Search:

Type: Posts; User: josef1; Keyword(s):

Page 1 of 20 1 2 3 4

Search: Search took 0.01 seconds.

  1. Replies
    6
    Views
    217

    I looks like a cable crimp to me but a draw plate...

    I looks like a cable crimp to me but a draw plate makes more sense
  2. Replies
    2
    Views
    153

    I love my pin polisher. Its great work getting in...

    I love my pin polisher. Its great work getting in hard to get at parts it doesn't produce a high plolish but it is a good starting point. I have a few different sizes of pins I like the small .3mm...
  3. Replies
    9
    Views
    578

    https://www.youtube.com/watch?v=usT5IXyYaFY&ab_cha...

    https://www.youtube.com/watch?v=usT5IXyYaFY&ab_channel=Josef1

    I made a quick video of how i work out the sizes hope it helps
  4. Replies
    9
    Views
    532

    I used a puk welder at collage it was a bit hit...

    I used a puk welder at collage it was a bit hit and miss for me pardon the pun it did do the job. I have a rofin laser its an old one but it works great it has a microscope on it that I think you...
  5. Replies
    14
    Views
    475

    that looks great nice job

    that looks great nice job
  6. Replies
    8
    Views
    520

    Investment is hygroscopic it absorbs water this...

    Investment is hygroscopic it absorbs water this can effect it if its been left open for ages. But if its been sealed up I dont think it will effect things so much but its not going to help been out...
  7. Replies
    4
    Views
    215

    If its lost wax casting it can be caused by...

    If its lost wax casting it can be caused by incorrect investment mixture it has too much water in it
  8. Replies
    8
    Views
    520

    Its frustrating I know. I run 12 hours for 3"x3"...

    Its frustrating I know. I run 12 hours for 3"x3" flasks for burnout. If you want to send me some of your metal and a wax I will cast it with my setup and send it all back to you back to compare. I...
  9. Thread: Chalcedony

    by josef1
    Replies
    7
    Views
    346

    https://www.etsy.com/uk/listing/1073584087/natural...

    https://www.etsy.com/uk/listing/1073584087/natural-blue-chalcedony-11x8x5-mm-kite?gpla=1&gao=1&&utm_source=google&utm_medium=cpc&utm_campaign=shopping_uk_en_gb_a-craft_supplies_and_tools-beads_gems_an...
  10. Replies
    2
    Views
    167

    if its precious metal usually the stone is set ?...

    if its precious metal usually the stone is set ? You cut the metal away of edge it back until you can remove the stone. can you post a picture of the ring. Im not sure if its glued and i guess it...
  11. Replies
    8
    Views
    520

    Hi David, Whats your burn out procedure is it...

    Hi David,

    Whats your burn out procedure is it correct for the investment. porosity can be from over heating the metal .

    1. Not really I use a system that just drops the metal in with gravity. ...
  12. Replies
    14
    Views
    475

    https://www.assayoffice.co.uk/news/does-your-jewel...

    https://www.assayoffice.co.uk/news/does-your-jewellery-reach-the-standard it may be different in Australia but worth a check.
  13. Replies
    14
    Views
    475

    Where are you based ? nickel silver isn't allowed...

    Where are you based ? nickel silver isn't allowed in the UK. A puck welder or a laser welder may be your best bet or try to invent a mechanical way to hold the stainless pin. I have never had much...
  14. Replies
    2
    Views
    224

    That's cool, I have tried by hand and they are...

    That's cool, I have tried by hand and they are always a wobbly lol, personally I get better angles when setting up new gravers with the machine.
  15. Replies
    2
    Views
    224

    Bargain graver sharpener ?

    I didnt realise how long ago it was but after watching the video it was over ten years ago, I made a graver sharpener https://www.youtube.com/watch?v=8okYiO4paIg&ab_channel=Josef1 sorry for the...
  16. Replies
    5
    Views
    404

    I think the smaller you can make the hoop the...

    I think the smaller you can make the hoop the better. I have had probs with them I try not to use them if I can.
  17. Replies
    8
    Views
    1,430

    Looking at the size of the holes in the inside of...

    Looking at the size of the holes in the inside of the ring it could possibly be back set. It would be difficult to get in and keep all the settings even because of how close to each other they are....
  18. I usually set the kiln for a slowish ramp (0 to...

    I usually set the kiln for a slowish ramp (0 to 230 in about an hour and a half) upto 230 deg C then hold it there for around another 2 and a half hours until you ramp to flask temp then drop and...
  19. What was the ring model made from ? It could be...

    What was the ring model made from ? It could be incomplete burnout.There is still ash sat inside the mould. I think there is a couple of things going on here. What ratio did you mix your investment...
  20. Thread: spinner ring

    by josef1
    Replies
    4
    Views
    435

    I have just made one it was made with sheet and...

    I have just made one it was made with sheet and square wire to fit inside an existing ring. I bent everything up and soldered the ends of the liner up inside the ring. The hard bit was keeping all...
  21. Replies
    2
    Views
    693

    Yes you are correct It about 65grams of PT. Just...

    Yes you are correct It about 65grams of PT. Just find the specific gravity of the metal then multiply it by the weight

    http://www.premierjewelrycasting.com/?page_id=164

    It would defiantly be...
  22. Replies
    8
    Views
    871

    Your temps seem ok I use 1020-1050 to melt...

    Your temps seem ok I use 1020-1050 to melt sterling you want it so the metal is spinning , maybe try a carving wax model (Ferris / Kerr wax or equivalent) and see how that casts. If it casts ok which...
  23. Replies
    8
    Views
    871

    What material are you using for the model ?

    What material are you using for the model ?
  24. Replies
    11
    Views
    1,046

    Nice one thats good

    Nice one thats good
  25. Replies
    11
    Views
    1,046

    What are the rings made from ?

    What are the rings made from ?
Results 1 to 25 of 500
Page 1 of 20 1 2 3 4