DavidR8's shop shenanigans

[David_R8]

I know you've already bought material but I was thinking that 3/8 would be easier to manipulate than 1/2.

Easy enough to get more material

 

[Degen]

Why not make it from a block of Aluminium and just machine it out. Skips the welding, forming and bending. Just locate drill and machine out what you don't need.

 

[6.5 Fan]

Lots of good ideas on how to manufacture this part, it will be interesting to see what you end up with and how it fits and functions.

 

[Dabbler]

I know you've already bought material but I was thinking that 3/8 would be easier to manipulate than 1/2.

Easy enough to get more material

Great ideas! I feel the need to add information to the discussion. This assembly has 2 bearings press fit into the one end. this requires about .710-.720 thickness at the bearing, as it is a press fit to a shoulder. the bearing thickness is around .600 (@David_R8 ? can you verify?) with around a .100 shoulder to seat the bearing to.

In addition on the one side [marked A], the bearing retaining boss is actually *inside* the pulley for about .200 and the end bar has to be relieved to the diameter of the pulley plus about 3/4" - or all the way to the joint/angle if you prefer. Both the bearing bosses have to be over .700 marked B on the picture. The dimension marked C is the width of the narrow part, and should be the exact measure of the current part for this part to work correctly.

@David_R8 design above was more schematic than dimensional, so it would be better if a dimension drawing of the current part is done. Either David or I can do this, but it would help everyone to be on the same page.

Here's a high resolution [picture of the installed part with the pulleys in place: [edit sorry for the dim markings. this was a quickie using Paint]

 

[Susquatch]

Great ideas! I feel the need to add information to the discussion.

@David_R8 - They say a picture is worth a thousand words. That's certainly true in this case. The picture I had in my mind of the inside of the case isn't what I see in the photo.

Your advice makes great solid sense to me @Dabbler.

 

[David_R8]

This is super helpful. At this point I have an assortment of parts and I've seen the empty headstock but I've not seen the whole thing assembled.

 

[David_R8]

Ordered seals for the new lathe today. Got them from Bearings Canada. Four seals for $89.
I should note that I thought that finding seals would be a challenging task but it was dead easy.

 

[David_R8]

Treated myself to a new keyless chuck.
Very impressed by the fit and finish.

 

[Tom O]

Thats a different style who makes that one where did you get it?

 

[David_R8]

Thats a different style who makes that one where did you get it?

 

[PeterT]

How is the runout? My friend was looking at the same R8 integrated

 

[David_R8]

Well crap. My trusty Milmermatic 130 just stopped working
Was welding up the pipe for the railings and it just stopped. Breaker didn’t trip, just heard a sort of slow whizzing sound and the fan shut off.

 

[Susquatch]

Well crap. My trusty Milmermatic 130 just stopped working

Sounds like a GREAT excuse for an upgrade.......

As David stomps into the house, huffing and puffing, he is heard to mutter.... "GD Frkn Welder just quit after 40 years of hard use. I needed that right now like I needed a hole in the head....." Then he stiffens up a bit, straightens his shoulders, grits his teeth and mutters..... "Oh well, at least it paid for itself a hundred times over. Now I gotta go buy another one! Gunna go research welders to make sure I get one at least as good that will last the rest of my life...."

 

[David_R8]

Pulled the cover off and it may be just the fan is on it’s last legs.

 

[David_R8]

Sounds like a GREAT excuse for an upgrade.......

As David stomps into the house, huffing and puffing, he is heard to mutter.... GD Frkn Welder just quit after 40 years of hard use. I needed that like I needed a hole in the head..... At least it paid for itself a hundred times over. Now I gotta go buy another one! Gunna go research welders to make sure I get one at least as good that will last the rest of my life....

If I do upgrade it will be a Primeweld machine

 

[jcdammeyer]

Pulled the cover off and it may be just the fan is on it’s last legs.

Don't the fans just chase you and try and get selfies to post on their media page. Happens to me all the time

 

[Susquatch]

Post above edited for minor improvements intended to increase the odds of full spousal support......

 

[David_R8]

One side almost done.

 

[Dabbler]

Nice touch using the traffic cone to advise people to not step in the wrong direction!

 

[Degen]

Since I have a Primeweld and gave up my MIG to get it, I miss the speed of the MIG compared to TIG but not much because the ease of quality welds far outweighs the speed on all materials.