FULL RAPID at 2362 IPM In STEEL

CNC machining at full rapid on the Heller HF 5500!

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[douglascalhoun]

The most impressive thing was the fact that the machine sounded absolutely comfortable at that speed. That tool sounded good as well. The ears are just as important as feeling vibration for guides to improving speed. Too many people are afraid to push limits and leave money sitting on the table.

[tristanallen]

"Do something nobody's ever done on purpose" made me chuckle!!

[AgryptNos]

I'm at the end of my career so I won't be able to use this but my son is just starting his and I'm sharing these videos with him so he can see what's possible.

I honestly think you folks are a significant part of the USA once again becoming THE center of excellence for manufacturing. It is impossible to understate how important that is to our country, our children and the world. MAD PROPS gentlemen!!!

[tedsaylor]

0.262 x 0.75" (dia) x 12999 (rpm) = 2554.3 SFM This is in steel, no flood coolant. Absolutely amazing.

[amicloud_yt]

The fact that something so big can move that fast and accelerate that quickly without the slightest bit of vibration is just astonishing

[trevorgoforth]

Epic! It’s almost just as impressive how fast it rips around the ends of the part as well! The HF is a beast!!

[derbacksteinbacker]

Its so crazy, everytime everybody thinks: "yeah thats probably how far it goes", you guys come around and keep pushing the limit further and further...

[benjaminshropshire]

I'm thinking when you are taking about productivity, IPM isn't the correct measure but rather I³PM. That is what rate is the volume of materiel is being removed at. It would be really interesting to see a test where a whole list of cut depths were each pushed to the limit and then the time to remove a given volume of materiel plotted. At a guess, a lot of big fast modern machines would reach a peek on that below full rapid speeds.

What would be even more useful (and expensive), would be to plot cut depth vs spindle speed vs max-IPM.

[DimensionMachine]

I am beyond impressed with that machine, and your willingness to push it that far!

[matthewfoster]

I don't run CNC's but still had a grin from ear to ear.

[adammiller]

I’m helping spread the podcast around! I want it take off, I love it! Doing production at work gets boring without a podcast to listen to.

[jimemerson]

I worked for a company for 30 years they bought Sharrman machines in the mid 90’s. We could run 8 to 10 parts on the smaller parts 2 or 3 of the larger parts in a 10 hour shift. They talk to Heller in 2016 and ask how many parts they could get in a 10 hour shift . Heller called after a while, 20 on the smaller parts 10 on the larger parts. Double on one part three time more on the other. The Sharrman was a 5 axis with an U head but it was able to do what some of did, nobody had the balls to try. I love watching your stuff.

[ThatOneFiesta]

It would be nice to have a discussion about the speeds and feeds and depth of cut and stepover and how they correlate. As well as how to achieve the best mmr.

[TheGrowOp]

I did that one time. I made it thru the part, fixture, AND vice!

Edit: It was with a 1/2 inch diameter 6 inch long flute endmill. Man that one was noisy.

[paulaoki]

I love the approach of pushing the limits!
As a Senior Design Engineer, part-time machinist, part-time software programmer, part-time machine assembler...
I have honed many skills....
My thoughts are...based on the capacity of the Heller monster....of course....it should be possible!
I love taking 0.750 cuts with a 1" end mill on a bridgeport...in aluminum 6061....
People think i am nuts....
However....within what the machine is capable of....going beyond those limits....
Bad news...whether roughing or finishing....
I love your channel!

[hectordominguez]

You guys should keep the same feeds and speeds and slowly increase the radial just to see when the tool breaks lol

[jlr]

With a most recent new machine purchase I went from cutting a part at 35 ipm to 100 ipm, I played more with it today and got to 190 ipm with the correct insert and a little math I should be able to push it to 300

[pietlatte]

I lern so much about cnc with you guys l.thanks for that

[danielhertz]

Very cool. I've always been curious about motor life expectancy at these levels on a full day production level. That's a HUGE duty cycle request on those Motors.

[DolezalPetr]

You are just the best, I don't know how else to say it.