From design to assembly, comprehensive manufacturing! Battery components from Okita Manufacturing.
Attention those struggling with battery components! Please feel free to consult us about anything related to battery parts, including cases and lid assemblies.
Our company primarily manufactures battery components, including welding cases, sealing plate assemblies, and peripheral parts. We can comprehensively handle the production and assembly of various components associated with sealing plates, as well as perform airtightness testing. Additionally, we can provide consistent support from the design to the manufacturing of battery cases and lid assemblies. Ohkita Seisakusho, with over 40 years of experience in the manufacturing and sales of specialized battery components for aerospace applications, is here to assist you in realizing your battery development ideas. Furthermore, Ohkita Seisakusho also offers insulated electrodeposition coating. If you have concerns about needing insulation for battery components but find it difficult to apply insulating tape or film due to complex shapes, please feel free to consult us! We will propose and support you from component design and prototyping to insulated coating prototype trials. 【Manufacturing Achievements】 Cases (Aluminum, SUS, Titanium), sealing plates, current collectors, terminals, bus bars, silver chloride plates, safety valve processing, rivet fastening.
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basic information
Introducing the technology of Okita Manufacturing Co., Ltd., which specializes in high-precision machining of parts and mold making [aluminum, copper, stainless steel, etc.]. 【Main Technologies】 ■Machining ⇒ We accommodate high-precision mass production and small-lot production of various types using machining centers. ■Water Jet Cutting ⇒ We can cut a variety of materials, not limited to metal materials like SUS and aluminum, but also glass, rubber, and plastic, achieving high material yield even with expensive materials. ■Manufacturing of Silver Chloride Plates ⇒ We handle everything from dissolving and rolling silver chloride to shape punching and cutting processing. ■Manufacturing of Welded Aluminum and SUS Cases ⇒ We combine laser, TIG, and spot welding with precision pressing technology. ■Sales and Processing of Silver Leaf ⇒ We stock 15-micron silver leaf and sell it in cut pieces according to customer requests. ■Press Processing ⇒ We accommodate both small-lot production of various types and mass production. We also handle special processing. ■Assembly Processing such as Riveting ⇒ We perform assembly processing such as riveting in a semi-clean room equipped with air showers and air filters.
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Applications/Examples of results
The metal cases manufactured by our company are used for lithium-ion battery cases and have been adopted in artificial satellites, deep-sea research vessels, and prototypes of electric vehicles. *Obtained JIS Q 9100 certification (Shimamoto Factory, manufacturing special battery components for commercial aircraft and space applications).*
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Company information
Our company specializes in welding thin plates and manufactures precision welded metal cases and lids. We have in-house processes for laser, TIG, and spot welding, press forming, riveting, machining, water jet cutting, insulation coating, rolling, and He leak testing, allowing us to produce various metal processed products, starting with battery components. We also handle numerous products in the EV and aerospace fields, which require high quality, and we manage traceability as needed. In September 2015, we obtained JIS Q 9100 (ISO 9001) certification (Shimamoto Factory / manufacturing of special battery components for civil aircraft and aerospace). Additionally, we consistently perform the entire process of dissolving and rolling silver chloride plates in-house until they are processed into sheet form.