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Thread: BOB/ driver solution
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10th April 2017, 02:01 PM #1SENIOR MEMBER
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BOB/ driver solution
Hi Guys,
I am planning a possible strong CNC Router build and am looking at using better quality components than my X61500GT Router uses, I have no experience with any other devices.
I want to use USB or Ethernet to interface to the PC and do not want to have any connection to parallel ports.
Gecko are the obvious choice for motor driver, but I believe they require a LPT connection to the BOB, correct?
Does anyone have any experience with any setups that might fit the bill?
Happy to spend good money on good gear, without going nuts....lol
I stumbled upon the Aussie product, TinyG but that only supports up to 2.5A per winding. It does not seem to be enough.....( a I wrong? )
I want to run dual steppers and ball screws on the Gantry for max rigidity.
Will look towards using Mach4 as I think it will be the future for our hobby, I think, although I've read a little about UcCNC, so maybe that's an option as well.
Steve
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10th April 2017 02:01 PM # ADSGoogle Adsense Advertisement
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10th April 2017, 02:03 PM #2GOLD MEMBER
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Steve I'm sure some of the CNC folk will be along to lend a hand.
Ross
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10th April 2017, 02:18 PM #3SENIOR MEMBER
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Smooth stepper works well - I have the Ethernet version on my Carving CNC router. It does tie you in to Mach3/4 though.
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10th April 2017, 05:32 PM #4SENIOR MEMBER
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Rustyarc,
How do you interface with your stepper drivers and what drivers are you using?
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10th April 2017, 08:03 PM #5SENIOR MEMBER
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I just used an IDC to 25 pin D connector to plug into the parallel port socket on the control box, and used the factory-supplied stepper drivers - probably similar to the ones in the X61500GT, although this earlier unit runs at 24V.
In my case, the aim was just to eliminate the parallel port, the rest of the hardware seemed fine for the machine. If I was going from scratch I'd probably use Gecko drivers.
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1st May 2017, 01:28 PM #6
Driver solutions
PMDX.COM - Products for CNC and motion control applications
This BOB uses a USB connection to the computer and is highly thought of in CNCing
PMDX.COM - Products for CNC and motion control applications
I am considering replacing my perfectly usable setup with this because of the ability to just plug in my Gecko G203V drives to a motherboard
PMDX.COM - Products for CNC and motion control applications
You can also get this controller box for everything.Bob Willson
The term 'grammar nazi' was invented to make people, who don't know their grammar, feel OK about being uneducated.
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1st May 2017, 01:43 PM #7SENIOR MEMBER
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1st May 2017, 04:55 PM #8
The 414 handles 4 axes, so unless you have decided that you need dual steppers on both X and Y axes, then that has sufficient capacity for you and is $100 cheaper.
I have dual steppers on my X axis, but it is not required for the Y axis as that is not moving the weight of the transom backwards and forwards; just moving the Z axis sideways.
I tested my y axis by having both myself and a friend hold onto the spindle while trying to move the head. May as well have been ants trying to stop an avalanche.
I also accidentally tested the X axis when I left a screwdriver in one of the holes of the baseplate. The CNC didn't even slow down, just bent the 8mm screwdriver in half.Bob Willson
The term 'grammar nazi' was invented to make people, who don't know their grammar, feel OK about being uneducated.
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1st May 2017, 09:38 PM #9SENIOR MEMBER
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I bought a 4th axis when I bought my Chinese CNC Router,which I haven't used yet.....It might get a run in the future.
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