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  1. After watching the video I'm going to have to...

    After watching the video I'm going to have to retract my previous statements. The "teeth" are round, not square like the ones I had to work with, and I better understand what you're trying to do. I...
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    I was working at well known mfg. of die stamped...

    I was working at well known mfg. of die stamped products for home/industrial construction. There was a problem with punch/die clearance one die and the drawings that generated the dxf file for the...
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    Interesting article all right. I worked for a...

    Interesting article all right. I worked for a roll forming house (Rollex) in the early 80's that made siding, soffits, and the usual constant thickness crap. That has to be some serious rolling...
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    After reading your post I have to ask a couple of...

    After reading your post I have to ask a couple of questions:

    1) How many pieces do you need to make? You're contemplating a lot of work doing this, which is ok if you need/want to.

    2) The...
  5. For the OP: Stump grinder "bits" are...

    For the OP:
    Stump grinder "bits" are usually pretty chewed up by the time someone replaces them. Often there's at least .06-.10 of material that has to come off and that's a lot of...
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    I don't want my comments to be taken as...

    I don't want my comments to be taken as criticism, I think it's good that you have done some homework and are earnestly trying to accomplish this rather than simply asking for answers. That said I...
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    -Yet another manifestation/characteristic of...

    -Yet another manifestation/characteristic of those who feel it's the responsibility of others to supply whatever they want/need. Many won't even say "Thanks" when you hold the door for them.
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    Being cold while riding not only makes your hands...

    Being cold while riding not only makes your hands feel stiff your reaction time is also much slower. Not a good thing when braking conditions are less than optimal. To the above post, the BMW riders...
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    -Ok you DID name one and I didn't read all of...

    -Ok you DID name one and I didn't read all of your reply. You also provided a link and I guess I failed to notice that too....

    I'm not doing very well on this thread am I? :D

    I worked for...
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    -Other brands? Care to be a name dropper? I've...

    -Other brands? Care to be a name dropper? I've not run into a similar design after 42 years in machine shops. Maybe I need to get out more.
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    2 weeks and no further posting from the OP....

    2 weeks and no further posting from the OP. Another example of why information should not just be handed out for the asking without demonstrating some effort. Lazy wanker.
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    Not to be contrary but I've worked at two shops...

    Not to be contrary but I've worked at two shops that had a Marvel in well used but working condition. I always liked them for versatility in plate work, angular cuts, and just as a stock cutter. Auto...
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    Interesting shaped hatchet used early in the...

    Interesting shaped hatchet used early in the video, never seen one like that. The tools used both inspire me to do better and confirm me as a wood butcher by comparison.
  14. Start the linked video at 15:20 for turbine...

    Start the linked video at 15:20 for turbine spool. Even the head rotation (before spindle on) makes a lot less noise.

    YouTube
  15. Doesn't sound like any of the Moore jig grinders...

    Doesn't sound like any of the Moore jig grinders I've run (3-4). It's been about 20 years but I recall all of them had a distinct turbine whine as they spooled up. A lot of the spindle noise may have...
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    Interesting post. I would have thought the...

    Interesting post. I would have thought the tooling nose would flatten or a fracture would develop. My previous notions about 3D printing are clearly under-informed. Thank you for the opportunity to...
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    JP Machining- I'd be interested in hearing what...

    JP Machining- I'd be interested in hearing what material would be used for 3D printing that would hold up to forming pressures and the abrasion. Two companies I contracted for used 3D printing. One...
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    "AD Design, Your Comments?" Roger- I worked...

    "AD Design, Your Comments?"

    Roger- I worked with far more progressive than compound dies so I default to a prog die out of familiarity. I can almost visualize the compound design but can't quite...
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    -Because I'd like the OP to admit that he/she...

    -Because I'd like the OP to admit that he/she isn't willing to do the research/homework required. I realize that far too many millennials simply want all their questions answered because they're too...
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    As a LAST resort to dissolving old oil/crud that...

    As a LAST resort to dissolving old oil/crud that has gummed up the movement I have a suggestion. Do this ONLY if you're prepared to toss it as I can't guarantee the results with precision movement....
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    No, it shouldn't be made in one station. Side...

    No, it shouldn't be made in one station. Side piercing of holes is ok for a few holes on flat sides. Not ok for 10 holes on round shaped object. Do you know why? What else have you discovered in...
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    Questions/Answers

    I agree with what others have already posted. What may not be clear (to me anyway) is whether the company you're making this for understand what the cost will be for what their expectations are. As...
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    Looks like shop made tooling that was dedicated...

    Looks like shop made tooling that was dedicated to a repeat job that was a PITA to set-up/use standard angle plates for. Are they hardened? I was a tool and die maker in a former life and I don't...
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    Your Reply

    sjzona- I'm certainly no grinding expert but I've ground a fair bit of ferrous and non-ferrous material in a former life as a tool and die maker. My attempts at grinding AL over the years have been...
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    Mike- Was that OA, carborundum, silicone carbide,...

    Mike- Was that OA, carborundum, silicone carbide, or something else wheel sections?
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