machineing tool

[wblue2444]

anyone know what this is found it in a flea market

 

[ptschram]

Valve seat grinding tools?

 

[ihredo4]

I think ptschram has it. Thats would be my guess also.

 

[Jim Johnstone]

What kind of scale are we talking, how big are those reaming heads?

 

[larry_g]

Valve seat grinding tools?

I would say more of a cutter than a grinder. Agree that they are for cutting a tapered seat concentric to a bore. Could be a plumbing or steam valve. Can you show one assembled? Does the cutter face away from the stem or toward it or can it be used both ways?

lg
no neat sig line

 

[ptschram]

I would say more of a cutter than a grinder. Agree that they are for cutting a tapered seat concentric to a bore. Could be a plumbing or steam valve. Can you show one assembled? Does the cutter face away from the stem or toward it or can it be used both ways?

lg
no neat sig line

Good point, cutter, not grinder.

 

[littletoes]

Uh....why would you buy something that was "use-less" to you, at a flea market????? More money than sense???

And Yes, I have used some similar tools for grinding the seats on older control valves on steam and hydronic heating systems.

 

[wblue2444]

uh.... cause i am a collector littletoes

 

[wblue2444]

not for valves that i have ever seen they cut to much

 

[wblue2444]

would go with the plumbing just dont know what they are called look decent I must keep them

 

[wblue2444]

by the way little toes paid five bucks they are worth that

 

[DandDMachine]

I believe those are old valve seat cutting tools. They would typically have a few different angles like A 30, 45 and 60 degree angles. The pilots are the part that would go down into the valve guides to center the cutting bits. Normally they would come with a few different sizes like 3/8" and 11/32" and each size might have a range of sizes to compensate for worn, or different sized guides. They did a decent job in the hands of a skilled operator. Not anything like you would get from stone grinding setup or todays high precision seat cutting machines that weigh in at a few thousand pounds. I have seen them go for decent money on ebay. Is there any brand name on them? Sioux is a pretty common manufacturer of those but there were a bunch back in the day.

 

[bgott]

http://lprtoolmakers.auctivacommerce.com/12pc-VALVE-SEAT-CUTTER-SET--P299140.aspx

 

[ptschram]

Told ya!

:flipoff2: