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| Most users ever online was 180, 04-22-2008 at 12:18 AM. |
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04-06-2008, 03:00 PM
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#1
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Name: Randy
City: Macon
State: NC
County: Warren
Join Date: Jan 2006
Age: 58
Avg Visit Freq/Week
= 5.04 over 125 days
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What makes TS inserts grow????
This has me stumped  !
I have a Delta Contractor Table Saw purchased about 3 years ago. I replaced the standard inset with a Zero clearance insert almost immediately. Now, 3+ years later, I tried to put the original insert back and it's too BIG!
I've checked/cleaned both the insert and the opening in the saw top. I even sanded around the edges of the insert HOPING the red paint had somehow swelled  . Still doesn't fit>
Has anyone ever seen this before? How can a steel/metal insert swell? Should I just scrap it and build another?
Thanks in advance for your sage advice 
__________________
Randy
Being "over the hill" is much better than being under it!!!
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04-06-2008, 04:27 PM
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#2
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Name: Glenn
City: Baskerville
State: VA
County: Mecklenburg
Join Date: Jan 2008
Age: 59
Avg Visit Freq/Week
= 6.72 over 125 days
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Re: What makes TS inserts grow????
Perhaps a check of table flatness is in order, north to south and east to west. Any table warpage would change the hole size. Just my half penny of thought . If the table is "dished" that would bring insert hole ends closer together. Picture bending a paper plate, bending it would bring edges closer together.
__________________
 " I get knocked down but I get up again" - Chumbawamba
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04-06-2008, 06:28 PM
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#3
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Name: Reggie
City: Albemarle
State: NC
County: Stanly
Join Date: May 2007
Avg Visit Freq/Week
= 6.89 over 125 days
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Re: What makes TS inserts grow????
Been cuttin' any alumwood on that thing?
__________________
I'm a great believer in LUCK! I find the harder I work, the more I have of it.
Thomas Jefferson
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04-06-2008, 06:35 PM
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#4
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Name: Travis
City: Wake Forest
State: NC
County: Wake
Join Date: Dec 2005
Avg Visit Freq/Week
= 5.26 over 125 days
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Re: What makes TS inserts grow????
Not trying to be a smarta$$ but are you sure that is the original insert? Other than Glenn's suggestion, I am stumped as well.
__________________
Wife changed my perspective.  I need want some additional tools. I need want a
multi-spindle line borer - unlikely in 2008
pocket hole machine - unlikely in 2008
Festool sander and vacuum -told I don't need 2 not going to happen
Edge bander - unlikely this decade
oscillating edge sander - unlikely in 2008
floor model chisel or slot mortiser - unlikely in 2008
and a bigger shop - maybe in 2009
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04-06-2008, 07:01 PM
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#5
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Name: Randy
City: Macon
State: NC
County: Warren
Join Date: Jan 2006
Age: 58
Avg Visit Freq/Week
= 5.04 over 125 days
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Re: What makes TS inserts grow????
Glenn, The table is dead flat. I checked with a known straight-edge  .
Reggie, I've cut nothing but "real" wood on the saw...and very little of that  .
Travis, I know it's the original insert. I removed it shortly after purchasing the saw and replaced it with the ZC insert. It has been stored in "NEW" condition in the bottom of the extension wing.... 
The only reason I tried to put it back in was to cut a 45 deg. angle since the ZC insert is for 90 deg. cuts.
It is a real conundrum....
__________________
Randy
Being "over the hill" is much better than being under it!!!
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04-06-2008, 07:57 PM
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#6
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Name: Reggie
City: Albemarle
State: NC
County: Stanly
Join Date: May 2007
Avg Visit Freq/Week
= 6.89 over 125 days
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Re: What makes TS inserts grow????
Randy, if you figure this one out, please let us know. You've covered all the bases my limited experience can muster. To my knowledge, metal doesn't usually grow or shrink unassisted.
__________________
I'm a great believer in LUCK! I find the harder I work, the more I have of it.
Thomas Jefferson
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04-06-2008, 08:19 PM
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#7
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Name: Alan Schaffter
City: Washington
State: NC
County: Beaufort
Join Date: Dec 2005
Avg Visit Freq/Week
= 6.66 over 125 days
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Re: What makes TS inserts grow????
Maybe the insert was bent or stepped on so it is thinner, BUT wider. Did you drop something on the table top causing the throat or the edge of the throat to deflect inward? You trying to put it in backwards or upside down?
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04-06-2008, 08:21 PM
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#8
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Name: Travis
City: Wake Forest
State: NC
County: Wake
Join Date: Dec 2005
Avg Visit Freq/Week
= 5.26 over 125 days
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Re: What makes TS inserts grow????
Is your shop heated? Have you tried it when it is cold and when it is warm out?
__________________
Wife changed my perspective. I need want some additional tools. I need want a
multi-spindle line borer - unlikely in 2008
pocket hole machine - unlikely in 2008
Festool sander and vacuum -told I don't need 2 not going to happen
Edge bander - unlikely this decade
oscillating edge sander - unlikely in 2008
floor model chisel or slot mortiser - unlikely in 2008
and a bigger shop - maybe in 2009
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04-06-2008, 08:45 PM
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#9
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Asst. Webmaster
Senior Moderator
Name: DaveO
City: Clayton
State: NC
County: Johnston
Join Date: Aug 2005
Age: 38
Avg Visit Freq/Week
= 7.00 over 125 days
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Re: What makes TS inserts grow????
Metal, especially cast iron does move a little in response to temperature changes. That is why you can heat/freeze a fitting to get it apart. I don't know if that is your problem, but it could be
Dave 
__________________
  Nothing left to do but smile, smile, smile
Honestly Honey, that will cost around $100 $150 $200, and I need a few more tools. 
Heard from a client..."If I had your tools and experience...I could do it myself"
"Be who you are and say what you feel, because those who mind don't matter and those who matter don't mind."
--Dr. Seuss
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04-06-2008, 09:04 PM
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#10
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Name: Steve
City: Raleigh
State: NC
County: Wake
Join Date: May 2007
Avg Visit Freq/Week
= 6.05 over 125 days
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Re: What makes TS inserts grow????
Are you sure that the table didn't shrink? Maybe a little too much sweat dripped on it during the summer?
__________________
“Women will forgive anything. Otherwise, the race would have died out long ago”
Robert A. Heinlein
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04-06-2008, 09:33 PM
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#11
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Name: Mark
City: Goldsboro
State: NC
County: Wayne
Join Date: Mar 2006
Avg Visit Freq/Week
= 5.94 over 125 days
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Re: What makes TS inserts grow????
If it is an aluminum insert, that may explain it as aluminum expands much more than steel or CI, but it must have been extremely close tolerance for that to happen and the weather is not that warm. I would check for a warped insert or for a shop buddy that needed to swap an insert!! Just smack it a couple times with the dead-blow. It probably just needs an attitude adjustment. 
Go
__________________
My only regret in life is that I did not listen more and talk less
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04-07-2008, 09:38 PM
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#12
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Name: Chuck
City: Rocky Mount
State: NC
County: Nash
Join Date: Nov 2005
Avg Visit Freq/Week
= 5.26 over 125 days
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Re: What makes TS inserts grow????
Originally Posted by RandyJ
This has me stumped !
I have a Delta Contractor Table Saw purchased about 3 years ago. I replaced the standard inset with a Zero clearance insert almost immediately. Now, 3+ years later, I tried to put the original insert back and it's too BIG!
I've checked/cleaned both the insert and the opening in the saw top. I even sanded around the edges of the insert HOPING the red paint had somehow swelled . Still doesn't fit>
Has anyone ever seen this before? How can a steel/metal insert swell? Should I just scrap it and build another?
Thanks in advance for your sage advice
Isn't there a set screw on one end of those Delta inserts...maybe it's hanging up?
I dunno, if the insert is growing I wouldn't wanna put it in, in another few years it'd likely crack the top.
Scrap it and build another. Those stock inserts are okay if rip width and the offcut are WIDE, otherwise they are an exercise in evaluating random projectile motion of wood at high velocities, and occasionally generating very neat sounds as wood is wedged then sucked through the hole/blade.
I replaced my original insert with a Delta ZCI and occasionally fill with epoxy and re-cut to get re-establish zero clearance.
Chuck
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04-08-2008, 10:11 AM
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#13
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Name: Randy
City: Macon
State: NC
County: Warren
Join Date: Jan 2006
Age: 58
Avg Visit Freq/Week
= 5.04 over 125 days
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Re: What makes TS inserts grow????
Thanks for all the suggestions and wise-cracks 
I haven't been sweating enough to shrink the table .
The shop is heated and cooled. No change with temp swings.
If I can figure out how to make a ZCI for 45 degree cuts , I'll do that.
Thanks again...This site is great!!!
__________________
Randy
Being "over the hill" is much better than being under it!!!
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04-08-2008, 10:57 AM
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#14
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Name: Chuck
City: Rocky Mount
State: NC
County: Nash
Join Date: Nov 2005
Avg Visit Freq/Week
= 5.26 over 125 days
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Re: What makes TS inserts grow????
Originally Posted by RandyJ
Thanks for all the suggestions and wise-cracks
I haven't been sweating enough to shrink the table .
The shop is heated and cooled. No change with temp swings.
If I can figure out how to make a ZCI for 45 degree cuts , I'll do that.
Thanks again...This site is great!!!
Maybe you could touch up the insert with a disk sander/stationary belt sander/grinder. Just mark with a pencil at the bind points. Shouldn't take much and you only use it for bevels anyway. Just a thought.
Yep, I use the stock insert for beveled cuts, too, and they aren't always 45 degrees, huh?
Chuck
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04-08-2008, 11:11 AM
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#15
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Name: Joe
City: Holly Springs
State: NC
County: Wake
Join Date: Sep 2005
Age: 65
Avg Visit Freq/Week
= 7.00 over 125 days
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Re: What makes TS inserts grow????
No comment, just want to be notified when then answer comes up.
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