Design Small Plastic Recycling Machine
Budget / Salary₹12,500–37,500
TypeFreelance project
LocationRemote
Posted56 minutes ago
I am looking for an experienced mechanical engineer/machine designer or small-scale recycling equipment manufacturer to design, build, test, and deliver a complete working plastic recycling machine for converting household plastic waste into useful products.
The machine should be a compact bench-top or small floor-standing unit suitable for a workshop and capable of processing approximately 5–10 kg of plastic waste per day.
Machine Requirements
The machine should be capable of:
Plastic shredding/crushing
Process common household plastic containers and polythene/plastic bags.
Compact shredder/crusher with appropriate motor and safety protection.
Easy cleaning and maintenance.
Heating and plasticizing
Controlled heating system suitable for the selected plastic materials.
Temperature monitoring and regulation.
Protection against overheating and material degradation.
The design should account for different plastic types rather than assuming all household plastics can be safely mixed together.
Molding
Produce plastic cups and flower pots initially.
Interchangeable molds with a quick and simple change-over mechanism.
Molds should be reusable and reasonably easy to manufacture/replace.
The process should aim for consistent product dimensions and quality.
Control & Safety
Temperature controller/display.
Motor control.
Emergency stop.
Electrical and thermal safety interlocks.
Proper guarding around moving/heated components.
Suitable electrical components for workshop use.
Expected Deliverables
I am looking for the complete physical machine, not only CAD/design files.
The supplier should provide:
Fully assembled working machine
Shredder/crusher
Heating/plasticizing system
Molding mechanism
Cup mold
Flower-pot mold
Control panel
Motors, heaters, sensors and electrical components
Safety guards and emergency-stop system
User/operating instructions
Maintenance instructions
Electrical/control documentation
CAD drawings and BOM if available
Testing of the machine before delivery
Guidance on suitable plastic types and operating temperatures
Acceptance Criteria
The machine should:
Process approximately 5–10 kg/day under normal workshop operation.
Successfully convert suitable sorted household plastic waste into molded products.
Produce usable cups and flower pots with repeatable results.
Allow reasonably quick mold changes.
Have controlled heating and adequate safety protection.
Be compact enough for a small workshop.
Be practical to operate and maintain using readily available components.
Important: I am interested in a working prototype/machine that is physically manufactured and delivered, rather than receiving design files only.
If you have previous experience with Precious Plastic-style recycling machines, plastic shredders, extrusion/injection/compression molding, or small-scale plastic recycling equipment, please include examples/photos/videos of previous machines you have built.
The machine should be a compact bench-top or small floor-standing unit suitable for a workshop and capable of processing approximately 5–10 kg of plastic waste per day.
Machine Requirements
The machine should be capable of:
Plastic shredding/crushing
Process common household plastic containers and polythene/plastic bags.
Compact shredder/crusher with appropriate motor and safety protection.
Easy cleaning and maintenance.
Heating and plasticizing
Controlled heating system suitable for the selected plastic materials.
Temperature monitoring and regulation.
Protection against overheating and material degradation.
The design should account for different plastic types rather than assuming all household plastics can be safely mixed together.
Molding
Produce plastic cups and flower pots initially.
Interchangeable molds with a quick and simple change-over mechanism.
Molds should be reusable and reasonably easy to manufacture/replace.
The process should aim for consistent product dimensions and quality.
Control & Safety
Temperature controller/display.
Motor control.
Emergency stop.
Electrical and thermal safety interlocks.
Proper guarding around moving/heated components.
Suitable electrical components for workshop use.
Expected Deliverables
I am looking for the complete physical machine, not only CAD/design files.
The supplier should provide:
Fully assembled working machine
Shredder/crusher
Heating/plasticizing system
Molding mechanism
Cup mold
Flower-pot mold
Control panel
Motors, heaters, sensors and electrical components
Safety guards and emergency-stop system
User/operating instructions
Maintenance instructions
Electrical/control documentation
CAD drawings and BOM if available
Testing of the machine before delivery
Guidance on suitable plastic types and operating temperatures
Acceptance Criteria
The machine should:
Process approximately 5–10 kg/day under normal workshop operation.
Successfully convert suitable sorted household plastic waste into molded products.
Produce usable cups and flower pots with repeatable results.
Allow reasonably quick mold changes.
Have controlled heating and adequate safety protection.
Be compact enough for a small workshop.
Be practical to operate and maintain using readily available components.
Important: I am interested in a working prototype/machine that is physically manufactured and delivered, rather than receiving design files only.
If you have previous experience with Precious Plastic-style recycling machines, plastic shredders, extrusion/injection/compression molding, or small-scale plastic recycling equipment, please include examples/photos/videos of previous machines you have built.
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