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RJSakowski

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#1
The Grizzly G0602 has three radial holes in the spindle for the purpose of securing the spindle when installing or removing a chuck.According to the user manual, you are supposed to use the second chuck key as a tommy bar with those holes. Well the chuck key didn't fit but no problem, I made a tommy bar However, the holes were only about 5/16" deep so there was a great deal of force at the edge of the hole which was slowly distorting the hole.

A better solution was to use a spanner wrench as it locates the fulcrum on the opposite side of the spindle. Now, I could probably buy one; McMaster sells one which would fit for $42. But what the hey, I'm a machinist, right? Why buy when I can make?

To start, I repurposed a previously bent piece of 1/4" x 5/8" stainless, unknown alloy but 300 series. It was already bent into a "p" shape which saved a bunch of blacksmithing work. I needed a curve for 2.6"diameter while the original curve was about had a diameter of about 3.5" but a little tweaking with a persuader resulted in the right curvature. I used a 5/16" dowel pin for the pin welding it with 6011 rod.

The piece was too short so I needed an extension. I selected a piece of the same stock for the extension, While I could have joined the two pieces with a butt joint, I elected to use a cleft joint. The end of one piece is notched while the mating piece is pointed and the two are fit together and welded. This results in a stronger joint. I welded the joint, again using 6011 rod. The welds were cleaned up and the handle cut to length. A hole was added for hanging purposes. Some file work, sanding, and a length of heat shrink for my personal comfort and the wrench was complete. Spanner .JPG
 

mikey

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#2
Nice job, RJ. Keep your ideas coming - lots to learn from you.
 

markba633csi

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#3
I didn't know you could weld stainless with 6011- did you use ac?
Mark
 

RJSakowski

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#4
I didn't know you could weld stainless with 6011- did you use ac?
Mark
Yes, I used AC. I don't know how the weld stacks up to a proper weld and it surely won't be corrosion resistant but I have done so in the past with success. It forms a nice bead and is certainly strong enough to handle the task at hand.

It helps to not know that you can't do it.
 

Fabrickator

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#7
Now that you mention it, I noticed mine is starting to deform too. I just cut off the the worn end of my tommy bar and refitted it. I should take time to make an appropriate spanner. Grizzly's too cheap to give you one with the purchase of a new lathe.
 
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