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Re: PCB-vise

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  • roger.shultz
    ... for boards ... board to ... board. As far ... have fragile ... vise. ... tool. ... the desktop, ... different kit. ... on a support ... powered the ...
    Message 1 of 13 , Feb 1, 2009
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      --- In softrock40@yahoogroups.com, Roger Hayter <roger@...> wrote:
      >
      > In message <498105B6.6010706@...>, Sid Boyce
      > <sboyce@...> writes
      > >Sam Morgan wrote:
      > >>
      > >>
      > >> R R Robson wrote:
      > >> > I have used it and my only issue is that it is not very good
      for boards
      > >> > that do not provide much "empty" space at the edges of the
      board to
      > >> > allow the thumb screws on the vise to clamp firmly to the
      board. As far
      > >> > as I can tell, you will need nearly 0.25" of "clear" space to
      > >> > accommodate the clamp. Alas, most of Tony's boards either
      have fragile
      > >> > traces or intruding components everywhere I try to clamp that
      vise.
      > >> >
      > >> > For boards that provide the realestate, it is a super little
      tool.
      > >> >
      > >> agreed, I found I built most of my Softrock in a metal pan on
      the desktop,
      > >> However I did use the PCB-vise for 98% of my builds of a
      different kit.
      > >> That board was so large that I needed to rest some of its mass
      on a support
      > >> (plastic coffee can) as the weight/size of the board over
      powered the
      > >> PCB-vice.
      > >> In fact I liked it so much I bought a 2nd one for my next build
      with
      > >> larger boards.
      > >>
      > >> --
      > >> GB & 73
      > >> KA5OAI
      > >> Sam Morgan
      > >> Linux, the lifetime learning experience.
      > >>
      > >
      My solution to the circuit board holding problem was to cut a block
      of wood, mark the hole centers from the board on it. I then drove 4
      nails into the wooden board and cut them off flush. I aligned the
      nails so that the circuit board could easily slip over the nails then
      added spacers so that components would clear the wood. Now I can flip
      the board over easily and it is held solidly in place while I solder.

      The wooden block is double stick taped to the inside of the rimmed
      aluminum cookie sheet I am using.

      This is my first attempt at SMT kits and I'm learning as I go. One
      tip was that I found a needle pointed 15 watt solder iron at Radio
      Shack and what helped most was the .015 2% silver solder also
      available at Radio Shack. This makes nice joints and will probably
      make bridges harder to occur.

      I've got a long way to go to finish but my connections now look
      professional and neat as a result.


      > >I use an old large paper capacitor with a bulldog clip bolted to
      one of
      > >the terminals.
      >
      > Not one of the old oil filled ones is it? Some of them contain
      (and in
      > my experience slowly leak) highly toxic PCBs (?polychlorinated
      > biphenyls?) and really want giving to someone who likes disposing
      of
      > toxic waste, perhaps more so if you ever have children in the
      house, as
      > some of the elderly among us may be past worrying about such things
      for
      > ourselves!
      >
      >
      > --
      > Roger GW8BFO
      >
    • Techniker der ├╝berholten Systeme : arbei
      EXCELLENT !!! Thank You, this is what I will be doing ! I recommend you take a couple pictures of your setup, and, post them to the pictures section of the
      Message 2 of 13 , Feb 1, 2009
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        EXCELLENT !!!

        Thank You, this is what I will be doing !

        I recommend you take a couple pictures of your setup, and, post them
        to the pictures section of the Y-group webpage.

        Jim - KB6OKH

        --- In softrock40@yahoogroups.com, "roger.shultz" <nj2r@...> wrote:
        >
        > My solution to the circuit board holding problem was to cut a block
        > of wood, mark the hole centers from the board on it. I then drove 4
        > nails into the wooden board and cut them off flush. I aligned the
        > nails so that the circuit board could easily slip over the nails then
        > added spacers so that components would clear the wood. Now I can flip
        > the board over easily and it is held solidly in place while I solder.
        >
        > The wooden block is double stick taped to the inside of the rimmed
        > aluminum cookie sheet I am using.
        >
      • Sid Boyce
        ... It s one I picked up at a Rally many years ago. From what I remember, the type is paper treated with what looks like oil in a sturdy non-corrosive metal
        Message 3 of 13 , Feb 1, 2009
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          Roger Hayter wrote:
          >
          >
          > In message <498105B6.6010706@...
          > <mailto:498105B6.6010706%40blueyonder.co.uk>>, Sid Boyce
          > <sboyce@... <mailto:sboyce%40blueyonder.co.uk>> writes
          > >Sam Morgan wrote:
          > >>
          > >>
          > >> R R Robson wrote:
          > >> > I have used it and my only issue is that it is not very good for
          > boards
          > >> > that do not provide much "empty" space at the edges of the board to
          > >> > allow the thumb screws on the vise to clamp firmly to the board.
          > As far
          > >> > as I can tell, you will need nearly 0.25" of "clear" space to
          > >> > accommodate the clamp. Alas, most of Tony's boards either have fragile
          > >> > traces or intruding components everywhere I try to clamp that vise.
          > >> >
          > >> > For boards that provide the realestate, it is a super little tool.
          > >> >
          > >> agreed, I found I built most of my Softrock in a metal pan on the
          > desktop,
          > >> However I did use the PCB-vise for 98% of my builds of a different kit.
          > >> That board was so large that I needed to rest some of its mass on a
          > support
          > >> (plastic coffee can) as the weight/size of the board over powered the
          > >> PCB-vice.
          > >> In fact I liked it so much I bought a 2nd one for my next build with
          > >> larger boards.
          > >>
          > >> --
          > >> GB & 73
          > >> KA5OAI
          > >> Sam Morgan
          > >> Linux, the lifetime learning experience.
          > >>
          > >
          > >I use an old large paper capacitor with a bulldog clip bolted to one of
          > >the terminals.
          >
          > Not one of the old oil filled ones is it? Some of them contain (and in
          > my experience slowly leak) highly toxic PCBs (?polychlorinated
          > biphenyls?) and really want giving to someone who likes disposing of
          > toxic waste, perhaps more so if you ever have children in the house, as
          > some of the elderly among us may be past worrying about such things for
          > ourselves!
          >
          > --
          > Roger GW8BFO
          >

          It's one I picked up at a Rally many years ago. From what I remember,
          the type is paper treated with what looks like oil in a sturdy
          non-corrosive metal case which would need some serious mistreatment to
          cause the slightest leak and it's normally placed in a wooden box until
          I need it.
          One day I shall get around to constructing something that will take a
          larger PCB easily.
          73 ... Sid.
          --
          Sid Boyce ... Hamradio License G3VBV, Licensed Private Pilot
          Emeritus IBM/Amdahl Mainframes and Sun/Fujitsu Servers Tech Support
          Specialist, Cricket Coach
          Microsoft Windows Free Zone - Linux used for all Computing Tasks
        • Sid Boyce
          ... This along the lines I m thinking, except I can use threaded shafts with screws, copper sheet top and bottom of the wood and the copper grounded as a
          Message 4 of 13 , Feb 1, 2009
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            roger.shultz wrote:
            >
            >
            > --- In softrock40@yahoogroups.com <mailto:softrock40%40yahoogroups.com>,
            > Roger Hayter <roger@...> wrote:
            > >
            > > In message <498105B6.6010706@...>, Sid Boyce
            > > <sboyce@...> writes
            > > >Sam Morgan wrote:
            > > >>
            > > >>
            > > >> R R Robson wrote:
            > > >> > I have used it and my only issue is that it is not very good
            > for boards
            > > >> > that do not provide much "empty" space at the edges of the
            > board to
            > > >> > allow the thumb screws on the vise to clamp firmly to the
            > board. As far
            > > >> > as I can tell, you will need nearly 0.25" of "clear" space to
            > > >> > accommodate the clamp. Alas, most of Tony's boards either
            > have fragile
            > > >> > traces or intruding components everywhere I try to clamp that
            > vise.
            > > >> >
            > > >> > For boards that provide the realestate, it is a super little
            > tool.
            > > >> >
            > > >> agreed, I found I built most of my Softrock in a metal pan on
            > the desktop,
            > > >> However I did use the PCB-vise for 98% of my builds of a
            > different kit.
            > > >> That board was so large that I needed to rest some of its mass
            > on a support
            > > >> (plastic coffee can) as the weight/size of the board over
            > powered the
            > > >> PCB-vice.
            > > >> In fact I liked it so much I bought a 2nd one for my next build
            > with
            > > >> larger boards.
            > > >>
            > > >> --
            > > >> GB & 73
            > > >> KA5OAI
            > > >> Sam Morgan
            > > >> Linux, the lifetime learning experience.
            > > >>
            > > >
            > My solution to the circuit board holding problem was to cut a block
            > of wood, mark the hole centers from the board on it. I then drove 4
            > nails into the wooden board and cut them off flush. I aligned the
            > nails so that the circuit board could easily slip over the nails then
            > added spacers so that components would clear the wood. Now I can flip
            > the board over easily and it is held solidly in place while I solder.
            >
            > The wooden block is double stick taped to the inside of the rimmed
            > aluminum cookie sheet I am using.
            >
            > This is my first attempt at SMT kits and I'm learning as I go. One
            > tip was that I found a needle pointed 15 watt solder iron at Radio
            > Shack and what helped most was the .015 2% silver solder also
            > available at Radio Shack. This makes nice joints and will probably
            > make bridges harder to occur.
            >
            > I've got a long way to go to finish but my connections now look
            > professional and neat as a result.
            >
            This along the lines I'm thinking, except I can use threaded shafts
            with screws, copper sheet top and bottom of the wood and the copper
            grounded as a precaution against ESD and the whole lot sitting on one of
            3 very large antistatic mats I have around. I even go further and use a
            wrist strap that's monitored by a "Ground Gard" as a dirty wrist strap
            or one that isn't in good contact with the skin also is an ESD risk. I
            was lucky as my then boss allowed me to spend $10,000.00 US to equip all
            our UK engineers with Ground Gards - they bleep at you if ever the strap
            isn't properly in contact with the skin, built-in self checking to make
            sure proper operation. Overkill for the SR kits we build, but a must for
            the $1/4m boards we handled and the CPU uptimes our customers expected.
            It was nice to pass the buck back to manufacturing when they once
            accused us of causing the damage in the field and subsequently filing a
            report on the slack practices outside of their frequent ESD audit days -
            guys wearing antistatic coats then walking around holding boards
            unprotected. Under a microscope you could see the huge crater they caused.
            73 ... Sid.
            --
            Sid Boyce ... Hamradio License G3VBV, Licensed Private Pilot
            Emeritus IBM/Amdahl Mainframes and Sun/Fujitsu Servers Tech Support
            Specialist, Cricket Coach
            Microsoft Windows Free Zone - Linux used for all Computing Tasks
          • rubines2000
            Hi I found very handy pcb vises at ebay. F.e. 230316128261 Cheers Michael OE1MIS
            Message 5 of 13 , Feb 2, 2009
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              Hi

              I found very handy pcb vises at ebay.
              F.e. 230316128261

              Cheers
              Michael OE1MIS
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