Repair, maintenance, and modification of blow molding molds (compatible with other manufacturers)
We also welcome molds from other companies and old molds! Achieve longer lifespan through repair, maintenance, and modification of blow molds.
Are you facing issues such as 'burrs coming from the PL surface,' 'clogged water cooling pipes,' or 'the manufacturer that made your molds has gone out of business and repairs cannot be made'? At Nakagoshi Manufacturing, we flexibly respond to repairs and maintenance not only for our own products but also for those made by other companies, including old blow molding molds from 10 to 20 years ago (ZAS products are also acceptable)! ■ Troubles and Requests We Can Address - Repair of wear on the PL surface, occurrence of burrs, chipping, and cracks - Repair of leaks, clogs, and corrosion in the cooling circuit - Repair of misalignment or breakage of guide pins (we also propose high durability through in-row structure!) - Addressing issues with slide mechanisms and air leaks in cylinders - Modification of molds and changes to engraved text due to product design changes ■ Our Strengths! - Even for mold parts without drawings, our craftsmen can measure dimensions from the actual parts and manufacture or replace new components! Additionally, for old molds that use outdated design methods (such as pool cooling), we propose updates to the latest designs (such as flow circuits) to improve productivity. For any issues with blow molds, please consult our specialized manufacturing company!
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**Target Molds** We accommodate all types of blow molding molds, including in-house manufactured molds, molds from other companies, old molds from 10 to 20 years ago, and ZAS (zinc alloy) molds. **Supported Sizes and Processing Accuracy** - Size: Capable of handling extra-large molds up to 2000×1200mm. - Accuracy: Utilizing the latest 5-axis machining equipment, we achieve high-precision finishing with dimensional tolerances in the 10μm range. **Main Services Offered** - Repair of wear on parting lines (PL), welding, buildup, and reprocessing. - Cleaning and repairing cooling circuits (water cooling pipes), addressing leaks. - New production and replacement of worn parts such as guide pins and slide cores. - Mold modifications due to product design changes, changes in mold thickness, and alterations to engraved text. - Various surface treatments (plating, Teflon, texture processing, blasting). **Key Point!** Even for old mold parts without remaining drawings, our craftsmen can perform reverse engineering (dimensional measurement) from the actual parts and manufacture new components for repairs.
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【Main Uses and Target Industries】 Manufacturing blow-molded products for industries such as automotive, construction machinery, agricultural equipment, and daily necessities, addressing issues related to mold aging and molding defects (such as burrs and water leaks) across all industries. 【Examples of Repair, Modification, and Maintenance Achievements】 ■ "In-Ro Structure" for Guide Pin Block to Extend Lifespan Modified the guide pin block to an "in-ro structure" to address frequent misalignment and breakage issues with guide pins in molds from other manufacturers. This modification reduces impact during opening and closing, achieving a longer lifespan for the mold. ■ "Corner Shape Modification" from Actual Measurement without Drawings In an old mold from another manufacturer without drawings, a product design change occurred. Accurate dimensions were derived from actual measurements, and new corner inserts were manufactured and incorporated, completing the shape modification. ■ Repair of Warping in Large Mold (1.5m Length) A long mold that had developed warping over years of use, creating gaps in the parting line (PL) surface. The PL surface was re-machined to be level through surface grinding, allowing for low-cost repairs without the need to create a new mold. ■ Modernization of Cooling System (from Pool Cooling to Water Flow Circuit) Updated an old mold design (pool cooling) to the latest water flow circuit, significantly improving cooling efficiency and productivity.
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Your Consultative Partner for 3D Blow Molds—From Concept to Reality Based in Edogawa, Tokyo, Chuetsu Seisakusho Co., Ltd. is here to solve your engineering challenges. Whether you're wondering, "Can this complex hollow shape be made of plastic?" or "How can we replace metal parts with plastic to reduce weight?", we have the answers. 3 Reasons to Choose Chuetsu Seisakusho: 1. Unrivaled 3D Blow Molding Technology From complex automotive air ducts to daily-use bottles, we design and manufacture molds that directly contribute to your product's weight reduction and cost savings. 2. Upstream Proposals to Prevent Defects We don't just build exactly what is on the drawing. We offer professional VA/VE (Value Analysis/Value Engineering) proposals to optimize your product's shape and prevent mass-production issues, such as suggesting design tweaks to avoid wall thinning. 3. Crystal-Clear Explanations Powered by AI Mold engineering can be highly technical, but we make it easy to understand. Utilizing the latest AI tools, we provide visual and intuitive explanations of complex mold structures and molding processes. We welcome your inquiries, even if you only have a rough sketch or an early-stage idea. Let's make it happen together. Contact us today!
