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  1. #1
    Join Date
    Dec 2009
    Location
    Melbourne
    Posts
    100

    Default Tips/Tricks on avoiding the "Bloody hell its hot and down my shirt" dance

    Ok, im kind of getting sick of doing the "Bloody hell its hot and down my shirt" dance while machining stuff up on the lathe. Especially when using the autofeed to do massive roughing cuts on aluminum, which seems to produce the nastiest bloody boiling hot chips around.

    I dont think a chip guard would really help, as i regularly mount up stuff which would require the chipguard to be halfway into my arms to operate the lathe, like this:

    A 308mm disc on a 320mm swing lathe.

    This is what i find nasty though:


    Turning down large amounts of alu with the autofeed. I have about 4 or 5 decently deep and nasty 3mm^2 burns on my back/upper neck/chest from bits of swarf last night.

    So, any suggestions on how to avoid doing the aforesaid dance?

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  3. #2
    Join Date
    May 2002
    Location
    in the outer reaches of Sth Oz
    Age
    75
    Posts
    1,604

    Default

    I use an old style dust coat and button it up BUT that doesn't stop the hot swarf landing inbetween my toes. Maybe time to get rid of the japanese safety boots
    What this country needs are more unemployed politicians.
    Edward Langley, Artist (1928-1995)

  4. #3
    Join Date
    Dec 2009
    Location
    Melbourne
    Posts
    100

    Default

    I find the worst is getting bits down the shirt, or caught in the stubble

    Thinking ill make a little perspex chip guard but attach it with magnets to the top cover, so its quickly and easily removable for larger items.

  5. #4
    Join Date
    Aug 2008
    Location
    near Rockhampton
    Posts
    4,304

    Default

    Do what I do and get a brazilian and wear nothing...Then it won't catch anywhere But you have to watch other bits getting caught in the feed screw....

  6. #5
    Join Date
    Aug 2005
    Location
    Cranbourne West
    Age
    72
    Posts
    3,612

    Default

    Don't, I repeat don't leave your overalls open when all you've got on underneath are a pair of nylon budgie smuglers and you're taking serious roughing cuts on EN36. Nylon jocks stick when they melt DAMHIKT.
    To grow old is inevitable.... To grow up is optional

    Confidence, the feeling you have before you fully understand the situation.

    What could possibly go wrong.

  7. #6
    Join Date
    Aug 2008
    Location
    Adelaide
    Age
    68
    Posts
    834

    Default

    I think my skin is used to small burns after many years of welding but I do what I can to stop the swarf attacking me. I'm the same as fxst above, I wear a shop coat buttoned up to the neck over overalls and long work boots with my hair tied back. That solves the chips down the clothes issue - but it doesn't solve the problem of swarf embedding itself in in my long beard. She who must be obeyed usually finds it at the most in-opportune time!

  8. #7
    Join Date
    Aug 2009
    Location
    australia
    Posts
    14

    Default

    If you have any steel banding laying around, you know the stuff that is wrapped around loaded pallets to stop the load from escaping, well, go cut of a bit about a couple of inches long. Undo the screw holding the tool down closest to the workpiece, insert the bit of steel banding, lock down the tool screw, bend the banding up a tad to clear the workpiece and align it over the top of the cutting tip.
    Now them big blue bloody hot chippies are deflected down towards the chip tray, you can now shove your nose back over the job and watch what's going on once again.

    If your hacking away at brass or bronze and getting showered in $hite, then grab an old buggered paint brush and shove that over the tool tip, now them hot little chippies are headed for the chip tray where they belong. Another good dodge for brass and bronze is, if you can, turn the tool over so the cutting tip is upside down, then run the lathe in reverse, all chippies now instantly go down into the tray.

    john

  9. #8
    Join Date
    Dec 2009
    Location
    Melbourne
    Posts
    100

    Default

    At the moment im finding its the ones which arnt flying off immediately but rather make it a whole revolution and then spit up the back on the upstroke again and sizzle into my face/body.
    Was tempted last night to tape the collar on my coat around my neck to stop any more going down.

  10. #9
    Join Date
    Jun 2007
    Location
    sydney
    Age
    64
    Posts
    3,566

    Default

    Dont stand directly in front ,stand off to one side.

  11. #10
    Join Date
    Jul 2007
    Location
    Ipswich
    Posts
    61

    Default

    there is a shop called "Reverse Garbage" in South Brisbane. they sell odds and ends, and business off cuts of just about anything, and one thing they get cheaply is the off-cuts of the clear plastics used by sign makers. Very cheaply. and all sorts from the Poly vynial to the cyanoacrilic.

    so for only 2 dollars, I can end up with several different size viewing shields, that I then attach to my lathe by sticking Pot Magnets to them (with hot melt glue), or tap a 3mm countersunk bolt through them if they are a bit heavier. has quite a range of sizes..

    quickly stops the shrapnel... and yet still lets me see what is going on.

    Quickly removed, and cheap enough that if damaged they are easily replaceable..

    There should be plenty of plastic's people with off cut bins out there...

    Regards, Sandy

  12. #11
    Join Date
    Jun 2008
    Location
    Newport, Victoria
    Posts
    116

    Default

    You could try a wood turning supply place for a woody's turning smock which has a velcro adjustable collar for keeping splinters out.

    Christian

  13. #12
    Join Date
    Sep 2008
    Location
    Prince George BC Canada
    Posts
    90

    Default face shield

    I use old faceshield lens as a "handheld" shield. They are curve and clear so you can hold them where ever the chips a coming from and still see thru it, but I do still just kinda peek around it when getting close to the should on a cut. They work well on the mill too!
    al
    Remember if the ID exceeds the OD the hole will be on the outside!

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