60W Chinese Laser Engraver Modification

The Craftmans Shop > New from Old

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AdeV:

--- Quote from: John Stevenson on August 24, 2015, 06:03:59 PM ---In which case do NOT go to www.908.ltd.co.uk and look at all the goodies tat, they have for sale.

--- End quote ---

I love the way you've got the text authentically wonky in that picture - must have taken ages :poke:

BTW, the webite not to visit is www.908ltd.co.uk...

I need to resurrect the Micromat... ancient PCB drilling/routing machine, but will make an excellent engraver.

awemawson:
You're too late John, I was browsing their goodies last night :lol:

John Stevenson:
My parcel from them just landed 5 minutes ago. Also got a parcel of black anodised alloy sheet off Ebay for plates. They will engrave but not cut these.
You can use any colour but as the lettering is always white because it burns down to the base coat you need a good contrast. Black is best, the gold hardly works unless its in the right light and the clear anodised looks like the Italian flag, white cross on a white background.

Not my part but this is what the black plates come out like.

A while ago I bought some of the parts racks from Machine Mart, the 4 x 4, 5 x 5 and the 6 x 6 drawer units. These are very good quality, not at all tinny.
In the 6 x 6 units you get 3 rows of full drawers and 3 rows with 2 dividers in. However if you only have small parts like 3mm nuts even one of these divisions is too much and they get lost unless you buy 7,000

I cut little cardboard boxes out of 1mm or 1.5mm cardboard sheet and fold them up. Then I can get 3 square boxes in one division, makes for a very tidy setup.

awemawson:
Reviving an old thread here but it is relevant :palm:

When I bought this Laser Engraver there were other offering from the same seller that seemed identical, but came with a 4th Axis and a VERY much larger price ticket, so I never went down that route. My version has the socket and cabling and the rotary axis is used in place of the Y axis by unplugging the Y axis driver cable and plugging this one in.

I've been keeping an eye on eBay since I bought the laser but have never seen one until recently when one popped up at an almost acceptable price, and a bit of negotiation around 'best offer' got one on the way to me :ddb:

However when it arrived the main spindle bearing had been dislodged from its housing, presumably as there was no retainer and it had suffered a bump - the mass of the attached chuck ripping it out :bugeye:

Now other than this problem it was fairly well made, so after a further bit of negotiation and a further discount I agreed to keep it and repair it. Well the 'round tuit' happened today :clap:

awemawson:
In use there is little force on the bearing - the laser exerting no cutting force - the design seems to rely on Loctite to retain the bearing against a shoulder

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