The roller chain lengths for the greenBull 4x is:
- 13 feet for each side of the X axis (total of 26 feet), and
- 6 feet for the Y-axis

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WHAT LENGTHS OF ROLLER CHAIN DO I USE FOR THE GREENBULL 4X CNC?

The blueChick v4.2, is accurate at 1000's of an inch, with the roller chain, the v3.0 with the timing belt will increase the accuracy by 5%-10%, but to the expense of structural integrity.

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If I wanted to use the blueChick for isolation routing, what accuracy could I expect from v3.0 and v4.2?

First, you will need to know the pitch of the roller chain, or timing belt. For example, #25 roller chain is .25" (1/4") pitch and #40 roller chain is .5" (1/2") pitch. Timing belts are similar and you will need to search the specifications of your particular drive pulley pitch. Take this pitch and multiply this with the number of teeth on the drive pulley/sprocket. This will give you the number of inches around the pulley/sprocket. Now, take the number of steps per revolution that the motor will output. This will be the number of full steps that you motor produces (typically 200, or 1.8 degrees per step) multiplied by the microstepping per step to which the driver is configured. Divide this number by the inches that was calculated from the drive pulley/sprocket. Here is an example: If the motor produces 200 steps per revolution and I am driving it at 1/16 microstepping and my sprocket pitch is .25" with 9 teeth, my formula would be:

(200 steps * 16 microsteps) / (.25 inches * 9 teeth) = 3200
steps per revolution / 2.25 inches = 1422.222 steps per inch

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How do I configure my control program (i.e. Mach3, EMC2, etc.) for roller chain or timing belt steps per inch?

The roller chain lengths for the greenBull 4x is:
- 13 feet for each side of the X axis (total of 26 feet), and
- 6 feet for the Y-axis

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WHAT ARE THE ROLLER CHAIN LENGTHS FOR GREENBULL 4X

We can special order this part for you. Give us a call and we will either find the part for you, or find a part that we can machine to your specifications.

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HI, I am looking for a drive sproket for a roller chain. The drive sproket should have an ID= 16mm. do you have something like this in your inventory?

Here is the answer to your first questions regarding the blueChick motors:
https://buildyourcnc.com/FAQ/9024

The shipping of the blueChick CNC will depend on if the machine is assembled or not. There is a duty for international orders, but I am unsure of the cost in other countries other than the US.

Thanks

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What are the specs for the stepper motors on the Bluechick? How much for shipping to Toronto, ON, Canada? Is there duty for shipping to Canada?

You may have called outside of our business hours. Give this "Customer Service Live" mechanism a try and ask away. If you would still rather call us, please call between 9:00am and 5:00 pm Central Time.

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I need technical support for your Bluechick CNC and I can't get a reponse on the phone.

You need to either call us or email us, and provide the name you used when you ordered, so that we can find your order, as well as what parts you are missing.

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Received the bluechick today. Inventory shows I am missing 1/4" bearing #339 and 4 each 1/4" set screws #360-10536. What do I do to get them replaced? Thanks. Lml

Any of the following power supplies will be fine for powering the Mach3 USB controller:
https://www.buildyourcnc.com/item/24v

however, the limit switches do not need high current, so the following power supply is sufficient for the task of connecting limit switches:
https://www.buildyourcnc.com/item/electronicsAndMotors-power-supply-24v-1a-dc

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What power supply do you recommend for the spindle and limit switches if I buy the USB Mach3 breakout board?

The recommended total length of motor cable should be 15 feet for the blueChick v4.2

Z - 6 feet
Y - 5 feet
X- 4 feet

20 AWG 4 conductor

If your drivers will be positioned farther from the machine, you may need longer cable.

Additional Information:

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WHAT LENGTH OF MOTOR CABLE SHOULD BE USED WTIH THE BLUECHICK V4.2

We can provide a mount for any size router or spindle that you need. Just give us a call.

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What happened to the blue chick v3.0? I have one and I need a Z-Axis Mount for the dewalt dnp 611 router. The colt is nolonger supported by Precise bits.

For our machines our steps for the build process can be found on the actual machine page with images to reference (please read carefully all the instructions) (https://www.buildyourcnc.com/blackToothLaserCutterAndEngraver.aspx).
You can get further help here (http://blacktoothlaser.blogspot.ca/2013/04/index-for-blacktooth-laser.html?view=sidebar) a post made by one of our customers!

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where is the build manual for the blacktooth laser? online? I didnt get one with my machine

Roller chain in general is adjustable by using "master links", which are links which have horseshoe clip holding the pin and thus allow connections to be made or broken. The #25 is a designation of the type of roller chain. ANSI codes designate that the first digit(s) specify the pitch in eights of an inch, and the last digit is 0 for standard chain, 1 for lightweight chain, and 5 for bushed chain with no rollers. So #25 is 2/8 = 1/4 inch pitch bushed chain with no rollers.

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IS THE "#25 ROLLER CHAIN" ADJUSTABLE TO ANY LENGTH? LIKE IF I ORDERED TEN FEET OF IT, CAN MAKE TWO 3-FOOT LOOPS AND ONE 4-FOOT LOOP USING SOME SORT CHAIN JOINER?

The book CNC build has a restricted Z-Axis travel due to the design of the Z axis assembly. This machine is best used for sheet material. You can modify the bed of the machine so that there is a depressed area that thicker stock can be placed. The travel of the book CNC build is approximately 5 inches. Increasing the dimension of the gantry from rail to rail will allow a longer z-axis assembly increasing the z-axis travel.

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I was wondering what thickness of material the 'book' design can handle on the z-axis?

The rods where the drive sprockets are located (typically the X-axis) are not flat enough, so that the set screws hold the rod securely. Taking a file tool to make the surface where the set screws can hold the rod in place a bit flatter.
On the Y-axis, make sure you have the idler sprocket in the correct place being dual nuts on top corner (away from the motor (http://buildyourcnc.com/Item/cnc-machine-bluechick-v4#prettyPhoto/1/) and (https://www.buildyourcnc.com/images/bluechick%204-3%20instructions%2013_700_sm.jpg)) to have the sprockets line up perfectly.

The #40 drive sprocket will not work with the #25 chain sent with the kit.

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blueChick v4.2. The #25 drive sprockets occasionally come loose especially on the y-axis. The screws are barely on the shaft when I line up the sprocket to the idler gears. Lots of Loctite or should I try the #40 drive sprocket?

You can find the required components for our scratch build CNC here(https://buildyourcnc.com/cnckitintro.aspx).

Lead Screw needed will be:
X-axis: 52 Inches
Y-axis: 32 Inches
Z-axis: 14 Inches

These will be the bearings that are specified that will be needed:
Bearings 1/2" Inside Diameter - 6
Bearings 5/16" Inside Diameter - 24

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Hi, I need the lead screws and bearings for the 4' x-axis, the 2'(?) y-axis and the 1'(?) z-axis as specified in the book 'Build your own cnc'. I am not sure which to order on your website. Thanks

Roller chain in general is adjustable by using "master links", which are links which have horseshoe clip holding the pin and thus allow connections to be made or broken. The #25 is a designation of the type of roller chain. ANSI codes designate that the first digit(s) specify the pitch in eights of an inch, and the last digit is 0 for standard chain, 1 for lightweight chain, and 5 for bushed chain with no rollers. So #25 is 2/8 = 1/4 inch pitch bushed chain with no rollers.

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Is the "#25 Roller Chain" adjustable to any length? Like if I ordered ten feet of it, can I make two 3-foot loops and one 4-foot loop using some sort of chain joiner?

The price for the blueChick is here: https://www.buildyourcnc.com/blueChickVersion42CNCMachineKit.aspx

You will want the kit without electronics that will cost $1360.00.

Then you will need either the redSprout, or redLeaf CNC computer systems and the prices can be found here: https://www.buildyourcnc.com/AssembledElectronics.aspx

The redLeaf has a bit more power and speed than the redSprout. You will need to purchase windows, found on that page, if you desire that OS to be installed. Otherwise, we will install Linux and linuxcnc. You will also need to purchase the length of motor wire that you need from the motors to the computer. This is variable and is determined by the position you wish locate the computer system with respect to the CNC machine.

The shipping is determined at checkout. When you have the items in your cart, enter your shipping information and click on "calculate shipping". You will need to select your shipping preference, service and carrier.

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I'm not sure I understand the pricing correctly. How much would a computer and a bluechick?

The specifications for our 3/8" bearings are R6ZZ. The ZZ means double metal shielded. The metal shielding is to protect the ball bearings between the inner race and outer race.

Inside diameter: 3/8"
Outside Diameter: 7/8"
Width: 9/32"

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what are the dimensions and model number of the 3/8" ID roller bearings on your website?