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tools:plastics:clearance [2023/09/24 19:10] – removed - external edit (Unknown date) 127.0.0.1tools:plastics:clearance [2024/03/07 16:53] (current) georgiabc92
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 +====== 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.