Shear Hog: New Favorite Endmill for the Tormach!

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Having heard good things about the Shear-Hog, we finally put one to the test - and the results are spectacular! 3 cubic inches per minute of material removal - a great result for the Tormach!

This video is also the 'debut' of using HSMWorks / HSMExpress to generate our CAM and G-Code for the Tormach + PathPilot! Stay tuned for a video next week with more on this.

We're really glad to have the shear hog in our tooling. The fact that it can z-plunge and remove material so rapidly is going to make it an often-used tool here!

If you enjoy this NYC CNC video please hit the like button and share with a friend, it really goes a long way!

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I love random uploads. I'm always looking forward to Wed but it's nice to get a treat through the week :)

Impyman

GREAT video. We are glad to see you are enjoying HSM!

AutodeskHSM

Love your videos! Each one brings me closer to becoming a machinist.

Jianju

I've been using these for years. They're really fantastic.

crunchysuperman

Awesome video! Its cool to see a tool I recommended being used in a small machine like a Tormach, now to try it on my converted G0704!!!!

Side note, I love your channel, its definitely an inspiration for where I wanna end up being in life, the hard part now is to figure out how to get there with an engineering degree....

trevord

Major fan of the shear hog. Been using them for years, I've got their 1.5" 2 Flute style with both a 1" shank and a 1.25" shank.
Also have their 3" 4 Flute Shell Mill style.

Have ran speeds of 14, 000 RPM, 250 IPM on the 1.5", and 10, 000 RPM 375 IPM with the 4FL.

Great tools

KillMaimMurder

When I started in the trade we used highspeed endmills and a bridgeport. To do what you just did I would either have to cut that pocket on a lathe or setup a rotary table.

dbradley

ready for the game? take a shot every time john says folks, whoever stays awake for the most videos wins

donzmilky

Hi John, for Hsm I like using the "Stock Simulation" instead of the "Simulation"

damornz

Wow, that was impressive, I would be interested in seeing how you would do engraving with the HSM Express. I am stuck trying ways to make it work.

doughall

For a long time, the tool makers made tools for large spindles in production shops. That makes sense. They make the tools that people buy. But with the advent of these 3HP and under machines that are fairly capable in a small shop or home shop, hopefully we'll see more of these tools optimized for smaller machines. I love my SuperFly (thank you Tormach!) and I could use a rigid single or dual cutter carbide insert mill. I'm cheap, so I'm a little put off by the $20 insert cost, but that's not a simple carbide insert and no doubt that clever insert is the secret to the Shear-Hog magic. If I cut a lot of aluminum, it'd certainly be a no brainer. The cost per part is probably close to negligible. Thanks for the video making us aware of this, and thanks for the link. I'll definitely check it out. You can never have too many cools in the tool rack... right?

LibertyEver

Cool tool, I'd like to hear that thing plunge right down like it claims it can. Its nice to finally see you running your machine a little harder, I want to see that spindle stall! Still, I have to chuckle a bit at you getting all excited over 3in^3/min, I run a little 2" face mill at ~130ci^3/min in 6061 with cheap chinese inserts. Although coming from a taig, I understand your machine is a different world. It's tough to know how hard is too hard when you don't have a fancy VMC that gives you an accurate load meter, thermal stabilization, and pulls feed out if you're running too hard. I've had my taig trip the thermal breaker in the motor a few times when running flat out.

EricsiPhone

That really makes a good name for itself, it hogs away material like crazy!

Howcome you went with the single fluted variety, as opposed to the two or three? Is it simply because of the ability to do plunge cuts?

SwitchAndLever

John how are you mounting in the spindle? One of those TTS conversion kits?

jcposada

Hi John,
Wow! That end mill really throws out the chips! I can't help but wonder if it would work on steel too. Thanks for the video!
-mike

goptools

You are so awesome!! I'm glad you like our cutter and if it's ok, I'd like to share your video?!

alfredlyon

Hi John, what is the HP of this cut? think a 770 could do this?

stevenlarsen

Are you still planning on going to the Tormach Lathe workshop this weekend?

AppleFXHD

FYI the simulation in full-blown HSMWorks is much better, but it's licensed so isn't used in Xpress. I too wish it were better, as we aren't buying new software until next year.

Tried Fusion 360 yet? Or HSMAdvisor?

Did a quick check, and according to the power curve in the machine profile for the PCNC1100 provided by HSMAdvisor you can get higher MRR running that same path at 4300 RPM (highest RPM+power at the spindle) and 41.77 IPM for a MRR of 4.18 in^3/min and 1.4HP.

atomkinder

Your "chips" look more like long threads. Not exactly "hogging" that super-soft aluminum. What is the alloy, by the way? And why did your spindle rpm show in the setup screen in red digits when everything else was in black? "Overloaded"?

deeremeyer