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Medical parts Injection molding safety

2015-4-6 02:01| 发布者: adminer| 查看: 258| 评论: 0

摘要: Safety is everyone’s responsibility in the workplace. Safety is most often related to good maintenance and good housekeeping. Safety needs to be an attitude that is always present in your daily activ ...


Safety is everyone’s responsibility in the workplace. Safety is most often related to good maintenance and good housekeeping. Safety needs to be an attitude that is always present in your daily activities. Employees should not be hesitant to voice safety concerns in the workplace. Management is just as committed to safety as the operators on the floor; the primary difference is that the operators are usually the closest to unsafe conditions; keep management advised of unsafe conditions.
Avoid back injuries; lift properly with the back upright and straight; know your limitations and do not exceed; use proper tools and get help when needed.
The following includes items to be maintained to assure a safe working environment:

    Floor and machine should be kept free of oil.
    Floor and machine should be kept free of pellets.
    Never reach over or under machine guards.
    Never climb between tie bars when pumps are running.
    Retract injection unit before entering tie bar space.
    The front gate should have an electrical, hydraulic and mechanical safety device preventing clamp from closing when the front gate is open.
    The rear gate should have an electrical interlock preventing clamp from closing when rear gate is open (there is often a hydraulic interlock here also).
    Re-adjust mechanical safety each time mold open daylight space is adjusted.
    The purge shield should prevent injection forward if the purge shield limit switch is not made.
    Catwalks or platforms with railing should be present if hoppers such as drying hoppers stand tall enough whereby access requires climbing onto machine.
    Know location of portable fire extinguishers; there should be an extinguisher no farther than 75 feet.
    All electrical outlets should be marked as to voltage.
    Never reach into the throat an operating granulator. Unplug granulators before working on.
    Always wear suitable foot and eye protection; safety glasses should be worn and steel toed shoes are recommended; soft soled shoes should not be worn.
    Do not operate any equipment unless suitable training has been supplied.
    All employees should be advised of any chemicals in the facility which are considered hazardous; read “right to know” laws for each particular state.
    First aid kits should be available
    Advise operators that injection molding resin pressure can reach 30000 psi and that hydraulic line pressure can reach 2500 psi. clamp tonnage developed equals 2000 lbs of force for each ton ; operators be advised.
    Be conscious of sharp square corners on ejector pins; many cuts result from protruding ejector pins.
    Razor knives also require extreme caution as their use results in many cuts.
    Never use steel tools on the mold cores, cavities or parting line….use brass, copper or aluminum. Brass can scratch highly polished steel, so use caution.
    Do not stick fingers or rods into the barrel/screw feed throat area.
    Examine air hoses and electrical cords to verify condition is proper; do not use cords with damaged insulation. Be especially observant when working near nozzle heater bands as these wires are easily damaged.
    Use only swivel type safety eyebolts; screw eyebolts far enough in such that thread engagement is 1.5 times the diameter.
    Never stand directly below a mold suspended in air.Medical part mold, medical parts mould


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