Making Pockets Dished

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Hali
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Model of CNC Machine: Shark II/Aspire

Making Pockets Dished

Post by Hali »

Hello All,

Does anyone have any tips for making pockets dished or sloped on one end?

I am trying to create a rummoli board and want to be able to pull dimes out easily.

Cheers

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FixitMike
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Re: Making Pockets Dished

Post by FixitMike »

Use a number of parallel fluting toolpaths. I use an end mill and space the guide vectors at 1/4 of the end mill diameter. Note that the cut will extend past the vectors by the radius of the tool.
box.PNG
One could also use the moulding toolpath.
A 3D model will also work, but will take the longest to cut. You may find one in the ClipArt Tabs.
Good judgement comes from experience.
Experience comes from bad judgement.

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highpockets
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Re: Making Pockets Dished

Post by highpockets »

Without creating a model or using one of the existing models you can all so use the Moulding Toolpath.
John
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FixitMike
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Re: Making Pockets Dished

Post by FixitMike »

The fluting method can be further refined to reduce cutting time if the tool can't cut full depth with a single pass.
1. Observe the Preview to see where the first cut is.
2. Select that vector and calculate a fluting toolpath with the tool pass depth set to suit the end mill used so it makes multiple passes to get to full depth. Optional: Use the next vector over for the initial toolpath.
3. Calculate a fluting toolpath will all vectors selected and the tool pass depth changed to exceed the full depth. These passes will cut only into one side (at the vector spacing), so they can be full depth.
4. Run the toolpaths in order. Check first with a Preview to make sure the passes are in order. Save both toolpaths to one file.

(An air cut on the machine is always advisable to check that the toolpath does what you think it is doing.)
Good judgement comes from experience.
Experience comes from bad judgement.

Hali
Posts: 14
Joined: Fri Oct 05, 2018 1:29 am
Model of CNC Machine: Shark II/Aspire

Re: Making Pockets Dished

Post by Hali »

Thanks for the advise gentlemen, I will have to keep trying your recommendations.

I would have used the dished ones in clip art but my shapes are irregular shaped. I don't think you can alter the shapes in clip art

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martin54
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Re: Making Pockets Dished

Post by martin54 »

Hali wrote:
Fri Nov 20, 2020 10:52 pm
Thanks for the advise gentlemen, I will have to keep trying your recommendations.

I would have used the dished ones in clip art but my shapes are irregular shaped. I don't think you can alter the shapes in clip art
You can alter them to some extent but probably not in the way you might want to. You may also be able to make some use of the dished clipart by using vector boundaries for machining & using your irregular shapes to define the machining areas :lol: :lol:

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highpockets
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Re: Making Pockets Dished

Post by highpockets »

Hali wrote:
Fri Nov 20, 2020 10:52 pm
Thanks for the advise gentlemen, I will have to keep trying your recommendations.

I would have used the dished ones in clip art but my shapes are irregular shaped. I don't think you can alter the shapes in clip art
What's the shape you're looking to produce?
John
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Hali
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Model of CNC Machine: Shark II/Aspire

Re: Making Pockets Dished

Post by Hali »

2020-11-20 (1).png

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highpockets
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Re: Making Pockets Dished

Post by highpockets »

Hali wrote:
Sat Nov 21, 2020 2:03 am
2020-11-20 (1).png
Does each pocket require the slope and if so which side of the pocket? Or is just the center hole?
John
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Hali
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Model of CNC Machine: Shark II/Aspire

Re: Making Pockets Dished

Post by Hali »

Yes, I am trying to have each pocket slope to the outside of board. The center is also, but I was able to use a simple dish for that from clipart

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highpockets
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Re: Making Pockets Dished

Post by highpockets »

Could all sides be rounded?
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Image 965.png
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Hali
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Re: Making Pockets Dished

Post by Hali »

Yes, I think that would work. Did you use the molding toolpath to create that ?

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highpockets
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Re: Making Pockets Dished

Post by highpockets »

Yes I used the Moulding Toolpath.

I created the final shape, created an Offset inward, created a profile then used the Offset as the rail and selected the profile. Then used the Offset again and created a Pocket Toolpath to clear out the reminder.
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Image 967.png
Image 968.png
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John
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Hali
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Re: Making Pockets Dished

Post by Hali »

Thank you for that, This is my first time using the molding toolpath. I really appreciate the help.

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highpockets
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Re: Making Pockets Dished

Post by highpockets »

Happy to help....
John
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