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best and neatest way to machine a top face half round radial edge on a milling machine

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Message 1 of 5
safiredesignengineers
115 Views, 4 Replies

best and neatest way to machine a top face half round radial edge on a milling machine

 

Hi Group

see image below marked with a red line for reference.

 

what would be the best and neatest way to machine a top-face half-round radial edge on a milling machine?

I either want to use an end mill, an end mill with small corner rads, or a ball nose cutter.
note due to the inner groove and sharp inner corners, i think an end mill might be best and then run a 3d path to follow the rad?
but I could follow after with a ball mill to get as far as possible without touching the groove base to smooth out any steps.

But what tool path strategy should I use, as so far I can't get what I want working..

 

A

 

 

edge profile.jpg

4 REPLIES 4
Message 2 of 5

1) 2D Contour and Flat Endmill to machine the groove

2) Mid-sized ball endmill to rough off the radii, leaving a bit of material for..

3) Appropriate sized endmill to finish the radius, probably a Scallop or similar toolpath

3a) If it's an actual 180 radius and application allows for it, you could also use a corner rounding tool, but it's a fine line of trouble for getting a perfect blend


Seth Madore
Customer Advocacy Manager - Manufacturing
Message 3 of 5

Hi Seth

 

thank you, I tried Scallop but I could not select the face.
now you said this is the way to do it, I looked deeper and I found I could select the 2 contours as chains which seems to work.
is it not possible to select the face contours for this type of machining?

A

Message 4 of 5

You can actually just select "touch faces" and not make any selection. That said, it tends to be a bit fragmented at the edges when you use that method.


Seth Madore
Customer Advocacy Manager - Manufacturing
Message 5 of 5

thankyou Seth

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