Brushmakers Forum- calling all Turners

Discussion in 'The Brush' started by jtspartan, Mar 4, 2019.

  1. GAW9576

    GAW9576 Well-Known Member

    Very cool seeing some of the process in turning on a metal lathe. It's simultaneously similar to and different than wood turning.
    I'd like to see the process for barber pole knurl. I can't remember if anyone asked if you can do barber pole knurl.
     
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  2. MrEE

    MrEE Half Naked Shave Stalker

    The crossed knurl uses two wheels, one with a left hand angle and one with a right hand angle. Barber pole or angled knurling just uses two right or two left handed wheels. The rest of the process is the same, but I imagine it's more temperamental as the cross pattern tends to cover small issues a little better. Perhaps I will get a set of wheels for it and see what I can do.
     
    Last edited: Feb 8, 2020
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  3. jtspartan

    jtspartan appropriately stimulated, via Netflix

    I’m finding this very fascinating, Evan. So much more technical than woodturning, with very precise tolerances.
     
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  4. jtspartan

    jtspartan appropriately stimulated, via Netflix

    Depending on the wood and the drill bit, smoke on a wood lathe is pretty common, actually.
     
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  5. MrEE

    MrEE Half Naked Shave Stalker

    I wouldn't need to be so precise if I wasn't knurling, but if the circumference isn't right the teeth don't land in the same groove on each pass and you end up with a mess.

    It is facilitating to compare the tools and techniques. I have no feel for cutting anything by hand. The feedback I get is tool noise and resistance and vibration in the dials.

    I'll have a much harder time when it comes to turning curves. My options are either, make a fixture for guiding the lathebit around a curved cut, making custom shaped bits, or turning on my CNC mill. We'll see.
    Interesting! I guess it makes sense because the wood itself will burn. No way I should see smoke while drilling aluminum. That bit is dull.
     
  6. MrEE

    MrEE Half Naked Shave Stalker

    Interest in these seems pretty high. Multiple requests from people at work and on TSD. I may have offered one to a few people too.

    Knurling produces a gray paste that flings everywhere, but I kinda like the look of a dirty lathe.

    PSX_20200208_185212.jpg
     
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  7. 9nein9

    9nein9 El Scratcho

    Always found the barberpole pattern was harder to grip than the crossed pattern depending on metal of course.
     
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  8. Enrico

    Enrico Popcorn

    If you could duplicate the handle to a Ronson razor or a Wilkinson 7 day razor for a DE that would be cool!

    :eatdrink047:
     
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  9. GAW9576

    GAW9576 Well-Known Member

    I like the barber pole knurl that has deeper groves for the barber pole twist but still has cross hatching for grip. To me the best looking knurl I've seen is on the Gillette Bulldog. This is a pic from Google images. Unfortunately I do not own a Bulldog.

    [​IMG]
     
  10. GAW9576

    GAW9576 Well-Known Member

    Those look great. I'm not surprised people are interested in them.
     
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  11. 9nein9

    9nein9 El Scratcho

    That would provide a better grip.
     
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  12. MrEE

    MrEE Half Naked Shave Stalker

    Hmmm... I have some ideas. I bet a course wheel paired with a fine wheel would work. Pre-sizing the piece would be more difficult as you'd have two pitches to line up. I suppose it could be done in 2 steps as well which still wouldn't be easy. Let me see what I can figure out.
     
  13. 9nein9

    9nein9 El Scratcho

    20200209_095742.jpg 20200209_095726.jpg
    Top is a Wilkinson sword. Bottom is Rockwell. I prefer the knurling on the Rockwell especially if handle gets wet.
     
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  14. MrEE

    MrEE Half Naked Shave Stalker

    The Rockwell knurling is easy... well that finish quality on stainless steel is never easy, but the knurling pattern is not complicated.

    The multiple thread pitch knurling has me intrigued. I'm embarrassed how long it took me to figure out the math... duh... 35 threads per inch is SMALLER than 25 threads per inch.

    You guys are making this both hard and fun at the same time. I predict epic failure many times before making anything that looks good.
     
  15. 9nein9

    9nein9 El Scratcho

    Its all Greek to me now that I've been away from a metal lathe for so long. Used to have a few things I turned in high school shop class but not a clue where I stored them. Knurling was fun, cutting threads were a different story.
     
  16. jtspartan

    jtspartan appropriately stimulated, via Netflix

    Made 2 all-resin handles. First time completely away from my beloved wood turnings...
    Bit of a back story here. A good friend asked me to make a replica of an Omega 10098 handle in green, with an Omega 10098 knot and hopefully keeping the metal band. I made a blank and poured the green resin. Had some extra, added some coral coloured powder and poured enough for a ‘chubby’ handle.
    Well, apparently there was an air bubble in the green resin blank:
    21B79C86-78A0-46A0-B76F-0A7CB8D13846.jpeg
    Was there enough resin above it to turn a 10098 dupe? Of course not, by 1/8”. Time to make chicken salad from chicken you-know-what. Got a decent sized handle from it still. You can see the remnants of the air pocket in the pic below:
    F755D438-6328-4368-A4F7-B351B484F829.jpeg
    Sanding and 10 coats of CA later, and I’m happy enough with the results. The finish on the green one isn’t perfect, but it is basically perfect on the ‘chubby’. Adding the coral to the green resulted in a nice bronze metallic colour. It is a different style for me, but I did see a Milk Churn handle from Joseph that inspired me a bit. The coin on the bottom is a Rotary coin. My own touch on it, I suppose. There is a Zenith boar in the Green handle, and I am awaiting a Omega Pro 48 monster for the Chubby:
    FFFE9CBB-D515-4A76-A9BB-F80E342B4D14.jpeg
    0F6075EA-F1B4-4E66-A465-AA147E5C27BF.jpeg
    Not sure whether I’m keeping either or not, starting to accumulate quite a few boars.
    That was the last of my resin. I have to buy more to make that 10098 dupe still...I think I’ll make a spare to avoid another issue.
     
    Last edited: Feb 9, 2020
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  17. 9nein9

    9nein9 El Scratcho

    Wow Jason! Outstanding work my friend. My foray into resin was a failure which led me back to my beloved wood . Hated the odors and the long stringy shavings anyway. Nice to see you salvage the green one and make something beautiful from it . Love the color of the chubby as well!
     
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  18. brit

    brit in a box

    cool looking brushes Jason..
     
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  19. MrEE

    MrEE Half Naked Shave Stalker

    Those are really awesome! Is the resin difficult to turn?

    I ordered a few items needed for anadizing. Basically just titanium wire and some screws. My plating tools will do double duty. I'll have to drill and tap inside the bore. Still need to find some good anadizing dyes as well.
     
  20. jtspartan

    jtspartan appropriately stimulated, via Netflix

    I don’t know if I’d say more difficult, Evan. More finicky to get good blanks without issues. I have had a few not turn out. All resins are not the same. First brand I used was very easy to turn, but didn’t always harden perfectly. This last brand is a little more brittle, but always hardens. They do polish so nicely.
    I’m not expert with resins, that’s for sure.
     
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