WHAT ROUGHING CLEARANCE DO I USE IN CAMBAM?

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Question #: 262

Question: WHAT ROUGHING CLEARANCE DO I USE IN CAMBAM?

Current Solution

Use a roughing clearance of 0.02". This will require the parts to be 0.29" apart, but 0.3" may be better.

Respond:

Other Possible Solutions to this Question

WHAT SETTINGS DO I USE IN MACH3 MOTOR TUNING?
blueChick:

X-axis
“CW230 (3.0A) Driver”
Set to 1/16 Microstep, 2.7A
Dipswitches: 11001100
Mach3 Motor Tuning: 1422.22 steps/in

Y-axis
“CW230 (3.0A) Driver”
Set to 1/16 Microstep, 2.7A
Dipswitches: 11001100
Mach3 Motor Tuning: 1422.22 steps/in

Z-axis
“CW230 (3.0A) Driver”
Set to 1/4 Microstep, 2.7A
Dipswitches: 10101100
Mach3 Motor Tuning: 1600 steps/in

blackToe:

X-axis
“CW230 (3.0A) Driver”
Set to 1/16 Microstep, 2.7A
Dipswitches: 11001100
Mach3 Motor Tuning: 1422.22 steps/in

Y-axis
“CW230 (3.0A) Driver”
Set to 1/16 Microstep, 2.7A
Dipswitches: 11001100
Mach3 Motor Tuning: 1422.22 steps/in

Z-axis
“CW230 (3.0A) Driver”
Set to 1/4 Microstep, 2.7A
Dipswitches: 10101100
Mach3 Motor Tuning: 1600 steps/in

blackFoot:

X-axis
“CW8060 (6.0A) Driver”
Set to 1/16 Microstep, 2.7A
Dipswitches: 11001100 (“0”=down, “1”=up)
Mach3 Motor Tuning: 914.29 steps/in

Y-axis
“CW230 (3.0A) Driver”
Set to 1/16 Microstep, 2.7A
Dipswitches: 11001100
Mach3 Motor Tuning: 1422.22 steps/in

Z-axis
“CW230 (3.0A) Driver”
Set to 1/4 Microstep, 2.7A
Dipswitches: 10101100
Mach3 Motor Tuning: 1600 steps/in

greenBull:

X-axis
“CW8060 (6.0A) Driver”
Set to 5.43A, 1/16 Microstep
Dipswitches: 01100110 (“0”=down, “1”=up)
Mach3 Motor Tuning: 914.29 steps/in

Y-axis
“CW8060 (6.0A) Driver”
Set to 5.43A, 1/16 Microstep
Dipswitches: 01100110
Mach3 Motor Tuning: 914.29 steps/in

Z-axis
“CW8060 (6.0A) Driver”
Set to 5.43A, 1/4 Microstep
Dipswitches: 01100100
Mach3 Motor Tuning: 1600 steps/in

Scratch-Build / Book-Build Kit:

X-axis
“CW230 (3.0A) Driver”
Set to 1/4 Microstep, 2.7A
Dipswitches: 10101100 (“0”=down, “1”=up)
Mach3 Motor Tuning: 1600 steps/in

Y-axis
“CW230 (3.0A) Driver”
Set to 1/4 Microstep, 2.7A
Dipswitches: 10101100
Mach3 Motor Tuning: 1600 steps/in

Z-axis
“CW230 (3.0A) Driver”
Set to 1/4 Microstep, 2.7A
Dipswitches: 10101100
Mach3 Motor Tuning: 1600 steps/in

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Scratch built/book CNC with NEMA 34 motors and CW8060 microstep driver

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Click the link to add information to this solution:
WHAT SETTINGS DO I USE IN MACH3 MOTOR TUNING?
What profile do I use in VCarve for a BlackToe?
The blackToe is a CNC Router based on standard CNC Routing and milling actions. If you are referring to a profile machining operation (where the path follows the inside or outside edge of a polygon, line, arc or circle) then the profile is actually more a function what you want the CNC router (blackToe in this case) to do. A profile expects a specific end mill in the spindle and requires the specifications of the end mill in the profile operation.

If you are referring to profile to mean "post processor" or specifications (profile of the control) for the g-code interpretation for a specific control program (like Mach3), then you will need to set the post processor in VCarve post-processor to the control program you are using.

Please provide more specific information here so I can delve in a bit deeper.
Click the link to add information to this solution:
What profile do I use in VCarve for a BlackToe?
How do I determine what CAM program I should use?
There are several specifications related to CAM software that you will need to consider.

1. The CAM software will need to be able to offer the features that match that of the machine you select to perform the fabrication. Some of these machines include, standard 3 axis vertical CNC milling machine, turning machine, and 4 or 5 axis CNC machine.

2. The CAM software will need to contain the features that you feel are necessary for how you will apply the machine. For example, are you making signs? Are you milling parts for a machine? There is a wide array of CAM software that will work well for one application and not another.

3. The CAM software will need to work well with your workflow and processes, and have the user interface that you prefer.
Click the link to add information to this solution:
How do I determine what CAM program I should use?
what program do I use to install ubuntu on my computer?
Here is the direct link to download ubuntu (http://www.ubuntu.com/download/desktop), now installing it to your HDD you will need to install it to a USB or burn it to a DVD. Here is a following guide to install ubuntu (http://www.ubuntu.com/download/desktop/try-ubuntu-before-you-install).

Additional Information:
Ubuntu comes with a program that will replace the controller software (ex Mach 3/Planet CNC), called LinuxCNC, here is the main website (http://www.linuxcnc.org/) and the main download page(http://www.linuxcnc.org/index.php/english/download).
Click the link to add information to this solution:
what program do I use to install ubuntu on my computer?
WHAT LENGTHS OF ROLLER CHAIN DO I USE FOR THE GREENBULL 4X CNC?
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
Click the link to add information to this solution:
WHAT LENGTHS OF ROLLER CHAIN DO I USE FOR THE GREENBULL 4X CNC?
WHAT ELECTRICAL CABLE DO I USE TO CONNECT VFD INVERTER SPINDLE?
The type of wire that should be used between the spindle and the VFD (Variable Frequency Driver also called the inverter) should be of stranded type and we use between 18 and 16 AWG.

The total current is divided among the three coil wires, therefor a wire gauge of 16 should be sufficient.

Currently we use 20AWG 4 conductor.

Additional Information:

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Click the link to add information to this solution:
WHAT ELECTRICAL CABLE DO I USE TO CONNECT VFD INVERTER SPINDLE?
How do I cut on the inside of a polygon using CAMBAM?
The apply a machining operation that cuts along the inside of a polygon, you will need to use the profile machining operation located at the top of the user interface, the first icon in red to the left. Hovering over the icons will inform you of what machining operation the icon represents.

Select the polygon and click on the profile icon. A new profile operation will be created in the left drawing pane (outline of machining operations). Underneath the drawing pane, there is another pane with parameters for the profile listed. Find the Inside/Outside parameter and click just right of that parameter to change the setting to inside.
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How do I cut on the inside of a polygon using CAMBAM?
What settings does I use for controlling the spindle in StepCon/Linuxcnc?
LinuxCNC has excellent documents; however, I would like to offer our help in case you don't understand the information on that page. So, please use this FAQ (Question #: 13233) to state your questions by submitting additional information below.

The LinuxCNC spindle control page is found here: http://linuxcnc.org/docs/html/examples/spindle.html

Additional Information:
After reading the LinuxCNC page my first questions would be can the spindle be controlled by PWM signal? Also, what pin on the parallel port would I set to Spindle Enable and FRW?

Additional Information:
To connect your computer to the VFD, use a USB to RS-485 interface. RS-485 is just a serial interface protocol that uses standard 0 to +5 voltage TTL signal levels for communication (as opposed to RS-232 which uses -12v and +12 for signal level changes).

Get a high quality interface to reduce any issues during the process. The VFD should have two terminals labeled RS+ and RS-. The USB to RS-485 adapter should have this labeled on it as well so the connections should be relatively straight forward.

In the VFD parameters:
PD001: 2 to accept RS485 commands
PD002: 2 to accept frequency comands
PD163: 1 to RS485 slave address:1
PD164: 1 RS485 baud rate 9600
PD165: 3 8bit, no parity, 1 stop bit

Make sure LinuxCNC is also set accordingly:

The PIN14 and PIN16 in the stepconf wizard should be set to unused because you don't want LinuxCNC to be outputting unnecessary signals.

In the options step of the stepconf wizard:
- Check the Include Halui user interface component.
- Check the Include custom PyVCP GUI panel.
- Check Spindle speed display

You will want to edit the custom.hal text file located in the folder that was created from the stepconf wizard. Add these following lines:
loadusr -Wn vfd hy_vfd -n vfd -d /dev/ttyUSB0 -p none -r 9600
net spindle-cmd-rpm-abs => vfd.speed-command
net spindle-cw motion.spindle-forward => vfd.spindle-forward
net spindle-ccw motion.spindle-reverse => vfd.spindle-reverse
net on motion.spindle-on => vfd.spindle-on

The dev folder in linux is typically used for interfacing devices and peripherals to the computer as these devices are communicated by simple memory addresses and these files are linked directly to these addresses.

Under the custom_postgui.hal file, change this line:

from: sets spindle-at-speed true
to: net spindle-at-speed => cfd.spindle_at_speed

and add the line:

setp vfd.enable 1

When you start LinuxCNC, you will a spindle section with the reverse and forward buttons, a stop button and - and + buttons. Use these buttons to conform that the spindle is functioning properly. The spindle speed indicator in LinuxCNC will show the spindle speed and you can confirm that this is equal to the speed indicated on the VFD.

Credit for this helpful information goes to:

Additional information was also added by us to provide a better understanding.

Additional Information:
linuxcnc利用MACH3 接口板 BL-MACH-V1.1的一路经光耦隔离的 0-10V 模拟电压输出，可以控制具有相应模拟接口的变频器，控制主轴转速。输出口为 P1 口，如何利用这个p1口与变频器进行接线来控制主轴转速，并对hal文件配置代码进行书写
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What settings does I use for controlling the spindle in StepCon/Linuxcnc?
If I use a Porter Cable 3-3/4 router motor what size stepper motors do I need?
You can use the standard electronics combo: http://www.buildyourcnc.com/item/electronicsAndMotors-3axis-425-elcombo. The size of the stepping motors are generally sized with the overall machine structural weight, inertia of parts, the type of mechanical parts used to move the axes, and actually, less by the router which is more connect to how the machine is controlled.
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If I use a Porter Cable 3-3/4 router motor what size stepper motors do I need?
WHAT DIPSWITCH SETTINGS SHOULD I USE?
blueChick:

X-axis
“CW230 (3.0A) Driver”
Set to 1/16 Microstep, 2.7A
Dipswitches: 11001100
Mach3 Motor Tuning: 1422.22 steps/in

Y-axis
“CW230 (3.0A) Driver”
Set to 1/16 Microstep, 2.7A
Dipswitches: 11001100
Mach3 Motor Tuning: 1422.22 steps/in

Z-axis
“CW230 (3.0A) Driver”
Set to 1/4 Microstep, 2.7A
Dipswitches: 10101100
Mach3 Motor Tuning: 1600 steps/in

blackToe:

X-axis
“CW230 (3.0A) Driver”
Set to 1/16 Microstep, 2.7A
Dipswitches: 11001100
Mach3 Motor Tuning: 1422.22 steps/in

Y-axis
“CW230 (3.0A) Driver”
Set to 1/16 Microstep, 2.7A
Dipswitches: 11001100
Mach3 Motor Tuning: 1422.22 steps/in

Z-axis
“CW230 (3.0A) Driver”
Set to 1/4 Microstep, 2.7A
Dipswitches: 10101100
Mach3 Motor Tuning: 1600 steps/in

blackFoot:

X-axis
“CW8060 (6.0A) Driver”
Set to 1/16 Microstep, 2.7A
Dipswitches: 11001100 (“0”=down, “1”=up)
Mach3 Motor Tuning: 914.29 steps/in

Y-axis
“CW230 (3.0A) Driver”
Set to 1/16 Microstep, 2.7A
Dipswitches: 11001100
Mach3 Motor Tuning: 1422.22 steps/in

Z-axis
“CW230 (3.0A) Driver”
Set to 1/4 Microstep, 2.7A
Dipswitches: 10101100
Mach3 Motor Tuning: 1600 steps/in

greenBull:

X-axis
“CW8060 (6.0A) Driver”
Set to 5.43A, 1/16 Microstep
Dipswitches: 01100110 (“0”=down, “1”=up)
Mach3 Motor Tuning: 914.29 steps/in

Y-axis
“CW8060 (6.0A) Driver”
Set to 5.43A, 1/16 Microstep
Dipswitches: 01100110
Mach3 Motor Tuning: 914.29 steps/in

Z-axis
“CW8060 (6.0A) Driver”
Set to 5.43A, 1/4 Microstep
Dipswitches: 01100100
Mach3 Motor Tuning: 1600 steps/in

Scratch-Build / Book-Build Kit:

X-axis
“CW230 (3.0A) Driver”
Set to 1/4 Microstep, 2.7A
Dipswitches: 10101100 (“0”=down, “1”=up)
Mach3 Motor Tuning: 1600 steps/in

Y-axis
“CW230 (3.0A) Driver”
Set to 1/4 Microstep, 2.7A
Dipswitches: 10101100
Mach3 Motor Tuning: 1600 steps/in

Z-axis
“CW230 (3.0A) Driver”
Set to 1/4 Microstep, 2.7A
Dipswitches: 10101100
Mach3 Motor Tuning: 1600 steps/in

Additional Information:

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Scratch built/book CNC with NEMA 34 motors and CW8060 microstep driver

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WHAT DIPSWITCH SETTINGS SHOULD I USE?
My router runs in mirror image on the Y axis only so what can I do?
If you are using Mach3, go into the config menu, , Ports and Pins, and click the motor outputs tab. On the line for the axis you want to change the direction, toggle the DirStepLowActive box. This will reverse the direction of the axis.
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My router runs in mirror image on the Y axis only so what can I do?
[797] What power supply should I use for this relay?
The dual 24VDC relay can use any 24V power supply that outputs 24V DC. A great power supply that will work well with this dual 24VDC relay is this power supply: https://buildyourcnc.com/item/electronicsAndMotors-power-supply-24v-1a-dc
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[797] What power supply should I use for this relay?
WHAT CAN USE BELOW MY WORKPIECE AS SUBSTRATE IN BLACKTOOTH LASER CUTTER?
A cutting surface. I bought myself a aluminum 'egg crate' mesh from my local HVAC company. They are used a cover for fluorescent lights and work great for low impact cutting surface. They come in 4'x8' sheets and are easily cut to fit. The other side is if you can find a steel honeycomb cutting bed to fit. These can be quite costly or fairly affordable depending where you are looking. The benefit of a steel honeycomb is you can use high power magnets to hold material down.
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WHAT CAN USE BELOW MY WORKPIECE AS SUBSTRATE IN BLACKTOOTH LASER CUTTER?
[77] What circuit breaker should I use for this spindle?
The 2.2kW spindle has a power rating of 2.2kW or 2200 watts.

If the VFD AC voltage input is rated for 220 volts, then 2200 watts / 220 volts is 10 amps, so a 15 or 20 amp breaker will work.

If the VFD AC voltage input is rated for 110 volts, then 2200 watts / 110 volts is 20 amps, so a 25 or 30 amp breaker will work.

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[77] What circuit breaker should I use for this spindle?
what size circuit breaker should I use with the 2.2KW VFD?
The 2.2kW spindle has a power rating of 2.2kW or 2200 watts.

If the VFD AC voltage input is rated for 220 volts, then 2200 watts / 220 volts is 10 amps, so a 15 or 20 amp breaker will work.

If the VFD AC voltage input is rated for 110 volts, then 2200 watts / 110 volts is 20 amps, so a 25 or 30 amp breaker will work.

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what size circuit breaker should I use with the 2.2KW VFD?
[79] What size circuit breaker should I use for this VFD?
The 2.2kW spindle has a power rating of 2.2kW or 2200 watts.

If the VFD AC voltage input is rated for 220 volts, then 2200 watts / 220 volts is 10 amps, so a 15 or 20 amp breaker will work.

If the VFD AC voltage input is rated for 110 volts, then 2200 watts / 110 volts is 20 amps, so a 25 or 30 amp breaker will work.

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[79] What size circuit breaker should I use for this VFD?
What wiring should I use to connect two motors for one axis?
Yes, you can use 2 motors in the same axis output, however you will still need a driver for that motor! Also depending on the orientation on which you mount the motor you might have to invert the direction of the motor, and that will be simple by swapping the A+,A-, to the B+,B- locations and vice versa, from the driver to the motor wiring.

Also you can run a slave motor using another axis on the board, and setting it up in the Planet-CNC settings.

Planet-CNC/File/Settings/Axes, here you will enter 3 in the Number of Axes location, and then change the Function of the Axis 4 to Slave 1. There you will have the 4th axis or A-axis be a slave for the x-axis.
Slave 1 - X-Axis
Slave 2 - Y-Axis
Slave 3 - A-Axis
Slave 4 - B-Axis
Etc...

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Do you act as if it's one motor and it goes to one controller on the motherboard?
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What wiring should I use to connect two motors for one axis?
IF I DON'T HAVE A PARALLEL PORT, WHAT DO DO?
If your computer does not have a parallel port, all you will need is a low cost PCI parallel adapter card (these can be found on amazon for $15-$20). If you plan on using a laptop (not recommended) you can try to find a PCMCIA parallel adapter, but many people have frequent issues with this setup. A more expensive solution would be to purchase a USB smooth stepper board. Unfortunately, we do not supply any of these adapters and cannot attest to their reliability.

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IF I DON'T HAVE A PARALLEL PORT, WHAT DO DO?
what do I need to hook up the electronics?
Here is a list of the parts needed to get the electronics combo functioning (parallel or USB interface options):

- 22 or 24 gauge stranded hookup wire to connect all of the drivers to the USB or parallel interface (terminal to terminal connections),
- 18 gauge stranded hookup wire to connect the drivers to the power supply,
- a power cable (extension cord) to connect from the power outlet to the power supply,
- 4 conductor cable to connect the drivers to the stepper motors,
- a USB cable to connect from the computer to the USB interface (or for power to the parallel interface),
- for the parallel interface, a parallel cable is needed (male to male db-25),
- a computer (for parallel interface, the computer will need a parallel port and if the computer does not contain a parallel interface, the motherboard may have a header for it, or you can purchase a parallel adapter to plug into the motherboard, very inexpensive),
- cnc control software: for the USB interface, you will need planet-cnc software, for the parallel interface, you can use any industry standard cnc control software (the typical is Mach3 for Windows, or EMC2 or Linuxcnc for Linux (Linuxcnc.org).

5v power supply is not needed. The 5 volts signal level power is derived from the computer through USB on both types of interfaces.
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what do I need to hook up the electronics?