No. 3 stationary lock up bar?

I am going to be a new owner of a No. 3. that doesn’t have a lock up bar. I am considering having a metal worker create stationary “foot lock up bar” (I think that is what the manual is calling it). I have seen the post linked below about the fixed dead bar for presses such as the No 4. The No. 3s I have worked on did not have this type of stationary bar and there is not an image of the bar in the manual so I question if I am imagining this piece and the foot look up bar is actually referring to a positive lock up bar.

If I am not imagining this piece, does anyone have the foot lock up bar on this press? If so, what are the dimensions? Is it similar in function and shape to the one on the No. 4? There are lock up pins at the end of the bed plate on the No. 3. Does a fixed bar insert into the semi circle indents and against the lock up pins? Or, would a steel bar simply set against the pins? Or, are the lock up pins only for the bead plate and a dead bar would be shy of the pins? Does cold rolled or hot rolled steel make a differnece for this piece?

If I am imagining this piece, does it make sense to make it?

Thanks for any information or advice you can offer.

Positive-lock-bar-vs-fixed-dead-bar
 

 

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Paul Moxon, Moderator
Admin
6 years ago

The lockup pins (LB-64) are available from NA Graphics.
Make the bar and 1/16″ narrower than the bed .

Eric Holub
Editor
6 years ago

You don’t need to use both indents and pins. If the press has holes for pins, that is a much easier bar to fabricate.
If there are just indents, you don’t need to duplicate the original exactly from drawings. The original bar has a lock-screw specifically for a Vandercook Plate Base, and you’d do better to fabricate a thicker bar of furniture height.

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