Section 408.16245. Hot plate, spin, and ultrasonic welding machines; guards.

(1) The point  of   operation  on  a  hot  plate,   spin,  or ultrasonic welding machine shall be guarded with either of the following:

(a)   A movable interlocked gate or fixed barrier that is designed and constructed to prevent an employee  from  reaching  into the  point  of operation, except when the gate is open.

(b)   A device as prescribed by the provisions of R 408.16225.

(2)   Moving parts of a hot plate, spin, or ultrasonic machine which create a pinch point shall be guarded as prescribed by the provisions of subrule (1)(a) of this rule.

(3)    The heated plates of a hot plate welding machine shall be guarded against accidental contact when in a retracted position.

(4)   A fixed barrier of solid material shall be  installed   on  a  spin welding machine if any of the following conditions exist:

(a)   A rotating chuck continues to spin when in the retracted position.

(b)   Flash is projected and the machine is guarded by a device.

(c)   Fixed orientation is accomplished by an indexing mechanism.

History: 1979 AC; 1992 AACS.