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  1. Replies
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    Speaking of which, where is Jim Glass? It’s been...

    Speaking of which, where is Jim Glass? It’s been a year and a half since he posted anything and that post was selling off stuff.
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    Best bit of wisdom in this entire thread. ...

    Best bit of wisdom in this entire thread. Whether you swear up a blue streak (and my dear sweet Scots-Irish Mum has you all beat to hell on that score) or run a Baptist machine shop . . . y’all are...
  3. Another source of failure that we often see in...

    Another source of failure that we often see in VFD installations is motor lead wiring when pulled in through conduit by a careless electrician. Damaged wire insulation (again found with a megohm...
  4. I haven’t read all the posts so sorry if this is...

    I haven’t read all the posts so sorry if this is a repeat.

    Inverters do shorten the life of motors, generally insulation breakdown creating turn to turn shorts in the stator windings which if done...
  5. In the last month we have been involved in...

    In the last month we have been involved in conversations with 3 different companies that I bet 90+ percent of the users of this forum would immediately recognize and two of these companies make...
  6. Haven’t had much time recently for PM . . . the...

    Haven’t had much time recently for PM . . . the move, 5 dozen people working on non paying stuff, bankers, appraisers, city inspectors, all wanting their pound of flesh, we’ve been operating on a...
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    The S7-300 is already old school, but easily...

    The S7-300 is already old school, but easily mined for data. A lot depends on what database variant the plant is hoping to feed, and perhaps even what overriding MRP/ERP/PM system they are using the...
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    we are 2-1/2 years in on a new Dynasty inverter...

    we are 2-1/2 years in on a new Dynasty inverter based TIG welder - this thing hasn't missed a beat and it gets used every single day for a huge variety of welding tasks. I think you just have a...
  9. After reviewing the sizes of roll formers for...

    After reviewing the sizes of roll formers for 10GU materials - I am becoming increasingly convinced that this is a press brake application for the ribs and then a CNC slip form for the large radius...
  10. Quantities typically less than 50 a day. The...

    Quantities typically less than 50 a day. The customer presently uses a CNC press Brake and is looking to increase automation. I failed to mention that there is also a requirement to bend...
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    This kind of talent is not learned, but rather...

    This kind of talent is not learned, but rather refined with practice. This kind of work is fun and effortless for those who have the knack.

    And employers do well to recognize the various talents...
  12. I have seen several videos of machines on the...

    I have seen several videos of machines on the Alibaba site from Chinese manufacturers that look cheesy and inflexible from a production standpoint. We would want to make a programmable unit with...
  13. Any good resources on Roll Forming sheet metal?

    We are looking at helping a customer with a roll forming machine. He wants to form metal up to 10 gauge stainless, aluminum, and mild steel. Figure a sheet of metal 24 inches wide by 96 inches long...
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    No one has mentioned the CAD files for nearly...

    No one has mentioned the CAD files for nearly everything they sell . . . Drops into SolidWorks within seconds with purchasing data embedded for the BOM and easy transfer to purchasing.
  15. We just moved a 72,000 lb machine and Ness...

    We just moved a 72,000 lb machine and Ness Campbell provided the best quote (significantly cheaper than Omega Morgan) and they did great work. They were flexible and had a solid array of capable...
  16. yes - but sharing the ideas developed by one...

    yes - but sharing the ideas developed by one company with all the other companies that bid on the project is unethical and should be illegal.

    We go head to head on projects all the time where...
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    I imagine that you know what it is like to move...

    I imagine that you know what it is like to move into a new home, the garage gets stacked full of boxes . . . that describes our new shop pretty well.

    The city has some fairly stringent permit...
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    My suspicion is that your heater could be...

    My suspicion is that your heater could be converted to single phase fairly easily. This would be no more than 10kw . . . do you by any chance have a schematic?

    If you had a VFD, you could with...
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    Emanuel . . . having specified hundreds if not...

    Emanuel . . . having specified hundreds if not thousands of drivetrain components thus far in my lifetime - I cannot recall a single gear reducer or timing belt or roller chain manufacturer OEM ever...
  20. That is complete and utter bullshit on the part...

    That is complete and utter bullshit on the part of the PA.

    I would never knowingly participate in developing a proposal for a situation like this. We have had years where our proposal efforts...
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    I have quite a variety of aerospace spline...

    I have quite a variety of aerospace spline adapters made for flap transmissions made by https://www.practicalmachinist.com/vb/members/zahnrad-kopf/
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    We order parts like this often - and the order...

    We order parts like this often - and the order confirmation from our supplier states that they will ship per our purchase schedule.

    This would be for things like Exlar servo gearmotor actuators...
  23. Expanding bore clamps typically use a shallow...

    Expanding bore clamps typically use a shallow taper - as such the clamping force is a multiple of drawbar force . . . If you don’t want to be concerned with wind up or chafing of your lines, we use...
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    And people wonder how the pyramids were built . ....

    And people wonder how the pyramids were built . . . :rolleyes5:
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    I would love to get a high resolution photo of...

    I would love to get a high resolution photo of that dyne setup. We are decorating our new building with photos of this type.
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