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Type: Posts; User: philba

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  1. Replies
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    Re: Top 11 CNC Routers 2020!?

    Well, unusable is kind of a judgement term. One can do a number of things with those machines though it requires some care and experimentation. Slow and shallow is the name of the game with those...
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    Re: Top 11 CNC Routers 2020!?

    A router with round linear rails and a 300mm x 180mm work area is the number one router for 2020? Are small size and most flex the criteria? At least it doesn't use a pirated version of mach3.
    ...
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    Re: Small Desktop Router for Leather Molds

    I think you have the right attitude. In the CNC world, you will always find a wide range of opinion from "utter rubbish" to "gee whiz" about any machine or process. The reality is that even the worst...
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    Re: Small Desktop Router for Leather Molds

    I'm pretty torn on this topic. One side says pretty much what you said. Lots of people buy these cheap chinese machines only to discover a fair amount of work to get them going and even then they...
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    Re: Small Desktop Router for Leather Molds

    Congrats.

    Reversed direction is common and easy to change. Read up on GRBL but there is a direction control register and you flip the bit associated with the axis in question. For Z it's the 3rd...
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    Re: Reducing voltage from power supply

    You are probably measuring it completely unloaded. I you are concerned, measure it under a load. Best load is the intended equipment but you can also test it with a power resistor for the load. 200...
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    Re: Small Desktop Router for Leather Molds

    F-Engrave is a gem. Surprisingly powerful and free. I was going to buy V-Carve but, so far, there isn't anything I wanted to do that F-Engrave didn't work for so I didn't. The author responds to...
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    Re: DOC in hard maple - what is reasonable?

    Having gone down this same road with a low end AL extrusion machine, ger21 is spot on - each upgrade will reveal the next source of flex. There is no question that upgrading from belts to screws...
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    Re: les paul solid body

    Do you realize you responded to a 10 year old thread?
  10. Re: Best place to buy good value (i.e. lower price good quality) CNC router bits on w

    A location would help as I assume shipping costs are an issue if you are trying to save money.
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    Al 3003 sheet metal milling suggestions?

    I've had good results milling 6061 Al but wanted to mill some 3003 sheet stock (40 and 63 mil). I'm using 3003 because it bends fairly well and 6061 surely doesn't. It cuts but I'm getting a lot of...
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    Re: Arduino distance detector

    Google is your friend. Lots of sample code that is specific to a given sensor out there.
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    Re: Power supply wiring problem

    Hmmm, that takes me to a page that wants to sell me the domain name.
  14. Re: directionalized electrical noise detector

    If in your shoes, I'd probably go on a program of tightening down every electrical screw connection, make sure you have proper grounding everywhere (and make sure it's a star configuration),...
  15. Re: Could a defunct flatbed printer be repurposed into a CNC?

    I'd guess he's near chicago.

    Probably do ok for a laser. Maybe a vinyl cutter. I suspect at least the control electronics would need to be replaced. Maybe the drivers could be reused.
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    Re: DIY spring loaded engraving tool holder

    Yeah. illustrates the drawback of just using amazon and ebay for shopping. I have to admit, I always go to amazon first because their delivery is sooo much faster and, USUALLY,they have close to the...
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    Re: Fusion 360 multple setups

    I'm no F360 pro but I just create two different setups in Manufacture. One for the top and one for the bottom. Then, I create my various tool paths under each setup. I add two "holders" to the...
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    Re: Limit switch setup, grbl/candle.

    It looks like candle has an unlock button which should allow you to get past the initial locked state.

    And, yes, longer term a mega is a better choice but I've run some pretty big G-Code files...
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    Re: Limit switch setup, grbl/candle.

    GRBL is the same on every controller which are all basically some form of Arduino. Start here. Personally, I would just get an Uno, a screw shield and use external drivers. Super low cost solution....
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    Re: DIY spring loaded engraving tool holder

    Well, it WAS $89. I'm pretty sure this thread caused the vendors to jack the price. 109 to 139 now. Probably will fall back in a few weeks.
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    Re: 1.5m by 1.5m cnc at rigidity

    You're getting responses that factor in the most extreme part of your request. If you just left it at mdf, you'd get a different response.
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    Re: 30x30" open source CNC machine design

    It sounds like you are already sold on the design. You should go for it instead of arguing the points. Then report back what you learned.
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    Re: Looking for a direction to proceed

    A couple of years ago, I was where you are. Wanted a CNC machine for mostly woodworking and other non-metal projects. I chose a small CBeam machine for the reasons you listed above. It has about a...
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    Re: 30x30" open source CNC machine design

    That machine looks like it has serious flex issues. Especially on the X-axis beam. If you want to get into CNC cheap, look at the CBeam machines like the workbee. Still has some flex but more...
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    Re: Looking for feedback on a build idea

    As other have said, the CBeam machine is truly the weak link here. I have a small one and it has a fair amount of deflection. You can get decent results if you run with a shallow DOC but that makes...
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