====== Plastics Recycling Clearance ====== {{section>tools:clearance_template&noheader&nofooter}} ====== Tool Specific Instruction ====== ===== Plastic Shredder: Point out the following tool features ===== * Maintenance Tag * Startup/Cleanup Guide * E-Stop * Plunger * Forward/reverse lever * Inlet/hopper and its thumbwheel screws * Outlet ===== Plastic Dryer: Point out the following tool features ===== * Maintenance Tag * Startup/Cleanup Guide * Ventilator power switch * Heater power switch * Heater control panel * Analog temperature gauge * Temperature data chart * Lid latch * Top assembly clamps * Hopper drain lever ===== Injection Molder: Point out the following tool features ===== * Maintenance Tag * Startup/Cleanup Guide * Power switches (Barrel & Nozzle and Heater Plate) * Barrel & Nozzle temperature controllers * Barrel * Nozzle * Material loading chute & safety gate * Table guard * Heating plate, control knob, and centering stud * Clamping force gauge * Pilot force gauge * Inlet pressure regulator * Injection pressure regulator * Temperature data chart * Clamp control valve (orange knob) * Clamp pressure selector (orange knurled knob) * Cycle-Timer selector (middle) * Injection Pressure Selector (black knurled knob) * Injection control valve (black knob) * Injection Speed Control (silver dial on back top) * Ram power return (right side, bottom) * Elevating spindle (allen key hex nut) ===== Identify & mitigate common hazards ===== * Dust - keep hopper covered when shredding or dumping plastic - also wear a dust mask when grinding plastic or dumping plastic between containers * Crushing - do not wear gloves, long sleeves, or other things at the shredder which can get pulled in * Burns - use appropriate gloves at injection molder when handling hot plastic and heated molds, and don't touch hot surfaces of plastic dryer ===== Allowable Materials ===== * Can name two plastics approved for the Plastics Grinder and one unapproved plastic * Can name two plastics approved for the Injection Molder and one unapproved plastic * Can name two plastics approved for the Dryer ===== Safe Setup/Operation/Cleanup ===== ===== Plastic Shredder ===== * Demonstrates proper pre-cleaning of plastic in preparation for shredding * Demonstrates proper pre-cleaning of the shredder to prevent cross contamination * Demonstrates bucket positioning to catch shredded plastic * Demonstrates proper loading technique and understands how much to load at a time * Demonstrates how to safely remove plastic stuck in the shredder * Demonstrates proper reversing procedure when the shredder stalls * Demonstrates proper post-cleaning of the shredder to prevent cross contamination ===== Plastic Dryer ===== * Demonstrates proper loading and unloading of plastic material * Demonstrates cleaning of internal dryer screen (via the top assembly clamps) * Demonstrates setting proper temperature and turning the heat/blower on. ===== Plastic Injection Molder ===== * Demonstrates proper compressed air hookup and regulation * Demonstrates turning machine on and setting appropriate barrel/nozzle/hot plate temperature * Demonstrates mold installation and clamping force adjustment * Demonstrates proper plastic loading procedure * Demonstrates proper injection process and wait time * Demonstrates proper mold removal and finished part extraction ===== Knowledge and Technique ===== * Knows the process for switching injection molder to a different plastic material than what is currently loaded.