The New “What did you do with your Z today” (with off topic replies) XXXVI

redondoaveb · 04-30-2020, 11:32 PM

Quote:

Originally Posted by Rusty

Is it ball or plain bearings?

They are balls in an open race that get's lubricated by the sc oil

BettyZ · 04-30-2020, 11:38 PM

Quote:

Originally Posted by redondoaveb

They are balls in an open race that get's lubricated by the sc oil

You had me at "balls."

Rusty · 04-30-2020, 11:47 PM

Quote:

Originally Posted by redondoaveb

They are balls in an open race that get's lubricated by the sc oil

Got it. Ceramic balls. Smoother and rounder then steel. A piece of grit will fvck them up. On the PAP units. Depending on rpm. Used either babbit plain bearings for high rpm, or steel ball bearings for low rpms. High rpms was over 50,000. A lot of it was over 100,000 rpms. all of it was pressure fed oil. The seals were ceramic. Could use your bare fingers touch them. The acid in you skin oil would damage the seals. Had to wear white cloth gloves and wipe the seals down with lens wipes.

redondoaveb · 04-30-2020, 11:54 PM

Quote:

Originally Posted by Rusty

Got it. Ceramic balls. Smoother and rounder then steel. A piece of grit will fvck them up. On the PAP units. Depending on rpm. Used either babbit plain bearings for high rpm, or steel ball bearings for low rpms. High rpms was over 50,000. A lot of it was over 100,000 rpms. all of it was pressure fed oil. The seals were ceramic. Could use your bare fingers touch them. The acid in you skin oil would damage the seals. Had to wear white cloth gloves and wipe the seals down with lens wipes.

My blower was spinning close to 62000. The bearings are suppose to be rated to 72000. Not quite as sensitive as what you were working with though.

BettyZ · 05-01-2020, 12:02 AM

Quote:

Originally Posted by redondoaveb

My blower was spinning close to 62000. The bearings are suppose to be rated to 72000. Not quite as sensitive as what you were working with though.

Rusty' sex toys have demanding tolerances. Nothing but the best!

Which only makes sense. Look [with eyepro] at what happened to jarboo and his chitty drilldo....

Rusty · 05-01-2020, 12:15 AM

Quote:

Originally Posted by BettyZ

Rusty' sex toys have demanding tolerances. Nothing but the best!

Which only makes sense. Look [with eyepro] at what happened to jarboo and his chitty drilldo....

When I worked at Elliott. Some of the equipment had tolerances of .0002". most was around .002". Ever use a pencil eraser to remove a high spot on a bearing journal? Scraping babbit bearings in? Bearing housing alignments?

redondoaveb · 05-01-2020, 12:28 AM

Quote:

Originally Posted by Rusty

When I worked at Elliott. Some of the equipment had tolerances of .0002". most was around .002". Ever use a pencil eraser to remove a high spot on a bearing journal? Scraping babbit bearings in? Bearing housing alignments?

Betty's too busy playing with her own balls.

Rusty · 05-01-2020, 12:48 AM

Quote:

Originally Posted by redondoaveb

Betty's too busy playing with her own balls.

Ben Wa Balls.

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