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### Question #: 13224

Question: What is the width of your strip brushes?

Current Solution

The strip brush is .2 inches (5.23 mm) wide, so a slot of that width or slightly wider will work. We use a .25 inch groove and use glue to adhere the strip brushes in our dust shoe.

The material of the bristles and the strip that holds the bristles are nylon.

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### Other Possible Solutions to this Question

• What is the dimensions and material of the spine on your Strip brushes?

The strip brush is .2 inches (5.23 mm) wide, so a slot of that width or slightly wider will work. We use a .25 inch groove and use glue to adhere the strip brushes in our dust shoe.

The material of the bristles and the strip that holds the bristles are nylon.

What is the dimensions and material of the spine on your Strip brushes?

• for 2" Strip Brush per inch what is the dimensions (Width, High and thickness)

The strip brush overall height is 2 inches, of which 3/16 inch is backing. The strip is 1/4 inch wide. The diameter of the bristles is 0.01 inch.

for 2" Strip Brush per inch what is the dimensions (Width, High and thickness)

• What are the dimensions (height x width) of the spine of the 2" strip brush? I need this info to design a dust shoe.

The strip brush is .2 inches (5.23 mm) wide, so a slot of that width or slightly wider will work. We use a .25 inch groove and use glue to adhere the strip brushes in our dust shoe.

The material of the bristles and the strip that holds the bristles are nylon.

• What should the "glue groove" width be for flexible strip brush?

The width and height that we have on our brush piece for our cnc machines, is 1/4" width and .30" depth , the length is dependent on your specific dimension of brush and the design of the brush piece.

What should the "glue groove" width be for flexible strip brush?

• What are the specifications for the 2" strip brush as far as dimensions and width of the rubber top?

The strip brush is .2 inches (5.23 mm) wide, so a slot of that width or slightly wider will work. We use a .25 inch groove and use glue to adhere the strip brushes in our dust shoe.

The material of the bristles and the strip that holds the bristles are nylon.

What are the specifications for the 2" strip brush as far as dimensions and width of the rubber top?

• what is the size/width of pulley and timing belt used in Blacktooth laser cutter ?

The blackTooth uses MXL timing belt with 1/4" MXL Drive Pulley 20 teeth.

what is the size/width of pulley and timing belt used in Blacktooth laser cutter ?

• What are the tolerances of your machines?

The tolerance of our machines, like any machine, depends on several variables. The major variables include the manufacturing tolerance, the type of machine control used, the precision of assembly, the thoroughness of maintenance, and the initial and ongoing calibration of the machine. Because we sell kits only most of these variables are outside our control. Therefore, we are hesitant to guarantee a certain level of tolerance for an end user. However, in our experience, tolerances of .001" are readily achievable with our machines.

What is the likely tolerance one could achieve without continual frustration and months of tinkering?

We actually do very little tinkering with our production machine. The wood has a very small coefficient of linear expansion as compared to metals and plastic, so calibration is reduced to a very infrequent state.

As with all machines, the determination of backlash in all parts of the machine is important, managing the tightening of these points of adjustment is necessary, but are still done infrequently.

What are the tolerances of your machines?

• What is the warranty on your 2.2KW spindle

We honor a one year warranty on most parts like main machine components, structural parts, mechanical parts and some electronic parts including spindles.

What is the warranty on your 2.2KW spindle

• WHAT IS THE WARRANTY ON YOUR PRODUCTS

We provide a one year warranty from the date the item is delivered.

WHAT IS THE WARRANTY ON YOUR PRODUCTS

The tolerance of our 1/2" 5 start lead screw is +/-0.05mm

• What is the bill of materials included in the build your own laser 2' x 4' 40 watt

The general bill of materials for the blackTooth 24"x20" laser system is as follows:

- The structural components (MDO and Plastic parts)
- The hardware to assemble all of the structural and mechanical parts
- Mechanical parts like v-groove bearings, bearings for shafts, shafts, pulleys, belts, etc.
- All of the motion electronics like motors, drivers, and laser controller
- Wire to connect all of the electronics
- All of the laser components including the laser tube, mirrors, mirror mounts, nozzle and lens
- Pneumatic components including the air pump and tubing
- Hydraulic components to cool the laser tube including a water pump and tubing

blackTooth 24"x20" Laser

What is the bill of materials included in the build your own laser 2' x 4' 40 watt

• What is the z-axis travel for your largest machine?

The largest CNC machine we make at this time (12/04/2015) is the GreenBull 6'x12' model. This model has 2 options for Z-axis travel.

The short-z option has a total Z travel of 5.75 inches. From that you would subtract the length of the end mill used and the thickness of the spoil board to determine the maximum material thickness. (Example: If the end mill extends 1.25" from the collet and the spoil board is .75", then the material could be up to 5.75 - 1.25 - 0.75 = 3.75 inches in thickness). This is good for most sheet-type materials.

The long-z option, used mainly for large 3D carvings, requires a custom frame and allows for up to 36" of travel.

What is the z-axis travel for your largest machine?

• What is the wavelength coming from your laser tubes?

The CO2 laser tubes that we sell have an output light wavelength of 10500 nm (nanometer). Our goggles provide protection for this wavelength of light.

What is the wavelength coming from your laser tubes?

• What is the width and height of the round Linear Guide Rail 20mm? Specs are not listed on the product page.

I just updated the Linear 20 mm Round Rail product page to reflect these measurements. https://www.buildyourcnc.com/item/mechanical-rails-linear-guide-rails-20mm

For your convenience, here they are:

Overall Height of Rail and Base: 37 mm (1.46 in)

Width of Base: 45 mm (1.77 in)

Mounting Holes on Center Widthwise: 30.226 mm (1.19 in)

Mounting Holes on Center Lengthwise: 150 mm (5.9 in)

If you need further information, please don't hesitate to ask be responding to this FAQ. Thanks.

• What is the maximum runout on your water-cooled spindles?

TIR specifications for the ER-20 collet used on 2.2KW Spindles is .0004 inches.

What is the maximum runout on your water-cooled spindles?

• What is the price for your laser kit, to be shipped assembled

What is the price for your laser kit, to be shipped assembled

• Hello thank you for the wonderful your efforts.may i ask? What is the unit of measurement used?

The units of measurement that we use is Imperial, (inches, feet, etc.) but Metric units can be used with our machines as well (millimeters, centimeter, etc.).

Hello thank you for the wonderful your efforts.may i ask? What is the unit of measurement used?

• Hi, I'm considering buying one of your 2.2 KW water cooled spindles. What is these spindles run out ?

TIR specifications for the ER-20 collet used on 2.2KW Spindles is .0004 inches.

Hi, I'm considering buying one of your 2.2 KW water cooled spindles. What is these spindles run out ?

• wHAT IS THE SMALLEST LENGTH SHAFT I CAN USE FOR YOUR #25 DRIVE SPROCET?

The hub length of the drive sprocket and the other mechanical devise that is used to connect on the shaft will determine the length of the shaft needed for use with the drive sprocket.

The hub lengths for our drive sprockets are 1/2". So if you are connecting the drive sprocket to a motor, your motor shaft will need to be at least 1/2" in length.

wHAT IS THE SMALLEST LENGTH SHAFT I CAN USE FOR YOUR #25 DRIVE SPROCET?

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