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  1. Replies
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    The flooring adhesives I've used are a lot more...

    The flooring adhesives I've used are a lot more flexible than liquid nails. More similar to the type of caulk used in an expansion joint.
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    That is a good point, although I'd use a flooring...

    That is a good point, although I'd use a flooring adhesive as they allow some flexibility vs liquid nails.
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    x3 for teks

    x3 for teks
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    NSW Sorry these went to another member.

    Sorry these went to another member.
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    I have a much smaller, crapper Hafco saw. All my...

    I have a much smaller, crapper Hafco saw. All my blades end up cracked like that but that is after years of service. I once looked up some troubleshooting and cracking is associated with overtension...
  6. I reckon it will be very difficult to weld and...

    I reckon it will be very difficult to weld and the wire will melt back before you form a bead on the base metal. Could only see it working if the wire does not see the arc and you are fusing it to...
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    I'm at the point where I need to buy a boring...

    I'm at the point where I need to buy a boring head.

    404100
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    I was going to suggest that too, although I have...

    I was going to suggest that too, although I have no idea of availablity. Must not be too hard to get as there is an eccentric looking diy build down from where I work that has been clad in it.

    Not...
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    Thanks to everyone for the input. I'll start...

    Thanks to everyone for the input. I'll start chipping away at it.
  10. Replies
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    Ok. I had only thought of this as a completed...

    Ok. I had only thought of this as a completed weldment. I hadn't considered facing before welding the mitre.

    That doesn't actually change my proposed fabrication sequence by much because I was...
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    I had thought of a joint but I think it would be...

    I had thought of a joint but I think it would be more trouble than it's worth.

    I wouldn't get too hung up on tolerances. All the available information relating to accuracy is about the end result...
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    That's the million dollar question that I don't...

    That's the million dollar question that I don't know the answer to. There is some error correction built into the software that eventually controls this thing and I believe it works pretty well but...
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    I've previously had a quick look for when the day...

    I've previously had a quick look for when the day came and I needed one. Idea was to go for a generic insert type such as 'NBH2084' but I'll take any recommendations on board.
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    Cheers. Just flicked through a YouTube vid. ...

    Cheers. Just flicked through a YouTube vid.

    Looks like I need to add a boring head to the shopping list.
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    So if I cut the centre hole and then gradually...

    So if I cut the centre hole and then gradually widen the recess out to 112mm at whatever DOC the boring head will allow. That gets it done?
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    On the lathe? Don't forget I'd like to have it...

    On the lathe? Don't forget I'd like to have it welded to the SHS before machining. So that requires a lot of swing.

    Or a boring head on the mill? I've no experience with a boring head so not sure...
  17. Replies
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    How do I machine this feature?

    Folks,

    I'm just about to embark on a secret project that involves some machining.

    I'm a newby and find my most common struggles are sequencing and set up.

    I want to make this weldment:
    ...
  18. Replies
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    Actually I think the photos just give the...

    Actually I think the photos just give the illusion that the channel is light weight when it is actually very substantial. The rolling bridges are rated at tonnes of capacity.
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    I would say your rated capacity will be limited...

    I would say your rated capacity will be limited to whatever the transmission jack system is rated for. The rail looks pretty light, similar to unistrut and it might be your limiting factor.

    I...
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    For mine the whole purpose of owning a lathe is...

    For mine the whole purpose of owning a lathe is the flexibility to cover a wide range of operations and one of the wonderful things is the ability to cut whatever thread, whenever and wherever you...
  21. Isopropyl alcohol

    Isopropyl alcohol
  22. Evaporust is designed for the item to be...

    Evaporust is designed for the item to be immersed. I think there is even a statement somewhere that it doesn't work otherwise. I have found the CRC branded product to be amazing.

    There is a CRC...
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    I've bought from these guys before. They're not...

    I've bought from these guys before. They're not really set up for counter sales i.e. minimum order cost, awkward counter times, not really interested, but they will do it. Only felt like I was being...
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    Your suggestion is one of the options I'd come up...

    Your suggestion is one of the options I'd come up with however my reservation is that I have no tool grinding experience so could easily end up with a disaster.

    Send it back is another option...
  25. Replies
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    Woodruff Cutter Tolerances

    I'm currently replacing a Bridgeport power feed with a servo style unit (the original power feed has been gutted with a number of critical parts missing).

    To do this I have stripped the Bridgeport...
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    Yeah, right, the range of mag drills goes to much...

    Yeah, right, the range of mag drills goes to much larger than what is currently at the job site. Holemaker has one that claims to be capable of M33 in a blind hole.

    The base design may not...
  27. Replies
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    Field Drill and Tap M24

    Folks,

    I'm currently working on a project that has encountered an issue with a fabricated item. One option to overcome the issue is to drill and tap some blind M24 holes. For various reasons this...
  28. Replies
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    I am having trouble picturing this but something...

    I am having trouble picturing this but something that is the shape of a proper lifting eye (or the proper tool) is what you should aim for. You want the bolt loaded axially so it is in tension. You...
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    The breaking load of a 5/16 NC grade 5 bolt is...

    The breaking load of a 5/16 NC grade 5 bolt is 28kN (2.8t) or grade 8 is 31kN (3.1t).

    I think you would need to do something silly to have a problem lifting 200kg.
  30. Replies
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    I second Karl and Jekyl's comments. I also...

    I second Karl and Jekyl's comments.

    I also watched the linked YouTube. Apparently that was $800EUR worth of bits. There is no doubting that what he made with only a grinder and battery drill was...
  31. Replies
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    I'm not suggesting you buy that exact machine but...

    I'm not suggesting you buy that exact machine but if it exists in Newcastle then you will find something similar in Brisbane.

    You do not need three phase to run a three phase machine. For $1-300...
  32. Replies
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    https://www.facebook.com/marketplace/item/80813753...

    https://www.facebook.com/marketplace/item/808137537481598/?ref=search&referral_code=null&referral_story_type=post

    This is $3850, 800 long and 380 in the gap. Even if it has been worked to death I...
  33. Replies
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    What is the plan for all of the mechanical parts...

    What is the plan for all of the mechanical parts (headstock, feed gearbox etc) and all the precision machining required to make this worthwhile?

    TBH if you could buy what you wanted for $10k then...
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    To be honest I don't think the material testing...

    To be honest I don't think the material testing idea is feasible. These are so many definitions of 'strength' to start with. How are you going to assess stiffness vs ultimate strength? Being a...
  35. There are all sorts of face mills that will fit...

    There are all sorts of face mills that will fit that arbor. Anything with a 22mm bore is probably going fit.
  36. I'm kind of guessing here but if you go shopping...

    I'm kind of guessing here but if you go shopping on AliExpress:

    $100 per scale (x3)
    $1-200 for the dro
    $200+ for a power feed

    You will need to put in the time to work out how to drive...
  37. Replies
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    That sounds familiar... I would think that...

    That sounds familiar...

    I would think that using the lid to support components is generally not great because it makes access more difficult.

    Instead of a tank that is totally integrated and...
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    BTW I checked the thickness of my brick saw tray...

    BTW I checked the thickness of my brick saw tray that I had dipped. Est. 3mm. It warped.
  39. Replies
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    It there any reason you can't manifold your pipes...

    It there any reason you can't manifold your pipes so that your tank is then the same as a single tower setup?
  40. Replies
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    I assume you aren't the only person doing this....

    I assume you aren't the only person doing this. What does everyone else use?
  41. Replies
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    Another option could be to make the structure out...

    Another option could be to make the structure out of whatever you want and insert a liner.

    This all feels like guesswork though. I think you need to provide a better explanation of what you are...
  42. Replies
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    Your experience may vary but around here the...

    Your experience may vary but around here the minimum galvanising charge is about $200 bucks. Sheet will also warp like crazy when they put it on the bath.

    TBH I really don't like silicone. I'd...
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    NSW Magpro 33pc Metric 5C Collect Set

    Just got home to find my order from Magpro has arrived. Yay.

    Not so good is that I've managed to order a set of 5C collets rather than R8.

    The box is heavy so I assume Aust Post won't miss me...
  44. I have always wanted a baby beam wrench for...

    I have always wanted a baby beam wrench for bicycle work but could never justify the cost. I should keep an eye on Gumtree.
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    I tried this. It sort of works. My main issue...

    I tried this. It sort of works.

    My main issue is that once I worked around the tiny vice and all the limitations of the geometry of the setup, it only left an effective work envelope of maybe...
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    Only a generic face mill stuck in the spindle.

    Only a generic face mill stuck in the spindle.
  47. Replies
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    An update to provide closure. Mill was...

    An update to provide closure.

    Mill was eventually dropped off at the end of the driveway after the Hiab got stuck down the driveway and took out a section of my fence getting back out (that is...
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    This thread has a one post wonder feel about it....

    This thread has a one post wonder feel about it. Will we hear from the OP again?
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    Pretty much what Marc said. It looks very...

    Pretty much what Marc said.

    It looks very simple, so when you ask how to go about it, it makes me wonder if this is really within your capability?

    TBH my first reaction is you should just buy...
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    Not really because it is only the outside skin...

    Not really because it is only the outside skin that does the work in bending. The metal at the centreline does exactly zero. You still have 2mm of wall actually doing anything.

    The benefit from...
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