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Looking good. Just a passing, friendly thought - if you've not got/planned it already - it's generally recommended for a little air-assist, particularly with composite materials, so when you ablate...

A useful reminder to me to not ignore/assume the basics

One thing I've not seen mentioned, is how are the laser and arduino powered, and are they suitably connected?

If both are powered from the same 12V supply, they should already share a common...

Argh, my eye's they burn!...:hysterical::hysterical::hysterical:

Nice to see you are back in the game, I thought we had lost you it's been so long. Nearly on the home straight..:encouragement:

Hello Fivetide

Love the avatar by the way!!

What's wrong with that - it looks great to me - looks like a classic OpenBuilds style machine

They have posh names for them like Cartesian and...

Remember electricity does not care about the colour. In Spain the black wire is the live phase, where as here it used to be red now it it brown :apthy:

Okay, I've spent 2 minutes on the Makerbase website and given up - have you got instructions for the board, and in particular which are the A+/A- and B+/B- terminals on those 4 way plugs?

If so -...

As long as the correct coil pairs are matched, the only difference it'll make is what direction the motor runs.

Just to expand on that JST are a range of solderless connectors and have different types within the range. Have a read here:
https://en.m.wikipedia.org/wiki/JST_connector

Probably JST-XH?

Looks like a JST.
Pretty common connector, and you'll find premade pigtails available from various sources, if you don't want to crimp your own.

Then keep a fire extinguisher handy :)

You'll lose coherency on anything other than a polished surface, the amount of energy reflected back into the LED - there'll be some, but not a huge amount. ...

I'd personally not put a sheet of ali under an unenclosed laser. I'd put down a sheet of something sacrificial that'll absorb the laser, not reflect it around!


One thing you'll want to add is a...

Watching with interest. I'm not quite flush enough to punt £130 on a whim, but it you report good things then it's a good option.

Can I advise - get a thin sheet of ali to sit on the bed of your...

Don't think so. The 20 or 25mm refers to the length I think.

It depends what you mean by hybrid. Pretty much all stepper motors you buy now are technically hybrid motors (most square motors are hybrid), and they are far better than conventional (typically...

If you use a TB6600 stepper driver set to 4A
a stepper motor rated at 4.2 amps will run at the 4A set by the driver so there should be no problem
the motor torque will be reduced to 4/4.2 of...

Always best to check. Glad you got it going:joyous:

My thoughts too, if fixed force.
For fixed speed a stepper, stepper driver, variable frequency pulse generator and toothed pulleys & belts.

I would just take out the x and y zero

N20 G91 G28 X0.000 Y0.000 Z3.001

G91 tells the machine to move in reference mode
G28 tells it to return to reference point ...

read more there:...

For thin veneers I use a bandsaw to resaw a thicker piece of timber then sand flat.

There's also these rather thicker veneers if any use

DavidDyke.co.uk

navigate to; catalogue - electric...

Read on through this lot until you find a post from Chris Leonard who says that he has won a case against them and will help anyone out.
Might be your best bet.
Who are TimeTalk.co.uk ? - Broadband...

Or perhaps this ? Buy Punch & Die Kits Hand punch kit with die key RS DA1230 online from RS for next day delivery. ....Rob

A bit like these:-
Q.max Sheet Metal Hole Punch 25mm
But I don't think they are made down to 5mm. ...Clive

fivetide,
Anytime my friend as I have been there done that and have the tee shirt to prove it!

NEVER take anything for granted and then double check as you will usually be wrong.

Don't ask:})