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    General Metalworking An anvil needs to have a hard top. Your hammer...

    An anvil needs to have a hard top. Your hammer should bounce back up. Look up "ASO"
  2. General Metalworking Perry, you can sand cast discs then hammer out to...

    Perry, you can sand cast discs then hammer out to the thickness you need. Pewter does not work harden. The sand needs to be very fine. I recommend petrobond. They use Sal alminac as flux. It...
  3. If you look at the specs for each size and brand...

    If you look at the specs for each size and brand of tube, it will probably say the max character height. I think I have General 60 and Reci 150. The 60 has the finest beam, and therefore can make...
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    I twisted my tubes around (disconnected from...

    I twisted my tubes around (disconnected from power) and also squeezed on and off the in and out. Pump on. Increasing and decreasing the flow, till the bubbles went away.

    I run antifreeze. When...
  5. Hi Burt, is sheen an acrylic. we have been...

    Hi Burt, is sheen an acrylic. we have been using resolene(tandy) which is acrylic. thx marty
  6. Wash with soap and water. If you are going to...

    Wash with soap and water. If you are going to put finish on, do that first, then laser, then wash, then finish again. We us a dehydrator. Run some settings tests. If the project will hold still...
  7. Hi Todd, If you cw5200 came with paperwork I...

    Hi Todd, If you cw5200 came with paperwork I would read it and follow the set up instructions. The actual CW5200 is made by a real company with tech support that speaks English. If you have it...
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    Mark if you are going for an imported laser, dual...

    Mark if you are going for an imported laser, dual tubes only adds about 20-25% to your total cost. I think you would find that all the dual tube owners will confirm that they would not go back. For...
  9. Spindle lube?

    On the New Hermes little engravers. I think I have the IM model, How do you lube the spindle and or motor. That info is not in the manual I have. thanks marty
  10. Clark I use a "litefuze brand of transformer. ...

    Clark I use a "litefuze brand of transformer. The one I have says "3000 watts" $US140 It runs the cooler the air pump and the laser. I run from the box two 110v circuits on a felx cord (probably...
  11. thanks for the info

    Thanks to the replies and info. I have found several places that carry the gravograph brand of nose cones and they make several plastic and teflon styles that don't scratch.

    Here is the link for...
  12. Thanks Mike. I will go ahead and try the 1/8...

    Thanks Mike. I will go ahead and try the 1/8 diamond. The seller has other items I am getting like belts etc.

    Do you know where to get the plastic spindle caps, aka nose cones, the thingy that...
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    Gold has a very high thermal conductivity. That...

    Gold has a very high thermal conductivity. That means when you apply heat it spreads out very quickly. Steel has a very low thermal conductivity which is why you can weld it as the hot part stays...
  14. New Hermes Manual Rotary - I want to drag

    I have recently purchased a New Hermes Gravograph IM pantograph engraver. That is one of the smaller manual units. It came with a rotary belt driven spindle and I want to diamond drag.

    I have...
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    Thanks Michael, I am in the States and am...

    Thanks Michael, I am in the States and am looking for a local supplier. I did look at the Plastazote LD29 online and that as helpful as the link I found had density specs. What I would like to...
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    Laser Tool foam choices and sources?

    Hi. I am interested laser cutting some tool foam. Anyone have a brand recommendation? Thx marty
  17. Please look at your tubes with the cooler on and...

    Please look at your tubes with the cooler on and see if there are bubbles that are preventing proper flow. You might have to loosen and twist the tube while flow is on the tube to allow bubbles to...
  18. Hi Daniel, are you trying to design in laser...

    Hi Daniel, are you trying to design in laser works? if not what program. On the usb stick. I use disk utility to regularly erase the drive by formatting. You have to use the lowest windows format...
  19. it is true that adding an extra head to your...

    it is true that adding an extra head to your system adds extra weight, and therefore reduces the maximum speeds for a given job.

    I use the 150 watt & 60 Watt combo because the 150 was the...
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    If you want to include both vectors and bit maps...

    If you want to include both vectors and bit maps from the same photoshop file they both must have the same 4 corners. to do that put a tiny vector object in each or the 4 corners so that the...
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    for grayscale. photoshop>image>mode>convert to...

    for grayscale. photoshop>image>mode>convert to bitmap (same dpi for same size) then save as BMP (gold method is better)
    for Vector paths Photoshop > File > export paths to illustrator > choose...
  22. one of the heads is fixed. each end of the drive...

    one of the heads is fixed. each end of the drive belt is attached to the head bracket. The other head is screw crimped onto the belt. You can move that head. Most people use the dual to cut 2...
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    Some of those lasers have a button you can hold...

    Some of those lasers have a button you can hold down to fire the tube. If there is an issue with your file than the button would bypass that.
    M
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    Prallels works just fine. Just remember if you...

    Prallels works just fine. Just remember if you upgrade the mac you need to upgrade parallels as well.
    I have been on the mac since 93 and have never used or needed a firewall or virus protection. ...
  25. Hi keith, the epoxy will soak in and penetrate...

    Hi keith,
    the epoxy will soak in and penetrate the wood getting deeper into the wood for about 15-20 minutes depending on the temprature and the wood. If you put it on thin it will "starve"...
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