Installing a Torch Height Controller in the CNC Plasma cutter. Will it fix all the problems?

Links to all CNC parts and BOM is available on the Making Stuff web page at http://www.makingstuff.info/Projects/CNC_Plasma

3D drawings are available on the Making Stuff Patreon page https://www.patreon.com/makingstuff

Playlist for this project – https://www.youtube.com/watch?v=dYmKRFXfb4I&list=PL4lExYUFHSPy926ACka0Rf6WGTWqWWXS4

Plasma Cutters – http://amzn.to/2wRGkol
Torch Height Controllers – http://amzn.to/2wOs93w

Visit the Making Stuff Amazon Affiliate Store – https://www.amazon.com/shop/makingstuff

Some of the links on this page are affiliate links. This means at no cost to you, a very, very small commission will be paid to Making Stuff to help cover the cost for projects like this one.

LinuxCNC – http://www.linuxcnc.org
Proma THC – http://proma-elektronika.com/index.php/en/products/thc-torch-height-control/compact-thc-150

Thanks for watching!

#cncplasmacutting
#cncplasmatable
#cncplasma

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Installing a Torch Height Controller in the CNC Plasma cutter. Will it fix all the problems? Links to all CNC parts and BOM is available on the Making Stuff web page at http://www.makingstuff.info/Projects/CNC_Plasma 3D drawings are available on the Making Stuff Patreon page https://www.patreon.com/makingstuff Playlist for this project – https://www.youtube.com/watch?v=dYmKRFXfb4I&list=PL4lExYUFHSPy926ACka0Rf6WGTWqWWXS4 Plasma Cutters – http://amzn.to/2wRGkol Torch Height Controllers – http://amzn.to/2wOs93w Visit



In this episode I use my brother’s CNC router (that he originally built for making guitars) to machine out the Z axis motor mount and I build my own 70 volt DC power supply for the stepper motors…

Transformer: Toroidal 750VA 230v AC – 24 x 24 AC output – wired in series – AirlinkTransformers.com
Vishay GBPC3504-E4/51 Bridge Rectifier
3x 4700μF 100V DC 35mm Capacitors
2x 1K2 5W resistors wired in series to discharge capacitors when mains power removed.

Still to do – Fuse the 48V output from transformer and individual outputs to Stepper Drivers.
_____________________________________
DIY CNC Milling machine build.

My objective for this project is to design and build a CNC milling machine without the need for any machining of the parts. Ordinarily, building a mill requires a much bigger mill to get the axis surfaces flat and parallel.

By using aluminum tool plate (which is in theory pre-machined flat) and bolting the critical components rather than welding, it should be possible to avoid any machine work. After all, I’m building a mill because I don’t have one!

Linear rails and ball screws are the cheap Chinese 20mm style that you can find on eBay etc.
__________________________________

Music Credit
—————–
No Quarter – TechnoAXE

——————
Dark vs. Light – – TechnoAXE

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In this episode I use my brother’s CNC router (that he originally built for making guitars) to machine out the Z axis motor mount and I build my own 70 volt DC power supply for the stepper motors… Transformer: Toroidal 750VA 230v AC – 24 x 24 AC output – wired in series – AirlinkTransformers.com Vishay GBPC3504-E4/51 Bridge Rectifier 3x



In this video I begin wiring up the machine, mounting the limit switches and attaching the drag chain for the X axis wiring.
_____________________________________
DIY CNC Milling machine build.

My objective for this project is to design and build a CNC milling machine without the need for any machining of the parts. Ordinarily, building a mill requires a much bigger mill to get the axis surfaces flat and parallel.

By using aluminum tool plate (which is in theory pre-machined flat) and bolting the critical components rather than welding, it should be possible to avoid any machine work. After all, I’m building a mill because I don’t have one!

Linear rails and ball screws are the cheap Chinese 20mm style that you can find on eBay etc.
__________________________________

Music Credits
—————–
No Quarter – TechnoAXE

——————
Broken Toys – – TechnoAXE
Basic Metal 12 – – TechnoAXE
Machine Takeover – – TechnoAXE
Dark vs. Light – – TechnoAXE

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In this video I begin wiring up the machine, mounting the limit switches and attaching the drag chain for the X axis wiring. _____________________________________ DIY CNC Milling machine build. My objective for this project is to design and build a CNC milling machine without the need for any machining of the parts. Ordinarily, building a mill requires a much bigger



In part 13:

– Wiring up the operators control panel
– Add an upper limit switch for the Z axis
– Add a pneumatic strut to support the Z
– First machine movements and backlash testing
_____________________________________
DIY CNC Milling machine build.

My objective for this project is to design and build a CNC milling machine without the need for any machining of the parts. Ordinarily, building a mill requires a much bigger mill to get the axis surfaces flat and parallel.

By using aluminium tool plate (which is in theory pre-machined flat) and bolting the critical components rather than welding, it should be possible to avoid any machine work. After all, I’m building a mill because I don’t have one!

Linear rails and ball screws are the cheap Chinese 20mm style that you can find on eBay etc.
__________________________________

Music Credits
—————–
No Quarter – TechnoAXE

——————
Not According To Plan – TechnoAXE
Broken Toys – TechnoAXE
Dropped the E String – TechnoAxe

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In part 13: – Wiring up the operators control panel – Add an upper limit switch for the Z axis – Add a pneumatic strut to support the Z – First machine movements and backlash testing _____________________________________ DIY CNC Milling machine build. My objective for this project is to design and build a CNC milling machine without the need for



In this video I’ll be building the enclosure around the machine. I have used 3030 aluminium extrusion to construct the frame and 4mm polycarbonate for the doors and front panel. I used a cheaper (but arguably less safe) material for the sides where people are much less likely to be stood if a cutter tries to escape!

I also make some rail extensions and install bellows on the X and Y axes, as well as begin to mount the spindle clamp to Z axis.

In the next episode i’ll be mounting and wiring up the Chinese 3KW ER20 spindle!
_____________________________________
DIY CNC Milling machine build.

My objective for this project is to design and build a CNC milling machine without the need for any machining of the parts. Ordinarily, building a mill requires a much bigger mill to get the axis surfaces flat and parallel.

By using aluminium tool plate (which is in theory pre-machined flat) and bolting the critical components rather than welding, it should be possible to avoid any machine work. After all, I’m building a mill because I don’t have one!

Linear rails and ball screws are the cheap Chinese 20mm style that you can find on eBay etc.
__________________________________

Music Credits
—————–
No Quarter – TechnoAXE

——————
Not According To Plan – TechnoAXE
Basic Metal 12 – TechnoAXE
Future Ghost – TechnoAXE

source

In this video I’ll be building the enclosure around the machine. I have used 3030 aluminium extrusion to construct the frame and 4mm polycarbonate for the doors and front panel. I used a cheaper (but arguably less safe) material for the sides where people are much less likely to be stood if a cutter tries to escape! I also make



This is full video on how to build CNC machine at home. This CNC mill is very rigid it has very high accuracy. It has zero backlash.

Here are some info on build.

Build time: About 500 hours.
Build cost: About $4500

Travels:
Z : 11″ ( 27.9 cm )
X: 22″ (55.88 cm)
Y: 12″ (30.48cm)

Spindle:
5.5 KW ATC BT30 18000RPM from Ebay. ( very happy with it) seller is super nice guy.

https://www.ebay.ca/itm/Combo-ATC-tool-change-spindle-motor-BT30-5-5kw-18k-rpm-VFD-NBT30/184223154689?hash=item2ae48e4201:g:XTQAAOSwPdhdOt~h

Electronics:

BOB: PMDX 424. https://www.pmdx.com/PMDX-424
Spindle speed control: PMDX 407. https://www.pmdx.com/PMDX-407
Stepper motors : Nema 34 1275oz-in
Drivers: DM860d from Ebay

Software:
Mach4.

Mach4-Hobby

Rails:
20 mm Raills for X,Y and Z

Ball screws:
Y ball screw is 20mm
X Z ball screws are 16mm

Couplings:
Bellows style Ruland coupling with zero backlash .
https://www.ruland.com/servo-couplings/bellows-couplings.html.

Frame:
Y Axis
24″ x 14″ X 4″( 64 X 35.5 X 10.1 cm )
Material 1.25″ X 4″ ( 3.1 X 10.1cm )steel

X Axis
35″ X 11″ ( 88 X 28 cm )
Material .500″ (12.7mm) base plate
1.25″ X 3″ walls

Z column
35″ x 8″ X 4″ ( 88.9 X20.3 X 10.1 cm) tube with .500″ (12.7mm) wall thikness
filled with cement.

Enclosure:
Aluminum sheet and angle.

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This is full video on how to build CNC machine at home. This CNC mill is very rigid it has very high accuracy. It has zero backlash. Here are some info on build. Build time: About 500 hours. Build cost: About $4500 Travels: Z : 11″ ( 27.9 cm ) X: 22″ (55.88 cm) Y: 12″ (30.48cm) Spindle: 5.5 KW