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  1. #461
    Technologist
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    Jul 2017
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    Best if they can finish it. Maybe a pint or two at the pub. Anyway, cutting oil, go slow, and back out often to clear debris. More oil. I don't do it often, but that's what works for me. Excited to see you working on it again. Definitely not DESKTOP.
    I'm ready to try some flex filament.
    Do you worry about moisture in your filament? Do anything to remedy it?

    Can't say enough good things about PrintBite. I still smile when the print just pops off. Thanks for that pointer.

  2. #462
    Super Moderator curious aardvark's Avatar
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    Jul 2014
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    alas I showed darren and he said 'you need an engineering firm for that'.
    Apparently even though it says engineering in their frim title - they don't have any of the right gear.
    Don't even have a clamp for their pillar drill that will hold it in place.
    His idea was a centre punch and a big hammer.
    So I passed :-)

    So I think I might, knock the bit off that's sticking out of the hole with a hammer and figure out some way to clamp it so i can have a go with my pillar drill (change it to it's slowest speed) and a titanium nitride coated drill bit.
    Logical - to my way of thinking - would be to start with a very small drill and work my way up.
    Failing that, every time I see these things on a shopping channel I'm tempted to buy them: https://www.drillallsales.com/
    probably not as good as they claim. But I only want it for the one job :-)
    Bugger it - bought a 4.5mm bit. If I hurt it, they say they'll send me another one. So we'll see :-)
    Figure at £5.99 it's worth a punt. Cheaper than postage would be on another strut anyway.

    I reckon I can clamp the strut in my workbench and put the drill on that with the head offset .
    Should be fun lol
    I'll have another go at cleaning the aluminium out of the grooves of the other two threading bits and use oil :-)

    Oh yeah my big laser engraver arrived yesterday. 30x40cm. Has a sort of user manual, but no build instructions or links to software, instructions etc.

    On the postiive side. There was no customs form or value on the parcel, so no import tax. I think it's been shipped to the uk in a container, massively undervalued and then delivered with hermes - a budget uk delivery firm who clearly don't ask daft questions like: 'you pay import tax on this? '.
    So that's good :-)
    Did find a build video on youtube which looks like the same kit. Very strange way of using the belts to move stuff. Not something I would ever have worked out for myself in a million years.

    What I really need is work, running out of money :-(
    I do have a shed full of tropical hardwood (that's not an exaggeration) and a bunch of woodworking gear. So custom engraved plaques, mats coasters etc are definitely in the future.
    Last edited by curious aardvark; 04-18-2018 at 06:01 AM.

  3. #463
    Technologist
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    Jul 2017
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    186
    I hope you get some work. Need that money to pay essentials, then a few toys. Are you skilled in woodworking, kool if you are. Good money in that. Also consider cabinet making.
    Back to the broken tap. Consider reverse left hand drills bits. They will provide some torque to help remove the tap as you are drilling. Yes, you instinct is correct. Start with making a small flat spot on the break as close to the center as you can. Then take a sharp punch to make a small indentation to hold the drill bit from wondering. Then us a small bit to drill a hole and work you way up. Use that cutting oil to keep your bit sharp. If you use easy-outs, be careful as that have a habit of snapping also. Good luck.

  4. #464
    Super Moderator curious aardvark's Avatar
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    3mm bungee cord arrived today.
    Going to be perfect for the suspended extruder.

    I still don't know why it needs to be elasticated. But as every suspended large delta I've seen has an extrduer suspended by elasticat material. I guess it's been tested and proven a good idea.

    Even more reason I think to beef up the belts as th extruer bouncing around has to put extra stress on the carriages and belts.
    You'd think anyway.

    Currently waiting for 50 tennis balls to arrive so I can go test my new slinging target.
    Also invented a tennis ball picker upperer.
    The flexible tennis ball valve was printed with flexible pla on the he3d k200.
    http://slinging.org/forum/YaBB.pl?num=1523898343

    Think the flexbile socket brackets were done partly on the he3d and partly on the flashforge before it got ill.

  5. #465
    Technologist
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    Jul 2017
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    186
    So CA, how is your BB going? We need a progress report. ;-)

  6. #466
    Super Moderator curious aardvark's Avatar
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    haven't got round to buying a new horizontal strut yet. Currently spending most time on the laser engraving.
    Also come to the conclusion that I need to buy pre-threaded struts.

    Plus it's bloody hot in my workshop.
    :-)
    It's not abandoned - i could really have done with it for a mini-itx case that I've had to break down into 4 parts.
    Plus money's been tight recently as well.

    I need to get moving on the struts - probably need 2.
    it's 28c in my workshop and even with a big fan blowing on me - there's only so much you can take lol

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