石垣商店 List of Products and Services

We would like to introduce the "Top 3 Specialties" of Ishigaki Shoten Co., Ltd. Originally a wholesaler of copper and brass sheets, we source directly from primary wholesalers, eliminating unnecessary markup on material costs. Additionally, we can bend materials at various angles and accommodate various types of plating, including tin plating, nickel plating, and silver plating. 【Specialties】 ■ Procurement routes from our copper sheet wholesale days are still active ■ Capable of bending at various angles ■ Able to handle tin plating, nickel plating, silver plating, and more *For more details, please refer to the related links or feel free to contact us.

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We will introduce the quality symbols for copper and copper alloys. Metals possess various properties based on their components and compositions, but by changing the metal structure through heat treatment and processing, they can acquire even more diverse mechanical properties. For example, the alphabet at the end of a copper alloy designation, such as C1100-H, indicates the properties it possesses due to tempering. *For more details, please feel free to contact us.*

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■Reasons for Plating Copper We are a company with craftsmen who know everything about copper processing, so if you have any questions, please feel free to contact us. *For more details, please feel free to inquire.

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I will introduce the difficulties and interesting aspects of welding copper to copper using copper. 【Welding Methods】 ■ Increase the current value for welding ■ Preheat before welding ■ Remove dirt and impurities from the welding area *For more details, please feel free to contact us.

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We would like to introduce examples of solutions and proposals when "troubles occur at the customer's site" that our company has implemented. *For more details, please refer to the related links or feel free to contact us.*

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We would like to introduce a case of "emergency response using material stock" that we conducted. *For more details, please refer to the related links or feel free to contact us.*

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We would like to introduce examples of solutions and proposals when "troubles occurred at the customer's site."

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This article explains the basics of busbars, their specific applications, and points to consider during processing. - What is a busbar? - Specific applications of busbars - Key points in processing *For more details, please refer to the PDF document or feel free to contact us.*

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■What is a busbar? Basic functions and their importance ■Materials used for busbars and their characteristics ■Manufacturing processes and methods for busbars Busbars play a crucial role in distribution boards, electric vehicles, and battery systems. Depending on their materials and processing methods, they provide high efficiency and reliability. *For more details, please refer to the PDF document or feel free to contact us.*

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Copper busbars have high conductivity and workability, making them active in a wide range of fields such as distribution boards, control panels, and electric vehicles. Proper manufacturing and maintenance are important to improve reliability and efficiency. - Features and advantages of copper busbars - Manufacturing methods of copper busbars - Applications and maintenance of copper busbars * For more details, please refer to the PDF document or feel free to contact us.

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This article will explain in detail the reasons for choosing the optimal drill angle of 118° in the processing of copper busbars and its technical advantages.

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This article explains the basic characteristics and applications of copper busbars. It also covers in detail the manufacturing methods and points to consider when placing an order.

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This article explains the bending processing techniques of copper busbars, including the characteristics and limitations of V-bending and L-bending. It also introduces points for selecting appropriate molds and improving processing accuracy.

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This article provides a detailed explanation of the characteristics and applications of the main materials used for copper busbars: tough pitch copper, oxygen-free copper, and aluminum.

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This article provides a detailed explanation of the characteristics and applications of two representative types of copper busbars: tough pitch copper busbars and oxygen-free copper busbars.

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This article explains the manufacturing process of copper busbars. It focuses on techniques such as drilling and flatwise and edgewise bending, highlighting key points and options.

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This article explains how to select copper busbars and provides examples of their use. It details their role in distribution boards and control panels, as well as the characteristics that enable efficient power supply.

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This article explains the types of heat treatment for copper busbars and their processing techniques. It provides a detailed explanation of the differences in strength due to heat treatment and key points in processing based on domestic JIS standards.

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■Basic Functions and Importance of Copper Busbars ■Manufacturing Process and Materials Used for Copper Busbars ■Maintenance and Durability Improvement Points for Copper Busbars Copper busbars are utilized as distribution components that combine high conductivity and durability across a wide range of applications. By properly executing the manufacturing process and maintenance, efficient and safe power distribution can be achieved. *For more details, please refer to the PDF document or feel free to contact us.*

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■What is a copper busbar? Its role and characteristics ■Material and processing dimensions of copper busbars ■Main applications and advantages of copper busbars Copper busbars are essential components that enable efficient power distribution in distribution boards and control panels. Their high conductivity, processability, and ease of wiring work are widely supported. *For more details, please refer to the PDF document or feel free to contact us.*

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This article explains the role and characteristics of copper busbars. It discusses the efficiency of power supply in distribution boards and control panels, as well as the importance of busbar processing technology.

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This article provides a detailed explanation of the processing techniques for copper busbar plates, including cutting, bending, welding, and machining methods. It introduces tips for efficient processing, incorporating the latest technologies and points to be aware of.

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This article explains the reasons for the difficulty of welding copper busbars and the corresponding welding methods. It provides a detailed introduction to the advantages and examples of TIG welding, spot welding, brazing, and laser welding.

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This document presents a specialized guide on copper processing technology and the manufacturing and design of copper busbars. It comprehensively organizes information from the material properties of copper to processing methods, design standards for busbars, manufacturing processes, surface treatments, related standards, as well as application examples and market trends. Table of Contents 1. Overview 1.1 Importance of Copper and Copper Busbars 1.2 Key Points in Copper Processing and Busbar Manufacturing 2. Material Properties of Copper 2.1 Basic Properties of Copper 2.2 Types and Characteristics of Copper Alloys 2.3 Recyclability of Copper and Reduction of Environmental Impact 3. Copper Processing Technology 3.1 Overview of Processing Methods 3.2 Plastic Processing (Rolling, Drawing, Forging, Bending) 3.3 Cutting Processing (Turning, Milling, Drilling, etc.) 3.4 Casting (Sand Casting, Die Casting) 3.5 Powder Metallurgy 3.6 Latest Processing Technologies (Micro Machining, Laser Processing, 3D Printing, etc.) 3.7 Precautions and Countermeasures during Processing 4. Manufacturing and Design of Copper Busbars 4.1 Required Performance of Busbars 4.2 Design Process and Design Standards 4.3 Insulation Treatment and Plating Treatment Continued with other items.

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## Table of Contents 1. **General Overview: Basic Knowledge of Copper and Copper Alloys** 1.1 History and Characteristics of Copper 1.2 Types and Applications of Copper Alloys 1.3 Physical, Mechanical, Electrical, and Thermal Properties of Copper 1.4 Oxidation and Corrosion Characteristics of Copper 2. **Introduction to Copper Joining Technologies** 2.1 Differences Between Welding, Brazing, and Mechanical Joining 2.2 Unique Joining Challenges of Copper (High Thermal Conductivity, Susceptibility to Oxidation, Cracking, etc.) 2.3 Key Points for Selecting Joining Technologies 3. **Comprehensive Explanation of Copper Welding** 3.1 Overview and History of Copper Welding 3.2 Methods and Types of Copper Welding (TIG, MIG, Resistance Spot, Laser, Electron Beam, etc.) 3.3 Common Defects During Welding and Countermeasures (Blowholes, Cracking, Oxidation, etc.) And so on, continuing up to eight chapters.

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Table of Contents Chapter 1: Purpose and Overview of This Report Chapter 2: Basic Knowledge of Copper and Market Structure Chapter 3: Background of the Surge in Copper Prices Chapter 4: Long-term Price Trends of Copper and Comparisons from the Past Chapter 5: Basics of the Foreign Exchange Market and Its Impact on Copper Prices Chapter 6: International Trends in Copper Resources and Resource Nationalism Chapter 7: Current State of the Copper Industry and Corporate Trends Chapter 8: Demand Analysis by Application of Copper and Future Outlook Chapter 9: Current Status of Copper Recycling and Environmental Impact Chapter 10: Copper and Foreign Exchange Risk Management Chapter 11: Technological Innovations and the Potential for Alternative Materials Chapter 12: Future Outlook for the Copper Market Total word count: over 100,000 words. This is a comprehensive report.

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## Table of Contents Chapter 1: General Discussion: The Importance of Copper and Surface Treatment Chapter 2: Basics of Copper Plating and Surface Treatment Chapter 3: Types and Characteristics of Copper Plating Technologies Chapter 4: Purpose-Based Approaches to Plating and Surface Treatment for Copper and Copper Alloys Chapter 5: Latest Trends in Plating Technologies for Copper Foil and Printed Circuit Boards Chapter 6: Initiatives for Environmentally Friendly Copper Plating Chapter 7: Specific Application Examples of Copper Plating Chapter 8: Plating Troubles and Quality Control Chapter 9: Future Challenges and Directions for Technological Development Chapter 10: Conclusion: The New Value and Sustainability Created by Copper Plating Technology

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Our factory boasts industry-leading expertise and quality in the manufacturing of copper bars (busbars) for transformers, switchgear, and control panels in the power distribution industry. Our products, which are "specialized in copper," are essential for the efficient and safe supply of electricity. 【Our Strengths】 - Custom-made products tailored to customer requirements. - Use of high-quality copper materials, ensuring the reliability of electrical equipment. - Proven track record of supplying major manufacturers. - Offering suitable materials with thicknesses ranging from 3mm to 20mm. 【Message to Our Customers】 The stability and efficiency of power infrastructure support the quality of our lives and the growth of industries. We contribute to the overall development of society through reliable copper bar products. With a commitment to technological innovation and quality, we strongly support our customers in building their power supply systems.

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As a specialist in copper products, we provide various copper products essential to the power distribution and transmission equipment industry. Our products can meet a wide range of needs, from connection plates to busbars, earth bars, main bars, branch bars, and custom bending products. 1) Connection Plates: Used for connections in industrial batteries, power supply devices, and cubicles, customizable according to size, thickness, and connection method. 2) Earth Bars: Essential for power connections to distribution boards and control panels, as well as ensuring safety, capable of precise tapping and hole processing. 3) Main Bars and Branch Bars: Used as bridging bars in distribution boards, flexible in accommodating small lot production that is difficult with ready-made products. 4) Special Bending Products: Even when complex shapes or special bending processes are required, we provide high-quality and cost-effective products through our uniquely developed bender. 5) Plated Products: We have established a consistent production system up to plating in close cooperation with local partner companies. 6) Connection Rods (Bolts, Studs): Production of processed products using copper rods for transformers. 7) Connection Plates (Copper Strips): Production of processed products using copper strips for transformers. For difficult requests or projects that have been declined by other companies, please feel free to contact us.

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Ishigaki Shoten Co., Ltd. is an expert in copper bar (bus bar) processing that supports our customers' challenges. We realize various copper bar processing, from the smallest parts to large power receiving equipment. ■Features■ 【Industry Expertise】 Specialized in product parts for power industry receiving equipment and storage facilities! 【Copper Material Procurement】 Strong relationships with manufacturers and wholesalers, leveraging our background as a wholesaler to procure high-purity copper! 【Custom Orders】 Capable of handling special shapes through general-purpose machining by skilled artisans! 【High Quality & Precision】 Providing high-quality products born from advanced technology through the manufacturing of industrial battery and power supply components! ■Track Record■ 【Strong Trust from Listed Companies】 Boasting numerous transaction records, our latest copper processing technology is highly regarded. ■Strengths■ 【Experience in Large Product Deliveries】 Rich experience in manufacturing large items requiring precision processing, such as large power receiving equipment. 【Cost and Speed】 Adjusting the balance of delivery time, cost, and precision according to customer needs, achieving cost optimization while preventing excessive quality. 【Integrated Production】 Comprehensive response from procurement to processing, plating, and quality control through integrated production. *For more details, please refer to the downloadable materials.

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"Challenges in Copper Welding: Precisely Because of Its High Thermal Conductivity" "Techniques for Welding Copper: Choosing the Right Method" "Key Points for Successful Copper Welding" *For more details, please refer to the PDF document or feel free to contact us.*

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The processing of copper round bars requires precise machining technology, particularly focusing on the use of 5-axis machining centers and NC lathes. In screw machining, there are two types: rolling and cutting, each with its own advantages, but some methods may take longer. Additionally, strict quality control is implemented, and only products that pass inspections using ring gauges are shipped. This ensures the high quality of copper products. 'Precision Processing of Copper Round Bars: Selection of Technology and Its Importance' 'Technology of Copper Bar Screw Machining: Differences Between Rolling and Cutting' 'Quality Control in Copper Bar Screw Machining: Importance of Inspection' *For more details, please refer to the PDF document or feel free to contact us.

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■Price trends of copper busbars and the value of Ishigaki Shoten ■Cost reduction in copper processing at Ishigaki Shoten ■Reasons to choose Ishigaki Shoten for copper processing outsourcing *For more details, please refer to the PDF materials or feel free to contact us.*

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"Why don't birds get electrocuted on power lines? The secret of transmission lines" "The nature of electricity: Why are birds safe on power lines?" "Innovations in power line installation and consideration for humans" *For more details, please refer to the PDF document or feel free to contact us.*

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To accurately calculate the price of copper busbars, it is necessary to multiply the weight by the market price. Additionally, to enhance cost efficiency, weight adjustments and collaboration with reliable material suppliers like Ishigaki Shoten are key. Choosing the right partners directly impacts the reduction of manufacturing costs and the improvement of product quality. Methods for calculating the price of copper busbars Purchasing and cost efficiency of copper busbars Choosing partners for copper busbar processing *For more details, please refer to the PDF document or feel free to contact us.

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Our company specializes in copper component processing. Please feel free to consult us when you need our services. [Contents] ■ Basic role of insulators ■ Types and characteristics of insulators ■ Manufacturing process of insulators *For more details, please refer to the PDF document or feel free to contact us.

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This document explains the differences between Tough Pitch Copper (C1100) and Oxygen-Free Copper (C1020). It provides detailed information on the overview of Tough Pitch Copper (C1100), the characteristics of Oxygen-Free Copper (C1020), and a comparison between Tough Pitch Copper and Oxygen-Free Copper. Our company specializes in the processing of copper components. Please feel free to consult us when you need assistance. [Contents] ■ Overview of Tough Pitch Copper (C1100) ■ Characteristics of Oxygen-Free Copper (C1020) ■ Comparison of Tough Pitch Copper and Oxygen-Free Copper *For more details, please refer to the PDF document or feel free to contact us.

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This document provides an overview of Chile, a major copper-producing country that accounted for 28% of global copper ore production in 2019. Please take a moment to read it. [Contents] ■ The global importance of Chile's copper industry ■ The existence and characteristics of porphyry copper deposits ■ Chile's role in copper exports *For more details, please refer to the PDF document or feel free to contact us.

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This document explains the differences between chrome copper and beryllium copper. If you have any issues related to copper processing, please feel free to contact us. We also provide information on other copper products such as tough pitch copper and oxygen-free copper. [Contents] ■ Excellent properties of chrome copper: high heat resistance and strength ■ Beryllium copper: a copper alloy with multifunctionality ■ Our company has over 60 years of experience in copper processing *For more details, please refer to the PDF document or feel free to contact us.

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This document explains the differences between tough pitch copper (C1100) and chromium copper. It details the features of tough pitch copper (C1100), which combines high conductivity and workability, as well as the strengths of chromium copper, which boasts high heat resistance and high hardness. For inquiries or estimates regarding copper processing, please feel free to contact us. [Contents] ■ Features of Tough Pitch Copper (C1100): High conductivity and workability ■ Strengths of Chromium Copper: High heat resistance and high hardness ■ 60 years of experience: Professionals in copper processing *For more details, please refer to the PDF document or feel free to contact us.

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This document explains the differences between nickel plating and chrome plating. It also provides guidance on appropriate selection methods, so please take a moment to read it. 【Contents】 ■ Diverse characteristics and applications of nickel plating ■ Chrome plating: Balancing durability and aesthetics ■ Appropriate selection methods for nickel plating and chrome plating *For more details, please refer to the PDF document or feel free to contact us.

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Our company specializes in copper component processing. Please feel free to consult us when you need our services. 【Contents】 ■ Basics of copper busbars ■ Features and benefits of copper busbars ■ Applications and uses of copper busbars *For more details, please refer to the PDF document or feel free to contact us.

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This document explains the surface treatment technology of copper and brass using acid washing, known as "Kirin treatment." It provides detailed information on the benefits, applications, and uses of Kirin treatment. Our company specializes in the processing of copper parts. Please feel free to consult us when needed. [Contents] ■ What is Kirin treatment ■ Benefits of Kirin treatment ■ Applications and uses of Kirin treatment *For more details, please refer to the PDF document or feel free to contact us.

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This document explains the effects of nickel plating on copper. It details the characteristics of "copper with nickel plating," which effectively suppresses corrosion and enhances the durability of products. For inquiries or estimates regarding the processing of copper products, please feel free to contact us. [Contents] ■ Enhancing the durability and beauty of copper products with nickel plating ■ Nickel-plated copper products with heat resistance and corrosion resistance ■ Our high-quality nickel plating copper processing technology *For more details, please refer to the PDF document or feel free to contact us.

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This document explains the causes of discoloration in tin plating. Our company specializes in copper component processing. Please feel free to consult us when you need our services. 【Contents】 ■ Main causes and their countermeasures ■ Management of neutralizers and maintenance of tin plating quality ■ General tips for preventing discoloration of tin plating *For more details, please refer to the PDF document or feel free to contact us.

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