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Type: Posts; User: Cromaglious

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  1. Replies
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    Re: Spindle Speed Controller for HF 44991

    Original speed controller is 0v is max speed and 12v is 0rpm. 10v won't stop it.
  2. Replies
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    Re: Spindle Speed Controller for HF 44991

    Using 2 4n26 optoisolators.
    I'm using a 5axis green board with blue relay BOB (Breakout board) off a UC100 USB cnc controller and Mach3.

    Harbor Fright 44991 w/ LMS belt conversion and CNCfusion...
  3. From what I've seen of Leadshine pricing, yes...

    From what I've seen of Leadshine pricing, yes they are a bit cheaper.
  4. Re: JMC closed loop steppers (similar to Leadshine) - anyone have any experience?

    I have 4 of the NEMA 23 2Nm 285ozin iHSS57-36-20 drives and 6 of the NEMA 24 3Nm 425ozin iHSS60-36-30 drives. I'm really loving the drives, I haven't used the PED (on station) signalling yet, I do...
  5. Re: Need help finishing CNC conversion (it's been on hold far too long)

    I bought a 44991 in September, bought the LMS belt conversion, LMS Tormach TTS collet and TTS ER16 and ER32 collet holders. Now I'm saving up for the CNCFusion $619 3 axis kit. I'm going to be...
  6. Replies
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    Re: RPM on steppers & StepServos

    've switched to StepServo's AKA Integrated Closed loop steppers I'm using JMC-motor.com iHSS57-36-20 NEMA 23 2nm 36v steppers ($124ea). I feed them 36vdc, step, and dir from my Break Out Board from...
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    Re: 12 Tool ATC/Clear Path servo motor STEPS?

    You should probably put in a home sensor. A Normally open micro switch and also you should put a small capacitor with a resistor in series across the leads. have a bump on the stepper mount on the...
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    Re: Clearpath Servos for Tormach?

    They have a 2HSS86h external driver + NEMA34 86J18156ec-1000 12nm 2phase stepper 1.8 degree (1000 line encoder) closed loop stepper for $248 on ebay. I got 3 integrated closed loop NEMA23's for...
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    Re: Clearpath Servos for Tormach?

    For less than 1/2 the price get some jmc-motor.com iHSS57-36-20 2nm (283ozin) motors. I bought 3 off ebay. If you go direct to jmc-motor.com they'll send you a turner box as well. They work...
  10. Replies
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    Re: Leadshine integrated easy servo motors

    What os are you using? What version? You have an xp machine to try it with? Or try a 32bit machine
  11. Re: Mods, Upgrades and Fixes Thread for 3020 and 3040 Desktop Mill/Router

    My 400w spindle burned out the brushes. So i took off the fan and chucked my 3/8 DeWalt drill to the 8mm shaft. It is running at 4800rpm and I'm able to use a 6mm bit, which I couldn't with the...
  12. Re: Mods, Upgrades and Fixes Thread for 3020 and 3040 Desktop Mill/Router

    They go around the router body. From what I can see on Z to top he has very little clearance between the router and the guide supports, we are talking a few milimeters. The integrated closed loop...
  13. Re: Mods, Upgrades and Fixes Thread for 3020 and 3040 Desktop Mill/Router

    I just upgraded my steppers and drivers. I no long have drivers in my black box! I got 3 JMC-motor.com iHSS57-36-20 integrated closed loop steppers. 2nm or 283ozin. I was cutting some Delrin (PE)...
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    Re: building a CNC Router cable

    I know it's 3 months later... There are tristate LEDs the are Red forward biased, Green Reverse Biased, and Yellow for AC. The Limit for LEDs is actually the power or millamps going through them. ...
  15. Re: I want to upgrade my K40 laser cutter controller!

    I finally got a MKS SBase, and I had it running in a K40... I really suggest using a real smoothieboard. I'm saving up for mine now.
  16. I prefer using the eBay Parallel port BOB...

    I prefer using the eBay Parallel port BOB breakout board with the THB6600 stepper drivers. 36v transformer with a ebay mosfet pwm voltage regulation board to 32v. With a budget busting l.5kw or...
  17. Re: Chinese K40 Laser Cutter Won't Go in Home Position

    On NO! A moshidraw board! or equivalent. Don't know what to tell you... My Moshidraw board lasted a week before I swapped it out for a Arduino based board.
  18. Replies
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    Re: $32 CO2 Laser Controller

    built a honey comb table (no Z adjustment yet, just using granite blocks to raise to proper level)

    using a Select Comfort air bed compressor for air assist. Silicon tubing run through a ebay...
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    Re: $32 CO2 Laser Controller

    Yep, did it work, NOPE! went arduino mega 2560, RAMPS 1.4. works a treat.. using inkscape 0.91 and TurnkeyLaser Extension, and pronterface for uploads. hacked the TurnkeyLaser extension to turn on...
  20. Those would just use a flow regulator. I use a...

    Those would just use a flow regulator. I use a select comfort air matress air pump for my air assist pump on my 40w laser
  21. Replies
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    Looking at the picture, it looks likeyou could...

    Looking at the picture, it looks likeyou could getsomethrough hole jst 2.54mm 3 pin headers and run some jst 2.54mm (0.1") wired plugs to the back panel and add some sort of connectors. I used 1/8"...
  22. Re: Changing from 60watt to 80 watt laser tube

    The length of the tube is about the only other thing you need to consider.
  23. Re: Need Help in Cutting With Laser Machine 60W

    If you have a grate or bed. Take out the cutting bed and put a piece of plywood in an angle and cut straight lines at different powers and then you'll see the proper focal distance. Before moving it,...
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    Re: CNC mill larger parts....

    First job is to design a jig Plate with pins to locate the part. 2nd job is to set up your work piece with the holes to match the pins so when you turn it over and clamp it down it'll register and...
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    Re: short to ground on laser cutter??

    Sounds like the ballast resistor is arcing... Mine fried as well... that's the sound it made. I have 2 machines, so I used the resistor from the other machine. So far so good. I ordered some...
  26. There is a new project out which takes step and...

    There is a new project out which takes step and direction and using a nano pro drives a encoded dc motor in a closed loop. Do for a 3 axis machine you'd actually have 4 arduinos.
  27. Re: Questions about LinuxCNC and its main advantages

    Yes Linuxcnc is worth it. Tormach used it for the basis of thier Pathpilot. the main problem with linuxcnc in my mind is finding a machine with good enough realtime performance. Linuxcnc is really...
  28. I've been looking at a web cam on the z head to...

    I've been looking at a web cam on the z head to trace patterns for my wife and i's costume business. I believe there are mach3 extensions for tracing that way. Something to look into.
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    Re: Need new CNC controller. Any ideas?

    Ahh it's a leadshine driver the M542. What I'm reading is they do 20v to 50v, and up to 4.2A. That looks to be decent, I haven't looked at relizability or futzyness. There is another model the goes...
  30. Re: New to CNC and G-Code. My PCBs are 1/3 the size they should be

    in to mm is a 25.4 difference. in to cm is a 2.54 difference. you're definately a 3:1 difference. one way to fix it is find the steps per inch or steps per mm and change the numbers to 1/3 of the...
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