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  1. Not Trump, Elon Musk and SpaceX. You are going...

    Not Trump, Elon Musk and SpaceX. You are going to want to land there and lift off again. Only SpaceX is practicing those landings until they they are perfect, under the worse conditions, earth...
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    A lost foam aluminum casting would likely be the...

    A lost foam aluminum casting would likely be the lowest cost for a one off part. You make it in pieces and glue the pieces together then one dip coat, bury in sand and pour. I have a home foundry...
  3. My favorite way of reducing purchased part size...

    My favorite way of reducing purchased part size is opening it in Rhino 3D which doesn't give a crap about how the surfaces were created and then I delete not only all the internal components but even...
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    So I see a lot of mention of shop guys not able...

    So I see a lot of mention of shop guys not able to use a PC or spreadsheet. Why would you be okay with that? It means your employees are obsolete just like that old Bridgeport that was holding you...
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    I had an old guy, 59 at the time, come in for an...

    I had an old guy, 59 at the time, come in for an interview and he said he was having a hard time finding a job because of his age. I told him he met the first requirement for this job. He showed up...
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    OT, Covid acronym to keep you safe.

    There is a new 4 letter acronym to help you remember how to stay safe during the Pandemic. It stands for Test Isolate Trace be Safe. I think I am going to get that on a T-shirt.
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    Batteries are by far the cheapest way to go. The...

    Batteries are by far the cheapest way to go. The waste treatment plants I was building used 12 vdc lead acid gel cells to power the 14 electric valves because in a power failure all 14 needed to...
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    6,537

    Do not treat your beloved pet like we do our old...

    Do not treat your beloved pet like we do our old people, watching them wither away at huge expense until the doctors allow them to die. Don't wait for your pet to tell you it is time. Our first...
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    That hydraulic schematic is an oops, not part of...

    That hydraulic schematic is an oops, not part of this project.

    The pipes get moved by grippers on each end of the Z axis that drop down to grab the pipes. Then X axis moves to the right to bring...
  10. You can get even voltage reduction using...

    You can get even voltage reduction using buck/boost transformers but you need 3 for a closed Delta output. Sizing the transformer is easy. If you are reducing the voltage by 10% the transformer KVA...
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    So today I finally got to test my prototype Auto...

    So today I finally got to test my prototype Auto Rack feeder. It works! Needs some revisions but this was built from scrap I scrounged from around the plant and a gearbox from a machine I built 25...
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    298852 A SolidWorks model view of the machine. ...

    298852
    A SolidWorks model view of the machine. The rack on the left will hold about 300 pipes 4' long and the straps will pull them to the top to overflow into the machine. The gripper on the left...
  13. Post a picture of the parts you want to assemble....

    Post a picture of the parts you want to assemble. Bowl feeders work great and the guys that get them to orient and spit out parts one at a time are magicians. I used to work for a company that made...
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    Tilt it. Don’t cut with the center of a ball mill...

    Tilt it. Don’t cut with the center of a ball mill at zero fpm. Better finish, faster cutting.
  15. We had a landlord desperate for a tenant that cut...

    We had a landlord desperate for a tenant that cut out the block wall and installed a header and big wooden doors they built on site. We bolted bars across the doors on the inside because we didn’t...
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    We seriously looked at installing an old fire...

    We seriously looked at installing an old fire siren INSIDE our building. You couldn’t carry much while running from the building with your hands over your ears! Our test run to partial speed made...
  17. Had a customers engineer complain to my boss...

    Had a customers engineer complain to my boss about me asking him about how he wanted a feature machined and my boss chewed my ass out. Same afternoon another customer came in for a tour at my invite....
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    I have already been sued personally over a...

    I have already been sued personally over a machine I built and won the case because it was copy of my machine the operator got hurt on not the one I built with guards and safety switches.

    As a...
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    298093298093 Thought I’d show you my toy so you...

    298093298093
    Thought I’d show you my toy so you can see what I was talking about previously. I have a router as a spindle as shown and a second R8 minimill spindle too. I also have a heated platten...
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    It has always seemed to me that mill autonation...

    It has always seemed to me that mill autonation would be easy if the table didn’t move and the spindle did all the moving. Look at the machines KOMO built like the VMC144. 12’ long stationary table....
  21. Thread: Space X

    by garyhlucas
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    8,270

    Anybody heard of Dinosaurs? They aren’t around...

    Anybody heard of Dinosaurs? They aren’t around any more because they didn’t have a space program. Might be good if at least we had half a chance to defend against a big rock coming for a visit. Lots...
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    I recently mounted a dial indicator on a digital...

    I recently mounted a dial indicator on a digital height gauge so I could measure the bottom height of circular saddles. The dial indicator was set to 0 on a known height block with the height gauge...
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    You may have a pilot operated relief valve on the...

    You may have a pilot operated relief valve on the winch. There certainly is one on the boom lift cylinder. It requires pressure in the circuit before the valve will open so you can't drop a load with...
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    Years ago I built an electropolishing setup for a...

    Years ago I built an electropolishing setup for a company that did crystal growing and all the parts had to be mirror finish. Just a big transformer that put out about 200 amps and a diode bridge,...
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    A long time ago I was reinstalling a water filter...

    A long time ago I was reinstalling a water filter system and the 2" pipe threads on the old tanks all leaked no matter what sealant I tried. In desperation I visited a plumber I knew and asked him...
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