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Question #: 8012

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

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

• 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.

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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.

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

• WHAT ARE THE BLACKTOOTH LENS SIZES AND FOCAL LENGTH SPECIFICATIONS?

The lens is 20mm wide and a 50.6mm focal length (the one included). This lens will stand up to at least 30PSI air assist.

The mirrors are 25mm wide mirrors.

Focal length is the distance from the lens to the material for the laser converge into the best focal point. If a lens is listed as 2". You measure 2" from the lens to the material, this will be the tightest point the laser can go before it starts to re-expand again losing focus.

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WHAT ARE THE BLACKTOOTH LENS SIZES AND FOCAL LENGTH SPECIFICATIONS?

• blackToe 2'x4' CNC Router - What are the actual x and y cutting dimensions (eg: 22"x46")

The actual cutting dimensions for our blackToe machine is 2'(24") x 4'(48"), the overall size of the structure built is a bit larger so that our customers have the actual size mentioned with each of our machines!

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blackToe 2'x4' CNC Router - What are the actual x and y cutting dimensions (eg: 22"x46")

• What are the other two dimensions of the 1/2" ID bearings used to support lead screws?

Inside Diameter: 1/2" (actual dimension 0.4975 inches or 12.63 mm)

- Outside Diameter: 1.122 inches or 28.4988 mm

- Thickness: .31 inches or 7.89 mm

Thank you for this question as it caused me to update the description:
https://www.buildyourcnc.com/item/bearing-!5-standardbearing

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What are the other two dimensions of the 1/2" ID bearings used to support lead screws?

• WHAT IS SHIPPING DIMENSIONS AND WEIGHT FOR THE VERTICAL LASER.

Shipping crate size 121" X 36" X 92"

Weight 511 LBS

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WHAT IS SHIPPING DIMENSIONS AND WEIGHT FOR THE VERTICAL LASER.

• WHAT IS THE SHIPPING WEIGHT AND DIMENSIONS FOR GREENLEAN?

Shipping crate 121" X 36" X 92"

Weight 511 LBS

ship in india pls

International shipping rates can be determined by:
- adding products to the cart
- go to the cart and enter shipped by address
- and pressing the calculate shipping button

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WHAT IS THE SHIPPING WEIGHT AND DIMENSIONS FOR GREENLEAN?

• What are the mounting hole dimensions of the 1/2" Anti-Backlash Lead Nut

The mounting hole dimension for the 1/2" 10 TPI 5 starts antibacklash nut is 1.13" or 28.7 mm. I added a drawing to the antibacklash nut product webpage so you can see other dimensions.

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

Thanks

You can also see the drawing directly here: https://www.buildyourcnc.com/images/Antibacklash_nut_1_2_drawing-800.JPG

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What are the mounting hole dimensions of the 1/2" Anti-Backlash Lead Nut

• WHAT ARE THE SHIPPING DIMENSIONS FOR VERTICAL LASER

Shipping crate size 121" X 36" X 92"

Weight 511 LBS

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WHAT ARE THE SHIPPING DIMENSIONS FOR VERTICAL LASER

• WHAT ARE THE SHIPPING DIMENSIONS FOR GREENBULL?

76" X 40" X 26"
230 LBS

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WHAT ARE THE SHIPPING DIMENSIONS FOR GREENBULL?

• WHAT ARE THE DIMENSIONS FOR GREENBULL TABLE?

Actual table dimension: 4'x8' is 56.078"x 121.50" (the overhang in the illustrations should be 3/4" thick)
To determine the frame dimensions, first consider using the frame height shown of almost 3' (2.86'). The width of the frame should be 4" narrower than the dimension from rail edge to rail edge (6X rail to rail is 80.078"). This will provide a 2" overhang on both sides (4X frame width should be 56.078").
The length of the frame should be 4" shorter than the desired length of the rails to provide a 2" overhang on both ends. The travel length will be 20" shorter than the rail length due to the space occupied by the gantry sides.
Two long pieces of 3/4" material will need to be placed on top of the frame with the 2" overhang on the sides and the end. These long strips of material will receive the rails and the chain mounts on the ends.

https://www.buildyourcnc.com/Item/cnc-machine-greenBull-v4-4X

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WHAT ARE THE DIMENSIONS FOR GREENBULL TABLE?

• WHAT ARE THE BLACKTOOTH SHIPPING DIMENSIONS?

The blacktooth ships in 3 boxes.

Structure 38x22x5 #54

Components 14x13x13 #30

Laser Tube 35x7x6 #4

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WHAT ARE THE BLACKTOOTH SHIPPING DIMENSIONS?

• LENGTH OF THE BRUSH STRIP FOR SPINDLE 2.2KW

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

20

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LENGTH OF THE BRUSH STRIP FOR SPINDLE 2.2KW

• WHAT IS D.O.F OR DEPTH OF FIELD FOR THE BLACKTOOTH LASER AND LENS?

Depth of Field. This is how far the focal point goes before re-expanding again. With a 2" lens, you have approximately 2-3mm of DOF. This means that you'll have 2-3mm of perfectly focused laser before it starts to re-expand again. If you have a 4" lens, you will have up to 7mm of DOF.

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WHAT IS D.O.F OR DEPTH OF FIELD FOR THE BLACKTOOTH LASER AND LENS?

• 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)"?

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)"?

• what depth increment should I use for pocketing and profiling with the 1/2" end mill?

The pocketing depth per pass will depend on the hardness of the material, the router/spindle you are using and on the melting point of the material. Use the feedrate that you would normally use for the size and type of end mill. You will need to test the depth per pass, starting at the full depth of the pocket. The spindle should have no problem, but if you are using a router, then it may bog down, so easing up on the depth per pass is recommended. If the spindle/router has no problem at the depths you are using, then you need to evaluate the edge finish to determine if it is acceptable. If it is not acceptable, then ease up on the depth per pass. Keep doing these steps until you have the finish and precision you expect.

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what depth increment should I use for pocketing and profiling with the 1/2" end mill?

• I need a machine to cut guitar bodies. The bodies are 12" x 16" and 1.5" thick. What would work best?

I would recommend using the blackToe CNC machine kit. The overall travel dimensions are 24" x 48" x 6". This will provide a bit of space on the sides as wiggle room if your guitar bodies are at the extremes of the 12". Also, if you are manufacturing may of these, the larger routing area, the more guitar bodies you will be able to cut at one time.

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I need a machine to cut guitar bodies. The bodies are 12" x 16" and 1.5" thick. What would work best?

• AND WHAT SIZES ARE THE PACKAGES OF MACHINE.

the package sizes will be listed in your shopping cart, in the item detail. The site will also fully calculate shipping charges directly from the carrier, for each package you purchase.

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AND WHAT SIZES ARE THE PACKAGES OF MACHINE.

• WHAT ARE CURRENT RECOMMENDED IEEE EMF OCCUPATIONAL EXPOSURE LEVELS AND GUIDELINES FOR RADIO BASE STATION ANTENNAS?

The following answer assumes "radio Base Station Antennas" refers to base stations used for personal wireless communications services such as cellular telephone, Personnel Communications Services (PCS), and Enhanced Specialized Mobile radio (ESMR). In the United States, the frequency band allocated for base stations used for personal wireless communications is 869-894 MHz for cellular service, 851-866 MHz for ESMR, and 1930-1990 MHz for PCS. The IEEE exposure limits (maximum permissible exposure—MPE) for occupational exposure (controlled environments where exposures may be incurred by persons who are aware of the potential for exposure) are frequency dependent and are expressed in terms of incident power density. The appropriate value to compare with the MPE is the incident power density averaged over the vertical cross-section of the human body. The occupational exposure limits are also time-averaged over any six-minute interval. The IEEE C95.1-1991 MPE values are shown in the table below:
IEEE C95.1-1991 Maximum Permissible Exposure (MPE) Values
Frequency Band Power Density
General mw/cm2 W/cm2
851-866 MHz f/300 mW/cm2 2.84-2.88 28.4-28.8
869-894 MHz f/300 mW/cm2 2.90-2.98 29.0-29.8
1930-1990 MHz f/300 mW/cm2 6.43-6.63 64.3-66.3
NOTE: f is in MHz
As indicated above, these values are for continuous exposure (t > 6 minutes) and are to be compared with the spatial average of the incident power density. all base stations used for personal wireless telecommunications services in the United States are required to comply with the FCC limits (as mandated by the Telecommunications Act of 1996). The FCC limits are based on a hybrid of the IEEE limits and the 1986 recommendations of the National Council on Radiation Protection and Measurements. The FCC MPEs are the same as the IEEE values for frequencies below 1500 MHz but are capped at 5 mW/cm2 (50 W/cm2) for frequencies greater than 1500 MHz.

Both the FCC and IEEE MPEs for exposure of the public (uncontrolled environments) are one-fifth of the above values. As above, the value to compare with the MPE is the incident power density averaged over the vertical cross-section of the human body. The averaging time for the general public is 30 minutes. Thus, for transient exposures lasting six minutes or less, the MPEs for occupational exposure and exposure of the general public MPEs are the same. For cases of simultaneous exposure from antennas operating in different frequency bands, the ratio of the spatially averaged incident power density in each frequency band to the corresponding MPE for that band is determined and the sum of all such ratios must be less than unity in order to comply.

R. C. Petersen
Manager, Wireless and Optical
Technologies Safety Department

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WHAT ARE CURRENT RECOMMENDED IEEE EMF OCCUPATIONAL EXPOSURE LEVELS AND GUIDELINES FOR RADIO BASE STATION ANTENNAS?

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