time, we also provide perfect after-sales service to solve customers’ complaints in time and provide technical support for customers.

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