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### Question #: 11173

Question: what is the outside diameter of each opening on the metallic T connect for the Vacuum System Cups and Nozzle for pick and place?

Current Solution

The outside diameter on the T-Connector is 1/4" (.25 inch)

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### Other Possible Solutions to this Question

• WHAT IS THE LEAD TIME FOR REDFROG PICK AND PLACE MACHINE?

You can expect a two week lead time for the redFrog pick and place machine.

WHAT IS THE LEAD TIME FOR REDFROG PICK AND PLACE MACHINE?

• IF WE ASSUME DESIRE TO PLACE THE RED LEAF 6' AWAY FROM TABLE, HOW MUCH CABLE IS NEEDED CONNECT MOTORS ON TABLE ITSELF?

blackToe requires a minimum cable length of of 15 ft for X, 17 ft for Y and 18 ft for Z for the redLeaf to be positioned at midpoint along the long axis and under the table. Each axis would need have 6 feet extra (form the midpoint)

IF WE ASSUME DESIRE TO PLACE THE RED LEAF 6' AWAY FROM TABLE, HOW MUCH CABLE IS NEEDED CONNECT MOTORS ON TABLE ITSELF?

• Can I make the whole for the router larger? This is for a blacktoe and the whole is about 1/4 inch in diameter too small.

If you are using a router that will not fit into the router mount, it is best to have the mount requested from us. The mounts were designed with the appropriate thickness of material for structural purposes and to maintain this structure under load.

Can I make the whole for the router larger? This is for a blacktoe and the whole is about 1/4 inch in diameter too small.

• I HAVE THE REDFLY SYSTEM AND A 2.2KW SPINDLE - 110V HOW DO CONNECT SPINDAL?

It is not necessary to connect the spindle VFD (Variable Frequency Drive also called an Inverter) to the computer or CNC motion electronics. The VFD can be controlled independently using the control panel on the VFD. The control panel has the ability to control all aspects of the spindle including Speed, Torque, limits, etc. However, you can connect the VFD to the computer so the CNC control program can control the spindle during the CNC Machine operation. You will need to connect the VFD to the computer via a serial conection (in this case, it is the RS-485 protocol).

The following are instructions on how to connect the VFD to Mach3 via this RS-485 serial connection.

The first thing you will need is the dynamic link library to pair with mach3 called the Huanyang VFD Mach3 PlugIn. You can find this file at the mach3 support forum here: http://www.machsupport.com/forum/index.php/topic,14182.0.html

Follow the pdf that comes with the library file, but here is a synopsis of what you need to do (I also added a lot more information that may be useful during this process as the manual does not cover the main connections that need to be done):

You will need to program your VFD so that it knows how to communicate with mach3 and the computer (go into the programming mode of the VFD and change these parameters):
- PD001 - value 2 - Enables with communication aspect of the VFD
- PD002 - value 2 - Enables frequency control from the communcations port
- PD163 - value 1 - VFD address
- PD164 - value 1 - Baud rate of 9600 (speed of the communication)
- PD165 - value 3 - 8N1 RTU - 8 bits (that's the size of the word that gets communicated), N (No parity or no error checking) and 1 (1 stop bit)

Copy the dll file to the PlugIns folder of mach3.

Connect the RX and TX lines to your computer. There are a couple ways you can do this, but the recommended way would be to use an FTDI USB device which converts a USB to a serial com port. The device will have Rx and Tx connectors to connect to the VFD terminals with the same labels. This method is recommended since serial ports are not as common in computers these days.

Next, you will need to configure mach3 to use the plugin library. Start mach3 and click on Menu -> config ->Config Plugins. Enable the new plugin by clicking on the red cross on the left column next to the plug in. Restart mach3 after doing this.

No you need to configure mach3 to use the HuanyangVFD plugin. Go to the ports & pins configuration and select the spindle setup tab. Make sure that the Disable Spindle Relays checkbox is unchecked. We don't want mach3 to output a signal for a relay since the spindle will start up and turn off within the VFD and not from an external relay.

Next, go to the HuanyangVFD settings by clicking on Menu -> plugin control -> HuanyangVFD. Set the parameters to the same settings you put into the VFD programming. The com port will be shown as new hardward when you plug in the USB FTDI device. A little bubble will be displayed at the bottom right where it will notify you that a new device is being installed (be patient while windows assigns a com port). Alternatively, you can use the windows device manager to see which port was set for the new USB FTDI device). You may need to restart mach3 several times until you get the correct information displayed in the PD001 and PD002 fields. When the com port is correct and the other parameters, like baud and VFD address is the same as you entered in the programming, then the PD001 and PD002 will show the number 2, otherwise, a 99 will appear which means that communication was not successful.

You can now control the on/off and RPM of the spindle using the RS485 communication between mach3 and the VFD.

The question was how to connect the spindle to the redfy. I did not receive a VFD.
I have the redFly system and a 2.2kW Spindle - 110V how do i connect the spindle?

Hi, how is this setup in mach4?

I HAVE THE REDFLY SYSTEM AND A 2.2KW SPINDLE - 110V HOW DO CONNECT SPINDAL?

• For cutting with the BlackTooth, what is the best type of clear plastic/acrylic to use, and can you recommend a source?

The blackTooth will cut acrylic very easily. The type of acrylic (cast or extruded) is not important since the acrylic itself has 100% absorption with CO2 lasers. Any plastic retailer, even the home improvements stores will have sheets of acrylic.

Avoid using plastics that will off-gas toxic and corrosive fumes. One example is PVC which is Polyvinyl Chloride. The burning of that material will exhaust chloride into the air and combine with the hydrogen in the air causing a chemical reaction yielding hydrochloric acid which is corrosive and highly toxic to humans.

Always read the MSDS (Material Safety Data Sheet) for any material that you intend to burn with the CO2 laser.

For cutting with the BlackTooth, what is the best type of clear plastic/acrylic to use, and can you recommend a source?

• WHAT IS THE PICK AND PLACE LEAD TIME?

You can expect a two week lead time for the redFrog pick and place machine.

WHAT IS THE PICK AND PLACE LEAD TIME?

• Hi Patrick What is the name of that organization for CNC enthusiast in Houston and Katy TX and phone number please. Thanks

The CNC group is a splinter group of the Woodworker's Club of Houston" and can be found at this website: http://wwch.org

They have regular meetings at the location specified on their homepage. You can also go there and talk to some of the CNC group's members.

Hi Patrick What is the name of that organization for CNC enthusiast in Houston and Katy TX and phone number please. Thanks

• Which spindle should I use for PVC and Trespa (Hardwood)? Max diameter of cutter = 16mm Max thickness plate = 20mm

Either material, PVC or Trespa can be milled using our standard 2.2kW spindle.

https://buildyourcnc.com/item/spindle-inverter-2!2kw-spindle-vfd

Which spindle should I use for PVC and Trespa (Hardwood)? Max diameter of cutter = 16mm Max thickness plate = 20mm

• The outside edge of the pocket and edges edded up being very rough, with lots of splinters and loose fibers

Try slowing your feedrate down and increasing spindle RPMs. End-mills will leave a poor finish if you go too fast. Make sure your cutting depth isn't too much. Maybe the endmill or cutter is blunt? Could it be the feed direction of the cutter? Some materials need to be fed in a certain direction.

The outside edge of the pocket and edges edded up being very rough, with lots of splinters and loose fibers

• New here, what is the best 3 axis kit for a Sherline 5400? Higher torque and quietness is my goal. Thanks

The required motors are the 425 oz-in stepping motors, would be the required motors to run the machine efficiently.

New here, what is the best 3 axis kit for a Sherline 5400? Higher torque and quietness is my goal. Thanks

• Re: From Sketchup ... There are always software version problems with different computer setups. Please, what is the specific hardware and software used to make this system?

I need more information to properly answer this question. Are you referring to computer hardware to make SketchUp work, or how to setup a CNC machine to work with SketchUp?

Re: From Sketchup ... There are always software version problems with different computer setups. Please, what is the specific hardware and software used to make this system?

• WHAT IS THE SYSTEM PASSWORD FOR LASER CONTROL UNIT?

WHAT IS THE SYSTEM PASSWORD FOR LASER CONTROL UNIT?

• 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.

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

• On your diagram it says to connect the power to the VFD in port L1, L2 and PE. On the VFD I have there is no L1 or L2. Which ports do I connect my input power to? There is only a P+, P-, R, S, T, U, V, W, and PE. What do I do?

On "our" VFDs, we advise that the R connect to black (live), T connect to white (neutral) and green to E or earth. We are not professional electricians, so we also recommend that you seek the advice of a professional electrician. Some VFDs are made to work on 3 phase power and this configuration may not work with these VFDs.

• from what I understand, The BlackTooth Laser comes with an open bottom with no bed, does one pull air through this opening for fume ventilation through the bed?

On the blackTooth laser cutter and engraver, the ventilation is at the back and there is a slit at the bottom front so when the machine is placed on a surface, the air will move from the front of the machine and out the back through the ventilation. This will move the particles past the mirrors and tube output efficiently with a reduced likelihood of building up on these important surfaces.

from what I understand, The BlackTooth Laser comes with an open bottom with no bed, does one pull air through this opening for fume ventilation through the bed?

• The LED light on one of my Microstep Driver Blinks while the other 2 remain solidly lit. What should i look for?

Have you tried to lower the amp setting on the driver that has the blinking LED.

The LED light on one of my Microstep Driver Blinks while the other 2 remain solidly lit. What should i look for?

• WHAT IS THE FORMULA TO DETERMINE STEPS PER INCH OR RESOLUTION FOR EACH AXIS?

The formula and calculation is a starting point to get into the area of steps per inch. You will then need to use the mach3 calibration utility to get the exact steps per inch.

Formula:
step per inch = (motor steps * microstepping) / (travel at one turn of the motor in inches)
if microstepping is set at 16 (1/16 on the driver) then and you are using a sprocket and chain with a pitch of .25 inches and 12 teeth on the drive sprocket
= (200 * 16) / (12 * .25)
= 3200 / 3
= 1066.666 steps per inch

For lead screw that has a travel of .5 inches at one turn like the 5 start 1/2 inch lead screw and using 4 microsteps per step (1/4):
= (200 * 4) / (.5)
= 800 / .5
= 1600 steps per inch

Remember to use the mach3 calibration wizard and double check the driver microstep setting.

WHAT IS THE FORMULA TO DETERMINE STEPS PER INCH OR RESOLUTION FOR EACH AXIS?

• The 6 holes that connect the top base and bottom base of the cnc has measurements from the end but I don't see the side measurements.

Specifically which machine is this for? Also I do not understand the question? Are you referring to the width of the machine? or the length?

I'm talking about the "building your own cnc" book I bought. I printed the pdf file cutouts for the plywood and the two bottom pieces (2'x4') has measurements for the 6 holes that join them together from the ends but no measurements for how far the holes are from the sides of the base pieces. Thanks

The 6 holes that connect the top base and bottom base of the cnc has measurements from the end but I don't see the side measurements.

• The blue insert on my laser cutter nozzle broke during install. Is there anywhere I can find a replacement.

Yes, we will provide one on the website (4/10/2014).

The blue insert on my laser cutter nozzle broke during install. Is there anywhere I can find a replacement.

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