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Grainsbanner

  • Profile Type: Regular Member
  • Networks: Europe
  • Profile Views: 15,863 views
  • Friends: 26 friends
  • Last Update: January 17, 2019
  • Last Login: October 13, 2021
  • Joined: February 1, 2012
  • Member Level: Default Level
  • Updates
  • Info
  • Friends(26)
  • Albums(5)
  • Forum Posts(15)

Updates

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  • Rudolf Molnar
    Rudolf Molnar added 1 photo(s) to the album Rudolf Molnar:
    January 31, 2016
    • Leszek Kralka, Ewa Buksa, preeti kala, Chris Hierholzer, Vivek Das, Szvetlána Tóth, and Kavita Dhankar like this.
    • Rudolf Molnar
      Trish White This is a beautiful ring -
      • August 7, 2015
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      • 1 likes this
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    • Rudolf Molnar
      Ewa Buksa The design is perfect. Congratulation.
      • November 19, 2015
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      • 1 likes this
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    • Rudolf Molnar
      Vivek Das awesome....
      • January 29, 2016
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    • Rudolf Molnar
      Leszek Kralka Super !!! Dlaczego nie robisz na srebrze ?
      • February 1, 2016
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    • Rudolf Molnar
      Charles Winkel Beautiful work
      • May 18, 2017
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Info

Personal Information

  • First Name Rudolf
  • Last Name Molnar

Contact Information

  • Are you an Enamel Artist, Student Or Metalsmith self taught artist
  • What Best Describes Your Enameling Style? Slavic and historical jewellery,mostly cloisonne on fine silver, enamelling on copper
  • Country Of Origin Slovak republic

Friends

  • Trish White Welcome Sara Welcome USA
  • Marek Vanek
  • Mario Severin
  • Sydney Bristow
  • dario scagliotti
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Albums

  • Forum Phot­os 1 photo

  • DEUTSCHES ­KLINGENMUS­EUM SOLING­EN 7 photos

  • Wall Photo­s 7 photos

  • Profile Ph­otos 1 photo

  • Rudolf Mol­nar 102 photos

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Forum Posts

  • January 17, 2019 4:04 PM EST
    in the topic Polishing enameled piece in the forum General Discussions
    Hi folks
    I want to know how you polish your metal base after the enamel is flash fired or glossy without scratching the glass?
    Does anybody use OTEC walnut polishing machine?
    Or can I use tumbler with steel shots and cerium oxide?

    Rudolf
  • February 10, 2018 5:13 PM EST
    in the topic Gold and fusing in the forum General Discussions

    Hi Mary

    If your piece is fabricated not casted so it´s less porous you can skip the ultrasonic cleaner. This is better for casted pieces, if you don´t have one just rinse well and enough under running warm tap water.

    With 18K gold you will have the fine gold surface after approx 5-8 times, 14 karat need more but depend how strong acid you use how long you will let the piece stay in the acid. When you heat the piece the surface cannot turned black. You need pickle until the surface will stay "gold yellow".

    Trish is right, if you can change the design to use 14K gold as a base and just make silver base enamel with 24K gold foil it is better. I know sometimes this is not possible. Check the gold wedding rings in my albums. They were 3D printed, casted from 14K gold and then enamelled. I did the depletion gilding around 10 times sometimes the rings were 24hours in sulphuric acid. After the enamelling the not enamelled part turned in kiln brown,light black or how to call the oxidized color. So I put the rings back to acid for approx 10 minutes not to ruin the leaded enamels and when the oxides dissapeared I continued with enameling.

    Hope this helps

     

    Rudolf

  • February 10, 2018 3:08 PM EST
    in the topic Gold and fusing in the forum General Discussions

    Hi Mary

    I am not sure about gold filled material but I think this material is not good for enamelling because of the high heat in kiln or torch firing.

    You can enamel (nearly) any type of gold but the question is how you need prepare the surface and what the color will look like. The best info you can get in book Enameling on precious metals-https://www.amazon.com/Enamelling-Precious-Metals-Jeanne-Werge-Hartley/dp/1847972055

    Problem is the white gold, you need to know what is used in the alloy. Normal 14K yellow gold (not the casting alloy that contains silicone) you can prepare using depletion gilding and when you have fine gold surface you can enamel it. Sometimes casted jewellery have already the fine gold surface after casting so you need just make 2-3x the depletion gilding in sulphuric acid. Everytime clean the surface in baking soda solution, tap water then in ultrasonic cleaner and rinse with demineralized water!! If any acid will stay on the surface it will turn black (spot) when you heat the piece.

    18K yellow gold or green(gold and silver only, no copper) is best for enamelling.

     

    Rudolf

  • August 7, 2017 3:56 PM EDT
    in the topic How to make copper wall pieces in the forum General Discussions

    I am not sure if mentioned here, but the counter enamel must be hard firing enamel.Best is hard firing flux. If you use the same enamel on front and also for the counter it can make drops that melted and drop down from the back. The counter enamel must have higher melting point that the front enamels.

    Rudolf

  • July 13, 2017 6:04 AM EDT
    in the topic How to make copper wall pieces in the forum General Discussions

    Thank you Trish

     

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