The leadscrew length for the greenBull long Z-axis is 47 inches.

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BUILDING ONE OF YOUR GREENBULL 6X LONG AND 2.2 KILOWATT SPINDLE DOES NOT FIT. SEEMS LEAD SCREW YOU SENT WITH KIT IS SHORT 42" LOOKS LIKE IT NEEDS TO BE 5 OR 6 INCH LONGER. THIS CORRECT? WHAT THE NEEDED LENGTH FOR UNIT?

Yes, we have the optional table for the blackToe, but we need to fabricate it, which only takes one day. We generally reserve one week for the total fabrication and packing of all parts.

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DO YOU HAVE BLACKTOE MACHINES WITH TABLES READY TO GO OR HOW LONG DOES IT TAKE MAKE ONE?

The HIWIN rails come with the same flange blocks that are sold individually.

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About your HIWIN rails. What Carriage block does the 78" rails come with, 2 flange or 2 with no flange?

No the USB board is a stand alone purchase, you can find the needed USB cable here: https://buildyourcnc.com/item/electronicsAndMotors-cable-wire-USB-2!0-Cable-TypeA-Male-To-TypeB-Male-newbiehack-Cables_and_Wires-USB-2!0-Cable-TypeA-Male-To-TypeB-Male

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So does it come with. A control box and router

Was there an opening in the tube upon arrival? Did the tube look like it was wrapped up by the shipper due to the damage that occurred? I am suspecting that the package was damaged by the shipper and the tube suffered an opening where the parts may have fallen out. Make sure to take many pictures of the damaged package condition so a claim can be generated.

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I recieved 2 hiwin linear rails in a tube with tape on it that says recieved in damaged condition. I got 2 rails 2 zerk fittings, no bearing blocks or lead screw. And technically I should have 2 more zerk fittings

Yes, you can use the video tutorial on the website. Here is a link: http://www.buildyourcnc.com/CNCElectronicsandWiring.aspx

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ARE THERE STILL VIDEOS THAT CAN WATCH AS PUT THIS TOGETHER, I'LL BUY THEM IF HAVE TO, VERY FUSTURATED WITH ELECTROCTICS AND WIRING PART.

When you add a specific length to your cart, the additional length will be in inches.
So you will need to add the total length which will be 98" in total!

If this is for the scratch build kit (book CNC) the total length (98") of lead screw you will need for this machine is the three axes added together:

X-axis: 52"
Y-axis: 32"
Z-axis: 14"

You will have to specify the dimensions you require by sending a email (with your order details) or call to: customerservice@buildyourcnc.com or 281-815-7701

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Does "Additional Length" for the Lead Screw mean Additional Length in inches? So for the 4' x-axis I have to choose Additional Length=52?

Our SBR20 rails use M8 bolts and are suitable for use with 8020 aluminum or any other common machine material. We suggest the use of our ball bearing pillow blocks with these rails, which you can find on our website here: https://buildyourcnc.com/item/mechanical-rails-linear-ball-bearing-block

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HOW TO FIND WIDH 38 HEIGHT 26 LINER GUIDE RAIL

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What are the bolt dimensions for the SBR20 linear rails, can they work with 8020 Aluminum extrusions?

The parts list is located on this page: http://buildyourcnc.com/cnckitintro.aspx at the bottom of the description.

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DOES YOUR COMBO #1 WITH PLANS AND THE DVD COME COMPLETE PARTS LIST?

I recommend using a wireless pendant rather than one that is wired to the controller.

Here is a link to one on Amazon.com: https://amzn.to/3r3AfTm

This is an affiliate link.

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[596] I am new to CNCs, curious to know what I need to look for in a pendant that would be compatible with this board and Mach4?

Depending if the spindle can work with this specific VFD, it might be possible. However we would not like to risk you working unit, with a possible match so we would like more details on your specific model and any information available on the spindle itself.

Response
The only info on the spindle is 2.2KW 400HZ 220V. Made by Zhong Hua Jiang.

Was originally on a Delta C200 vfd. That is 220 single phase.

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I PURCHASED A VFD AND SPINDLE FROM FRIEND, HIS SET UP IS 220. DON'T HAVE 220 IN MY SHOP. QUESTION CAN USE YOUR 110 WITH THIS SPINDLE??

For the NEMA 34 stepper motor with a maximum current of 6 amps, 18 AWG wire would technically be sufficient. According to the American Wire Gauge (AWG) standard, 18 AWG wire can handle up to around 10 amps of current in chassis wiring and around 16 amps in power transmission. If you are considering running a very long length of cable from the driver to the stepper motor, you may want to consider using 16 AWG.

As for the spindle, this wire gauge is well-suited. There are three phase shifts, each at 120 degrees and each conductor is carrying only 1/3 of the power. At 220v, 2200 watts / 220 V = 10 amps. 1/3 of 10 amps is 3.333 amps, so each conductor will be have a load of 3.33 amps.

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[801] Is this enough rating for a Nema 34 motor with max 6 amps? Also what about a 220V 2200Watt Spindle?

Hi. The HIWIN spec rail will fit standard M5 screws. If you are using non standard screws with wide heads, or pan heads that are a bit larger than a standard round heads, then it may not fit. Make sure to source screws that have standard round heads, or socket heads for fastening the 20mm HIWIN spec rails.

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I purchased some of your 20mm Hiwin Linear Rails. M5 bolts do not fit flush. The head stands out. Is the spec sheet out of date? What bolts will fit this rail AND T Nuts compatible with 8020's 15 series extrusions? Thanks.

Yes, you can absolutely communicate with the Pokeys57CNC controller. The developer's website has various ways of control, including their poblock software, or directly programming using C#, or C++. I have tested the C# method for a job I did for Lockheed Martin and worked really well.

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[596] Hi there! Thank you for your great works. I was wondering if there is a way to communicate with this board using custom-developed software instead of Mach3 or Mach4.

Yes, the kit for this machine can be modified for the travel/routing dimensions of 12"x16"x6".

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[126] Could we customize this model to a smaller format with a higher Z? 12" x 16" x 6" Routing Area?

Cellular phones are designed to be safe for both the user and anyone standing nearby. Cellular phones are actually small radios that transmit signals to and from base-station antennas located on towers or buildings in the nearby neighborhood. Cellular phones use low-power radio signals, even weaker than CB, police, or fire radios.

The American National Standards Institute (ANSI) sets safety standards for human exposure to radiofrequency (RF) electromagnetic energy in the United States. Government agencies such as the Federal Communications Commission (FCC), the Occupational Safety and Health Administration (OSHA), and many states recognize and accept the ANSI RF safety standard. Also, the United States standard for RF energy is comparable to those set in other countries.

Cellular phones and cellular-phone base stations have been shown to meet these RF safety standards. Safety standards for RF energy are threshold standards. Threshold standards define the level of RF energy above which there may be health or safety hazards and below which there have been no reported harmful effects. Unlike ionizing radiation, which many people believe to act cumulatively even at small exposure levels, RF energy at low levels is not considered a cumulative hazard. Therefore the consensus of scientific experts in this area is that RF exposure from cellular phones, meeting the threshold levels set in safety standards, is safe for all.

The specific answer to the question is that cellular phone technology is safe for all. There is no danger posed by either handheld phone units or by base-station antennas. In both cases, the radio signals transmitted from the antennas are required to meet the ANSI safety standard for RF safety as embodied in FCC regulations governing this technology. For more information:

The FCC has recently revised and reissued its Bulletin 56 on Questions and Answers about Biological Effects and Potential Hazards of Radiofrequency Electromagnetic Fields.

OSHA provides information and links to more sites on RF safety at its Web page, Radiofrequency/Microwave Radiation.

Gary Zeman, ScD, CHP Lawrence Berkeley National Laboratory

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IT MORE DANGEROUS STAY FOR ONE HOUR AT A TEN-METER DISTANCE FROM CELLULAR ANTENNA OR TALK INTO PHONE THE SAME AMOUNT OF TIME?

I haven't delved into using encoders with stepping motors too much. From my research, you need to have a controller that can provide the closed loop control, rather than software handling that process. I have also found from my research that using encoders on stepping motors is generally used to stop the machine in the case that the motor failed to achieve the commanded position for some reason and gives the user the chance to correct and continue with the job.

If you want proper closed loop control, it may be best to go with servos and servo controller that provide the closed loop control within the real of those two components.

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I HAVE NOT SEEN ANY REFERENCES TO ENCODER FEED-BACK CAPABILITY IN OF THE HARDWARE YOU SELL. THIS A SUPPORTED FEATURE WITH HARDWARE/SOFTWARE SELL?

No the ZY plate is part of the machine kit not the head combo kit.

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DOES ZY PLATE COME WITH LASER HEAD COMBO.

For information on our current projects and/or future machine setups please refer to our R&D section (https://www.buildyourcnc.com/ResDev.aspx) for more info!

Also you can create a custom request! if your request is not been thought of or created.

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Are you planing on building a CNC lathe ? or intergrating one as a module on an existing CNC router table ?