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» Film-Tech Forum ARCHIVE   » Operations   » Film Handlers' Forum   » Premature wear on Kinoton skate

   
Author Topic: Premature wear on Kinoton skate
Ken Lackner
Phenomenal Film Handler

Posts: 1907
From: Atlanta, GA, USA
Registered: Sep 2001


 - posted 07-05-2002 12:31 AM      Profile for Ken Lackner   Email Ken Lackner   Send New Private Message       Edit/Delete Post 
My theater is two months old, our equipment is brand new, and already we have a few skates from the Kinton PK60D that require replacement because they are worn down. Aren't they supposed to last around a year? What would cause this sort of premature wear?

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Steve Guttag
We forgot the crackers Gromit!!!

Posts: 12814
From: Annapolis, MD
Registered: Dec 1999


 - posted 07-05-2002 08:54 AM      Profile for Steve Guttag   Email Steve Guttag   Send New Private Message       Edit/Delete Post 
The only thing to cause them to wear...excessive tension. Just like any other machine, run the tension as low as possible with a good steady and sharp picture. I wish they would get rid of the +/- thing on the tension gradicle. It is a VERY imprecise gauge. I have theatres with over 1-year's wear with no problems. Now they do use FILM-GUARD all of the time so perhaps the reduced friction there is also adding to their life span.

Steve

------------------
"Old projectionists never die, they just changeover!"

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Michael Schaffer
"Where is the
Boardwalk Hotel?"

Posts: 4143
From: Boston, MA
Registered: Apr 2002


 - posted 07-05-2002 09:13 AM      Profile for Michael Schaffer   Author's Homepage   Email Michael Schaffer   Send New Private Message       Edit/Delete Post 
Maybe you got some of the old skates, they wore down very quickly. The new ones do indeed last much longer. You know of course that you can swap the skates left and right and use the other side as well.
When you adjust the pressure, loosen it until the image starts to move up and down, and then add pressure again just so much that image becomes steady, not more. The skates should last quite long then, and you need to heighten the pressure only in the last phase of their life.
Michael

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Ken Lackner
Phenomenal Film Handler

Posts: 1907
From: Atlanta, GA, USA
Registered: Sep 2001


 - posted 07-05-2002 10:49 AM      Profile for Ken Lackner   Email Ken Lackner   Send New Private Message       Edit/Delete Post 
quote:
You know of course that you can swap the skates left and right and use the other side as well.

I'm not talking about the white runner strips. I'm talking about the "pressure skate," or what would be called the gate on most projectors.

I'll look into adjusting the tension tonight.

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Ken Lackner
Phenomenal Film Handler

Posts: 1907
From: Atlanta, GA, USA
Registered: Sep 2001


 - posted 07-06-2002 12:29 AM      Profile for Ken Lackner   Email Ken Lackner   Send New Private Message       Edit/Delete Post 
The tension on most of our projectors was as it should be -- as loose as possible, but tight enough to keep the film steady. Any other suggestions?

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Stephen Jones
Master Film Handler

Posts: 314
From: Geelong Victoria Australia
Registered: Jun 99


 - posted 07-06-2002 03:59 AM      Profile for Stephen Jones   Email Stephen Jones   Send New Private Message       Edit/Delete Post 
Most likely your skate is not alighned corrrectly this will cause excessive wear.I have had these last 2 yrs before replacement and thats without useing Film-Guard.On the FP50D'S I am runnning now we only replaced the skates a few months ago after just over 2 yrs use.It is very important the they are installed as per the manual as to get the best out of them and as mentioned before avoid excess tension you dont need much on any Kinoton projector.The easiest way to check your tension is to back off till the picture becomes unsteady then increase till it is rock steady that is best way I have found in the 10 yrs i've ben useing Kinoton projectors of various types.
Steve

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