How to Cut a Radius on the Corner of a Part - Programming Technique
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- Опубліковано 6 січ 2022
- Situation: you need to cut a radius on a corner of a part but the corner rounding mill doesn't meet the part specs. What do you do? Here's a practical solution.
When jobs require producing a radius on the corner of a part, the typical and usually most efficient tool to get the job done is a corner radius forming tool (shorturl.at/goKLU). These tools work very well to cut down the edges of a part and are fairly inexpensive. However, they come with some limitations.
For the most part, they come in nominal sizes, so there might be situations when the size of the radius you need to cut won't match the size of the rounding tool. What happens then? You might choose to go with a custom ground tool, but that might not be the most efficient way to go about it.
Matt Schmelzer demonstrates how the job can be done using a ball nose end mill and walks us step-by-step through the programming technique involved in the process.
Drop any comments or questions down below in the comments section and don't forget to subscribe!
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Matt Schmelzer is the CNC instructor at Northeast Wisconsin Technical College. To learn more about the manufacturing programs at Northeast Wisconsin Technical College visit
www.nwtc.edu/academics/progra...
Follow Matt's machining program on Instagram here: / nwtc_cnc_machine_tool
Stay tuned for more videos!
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To see the code then see the run was amazing. Thanks for posting.
Sweet! I look forward to your next video! Thanks for sharing…
This was incredibly helpful.
Thank you!
Thanks for the tip..
nice video
Hey Matt good to see you infront of a camera. See you have an open house coming up might have to stop in for it.
Can you do this with a G41 and program the part edge rather than toolpath so it can be adjusted later? Would you consider the center of the ball for diameter and length?
That is neat.
fine could you please post the internal radius programing solution
Is there any place in a machine shop like this for a software engineer? I do mostly software but in my personal time I like to tinker with hardware and one of the things that really interest me is cnc machining. Would be cool to learn about these things while also working there.
You would need an apprenticeship in tool and die making or Machinist. You have to learn a LOT about how speeds and feeds work, the type of tooling, the metal you're working with, temps, etc. All that has to be learned on the floor, because it can't be replicated in pure software.
This was a great example of simple hand programming creating a nice adjustable tangent radius. Plus I love the double for cabinets with drawers. I wonder what brand those are.
Does the feed rate stay model in the sub program?
9:58 Beautiful
I hate to be that guy... but wouldn't it be easier just to CAM it up with a couple clicks?
For you, sure. Have you ever worked in a shop where there were more CNC technicians than CAM licenses? Lessons like this are helpful. I appreciate them taking the time to show us how it’s done!