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Thread: help. broke my saw
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14th December 2019, 05:14 PM #1
help. broke my saw
Hello all,
newly returned from a few years not posting.
I just picked up an old Sherwood 10inch table saw and broke the motor mount getting it off the ute.
Timbecon cant get the part.
Thought I would try a long shot to see if anybody has a 'parts machine' and might have this part available.
its the cast ally hingey bit that holds the motor on.
its model MJ 2325G
sherwood wide pic.jpgbroken sml.jpgsherwood broken bit.jpg____________________________
Craig
Saving a tree from woodchippng is like peeing in the pool;
you get a warm feeling for a while but nobody notices.
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14th December 2019 05:14 PM # ADSGoogle Adsense Advertisement
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14th December 2019, 06:34 PM #2SENIOR MEMBER
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Sorry, I don't have a spare, but if you can't get one, I would think it could be fabricated pretty easily.
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14th December 2019, 08:36 PM #3
It could be repaired with epoxy then a backing plate bolted on to reinforce things. Not as good as a replacement part but should do until you can find a part.
Regards
John
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14th December 2019, 08:56 PM #4GOLD MEMBER
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Take it to a decent welding shop, they should be able to weld it up ok.
Rgds,
Crocy.
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14th December 2019, 10:46 PM #5
You could make one of wood
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14th December 2019, 11:19 PM #6China
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Just weld or braze it
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15th December 2019, 12:06 AM #7
thanks for all the ideas people.
will probably look for someone to weld it. \i though it would be too thin but someone here has said its possible.
would be nice to score a propper replacement.
I hadnt thought of the wooden replacement. got a few old jarrah fence rails here...____________________________
Craig
Saving a tree from woodchippng is like peeing in the pool;
you get a warm feeling for a while but nobody notices.
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15th December 2019, 12:49 AM #8
The part can be welded back together although it looks like typical pot metal alloy, meaning it has a very high percentage of zinc. I’ve TIG welded a cracked saw table top up before but it truly was a PITA.
Another solution is to use an alloy soldering rod, you just need a MAP torch or similar and a stainless steel bristled wire brush.Nothing succeeds like a budgie without a beak.
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15th December 2019, 02:01 AM #9
Welding that will be a pig. In my "youth" I did a lot of welding, its good fun. But that looks like Chineseium, which could be... anything.
Agree with Chief Tiff - Braze it. Its easier and the component hardly needs to withstand an cosmic forces.
I still think a new bracket made of a bit of ply (maybe two glued together) would be far more fun and easier.
That last picture looks like the poor beast has a wee bit o rust.... maybe do the motor plate at the same time. Box it all up and make a dust box/port too. Neato little project.
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15th December 2019, 09:40 AM #10GOLD MEMBER
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I second orraloon. You could use 5mm bolts. If you use a piece of 3mm plate, clamp the broken pieces to it and drill through in appropriate places (say 10) with a 4.4mm (11/64") drill. Tap threads in the steel plate and drill out the holes in the alloy to 5mm. You'll need a strap on each side as well with 4 bolts in each, 2 each side of the break. If you epoxy it as well I would consider this a permanent fix.
The alloy is almost certainly zinc based. Significant strength is required in the side ribs of the casting. Forget trying to weld or braze it, you're on a hiding to nothing.
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15th December 2019, 10:10 AM #11.
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I have a similar TS and that part is definitely cast iron and could be welded by someone that knows what they are doing but the amount of vibe and the loadings would mean the risk of repeated breakage would still be greater than I would like.
I doubt any wood would last that long.
The loads on those location holes are significant and would (eventually) split the wood open and the requirement for locking nuts/threads through the narrow sides of the plate would also not last long in would
If it were me I would remake that part using mild steel. plate.
If you can't find a replacement part in short order or find someone close by to make one, I see you are in Perth and I could make one for you.
I've remade a few motor mount plates and adapter plates for motors.
Here's one that converts a flange mount to a foot mount motor I made for a member with a 2HP lathe
IMG_7052.jpg IMG_7055.jpg
This one was another flange to foot mount conversion when I converted my BS from 2HP SP to a 3HP 3P motor
AdapterPlate2.jpg
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15th December 2019, 10:35 AM #12GOLD MEMBER
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I’ve repaired things like this before with devcon epoxy. But you may need to put a strengthening peice of wood or metal to give it a bit more rigidity. I’ve seen mechanics use devcon for many repairs
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15th December 2019, 01:14 PM #13
so many suggestions. thanks for the interest people.
____________________________
Craig
Saving a tree from woodchippng is like peeing in the pool;
you get a warm feeling for a while but nobody notices.
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15th December 2019, 02:31 PM #14
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15th December 2019, 03:03 PM #15rrich Guest
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