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Recent content by acmetim

  1. acmetim

    anneal 1018

    i would like the 1002 but its about 25 times higher than 1018 and im not sure the increase is worth the price difference
  2. acmetim

    anneal 1018

    i have decided on 1018 as a core material. will hardening or annealing improve the performance of 1018 as a coil core material?
  3. acmetim

    laminate cores

    the machanism is the same as an old doorbell. there are two electromagnets running on a max of 12 volts dc. they attract an iron bar which is attached to a strip of spring steel. on the side of the bar opposite the coils is a contact point that is opened and closed by the pull and release of...
  4. acmetim

    laminate cores

    i was speaking with a machinist today about magnetic cores. he showed me his magnetic transfer parallel blocks for his magnetic chucks. would there be an advantage to having cores made of a laminate material-(brass shim stock alterneting with steel shim stock)? im wondering about the...
  5. acmetim

    iron cores

    the dc voltage will be between 7 and 10 volts depending on the application. the total turns will be 210 +/- 10. thanks you guys for the tips. tim
  6. acmetim

    iron cores

    i was wondering how much difference i can expect in magnetism between two magnetic cores. (i know you guys are gonna slam me for just saying magnetism, but i am a simple man and am just talking about how much attraction the magnet will generate) one would be mild steel 1008, the other standard...
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