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  1. Peck drill. Compared to birds nesting, it's...

    Peck drill.

    Compared to birds nesting, it's the lesser of two evils.

    Feeding beyond the recommended parameter range isn't a real option.
  2. They make insert drills in increments of 0.5mm. ...

    They make insert drills in increments of 0.5mm.

    Your tolerances are wide open.

    Hit it with a 33.5mm indexable in one shot and call it a day.
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    Maritool has good ones. Their coolant jet collets...

    Maritool has good ones. Their coolant jet collets are really good too.
  4. Wouldn't even need the chip blaster. Haas' basic...

    Wouldn't even need the chip blaster. Haas' basic 300psi TSC pump will easily handle indexable drills in the 1" size range. 1000 psi coolant is for small tooling.

    Wouldn't need an SS model...
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    This happens consistently or randomly? Can you...

    This happens consistently or randomly? Can you easily duplicate the problem? What happens if you add a G4 P5. dwell between the two automatic cycles?

    We had a part probing issue on our UMCs where...
  6. Agreed with the others that this isn't worth the...

    Agreed with the others that this isn't worth the brainpower to figure out.



    I'd buy another live tooled lathe. Once you figure in added present and future capacity, reduction of labor,...
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    +1 on this. One step I might add, after...

    +1 on this.

    One step I might add, after sawcutting, is predrilling the ID with a 1.5" indexable. Hit it from both sides so you only need a 6" drill.

    17-4 is easier to drill in Condition A,...
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    So that's going to be somewhere in the...

    So that's going to be somewhere in the neighborhood of 350F. Not really that hot, and you could do it in a household oven.

    It could help, and wouldn't hurt to try, but your best bet is to...
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    The CMX doesn't use CELOS. Its control is closer...

    The CMX doesn't use CELOS. Its control is closer to the older MAPPS IV.

    Its chip control is tops for a VMC. The X-axis way covers are slanted at 45 degrees to prevent chip buildup. The spindle...
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    485 SFM is pretty decent for H900 material. ...

    485 SFM is pretty decent for H900 material.

    You can experiment, but expect tool life to drop off quickly past a certain point - most likely not too far off from where you're already at.
  11. The BRM units wear pretty well. They have short...

    The BRM units wear pretty well. They have short (18mm) and long (38mm) trim lengths. We use the long ones.

    Even with daily use, expected life on these is measured in years.
  12. Are you sure it was a BRM Nampower? We have...

    Are you sure it was a BRM Nampower?

    We have them in every machine and have been running them every day on almost every part for 10 years. Zero coolant issues.

    Flexhones, also made by BRM, are...
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    Dry with air blast.

    Dry with air blast.
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    Hold on to the certs! If you don't trust the...

    Hold on to the certs!

    If you don't trust the certs and you're curious enough, you could also send a sample to a lab for independent testing, and have them run a standard battery of tensile...
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    Tap water and dish detergent aren't going to...

    Tap water and dish detergent aren't going to clean the parts very well anyway. It'll probably leave a lot of streaks.
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    I think the material is out of spec, or it's the...

    I think the material is out of spec, or it's the wrong material.

    Lots of supply chain and pricing issues at the moment. If your distributor can't correct the problem in a timely manner, due to...
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    Consider a replaceable tip drill like the Iscar...

    Consider a replaceable tip drill like the Iscar Sumo Cham. We've had good luck with that particular drill at 8xD. The tips are expensive-ish, but robust, as long as you don't experience any...
  18. Machined from 8" solid, with flanges and O-rings...

    Machined from 8" solid, with flanges and O-rings for vacuum rating?

    I like it.
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    Buying equipment is a business decision, and...

    Buying equipment is a business decision, and buying a Haas UMC is a matter of managing expectations.

    Often times people will look at a UMC500 and think that it's a budget equivalent of a high...
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    I was thinking more along the lines of sizing. ...

    I was thinking more along the lines of sizing.

    We have a DMG MORI NLX2500SY that serves as a general purpose machine. Their equivalent B-axis is the NTX2500 and the price is around 2.5X. Their...
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    Very rarely do people buy these kinds of a...

    Very rarely do people buy these kinds of a machines without a specific/existing job in mind.
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    A tougher grade as opposed to a harder grade can...

    A tougher grade as opposed to a harder grade can help. A larger tool nose radius can also help.

    Strategy will probably help the most. Can you turn past the inscribed circle, leave 0.005", then...
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    We use Iscar for all of our threading and...

    We use Iscar for all of our threading and parting.

    Not sure I see a benefit in the Penta line for threading. You're paying more per edge compared to laydowns. We use laydown topping inserts...
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    Shoveling chips is a very costly waste of time. ...

    Shoveling chips is a very costly waste of time.

    I'd only consider foregoing a chip conveyor if I didn't have the space or my application produced a very low volume of chips, e.g. hardmilling or...
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    My experience with Gantt chart software like...

    My experience with Gantt chart software like Asana or Wrike is that they're great for collaborative environments where multiple people have access to the software. But if you're the only person...
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