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  1. I wonder if they've had their "Kodak" (or Xerox)...

    I wonder if they've had their "Kodak" (or Xerox) moment yet.
  2. Can you say "Control system"? The current SB...

    Can you say "Control system"? The current SB offering looks like (and is) a throwback to 2000 Visual Basic. The SB machine code is non-standard (G-Code is the standard). The USB interface is weak and...
  3. Shopbot is on the path towards eventual...

    Shopbot is on the path towards eventual dissolution. They stopped innovating years ago and now are essentially eating their seed corn. Unless Shopbot makes a major investment in new technology and...
  4. Please also note that this forum is running http:...

    Please also note that this forum is running http: (not secure) instead of the now defacto https: (secure). Seems like someone is just not keeping up with the times.
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    Here's the latest thing I'm working on. It's a...

    Here's the latest thing I'm working on. It's a gasket for an automotive application, about 13"x8". The gasket is quite complicated and requires a silicone mold to produce. I designed the prototype...
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    I've had so much success with PLA that I haven't...

    I've had so much success with PLA that I haven't tried anything else. At this point, I'm kind of afraid to change anything since it works so perfectly well. I ordered the XL with two extruder tools...
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    One of the reasons I selected Prusa is the bed...

    One of the reasons I selected Prusa is the bed system. It's a flexible steel sheet held to the bed with magnets. Three coatings are offered on the steel sheets: Smooth, Textured, and Satin. Mine came...
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    Prusa MK3S+ 3D Printer

    This thread has nothing to do with Shopbot but I wanted to add it anyway.

    I've been using a Prusa MK3S+ printer now for about three months and have found it to be an excellent bit of kit. I've...
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    I wouldn't be concerned about going deeper than...

    I wouldn't be concerned about going deeper than the LOC with a large end mill. I suggest having a vacuum or air gun in hand when going deep to blow the chips away if they accumulate. In my...
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    If you're looking for an end mill that will cut...

    If you're looking for an end mill that will cut that deep, you'll probably be looking a half inch diameter with an six inch length.

    If all you have is a 6" Z, then you're probably going to be in...
  11. Scott - Great to know. I figured they'd be...

    Scott - Great to know. I figured they'd be flimsy. At some point in the future, I'll have to downsize to a desktop machine. Not looking forward to the day but I can't see being without a CNC machine....
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    Drill index holes. That's how I'd do it.

    Drill index holes. That's how I'd do it.
  13. I'd think deflection would be the limiting factor...

    I'd think deflection would be the limiting factor on the smaller machines, right?
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    Now that's completely unfair. I, for instance,...

    Now that's completely unfair. I, for instance, have no such fear and will turn my machine on with every expectation that it works every time. So there are good machines with reliable records.
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    When I was shopping for a machine back in 2012, I...

    When I was shopping for a machine back in 2012, I needed a "bolt together" machine to get it into my shop. The SB filled the bill and nearly 10 years later, is still pulling the load. While the SB...
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    The art of hold down is a lot like the art of...

    The art of hold down is a lot like the art of setting concrete forms. Too little and the project is ruined. Too much and the setup/teardown process is too arduous and time consuming. What you want is...
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    Yes! Let's join the 21st century already.

    Yes! Let's join the 21st century already.
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    I'm no expert by any stretch but what I do with...

    I'm no expert by any stretch but what I do with soft woods is finish them first. That strengthens the wood and gives it a solid surface. Keeps the strings and tear outs down.
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    What the cheese? How could the SB control program...

    What the cheese? How could the SB control program know what you've chucked up?
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    Fifteen minutes with an assortment of dangerous...

    Fifteen minutes with an assortment of dangerous and noisy tools would do it if you have the middle leg. Otherwise, it's going to take longer.
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    You might want to add a price, otherwise, it...

    You might want to add a price, otherwise, it might be free!
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    The hardtop is for my Ferrari 360 Spider. The...

    The hardtop is for my Ferrari 360 Spider. The plan is to make six units from the mold, see how they go in the market and if there's enough demand, start a production line. I've invested two years of...
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    Triangular Structure for Hardtop Mold

    I built this mold support structure out of seven scrap and heavily bent 2x4's and maybe 10' of dowels.

    The triangles are 14" tip to tip, except for the vertices, which are individually sized....
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    You could use one of these instead of the plate:...

    You could use one of these instead of the plate:

    34701

    https://www.ebay.com/itm/121895800409?epid=1558296311&hash=item1c618e4e59:g:JPoAAOSwB4NWzMUq
  25. If you have the standard spindle, the top is 18k....

    If you have the standard spindle, the top is 18k. You should be able to get the same effect by slowing down the feeds.
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