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| Machine shop https://coloradoclassicbroncos.com/viewtopic.php?f=4&t=9491 |
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| Author: | Justin [ Fri Mar 23, 2018 10:53 pm ] |
| Post subject: | Machine shop |
Anyone able to recommend a machine shop? The output shaft on my doubler needs to be turned down about 50/1000ths. |
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| Author: | landshark [ Sat Mar 24, 2018 8:08 am ] |
| Post subject: | Re: Machine shop |
| Author: | Digger [ Sat Mar 24, 2018 9:03 am ] |
| Post subject: | Re: Machine shop |
Curious why your shaft needs turned down? Is it a bearing or seal surface? Is the shaft hardened? |
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| Author: | Justin [ Sun Mar 25, 2018 9:36 am ] |
| Post subject: | Re: Machine shop |
It's a hair larger than factory spec. It is hardened. |
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| Author: | rt9 [ Sun Mar 25, 2018 10:19 am ] |
| Post subject: | Re: Machine shop |
Justin - are you removing 0.050 inches or 0.005 inches? If the larger - be very careful as the harness depth typically is 0.0200-0.0800 inches. I think Digger could probably speak more to this, but the depth is typically small if case hardened. Digger, your thoughts? |
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| Author: | Justin [ Sun Mar 25, 2018 10:23 am ] |
| Post subject: | Re: Machine shop |
It's the bearing surface where the input shaft fits into the bearings inside the rear output. It's about .050 off. |
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| Author: | Digger [ Sun Mar 25, 2018 5:23 pm ] |
| Post subject: | Re: Machine shop |
Not sure who made your shaft, but many are case-harden, like rt9 said. That case depth would be ~0.020", so anymore than .040" and the case is gone. Also be aware that bearing and seal surfaces tend to be ground, not cut after heat treat. Tolerances are in the .0001" range, which is beyond the accuracy of a typical lathe. I'm curious why the shaft doesn't fit the bearing. (Besides the obvious) |
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| Author: | rt9 [ Sun Mar 25, 2018 5:26 pm ] |
| Post subject: | Re: Machine shop |
Justin, do you know the bearing number? Might be possible to get a larger I.D. with same O.D. and width. If you have the number I can check tomorrow at work. Sent from my SM-N920P using Tapatalk |
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| Author: | Digger [ Mon Mar 26, 2018 8:49 am ] |
| Post subject: | Re: Machine shop |
Justin - Can you post a few pictures of the shaft and the assembly? Who made the shaft? |
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