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Myford Super 7 Bed for Power Cross Feed

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Mike Donnerstag06/06/2019 12:36:37
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92 forum posts
9 photos

Quick question: I have an early 80s Super 7 with gearbox and power cross-feed. I am looking to replace my worn bed and wondered what differentiates the various beds. Specifically, what makes a bed a power cross-feed bed?

John Haine06/06/2019 12:46:53
2604 forum posts
133 photos

Nothing as far as I know, they're identical.

Phil Boyland06/06/2019 13:29:54
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46 forum posts
13 photos

Only difference is in the saddle, apron and lead screw I believe.

Peter Sansom06/06/2019 13:33:57
59 forum posts
2 photos

Just ge the bed reground. Others in your region will be able advise as to where to get ths done. If nothing else locate a shop with a surface grinde that will accomodate the bed.

I believe that there is a difference in the bed castings, certainly between the pre and post power crossfeed Super 7's. don't know if the ML7R bed is the same as the Power Crossfeed Super 7.

Brian Oldford06/06/2019 13:53:28
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563 forum posts
4 photos

IIRC the cut-out in the bed is larger to accommodate the bevel gear that rides in the keyway. Myford may have rationalised the beds of the later PCF and non-PCF machines.

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