クロイ電機 List of Products and Services

We would like to introduce our "design capability" that revives Japanese tradition in modern times. According to your requests, we can propose suitable designs for product development as well as unique design suggestions. Among these, we offer a wide range of options, focusing on traditional Japanese products, from authentic and robust traditional Japanese designs with solid wooden construction to contemporary and modern Japanese styles. To convey the charm of our products even more clearly, we strive to provide suggestions that exceed customer expectations, creating attractive and beautiful forms with designs that consider usability and mass production. 【Features】 ■ Proposals for suitable designs for product development and unique design suggestions are available. ■ We handle a wide variety of materials, including metals, resins, various types of wood, and craft materials. ■ We can propose space-enhancing products that combine each material, offering new possibilities. *For more details, please refer to the related links or feel free to contact us.

• Contract manufacturing

We would like to introduce our "Quality Evaluation Technology" that confirms the safety and appropriateness of our products. We have introduced various quality evaluation equipment, including a "constant temperature chamber" that measures the temperature of components related to safety and product lifespan. For example, we have a "leakage current tester" that measures the leakage current of products, a "lightning surge tester" that investigates the effects of lightning surges on products, and a "vibration tester" that examines the impact of earthquakes and vibrations on products. Additionally, we have implemented a "distribution testing machine" that measures the light distribution of lighting fixtures and light sources, which is utilized in the development of new products. 【Quality Evaluation Equipment】 ■ Constant Temperature Chamber ■ Leakage Current Tester ■ Lightning Surge Tester ■ Vibration Tester ■ Distribution Testing Machine, etc. *For more details, please refer to the related links or feel free to contact us.

• Contract manufacturing

We would like to introduce our "Device Design Technology," which serves as the brain of our products. Utilizing technical elements such as switching power supply design, LED load control, system-linked communication technology, charge and discharge design for secondary batteries, and heat dissipation structure design, we design power blocks and dimming/color tuning blocks related to general lighting control, including LED lighting. Our company consistently develops devices through circuit design, software design, and PCB design, and by prototyping and mass-producing in our own factory, we achieve shortened development lead times and stable quality. 【Features】 - Design of power blocks and dimming/color tuning blocks related to general lighting control - Design of security devices using contactless cards with short-range wireless communication control technology - Achieving shortened development lead times and stable quality - Actively incorporating new technologies to further strengthen our technical capabilities *For more details, please refer to the related links or feel free to contact us.

• Embedded system design service

We would like to introduce our company's "Product Development Technology" that creates new products. Product development plays a leading role in collaboration with planning design and device development. We handle various materials such as metals, plastics, rubber, wood, and washi paper, and we create drawings using 3D CAD, utilizing that data for prototyping and various analyses. For example, in the strength design of structural materials, high strength, lightweight, and low cost are required simultaneously. Our company has accumulated technology for strength design using stress analysis software. [Features] - A system that integrates everything from planning and development to evaluation and mass production in-house. - Drawings are created using 3D CAD, and that data is utilized for prototyping and various analyses. - Safety designs such as load-bearing capacity, vibration resistance, and waterproofing are conducted. *For more details, please refer to the related links or feel free to contact us.

• Contract manufacturing

We would like to introduce the "Factory and Procurement Functions" that support our daily production. We are engaged in in-house production of parts while also receiving component supplies from numerous suppliers, with production locations varying by part. This includes not only within Japan but also many imports from overseas. The Kyotanba Factory has a vast site area of approximately 57,000 tsubo, including related companies, and utilizes this extensive land for a wide range of production activities, including receiving and processing parts, as well as product manufacturing and storage. [Features] ■ Receiving component supplies from numerous suppliers ■ Production locations vary by part ■ The Kyotanba Factory has a vast site area of approximately 57,000 tsubo, including related companies *For more details, please refer to the related links or feel free to contact us.

• Contract manufacturing

We would like to introduce our "Production Technology," which pursues high quality and rationality. In the development of new products, production engineers design the production process during the pre-production preparation stage, creating "assembly jigs" and "electrical testing machines" tailored to each product. Utilizing equipment for processing resin and metal, starting with cutting RP machines, we carry out most of the work in-house. 【Features】 ■ Production engineers design the production process during the pre-production preparation stage ■ Design of "assembly jigs" and "electrical testing machines" tailored to each product ■ Utilize equipment for processing resin and metal, with most work done in-house ■ Quickly realize the benefits of implementation by completing the entire process in-house ■ Contribute to shortening development lead times *For more details, please refer to the related links or feel free to contact us.

• Contract manufacturing

We would like to introduce the "Device Manufacturing Technology" that controls Kuroi Electric's products. Our company produces the brain of electronic blocks, such as power supply boards and control boards. With advanced chip mounters and axial & radial combination machines, we can mechanically mount mixed boards all at once. By performing moisture-proof insulation treatments and filling processes with materials like silicone, urethane, and Hayacoat, we can also achieve processing that withstands harsh environments, with a proven track record in various products, including outdoor products. 【Features】 ■ Capable of mechanically mounting mixed boards all at once ■ Processing that can withstand harsh environments is also possible ■ Proven track record in various products, including outdoor products *For more details, please refer to the related links or feel free to contact us.

• Contract manufacturing

We would like to introduce our "Assembly Technology" that supports our diverse range of products. Starting with the manufacturing of lighting fixtures, we engage in the production of a wide variety of products, including card-type electronic locks for hotels, electric delivery lockers weighing over 100 kg, and remote-controlled garage doors. To meet higher quality standards, we have introduced assembly tools such as drivers with counters and image recognition devices, and we are also working on technology development to assist operators, including measures to reduce human error, further strengthening our assembly technology. 【Product Range】 ■ Lighting fixtures ■ Card-type electronic locks for hotels ■ Electric delivery lockers weighing over 100 kg ■ Remote-controlled garage doors, etc. *For more details, please refer to the related links or feel free to contact us.

• Contract manufacturing

We would like to introduce our "surface treatment technology" that enhances our products. We perform electrostatic painting using polyester-based powder coatings that excel in weather resistance and adhesion. The painting method employs a tribo system, allowing for relatively uniform coating even on products with significant unevenness. We have a proven track record of painting various metal products, including SPCC, zinc-coated steel sheets, SUS sheets, aluminum sheets, and ADC12, and these products are widely used in both indoor and outdoor environments. 【Features】 - Electrostatic painting using polyester-based powder coatings with excellent weather resistance and adhesion - Relatively uniform coating possible on products with significant unevenness using the tribo method - Proven track record of painting various metal products - Hand spray painting for polycarbonate resin and wood - Capable of small lot production by leveraging the characteristics of hand spraying *For more details, please refer to the related links or feel free to contact us.

• Processing Contract

We would like to introduce our "Molding Processing Technology" that controls our light. We own injection molding machines with a maximum clamping force of 350 tons, capable of molding large covers and thick lenses up to approximately 450 square. When processing acrylic resin sheets into a square shape, the corners of the sheet can easily tear during processing. However, with the processing technology we have accumulated over many years, we are able to produce square covers with stable quality even from thin sheets. 【Features】 ■ We own injection molding machines with a maximum clamping force of 350 tons ■ Capable of molding large covers and thick lenses up to approximately 450 square ■ Larger covers can be molded with vacuum and pressure molding machines ■ Producing square covers with stable quality even from thin sheets *For more details, please refer to the related links or feel free to contact us.

• Processing Contract

We would like to introduce our "sheet metal processing technology" that balances strength and rationality. With high pressure and precise control from our 300-ton servo press, we can process difficult materials and complex-shaped parts with high precision and efficiency. For small lot sheet metal products, we utilize turret punching presses that accommodate sheet materials up to 2500mm wide and bending machines that can handle widths up to 2070mm, allowing us to respond to a variety of small lots. 【Features】 ■ Stable quality and efficient production ■ Incorporation of curling and hemming processes within robotic lines ■ Adoption of spot welding ■ Ability to select efficient production methods tailored to customer needs *For more details, please refer to the related links or feel free to contact us.

• Processing Contract

We would like to introduce our "wood processing technology" that utilizes the texture of our wood. Using various processing techniques such as complex cross-sectional shape cutting with a 6-axis molder, cutting, grooving, and three-dimensional cutting with an NC router machine, we can provide a diverse range of wooden products. Additionally, the processed wooden products can undergo various surface treatments such as lacquer coating, urethane coating, and wrap coating, allowing us to add higher added value. 【Features】 ■ Provides a variety of wooden products ■ Various surface treatments can be applied to add higher added value ■ Waste generated during processing is recycled in-house through briquetting *For more details, please refer to the related links or feel free to contact us.

• Processing Contract

Kuroi Electric Co., Ltd. is a company engaged in the planning, research, development, manufacturing, and sales of electronic application products. We possess a comprehensive capability to create everything from design to the final product, operating under an integrated system of development and manufacturing. In our new business division, we have product examples such as "electric garage doors / delivery boxes." We will continue to challenge ourselves to utilize the knowledge and technology cultivated in the fields of lighting fixtures and electronic devices to benefit our customers in new businesses. [Features] ■ Consolidation of manufacturing know-how through creativity and ingenuity *For more details, please refer to the PDF materials or feel free to contact us.

• others

Kuroi Electric Co., Ltd. is a company engaged in the planning, research, development, manufacturing, and sales of electronic application products. We possess a comprehensive capability to create final products from design to completion, operating under an integrated system of development and manufacturing. In the field of electronic device technology application products, we have examples such as the "Card Key Control Unit," which controls electric locks using magnetic cards and contactless IC cards, as well as solar light control units and other products. We contribute to the creation of a comfortable society with a sense of enrichment through electronic application technology. 【Features】 ■ Realizing a safe and secure space for relaxation ■ Proposing a comfortable lifestyle with consideration for the global environment ■ Not just energy-saving, but also creating enriching living scenes *For more details, please refer to the PDF materials or feel free to contact us.

• others