O/T spindle taper sticking

[STEELTHOM62]

Does anyone else have problems with their Cinncinati's 40 tapers sticking in the spindle after roughing?I thought this was brought up in a recent thread but I've had no luck searching for it.Machine is an Arrow1000

[McRae]

Don't know the thread, but...

 

Suggest that the retnetion collet assembly be adjusted. There shoud be a mechanism that gives the retetion know a little Pop - to break the taper during tool change. Is there a lot of Heat transfer into the spindle during this roughing??

[STEELTHOM62]

The toolholder usually isn't warm and the spindle isn't warm however,generally when I have this problem it's when I use through-the-spindle coolant, so it's hard to tell.

[Guest CNC Apps Guy 1]

We've got like 14 of them. We found that if the coolant was running too rich it would cause that on occasion. So our maintenance guy boosted the pressure on the air blast that helps eject the tool.

 

HTH

[STEELTHOM62]

Thanks, James.I'll try mixing a little thinner.

 

I wish I had a maintenance man.

[Jim Whipple]

Cad Cam also mentioned using Pam cooking spray on the tapers...I've been doing that and it works well

Jim

[Mark H]

Is this the thread you were looking for? Click here.

[CNCme]

Good eve'nin

First thing Which James mentioned was thick coolant or any grime inside taper. Some mach's

have light oil mist with air blast and this meter

valve could get clogged so only air is blasting

during tool change. One other thing, are the tools

or the spindle taper worn?...a tool change arm which is not aligned to pick and place tool holders might cause tool/spindle taper wear.

HTH

TonyG

[STEELTHOM62]

Mark, thanks that was the thread.As far as wear on the spindle and tool holders,everything looks to be in good shape and we've had this problem since the machine was brand new.

[cadcam]

Jim I don't remember saying "Pam for cooking" but Coppercoat.ROFL

[Grant]

I had this problem on our Toyoda FH100b - BT50 spindle, only on one tool, a Seco (I think you American guys have Carboloy?) R215.59 80Dia. long edge helical mill. This mill does all the "grunt" work, and was sticking in the spindle at tool change. I set him up in a lathe and carefully polished the small end of the taper with some 600 wet & dry, (don't call me ruff), I had to do this proceedure twice, but now no problems, and no change in it's performance either!

Grant

[limitless creativity]

No tool should get stuck in the spindle under normal use.

even if the machine and tooling is running under optimal sfm this should not happen, the machine should be looked at by the machine tool builder or a qualified service engineer.

 

just my .002

 

Mike

[Jim Whipple]

quote:

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Jim I don't remember saying "Pam for cooking" but Coppercoat.ROFL

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Jeez....I could have sworn that was you!!!

Works well though, No kidding

We have a little Haas that sticks the holders every now and then and it's really cut down on that

Don't use the butter flavor though!

Jim

[Fig sign]

Hi ,STEELTHOM62 !

 

I use the Swiss Metaflux 70-81 Lubricating metal spray with a grey grease rich with sulphur from time to time for my Deckel - Maho.

Also good for untirusting and it is temperature resistant from -180 till +1350!

Not very expencive.

All the problem dissapeared.

The theory is a good thing but sometimes there is a simple practice solution

[McRae]

If this has been a problem since day 1 - check that you are using the correct retention knob. There is a possibility that the knob geometry is off. What about other mechanical interference, have the collet fingers bent? Is the mechansim adjusted correctly? Get a QUALIFIED electro/mechanic technician to give her a once over.

[ROB]

we have one cincinati mill and don't have that problem,but we do have a problems with our vf-haas

mills, the tool sticking on the spindle every time we are doing some roughing ops, got to get a big mallet to get the tool out, i hate that.

[STEELTHOM62]

The dealer checked this out not too long after we bought the machine, but said this was normal.I guess it's not too big a deal but I have to put M0's in after all my roughing ops and make sure she's not locked in there, that's a pain in the ***.Thanks for everyone's suggestions.

[McRae]

Your Dealer is LAZY... This is not normal, if you paid for a tool changer, then the machine must tool change!

[Scott Bond]

Do you have a local independant you could ask?

Our local guy (M&M) fixed our sticky situation.

 

I am not convinced Cadcam knows anything about PAM. Once;;; While eating chicken at a BBQ he remarked on how good the chicken tasted ,and asked the host How did he get the chicken like this. The host said "Pam". Then he asked

"Does she have a sister"

[Jim Whipple]

quote:

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Then he asked

"Does she have a sister"

 

---

ROFL!!!!

Jim

[Jack Mitchell]

Mr. Bond,

 

So happy to have witnessed your split second escape from the clutches of evil; I have heard, as of late, there are undesirables hanging out around those nasty Haas machine tools. – any truth in this?

 

As Mike suggested,

 

quote:

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the machine should be looked at by the machine tool builder or a qualified service engineer.

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As Andrew suggested,

 

quote:

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Get a QUALIFIED electro/mechanic technician to give her a once over.

---

You know something? Such qualified engineers and mechanical technicians only exist in the minds of those that believe in such fantasies.

 

Am I alone here? Or do I know of one single person out of twenty plus years that actually pulls the rabbit out of the hat – repeatedly!

 

Sorry for the rant, I’m just frustrated with the latest & greatest, out of DeVry.

 

Regards, Jack

[Guest CNC Apps Guy 1]

quote:

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Sorry for the rant, I’m just frustrated with the latest & greatest, out of DeVry.

---

There's no difference between them and newbie University Grads for the most part. Piece of paper, "I'm the $#!+" attitude and no real world experience.

 

Fortunately for us, we have highly qualified Service Engineers here in SoCal so we don't have to worry about our machines being down for too long. For our Mori Seikis, usually the parts are in the LA office or the Dallas HQ so we get them the same or next day (including spindles)and the Ellison guys are very good as are the Factory Mori guys. For our Cinci's, we hired an ex Service Eng. so we don't really have to go outside for that too often.

 

JM2C

[Scott Bond]

Hi all

quote:

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You know something?

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Not Much.