下西技研工業 List of Products and Services

The vapor chamber is an air-cooling component developed to meet cooling application needs in small spaces, more effectively than heat sinks. It rapidly moves and diffuses heat in response to localized heat input. It is mainly used in high-spec environments where space-saving and high performance are required. 【Features】 ■ Uniform temperature distribution across the surface ■ Possibility of thin and large designs ■ Enables heat dissipation even in tight spaces by sandwiching the vapor chamber between heat-generating components *For more details, please refer to the PDF document or feel free to contact us.

• Other machine elements
• Other physicochemical equipment

Micro heat pipes are air-cooling components developed to meet cooling needs in small spaces, compared to aluminum and copper heat pipes. They transport heat by placing a working fluid inside a metal tube and utilizing the latent heat of vaporization and condensation of the liquid. They enable the transport of a large amount of heat from the heat source to the heat transfer destination with a small temperature difference. Like other heat pipes, they are easy to shape and are widely used in small precision equipment enclosures. 【Features】 ■ Can be directly mounted on the heat source and enclosure ■ Lightweight and can be installed over a wide area ■ Flat and thin design allows for reduced mounting area and enclosure size *For more details, please refer to the PDF document or feel free to contact us.

• Other machine elements
• Other physicochemical equipment

The "copper heat pipe" is a super thermal conduction element that transports heat by utilizing the latent heat of evaporation and condensation of a working fluid contained within a metal tube. It enables the transport of a large amount of heat from the heat source to the heat sink with a small temperature difference. Additionally, heat pipes are easy to shape and can be assembled with various heat sinks according to the required performance, allowing for a wide range of thermal design components to be provided. They are used for cooling OA equipment, electronic devices, and communication devices, and they address heat dissipation and temperature equalization across a wide range of product fields. 【Features】 ■ Usable in operating environments from 5 to 200°C ■ Easy to bend and flatten according to the available installation space ■ A wide variety of standard outer diameters and lengths ■ Can be implemented in internal sections such as pipes, allowing for uniform temperature distribution in the thrust direction *For more details, please refer to the PDF document or feel free to contact us.

• Other machine elements
• Other physicochemical equipment

This product is a magnetic holder for securing measuring instruments such as vibration meters and accelerometers. Due to the nature of the measuring instruments, it is necessary to completely isolate the electrical circuit from the measured object. By using an insulating spacer between the holder and the measuring instrument adapter, it prevents the backflow of electrical energy. Additionally, it is essential to install it in firm contact either vertically or horizontally with the measured object. The suction surface ensures level stability, and since it uses a compact and powerful magnet, you can use it with confidence. 【Features】 ■ It is used by attaching it to the adapter of the measuring instrument. ■ By applying insulation treatment, it prevents the backflow of electrical energy from the measured object. ■ It guarantees suction power and level stability. *For more details, please refer to the PDF document or feel free to contact us.

• Other machine elements
• Other measurement, recording and measuring instruments

This is a sensor that integrates a switch function that responds to opening and closing with a magnetic force retention function for doors and lids. By using a very small push-type detection switch, we have achieved compactness. With the detection signal associated with the opening and closing operation, it is possible to automatically turn on and off lighting fixtures inside cabinets or furniture, or to automatically sound a buzzer. 【Features】 - Built-in push switch in the conventional catch structure - Equipped with both the opening/closing switch and door lock functions - Small mounting area, ideal for compact equipment - Guaranteed for 100,000 opening and closing cycles - Contact operation available in two types: NC (Normally Closed) and NO (Normally Open) - Can be screwed in from two directions: horizontal and vertical *For more details, please refer to the PDF document or feel free to contact us.

• Sensors
• switch
• Other machine elements

This is a magnetic sensor composed of a reed switch, magnet, and yoke, integrating a switch function that responds to opening and closing, along with a holding function for doors and lids using magnetic force. By controlling an advanced magnetic circuit, it performs ON/OFF operations of electrical contacts, providing signals corresponding to the opening and closing of doors and lids. Unlike contact-type mechanical switches, the switch part does not suffer from wear-related failures and excels in durability, safety, and reliability. 【Features】 ■ The switch is ON/OFF controlled by internal magnetic control ■ Equipped with both door locking and opening/closing switch functions ■ Compact design with a small mounting area, ideal for compact equipment ■ High reliability due to the use of a reed switch in the electrical contact section ■ Guaranteed for 100,000 openings and closings ■ Contact operation available in two types: NC (Normally Closed) and NO (Normally Open) ■ Flat adsorption surface ■ Large contact capacity expands circuit configuration options ■ Can be screwed from two directions: horizontal and vertical *For more details, please refer to the PDF document or feel free to contact us.

• Sensors
• switch
• Other machine elements

This is a high-density sheet highly filled with tungsten powder in a thermoplastic elastomer. It has excellent shielding capabilities against X-rays and gamma rays. Despite its high density, it is flexible and has excellent processability, making it applicable for various uses. 【Features】 ■ High Density: Has a specific gravity equal to or greater than that of iron (specific gravity 11.75), providing high radiation shielding capability. ■ Flexibility: Excellent flexibility, easy to process with scissors or cutters. ■ Long Length Availability: Can be provided in long lengths, allowing for cost reduction in processing.

• Other polymer materials
• Other machine elements

This product is a sensor that captures minute vibrations and the movements of changing objects. It detects double feeding and other displacements necessary for electrical devices that transport sheet-like objects one by one, such as printers, scanners, multifunction devices, and printing machines, while reading data. It is a high-response displacement sensor capable of detecting minute displacements of less than 0.1mm, allowing for double feeding detection from thin paper used in timetables of less than 50μm to thick paper of 150μm. It is a contact type sensor with a measuring element that displaces according to the thickness of the passing object. This behavior is captured as an electrical signal, which is processed to determine the displacement. This is a new type of sensor that solves the challenges of conventional ultrasonic sensors and others, enabling various applications. 【Features】 - It can detect even when in close contact with the object. - Ideal for work detection in the flow of thin workpieces. - No position adjustment is required after installation of the product. - Space-saving due to its single package design. - It is a displacement sensor of the concentrated magnetic field variation type, making it resistant to dust and less prone to failure.

• Sensors
• Other machine elements

This anisotropic ferrite rubber magnet (magnet sheet), which is made by mixing a binder with ferrite magnetic powder and arranging the magnetization direction uniformly, is characterized by its reasonable price compared to neodymium rubber magnets. Anisotropic ferrite rubber magnets (magnet sheets) have a stronger adhesion than isotropic ones and are used in a wide range of applications from industrial to general merchandise. Many beginner driver stickers and warning stickers commonly used on lockers and iron doors also utilize this ferrite rubber magnet. In addition to adhesion applications, due to its convenience of being easily cut, it is often used as masking material during spray painting on metal surfaces.

• Rubber
• magnet
• Other machine elements

Neodymium-based magnetic powder is mixed with a binder and shaped through calendar rolling. It has the strongest magnetic properties among rubber magnets, with approximately four times the adhesive force compared to regular magnetic sheets. It can be easily processed through cutting, punching, and drilling, making it useful for miniaturization design of components in motors, audio equipment, OA equipment, and magnetic sensors.

• Rubber
• magnet
• Other machine elements

This product is a tilt hinge that suppresses operational movement and prevents sudden impacts. It is a free-stop hinge that allows for holding the opening and closing body at any angle. As the rotation speed of the hinge increases, the hinge torque rises, providing a simple damper effect (approximately 20% increase in torque within the range of manual operation). 【Features】 ■ Greaseless hinge ■ Free-stop hinge that allows for holding the opening and closing body at any angle ■ As the rotation speed of the hinge increases, the hinge torque rises, providing a simple damper effect ■ Uses special washers instead of conventional metal washers in the sliding parts with the bracket *This product is made to order. Please contact us for more details.

• others
• Other machine elements

This product is a tilt hinge that rotates smoothly within a certain range of motion with a constant torque. It can stop at any angle with full-range free stop, and the operation is smooth due to the balance of the center of gravity of the opening and closing objects. The range of motion rotates smoothly with a constant torque, and it features a compact design with a maximum shaft diameter of 10φ. 【Features】 ■ Can stop at any angle with full-range free stop ■ Smooth operation due to the balance of the center of gravity of the opening and closing objects ■ Smooth rotation within a certain range of motion with constant torque ■ Compact design with a maximum shaft diameter of 10φ *For more details, please refer to the PDF document or feel free to contact us.

• others
• Other machine elements

This product is a tilt hinge that has fewer components, allowing for cost reduction. It enables free stop at any angle, balancing with the lid moment. By adopting a wave washer, the number of washers can be reduced, achieving space-saving. You can choose from three types according to the required torque. 【Features】 ■ Free stop hinge that can hold the opening and closing body at any angle ■ Smooth operation due to balance with the center of gravity of the opening and closing object ■ Smooth rotation within the operating range with a constant torque ■ Space-saving possible by reducing the number of washers with the adoption of a wave washer ■ Available in three types to match the required torque *For more details, please refer to the PDF document or feel free to contact us.

• others
• Other machine elements

This product is a tilt hinge that has a small number of parts and allows for space-saving design. It is a free-stop hinge that can hold the opening and closing body at any angle. By using a multi-layer structure for the sliding surface that generates torque, it can also produce high torque with a small diameter. The torque value can be customized according to the required torque. It can be used for medical equipment arms and FA devices. 【Features】 ■ It allows for full-range free stop (stopping at any angle) by balancing with the lid moment. ■ Smooth operation due to the balance of the center of gravity of the opening and closing object. ■ Smooth rotation within the operating range with a constant torque. *For more details, please refer to the PDF document or feel free to contact us.

• others
• Other machine elements

This product is a compact and high-performance curl-wound hinge that provides different torque in the open and closed directions. It allows for free-stop operation throughout the entire range, enabling the holding of the opening and closing body at any angle. By reducing the number of components (only the shaft and mounting parts), cost reduction can be achieved, and usage methods that take advantage of the torque differences based on the opening and closing direction can be considered. 【Features】 ■ Free-stop operation throughout the entire range allows for holding the opening and closing body at any angle ■ Cost reduction achieved through the reduction of components ■ Compatible with standard specifications focused on cost as well as new designs focused on functionality *For more details, please refer to the PDF materials or feel free to contact us.

• others
• Other machine elements

This product is a high-torque hinge compatible with lift-up and free-stop functions. Custom options with stopper function and grounding plate are also available, and it supports lift-up. All plastic parts are made of engineering plastics, and the standard color is chrome white, but custom options are also available. It can be used for paper to books and can accommodate thicknesses from 0 to 50mm. 【Features】 ■ Custom options are available ■ Lift-up support (30mm) ■ Custom options with stopper function and grounding plate are also available ■ All plastic parts are made of engineering plastics (RoHS compliant: black) *This product is made to order. Please contact us for more details.

• others
• Other machine elements

This product is a lightweight torque hinge with a compact design that integrates resin. It is suitable for copiers without an ADF (automatic document feeder) mechanism, as well as multifunction devices that combine the functions of scanners and printers. The lid can be opened and closed freely within a range of 30 to 60 degrees and can automatically stop, and due to its compact design, it is possible to match the hinge color to the lid color. 【Features】 ■ Integrated resin compact design ■ Lid can be opened and closed freely within a range of 30 to 60 degrees with automatic stop ■ Hinge color can be matched to the lid color ■ Made of resin material, which reduces component costs compared to high-torque hinges, allowing for reduced manufacturing costs *This product is made to order. Please contact us for more details.

• others
• Other machine elements

This product is a magnetic latch that increases the freedom of furniture design. It is a push-type latch that allows you to easily open the door by simply pushing it. With the attachment of an adapter, installation and distance adjustment from the door can be done with one touch. Additionally, there is also a double push-type magnetic latch available. Both can be used for doors of bathroom vanities and kitchen storage shelves. 【Features】 ■ Easily opens by simply pushing the door ■ Small size with maximum holding power (1kg for M11 size) ■ Customizable colors, stroke, holding power, and screw positions for the mounting adapter ■ Installation and distance adjustment from the door can be done with one touch when the adapter is attached *For more details, please refer to the PDF document or feel free to contact us.

• Other machine elements
• others

This product is a latch for push locks and push opens of doors used in home appliances and audio equipment, allowing one-touch operation. It features a one-touch design that does not require handles or knobs; simply press lightly with your fingertip to open the door, and it closes with a light push, securely catching and holding the door with the arm. It is a type that does not use magnets. We offer two types without magnets: "M" and "S." 【Features】 ■ Type that does not use magnets ■ One-touch operation without the need for handles or knobs ■ Opens with a light fingertip press and closes with a light push ■ The arm securely catches and holds the door's receiving part *For more details, please refer to the PDF document or feel free to contact us.

• Other machine elements
• others

A "heat pipe" is a cooling pipe that utilizes the latent heat of evaporation and condensation of a small amount of working fluid sealed inside the pipe, allowing for the transport of a large amount of heat even with a small temperature difference. The vapor flow inside the pipe moves at speeds close to the speed of sound. It is suitable for various applications, including cooling semiconductor devices and dissipating heat from hot molds. 【Features】 - Utilizes the latent heat of evaporation and condensation of a small amount of working fluid sealed inside the pipe - Capable of transporting a large amount of heat even with a small temperature difference - Vapor flow inside the pipe moves at speeds close to the speed of sound - Ideal for cooling semiconductor devices - Capable of dissipating heat from hot molds *For more details, please refer to the catalog or feel free to contact us.

• Other Machine Parts
• OEM
• Cooling Equipment

This product is a drive device that uses electricity to convert energy into translational and rotational motion. It is a magnetically movable linear actuator that combines magnets and coils. It is designed and fully custom-made according to the application. It achieves high-speed motion, rapid response, and significant thrust with low power consumption, performing linear reciprocating motion. Due to its ability to switch current, it can perform reciprocating motion, making it applicable to various uses. 【Features】 - Linear type with linear reciprocating motion - Achieves high-speed motion, rapid response, and significant thrust with low power consumption - Designed and fully custom-made according to the application - Capable of high-speed operation of over 100Hz depending on conditions - Thrust proportional to the current value *For more details, please refer to the PDF materials or feel free to contact us.

• Actuator
• Other electronic parts

The "electromagnetic wave absorber" is a high-performance material effective for noise reduction and electromagnetic interference countermeasures in digital devices and all electronic devices that generate electromagnetic waves. It can handle wideband noise and features a thin and shatter-resistant design. Additionally, it is easy to process and is optimal for the removal of wideband high frequencies. Please feel free to consult us first. 【Features】 ■ Noise reduction effectiveness for electronic devices ■ Electromagnetic interference countermeasure effectiveness for electronic devices ■ Capability to handle wideband noise ■ Thin and shatter-resistant ■ Easy to process *For more details, please refer to the catalog or feel free to contact us.

• Other films and sheets

The "aluminum heat pipe" is a super thermal conduction element that transports heat by utilizing the latent heat of evaporation and condensation of a working fluid contained within a metal tube. It enables the transport of a large amount of heat from the heat source to the heat sink with a small temperature difference. Additionally, heat pipes are easy to shape and can be assembled with various heat sinks according to the required performance, making them widely applicable as thermal design components. 【Features】 ■ Usable in operating environments from -40 to 125°C ■ Can be directly mounted on heat sources and enclosures ■ High installation flexibility with capabilities for bending and drilling ■ Lightweight and can be installed over a wide range ■ Flat and thin design allows for reduced mounting area and enclosure size *For more details, please refer to the PDF materials or feel free to contact us.

• Other machine elements
• Other physicochemical equipment
• Temperature and Humidity Control

We offer various types of "heaters" that utilize surface heating elements with excellent thermal efficiency. From electric heaters as components to complete products including OEM, they can be used for various thermal management applications. Please feel free to consult us if you have any requests. 【Features】 ■ Excellent thermal efficiency ■ Uses surface heating elements ■ Usable for various thermal management applications *For more details, please refer to the catalog or feel free to contact us.

• Heater
• Other Machine Parts
• OEM

The "Static Eliminating Brush" has the thinnest conductive layer and excellent conductivity, making it a static elimination material with very low capacitance. It utilizes the static electricity energy of charged objects to be deionized. By causing corona discharge at a grounded needle electrode, ions are generated, allowing for static elimination. 【Features】 ■ Excellent flexibility and resilience ■ Resistant to bending or breaking ■ Stable static elimination effect ■ Excellent abrasion resistance ■ Self-discharging type, no power supply needed *For more details, please refer to the catalog or feel free to contact us.

• Sanitary Equipment
• Static electricity eliminator

The "Lightweight Hinge" is a hinge that allows for smooth opening and closing of relatively light pressure plates (covers) in industrial equipment. It is ideal for applications such as copiers and multifunction devices. Not only does it facilitate smooth opening and closing of the pressure plate, but it also allows the pressure plate to be secured at any angle. 【Features】 ■ Smooth opening and closing of the pressure plate ■ Ability to secure the pressure plate at any angle ■ Compatible with various thicknesses of documents ■ Automatic stop for cover opening and closing within a range of 30 to 60 degrees ■ Can be manufactured even if weight or left-right balance differs *For more details, please refer to the catalog or feel free to contact us.

• Other Machine Parts

The "Magnet Catch" is an ideal magnetic component for securing the front cover of copiers and the doors of cabinets. We offer a wide range of standard products, including "standard types that are installed with screws," "easy installation types that simply fit into holes," and "powerful types using neodymium magnets." Additionally, we can design and manufacture custom products tailored to your specific needs. Please feel free to consult with us. 【Features】 ■ Usable for a wide range of applications ■ A large lineup of standard products ■ Custom design and manufacturing available *For more details, please refer to the catalog or feel free to contact us.

• Other Machine Parts
• Other factory equipment and parts

Our "Tilt Hinge" is a hinge often used for lightweight opening and closing parts. It has numerous implementation achievements in laptops and small lightweight devices. It requires fewer assembly components and does not need high-precision processing or assembly techniques. There is an advantage in that it is easier to reduce costs compared to torque hinges. 【Features】 ■ Compatible with laptops and small lightweight devices ■ Ideal for lightweight opening and closing parts ■ Fewer assembly components ■ No need for high-precision processing or assembly techniques ■ Easier to achieve cost reduction *For more details, please refer to the catalog or feel free to contact us.

• Other Machine Parts

Dai-Nishi Giken Kogyo Co., Ltd. specializes in the development and design of special hinges, with a core focus on hinge design technology, and excels in the design of composite elements involving magnetism, heat, and electricity. We handle a wide range of high-dimensional and high-performance hinges utilizing precision mechanical technology, including "chilled hinges," "heavy hinges," and "lightweight hinges." We also accommodate various custom products. Please feel free to consult with us. 【Business Activities】 ■ Mechanisms and component parts for OA and FA ■ Hinge products ■ Magnetic products ■ Electromagnetic wave countermeasure products ■ Heat countermeasure products, etc. *For more details, please refer to our catalog or feel free to contact us.

• Other Machine Parts
• Heater

In thermal analysis simulation, an analysis model is actually created to (1) analyze the heat flow and distribution of the product, (2) conduct steady-state and transient analyses, and (3) analyze the heat flow inside and outside the enclosure. The ability to perform thermal analysis simulations is a prerequisite for efficient design. By accumulating analysis case studies, it becomes possible to achieve more space-efficient and effective heat control, contributing to shorter delivery times and cost reductions.

• Other machine elements

As an environmentally friendly material, "magnets" have recently gained significant attention. Among them, rare earth magnets (neodymium magnets and samarium-cobalt magnets) possess high-performance magnetic properties, making them suitable for use in transportation machinery such as superconducting linear motor cars, hybrid cars, and medical devices like MRI machines. Furthermore, in more familiar contexts, they are widely used in various household appliances, electronic devices, office automation equipment, and information communication devices. It is expected that as various advanced technologies develop, the range of applications will continue to expand.

• Other machine elements

Our company designs, manufactures, and sells hinges for a range of equipment, from FA (Factory Automation) devices to large OA (Office Automation) equipment and communication devices. We develop and produce small, lightweight hinges that excel in operability, catering to various industrial equipment. By integrating theoretical designs created by our technical designers with the practical data we have accumulated over time, we follow a process of [prototyping] → [testing] → [evaluation] → [modification] → [prototype completion] → [mass production] → [delivery] to provide high-quality products that satisfy and impress our customers. Additionally, adding functions that meet our customers' needs is one of our specialties.

• Other machine elements

The electromagnetic wave absorber "C-Isoab" is a composite magnetic sheet made of a binder such as rubber or resin and magnetic powder. We offer three series to provide optimal materials for various applications. ○FD: Magnetic powder is ferrite. General-purpose type ○SS: Magnetic powder is soft magnetic metal powder. High-performance type ○AEM: Magnetic powder includes carbonyl iron, ferrite, etc. 【Features】 1. Excellent electromagnetic wave absorption performance 2. Halogen-free specification 3. Highly flexible and easy to process 4. Standard long roll 5. UL94 V-O certified 6. Non-vulcanized specification that allows material recycling 7. Not subject to export trade control regulations* (excluding some products) *Please feel free to contact us.

• others

**Features** - NdFeB type (Neodymium, Iron, Boron) - SmFeN type (Samarium, Iron, Nitrogen) - High magnetic properties. - Compared to ferrite types, it has a high energy product, making it suitable for compact design of devices. - Flexible and has excellent mechanical strength. - High Br (residual magnetic flux density) and resistant to temperature changes. - High Hc (coercivity) with minimal magnetic force reduction even at high temperatures. - Excellent corrosion resistance and strong against rust. - Superior dimensional accuracy and cutting processing methods. - Can accommodate thin sheets with a product sheet thickness of 0.5mm (isotropic NdFeB rubber magnets can be made from 0.3mm). *Please feel free to contact us.*

• Rubber
• magnet