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Machine Shop and Tool Talk

Early South Bend Question


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  #1  
Old 09-23-2017, 12:06:30 PM
wilkesfam wilkesfam is offline
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Default Early South Bend Question

I am looking at a South bend with the numbers 20177 stamped between the ways on the bed. The South bend site says that these were the early ways to check the size of the lathe but don't say how. Does anyone have an idea?
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Old 09-24-2017, 07:47:45 AM
QuickJ QuickJ is offline
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Default Re: Early South Bend Question

I believe the number relates to the build card for the lathe.

It is a serial number, but you would need to contact the factory, who would then pull the build card for that serial number and would be able to tell exactly what size and special features they had put on that particular lathe.

I thought that Southbend (now Clausing) still had access to these cards and would provide you with the information for a fee.
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Old 09-24-2017, 07:57:24 AM
I like oldstuff I like oldstuff is offline
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Default Re: Early South Bend Question

Grizzly owns the South Bend assets and you can likely get a build card from them for $25. www.grizzly.com
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Old 09-24-2017, 10:55:03 PM
AngrySailor AngrySailor is offline
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Default Re: Early South Bend Question

Quote:
Originally Posted by wilkesfam View Post
I am looking at a South bend with the numbers 20177 stamped between the ways on the bed. The South bend site says that these were the early ways to check the size of the lathe but don't say how. Does anyone have an idea?
Do mean how to check the actual size of the lathe? Measue from the spindle centre line to the closes part of the bed or ways for swing, the largest radius that will spin. Then measure max distance between centres. For example 8"x40" would take 16" diameter over the ways (not over the cross slide) by 40" long work piece max
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Old 09-25-2017, 08:32:33 PM
dirty tools dirty tools is offline
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Default Re: Early South Bend Question

you can go to http://www.wswells.com/serial_number.html for information on older SB
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Old 09-25-2017, 08:59:32 PM
Labradigger1 Labradigger1 is offline
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Default Re: Early South Bend Question

Practical machinist website has the numbers history. Serial no. Should be between the 2 screws of the r/h leadscrew hanger on top of the bed on the front way.
How early? Around 1912 or so iirc they started with the O series model 34's, next series had the double walled ways.
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