Application Case: Modified Plastics
Project Background
A modified plastics enterprise producing injection molding compounds utilizes various blending materials—including PP polypropylene, EVA, and PE—processed via extrusion and pelletizing into functional particles, with a daily feeding volume of approximately 40 tons.


Given the client's typical order profile of small batches and diverse varieties, coupled with the industry requirement for mixing multiple raw materials for precise downstream ratios, the project faced a core challenge: traditional fixed-position bag-opening robots could not accommodate the multi-hopper, multi-variety feeding mode.
To resolve this, the project implemented Hanchine's standard Mobi Series bag-opening robots, which are equipped with a 7th-axis mobile gantry, enabling autonomous movement between multiple hoppers to deliver precise feeding. This mobile capability perfectly adapts to the complex production characteristics of the modified plastics industry.

Challenges
Complex Production Mode
Orders feature small batches and diverse varieties with frequent batch changes, requiring complex material mixing and precise ratios.
Lack of Flexibility
Traditional fixed robots cannot cover multiple feeding ports, failing to meet the operational needs of multi-variety input.
Solution
Core Equipment
Deployment of Hanchine's Mobi Series Bag-Opening Robots.
Key Technology
Equipped with a 7th-axis mobile gantry to enable autonomous travel.
Functionality
Capable of moving freely between multiple hoppers to execute precise feeding tasks.
Application Value
Strong Process Compatibility
Mobile capability perfectly fits the "small batch, multi-variety" nature of modified plastics production.
Enhanced Flexibility
Solves the multi-hopper feeding dilemma, improving the production line's adaptability to frequent changeovers.
Automation Upgrade
Replaces multiple fixed units with a single mobile robot, achieving efficient automated feeding in complex operating conditions.
rOI
Doubled Efficiency
Robotic high‑speed bag opening with stable cycle time and significant capacity increase.
Labor Reduction
Cuts 2–3 operators per line, reducing labor costs by ~60%.
Near‑Zero Residuals
High‑precision feeding minimizes leftover material and maximizes raw material utilization.
