Mich. Admin. Code R. 408.14243 - Ram props and blocks
Rule 4243. A ram prop or block shall be provided and used at each hammer when dies are changed or repaired. The prop or block shall have a handle on the side. One of the following shall be used:
(a) A wooden ram prop or block of hardwood
and complying with not less than the specifications of table 1. The ends shall
be square.
(b) A steel ram prop of
not less than 2 1/2-inch outside diameter by 2-inch inside diameter, or a
structural shape of equal strength, with squared ends.
(c) Other material which shall be of equal or
greater strength as required for steel in subdivision (b).
Figure for 408.14243
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Notes
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