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  1. Replies
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    Hi John Not sure what type of stepper driver...

    Hi John

    Not sure what type of stepper driver you are using but most are current chopping drives and its best to have the highest voltage the drive can take (not the constant voltage rating of the...
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    Craig My first question would be how are you...

    Craig

    My first question would be how are you controlling the speed? via comms , keypad or potentiometer.

    A flashing F00.00 just means it is not moving and may not have received a speed command...
  3. Get CNC Wrapper for $20 and then you can do quite...

    Get CNC Wrapper for $20 and then you can do quite a few interesting things with your 3 axis software (technically still 3 axis as Y is not used and substituted with A)

    I like doing Lithophanes...
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    Also McJing in Yagoona

    Also McJing in Yagoona
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    Nice work Kim Really like the way the grain of...

    Nice work Kim

    Really like the way the grain of the timber worked out on the dress and makes it look like folds of the material.

    Mark

    PS what feedrate was that done at?
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    Hi Axel been having problems answering... will...

    Hi Axel been having problems answering... will try again as forum keeps spitting the dummy!

    Quick answer is no, as SpindleTalker was originally written by a mate of mine to test and debug comms to...
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    Is the job intarsia or inlay in nature? If so is...

    Is the job intarsia or inlay in nature? If so is it visible from just one side? If the answer is yes then maybe you could do some tapered inlays on a cnc router ie. the pocket and the inlay have...
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    Ken described very well how to setup a reciever...

    Ken described very well how to setup a reciever tank.... BTW I've yet to setup a vacuum table etc on my machine and so far have relied on DIY MiteeBite style excentric clamps for the alloy work I've...
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    Hi d0vr Standard sheets are actually 1220 x...

    Hi d0vr

    Standard sheets are actually 1220 x 2440 and you'll want to be able to cut to the edge so you will want some overtravel equal to the diameter of the bit your using. Add to that the rails...
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    Hi Bob I think your RPM is way too high....

    Hi Bob

    I think your RPM is way too high. Granted I was cutting 6061 T6 but 800mm/min and 8-10,000 rpm with a 0.5mm DOC worked well for me ... using wd40 or diesel as lube in my case and lots of...
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    hi guys Just an observation... but when I...

    hi guys

    Just an observation... but when I went to the manufacturing expo at homebush there were big lineups and delays at all the places across the street (even subways had a long wait) not sure...
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    I always forget to put the YMMV tag. Mines DC and...

    I always forget to put the YMMV tag. Mines DC and so far so good. I'd guess I've well and truely passed 120hours but not 100% sure. Like most things in the homebuilt budget its a crap shoot on what...
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    Here's the pump I'm using : Johnson Aquajet...

    Here's the pump I'm using :

    Johnson Aquajet WPS Pump - 3.8LPM, 12v - BCF

    Its a diaphram/pressure pump so has no issue pushing a low volume through the small piping of the spindle. I'm running...
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    PM sent

    PM sent
  15. Replies
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    Dave I've attatched the manual.Read the section...

    Dave I've attatched the manual.Read the section on acceleration/deceleration, Ignore DC braking as most/all of these VFD's don't have the components populated to use this function. Check pd023 for...
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    Sounds like parameters to me.

    Sounds like parameters to me.
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    No worries Kim. Noise is a big issue with any VFD...

    No worries Kim. Noise is a big issue with any VFD but I think the HY 's are particularly crappy. Took me quite awhile to isolate my issues and I have pretty good shielding and separation etc.

    In...
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    Kim you need to change PD003 as this is the one...

    Kim you need to change PD003 as this is the one that sets the speed.

    PD002 also needs to be set to 0 as it would have been 2 if using the plugin.

    Proper shielding and ferrite supressors can...
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    Hedi Does your motor sound like this: 3.3KW...

    Hedi

    Does your motor sound like this:
    3.3KW (4HP) Chinese CNC Spindle + Huanyang 3.3KW VFD Test - YouTube
    at the displayed 24000rpm? if yes then my guess is the poles are set correctly and you...
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    The manual for the Huanyang has the default PD143...

    The manual for the Huanyang has the default PD143 poles set to 4 and in the case of my 2.2kw chinese spindle the correct setting was 2.
    I don;t believe that you can damage the motor if these are...
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    Just a clarification... PD144 sets the rated...

    Just a clarification...

    PD144 sets the rated revolution ie the displayed speed so with a setting of 3000 (speed at 50hz output from VFD) this means at the full speed (400hz output) the display...
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    Also don't expect any torque at low speeds.

    Also don't expect any torque at low speeds.
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    Yep do a Gausian blur on the pics of people,...

    Yep do a Gausian blur on the pics of people, patch blemishes etc, and then use a mask to bring back sharpness in areas like eyes or jewelry (like wedding rings etc) Back in the day of cigerette ads...
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    The browm/bronze look is due to the pipe being...

    The browm/bronze look is due to the pipe being painted metalic first. Thats another trick :) Your eye picks up more contrast if the frame is much darker than the object of interest.
    As far as...
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    Nice work Stewey Its great to hear others...

    Nice work Stewey

    Its great to hear others making similar stuffups :) but as you say sometimes this leads to an interesting "feature" like the heart cut out.

    I concurr that better results are...
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    My guess is that you have the number of poles set...

    My guess is that you have the number of poles set incorrectly
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    I've tried perspex but with the cutters I have...

    I've tried perspex but with the cutters I have (basic router style) it tended to reweld quite a bit. Corian and Melamine great as it comes off as a powder, PVC is ok as long as your bits are sharp...
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    Yeah I thought that was what you meant. I've...

    Yeah I thought that was what you meant. I've tried Corian and to be honest was not overly impressed with the quality of the end result. Cuts beautifully and can hold fine detail but the stuff I had...
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    Hi Wolffie Do you mean litho graph or litho...

    Hi Wolffie

    Do you mean litho graph or litho phane? Corian is more related to the latter and copper plate, the former

    Corain and similar solid surface materials can be found at kitchen bench...
  30. Replies
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    SawDustSniffer do you run any air while cutting?...

    SawDustSniffer do you run any air while cutting? I've not used 2mm bits yet but would suggest that if your snapping bits its because your not keeping the cut clean of swarf.

    With my setup I have...
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    Hi Greg Most of my experience has been with...

    Hi Greg

    Most of my experience has been with solid state lasers and at very high modulation rates so very different beasts to high power gas tubes. However the way that I've seen modulation done...
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    Thanks for the clarification Greg . My last job...

    Thanks for the clarification Greg . My last job was for a company that makes imagesetters for the printing and circuit board markets so understand the issues that you described. I was thinking more...
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    Hi Greg Nice build. We are decomissioning...

    Hi Greg

    Nice build. We are decomissioning more gear at work so that means its time for me to start my next build... pity I don't have any room :(

    I was thinking large format plasma but your...
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    Hi Glen My machine has rotating nuts (Thats a...

    Hi Glen

    My machine has rotating nuts (Thats a post you'd only seein a forum like this:doh:) on both x axis drives and also the Z. The 2.5m x drives are using a standard fixed nut but a drive that...
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    Ger21 is absolutely right.. fixtures and clamping...

    Ger21 is absolutely right.. fixtures and clamping methods are half the battle when making parts.

    I dissagree that side clamping is a bad idea... depends on the job and the material. I made myself...
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    No worries Bullet As far as editing screens...

    No worries Bullet

    As far as editing screens go I'd suggest you look at the thread on the subjetc over on the mach forums... It's very straight forward but a bit long to type out.
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    Hi BulletMaster Check that you have not got...

    Hi BulletMaster

    Check that you have not got the "disable spindle relays" ticked in Mach config/ports and pins/spindle setup.
    You also don't need to enable the modbus spindle as technically it's...
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    I think what Ken has described is if you are...

    I think what Ken has described is if you are running unipolar (ie 6 or 8 leads) not bipolar (4 leads). The only thing that will be affected with swapped A+A- or B+B- is the direction... just don't do...
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    easy test you might have overlooked... Check...

    easy test you might have overlooked...

    Check the continuity from the dirve connector to the motors. you should see a couple of ohms across each phase of the stepper and open circuit between...
  40. Yep know that sound well... usually followed by...

    Yep know that sound well... usually followed by alot of profanity eminating from my garage.. Not sure if I should warn the neighbours about the machine operations noises or the machine operators...
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    Sorry I'm broke like everyone else this time of...

    Sorry I'm broke like everyone else this time of year :C

    It almost sounds like its a current drive not a voltage one... In any case best practice would be to short out the free leg of the pot to...
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    Hi Mike Been awhile since I initially tested...

    Hi Mike

    Been awhile since I initially tested mine via hardwire like that, but from memory I had the external legs of the pot to +10 and ACM and the center wipe to VI and think I used a 10k or...
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    Hi Lachlan Sounds like a fun project and...

    Hi Lachlan

    Sounds like a fun project and definitely would fit on my machine (2.5 x 1.3 x 0.5 m envelope)
    PM sent

    Cheers
    Mark

    PS thanks Daniel.. your making me blush:-
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    What you need is a charge pump. Basically its an...

    What you need is a charge pump. Basically its an inductor (coil) a diode, a capacitor and a switch (fet power transistor or similar). The circuit amplifies the voltage so even a low input from the...
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    Nope.. solid billet :) the scrap is 12mm thick...

    Nope.. solid billet :) the scrap is 12mm thick "plug" from the F-85sr parts. I then radiused one side using the table router (extreme caution! not recomemnded!) then clamped the parts face down using...
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    Couple of ideas You could add alot of...

    Couple of ideas

    You could add alot of stiffness to your existing design by adding ribs at 90degrees to the side plates using the same thickness plate. Through bolted from the inside adding 3 ribs...
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    I agree that making it a bit beefier would be...

    I agree that making it a bit beefier would be good as you won't regret the extra stiffness nor mass when you start cutting stuff. Less chatter etc

    Your just up the road from me so if you want to...
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    First surfboard...

    Well I've been finishing off the boat bits and one of the pieces has a large oval hole in it... this left some interesting scrap... soooo.

    The billet silver surfer was born!


    Been watching...
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    The first test I did was of a garden frog made of...

    The first test I did was of a garden frog made of concrete. Very weathered and with a rough texture which seemed to help alot with the stitching. Standard res was really good IMO and would be a great...
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    Thanks guys. Rusel the bit I used is a...

    Thanks guys.

    Rusel the bit I used is a beading bit (also called veining bits) from Carbitool TBF8 1/2.

    beading bits fine point

    so its the same curved profile that is following the vectors.
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