LumberJocks

Woodworking blog entries tagged with 'bearing'

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Yet another workbench #5: Hardware 2 and Wrap Up

08-31-2015 09:49 PM by JonasB | 0 comments »

Parallel guide chain mechanism To make the chain mechanism, I used #35 chain and the sprockets are 10T with a 3/8 center. The chain is attached using two chain links. I had to do some metal working to create a few items: the brackets to hold the sprockets and a way of securing the chain at both ends. I had a 1.5” rectangular steel tube in my scrap collection so I used an angle grinder with a cutoff wheel to make both brackets that hold the sprockets with 3/8 bolts. Big box store ang...

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Yet another workbench #4: Hardware 1

08-30-2015 05:41 PM by JonasB | 0 comments »

Screw assembly The face vise screw mechanism is all DIY. Here are the piece parts. The hand-wheel has been kicking around my basement for 15 years. I remember buying it on Ebay for a project I never completed. It was too nice to throw away, so it waited and waited until now to find a purpose. The acme screw and nut I picked up on Ebay more recently. I cut the screw to length and drilled the hole that holds the hand-wheel setscrew. I found a 5 inch brass plate 1/2 inch thick also on...

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Yet another workbench #3: Wooden Parts 2

08-29-2015 05:36 PM by JonasB | 0 comments »

Top Assembly The top consist of two sub-assemblies: The lower half and the upper. The lower half is made up of two plywood sheets glued together, edged with maple and joined using doweled bridle joints. The doubled up plywood is attached to the frame using a basic butt joint strengthened with 3/8” dowels and glued down with epoxy. I used this method because my wood was not wide enough for the desired final dimensions if I rabbeted in the panel. This simple butt joint gave me some a...

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Yet another workbench #2: Wooden Parts 1

08-28-2015 05:35 PM by JonasB | 1 comment »

Leg Assembly Two leg assemblies are part of the support system for the bench. I was going to use glued up 2×4s, but found some 12/4 poplar, so sawed that to shape instead. The legs are 2.75” thick and 4” wide, and the top rail is 2.75” square. The legs are angled at about 15 degrees. The 2×4 approach would have simplified cutting the angled slots, but then you have the hassle of cleaning up the glued up legs. The large hunks of wood making up the legs give them a nice soli...

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Yet another workbench #1: My belt and suspenders design.

08-27-2015 10:35 PM by JonasB | 3 comments »

So I decided I needed to finally build a real woodworking bench for my new workspace. I got all the books by Chris Schwarz, checked all the back issues of woodworking mags and browsed the internet in preparation. Then the first thing I did was break one of Chris Schwarz rules. I decided to design my own rather then duplicate a historical bench. I think I had valid reasons. My workspace is small. I could not fit a long bench. A short bench means planning forces have a bigger impact, so I d...

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View FreezFurn's profile

Jet JBS-18 Bandsaw Restoration #2: Getting the Jet BS Up and Running

08-27-2013 02:48 AM by FreezFurn | 0 comments »

It took me quite some time to get 240v ran to the basement, but the installation of a new gas stove right above me in the kitchen could not have been better timed. So, I extended the line from the stove and added two new outlets in the ceiling of my shop. I did not want to invest too much money into a lemon, so I hesitantly hooked it up to the new wiring. It cranked up and ran very loudly with no blade. Which brings me to bearings. Here is a pic of the old upper wheel bearings. They were...

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View Gary Fixler's profile

random #39: Lignum Vitae... hydroelectric turbine bearings?

08-14-2010 08:18 AM by Gary Fixler | 4 comments »

I’ve often heard that lignum vitae (Guaiacum spp.) is the strongest wood – some 3.5x harder than red oak – but this is darn impressive. As per the link: From the Army Corps of Engineers“The original hydro turbine bearings made of Lignum Vitae, lasted from 1934 to 2001. The Lignum Vitae bearing design kept the hydro turbine in service for sixty-seven years!Modern composite metal bearing materials such as Thoradon, Ryetex, Mycarta, and Phenolics are unacceptable mater...

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tragedies #9: I got the new bearing in place!

03-23-2010 03:11 PM by Gary Fixler | 3 comments »

I lamented last week that I just missed the closing time at the local bearing shop. I got there yesterday nice and early and they not only had the right bearings, but bearings with the exact same set of numbers stamped on the side. That gave me some confidence, even though the race covers looked a bit different. The man told me they were from their higher quality line of bearings, and here’s hoping. They were $10/ea., whereas Sears’ version were $4/ea., but I was happy to just get...

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View degoose's profile

Circle cutting #8: Fitting the Lazy Larry Bearing

03-13-2010 07:26 AM by degoose | 12 comments »

I know I have posted this before but it is now on video and for those of you who are not subscribed to my bloghere it is…..

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View Gary Fixler's profile

tragedies #5: My planer's broken bearing

11-22-2009 05:59 AM by Gary Fixler | 14 comments »

I got some shots of the gruesome outcome inside the machine. The replacement bearing has been ordered through Sears Parts Direct and should be here in a week or two. Meanwhile, the carnage… Here are some closeups of the broken bearing from the side where it opened up: Note the broken cage and missing balls. No idea where they went: The shaft was pitted beneath the bearing. At first I thought it was damage, and it may be, but I’m leaning a bit toward it being a...

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