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Type: Posts; User: msimpson99

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    CNC to make some stile and rail frames

    I needed to make some frames for a Slovenian Beehive project and decided to use my CNC and finger joint router bit to do the job.

    The jig I used to hold the stock.
    484714

    I also have a video...
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    ORA-ET LABORA Plaque

    This is a little project I did for my daughter. It was my first time doing this actual process, so I wanted to experiment a little.

    The stock is 1/8" Sintra (Expanded PVC). This is some leftover...
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    Inexpensive Pendant for Mach3

    I just did a little write up on adding an inexpensive pendant to Mach3.

    It is not very configurable, but I found a way to change the buttons.

    See my write-up here:...
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    My drag knife setup

    I just completed my first write up on how I setup and use my drag knives.

    In this first installment I show how I use cutting mats to secure my stock for cutting. I also get into testing and the...
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    My No Weld Scrap Metal Fire Pit Build

    Here is a quick fire pit ring I made from scrap sheet metal.


    https://youtu.be/a5oi8dvs_b4

    The pieces were cut with my CNC Construction Set plasma cutter.

    See the write-up here:
    No Weld...
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    Re: CNC Pyrography Experiments

    I attached a small fan with speed control to the front of the floating head shown here:

    429016

    I started a new series of tests. MDF is the easiest and most consistent medium to burn, so I...
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    Re: CNC Pyrography Experiments

    I have several T12 and T15 cartridges. Pretty much the same and I can use them interchangeably on a couple stations I own. I have my doubts but my eventually try them, but the soldering station...
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    Re: CNC Pyrography Experiments

    Im using 12V because I had a 12V 30A one and all the larger ones 24V, 36V, and 48V were much larger. The 12V 30Amp seemed to be a good choice for my first round of experiments. I think on my next...
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    Re: CNC Pyrography Experiments

    I did get the Vectric post processor tuned as well as it could be as they don't have a lot of capability. For instance there is no pen down segment. I have to use the rapid move segment to cool the...
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    Re: CNC Pyrography Experiments

    Im pushing 10 volts at 15 amps so its delivering 150 Watts. That's OK for MDF but real wood is going to need more. At 12V and 20 Amps (Max on my controller) that's 240 Watts. Which is the minimum...
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    Re: CNC Pyrography Experiments

    Another thing I might add; I feel the 20 Amps is not enough to do any real experimenting with. I just start research to build a 100 Amp controller.

    I also attached the thermocoupler to the wire...
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    Re: CNC Pyrography Experiments

    I have several temperature controlled Irons, They just don't put enough watts to the tip. Even my HAKKO does not work very well.

    I have even purchased some of those so called all in one...
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    CNC Pyrography Experiments

    I started working on some serious pyrography (wood burning) experiments with my CNC machines.


    https://youtu.be/OHWT_tbI_TU

    One of the problems when wood burning is that when the tip is raised...
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    Re: Experiments with Finger Joint Fixture

    Here is a chess box I made using the finger fixture.
    428534
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    Re: Experiments with Finger Joint Fixture

    I layout the end (top down view) in CorelDraw, and use Vcarve pro to create the Gcode. I have also used SheetCam to create the Gcode for these. But you need to start with a drawing.

    Here is a...
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    Re: Experiments with Finger Joint Fixture

    How Well Does it Work?

    I have already made several frames, and the fixture works perfect. I had an issue where two of my sides were slightly thicker than the original stock I started with. The...
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    Re: Experiments with Finger Joint Fixture

    New Upper Clamp
    The upper clamp works well enough, but it is a pain to have to slide it out of the way when setting up the stock.

    I cut a piece of 1-1/2" x 1/4" x 4-1/4" aluminum bar and mounted...
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    Re: Experiments with Finger Joint Fixture

    New Lower Clamp

    The problem with the lower Festool clamp is that it was hard to reach and was finicky to get the correct tension on the stock. I decided to go with a toggle clamp attached to the...
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    Re: Experiments with Finger Joint Fixture

    The tear out is not as bad as I thought it would be. I do a rough pass at 50IPM and 20,000 RPM with a 1/8" two flute bit. I am only doing about a 1/16" depth of cut. I do it about .01 shy of final....
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    Re: Experiments with Finger Joint Fixture

    Original Clamps

    The lower clamp is a twist type Festool clamp. It fits the 15 series extrusion perfectly.
    427804

    The lower clamp is only meant to hold the stock loosely so that the spacer...
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    Re: Experiments with Finger Joint Fixture

    Please note that I used supplies that I had on hand so some of the parts may have some extra holes.

    Lets start with the table top:
    427800

    Its a piece of scrap 3/4" birtch plywood cut to...
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    Re: Experiments with Finger Joint Fixture

    I remember finger joints. I used to have one of those crazy Craftsman molding heads that had some finger cutters. Unfortunatly, most folks on the web, are using the term "Finger Joint" for the "Box...
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    Re: Experiments with Finger Joint Fixture

    While this fixture is still undergoing changes, I will take you through some of the iterations.

    This was the first pass at the fixture:
    427794

    It worked, but had some issues. The first was the...
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    Experiments with Finger Joint Fixture

    I was in the need of some finger joints, and decided to see if I could make a fixture for my CNCCS builds. I have done something similar with the KRMx02 in the past with a removable section in the...
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    Re: Upgrades to the KRMx02 CNC

    I have redesigned the AirExchanger so that you can make them yourself.
    https://www.kronosrobotics.com/airexchanger
  26. Re: Adding an Auto Z Zero probe macro for Mach3

    Due to issues with Windows 10 and UC100 and UC300ETH issues, I have started moving away from the Xbox controllers as jog interfaces. There are other options that work better. When I implement a...
  27. Re: Lot of experiments with genuine Huanyang VFDs

    Ok, lets agree to disagree.
  28. Re: Lot of experiments with genuine Huanyang VFDs

    Sorry, but I am just being practical. I have done it both ways. And with all the experimenting I do, the long (and code way) would take me twice as long and cost me twice as much. If these VFD...
  29. Lot of experiments with genuine Huanyang VFDs

    I have been doing a lot of experiments on my Huanuang (Genuine) VFD. I now have three of these.
    1. 2.2 KW unit 220v input
    2. 2.2 KW unit 110v input
    3. 1.5Kw unit 110v input

    The machines...
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    Re: cutting Acrylic with New Machine

    Make sure the spindle is turning in the correct direction.

    Happens on new builds all the time.
    It has happened to me more times than I want to admit.

    https://youtu.be/UTp187D44PY
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