Fine Pitch Rougher EM for steel recomendations

[danielm]

I've been away for a while.....

 

I'm looking for input on suppliers of fine pitch rougher endmills..1 inch dia max.

 

Thanks.

[NOTW Programmer]

I've been away for a while.....

 

I'm looking for input on suppliers of fine pitch rougher endmills..1 inch dia max.

 

Thanks.

Which steel ? If 1018-1500RPM and 25IPM, but it all depends on your depth and radial amt.

[jeff]

Carbide? HSS? you need to give us more info dude.

[chris m]

Hanita and Garr both make some nice variable pitch stuff that you can really bury in the stock; I think SGS is on board now as well. The Garr is, I believe, the least expensive, but I have no experience with them; the Hanita have been pretty impressive when I have used them.

 

C

[danielm]

Carbide? HSS? you need to give us more info dude.

 

 

Sorry for the lack of details....

 

Mat'l is 4330M annealed. HRC 33 max. I'm looking for suppliers of HSS-Co coated...TiCN or TAILN. I've been away for a couple years and I'm thinking that there is a few new 'favorites' among the programming community. Niaraga, SGS, Hanita is where I'm leaning right now. Does anyone like the powdered metal roughers?

[htm01]

been using peel mill with sgs altin coated carbide instead of hog mills lately

[jeff]

Sorry for the lack of details....

 

Mat'l is 4330M annealed. HRC 33 max. I'm looking for suppliers of HSS-Co coated...TiCN or TAILN. I've been away for a couple years and I'm thinking that there is a few new 'favorites' among the programming community. Niaraga, SGS, Hanita is where I'm leaning right now. Does anyone like the powdered metal roughers?

 

 

I'm not sure if the technology on the HSS roughers has changed any since you last used them,since most people nowadays are using endmills like the Hanita Varimill and high speed toolpaths like the Dynamic stuff.

WAY WAY WAY faster metal removal.

[Machineguy]

SGS Z-CARB

Tough rougher. Runs really good on the older machines.

[mkd]

 

WAY WAY WAY faster metal removal.

 

 

well then you've been doin it wrong.

[jeff]

well then you've been doin it wrong.

 

huh?

I'm doing it wrong if I'm doing it faster?

[mkd]

huh?

I'm doing it wrong if I'm doing it faster?

just busting on ya a bit

 

if the HSM method is THAT much faster than a big old school cutter buried, then peope havn't been running it agressivly enough.

 

on cu in/ min, a big cutter buried will out perfom HSM every time.

 

nothing personal, i bust on everyone that gives blanket statments on how great HSM is.

[jeff]

just busting on ya a bit

 

if the HSM method is THAT much faster than a big old school cutter buried, then peope havn't been running it agressivly enough.

 

on cu in/ min, a big cutter buried will out perfom HSM every time.

 

nothing personal, i bust on everyone that gives blanket statments on how great HSM is.

 

You're joking right?

[mkd]

You're joking right?

nope.

numbers dont Joke

[jeff]

there is no way your corn cob cutter can compete with a dynamic toolpath.

but if you think that's the case, feel free to keep using them lol.

[mkd]

hey i've got an idea:

why don't we get into a last-word peeing contest without offering any factual numbers/specifications on the application.

 

no HSM isn't 3 times (ie. WAYWAYWAY FASTER) faster than a buried old school cutter.

 

show me your numbers.....

[jeff]

umad bro?

if a corn cob rougher was faster, then why is everyone using trochoidal and dynamic toolpaths?

 

I don't need to give you numbers, use Google for yourself and get your own.

[mkd]

mad? haha

 

i see you came up with nothin

that's what i thought

 

i can pee father than u

[jeff]

to be pretty conservative in 1018crs

1/2 endmill 1" deep

MRR = 10.8in^3/min

5962 rpm

180ipm

[mkd]

to be pretty conservative in 1018crs

1/2 endmill 1" deep

MRR = 10.8in^3/min

5962 rpm

180ipm

looks pretty aggressive to me.

very nice!!!

i'll have to whip out my calculator and check the step-over on that.

[jeff]

looks pretty aggressive to me.

very nice!!!

i'll have to whip out my calculator and check the step-over on that.

 

.06 stepover

[mkd]

from your FSwizard reference in other thread:

2.0" endmill, 1.8 width of cut, 2in [email protected] ipm

 

ya i know, it's ONLY 16 cuin/ minute

 

nice try though

 

 

Units:

Link: 11985

 

Surface Speed: f/min 143

RPM:

APT: in/tooth

Feed: in/min

 

MRR: 16.1 in^3/min

HP: 9.2

Torque: 2112.5 in-lb

Breaking Torque: 5502.9 in-lb

Cutting Force: 2112.5 lb

Tool Deflection: 0.0102 in

Max Tool Deflection: 0.0050 in

Effective Dia: 2.0000 in

Chip Thickness: 0.00204 in

[jeff]

lol so you're comparing a 2" cutter to a 1/2" cutter?

go away troll.

[mkd]

lol so you're comparing a 2" cutter to a 1/2" cutter?

go away troll.

that wasn't very nice. i was never disrespectful.

thought we were have a gentleman's debate.

 

you came up with the .500 cutter, not me.

[mkd]

i was talking about "big" cutters from the start.

i guess some people are sore losers

 

for a more applicable application:

1.25 corncobb (uncoated/ slow RPM to be charitable to HSM fanboys)

169sfm 8.3 feed, 1.0 step over, 2 in deep= 16.6 cuin/min

 

or 723 rpm (240sfm) @12ipm for 23 cu in/ min.

 

 

or .450" step over at 18ipm= 16mrr

 

 

so 11MRR the HSM way is not automatically faster than old school (16 to 23 MRR). cant make that blanket statement.

[BenK]

With the speed and feed info both of you posted I put together a Mastercam test.

 

Material: 10" x 10" x 2" depth

 

2.00" hog end mill

 

sfpm: 143

ipm: 4.6

step over: 1.8"

depth: 2.00"

 

time:32 minutes

 

 

.5" end mill

 

sfpm: 780 (5962 rpm)

ipm: 180

step over: .06

depth of cut: 1.00" (had to make two depth cuts to reach 2.00" depth)

 

time: 19 minutes