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Type: Posts; User: kevincnc

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  1. Replies
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    Re: How to keep Z axis down with VoluMill

    Thanks for the replies, and here is the answer. Set Floor Clearance in Volumill Settings to 0.
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    Re: How to keep Z axis down with VoluMill

    It wasn't a problem when I used HSM, but now using the built in Solidworks CAM, I can't find it.
    Thanks,
    Kevin
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    How to keep Z axis down with VoluMill

    Hi All,
    Is there a way to keep the z-axis from raising during the non-cutting positioning part of the cycle in Solidworks?
    Kevin
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    Re: My DIY CNC Slant Bed Lathe with Gang Tooling

    Here is the turret design. The last time I ran a lathe with a turret was an Emco 25 years ago in a college class, so have I practically no experience with them. After that, the only CNC lathe I've...
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    Re: My DIY CNC Slant Bed Lathe with Gang Tooling

    I hadn't planned on making a turret at first because I wasn't sure if I could make one that would be accurate enough. A Hirth coupling type seemed like it would be best, so I decided to see if I...
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    Re: My DIY CNC Slant Bed Lathe with Gang Tooling

    To answer a couple of Youtube questions:
    I used C series TA wipers from these guys- https://www.cqm-inc.com/uploads/1/5/9/4/15948660/cqm-wipers-2012.pdf
    Cost at this point is about $4k USD not...
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    Re: My CNC Mill build

    Looks like you're doing some nice work there. Before you get too much further you might want to consider cutting holes in your large tubes and filling them with some sort of epoxy-granite mix. I used...
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    Re: My DIY CNC Slant Bed Lathe with Gang Tooling

    Thanks Jim. Not a video but I attached some pictures of the back.

    Here is a quick video of rigid tapping-

    https://www.youtube.com/watch?v=rQeRpYsVtJw

    Since then I made a spindle nose...
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    Re: My DIY CNC Slant Bed Lathe with Gang Tooling

    Thanks, no plans for a turret at this time, but it would be a nice addition. Maybe in the future. I use DC servos and will add some details. The headstock came from a G9249. Send me a PM and we can...
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    Re: My DIY CNC Slant Bed Lathe with Gang Tooling

    Thanks, that's a 5C collet closer. Some day I'll make a pneumatic one and add a bar puller. Right now I still need to cut the drawbar tube shorter and re-thread it for collets, so only have the chuck...
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    Re: My DIY CNC Slant Bed Lathe with Gang Tooling

    Thanks guys,

    The bed, sides, back, and behind the bed are filled with a mix of epoxy and sand, with large river rocks to take up volume and save some money on the epoxy. I clamped down the bed to...
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    Re: My DIY CNC Slant Bed Lathe with Gang Tooling

    More-
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    Re: My DIY CNC Slant Bed Lathe with Gang Tooling

    More pictures, if anyone has questions let me know.
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    My DIY CNC Slant Bed Lathe with Gang Tooling

    Hi all,
    I've been building this at home for over a year, and thought I'd show progress here. It started with a Grizzly belt drive lathe that someone tipped over and busted up the front of the...
  15. Re: Epoxy-Granite machine bases (was Polymer concrete frame?)

    Well thanks to your comment I changed it up a little to allow for two doors, so thanks for that. The left door should still block coolant slinging off of the chuck if the right door is opened. I...
  16. Re: Epoxy-Granite machine bases (was Polymer concrete frame?)

    Thanks for the tip Danilom.

    Is my question just too stupid to ask here? Maybe someone can simply point me to a couple of relevant posts, I don't have time to read all 4900 of them in this thread.....
  17. Re: Epoxy-Granite machine bases (was Polymer concrete frame?)

    Hi all,
    I obtained a good headstock from a dropped 12X36 lathe and decided to build a CNC from stuff that I already had, which pretty much drove the design. I know it could be better, but it should...
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    Re: 4'x8' RouteBot

    Glad to help, my friend. Now let's see that thing make some sawdust!
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    Re: 4'x8' RouteBot

    Hi Arturo,
    It's Allen's machine across the country, I'm just trying to help. I already multiplied the CPR X 4 to get steps/rev in the calculations. How do you set step multiplication in the drives? ...
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    Re: 4'x8' RouteBot

    Okay guys this is driving me nuts so I am going to hijack Allen's thread. About a year ago I built a small router with the same AMT encoders, and had no problem calculating the steps/in.

    Allen...
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    Re: 4'x8' RouteBot

    Another way if it's easier- You already have 6 inputs with the two C27's that connect your limits and touch plate. You could put your pendant on the RJ45-11 with Port 2 pins when you're ready.

    By...
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    Re: 4'x8' RouteBot

    On the RJ45 that you plugged in you sensor breakout C27, it looks you only have Port 1 pins 11,12,13, and 15. The one next to it only has port 1 pin 10, and port 2 pin 11. I would either wire you...
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    Re: 4'x8' RouteBot

    It will never work, especially if you got any mechanical advice from anyone here.

    Your best bet is to pack it up and ship it freight prepaid to my house. I'll see what I can do with that...
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    Re: Mini CNC Router progress pictures

    Well it's finally running. It may be my oldest project ever to get finished. A friend at work is buying it from me to make guitar pick guards that he got a patent on. The video shows a small one in...
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    Re: My 2nd 3 axis CNC Router build

    Nice renderings also. What program did you model it in?
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    Re: My 2nd 3 axis CNC Router build

    Looks Great!
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    Re: Mini CNC Router progress pictures

    Thanks guys. It's finally going to get finished! A friend at work is in need of a small machine, so I'm helping him finish this. I put an ER-11 collet holder on the spindle along with new bearings...
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    Re: Cheap 1500W Chinese spindle, experiences?

    CNC4PC.COM usually stocks them I believe.
    Kevin
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    Re: Water cooled Chinese spindle disassembly

    The only other place I could see it leaking from would be between the aluminum core and the stainless outer sleeve, in which case the spray gasket might keep water from getting into the windings. I...
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    Nice progress! I haven't checked in here for a...

    Nice progress! I haven't checked in here for a while, now I need to keep an eye on you to make sure I get mine done first ;)
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