Mich. Admin. Code R. 408.14541 - Die casting machines generally
Rule 4541.
(1)
A manually tended die casting machine shall be equipped with 1 of the
following:
(a) Two-hand constant pressure
anti-repeat controls requiring concurrent use of both hands during the die
closing cycle. The movable platen shall stop or reverse if either control is
released before the die closes.
(b)
A constant-pressure anti-repeat single hand control located at a point where
the operator cannot reach the point of operation. The movable platen shall stop
or reverse if the control is released before the die is closed.
(c) A safety door, interlocked with the
control system, which when opened will prevent closing of the dies. The door
shall be of a size to keep the operator from reaching into the point of
operation when the door is closed.
(d) A manually tended die casting machine
installed after July 11, 1973, shall be equipped with an interlocked safety
door.
(2) A die casting
machine shall have a barrier interlocked to the control system on the side
opposite the operator. The barrier shall cover the die opening in a manner to
prevent an employee from reaching into the point of operation. Where the
operation requires a helper, the barrier may be removed but the controls
prescribed in
R
408.14522(2) shall be
provided.
(3) A die casting machine
shall be equipped with an interlocked safety door or by metal shielding which
will protect the operator and other employees from inadvertent metal splash or
squirting from the parting line.
(4) Either a long-handled tool shall be
furnished and used to remove castings or flash from a die casting machine if
they are not automatically extracted or ejected or the employee shall be
protected by a mechanical device which automatically prevents closing of the
machine.
(5) An automatic die
casting machine shall be equipped with interlocked doors or barrier guards of a
size and design to keep an employee from reaching into the point of operation.
A door or barrier may be removed or maintained in an open position where an
extractor would interfere with its use, if the extractor is guarded as
prescribed in
R
408.14544.
Notes
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