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不二精工

addressOsaka/Nishiyodogawa-ku, Osaka-shi/Himesato 3-5-4
phone06-6472-9409
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last updated:Feb 13, 2023
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不二精工 List of Products and Services

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Composite forming processing technology Composite forming processing technology
Precision press processing technology Precision press processing technology
Design・Proposal ~ Prototyping ~ Mass Production Design・Proposal ~ Prototyping ~ Mass Production
Mold processing technology Mold processing technology
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We will exhibit at the Manufacturing Partner Forum 2024 in Osaka!

We propose an automatic insert molding line utilizing press technology!

We are pleased to announce that Fuji Seiko Co., Ltd. will be exhibiting at the "Monozukuri Partner Forum 2024 Osaka," which will be held on September 6, 2024. Please bring any issues you may have; we can discuss them on the spot! 【Exhibition Information】 ■ Date: September 6, 2024 (Friday) 10:30 AM - 5:00 PM ■ Venue: Umeda, Osaka, Herbist Hall *Advance registration (free) is required for attendance. Please register in advance using the URL below.

  • Other Auto Parts

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Sealing with insert molding! Improving adhesion between metal and resin.

A must-see for development personnel aiming for efficiency! Achieving high adhesion and airtightness by using special elastomers.

This document contains information on "Technology for Improving Adhesion Between Metal and Resin." In insert molded products, the interface between metal and resin is not well adhered, leading to issues such as water ingress due to high pressure during car washes and condensation in the vehicle's engine compartment. To address this, our company improves the adhesion between metal and resin through the following dual molding process: - Using elastomer (a special material rich in adhesion) in the primary molding - Joining metal and resin through heat and thermal treatment in the secondary molding We conduct air leak evaluation tests. You can view the test details by downloading the PDF, so please feel free to take a look. [Contents Included] - Concept of dual insert molding line - Evaluation tests for "Adhesion Improvement" technology - Pursuit of "Adhesion Improvement" technology - Towards the establishment of "Adhesion Improvement" technology - Investigating causes and extracting issues for "Establishment" *For more details, please refer to the PDF document or feel free to contact us.

  • Coupling
  • Electrical equipment parts
  • Waterproof Connector

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Insert molding with a defect rate of around 2% in Osaka.

"Osaka's Energetic! Manufacturing Company 2018 Best Award Winner" - Insert molding with a line that promotes automation unaffected by variations caused by human labor.

Fuji Seiko Co., Ltd. has been awarded the 2018 Grand Prize for Excellent Small and Medium-sized Manufacturing Enterprises in Osaka, selected by Osaka Prefecture. We manufacture insert molded parts with keywords "precision" and "composite," focusing on mass production and stable quality. To minimize the defect rate, we promote automation and unmanned production lines, and we are continuously advancing research and development of technologies to improve the adhesion between metals and resins to meet a wide range of needs. 【Business Description】 Manufacturing of precision metal press parts, manufacturing of insert molded resin parts *For more details, please refer to our catalog or feel free to contact us.

  • Processing Contract
  • Other Auto Parts

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Precision mold processing

The ability to balance sub-micron order precision with ultimate mass production capability is our strength.

Fuji Seiko Co., Ltd. has been committed to the mission of "supplying high value-added components that maximize the performance of press processing" since its founding, and is engaged in the design and manufacturing of molds rooted in their essential roles. In response to the advanced needs for integration, we have accumulated various automation technologies that not only enhance the precision of molds but also strengthen the collaboration between pressing and resin molding. By utilizing groundbreaking production technologies based on integrated technical know-how, we contribute to our customers through the supply of competitively advantageous components. 【Features】 <Points of Mold Technology> ■ Precision progressive molds that complete multiple processes (punching, bending, drawing, and riveting) in a one-stop manner ■ Precision progressive molds that combine spring processing technology with punching and drawing ■ Unique know-how in maintenance technology *For more details, please refer to the PDF materials or feel free to contact us.

  • Processing Contract
  • Mold Design

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Shangai Binya Precision Engineering Company Profile

Producing Japanese quality in the right location. A global base for various Asian countries: "Shanghai Hanyano Seiko."

At Shanghai Binya Precision Engineering, we carry out precision metal stamping, resin molding, precision insert molding, and assembly (ASSY) processing. We own 15 stamping machines, 15 molding machines, and multiple measuring instruments. Additionally, we have established a quality assurance department to focus on inspections. We produce automotive electrical components and industrial terminal block parts. Please feel free to contact us when you need our services. 【List of Equipment (Excerpt)】 ■ Stamping Machines - 2 units of 3.5ton JAM - 1 unit of 10ton Yamada Dobbie - 1 unit of 45ton Vibrating Machine (Taiwan) ■ Molding Machines - 1 unit of 60ton Horizontal Injection Molding Machine (Haitian) - 2 units of 40ton Vertical Injection Molding Machine (Nissei Plastic) - 3 units of 30ton Vertical Rotary Injection Molding Machine (Nissei Plastic) *For more details, please refer to the PDF document or feel free to contact us.

  • Processing Contract

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Technology for improving adhesion between metal and resin

By improving adhesion, air won't leak! Technical booklet available now!

This document contains information on "Technologies for Improving Adhesion between Metal and Resin." In insert molded products, the interface between metal and resin is not well adhered, leading to issues such as water ingress due to high-pressure washing and condensation in the vehicle's engine compartment. Therefore, our company is conducting evaluation tests with the goal of preventing air leakage by improving the adhesion between metal and resin. [Contents] ■ Concept of a double insert molding line ■ Evaluation tests of "Adhesion Improvement" technology ■ Pursuit of "Adhesion Improvement" technology ■ Towards the establishment of "Adhesion Improvement" technology ■ Investigating causes and extracting issues towards "Establishment" *For more details, please refer to the PDF document or feel free to contact us.

  • Coupling

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Development proposal at the design stage.

With the motto 'To be of service!' we will solve the designers' problems.

Fuji Seiko Co., Ltd. stands on the customer's side, understanding product functions and conducting proposal-based sales from the development stage. We provide a consistent process from design to prototyping to mass production, offering rationalization proposals with an eye on final mass production. If we receive drawings at the conceptual stage, we can consider the feasibility of the product and provide technical proposals, which is one of our strengths. Our company manufactures press molds, performs press processing, and conducts molding processing in-house. Utilizing our press technology, we offer proposals that find benefits in quality, cost, and delivery through a continuous insert hoop molding line. 【Development Proposal Examples】 ■ Want to integrate multiple components ■ Want to convert machined parts to pressed parts ■ Want to apply spring processing on both sides of molded parts ■ Want to embed terminal cut surfaces within molded parts ⇒ Solving designers' concerns ⇒ Bold design changes incorporating VE/VA are possible! For more details, please refer to our catalog or feel free to contact us.

  • Processing Contract

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Processing technology "Precision Pressed Products"

Many achievements in fine functional components! Introduction to precision thin sheet spring processing and precision deep drawing processing technology.

The essence of precision pressing lies in our ability to simultaneously achieve many advantages at a high level, such as "high precision stability of quality," "outstanding productivity," and "high economic efficiency." This is the foundational technology of Fujiseiko. We provide a one-stop solution for micro parts that involve multiple processes such as punching, bending, drawing, and riveting, all within a progressive die. We embody various required shapes with high precision in the sub-micron order. 【Precision Pressed Products】 ■ Main product thickness: from ultra-thin items of t=0.03mm to thicker items of t=0.80mm ■ Main product sizes: from ultra-small items of 1mm square to larger items of approximately 100mm square ■ Processing speed: from low speed of 60 strokes/min to high speed of 800 strokes/min For more details, please refer to our catalog or feel free to contact us.

  • Processing Contract

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Processing technology "Precision Insert Molding Products"

Composite processing that can be done because we are a press shop! Introduction to precision insert molding processing technology.

The precision insert molding processing of Fujii Seiko Co., Ltd. allows for fusion processing within the line. This enables complex processing such as the incorporation of dissimilar metal materials, tie bar cutting, and intricate bending after molding to be completed "completely unmanned" in-line. Additionally, the voltage withstand tests, which are essential for automotive connector components, are guaranteed for all units automatically in-line. 【Processing Examples】 ■ Leaf spring processing on both sides of molded products ■ Cutting of connecting terminals within molded products ■ Completely embedding the cut surface of metal terminals within resin to protect against corrosion ■ Insert molding of dual-layer terminals - No need for terminal holders or cut holes ■ U-shaped terminals can be molded in layers of 2, 3, or more using a hoop - Mechanization of manual work (unmanned production) For more details, please refer to the catalog or feel free to contact us.

  • Processing Contract

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Processing technology "Hoop Continuous Insert Molding"

Introduction to machining technology that allows complex processing to be completed entirely unmanned and inline.

"Continuous Hoop Insert Molding" is a high-precision advanced technology developed by Fuji Seiko Co., Ltd., which completes the entire process inline from metal material → primary molding → cutting/bending → secondary molding → product cutting, and even inspection. By utilizing double hoop molding, it is possible to arbitrarily combine different colors/types of resins, enabling unmanned production of multi-color and multi-resin molding that has never been possible before. [Comparison with Conventional Production Methods] ■ Conventional Method: "Manual labor" carries the risk of terminal arrangement errors. ⇒ Our Method: Arrangement errors "0" → Quality improvement ■ Conventional Method: "Robots" require specialized equipment, leading to high initial investment. ⇒ Our Method: Can be handled with general-purpose equipment → Reduced initial investment For more details, please refer to the catalog or feel free to contact us.

  • Processing Contract

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Fuji Seiko Co., Ltd. "Composite Molding Processing Technology"

Providing new value through cost-performance-focused "integrated" component manufacturing!

The mission of Fujiseiko Co., Ltd. is to maximize the potential of our foundational technology, precision press processing, and to provide new value that fulfills our customers' desired shapes, functions, and costs in precision parts. We continue to tackle challenging themes using our wisdom and ingenuity to embody our customers' envisioned outcomes. With our "composite molding processing technology," we achieve significant reductions in lead time and zero defects through our unique inline technology, contributing to cost reduction. We specialize particularly in extremely small items around 1mm square to palm-sized parts around 50mm square. Please feel free to share any "issues you are facing" regarding cost or quality. We will pursue solutions through various approaches. [Fujiseiko's Strengths] ■ Precision insert molding technology for [metal + metal] and [metal + resin molding] ■ Expertise in items from [approximately 1mm square] to [approximately 50mm square] ■ Turning images into reality - Implementing bold proposals for customer issues and improvement requests ■ A seamless system from [prototype] to [mass production] For more details, please refer to our catalog or feel free to contact us.

  • Processing Contract

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Precision Pressing, Composite Molding, Mold Comprehensive Catalog [Free Gift Available]

Free distribution of the comprehensive catalog for precision pressing, composite molding, and molds.

The excellent technology of Fujiseiko, which continuously creates products that symbolize the next generation, not only satisfies customer needs but also aims for an even higher level.

  • Processing Contract

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