4TH AXES

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lloydca
Posts: 12
Joined: Sun Jul 15, 2018 12:53 am
Model of CNC Machine: LT-6090 cnc router

4TH AXES

Post by lloydca »

Hello everyone,
Brand new to the forum. Just got my first CNC router and it's up and running, thanks in large part to Vectric. Awesome product BTW. I'm looking for help setting up the 4th axes rotary. Not sure what the best way to figure the travel when tuning the motor using MACH3. I'm thinking the travel distance is in MM, but not sure what the easy way to measure this is. Maybe attache something to the chuck divided up in MM. Anyway thought I would ask before trying to reinvent the wheel, so to speak.

Look forward to talking to all of you and sharing the CNC experience.

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Martin Reid
Vectric Apprentice
Posts: 93
Joined: Wed May 18, 2016 6:00 pm
Model of CNC Machine: Shopbot
Location: Lancashire UK
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Re: 4TH AXES

Post by Martin Reid »

Dear lloydca

Welcome, I notice not much response to your first post! Don't lose heart it's probably the holidays.

I don't have a rotary 4th axis on our Shopbot PRS Alpha. (I'd love one if anyone in the UK want to donate it). But I have noticed the Vectric Tutorial Video..

Rotary Machining 2D and 2.5D
http://support.vectric.com/tutorials/V9 ... ideo_id=45

This gives links to Related Videos
Rotary Machining 3D - 3D Toolpaths
Import and Unwrap Rotary 3D Model - 3D Toolpaths

Maybe these will give you some pointers.

I'm watching with interest
Sincerely and in good faith
Martin

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Adrian
Vectric Archimage
Posts: 14544
Joined: Thu Nov 23, 2006 2:19 pm
Model of CNC Machine: ShopBot PRS Alpha 96x48
Location: Surrey, UK

Re: 4TH AXES

Post by Adrian »

There is a dedicated forum section for rotary machining (http://forum.vectric.com/viewforum.php?f=38) there might be some information in there.

ger21
Vectric Wizard
Posts: 1592
Joined: Sun Sep 16, 2007 2:59 pm
Model of CNC Machine: Custom DIY
Location: Lake St Clair, MI, USA
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Re: 4TH AXES

Post by ger21 »

Not sure what the best way to figure the travel when tuning the motor using MACH3. I'm thinking the travel distance is in MM, but not sure what the easy way to measure this is.
It's steps/degree.

Put a mark on the spindle, and MDI this.

G0 A3600.

That should spin 10 times. Any deviation from your mark would be 10x the error.
Gerry - http://www.thecncwoodworker.com

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