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  6. Technical Data: Ishigaki Store's Copper Processing Technology: Bringing Innovation to the Electrical Equipment Industry

Technical Data: Ishigaki Store's Copper Processing Technology: Bringing Innovation to the Electrical Equipment Industry

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last updated:Feb 18, 2026

石垣商店
石垣商店
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Ishigaki Shop's Copper Processing Technology: Bringing Innovation to the Electrical Equipment Industry

- "Copper processing technology and its application in the industry" - "Surface accuracy and scratch management" - "Over 60 years of achievements and trust" *For more details, please refer to the PDF document or feel free to contact us.

    Transformers
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Technical Data: Ishigaki Store's Copper Processing Technology: Bringing Innovation to the Electrical Equipment Industry

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basic information

Choosing the optimal material and size when selecting copper bars significantly impacts product performance, cost, and delivery time. Below is a guide on how to choose the material and basic dimensions of copper bars. Material: C1100: Has high electrical conductivity and is generally suitable for electrical applications. C1020: Combines excellent thermal conductivity and workability, making it suitable for specific applications. Size (Cross-sectional area: Height × Width): Width: 12mm, 15mm, 20mm, 25mm, 30mm, 40mm, 50mm, 75mm, 100mm, 150mm, 200mm Height: 3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm, 15mm, 20mm The cross-sectional area of the copper bar conforms to these basic dimensions, allowing for various combinations. When making a selection, please consider the following points: Material cost: Choosing standard sizes can lead to cost reductions. Delivery time: Selecting standard products can ensure quick arrangements and shorter delivery times.

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Applications/Examples of results

High voltage distribution and receiving equipment - Large, medium, and small transformers - Control panels, receiving panels - Switchgear - Cubicles

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Ishigaki Shop's Copper Processing Technology: Bringing Innovation to the Electrical Equipment Industry

Ishigaki Shop's Copper Processing Technology: Bringing Innovation to the Electrical Equipment Industry

TECHNICAL
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70 years of trust and achievements as a specialized copper processing company!

70 years of trust and achievements as a specialized copper processing company!

COMPANY
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Four secrets to being chosen as a specialist in copper processing!

Four secrets to being chosen as a specialist in copper processing!

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What is the difference between a bus bar and a ground bar?

What is the difference between a bus bar and a ground bar?

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Reasons for Plating Copper

Reasons for Plating Copper

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[Data] [JIS] Quality designation symbols for copper and copper alloys

[Data] [JIS] Quality designation symbols for copper and copper alloys

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News about this product(1)

The participation in the JECAFAIR 2026 Electrical Industry Exhibition has been confirmed.

  • Company news

We have decided to exhibit at "JECAFAIR 2026 Electric Construction Industry Exhibition," which will be held at Tokyo Big Sight from May 27 (Wednesday) to May 29 (Friday). We will be exhibiting right at the entrance of booth number 1-54 in Hall 1 East. On the final day, our on-site workers, who process 150 tons of copper busbars annually, will share insights about the characteristics of copper, the challenges of processing, and information that only those on-site would know during the exhibitor seminar! For more details, please visit the official website! We sincerely look forward to your visit!

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石垣商店

石垣商店

Industrial Electrical Equipment

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We have been providing copper components to transformer and control panel manufacturers, delivering energy through copper and ensuring safety and security for society. As a result of walking alongside our customers throughout this process, we have become a "copper specialty processing company"! When our customers are truly in need, we respond as quickly as the same day, embodying the spirit of mutual support! ■ Overwhelming inventory ■ Craftsmanship that allows for the fastest processing and youthful, energetic power ■ Strong network with local plating partner companies We can perform various processing methods such as machining, pressing, welding, and brazing. Since we have established a production system for a wide variety of small quantities, ■ Small lots ■ Various sizes ■ Complex shapes can also be handled quickly. We aim to be a company that delivers energy to everyone through copper, and we look forward to your continued support.

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