Depending on the size of your CNC machine, it will vary the length required for your application.
Please verify the CNC machine, and we can go into detail on the specific lengths or methods for the linear guide mechanics.

We sell our ACME Screw (1/2" per inch), also our longest length of ACME Screw is 76-3/4".

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Hi, I need the lead screw and bearings for x/y/z axis of the CNC. What is the length of "1/2" Lead Screw per inch (Steel)"?

You will first need to derive the number of turns per inch that your lead screw produces. If there is only a single start (typical all thread screws), then the turns per inch is the same as TPI (threads per inch). If there is multiple starts, then the number of starts is divided by the TPI to determine the turns per inch. For example, 10 TPI with 5 starts is 10 / 5 = 2 turns per inch. Now that we know this, we can get the number of steps per inch as described in the previous question: 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. Simply multiple the number of turns per inch and the number of steps per revolution and you will get the steps per inch. Ok, lets see the formula:

200 steps * 16 microsteps * 2 turns per inch = 6400 steps per inch


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hallo i have cnc with ball screw 2.5mm of pith..n driver stepping 1/16 how to setup step value

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i have ball screw with 2.5 mm of pith n 1 start motor 200 step 1/16 driver stepping

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how do you calibrate steps per inch using Mach3 and a 1/2x13 lead screw

The maximum length we can ship is a total of 78" inches. However we can send your required length in portions. Please refer to adding the total items you require to your cart to get a visualized amount and shipping cost.

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Regarding 1/2" 5 start and 10 TPI ACME precision lead screw, what the maximum length you can ship within USA? I'm looking for something like 100" and I could use a 1" screw if available. Please include estimated price. Thanks.

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?

When buying any of our ACME screws, if the entire length or lengths is desired please send us an email or a call, to specify the actual length needed! But if no call or email is sent previous of the order then, we will give the customer a call or email to find the exact lengths that they will require.

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when buying 1.5m of 1/2" Lead Screw per inch (Steel) does it ship as a whole rod or do i need to specify what lengths i need?

Yes, you will only need to change the coupling that couples the motor to the 3/8" lead screw.

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Yes, you will only need to change the coupling that couples the motor to the 3/8" lead screw.

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Can 3/8" lead screw be used instead of 1/2" on the 'BOOK' machine?

We can supply 1/2" lead screw with a maximum continuous length of 77 inches.

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Please give me a cost on a 6'x 1/2" lead screw. Thank you

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no


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what is the total cost for 77 inches of 1/2 inch lead screw?


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what is the cost of 6 feet lead screw.

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Hi! can i order a 6 ft long 1/2'' Lead screw?

We typically use a 1/4 microstepping for lead screws, but you want to determine the microstepping only after you determine what resolution you want on that axis of the machine.

The formula:
Resolution is steps per inch or steps per milimeter

I will go over this using steps/inch:
steps = motor steps x driver microstepping
inch = the amount of travel with one full stepper motor rotation

In the case of our 1/2" 5 start 10 TPI lead screw, the axis will travel .5 inches with one stepper motor rotation.

Let's use 1/4 microstepping (4 microsteps for each stepper motor step)

Therefore:
(200 steps x 4) / .5 inches =
800 steps / .5 inches =
1600 steps/inch

Now let's use 1/2 microstepping (2 mistrosteps)

(200 steps x 2) / .5 inches =
400 steps / .5 inches =
800 steps/inch

Remember that increasing microsteps, the torque is also reduced, but the smoothness from the motor is increased.

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With a 1/2 lead screw what is the optimal steps for the stepper motor driver 1/16, 1/8, 1/4 etc

1/2" lead screw is sold per inch. If you desire to buy a 6 foot length of lead screw, please purchase a quantity of 72 inches (equivalent to 6 feet).

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How much is a 6 ft long 1/2" Lead screw

We can supply 1/2" lead screw with a maximum continuous length of 77 inches.

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Please give me a cost on a 6'x 1/2" lead screw. Thank you

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no


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what is the total cost for 77 inches of 1/2 inch lead screw?


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what is the cost of 6 feet lead screw.

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What is the longest 1/2" Acme lead screw that I can buy?

The total length of the brush strip for a 2.2kW spindle would be 17 1/4" inches.

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20

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LENGTH OF THE BRUSH STRIP FOR SPINDLE 2.2KW

The blackfoot requires a total of 50 feet of cable.

The X axis needs 15 feet
The Y axis needs 17 feet
and the Z-axis needs 18 feet

These are 20 gauge 4 conductor cable.

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WHAT LENGTH OF CABLE DO I NEED FOR A BLAKCFOOT

BYCNC response:

Milling aluminum is no problem with our machines.

Here is a video we recently did with our 4'x8' machine. The aluminum piece is about 1/4" thick: https://buildyourcnc.com/tutorials/tutorial-greenbull-aluminum-cutting

The accuracy you will see from our our 2.2kW spindle is entirely dependent on the precision of your build, so it's not possible to say what level of accuracy you can achieve without an examination of the complete system. However, our spindles have a runout of less than .0001 in, which includes the collets that we sell. If you use a collet from another manufacturer, we cannot guarantee this TIR (Total Indicated Runout) dimension.

For the dimension drawing of the anti-backlash nut, please contact us directly by phone or email to techsupport@buildyourcnc.com

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I have emailed waiting for your reply.

User response:
Hi, I am still waiting for your email reply.

BYCNC response:
Your email has been sent.

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HI, I HAVE INTENTION OF PURCHASING YOUR 1/2 INCH PRECISION LEAD SCREW SET TO BUILD MY CNC MACHINE, COULD THE SCHEMATIC DIMENSION ANTI-BACKLASH NUT, BEARING FOR AND SHIM? ALSO IS 2.2KW SPINDLE ABLE MILL ALUMINUM WHAT ACCURACY?

BYCNC response:

Milling aluminum is no problem with our machines.

Here is a video we recently did with our 4'x8' machine. The aluminum piece is about 1/4" thick: https://buildyourcnc.com/tutorials/tutorial-greenbull-aluminum-cutting

The accuracy you will see from our our 2.2kW spindle is entirely dependent on the precision of your build, so it's not possible to say what level of accuracy you can achieve without an examination of the complete system. However, our spindles have a runout of less than .0001 in, which includes the collets that we sell. If you use a collet from another manufacturer, we cannot guarantee this TIR (Total Indicated Runout) dimension.

For the dimension drawing of the anti-backlash nut, please contact us directly by phone or email to techsupport@buildyourcnc.com

User response:
I have emailed waiting for your reply.

User response:
Hi, I am still waiting for your email reply.

BYCNC response:
Your email has been sent.

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HI, I HAVE INTENTION OF PURCHASING YOUR 1/2 INCH PRECISION LEAD SCREW SET TO BUILD MY CNC MACHINE, COULD THE SCHEMATIC DIMENSION ANTI-BACKLASH NUT, BEARING FOR AND SHIM? ALSO IS 2.2KW SPINDLE ABLE MILL ALUMINUM WHAT ACCURACY?

No they will not come in that length as a default, we would contact the buyer to ask specific lengths due to the total length purchased.

However if you order the 1/2" lead screw we can get them cut to the specific length you require, by contacting us here or call us at 281-815-7701.

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If I order 19ft of the 1/2" lead screw will it come in three 6'5" lengths by default? This is what I need. Thanks

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.

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

1/2" lead screw can be purchased in one length up to 77 inches (6 feet, 5 inches). Motors are found under the "Motion Electronics" menu, and gears can be found under "Mechanical Components".

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Hi! can i order a 6 ft long 1/2'' Lead screw with the motor and the gears with it?

Yes. We will make sure the lead screw is cut to those dimensions. 53/30/13

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I ordered 96 inches of the 1/2 inch 10 tpi drive screw. I need it in 3 pieces. 53 inches, 30 inches, and 13 inches. Please let me know if that can happen. Thankyou

When buying any of our ACME screws, if the entire length or lengths is desired please send us an email or a call, to specify the actual length needed! But if no call or email is sent previous of the order then, we will give the customer a call or email to find the exact lengths that they will require.

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I have just purchased 95 in. of 1/2 in screw and I need it cut to different lengths 51" 30" 14". Can do?