[abond13]

Hello all,new to forum. i am looking at a cnc conversion kit from automation technology inc. its the g0704 cnc kit set with electronics.I think it requires me drilling
a 1" hole thru the column, i dont think thats a great idea as the mill is not so solid as is. but besides that its a complete kit with a good price. dos anyone have
experience with this kit? G0704 CNC Kit Set with Electronics | Automation Technology Inc what i would really like to do is just
find the electronics and wires that are in the kit and get some other mounts and ball screws. im afraid of wiring and boards so was wondering if someone could tell me if
its as simple as getting a power supply, stepper driver box,motors and cables? there are so many boxes,motors and power supplys to choose from i get so lost and really dont know
what im looking at. thats why the complete kits look good to me. ive also considered flashcut cnc but its pricey. help!!!
I know I know another g0704 cnc question

[bladehunter]

What would that hole be for ? Apart from rear mounting the stepper for the Y axis I can't recall any one drilling the column.

[kdoney]

I just finished buying 2 g0704 kits. One from Automation Technologies and one from cncconversionkit. The Automation Technology kit (people I have bought over $20,000 of equipment from over 5 years) came with a ball nut that was not built properly and I got no reply from their new support group. The conversionkit came 3 weeks late, with oblong bearing seats and no ball screws for another 2 weeks of pleading.

[kdoney]

If you can wait a week, I am finishing a conversion that is being done with no modification to the mill, either the grinding of the saddle to accomodate the x axis nut or any holes to mount the y axis to the back of the mill. You will also not have to take the y axis nut off of the screw (a problematic thing) to get it to fit into the slot of the y axis of the saddle. The rest you can order through Automation Technologies since they come direct from their Chinese suppliers and don't require any in-house expertise or patience. Power supply, drivers, motors and motor couplings.

[treyjugson]

Hello all,new to forum. i am looking at a cnc conversion kit from automation technology inc. its the g0704 cnc kit set with electronics.I think it requires me drilling
a 1" hole thru the column, i dont think thats a great idea as the mill is not so solid as is. but besides that its a complete kit with a good price. dos anyone have
experience with this kit? G0704 CNC Kit Set with Electronics | Automation Technology Inc what i would really like to do is just
find the electronics and wires that are in the kit and get some other mounts and ball screws. im afraid of wiring and boards so was wondering if someone could tell me if
its as simple as getting a power supply, stepper driver box,motors and cables? there are so many boxes,motors and power supplys to choose from i get so lost and really dont know
what im looking at. thats why the complete kits look good to me. ive also considered flashcut cnc but its pricey. help!!!
I know I know another g0704 cnc question

Don't waste your money with that kit, read this.
http://www.cnczone.com/forums/taig-m...29457-cnc.html

[abond13]

What would that hole be for ? Apart from rear mounting the stepper for the Y axis I can't recall any one drilling the column.

im not 100% sure but i think you have to get the screw to table thru the column with this kit. the kit is made so you can keep the manual mill ability.

[abond13]

Don't waste your money with that kit, read this.
http://www.cnczone.com/forums/taig-m...29457-cnc.html

Thats what i wanted to hear. i had already read somethings that you guys have confirmed. thanks to all for the quick support!

[abond13]

I just finished buying 2 g0704 kits. One from Automation Technologies and one from cncconversionkit. The Automation Technology kit (people I have bought over $20,000 of equipment from over 5 years) came with a ball nut that was not built properly and I got no reply from their new support group. The conversionkit came 3 weeks late, with oblong bearing seats and no ball screws for another 2 weeks of pleading.

Bummer sorry to hear that.Thats why i was just wanting the complete electronics package out of the kit and not the mounts and screw. because its plug and play and at that price i cant see
the ball screws being any better than the stock ones.

[abond13]

If you can wait a week, I am finishing a conversion that is being done with no modification to the mill, either the grinding of the saddle to accomodate the x axis nut or any holes to mount the y axis to the back of the mill. You will also not have to take the y axis nut off of the screw (a problematic thing) to get it to fit into the slot of the y axis of the saddle. The rest you can order through Automation Technologies since they come direct from their Chinese suppliers and don't require any in-house expertise or patience. Power supply, drivers, motors and motor couplings.

I have a screw and mount kit in mind that i like. but im willing to take a look. post up a pic and some specs on the screws when finished. i wont buy anything until i get more of a under standing of all the pieces
of a cnc conversion.

[abond13]

Thanks to everyone for all the help!! such nice folks. i greatly appreciate you guys taking the time to help. thanks for the warnings on the kit i asked about.i had read some things but wanted to
confirm my suspicions here. About the 1" thru the column, i read a thread about a install of a kit like the one i asked about and he had to put a 1" hole thru the mill,at that point my mind was kinda
made up, not that i cant do, but a matter of i dident want to. and he also had 5 other issues with the kit. so moving on!
im a no electronics guy. i dont know anything about it.
when looking at automations selection of electronics its overwhelming. as far as whats a good powersupply and will it work with the driver box and will driver box work with
the motors etc. so in short id like to just plug things in,so do i need to match up the powersupply amp output with the driverbox amp output with the motor amperage etc? ive been researching all this stuff for
a while, but alot of the threads i read are over my head so i give up. hoping u guys can help. thanks

[Lasersolution]

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[hoss2006]

Read here for well proven g0704 electronics recommendations.
G0704 Electronics
Automation Tech has a couple similar packages already but these are matched to work well together.
The heavy duty versions are most popular.
Hoss

[davidlee64]

I am also new to this stuff. I plan to get the ballscrew kit from Arizonavideo, and Hoss has good recomendations for steppers and related items. The heavy duty route is how I plan to go. I am putting together a list for my conversion. I agree, it is rather confusing. I looked at the parts someone local to me has gotten. I plan to stop over there today to see how his conversion is doing.

[abond13]

Read here for well proven g0704 electronics recommendations.
G0704 Electronics
Automation Tech has a couple similar packages already but these are matched to work well together.
The heavy duty versions are most popular.
Hoss

thanks hoss, ive been all over your site and watched all your videos. your site is how i found all the electronics and motors.i thank you for all your hard work. Ive never wired something like this before. so its quite intimidating. i was thinking something along these lines 3 Axis CNC Stepper Control Box, Digital Stepper Motor Driver, 110VAC/220VAC for G0704 | Automation Technology Inc (no wiring) so with that the rest i need is motors,computer,cables, mach3,and motor mounts? am i missing something. thanks again

[abond13]

I am also new to this stuff. I plan to get the ballscrew kit from Arizonavideo, and Hoss has good recomendations for steppers and related items. The heavy duty route is how I plan to go. I am putting together a list for my conversion. I agree, it is rather confusing. I looked at the parts someone local to me has gotten. I plan to stop over there today to see how his conversion is doing.

thanks for the reply, i believe one of the ballscrew kits im looking at is also from arizonavideo. if i tried i know i could do it will take alot of focus and good prep and taking my time. just alot of little things
like what gage wire to use with what component and route it nicely and checking for proper amperage etc. i have never got into something electronic. after watching a couple wiring videos,i feel a little
better about it.

[hoss2006]

Yes that box will work with the motors I have listed in my Heavy Duty Digital package.
A note on the box, they are not plug and play, you'll likely have to open the cover and set the jumper switches on the drivers, at least some people have that emailed me before.
I have some tips on my FAQ page for the settings.
FAQs
You might consider home/limit switches and you'll have to make the motor cables, links to parts are on my page too.
Hoss

[abond13]

So when picking a box and motors, is it a matter of getting the proper amps from the drivers for the motors? Gecko G540 4-Axis Driver Controller 48V/7.3A | Automation Technology Inc such as this box would also work with the motors in the hoss heavy duty package right?. What are the rules when it comes to amps? say the drivers are 7amps and the motors require 5amps is that bad for the motors? or vice a versa will motors needing 5amps run on 2.5amps. i dont know just asking. also whats needed to run from a laptop? there are no parallels
so what do you guys do? i do have a dinasorus rex of a computer (its not that bad)but its got windows 98 and parallels. on the other hand i have a laptop with windows 7 thats only afew yrs old,the ol lady
closed it with a pen inbetween the screen and keys,cracking the screen. so now its a desk top with a monitor, would like to know if it would still work if i removed the worthless screen. well thanks all!

edit, whats the best wire for motor cables? whats the best connectors to use? i see the round metal ones with 4
prongs. or the driver controller i linked above looks like it takes a small parallel looking end,were do i find the ends? thanks

[hoss2006]

The motors for my heavy duty digital package will not work well with the g540 kit. The g540 only outputs 3.5 amps max. The motors (570) need 5 and (906) 6.1 amps to run at full torque. Running at less than rated amps will detune them basically weakening them, the 570 oz/in will detune to 399 oz/in and the 906 oz/in will detune to 520 oz/in. Steppers rated at 3.5 amps are good for the g540 such as the 381 oz/in stepper but these are a little weak for a g0704. You also have to keep in mind the inductance of the stepper, too high and it requires too high a supply voltage to run best at full speed. This is the reason for the packages with the motors on my site, they are matched for best performance.
If you want to use a laptop get an ethernet smoothstepper, no need for a parallel port and get a big boost in performance vs a parallel port only setup.
Shielded 4 wire 18awg makes for good motor cables, the end connectors depends on what box you get, some use db9 connectors, others the 4 pin connectors.
Hoss

[abond13]

The motors for my heavy duty digital package will not work well with the g540 kit. The g540 only outputs 3.5 amps max. The motors (570) need 5 and (906) 6.1 amps to run at full torque. Running at less than rated amps will detune them basically weakening them, the 570 oz/in will detune to 399 oz/in and the 906 oz/in will detune to 520 oz/in. Steppers rated at 3.5 amps are good for the g540 such as the 381 oz/in stepper but these are a little weak for a g0704. You also have to keep in mind the inductance of the stepper, too high and it requires too high a supply voltage to run best at full speed. This is the reason for the packages with the motors on my site, they are matched for best performance.
If you want to use a laptop get an ethernet smoothstepper, no need for a parallel port and get a big boost in performance vs a parallel port only setup.
Shielded 4 wire 18awg makes for good motor cables, the end connectors depends on what box you get, some use db9 connectors, others the 4 pin connectors.
Hoss

Great info, thanks for taking the time to explain. It is very hard to find this specific info with out reading thru bunch of other info that just dos not get to the point and thus confuses me more.
ive seen the prebuilt boxs with ethernet smoothsteppers in them. i will start looking at those and find one compatible with your heavy duty motor setup. im not new to cnc machining or
programming but am a complete noobie to learning all the pieces you dont see that make them work.i greatly appreciate the help and apologize if you have answered all theses questions before.
with every post im getting closer to taking the dive!!! The type of work i have planned for this mill is for prototyping new jobs at home for my day job.home projects,and small production runs for
inventions. just out of curiosity what tolerances are you guys getting out of your g0704s. ball screws or not.what ballscrews get minimal backlash, just a fun question.i know its a grizzly g0704 not the most rigid. but it works with my budget.(the budget that the wife will allow lol) thanks again.

[hoss2006]

.005 is pretty easy to obtain with the typical kit and C7 ballscrews but you can get down to .002-.003 if you pay attention to backlash, calibrating, tramming and machining procedures to improve accuracy.
Don't drive yourself crazy trying to get to zero with anything, learn that close is good enough for most work a machine this size is capable of doing.
Hoss