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Discussion Topic:
Turning wide 5 drums
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thirtysixford |
09-02-2015 @ 5:48 PM
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Member
Posts: 210
Joined: Oct 2009
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Have an Ammco brake lathe. trying to come up with a way to chuck wide 5 rear drums into the machine. If anyone I bet Supereal may know
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ford38v8 |
09-02-2015 @ 6:52 PM
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Senior
Posts: 2763
Joined: Oct 2009
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Speedway has an adapter available to bolt onto a wide 5, having multiple smaller bolt patterns.
Alan
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thirtysixford |
09-02-2015 @ 7:01 PM
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Member
Posts: 210
Joined: Oct 2009
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Geez Alan, you always come though Thanks again
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pauls39coupe |
09-02-2015 @ 8:23 PM
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Posts: 205
Joined: Jul 2014
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There is an AMMCO adapter that fits inside the bearing and registers against the drum locking it in place, so it can be turned. Sorry I do not know the part number. The wide five adapters I have seen are used to balance tires not turn brakes.
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CharlieStephens |
09-02-2015 @ 9:08 PM
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Posts: 893
Joined: Oct 2009
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I may be out of touch but I thought you located the drum from the inside where the axle goes using a special adapter on the machine. Check with local clubs (including the Model A guys) and see if anyone in your area still has the set up. Charlie Stephens
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JM |
09-03-2015 @ 4:15 AM
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Posts: 823
Joined: Oct 2009
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Turning the brake shoe contact area of the drum would not be done with the drum mounted on its lug nuts. The drum should be mounted on its centerline datum through spindle bearings or their mounting diameters. Paul and Charlie are correct. Alan's adaptor plate suggestion would work great however for balancing a wide five wheel and tire assembly. John
This message was edited by JM on 9-4-15 @ 6:04 AM
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ford38v8 |
09-03-2015 @ 7:57 AM
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Posts: 2763
Joined: Oct 2009
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John, Paul, & Charlie are right. Alan didn't come through!
Alan
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CharlieStephens |
09-03-2015 @ 9:08 AM
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Posts: 893
Joined: Oct 2009
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If you put your general location in your post (and your profile) someone might know of a shop near to you with the adapter. Charlie Stephens
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Stroker |
09-03-2015 @ 2:04 PM
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Senior
Posts: 1460
Joined: Oct 2009
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There is some merit to torquing a plate in a wide-five drum regardless of how it mounts on the drum lathe. Drums are surprisingly "flexible", and just like using a boring plate on engine blocks, can benefit from being in their normal "loaded" shape during machining. I'm with Alan on this one.
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ford38v8 |
09-03-2015 @ 2:27 PM
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Senior
Posts: 2763
Joined: Oct 2009
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Thanks, Dan, and very much agree with the drum flexing comment. Can the adapter plate be used in conjunction with the AMMCO adapter? I'm at a loss because I've never watched a drum turning operation.
Alan
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