ANSI B151.1 pdf free download
ANSI B151.1 pdf free download.Safety Requirements for Injection Molding Machines.
3 Definitions
For the purposes of this standard, the following
definitions apply:
3.1 alarm: An indication that a failure or mis-
adjustment of a device has occurred.
3.2 anti-repeat: The part of the control system that is designed to limit the 1MM to one cycle even though the actuating mechanism is held in the “operate” position. Anti-repeat requires release of actuating controls before another cycle can be initiated.
3.3 automatic cycle (continuous): A selectable mode of operation of the 1MM which allows it to perform more than one cycle.
3.4 barrel: The cylinder portion of the plasticizing/injection unit within which the material is processed.
3.5 clamp: That portion of the 1MM that holds two halves of a mold and opens and closes the mold.
3.6 coasting: Power-free deceleration to stop motion, including unintentional gravity descent.
3.7 concurrent: Acting in conjunction; used to describe a situation wherein two or more control devices exist in an actuated condition at the same time (but not necessarily simultaneously).
3.8 control circuit: The circuit of a control apparatus or system that carries the control signals directing the sequential motion/cycling of the 1MM by signaling the devices to affect 1MM motion.
3.9 control system: Sensors, manual input, and mode selection elements, interlocking and decision making circuitry, and output elements provided to the 1MM actuators, operating devices or mechanisms.
3.10 core: Stationary or movable mold part that shapes a portion of a molded part.
3.12 ejector: Any and all provisions built into the 1MM or mold for the release of the finished product from the mold.
3.13 electrically driven axis: System consisting of an electric motor, a motor control unit and any additional contactors.
3.14 emergency stop device: Manually actuated control device used to initiate an emergency stop function.
3.15 employer: See user.
3.16 guard: A barrier that provides protection from a hazard.
3.16.1 fixed guard: A guard affixed in such a manner (for example, by screws, nuts, welding) that it can only be opened or removed by the use of tools or by destruction of the affixing means.
3.16.2 movable guard: A guard which may be moved or removed without the use of tools.
3.16.3 gate: A safeguarding device arranged to enclose the hazard zone before machine motion can be initiated.
3.17 hazard: A potential source of harm.
3.18 injection unit(s): The portion of the 1MM that processes or delivers material into a mold.
3.19 instructions: Documentation for the installation, operation, maintenance, and safe use of the 1MM.
3.20 Installer: An individual, partnership or corporation responsible for placement and preparation for use of a machine.
3.21 integrator: An entity that designs, provides, manufactures or assembles a machine, its associated machines or equipment, the safeguarding, control interfaces, interconnections or the control system into a machinery system. See also, supplier; user.
3.22 interlock: A design in which the state of controls or devices or signals either permits or restricts the operation of another.
3.24 locking device: A device intended to lock a guard in the closed position and interlocked to the safety control system.
3.25 lockout: The placement of a lockout device on an energy isolating device， in accordance with an established procedure, ensuring that the energy isolating device and the equipment being controlled cannot be operated until the lockout device is removed.ANSI B151.1 pdf download.
