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Type: Posts; User: Gashmore

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    Help resurrect a Novusun v1 controller

    Passed on my original Novusun v1 to a newbie after I upgraded and it looks like an error in grounding blew the electrolytic capacitor next to the power input. It is one of the few through hole...
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    788

    Looks like Cambam can do what I need on the...

    Looks like Cambam can do what I need on the lashing holes. Now I just need to build a rotary A axis or a kludge of some kind to undercut the cove around the perimeter for for the main rope to ride...
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    Thanks. I downloaded the demo and as a long time...

    Thanks. I downloaded the demo and as a long time D2NC user I am very impressed with Cambam. .
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    Arc on X/Z axis?

    I need to machine a number of billet aluminum "Deadeyes". Deadeyes are the blocks you see on old sailboats used to adjust tension on the lines that hold the mast up before turnbuckles came along. ...
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    Router bit inventory for aluminum?

    I just ordered a Super PID speed control for my home brew router. Up to now I have been cutting plywood, plastics and PCBs using a PC 690 with Think & Tinker collets but now that I have some control...
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    Raddling solinoid

    Running a CNC4PC relay board with Mach3. I am using one of the triacs to control peripherals like dust collector, air for a vortex cold gun and solder paste dispenser depending on the job. The air...
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    That would probably work better. Just that I...

    That would probably work better. Just that I have been filling all those D#$%ed holes by hand and if I don't put the injector needle dead center down in the hole the epoxy bridges over and leaves a...
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    Timing M7/M9 on/off?

    Unusual situation. I have a piece with 1000+ 1/8" holes that need to be filled with colored epoxy. (Double 12 Domino set) I have an automatic dispenser that drives a syringe that I plan to mount...
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    Torque required calculation?

    Working on an idea for a filament winding rig for making carbon fiber tubes and need the technique for calculating the torque required to drive the sled.

    The sled runs back and forth a distance of...
  10. Looks like I need to do some more study on G16. ...

    Looks like I need to do some more study on G16. Never had occasion to adding my rotary table so never played with the A axis rotation.

    Guess I should also take a look at Mach3.
  11. I need a simple 2 axis program for Windoze.

    Looking for more uses for the electronics of my home brew CNC router and the left over parts. The router is running on Mach2 through the parallel port. I want to build a rig for winding carbon...
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    Actually it is more a 20 year accumulation of...

    Actually it is more a 20 year accumulation of interesting and curious things aided by a loyal spotter at the local recycling yard. He turned me onto most of the 80/20 parts and a mystery device from...
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    It's Alive!! (Sort of)

    After lurking here for some time I devised an idea for a CNC router using up as much of my junk box as possible and this weekend I cranked it up for the first time. It is not ready to actually cut...
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    Maybe in your market but I only wish I could get...

    Maybe in your market but I only wish I could get away with it here. (I was a property manager for 10 years and write software for some large management companies in major markets for the last 20). ...
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    Triple net means you pay for everything except...

    Triple net means you pay for everything except ocasionally repairs to the roof. That includes maintenance, taxes and insurance (hince the term "triple net". You have to specify the landlord as...
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    Combining limit and home switches?

    I am going to use Mach2 through a single parallel port to a CNC4PC breakout board so I have 5 inputs. One is the E-stop switch leaving 4 inputs but I have 6 limit switches, one on each end of all 3...
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    The motors are Sanyo Step-Syns that I salvaged...

    The motors are Sanyo Step-Syns that I salvaged from a couple of old IBM DP printers so I don't think there is any way to find out the back EMF constant. I am going to put the 'scope on a phase...
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    These are the 8 pin models. All the motor power...

    These are the 8 pin models. All the motor power runs go back to a fuse panel at the power supply but the 5V side is more or less daisy chained. Found an article on the Gecko site that recommends a...
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    Yep, that's me. Working on the interior and...

    Yep, that's me. Working on the interior and hatches and realized that I need to mortice in about 60 very complex shaped latches. A great excuse to build a new tool. 80% of this machine came from...
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    Motor supply ground vs Logic ground?

    Putting the finishing touches on my driver enclosure. The system is based around 3 IM483 drivers, CNC4PC breakout board, charge pump and relay board. Motor power is a 600KVA transformer, rectifier...
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    Saw that ez-router cable too but it doesn't seem...

    Saw that ez-router cable too but it doesn't seem to be twisted pair, just 4 conductor with a common shield. All the docs I have read from IMS, Pacific Scientific, Parker and even Gecko are pretty...
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    I saw that on the Digikey site but that is one...

    I saw that on the Digikey site but that is one pair. I need 2 shielded pair in one jacket. Otherwise the KableSchlep carriers that salvaged won't work. The X-axis carrier needs to fit 2 runs of 2...
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    I take that back. 100' is a non-stock item. ...

    I take that back. 100' is a non-stock item. Smallest stocked is 500' for $422.00. Guess I will just have to be patient.
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    Digikey is usually my first source but this time...

    Digikey is usually my first source but this time they were a total strike out. Allied was the same. Newark had it in 1K' spools but I did just find a 100' roll of Belden 9368 at Mouser. $115.00
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    Not likely around here. The Home Despot might...

    Not likely around here. The Home Despot might have some 2 pr shielded 22AWG but I already have a 1K' spool of that if anybody needs any.
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    A couple of cabling questions

    First, where can you get 18AWG shielded two pair cable in less than 1,000' spools? I need about 40' to wire up my steppers.

    Second, how far from each other should the stepper and spindle power...
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