Michigan Administrative Code
Department - Labor and Economic Opportunity
MIOSHA
General Industry and Construction Safety and Occupational Health Standards
General Industry Safety Standards
Part 23 - HYDRAULIC POWER PRESSES
GENERAL PROVISIONS
Section R. 408.12310 - Definitions; P

(1) "Pinch point" means any point, other than the point of operation, at which it is possible for a part of the body to be injured by being caught between the moving parts of the press or auxiliary equipment, between moving and stationary parts of the press or auxiliary equipment, or between the material and moving parts of the press or auxiliary equipment.

(2) "Point of operation" means the area of the press where material is actually positioned, and where work is being performed, during any process such as shearing, punching, or forming.

(3) "Point of operation device" means a press control or attachment that does any of the following:

(4) "Presence sensing device" means a device designed, constructed, and arranged to create a sensing field or area, and to deactivate the control of the press when an operator's hand or other part of the body is within the field or area.

(5) "Press," as referred to in this part, means a powered machine, having a liquid energy transfer media that actuates the slide motion toward and away from the bed surface, where the slide is guided in a definite path by a frame or cylinder.

(6) "Primary operation" means a preliminary press operation applied to material to be subsequently processed. Examples of primary operation include blanking, piercing, and corner cutting.

(7) "Pull-out device" means a mechanism attached to the operator's hands or arms and connected to the slide or upper die, and designed to withdraw the operator's hands from the point of operation as the slide or upper die descends.