why you should clamp things down on a drill press

[Rustydog2010]

Im going to read the manual i guess.

Real men dont need instructions, but f all else fails, read the instructions

 

[r97]

sry, didn't see any oil, or are you using blood again , you prob have this, but here ya go anyway,

http://www.ryobitools.com/product_manual/file_url/39/DP102L_641_eng.pdf

 

[Bluethunder3320]

Hahaha nope its actually a mixture of engine oil and lemon juice.

When i cut it always smells like lemons. When god gives me lemons, i use it to lube my drill bits!!!

And thanks 4 the link, now i dont have to go digging for a manual hahaha.

 

[redsox985]

Uum, why oil and LEMON juice? And when God gives you melons, you have dyslexia.

 

[Doc Sprocket]

Cutting oil, lemon juice, and metal chips. Satan's margarita!

 

[Bluethunder3320]

Cutting oil, lemon juice, and metal chips. Satan's margarita!

dont forget those spiral-ish peels that come out...

 

[The Mechtician]

I like these locking clamps for drill presses, put a nylok nut on the stud so you (or anybody else) can't take them off and misplace them-->

As for cutting oil, any kind of lube will work but some lubes work better than others. Two unorthodox cutting/cooling lubes I've used include plain 'ol soapy water and brake cleaner (the brake cleaner sauce worked awesome, it evaporates really quick and so cools the bit really really well!). Cutting/tapping/machining oils have extreme pressure additives like sulfur & zinc to prevent damage to bits. Cutting sauce for bandsaws has an emulsifier in it to allow it to mix with water. The water takes care of the cooling and the oil lubricates & protects the teeth of the saw. For cutting & machining stainless steel, I use kerosene or diesel fuel, turn the speed down as low as it goes and push the tool as hard as I can. Taking aggressive cuts at slow speeds prevents work hardening, which is a problem for stainless. [/RANT]

EDIT: Check out this link, it contains valuable info for drilling & cutting metal --> Machine Shop 1 - Cutting Speeds & Calculations

 

[The Mechtician]

Machine Shop 1 - Cutting Speeds & Calculations

EDIT: oops! double post! too much durrrr in my coffee today!

 

[Bluethunder3320]

Machine Shop 1 - Cutting Speeds & Calculations

EDIT: oops! double post! too much durrrr in my coffee today!

great info, im going to buy the locking vice clamps when i get a few bucks.

well for oil now since im all out of my other stuff i use mainly motor oil. i dont have brake cleaner.

 

[devino246]

Machine Shop 1 - Cutting Speeds & Calculations

EDIT: oops! double post! too much durrrr in my coffee today!

Mmm coffee

@Bluethunder, quit holding the pieces my hand. Use a pair of pliers or vicegrips so your hand is out of harms way.

 

[Bluethunder3320]

Mmm coffee

@Bluethunder, quit holding the pieces my hand. Use a pair of pliers or vicegrips so your hand is out of harms way.

yeah, my friend was over, and we were drilling motor mount holes for his bike, and he picked up the big piece of sheet metal, started the drill, and held it with one hand. i was like STOP!!!! lol, accident avoided by digging up a C clamp.

 

[Doc Sprocket]

The only problem I have with using the Nylok is the fact that I find myself repositioning that clamp (the one shown) quite often. The ring nut is convenient for this, a Nylok means I would have to reach for a wrench. Eck.

That, AND, I also have a vise for clamping odd shapes down, so that requires removal of the above clamp, too...

Brake cleaner sauce? I'm not familiar with that. The brake cleaner I have always knwon is the armageddon in an aerosol can. What's the "sauce"?

 

[redsox985]

Brake cleaner is highly flammable. I don't see why flammable products would be used to cool hot pieces. Although they most likely will not flash, it's not worth risking to me when cutting-tapping-drilling fluid is as cheap as it is.

 

[devino246]

Brake cleaner is highly flammable. I don't see why flammable products would be used to cool hot pieces.

*Fun Fact*

If I remember correctly, kerosene is used in the beginning stages of making aluminum foil. Its used to lubricate the rollers which are fairly hot.

 

[Bluethunder3320]

*Fun Fact*

If I remember correctly, kerosene is used in the beginning stages of making aluminum foil. Its used to lubricate the rollers which are fairly hot.

how about using gasoline as cutting oil?

 

[devino246]

how about using gasoline as cutting oil?

gas burns ALOT easier than kerosene.

 

[redsox985]

Kero doesn't burn as rapidly or flash like gas. That's why a lot of people use it for starting camp fires, it isn't as prone to flashing and burns slower.

 

[Bluethunder3320]

well i use motor oil, that stuff doesnt seem to be flammable, because obviously if it runs in the crank case of an engine and it blows up that would be bad...

 

[The Mechtician]

Brake cleaner sauce? I'm not familiar with that. The brake cleaner I have always knwon is the armageddon in an aerosol can. What's the "sauce"?

"Sauce" has become a generic term around my workplace for anything you slop onto parts when cutting, drilling, assembling, etc. It's very common to hear someone shout "PASS ME SOME ****ING SAUCE!!!" at the top of their lungs

Brake cleaner is highly flammable. I don't see why flammable products would be used to cool hot pieces. Although they most likely will not flash, it's not worth risking to me when cutting-tapping-drilling fluid is as cheap as it is.

Cutting sauce does tend to work better than brake cleaner, because of the additives, so I do agree with you. Spraying brake cleaner on hot drill bits isn't as dangerous as it sounds. For one, my drill bits don't get red hot because I keep them sharp and I drill at the correct speeds and feed rates. In this case, the brake clean's job is more coolant than lubricant, because of its volatility. In any case, I'm not trying to convince you to use brake cleaner all the time on your drill bits, I'm just saying you could if you had nothing else

 

[redsox985]

Yes, I'll give you that, but I wouldn't use it as my primary cutting fluid.