(b) An emergency stop device, such as a bar, rope or cable, along the operating side
of a continuous drawing frame or unit so designed that the device will stop the machine at
any point along the unit. When an emergency stop device has been actuated, the machine
must be restarted manually.
(2) The live block, capstan and straightening rolls of a wire drawing machine must
be enclosed with a barrier guard.
(3) A wire drawing machine must be equipped with a stopping device so arranged to
stop the block automatically if the operator can be caught in the wire or the reel drawn to
the machine, or the area from and including the payoff to the machine must be enclosed
with a guardrail system in compliance with General Industry Safety and Health Standard
Part 2. “Walking-Working Surfaces,” being R 408.10201 to R 408.10241 of the Michigan
Administrative Code. The stop device must be as prescribed in subrule (1)(b).
(4) Where straightening rolls are not used, a snarl switch interlocked with the live
block or capstan must be provided.
(5) A pinch point less than 8 feet from a floor or platform, created by the moving
wire or rod passing over or through the equipment, must be guarded by a barrier if
exposed to contact.
(6) All barrier guards or enclosures that can be removed or opened without tools
must be interlocked with the live block or capstan.
(7) A pinch pointer used to prepare wire or rod for insertion into a die must be
guarded if the opening is more than 1/4 larger than the material being fed into it.
History: 1979 AC; 2019 AACS.
R 408.12639 Boring, honing, reaming, and drilling.
Rule 2639. (1) An employer shall ensure that when boring, honing, reaming, or
drilling, all of the following provisions apply:
(a) Except for hand-held honing, the workpiece is secured by a device to prevent it
from being turned by the tool.
(b) Manual measuring at the point of operation is done only when the tool or
rotating workpiece has stopped.
(c) A vertical metal cutting machine with a rotary table has a rim guard either fixed
or portable around the table of a height to cover any pinch point or rotating hazard at the
lower side and to a point not less than 2 inches above the workpiece or fixture, whichever
is higher. Where the rotating table is at floor level, a removable guardrail system must be
installed as prescribed in General Industry Safety and Health Standard Part 2.
“Walking-Working Surfaces,” being R 408.10201 to R 408.10241 of the Michigan
(d) Multiple-spindle heads, except when used for tapping and those with
cam-operated slides, have an emergency return control at each station.
(2) A chuck key that is used on a drill press must be as prescribed in
History: 1979 AC; 1991 AACS; 2019 AACS.