[Case Study on the Introduction of Gastrose] Improvement of Bubble Defects in the Product Department
Reduction in defect rate and shortened inspection time! A case study of reducing defects using gas vents and air vents.
Due to the occurrence of bubble defects in the product section used for connectors, we implemented gas vents and air vents to reduce defects. After implementation, the gas vent effect allowed for the discharge of gas and resin in front of the product section, preventing mold contamination and extending maintenance intervals. Additionally, low-pressure molding became possible, enabling stable production quality. 【Case Study】 ■ Objective: Improvement of bubble defects in the product section ■ Molding Information - Size: W16×D15×H14mm - Material: PBT (Juranex) - Application: Connector (mainly for home appliances) - Number of pieces: 4 - Molding machine: 50 tons ■ Effects - Bubble defect occurrence rate: 0.50% → 0% - PL surface cleaning interval: 6H → Not required - Disassembly cleaning interval: 4 days → 8 days - Inspection time per piece: 3 seconds → 0.2 seconds *For more details, please refer to the PDF document or feel free to contact us.
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【Molding Conditions (Excerpt)】 ＜Injection Process＞ ■Speed ・Before Introduction: 60mm/sec ・After Introduction: 50mm/sec ＜Holding Pressure Process＞ ■Pressure ・Before Introduction: 50MPa ・After Introduction: 40MPa ＜Actual Measurements＞ ■Filling Time ・Before Introduction: 0.31sec ・After Introduction: 0.40sec ■Cushion ・Before Introduction: 4.15mm ・After Introduction: 4.01mm ■Peak Pressure ・Before Introduction: 110.4MPa ・After Introduction: 100.4MPa *For more details, please refer to the PDF document or feel free to contact us.
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For more details, please refer to the PDF document or feel free to contact us.
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■Sales of In-House Developed Products Gas release pins "Gastose" and "Super Gastose," thread prevention sprues "Radiator Sprue," etc. ■Mold Design and Manufacturing We respond to the demand for precision mold shapes. Our company specializes in high-volume production, and we are confident in our technology. Please feel free to consult us if you have issues such as "unable to produce from 12-cavity to 24-cavity." ■Plastic Injection Molding Our unique molding technology using our original product "Gastose" developed in-house. We deliver highly reliable products in all aspects, including complex shapes with high technical demands and stable quality.