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Type: Posts; User: Swarfmaker1

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    I've bought a few Ozito tools in the past. Most...

    I've bought a few Ozito tools in the past. Most have failed through normal use. The worst of them was a 10" compound sliding mitre saw. Somehow the saw blade arbor screw came loose and the blade left...
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    No problem. I'm not a fan of Aussie Post at the...

    No problem. I'm not a fan of Aussie Post at the moment either. Their tracking is rubbish lately.
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    I didn't create a circuit diagram for it as it...

    I didn't create a circuit diagram for it as it was more of a prototype. At the time I was designing a 3 phase inverter which used 6 IRFP460 MOSFETs and an embedded CPU so I had a few MOSFETs to...
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    It was difficult to see under the inductor but...

    It was difficult to see under the inductor but eventually I noticed it. In the end the board failed for some other reason. I went through two of these boards before junking them both and designing...
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    Check the PCB pad around Indictor leads. I had...

    Check the PCB pad around Indictor leads. I had one stop because of a cold solder joint. It worked by arcing from teh lead to the pad and then eroded the pad o the point where the spark could't jump....
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    Thanks for the feedback. Once I get the crank...

    Thanks for the feedback.

    Once I get the crank balanced I'll start pounding some hot steel and get some videos, but first what to do about the dollies! I need to come up with a scheme to hold them...
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    Ray, What about chasing the threads like they...

    Ray,

    What about chasing the threads like they did in the old days. If you screw cut the threads into a a piece of steel plate with the single point threading tool in the lathe chuck and the plate...
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    Do they ship internationally? I Wonder what the...

    Do they ship internationally? I Wonder what the postage is like?

    Peter.
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    Speaking from personal experience the main reason...

    Speaking from personal experience the main reason for using a specialized holder for end mills and slot drills is to prevent the cutter walking out of the jaws. It's mainly an issue with spiral...
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    Tyre Hammer

    Hi Folks, I thought I'd share a picture of the tyre hammer I've been building. The ram is about 15kg or 30 pound and stroke is about 6 inches. I have yet to fix the dollies in place and counter...
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    Karl, I'll play with the pressure but the spare...

    Karl, I'll play with the pressure but the spare tips are yet to arrive so I can't do much until then. Hopefully tomorrow. The way the post works these days you never know when to expect things.
    ...
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    OK Thanks for that. I'll read the other thread on...

    OK Thanks for that. I'll read the other thread on plasmas which I think condenser setup was described. I did mean a condenser using a second tank.
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    I use LinuxCNC for a mill and a lathe. I did see...

    I use LinuxCNC for a mill and a lathe. I did see the benefit of having a compact unit in an Arduino and the RAMPS board. I use a laptop mostly these days and having the Printer front end on that is...
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    Triden, that's a good way to start. I've never...

    Triden, that's a good way to start. I've never tried mach3 or Linuxcnc for 3d printing others have done it with success. The hot ends are easy to build.
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    Thanks for that, I did seem to have all the...

    Thanks for that, I did seem to have all the problems on the thicker material, probably moved to fast and then started gouging and spraying all the metal back into the tip. The orifice became...
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    Have a look here http://www.reprap.org/wiki/Prusa...

    Have a look here http://www.reprap.org/wiki/Prusa

    You can build this from Aluminium extrusion or various sheet products. It's a simple but proven design.

    Electronics available from BilbyCNC ...
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    Yes building your own should cost you a few...

    Yes building your own should cost you a few hundred $$. Looks like a lot of people spend silly money on these. I've built a few from scratch. You can get everything locally or off ebay. It's an open...
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    Thanks for the info . I have a LOTOS LD5000...

    Thanks for the info . I have a LOTOS LD5000 sourced from eBay undoubtedly of Chinese manufacture. From your replies I think it's my technique at fault. I seem to get a lot of metal spatter shooting...
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    Plasma Cutter help

    Hi guys, I received my 50 amp plasma cutter and now trying to cut with it. Everything is working although the tip that came with it has been rapidly eaten by the plasma arc after a few cuts. Some...
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    I have all three books and not overly impressed...

    I have all three books and not overly impressed with the content. Frankly not worth $100 or more each. Fifteen years ago they sold for $70AUD new, too much then. Fancy paying that for references to...
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    OK, thanks that settles it.

    OK, thanks that settles it.
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    Guys, I've been looking at this thread intently...

    Guys, I've been looking at this thread intently and wondering if these cheap plasma cutters use argon shielding gas? Can someone clarify for me please. I was under the impression that shielding gas...
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    I believe EDCON steel still supply engineering...

    I believe EDCON steel still supply engineering steels. You might have to talk to head office to order it. Have a look at the website and play with the steel finder search engine. It lists free...
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    I've tried TouchDRO and as an Android app it's...

    I've tried TouchDRO and as an Android app it's not bad. The hardware side of it is a dogs breakfast. The TI MSP430 implementation appears to do most scale types. The Arduino version only does iGaging...
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    The super blue would more than likely to be same...

    The super blue would more than likely to be same as my recipe if it's smells like sal volatile. The copper carbonate is soluble in Ammonia solution and turns blue. It does go very dark but how black...
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    Bob, Try the cloudy ammonia but pour it into a...

    Bob,
    Try the cloudy ammonia but pour it into a jar and let settle , then decant off the top liquid. The soap seems to settle to the bottom. I've had good result with cloudy by doing this. Your blue...
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    I've used Copper Carbonate in Ammonia Solution...

    I've used Copper Carbonate in Ammonia Solution with good results and long lasting finish. To get Copper Carbonate, use Copper Sulphate reacted with Sodium Bi-Carbonate in distilled/deionised water....
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    Coming in a bit late on this thread...I recently...

    Coming in a bit late on this thread...I recently made a new TDI gear for my Nuttal Herbert and from memory I used something like a 12DP gear cutter which was close to the original involute form, I...
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    Thin parting blade

    How about making a parting tool from a discarded razor blade. Grind it to suit but don't overheat it as it will loose temper. This can also be done with a hacksaw blade, preferably HSS. This will...
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    I don't have the tailstocks for the tables but...

    I don't have the tailstocks for the tables but the tailstock is similar to the one on my Dividing Head and they are a fiddle. The tables have a 2MT or 3MT socket and you can use a dead centre in that...
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    Yes it is. It's the skinny lever on the ring...

    Yes it is. It's the skinny lever on the ring behind the graduated dial. The other one on the deck with Tommy bar is the lock. Loosen the lock and then move the eccentric lever. You can actually...
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    That should've read eye loup rather than mould...

    That should've read eye loup rather than mould ###. Typing from my android device.
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    I'd lean towards CLR or oxalic acid, something...

    I'd lean towards CLR or oxalic acid, something that attacks the oxide rather than the metal. Check the damage under a 10x eye mould. You shoould see micropitting which you can't get at with the...
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    Also consider backlash elimination , the vertex...

    Also consider backlash elimination , the vertex has it but the other may not. With that in mind ensure you check whichever vertex one you get from H&F. Take it out of the box and work the eccentric...
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    She's off. I turned up a large 2.5" washer and...

    She's off. I turned up a large 2.5" washer and drilled 3 holes eqispaced on a 42mm PCD and used a gear puller. Now I need to see to the brass cam. This appears to be partially keyed or at least the...
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    Ok thanks I see three holes atop the flywheel....

    Ok thanks I see three holes atop the flywheel. I'll make up a plate for it.
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    old victa mower flywheel

    Howdy all, I have an old victa mower fifties vintage and it needs to be stripped down for a rebore. I can't see how the flywheel comes off but assume its keyed to the shaft. There's a nut which has...
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    I have nearly all the wps books. Keep in mind...

    I have nearly all the wps books. Keep in mind these are compilations of material from model engineer magazine and MEW. Most are good. Some irrelevant like workshop Electrics. The volumes on...
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    If anyone has a sketch of a straight edge I could...

    If anyone has a sketch of a straight edge I could probably get some made here in Sydney.I could machine a 36" on the Bridgeport and perhaps get it ground, I know MTA have the facillities to grind...
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    I'd come an get it if you were closer unless...

    I'd come an get it if you were closer unless there's an easy transport option.
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    I'd come an get it if you were closer unless...

    I'd come an get it if you were closer unless there's an easy transport option.
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    Greg,I'd take the Howard junior off hour hands in...

    Greg,I'd take the Howard junior off hour hands in a flash. They make a marvellous noise. I have a bullfinch with non original motor.
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    Big Shed, Thanks for that I'll contact him and...

    Big Shed, Thanks for that I'll contact him and get him to send one when available.

    Cheers,
    Swarfmaker1
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    Thanks Metalman, I appreciate the heads up....

    Thanks Metalman, I appreciate the heads up. Looking at the photos the tailstock and chuck are for the lathe. Not certain about the rest of it. Pick up only though. Probably 50 or 60 KG worth of goods...
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    Thanks, I've seen that one, too dear for me. I've...

    Thanks, I've seen that one, too dear for me. I've shot an email off to minitech enquiring about their item. Probably too exepensive again.
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    Thanks Joe, I'll let you know.

    Thanks Joe, I'll let you know.
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    Joe, It's around 1/2" deep. I'll hang out for a...

    Joe, It's around 1/2" deep. I'll hang out for a new one from Ebay for another month. RightMicro is the ebay store), I'll keep watching, the guy says he has an endmill run with his supplier and will...
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    By the way I checked CTC with no luck.alibaba...

    By the way I checked CTC with no luck.alibaba looks promising but they want too much personal info for me to be interested. I'm shaking my head at the beautiful teaser they pretend you're...
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    Thanks for the offer, I may take you up on it. I...

    Thanks for the offer, I may take you up on it. I missed that auction by a week as usual and it will be a while before he gets them in again but he didn't say exactly when. I have the Bridgeport table...
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    Looking for a 55 degree dovetail cutter.

    Hi folks, I'm making a new top slide for my nuttal Herbert and require a 55deg dovetail cutter. Anyone have one to sell or swap? I've tried the usual places and not willing to mortgage the workshop...
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