Full automation of injection molding line logistics with AMR logistics robots

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Process Overview

This case study demonstrates an inline logistics solution that utilizes the Yujin Robot GoCart180 and an upper conveyor module to automatically transport plastic injection products from the injection molding machine to the shipping facility.

By developing a conveyor module tailored to the customer's production line, we automated product loading and unloading, achieving complete automation throughout the entire inline transport process without operator intervention.

Warranty Period

1 Year

Performance Year

2023

Project Duration

Need for consultation

Project Background and Objectives

Injection molding manufacturing in-line labor shortage
Factory operations are disrupted due to difficulties securing workers
Workers avoid work due to the risk of musculoskeletal disorders and industrial accidents

Components

Robot	Two Yujin Robot GoCart180 Payload: 180kg ISO 13482 PLd safety standard certified Operating speed: up to 1.0m/s
Peripherals	Upper electric conveyor module Order picking cart Middleware

Workflow

STEP 1.	After the injection molding machine injects the food container, it is discharged onto the conveyor
STEP 2.	When the injection product reaches a certain amount, the AMR is automatically called
STEP 3.	The injection product is automatically loaded from the injection molding machine conveyor to the upper conveyor of the AMR
STEP 4.	The AMR moves the injection product to the shipping space
STEP 5.	The injection product is automatically unloaded from the AMR conveyor to the shipping conveyor
STEP 6.	The worker packages and ships the product.

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Key Features

Fully automated inline logistics using electric conveyor modules
ISO 13482 PLd certification, safe AMR movement utilizing seven sensors
Preventing industrial accidents through automated transport of high-temperature plastic injection molded parts
Consulting to optimize robot operation based on operational data after solution implementation

Implementation Results

ROI Period	2 years
Key Metrics	The introduction of robots has reduced the amount of simple transportation work, and the number of simple walking routes for workers during work hours has been reduced by 90%. Robots have replaced these tasks, reducing labor costs by 33%.
Client Feedback	By replacing the 25-meter-long transport task, which required a single worker to walk every five minutes, with AMRs, worker satisfaction has increased and they can now focus on higher-value tasks. By completely separating the hazardous injection molding machine workspace from the worker's workspace, we have eliminated safety risks such as noise and crushing. Furthermore, by establishing the image of a state-of-the-art factory utilizing AMRs during customer visits, we have positively impacted customer orders.