Bridgeport series II interact II tool holders ?

[bigtoad170]

I know this question has been asked before but it seems that there has been conflicting answers in the past threads. I have a bridgeport series II interact 2there is no drawbar I have the collett that you tighten with a spanner wrench to tighten the tool holder. So which taper is it bt30, nmtb30, or erickson quick change 30? I'm a newbie to CNC so forgive me if these are all the same thing I just want to be sure to get the right holders.

[colin1544]

Hello need a bit more info but if the outside diameter of the quill is about 3.75" its 30 international, if it's 6.000" diameter then it's 40 international also this size will have a 4 HP motor the smaller 30 int will have a 2 HP motor both spindles are probably Bristol Erickson locking ring, hope this helps cheers Colin.

[bigtoad170]

thanks Colin so I have a 30 international. I guess I'm still confused does this mean that a bt30, nmtb30, or a quick change 30 toolholder will work. Again i'm new at this

[colin1544]

Hello again I would more than likely say that you have a BT30 locking ring on your machine check to see if it has three Button head screws around the circumferance if so this a Bristol Erickson locking ring and takes the tooling with one flange for locking the tool into the spindle and two notches for the driving dogs on the spindle hope this sets your mind at rest, see if you can borrow a 30 int toolholder from someone to try it out. Cheers Colin

[bigtoad170]

Yes!! thank you very much for your help. Hopefully I will be able to return the favor in the future.

[gridley51]

Be aware that Int 30 is not the same as QC30.The flange of the QC is smaller in diameter and thicker than the Int30.
Hood who posts here sometimes has copy of the spec somewhere.
Mark.

[Hood]

The QC30's have a flange Dia of 46mm and flange thickness of 8.76mm.
The Int30's have a flange Dia of 50mm and flange thickness of 8mm.
Hood

[bigtoad170]

Okay I found a holder that fits and seems to lock tight it has the dimensions for a qc-30 that hood provided. So one more dumb question is there anyway that the qc-30 be put in the 30 int spindle and feel okay but really is not fitting how it is suppose to. I'm assuming they could not because of the 4mm difference in the diameter but I hate to assume. Thanks for everyones patience

[Hood]

Not really sure what you are asking, but if your spindle has the Bristol Erickson QC nose on it so you will need to get yourself QC30 holders. It would be an easy task to turn or grind the 50mm Dia of the Int30 holders down to 46mm to fit in the B.E. nose but the important dimension on the QC30's is the 8.76mm thickness. As the Int30's only have 8mm thick flanges you wont be able to lock them into the taper. I have heard that some have adjusted the locking ring so that it can lock on thinner flanges but then they couldnt use the thicker QC30 ones unless they readjusted the ring. I tried this but couldnt get the ring adjusted enough to lock the turned down Int30 holders but maybe mine was just too worn?

Hood

[bigtoad170]

Hood even though you weren't sure what I was asking for, you answered my question. I feel very confident that I have qc-30 tooling. Normally I'm not this incompetent but for some reason I confused myself and thankfully you were all there to bail me out Many thanks and happy holidays

[Dennis Storzek]

You think you're confused… This stuff is made by Kennametal now, who is owned by (or owns) J&L Supply. If you go to the J&L web page at:

http://www.jlindustrial.com/Machines...ries/2083.html

and search on "Erickson QC 30" you'll find listings. But, if you click on the View Page icon, you'll see that in the print catalog they're listed as 30 NMTB, no mention of Erickson.

All is not lost, however. Look at the "Kennametal Tool Number" (not the J&L catalog number) All the old Erickson Quick Change stuff begins with either QC30, QC40, or QC50. You want the QC30 stuff.

I just bought a couple more double angle collet tool holders. I searched as above, then took the Kennametal numbers and searched on them in the MSC Supply online catalog:

http://www1.mscdirect.com

Turns out MSC now owns J&L, stocks all the Kennemetal tooling, and had better prices. Go figure. Problem is, searching for Erickson QC 30 on the MSC page wasn't finding them, and they also don't list the variety that takes the DA200 series collets I've standardized on. Going the route of finding the numbers in the J&L catalog and using them to search MSC brought up the listings.

Anyway, the tool holders that came were exactly the same as what I had, so I'm happy. What make some people unhappy is not being able to find cheap import knock-offs of this stuff.

[bigtoad170]

I guess I'm relieved that I'm not the only confused one out there.I would rather buy used than cheap knockoffs. Thanks Dennis for clearing up what I need to do for ordering through msc.
I was talking to one of my coworkers the other day, he said "that a place called michigan drill supplies those and they have quality tooling" http://www.michigandrill.com/ I never purchased anything from there but I probably take a look since I'm from Michigan and our economy is tumbling down quickly.