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Nut-Insert Injection Molding and Inspection using a Yushin Take-Out Robot

Application Field
Industry > Metal·Plastics, Application > Injection·Ejection, Sector > Manufacturing

Process layout

Process Overview

This assembly automation solution uses a YUSHIN take-out robot (SCⅡ 150) to perform insert molding, placing a nut into the mold and overmolding it with plastic, followed by automated inspection. By automating both the insert-loading operation and the downstream inspection process, the system minimizes quality-control touchpoints while improving overall productivity.

Components

Robot

Injection molding take-out robot YUSHIN SCⅡ-150D (for insert loading) 5-axis Cartesian robot + 90° tilting arm Payload: 5 kg Repeatability: ±0.1 mm Stroke (robot specs): Travel 1,500 mm / Vertical 850 mm / Fore–aft 468 mm End-of-arm tooling (EOAT) / Tools Pneumatic grippers: 8 units (Insert loading 4 / Part take-out 4) 3-axis Cartesian robot for vision inspection (including a rotary tool Pneumatic grippers: 3 units (Vision inspection 1 / Orientation-change jig loading 2)

Peripherals

Insert injection molding equipment (optional / separate) Bowl feeder (BOWL FEEDER) Nut loading cylinder Finished-part transfer unit (post-insert) Insert orientation-change jig Vision inspection system

Workflow

STEP 1.Feed and singulate nut blanks via the bowl feeder
STEP 2.Pick four nut blanks
STEP 3.Load them into the insert-molding station
STEP 4.Take out the insert-molded parts and load them onto the finished-part transfer unit
STEP 5.Move the parts to the orientation-change jig
STEP 6.Pick parts one-by-one for vision inspection
STEP 7.Sort and discharge into trays based on inspection results

Features

Improved Production Efficiency and Quality

Continuous, low-idle operation improves overall production efficiency.
Total inspection minimizes defect rates.
Fewer control points reduce the number of operators required.

Cost-Effective Performance with a Dedicated Take-Out Robot

A dedicated take-out robot enables a compact installation and overhead handling.
Optimized motion profiles support high-speed cycle operation.
Compared to articulated robots, this tailored solution minimizes upfront investment cost.

Results

Key Benefits
Improved productivity, Minimized staffing by reducing control/management points
Client Feedback
Because machining cycle time was short, continuous operation was required
by deploying Seojeong’s solution, we increased production speed and were able to perform 100% inspection, which also improved product quality.
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ⓒ2020-2026 Bigwave Robotics Inc. All Rights Reserved.

Bigwave Robotics Inc.

Bigwave Robotics serves only as an e-commerce intermediary for certain products listed by third-party vendors on Marosol and is not the seller of record for those transactions. Bigwave Robotics shall not be held liable for any product information, transactions, or related issues concerning items registered by third-party sellers.

ⓒ2020-2026 Bigwave Robotics Inc. All Rights Reserved.