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Type: Posts; User: rons

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  1. Replies
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    Here are some more guys. Mill Motor Runs on...

    Here are some more guys.

    Mill Motor Runs on Line Power 3P/240VAC But Not on VFD - Why???
  2. An inductance meter would show a difference in...

    An inductance meter would show a difference in the windings. If there was a gradual decrease in inductance and the current value was within a certain range then this problem would not be noticed at...
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    738

    Would use a 1/8" piece of aluminium or brass in...

    Would use a 1/8" piece of aluminium or brass in the 1/8" collet and drill a hole through the size of your small piece. Now insert small wire.

    I have a few emergency collets that are plastic and...
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    2,508

    Somebody I knew lived near a expressway in a...

    Somebody I knew lived near a expressway in a housing development with fairly new and modern homes. You could hear the noise from the road. I asked does that
    not bother you? I said that at night the...
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    The definition of power is P = V * I. The VFD is...

    The definition of power is P = V * I. The VFD is switching on and off in the bridge area to create whatever PWM waveform it is operating with.
    During transitions the change is not instantaneous....
  6. That was markz528

    That was markz528
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    3,405

    I heard John Wayne mention the name a few times...

    I heard John Wayne mention the name a few times...
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    998

    The mechanical drains I have experience with...

    The mechanical drains I have experience with operate open when the water level goes above a minimum level. Then the thing opens and everything blows through.
    What if the minimum level has not been...
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    998

    I attached a 90 connection to a drain port. Then...

    I attached a 90 connection to a drain port. Then extend out about 6" to a Asco valve. This will allow the tank to fully drain into the 6" pipe.
    No more puddles in the bottom of the tank. The Asco...
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    In the cause to save materials I use a small cup...

    In the cause to save materials I use a small cup to mix the paint and the hardener. Pour that into the gravity cup. Then add reducer to the small cup and swirl it around to mix with the previous...
  11. The owners manuals for welding machines say to...

    The owners manuals for welding machines say to wear safety glasses behind any helmet.
  12. Replies
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    It's also a urban myth that people kill...

    It's also a urban myth that people kill themselves with their knives and forks.

    Your sample size is too small to form a normal distribution.
  13. Replies
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    Describes what a square wave is, or a rectangular...

    Describes what a square wave is, or a rectangular pulse train. The edges of the pulses have huge spikes. The inductor has to deal with them.
  14. Is 1/10,000 sec good enough or should I look at...

    Is 1/10,000 sec good enough or should I look at 1/20,000 sec?

    To fit into a Jackson HSL-100B. This one is 1/10,000.
    Jackson Insight Auto-Darkening Lens 46128

    Or just get a new one. This one is...
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    I think the category of uses will make a...

    I think the category of uses will make a difference.

    The VFD is running a motor on a air compressor which has intermittent use.
    The VFD drives a machine tool that is run more often and at many...
  16. Replies
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    818

    Agree, always inspect and then do the least...

    Agree, always inspect and then do the least amount of damage (metal removal) to make things work.
  17. Replies
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    2,140

    The father is right about that. He probably has...

    The father is right about that. He probably has seen it himself. The word "often" was used and that sounds pretty strong. Use a VFD and take your chances.

    You should use a quality VFD at a low...
  18. I never trusted auto darkening lens before. But...

    I never trusted auto darkening lens before. But I'm wearing a #10 or #12 shade and my starts almost always suck. I'm tired of not being able to see and sometimes touching the electrode to the work.
  19. California Prop. 19.

    California Prop. 19.
  20. Replies
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    396

    With any load I get as high as 288Vac. But when...

    With any load I get as high as 288Vac. But when the load starts the balance is within 2-3 Vac. That's what counts.
  21. You don't want the kind of sand paper that has...

    You don't want the kind of sand paper that has black abrasives which will break off and embed into your oak. It's like you sprinkled pepper all over the floor.
    Fine Woodworking has a book on wood...
  22. I happened to notice a welding helmet box in a...

    I happened to notice a welding helmet box in a recycling bin. The brand was "Chicago". Never heard of that brand.
    Inside the box there was the plastic shield protection piece.So they were throwing...
  23. Welding stores in SF Bay Area with auto-darkening hood?

    1. Any good stores I can walk into and try on a good quality auto-darkening helmet?

    2. What about just a 4 1/2 x 5 1/4 lens replacement with smaller lens area?

    County Specialty Gases in Redwood...
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    That is typical if the part is not normally...

    That is typical if the part is not normally stocked. They quoted me about $500 for a small 40 something tooth gear.

    For woodworking there are cylindrical inserts that can be inserted into a router...
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    If your cable says something like "3/0...

    If your cable says something like "3/0 FLEX-A-PRENE Heavy Duty Welding Cable" then you don't change it.

    I'm using 2/0 and I can coil the cable into a 16" circle for storing. I remember that it...
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