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Updated versions of documents added to the files section

 

Hi Guys
I've revised the documents on 'Fixing vertical squareness...' and "Buying a used 4x6...' and they ARE added to the Files section. If you're in the habit of copying docs to your home drive then pls download the new versions as they're quite different.

Fixing vertical squareness or Worn pivot bearings on a 4x6 Bandsaw v2.pdf
Fixing vertical squareness or Worn pivot bearings on a 4x6 Bandsaw v2.pdf
Buying a Used 4x6 Bandsaw v5.pdf
Buying a Used 4x6 Bandsaw v5.pdf

David Pidwerbecki
 

Thank you so much for the documentation John.

I"ve? been going through my saw very slowly.? ?I determined that the pivot holes on my saw frame were really oversized and different diameters.? ?The hole on the right was .630"(ish) and the one on the left was .628"(ish).? ? The pivot holes on the main table casting were close to the adjacent holes.? ?My shaft diameter was something like .621", so it was a really sloppy fit.? ?

I have a 4 jaw chuck for my lathe that I will use? to reduce the shaft so that the pivot shaft is parallel to the vise table.? My shim stock to create a square cut was about 0.016" (using your wood technique).? ?I will place my shaft in the 4 jaw chuck and offset it by ??? (should this be 0.032").? ?The reason why I'm asking is that the diameter of the machined area should take into account the shaft sitting lower in the blocks on the table.? ?I'm thinking I should only offset my 4 jaw chuck something like 0.026" and then remove 0.016" so I machine over 180 degrees of the shaft.

What do you think?

Also, when I made my shaft .630" on the right hand side, that was a reasonable fit on the table pivot holes.? ?I'm thinking I should reduce this shaft diameter about .002"-.003" so it won't bind on the casting once I lock the left hand down with the set (grub) screw.?

After you have done all of this work, did you find that the in/in out of square cutting was the same for steel as it was for wood?? ?I'm getting slightly different results even with the new shaft.

Dave
 

Hi Dave?
It was easier to write a reply in a word doc.??
Pls see attached - jv

On Tue, Feb 2, 2021 at 7:22 PM David Pidwerbecki <dpidwerbecki@...> wrote:
Thank you so much for the documentation John.

I"ve? been going through my saw very slowly.? ?I determined that the pivot holes on my saw frame were really oversized and different diameters.? ?The hole on the right was .630"(ish) and the one on the left was .628"(ish).? ? The pivot holes on the main table casting were close to the adjacent holes.? ?My shaft diameter was something like .621", so it was a really sloppy fit.? ?

I have a 4 jaw chuck for my lathe that I will use? to reduce the shaft so that the pivot shaft is parallel to the vise table.? My shim stock to create a square cut was about 0.016" (using your wood technique).? ?I will place my shaft in the 4 jaw chuck and offset it by ??? (should this be 0.032").? ?The reason why I'm asking is that the diameter of the machined area should take into account the shaft sitting lower in the blocks on the table.? ?I'm thinking I should only offset my 4 jaw chuck something like 0.026" and then remove 0.016" so I machine over 180 degrees of the shaft.

What do you think?

Also, when I made my shaft .630" on the right hand side, that was a reasonable fit on the table pivot holes.? ?I'm thinking I should reduce this shaft diameter about .002"-.003" so it won't bind on the casting once I lock the left hand down with the set (grub) screw.?

After you have done all of this work, did you find that the in/in out of square cutting was the same for steel as it was for wood?? ?I'm getting slightly different results even with the new shaft.

Dave

Dave 03Feb21.pdf
Dave 03Feb21.pdf

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