Search found 226 matches

by Nigel K Tolley
Thu May 29, 2014 9:09 pm
Forum: Assembly
Topic: Flanged ball bearing will not fit the Z-axis motor mount
Replies: 31
Views: 4074

Re: Flanged ball bearing will not fit the Z-axis motor mount

Can't you just use a real vise?

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by Nigel K Tolley
Tue May 27, 2014 12:17 pm
Forum: Build Logs
Topic: NKT's plasma plan
Replies: 5
Views: 1327

NKT's plasma plan

I want to buy an eShapeoko kit for Fizzpop, the (newish) Birmingham hackspace. I'm a director, & because we are quite poor and relatively new I'm going to pay for it. The plan is to wire a plasma torch to it, giving us a proper metal cutting facility. (I'm yet to place the order for an eShapeoko, du...
by Nigel K Tolley
Sun May 25, 2014 11:44 pm
Forum: LinuxCNC
Topic: Embedded Camera
Replies: 18
Views: 9702

Re: Embedded Camera

Save yourself some money and just find one of those (fairly distinctive) black bodied webcams for under £10 then strip off the clamp and mod the little stump it clamps to. If you grind the ball off you are left with a decent approx 1/4" shaft for mounting. Wind the focus lense out to get a close up ...
by Nigel K Tolley
Sun May 25, 2014 11:33 pm
Forum: For Sale
Topic: For Sale V1 Kit (no rotary tool) assembled SOLD
Replies: 22
Views: 2996

Re: For Sale V1 Complete Kit (no rotary tool) assembled $450

You should probably state the size on the axes?

Sadly I'm in the UK, so no use for me.

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by Nigel K Tolley
Sun May 25, 2014 6:34 pm
Forum: Member Projects
Topic: Quadcopter - Where to get Fiberglass-Epoxy Sheets in UK?
Replies: 5
Views: 1207

Re: Quadcopter - Where to get Fiberglass-Epoxy Sheets in UK?

Could you not just spray paint it? Dual colour would give you a way to tell front from back at range.

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by Nigel K Tolley
Sun May 25, 2014 1:01 pm
Forum: Electronics
Topic: Weak Motors.. Helpppp...
Replies: 4
Views: 770

Re: Weak Motors.. Helpppp...

It is a trade off. More power leads to more heating.
So yes, for maximum power you will want heat sinks and things will get hot (ter).

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by Nigel K Tolley
Sun May 25, 2014 12:59 pm
Forum: Electronics
Topic: NO MOVEMENT IN NEMA 17 ON ANY AXIS
Replies: 6
Views: 736

Re: NO MOVEMENT IN NEMA 17 ON ANY AXIS

It could be though - if the checksum doesn't, the board will likely reject the GRBL input to prevent it being overwritten with garbage.

Check that what you are trying to upload is correct, first.

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by Nigel K Tolley
Mon May 19, 2014 8:07 pm
Forum: 3D Printing
Topic: RepStrapOko
Replies: 42
Views: 9228

Re: RepStrapOko

Can't you turn the extruder 90 degrees, then flip the entire machine on end? You'd then get a huge height build platform, and it would likely give you more travel on the former Z axis by removing the height of the extruder from the issue.

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by Nigel K Tolley
Mon May 19, 2014 8:01 pm
Forum: Discussion
Topic: Magnetic Clamps
Replies: 6
Views: 993

Re: Magnetic Clamps

You can buy ace switchable magnets for not that much money. They make great clamps.

Bear in mind that magnets don't hold as well to thinner base material and are rubbish for even thin non magnetic stuff. You'll need a big and heavy steel baseplate.

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by Nigel K Tolley
Sun May 18, 2014 10:53 am
Forum: Discussion
Topic: End Mill Life
Replies: 2
Views: 458

Re: End Mill Life

It entirely depends on the material. You can think of it like this: If you wanted to take a Stanley knife and cut 500 metres of wood, how many blades would you need to do the job? The mill spins that little cutter at (say) 10k rpm. So a 5mm cutter outside edge covers pi×0.005 metres per revolution, ...