Grinding a Flat Bottom Drill

Matt Schmelzer, CNC instructor at Northeast Wisconsin Technical College, talks about flat bottom drills and how to sharpen them.
Did you find this video useful? Leave a comment below and don’t forget to subscribe.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~
This video is part of our new video series: ” LEARNING FROM THE PROS”!
We are collaborating with educators from the most advanced technical schools around the country to provide you with tips and tricks, educational videos, and machining technology insights that will help you become a better machinist and learn something new about our beloved metalworking trade.
This demonstration is part of the Northeast Wisconsin Technical College's program.
To learn more about the manufacturing programs at Northeast Wisconsin Technical College visit www.nwtc.edu/academics/progra...
~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Practical Machinist is the largest and most engaged metalworking community across the web. With more than 160,000 registered members and 350,000+ social media followers, Practical Machinist is the easiest way to learn new techniques, get answers quickly, and discuss common challenges with your peers. Visit Practical Machinist today to join the community and start connecting with your peers.
Become a Practical Machinist member (www.practicalmachinist.com/)
Like us on Facebook ( / practicalmac.. )
Follow us on Instagram ( / practicalma.. )
Follow us on Twitter ( / prac_machinist )
Connect with us on LinkedIn ( / prac.. )
#machining #drilling #metalworking

[@Weadababytsaboy]

Flat bottom drills, you make the machinist world go 'round.

[@MrJTJINX]

get on your bike lol

[@nickkiofetzis5667]

thank's for that buddie. i needed to add square bottom hole to a cyl head this has got me out of trouble your a champ,

[@almacdonald2506]

In school I was taught to stand off to the side of a grinding wheel while it came up to speed, as that was a more likely time for a wheel to come apart. Don’t know if that is true or not. Good video, thanks!

[@TonyDalSanto]

Would love to see a technique to sharpen end mills next!

[@alanharwood6846]

Good demo
i taught this for 34 years of teaching machining

[@JonasWanted]

Good to know! Thank you for the excellent class!

[@thorgersbach698]

Thank you for a great video

[@nigelritson9910]

Excellent information and presentation-thank you.

[@ypaulbrown]

fantastic video, well photographed. great information, thank you

[@jamesconnors5653]

Thank you.

[@alanharwood6846]

this is great. the end mill is fine if you interpolate the bottom if you plunge with the end mill it will leave a slight angle on the bottom as the endmill has a slight angle to the center of the mill. I also used to teach how to sharpen a sheet metal bit,, as for grinding wheels I like a Norton Wheel 32A 46 or 60 K5 VBE, wonderful for sharpening drills and HSS bits,, dont grind mild steel on it

[@77Avadon77]

Flat bottom drills you make the Rockin world go round 📢🕺🏻🕺🏻🕺🏻

[@HanstheTraffer]

I got that.

[@77Avadon77]

@@HanstheTraffer 🤣🤣

[@eddiekulp1241]

Did thousands of them, a cutter grinder makes it easy

[@montanaplease]

I wonder why you can’t just buy drillbits already done ?

[@HanstheTraffer]

So that's how they teach it in a school. Interesting. My way is a little different.

[@jgrana587]

let's see it cut then

[@luizguilhermecosta7221]

what is the specification of the whetstone you used ? Thanks

[@alanharwood6846]

that would be a grinding wheel

[@siddukusume6592]

Hello 3.5 drill