Why We Always Machine Dry

[ScottGunMag]

There are situations where we use high pressure air rather than coolant to evacuate chips when using some insert cutters. This extends the life of the inserts by avoiding thermal shock from instant heat cool cycles many times per second. The rep from I think Sandvic came to our shop to sell us on the idea many years ago. I am retired now.

[cncmilljunkie]

I run a large bridge mill. Sometimes blowing the coolant off the part is the longest process in the whole cycle. At that point, I will figure out a way to machine it dry. May not be as fast, but minus the time you save when blowing the coolant off the part, I am still ahead.

[Doophenschmirtz]

Sometimes running compressed air, especially for roughing cuts, allows heat to escape into the chip easily.

[brianhowe]

I think a lot of people also dont recognize that the rank and file soldiers of the late middle ages/early rennaissance often wore iron plates, rather than steel, as it was significantly cheaper. (Steel was around 2 to 2.5 times the price of iron, I believe)

And also to point out that all these tests were done against the breastplate, the thickest and strongest part of the whole suit.

[zaz]

I run a lot of 4140 annealed! Any suggestions or help is appreciated! Best tooling?

[itzzorua]

We dont use coolant on regular steel, anything tougher we do tho, stainless and above (And Bronze)

[_dimes]

Yup. I have run stainless steel at 240 in/min. Dry ... those are angry chips. Tool life was great

[IllusiveChristie]

Do you use a window cleaner? Ours are rotoclear s3 and we have c2 inside.

[rpatrick]

Will those coatings work with a knee mill like a bridgeport also or do you need enough power to get the heat up for them to work? Do you have a preference? I'm so new it's cheap HSS for now but I am thinking one of those put it on the power feed and read a book next to the estop and wait.

[JohnSchuetz-jslk]

AWESOME THANKYOU TITANS FOR DOING
YOU ARE THE HEROS OF THE WORLD NO AMERICA.
YOU WILL COME TO LEARN SOON WHY I AM SAYING THAT!

[IsleOfFeldspar]

a good example of 'you can but you still shouldn't'

[horaciokanashiro-hvzn]

Yes, good to hear it.
Keep the 🪄 going on Titans 👍

[allsortsofinterests]

Thermal shock bro! Don't destroy a hot tool with coolant. I promise you, in heavy steel work the tool life will increase at least 2x if not 3x running with air blast only. Gotta have correct speeds and feeds!

[GorVala]

They lying.. they ran out coolant budget 😅

[JubJubAc]

Huh, i always go home with chips in my pockets after work, maybe i should run coolant

[chananielwizman]

Extending the life of your tool by a lot. I was right I was running TIALN in 1018 slotting at a ramp. Cutters were breaking in about 50 inches. With coolant multiply that by 30. I have a feeling that was more than just chip evacuation.

[DaveFromVh]

Lmao when they superimposed his face on the cadet😂😂😂

[moofymoo]

Posers don't run coolant just to show off. Internet these days.. makes people so dumb.