Figure 7. A guard equipped with safety signs covers the barrel of the injection unit.
Potential Hazards:
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Skin burns from contact with the heated barrel or burns from splatter of hot plastic and gases/vapors.
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Hands or limbs caught in machine while loosening trapped materials at feed throat.
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Slips, trips, and falls at material feed location.
Possible Solutions:
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The injection unit and other accessible parts posing thermal hazards should be insulated or guarded. Place warning signs where hot parts are necessarily exposed.
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Place a fixed guard (usually a grid) or a distance guard (usually the hopper) at the feed throat. Do not place your hand into the feed throat.
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Wear appropriate personal protective equipment (PPE), such as a heat-resistant gloves, long-sleeved shirt and eye/face protection, when necessary.
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Use a ladder, rolling stairs, platform, or other safe means to access the hopper or feed throat area. Do not climb on the machine.
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