Free 173 Best Homemade Tools eBook:  
Become a founding member: 500+ tool plans, full site access, and more.

User Tag List

Page 2 of 3 FirstFirst 1 2 3 LastLast
Results 11 to 20 of 21

Thread: Small Milling Machine Angel Eyes

  1. #11
    Supporting Member Toolmaker51's Avatar
    Join Date
    Feb 2016
    Location
    Midwest USA
    Posts
    2,935
    Thanks
    4,872
    Thanked 2,044 Times in 1,253 Posts

    Toolmaker51's Tools
    Ohhhh, a machine light. Video shot, caught my eye, thinking it was a 'desk lamp" of machine parts.
    I've tried ring lights with disappointing result. maybe they've improved. The problem, parallel illumination "focuses" on area directly below, with little divergence. The large chuck shadows the drill point, unless a long bit.
    Angling two Tensor-type individual lamps [incandescent or LED] at either side is more effective. The best arrangement seems to be one from the back, and left side, lessening interference to operator.

    173 Best Homemade Tools eBook
    Sincerely,
    Toolmaker51
    ...we'll learn more by wandering than searching...

  2. #12
    Supporting Member editor@glue-it.com's Avatar
    Join Date
    Apr 2017
    Location
    UK
    Posts
    124
    Thanks
    8
    Thanked 241 Times in 67 Posts

    editor@glue-it.com's Tools
    Quote Originally Posted by NortonDommi View Post
    Do you get a black spot when the quill is extended? I did when I tried a ring light. I found that lighting from both sides obviated this.
    The light moves with the quill and so doesn't block it. I've tried it with a short 3mm slot drill and it worked a dream, gets even better with longer bits.

    The aluminium foil around the inside of the shade should reflect quite a lot of light and extend the size of the light - the light is very even on the table and on the drill bit

  3. #13
    Supporting Member editor@glue-it.com's Avatar
    Join Date
    Apr 2017
    Location
    UK
    Posts
    124
    Thanks
    8
    Thanked 241 Times in 67 Posts

    editor@glue-it.com's Tools
    Quote Originally Posted by Toolmaker51 View Post
    Ohhhh, a machine light. Video shot, caught my eye, thinking it was a 'desk lamp" of machine parts.
    I've tried ring lights with disappointing result. maybe they've improved. The problem, parallel illumination "focuses" on area directly below, with little divergence. The large chuck shadows the drill point, unless a long bit.
    Angling two Tensor-type individual lamps [incandescent or LED] at either side is more effective. The best arrangement seems to be one from the back, and left side, lessening interference to operator.
    I have made a desk lamp using snubs from a dial gauge support - it's on my gallery

    The reflective foil extends the illuminated area quite a lot, it's working really well.

  4. #14
    Supporting Member DIYSwede's Avatar
    Join Date
    May 2019
    Location
    Stockholm, Sweden...
    Posts
    473
    Thanks
    297
    Thanked 498 Times in 217 Posts

    DIYSwede's Tools
    Dual post - Please ignore

    Cheers
    Johan
    Last edited by DIYSwede; 01-19-2021 at 01:39 AM.

  5. #15
    Supporting Member DIYSwede's Avatar
    Join Date
    May 2019
    Location
    Stockholm, Sweden...
    Posts
    473
    Thanks
    297
    Thanked 498 Times in 217 Posts

    DIYSwede's Tools
    Umm - I checked your nice desk lamp design and build at your site, Nigel.

    One question though:
    1) -Isn't the chosen GU 10 lamp at full mains 230 VAC voltage (or is it below 24 V)?
    If so: You got yourself a protective earth lead to the lamp's base?
    And do you have GFI/ RCD device in your breaker/ fuse box?

    A low voltage transformer/ SELV powered, low temp LED could be mounted in just about anything, as in your mill light,
    but an all metal, mains powered (with perhaps a hot Halogen?) lamp without a proper and connected* earth lead
    could give you a blind date with Darwin when a fault happens.

    I'm not sure how code might've changed in the UK since New Years Eve, but I guess you haven't ditched the CE regulations yet?

    -Just be safe, OK?

    Cheers
    Johan

    *Means NO 2-wire extension cord from outlet to your lamp plug...

  6. The Following User Says Thank You to DIYSwede For This Useful Post:

    Toolmaker51 (01-18-2021)

  7. #16
    Supporting Member Toolmaker51's Avatar
    Join Date
    Feb 2016
    Location
    Midwest USA
    Posts
    2,935
    Thanks
    4,872
    Thanked 2,044 Times in 1,253 Posts

    Toolmaker51's Tools
    Worthwhile considerations of grounding and operating voltage. Here [Midwest US], I'll use 3ph step down transformers for power-feeds, lights, DRO's etc, I hate cords laying around, feed machines from drops. Most are grounded cords; this will have me add GFCI's to cover everything low volt.
    Halogen too hot for this kind of thing.
    Sincerely,
    Toolmaker51
    ...we'll learn more by wandering than searching...

  8. #17
    Supporting Member DIYSwede's Avatar
    Join Date
    May 2019
    Location
    Stockholm, Sweden...
    Posts
    473
    Thanks
    297
    Thanked 498 Times in 217 Posts

    DIYSwede's Tools
    Quote Originally Posted by Toolmaker51 View Post
    Most are grounded cords; this will have me add GFCI's to cover everything low volt. .
    AFAIK: For transformers/ SELV low voltage drive units a GFCI won't be as beneficial as it will be in a full mains voltage circuit.
    A GFCI works by contionously checking for current leakage to anything else than the neutral conductor
    ( i. e. Opens breaker if Phase and Neutral current differs more than a predetermined value: usually<20-30 mA),
    and would thus only protect a transformer's primary mains circuit - not the Galvanically separated secondary's eventual fault.

    As voltages below 60 V are considered "harmless" for humans & animals this is no real drawback.
    Remember that though low voltage might be "safe" - a 12 V 50 W halogen lamp draws over 4 amps each -
    so keep the low voltage cables short and coarse enough to minimize the fire hazard...

    I've actually burned myself at work finding 6 x 50 W halogen lamps in parallel with a "few metres" of molten AWG #18 ...
    The student in question was terribly offeded when I called him a "PhD Candidate in Arson".

    Better knowledgeable and safe than a stupid stiff.

    Cheers
    Johan

  9. #18
    Supporting Member editor@glue-it.com's Avatar
    Join Date
    Apr 2017
    Location
    UK
    Posts
    124
    Thanks
    8
    Thanked 241 Times in 67 Posts

    editor@glue-it.com's Tools
    Quote Originally Posted by DIYSwede View Post
    Umm - I checked your nice desk lamp design and build at your site, Nigel.

    One question though:
    1) -Isn't the chosen GU 10 lamp at full mains 230 VAC voltage (or is it below 24 V)?
    If so: You got yourself a protective earth lead to the lamp's base?
    And do you have GFI/ RCD device in your breaker/ fuse box?

    A low voltage transformer/ SELV powered, low temp LED could be mounted in just about anything, as in your mill light,
    but an all metal, mains powered (with perhaps a hot Halogen?) lamp without a proper and connected* earth lead
    could give you a blind date with Darwin when a fault happens.

    I'm not sure how code might've changed in the UK since New Years Eve, but I guess you haven't ditched the CE regulations yet?

    -Just be safe, OK?

    Cheers
    Johan

    *Means NO 2-wire extension cord from outlet to your lamp plug...
    The light is 3 wire and grounded and has an RCD, also, the connections to the holder fly-leads are soldered and insulated - no bolted terminals to come loose.

    Must admit though that it would be even better as a 12V or USB powered light. The LED bulb is only around 4W.

  10. #19
    Supporting Member DIYSwede's Avatar
    Join Date
    May 2019
    Location
    Stockholm, Sweden...
    Posts
    473
    Thanks
    297
    Thanked 498 Times in 217 Posts

    DIYSwede's Tools
    Thanks for your reply, Nigel - sorry for perhaps barking up the wrong tree - but safety first!

    ATB
    Johan

  11. #20
    Supporting Member editor@glue-it.com's Avatar
    Join Date
    Apr 2017
    Location
    UK
    Posts
    124
    Thanks
    8
    Thanked 241 Times in 67 Posts

    editor@glue-it.com's Tools
    Quote Originally Posted by DIYSwede View Post
    Thanks for your reply, Nigel - sorry for perhaps barking up the wrong tree - but safety first!

    ATB
    Johan
    Hi Johan, that's fine, I completely agree safety first. I still might change this to low voltage and modify it slightly as the base is not wide enough to support the light at full reach. The bulb is LED, but a moulded thick glass and so quite heavy. Best regards, Nigel

Thread Information

Users Browsing this Thread

There are currently 1 users browsing this thread. (0 members and 1 guests)

Tags for this Thread

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •