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Type: Posts; User: helpmeout

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    Central Arkansas

    Im not sure what region this should be posted,but Im looking for some one that has,or want too,or started there own cnc router build. I would like very much to get to know them,and see how they run...
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    Re: power supply and TB6600 motor drivers

    Thank you Im going to try that,with one and use a nema 17 stepper motor,I could use a 24 volt ac transformer from and old furnace that controls the thermostat,put a bridge rectifer on it and a few...
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    power supply and TB6600 motor drivers

    I have two transformers 24volt ac sec.output that I added a bridge diodes to out put about 65 volts dc,I coupled dont remember the capacitors sizes right off.but have them running three Gecos 202 I...
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    Re: homming mach 3 without homming switchs

    I think you are right,that is where I will have them to go to see if any inputs are checked that needs to be disabled,Because some input is enabled when it should be disabled.I do want you people to...
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    Re: homming mach 3 without homming switchs

    That is the way its set-up.but when the Ref all home button is clicked on, the z axis will crash at the top of travel,The full travel distance is supposed to be 120mm.I used -118.0 to stay on the...
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    Re: homming mach 3 without homming switchs

    Also when he clicks on ref all home, the z axis starts moving,should it ref home where its now setting and not move at all,especially without home switchs.On my machine with linuxcnc,I move the x,y,z...
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    Re: homming mach 3 without homming switchs

    the x home is 0 soft max and 490mm soft min,y is 0 soft max,770mm soft mim. Z is -118.0mm soft max and 0 soft min. or reversed.these are the size of the table travel. but when I have him to click on...
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    Re: homming mach 3 without homming switchs

    So would soft-limits be the travel distance Of X,Y,Z of you machine and that is set up in your configeration section,I try to before I shut down my machine run the x,y,z axis back down to where home...
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    Re: homming mach 3 without homming switchs

    You Guys are right about the machine coordinates being home and my zero is an off-set I belive g-54,I need to rewire up my home switches
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    Re: homming mach 3 without homming switchs

    Thats exactly how I do it the way you described it on my mill under linuxcnc,when I power up my machine I run my x,y,z axis down to where it should be set each axis home one at a time. then when I...
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    Re: homming mach 3 without homming switchs

    If Im understanding of what your saying is that to set z axis as home and then set it as zero at the top,but would that change when you ref. you z axis at zero when you started to mill a part,if you...
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    Re: homming mach 3 without homming switchs

    Also would i set the Z at the top of travel if its 4 inches would I put it as a negitive number say -4 inches,
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    Re: homming mach 3 without homming switchs

    Thank you very much This cnc mill does not have any limits switchs so if I go to home/limits in config section is that where i set the outer boundrys by the size of travel in all three axis, ie:x=10...
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    homming mach 3 without homming switchs

    How do you home mach3 with out homming switches. and are there a way to home each axis at a time like you can in linuxcnc.

    When you set up in home/limit config.do you set up z-axis as 0 max...
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    Re: cnc parts,DIY and repair costs

    Thats what I thought about the 12 volt rateing for the stepper motor,thats why I didnt order one.Been getting some steppers motors from some of the larger printers.Pick them up for about 5 dollars or...
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    Re: cnc parts,DIY and repair costs

    I do that also,Also here is a Question about a stepper motor, my stepper motors Is rated at 3.5 to 8 amps, and rated at about 3.5 - 4.5 volts,I think you can run them about (correct me if im wrong)...
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    Re: cnc parts,DIY and repair costs

    I understand what your saying Is true,but when the same product is sold here in the states that came from china and that product is marked up 10 times the basic amount and to ship that same item from...
  18. Re: Rigid shaft coupling - need advice from experienced professional machinist

    This Is just a thought,but could you remake that spindle shaft but reduce the shaft that goes to the stepper the same size as the stepper shaftThen remove the shaft with the hub that is on the...
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    Re: cnc parts,DIY and repair costs

    You are correct in the support,but even that is quickly disappearing.Look at Sears it was one of the leaders in the retail market and they had one of the best if not the best companys that would give...
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    Re: cnc parts,DIY and repair costs

    You are correct Wizzard,but when you have the same product here that you know came from China being sold for three times the cost plus shipping. I as a very poor retired person that has a small...
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    Re: cnc parts,DIY and repair costs

    O I forgot my cnc mill is made out of skate bearings from inline pair of skates, I picked up at garge sales for a couple of dollars you get 16 bearings per skate and no shipping.. Picked up my...
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    Re: cnc parts,DIY and repair costs

    Thats about the time when I built my mill I was thinking of installing chain on to make it longer,but I dont need to do that now, Im converting a smaller cnc z axis to a acme thread drive so it wont...
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    cnc parts,DIY and repair costs

    I am retired with a small income,so I have to watch where my money goes.But thats not the reason I ask this question.I ordered a part from a state over from where I live.The shipping cost was out of...
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    Re: acme lead screw

    Yes that is correct,and it has worked out very good for me.If I need too,I can loosen the bolts thats holding the Z axis up over the table,and slide it where I need too,tighten an square up the legs...
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    Re: acme lead screw

    I will Use Acme lead screw, whipping was why I was considering it.thinking about putting one on each side where they both act as one to help with racking. When I first built this I made both X,Y,...
  26. Re: Which CNC and motion control software and hardware do you use?

    I as a customer,cnc hobbiest will not buy any software hardware that is tied together or will only work with that only piece of software,I feel im tied to that software or hardware.I will not buy any...
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    Re: acme lead screw

    thats the only reason I have considered going to a chain and pulley system on my longest axis,using a #25 chain.Im thinking of connections on both sides of the gantry so that it will reduce binding...
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    Re: acme lead screw

    The length is about 6 foot,im thinking it needs to be at least 1/2 inch or better.Im thinking I should keep the spped because of whipping...
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    Re: stepper motor holding ability

    I have a small nema 23,with a small amount of rework on the z axis motor mount,Will be my next step.I think the nema 17 that is on it is the largest torque-size (is that correct torque-size)...
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    Re: stepper motor holding ability

    After reading Georges reply I readup on the manuel and from what it looks like even tho pin 7 is not grounded which causes the current to the windings to be shut off,they are anyways.I must open the...
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