Table saw blade alignment - Woodworking Talk - Woodworkers Forum
 
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post #1 of 6 Old 04-02-2011, 10:43 PM Thread Starter
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Table saw blade alignment

I have a Delta Contractors saw Model # 36-477 that I bought in 2000. It has been an excellent tool and I've made many fine cabinets and woodworking projects with it.
After moving recently I noticed my blade alignment (Parallelism) was out a little more than acceptable. The blade I'm using is within tolerances to use as a base for alignment and the arbor is free of nicks and debris.
To bring everything back into alignment I had to loosen and adjust both the front and rear trunnions. I had it dialed in very very close and was pretty happy with myself until I went to put the blade table insert back in. The alignment is now causing the blade to scrape the right side of the insert when facing the front of the saw. I have no more room on the front trunnion to pull it any further to the left.
O.K. to get over my frustration I took a deep breath and joined your Forum. I hope I have given you enough info so I may ask these questions.
Do I except the good alignment and file the inside of the insert so the blade doesn't hit it or is their something more I can do to bring the unit back into it's original alignment.
I am not without dial and caliper skills but neither do I like to jump into something blind.
Any personnel experience or a lead to a website would be appreciated.
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post #2 of 6 Old 04-02-2011, 10:52 PM
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Quote:
Originally Posted by iceblue View Post
I have a Delta Contractors saw Model # 36-477 that I bought in 2000. It has been an excellent tool and I've made many fine cabinets and woodworking projects with it.
After moving recently I noticed my blade alignment (Parallelism) was out a little more than acceptable. The blade I'm using is within tolerances to use as a base for alignment and the arbor is free of nicks and debris.
To bring everything back into alignment I had to loosen and adjust both the front and rear trunnions. I had it dialed in very very close and was pretty happy with myself until I went to put the blade table insert back in. The alignment is now causing the blade to scrape the right side of the insert when facing the front of the saw. I have no more room on the front trunnion to pull it any further to the left.
O.K. to get over my frustration I took a deep breath and joined your Forum. I hope I have given you enough info so I may ask these questions.
Do I except the good alignment and file the inside of the insert so the blade doesn't hit it or is their something more I can do to bring the unit back into it's original alignment.
I am not without dial and caliper skills but neither do I like to jump into something blind.
Any personnel experience or a lead to a website would be appreciated.
iceblue...my delta is pretty similar to yours, I've got a -441B. I had the same problem as you, in that after alignment the blade was scuffing the insert. Simple solution...make your own inserts(google ZCI). You'll be wanting zero clearance inserts anyway...less chipout, and safer too.

Mick

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post #3 of 6 Old 04-03-2011, 01:29 AM
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I hate to hijack the thread, but what if you have this same problem with alignment, but insert clearance isn't an issue? I have mt trunions adjusted as far as possible, but I still have about a 1/16th difference between entry and exit sides of blade. Is 1/16 really enough to worry about?
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post #4 of 6 Old 04-03-2011, 01:30 AM
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Not the same saw as you guys though... If that matters
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post #5 of 6 Old 04-03-2011, 06:30 AM
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Quote:
Originally Posted by iceblue View Post
I have a Delta Contractors saw Model # 36-477 that I bought in 2000. It has been an excellent tool and I've made many fine cabinets and woodworking projects with it.
After moving recently I noticed my blade alignment (Parallelism) was out a little more than acceptable. The blade I'm using is within tolerances to use as a base for alignment and the arbor is free of nicks and debris.
To bring everything back into alignment I had to loosen and adjust both the front and rear trunnions. I had it dialed in very very close and was pretty happy with myself until I went to put the blade table insert back in. The alignment is now causing the blade to scrape the right side of the insert when facing the front of the saw. I have no more room on the front trunnion to pull it any further to the left.
Quote:
Originally Posted by mickit View Post
iceblue...my delta is pretty similar to yours, I've got a -441B. I had the same problem as you, in that after alignment the blade was scuffing the insert. Simple solution...make your own inserts(google ZCI). You'll be wanting zero clearance inserts anyway...less chipout, and safer too.
I agree. Make a template from the existing one and make several. You'll always need them. When running the blade through the first time, crank the blade all the way down. Move the fence over on top of the insert, but clear from where the blade will be coming through.

Start the saw, and slowly crank the blade upward.








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post #6 of 6 Old 04-03-2011, 04:38 PM Thread Starter
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Thanks guys. Sometimes the simplest solutions are best. Nice piece of oak you got pictured there Cabinetman and thanks for the welcome.
I've made inserts for some of my other attachments and it looks like that's the way I'm going to go.
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