The mxl 0.08" pitch is fine for moving the weight of a gantry that contains a 40 watt laser tube and optics. I would not advise this timing belt for CNC applications that need to move heavy items such as spindles, routers, and heavier structures that are required to move these spindles and routers around.

The mxl 0.08" pitch timing belt is also great for 3d printers.

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Originally bought the Blacktooth Laser kit, but the upgraded laser tube size and needed a larger casing. With that I need to upgrade the belts to a 36" run. Can you advise whether the mxl.08" timing belt is sufficent or do I need the .2"in.

There is some variation in the outward appearance of laser power supplies due to sourcing through different vendors. However, the basic wiring requirements are the same in each case. For the unit with integrated laser controller, follow the diagram found here: https://buildyourcnc.com/blackToothLaserCutterAndEngraver.aspx#prettyPhoto/0/. The terminals on the signal side will have a 6 connection terminal block -- these are the ones labeled 5V, IN, G, P (or WP), L (or TTL-L), and H (or TTL-H). The High Power side will have 3 inputs for AC power, one high voltage lead, and one return line. Connect these as shown in the diagram as well: the return line goes on the "front" (beam exit end) terminal of the laser tube, the high voltage lead goes to the "back" terminal of the tube, the FG terminal (or G) receives the earth ground wire of the AC power cable, and the two AC terminals receive the line and neutral wires of the AC power cable (it doesn't matter in this case which wire goes to which terminal).

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I purchased the blackTooth Laser Engraver with integrated Laser Control Unit and have been following your instructions. I noticed that the laser tube power supply is different that what is shown in your instructions. Do you have any better wiring guides that I can follow for the version that I received?

It is most common for the laser tube to go out, after about 1000 hours of work time!
It is strange that the new laser tube will not fire!
We would recommend to check the tungsten leads, if they are making good contact!

Also here is a link to a instructables page where they have tested a laser power supply!
http://www.instructables.com/id/How-to-test-and-set-a-Chinese-China-made-CO2-Laser/?ALLSTEPS

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Hello - I have had some years of good use from my Blacktooth CN Laser, but had to reduce the speed on jobs over the last year to get satisfactory cutting. Recently, on a long job, the laser beam weakened and disappeared entirely over about 30 seconds (guess). I fixed a new tube, but this won't fire either. How can I safely test the output lead to see if it's dead or partially so?

What is the item that you purchased on Sept 24?

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Hi my name is Robert and I have try to contact you on a purchase from you around 24 sept and i have not received it so i tried calling you via 281-815-7701 and talked to many other person except you . 9am to 5pm Could you Please send a Phone number that work please.

Is the cable between the mach3 USB and the YL260 shielded. If that does not solve the problem, add an induction coil to the cable to reduce any current fluctuations.

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Hello. I have bought an RnR Motion Controller and a YL260-A and I have it set up to the AVI from RnR to the VI1 of YL620-A but I'm getting that the RPM varies not like interference but like a drop from max value to min value. What could be happening?

Stepper motors are known to make noises while function, however this does not affect accuracy or job function. However we recommend to check your wiring for solid connections, and for good connectivity!



On a personal note, here is one cool video dealing with making songs with stepper motors!

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I bought and built the Blacktooth laser cutter. It works, but one of the stepper motors makes a loud static hiss a second after the CNC power supply is turned on or off, and makes loud tweets and twirps when running. It seems to operate fine otherwise. I was wondering if it was "going bad" or if that is normal?

Yes, the blackTooth actually has a base that is open, so you can set the blackTooth laser cutter on a surface that is depressed as much as you need so you can accommodate a work piece with very large heights.

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I'm considering the purchase of your Blacktooth laser. I will be engraving on my wood blocks that are two inches in thickness. Will the Blacktooth accomodate this thickness material?

Cutting metal with lasers even at 100W and 130W is difficult. The main problem is molten is a byproduct of lasing, which can severely damage the laser.

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For the XL Vertical Laser Machine I see it won't cut metal as it is only 80w. However, I noticed that you are working on 100w and 130w versions so will that be sufficient to cut through sheet metal? If so, how much longer until those are available?

You can find the datasheets to our motors be going to the the stepping motor category page https://www.buildyourcnc.com/category/nema and selecting the motor. This will bring you to the product page for the motor and all of the motor information will be found there.

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I would like to design my own CNC router around one of your electronics bundles, either the 3 Axis - Heavy Gantry or 3 Axis - All Large Motors. Do you have the data sheets for the motors so that I can use the dimensions in my model?

If you were logged in when you made the purchase, you can click the "My Account" link at the top of any page on this website and see all of your orders, order line items (with direct links to these items), and shipment information.

Here is a link to the "My Account" page for your convenience:
https://www.buildyourcnc.com/CustomerInfo.aspx

I did not see your username on your internal customer record, so I added this username and you should be able to see the information in the "My Account" page.

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I just tested your accounts page and the cable carrier links are in there. Thanks and please let me know if you need further assistance.

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I have purchased cable carrier chain and would like to know if you could send me a copy of that order as I need to purchase extra lengths of the links I bought. Thanks

Our electronics and plug and play systems can be used with any industry standard software, including but definitely not limited to the Vectric line of software.

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I am getting ready (within a week) to purchase your lug in play controller kits... The software I want to use is Vectric. I notice you talk about Mach software and sketch up. Be fore I purchase I want to make sure I can use what ever software I want... Thank you for your time. Pam

To verify, you are still getting the laser tube to fire, but the laser beam is weak and cannot cut or engrave any materials correct?

Have you checked your tube's tungsten post terminals to make sure they are getting good contact?
The Laser tube and laser power supply both have manufacture warranty, please email customerservice@buildyourcnc.com for further assistance.

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Hello, I have a blacktooth laser cutter, the machine has 10hrs of work, suddenly in the middle of a job the laser beam lost all power, I can still se the purple plasma beam but with no power or intensity, the tube is fine, water is running through and there is no arcing to the chasis or some other part. I think it might be a faulty PS how can I test it, Do I have a warranty on it?

Dealing with glass co2 laser tubes, it is difficult to accurately tell if it is going out or loosing "oomph". The laser will loose its co2 levels, which will cause it to loose cutting strength.
We have noticed that the laser at its "strongest" or new state fires a purplish/reddish color laser through the tube, and when it is loosing its cutting strength it turns to a faded red orange/orange color.

Using a ammeter will only measure the current going to the tube. The PSU will not know when the tube is losing its cutting strength, so it will constantly flow the same voltage and current.


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How many dots should come out of the laser

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What is a clear indication of a failing/failed laser tube? I know that laser tubes eventually "wear out", but how does one determine if the tube is loosing its "oomph"? My 40W Blacktooth laser tube return goes through an ammeter, so is the ammeter reading proportional to the beam strength, or can the beam die and still draw the same amount of current?

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

We have the image at that size to encourage the purchase of the kit from us. This helps to keep buildyourcnc alive and allows us to fund development of other awesome low cost machines.

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could you make available a larger size picture of the exploded view of the BlackTooth laser cutter? I would like to use for reference when building my laser cutter, but it is too small to be really useful.

Modifying the Z-axis to accommodate a larger motor will be a worth while task and is possible, however we have not calibrated the z-axis therefore using the 1600 Steps-per inch in the motor tuning on our machine in our shop. We have not noticed any significant depth increments from not calibrating the z-axis but only from zeroing the z axis too close to the material. Also in your design did you specify the actual depth and the length of tool (end mill/ bit) that you are using?

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I bought a Blacktoe 2 x 8 three years ago and have always had a problem with the Zid axis. No matter how tightly I've calibrated the axis it always cuts to deep. Can I put a larger Stepper motor on Z-axis using the same motion electronics that came with the original machine.

Since the nozzle is getting warm, much of the laser energy is not exiting the aperture and is hitting the inside of the nozzle. You need to align the laser's final mirror to direct it out of the nozzle's aperture and you will have more than enough energy to cut 1/8" acrylic efficiently.

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I've been unable to cut through acrylic or wood at a thickness of 1/8" or less with the BlackTooth. Even with multiple passes (x10) and full power, a clean cut cannot be accomplished. Based on videos I've seen something doesn't seem right. I noticed that the nozzle gets very warm, almost untouchable during even short runs.

Yes, if you are using 1/2" standard allthread lead screw coupled to your stepping motors, you can increase the speed by changing the lead screw to 10 TPI 5 Start Lead Screws with antibacklash nuts. This will allow you to have up to 200-300 IPM (inches per minute) travel and cutting speeds.

The reason why the feedrate and jogging speed is faster is because the lead screw will travel a farther distance for each turn of the motor. A standard allthread will only travel one inch after 13 turns of the motor. The above (link below) 5 start 1/2" lead screws will travel one inch with only 2 turns of the motor! That is a drastic difference and you will get more torque from your motor since most of the torque is present at low speeds.

Lead screw link:
https://buildyourcnc.com/item/mechanical-leadscrews-lead-screw-!5-5-starts-10-tpi

Antibacklash nut link:
https://buildyourcnc.com/item/mechanical-leadscrews-antibacklash-nut-!5-5-starts-10-tpi

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I built a 2' x 4' cnc about 2 years ago and bought all the plans and part through this website. My average 2D design takes approximately 35-40 minutes to complete. Is there a way to make my cnc faster?

Sure, email me at customerservice@buildyourcnc.com and I will send you a replacement for a minimal fee. I now use HDPE for that part. The HDPE holds up much better.

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I have a Blackfoot 4x4 v2 chain drive. my Y plate is broken . do you sell just the Y plate or can I buy just the Y plate spec plan? I love this machine Its great. my name is Jeff Krug I bought the complete package and electronics from you guys. thanks