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scroll saw blade clamps driving me nuts

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Forum topic by Ted78 posted 01-13-2014 07:56 AM 686 views 0 times favorited 9 replies Add to Favorites Watch
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Ted78

158 posts in 654 days


01-13-2014 07:56 AM

Topic tags/keywords: blade holders delta question scroll saw scrollworking

I have an older Delta scroll saw that uses two little clamps with Allan head bots to hold onto the pin-less blades. No matter how tight I get them, (I’ve bent cheap wrenches and snapped good ones doing so), they refuse to hold onto the blade. I’m pretty sure I am not over tensioning the blades based on what I’ve read about what it should sound like when you pluck it and how much the blade should move back when you start sawing.

The blades are not breaking, they are slipping out of the holders. They are fairly thick, robust blades if that makes any difference, not doing fine fretwork, just some work a bit to fine for the bandsaw. I’m at my wit’s end. I’m wondering if it’s something wrong with the saw itself as the blades seem pretty firmly gripped in the holders but pop out when trying to cut something with the saw. Any help would be greatly appreciated.

-- Ted


9 replies so far

View Vinnie's profile

Vinnie

100 posts in 2043 days


#1 posted 01-13-2014 02:03 PM

Ted, Take the bolts out that hold the blade and ruff sand the ends that hold the blade. The ends of those bolts have become real smooth and won’t hold your blades anymore. See if that helps.

-- Personalized name sign,custom name signs wood puzzles, home decor http://www.kerflinecrafts.etsy.com

View Jim Finn's profile

Jim Finn

1676 posts in 1576 days


#2 posted 01-13-2014 03:00 PM

Also, be aware that cutting on a scroll saw is VERY MUCH slower than cutting on a band saw. Do not push too hard or the blades may pull out or break.

-- In God We Trust

View Notw's profile

Notw

78 posts in 407 days


#3 posted 01-14-2014 04:18 PM

I have a Shop Fox scroll saw that has set screws that are allen head to hold the blades as well. I quickly got very annoyed at having to use the allen wrench to tighten and loosen so I cut a 1/4” plywood knob on the scroll saw then gorilla glued it onto the end of a longer set screw from HD so i can loosen and tighten by hand with no tools.

View oldwormy's profile

oldwormy

16 posts in 545 days


#4 posted 01-14-2014 11:16 PM

Try sanding each side of the ends of the blade before inserting in the holder. This will remove any oils left from manufacturing and rough the ends so that they will not slip.

-- AlW

View tuffruss's profile

tuffruss

38 posts in 1037 days


#5 posted 01-15-2014 04:31 AM

Get new set screws they will have a cupped end. They won’t slip. Good luck Russ.

View Ted78's profile

Ted78

158 posts in 654 days


#6 posted 01-15-2014 07:39 AM

Thanks for the suggestions. I will try roughing up the blade ends and see if that helps. The ends of the bolts don’t actually come in contact with the blade at all. the holders have a vertical slit that runs about 3/4 of the way to the top and the bolt runs through the slit horizontally just above where you insert the blade and when you tighten the bold if pinches the slit closed on the blade.

-- Ted

View Joe Lyddon's profile

Joe Lyddon

7718 posts in 2706 days


#7 posted 01-15-2014 06:38 PM

Possible to put some of that Thread Locking stuff on the screws to make it harder for them to loosen?
... not the REAL TIGHT stuff… maybe Light or Medium hold?

-- Have Fun! Joe Lyddon - Alta Loma, CA USA - Home: http://www.WoodworkStuff.net ... My Small Gallery: http://www.ncwoodworker.net/pp/showgallery.php?ppuser=1389&cat=500"

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SCOTSMAN

5361 posts in 2239 days


#8 posted 01-15-2014 09:12 PM

A few years back I bought an expensive scroll saw made also by Delta it was a top notch saw with what was said to be at the time comes with latest ( quick change tensioner blade holders).I too have had nothing but trouble with them and sadly the saw sits here never been used in about four years I spent ages trying to get them to hold without success hours at a time and finally gave up. Alistair

-- excuse my typing as I have a form of parkinsons disease

View crowie's profile

crowie

650 posts in 605 days


#9 posted 01-16-2014 10:49 AM

G’Day Ted,
I realize this could be a silly thing to suggest and apologies in advanced.
BUT is it possible to go direct to the Customer Service Dept of Delta and ask them how they’d correct the problem on there machine, especially when Alistair confirmed he too had/has a similar issue.
Just my thoughts…..

-- Lifes good, Enjoy each new day...... Cheers from "On Top DownUnder" Crowie

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