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  1. #1
    Join Date
    May 2003
    Location
    Perth WA
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    3,784

    Default Fluros in the Workshop

    Last weekend while I was retrieving a sheet of 2400 X 1200 ply out of the timber rack I lifted it into the middle of a fluro tube. As I was directly under the tube when it broke it speared into the top of my head. It could have been worse and I definately have to do something about it to prevent it re-occuring. There are six single fluros in my shed and they do not have covers. It will be expensive to replace all the units so before I do that I would like to see if anyone has come across a means of covering the tubes to make them safe. I am not sure if I am a slow learner or a fast forgetter but I did a similar thing five years ago with a ladder.

    cheers,
    Rod

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  3. #2
    Join Date
    May 2003
    Location
    Kuranda, paradise, North Qld
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    62
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    Default

    Rod, you could go to an electrical wholesaler/supplier and buy some mesh guards, or you could make some out of arc mesh or similar. The other possibility is going to a sheetmetal shop that produces stainless equipment for catering. Any fluros used (ie in bain maries or salad bars) have to be encased so that if they should break the glass won't contaminate the food. They use a tough clear plastic cylinder as a protective sleeve. It will lessen the chance of the tube being broken and prevent you getting speared should breakage occur.

    Mick

  4. #3
    Join Date
    Nov 2002
    Location
    Sydney, NSW, Australia
    Posts
    38

    Default

    Hi Rod,

    The wire mesh guards would be the best solution ... unfortunately, they're (relatively) very expensive! At my local electrical wholesaler, a batten with guard is twice the price of a batten with a plastic diffuser. Also, in your case, you only need the guard, not the whole fitting, and I doubt if you'll be able to persuade someone to sell you the guard alone (or if they are made to retrofit generic battens in the first place). My wholesaler certainly doesn't sell guards by themselves.

    Wherever I've had a situation where I was afraid of breakages, I've planned ahead and bought a batten with diffuser. As a rough guide, a single batten with diffuser recently cost me something like $24. Depending on your budget (and whether you might be able to use the existing battens elsewhere) you might be able to swallow hard and live with the cost of replacement.

    The diffuser is obviously not as strong as the mesh guard. However, in some ways, it's actually better than the mesh because it's a solid piece of plastic. Not only does this prevent thin objects slipping through and hitting the tube, it also means that if the tube does break somehow, the pieces are contained (and no mercury vapour randomly scattered all over the place, which has got to be a good thing!)

    If buying new fittings really is out of the question, you might be able to whip up some rough and ready protection out of clear perspex or something similar. It mightn't look pretty, but it should work. If you do create your own protection in this way, just be careful that you allow enough separation between the fitting/tube and your protective enclosure, so that the enclosure isn't affected by the heat given off by the light and its associated ballast. Fluoros run fairly cool, though, so I don't imagine this being a big problem.

    I have to say that my workshop also has fluoros, but I didn't bother with protecting my lights. I've never broken one; I just take extra care when moving large objects and watch out for the lights.

    Hope this helps!

    Michael.

  5. #4
    Join Date
    May 2003
    Location
    Perth WA
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    Default

    Thanks for your replies. I will follow up on the wire tube covers and compare it to replacing the units with diffusers. One way or the other I will be doing something this time!

    cheers,
    Rod

  6. #5
    Join Date
    Nov 2001
    Location
    Parkside - South Australia
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    3,318

    Default

    Make up a box out of some scrap mdf and put that over the fittings. The quality of the light may be reduced but there will be no more broken globes.
    Now proudly sponsored by Binford Tools. Be sure to check out the Binford 6100 - available now at any good tool retailer.

  7. #6
    Join Date
    May 2003
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    Perth WA
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    Default

    That's exactly what I wanted to hear - some good lateral thinking there Sir Stinkalot.
    Perhaps high reflective paint applied to the inside of the box would improve the light or perhaps another tumbler or three of malt will let me see the light.

  8. #7
    Join Date
    Mar 2003
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    x
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    Default

    Thinking even more laterally, scrap the guards and wear a helmet.
    But
    Would you remember to wear it ?

    Seriously though, if you go with Stinky's suggestion, why not line them with aluminium cooking foil, shiny side out .

  9. #8
    Join Date
    May 2003
    Location
    Perth WA
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    3,784

    Default

    Thanks for the suggestion
    I took a trip to Bunnings and they sell a fluro lamp with a platic coated wire cover. The wire is bent to form almost a "U" shape and this gives it quite good rigidity. The fittings to attach the wire cage are steel straps fixed under the lamp and extend in much the same shape as the wire cage but in the reverse. There is always more than one way to solve a problem and this bulletin board is a great medium to get feedback. Until I fix the problem I will wear the helmet not only for your suggested use but also to protect me from the one who should be obeyed but rarely is.
    Until then maybe a few nights studying it while testing the malt might keep me out of harms way.
    cheers,
    Rod

  10. #9
    Join Date
    Jun 2001
    Location
    Perth, WA (Ellenbrook)
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    73
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    Default

    Rodm

    I have done exactly the same thing in my workshop. Made a helluva mess. It was a double fluro and I broke both tubes.

    My solution was to go to the local steel merchant and buy an 8x4 sheet of galvanised mesh for about $30. It is fairly strong stuff with a 25x25 mesh.

    I cut it into strips with a pair of side cutters and folded each strip over a piece of 6x2 scrap by clamping it onto the 6x2 and bashing the sides over with a rubber mallet. (Sounds rough, but they actually turned out quite neat). Ended up with 8 U shaped screens 6" wide by 3" deep for my 8 double fluros. Made up some hangers with some 4mm galv wire and voila.

    There ain't no piece of timber thats gonna get thru those babies.

    Took about two hours to complete and fit the whole lot.

    Worked for me!!!!

  11. #10
    Join Date
    Oct 2002
    Location
    NSW
    Posts
    1,610

    Default

    If you fitted a mini-cyclone to the ends of the MDF protectors, you could channel the condensed light out through some galvanised downpipe.

    You could use some gutter angles to direct the light to your primary work areas.

    Save running around with a helmet on.

    Or, maybe Triton could sell an add-on lamp for their face mask?

  12. #11
    Join Date
    May 2003
    Location
    Toowoomba, Qld
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    80
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    Default

    I think you would have to use six inch PVC rather than gal dowmpipe, to reduce light loss fromfriction. Check with Wayne.
    If we learn by our mistakes, I have had a wonderful education!

  13. #12
    Join Date
    Jan 2003
    Location
    Gympie QLD
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    61
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    1,095

    Default

    Yep - go with the PVC. Don't want to slow down the light. Might become water if it drops below the speed of light
    Wayne
    ______________________________________________
    "I'd be delighted to offer any advice I have on understanding women.
    When I have some, I'll let you know."
    Picard

    * New Website - Updates Coming Soon *
    http://wayneswoodwork.davyfamily.com/

  14. #13
    Join Date
    Jul 2000
    Location
    Drop Bear Capital of Gippsland (Lang Lang) Vic Australia
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    74
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    6,518

    Default

    It would appear that the malt bottles are empty now!
    Stupidity kills. Absolute stupidity kills absolutely.

  15. #14
    Join Date
    Jan 2003
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    Gympie QLD
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    1,095

    Default

    It would appear that the malt bottles are empty now!
    Watcha talkking about!! I'm stonne soober kold (hic). Neverr touck the stuffff (burp).
    Wayne
    ______________________________________________
    "I'd be delighted to offer any advice I have on understanding women.
    When I have some, I'll let you know."
    Picard

    * New Website - Updates Coming Soon *
    http://wayneswoodwork.davyfamily.com/

  16. #15
    Join Date
    Jan 2001
    Location
    NSW
    Posts
    196

    Default

    Hi,

    You could make some clear covers from 3mm perspex.
    If you go to a salvage yard you may even find some old diffusers from large industrial fluros which you could cut down.
    Any type of metal mesh will cut down the light.

    Glen

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