Safety Hazards - continued
Table 3-1 Safety Hazards
Hazard Area Potential Hazards
Area of the Heater
Bands of the
Plasticizing and / or
Injection Cylinders
See Figure 3-1 area 7
Burns and / or scalds due to operating temperature of:
• The plasticizing and / or injection unit.
• The heating elements e.g. heater bands.
• The material and / or vapors discharging from the vent opening, feed
throat or hopper.
Parts Discharge Area
See Figure 3-1 area 8
Mechanical Hazards
Accessible Through the Discharge Area
Crushing, shearing and / or impact hazards caused by:
• Closing movement of the platen.
• Movements of cores and ejectors and their drive mechanisms.
Thermal Hazards
Accessible through the discharge area
Burns and or scalds due to operating temperature of:
• The mold.
• Heating elements of the mold.
• Material released from / through the mold.
Hoses
See Figure 3-1 area 9
• Whipping action caused by hose assembly failure.
• Possible release of uid under pressure that can cause injury.
• Thermal hazards associated with hot uid.
Area Inside the
Guards and Outside
the Mold Area
See Figure 3-1 area
10
Crushing and / or shearing and / or impact hazards caused by:
• Movement of the platen.
• Movement of the drive mechanism of the platen.
• Movement of the core and ejector drive mechanism.
• Clamp opening movement.
Electrical Hazards • Electrical or electromagnetic disturbance generated by the motor
control unit.
• Electrical or electromagnetic disturbance that can cause failures in the
machine control systems and adjacent machine controls.
• Electrical or electromagnetic disturbance generated by the motor
control unit.
Hydraulic
Accumulators
High pressure discharge.
Power Operated
Gate
Crush or impact hazards caused by the movement of the power operated
gates.
Vapors and Gases Certain processing conditions and / or resins can cause hazardous fumes
or vapors.
3-4
© 2020 Mold-Masters (2007) Limited. All Rights Reserved.
SAFETY
E-Multi Controller User Manual
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