The relay is only used for devices like routers, spindles, coolant, mist, etc. The relay works like an automatic switch and will allow current to pass when the relay is engaged.

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The relay doesn't have a A+ B - it has signal in god. 5v. / 0 S P. This has to go to my USB motion card wiring shows v+ goes to top of coil no number and comes out the bottom to #2 the relay I got from you is not that simple

The files and hardware option for our machines has been removed from the site due to the following reasons:
Difficulty for the end use of the files and the challenges (and time/money) on our side to assist in using these files.
The abuse of these files over the internet.
Ultimately may reduce the sales of machines keeping us in business.
Sadly, this is what has come out of our company attempting to be open; however, the machines sold on this site is still far lower in price than the competition for the quality that we provide as we have a great desire to engender the cottage industry to fulfill their need for low end manufacturing. My sincere apologies if this causes any inconvenience.

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NO, is not possible, I can help with the shipping cost

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BlackToe g-code or rather the DXF-file(s), but I can't find that option on the site anymore. Also, is it possible to convert all measurements to mm instead of inches? (Since I live in Sweden). Thank you!

Do you have a TL or a TH for triggering the laser? If you power the digital side of your laser power supply with 12V and tie the gnd with the PWM gnd on the pokeys57CNC controller, you may be able to use the PWM on the pokeys57CNC controller. Before you do this, I would suggest that you contact polabs support (http://support.polabs.com/) and ask them if this is possible.

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Using a Pokey57 CNC and Mach 4 can you tell me how to connect my laser. The laser has three wires.. Ground - 12V Power and PMW.

The 2.5 amp driver can only accept a power supply between 12 volts and 24 volts. If a 36 volt power supply is used for this driver, the main driver chip will exceed its maximum voltage rating and cause failure.

If you need to spin your motor faster, you can either use a more appropriate driver (i.e. 3.0 amp driver) or you can change the mechanical parts so the axis has faster travel.

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Can I connect a 36V power supply to 2.5 AMP Stepper Motor Driver. On the actual driver it shows 12V - 24V, but in the description and data sheet it indicates that it can accept 8V - 45V. Will I benefit from more powerful power supply. Thanks

The dimensions for each bearing (5/8" and 1/2"):
1/2": OD 1.1255" - 28.5877mm / height 0.3150" - 8.001mm

5/8": OD 1.3750" - 34.925mm / height 0.3440" - 8.7376mm

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What are the actual measurements of the 5/8 and 1/2 ID bearings?

We currently do not sell any plan's for any of our machines, only for our scratch and build kit.

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Would you sell a kit that has all of the hardware and electronics with CNC plans for the table and gantry? Some of have access to a CNC temporarily (TechShop) but want one of our own.

Depending on the type of motors and connection type, you could adapt your motors to work with our electronic packages, but you will receive additional motors since our kit is complete.

Now you will have to take into affect the actual motors you have and compare or get accurate replacements(Ex. our 425 oz motor(1/4" input shaft) will have to be same size or similar entry holes)

Your Controller board will be the major issue, due to its wiring and processing manner, you can view the connections for our breakout boards to compare with yours! (parallel: https://www.buildyourcnc.com/item/electronicsAndMotors-parallel-breakout-relay#prettyPhoto/2/)(USB: https://www.buildyourcnc.com/item/electronicsAndMotors-electronic-component-USB-Controller-Breakout#prettyPhoto/2/)
Email(customerservice@buildyourcnc.com for further help)

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I am looking at one of your electronics packages as a replacement for my excisting electronics. I have a old table top CNC that has a bad electronics pack, but the motors, and the mill are in good shape. could your system be adapted to work in this case?

Using pin 13 should be fine as long as it is enabled in Mach3 for the Estop. Go to Mach3, Config> Ports and Pins> Input Signals and make sure EStop is enabled and pin number is set to 13.

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I am wiring my estop to the redleaf NC closed using pin 13 and ground to red side of the button is that all that needs to be done

The following videos are helpful when connecting the VFD to a pokeys57CNC controller; however, there is useful information on the external terminals of the VFD and how to connect the VFD to any controller using a relay. Additionally, the videos have useful information on how to program the VFD.

Start and stop for spindle
https://youtu.be/0SLFuM4tzuU

Speed control:
https://youtu.be/pA69t1ZLY2s

The following video uses the Mach3 usb controller to control a spindle.

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Do you have a diagram on how to connect the vfd so the CNC controller box can turn the spindle on and off whenever i start a job?

Is bottom left your zero with regard to screen position, or actual machine position (looking down at the machine)? You will want the zero of the machine to reflect that of the screen. This is to make the safest possible scenario for working with the machine and it insures that the output will match that of the screen.

User response:
I'll answer my own question. Unchecked Dir Low on "Y" text now cuts the way you see it in Mach 3. The only thing now is "Y" is plus moving from right to left. I don't think that makes much difference as long as I know that. I'm not sure what will happen if I used a file from someone else. Any opinions?

buildyourcnc response:
It is still recommended that the origin is located where you would expect it to be on the machine. It sounds like the origin is at the right. It also helps to orient the keyboard when jogging where the machine movement matches the direction of the arrow keys.

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i have cnc router. when I do text I have to flip it upsidedown (in software) else it prints backwards. Bottom left is zero and x and y go plus from there. y has dir low checked x does not.

The parallel breakout board has the db25 connector for data and the USB connector for power. Connect the USB from the computer to the parallel breakout board so the breakout board will have 5V of power coming from the computer. The db25 connector (connector with the 25 pins) receive data signals for each pin from 1 to 17 and have respective numbered screw terminals, some for input and some for output (18 to 25 are gnd pins).

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Should I connect both the USB and the 25 pin connector of the parallel breakout board to the computer?

We carry several sizes of lead screw and stepper motors on our website, for example here https://buildyourcnc.com/Item/mechanical-leadscrews-lead-screw-!5-5-starts-10-tpi and here https://buildyourcnc.com/ProductSearchResults.aspx. Please call us at 281-815-7701 to discuss the particular lengths you would need and shipping options.

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I have a project very similar to cnc machine. I need 3 lead screws of 1.8 m with all set (supports, bearings...etc). and 3 NEMA 42 motors that I can connect with. if those are available, I need the information about shipping to Oman or UAE.

If the pdf. files cannot be viewed please update your pdf. reader, also for the X Table End, There are two of these table ends on the machine, each an exact mirror of the other. You will need six (1/4") 2" screws to fasten this to the two table halves. The two holes on either side of the bearing seat require 3" screws to fasten the motor mounts.

For specific requests with needed files (please state email address or email customerservice@buildyourcnc.com)

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I am building the machine frome the book. The measurements for the 6 screws that hold the table together are missing. The chapter seven addisional material on the your website has the measurements but they are unreadable. Can you send me a PDF of that sheet. The cnckit1-1.pdf file on your website also is missing the measurements. Thanks Joe

The datasheet for the parallel breakout board is here:
https://www.buildyourcnc.com/item/electronicsAndMotors-parallel-breakout-relay#prettyPhoto/2/

The datasheet for the USB interface is here:
https://www.buildyourcnc.com/item/electronicsAndMotors-electronic-component-USB-Controller-Breakout#prettyPhoto/2/


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I need wiring instructions for the breakout board you sent yesterday. It is not like the one in the videos and I don't know where to connect the 5V. No data sheet or anything.

Are you trying to use the MPG (tab), or the keyboard for jogging the motors? You mention 0,0,0, are you trying to home the machine with the "ref all home"?

If you cannot move the motors with the keyboard, check if the jog is enabled.

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[596] I have my motors and limit switches working correctly but I am unable to get any movement from the 'jog step' so that I can set 0,0,0. What should I check

The book pdf documents are on this page:
https://www.buildyourcnc.com/Book.aspx

Just click on the red area in the first paragraph that states: Click here for the book's documents.

Or, you can just go here for the documents directly for your convenience:
https://www.buildyourcnc.com/Documents/CNC%20Kit%201-1.pdf

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The mdf sheets layout are here:
https://www.buildyourcnc.com/Documents/cuts-Layout1.pdf
and here:
https://www.buildyourcnc.com/Documents/cuts-Layout1%20(2).pdf

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in the book page 18 it says the are down loadable pdf files containing the measurements of the mdf sheets I can not find them on your site even under the book tab

We will provide shim washers as a part of machine assemblies, but when purchasing lead screw and bearings, the shim washers must be purchased as well. Please give us a call and we can send them out.

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I just ordered a 1/2" lead screw and bearings, etc. But I don't see any 1/2" shim washers for those bearings. If you have any, please toss 8 of them in the shipment and I'll gladly reimburse you.

For safety's sake I would recommend a new board because they are inexpensive compared to the electronics that they support. Alternatively, it's possible that the one dead pin is a simple fix, such as a bad connection or solder joint; if you feel comfortable making those repairs then it could be worthwhile to check. Finally, if you are not using all the input pins, you could continue to operate the limit switch on pin 11 and hope for the best.

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I have a breakout board and it appears that the pin 12 connection has failed: when i move my limit switches to pin 11 they work; they don't work on pin 12. Do i need a new breakout board?

The CNC group is a splinter group of the Woodworker's Club of Houston" and can be found at this website: http://wwch.org

You can contact them via their contact us page here: http://wwch.org/ClubBus/ContactUs.htm

They have regular meetings at the location specified on their homepage. You can also go there and talk to some of the CNC group's members.

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Hi Patrick What is the name of that organization for CNC enthusiast in Houston and Katy TX and phone number please. Thanks