山清工業 List of Products and Services

Our company handles the "Automatic Shutter Closure Device" that automatically closes shutters during a fire. Chemicals (grease, Loctite) in the product are applied accurately before shipping. Please feel free to contact us if you have any requests. 【Usage】 ■ Automatically closes shutters during a fire * For more details, please refer to the related links or feel free to contact us.

• others

Our company handles "cables for civil engineering, ships, and trains." Remote control cables that can reliably transmit bidirectional motion. Additionally, we also deal with components used in general industrial hydraulic hoses and home appliances. Please feel free to contact us if you have any requests. 【Applications】 ■ Open and close cables used in civil engineering, ships, and trains. *For more details, please refer to the related links or feel free to contact us.

• cable

Our company handles the "Welded Cover Parts for Fuel Tanks," which are oil tank covers and piping components for forklifts. We specialize in processes such as press processing to punch the outer shape of the plate, pipe holes, and mounting holes; screw processing to create threads at the pipe ends using a rolling machine; bead processing to flare the pipe ends using an end processing machine; and robotic welding, which automatically welds the pipes and plates using a robotic hand. Additionally, we offer a leak guarantee for all products through a submerged air leak test. 【Processing Technologies】 ■ Press Processing ■ Screw Processing ■ Bead Processing ■ Robotic Welding *For more details, please refer to the related links or feel free to contact us.

• Piping Materials

The "piping for outdoor units of air conditioning systems" is an engine component used as a power source for air conditioning systems utilizing gas heat pumps. Guaranteed leak-free for all units through air leak testing. The piping has been processed with a 31.8 diameter, and after temporary attachment using TIG welding, brass brazing and oxygen-free copper brazing for unions were performed. 【Features】 ■ 31.8 diameter piping processing ■ Brass brazing and oxygen-free copper brazing for unions after temporary attachment using TIG welding ■ Quality assurance: Guaranteed leak-free for all units through air leak testing *For more details, please refer to the PDF document or feel free to contact us.

• Piping Materials

This product is a housing for an electric motor used in a vacuum dry pump, which has undergone bending processing and TIG welding of plates using specialized machinery. All units are shipped with dimensional accuracy verification and inspection data attached, conducted using a 3D measuring machine. In the casting process of SUS pipes, positioning accuracy is required to ensure that the pipe does not get damaged during internal cutting. 【Features】 ■ Casting of loop-shaped SUS pipes ■ Positioning accuracy is required during casting to prevent damage to the pipe during internal cutting ■ Processing of the inner and side surfaces of the housing ■ Bending processing and TIG welding of plates using specialized machinery ■ Quality assurance: All units are shipped with dimensional accuracy verification and inspection data attached using a 3D measuring machine *For more details, please refer to the PDF materials or feel free to contact us.

• Piping Materials

The "Vacuum Dry Pump SUS Piping" is a component used for the air piping of vacuum dry pumps. The end section is a sealing part, so it is cut to avoid deformation and scratches. It can accommodate various shapes. 【Features】 ■ Outer diameters φ9.52, φ6.35 ■ Cut to avoid deformation and scratches since the end section is a sealing part ■ Accommodates various shapes *For more details, please refer to the PDF materials or feel free to contact us.

• Piping Materials

"General Industrial Hydraulic Piping and Fittings" refers to hydraulic piping used in industrial machinery, civil engineering, and construction machinery. Yokohama Rubber assembles hoses in-house. The types handled include all general industrial hoses provided by the company. We have a production system in place for same-day delivery, and we also handle various types and sizes of fittings. [Features] - Hoses are assembled in-house by Yokohama Rubber - The types handled include all general industrial hoses provided by Yokohama Rubber (from low pressure to high pressure, small diameter to large diameter, various fitting shapes) - Production system for same-day delivery - Various types and sizes of fittings are also handled *For more details, please refer to the PDF document or feel free to contact us.

• Piping Materials
• Pipe Fittings

This product is a cable for operating electronic door locks. Thorough measures against incorrect products have been implemented through process design, identification management, and inspection systems for similar shapes and part numbers. Using an automatic machine, the long casing was cut to the specified length, and both ends were deburred, with indentation processing performed to prevent the inserts from falling out. 【Features】 - The long casing was cut to the specified length using an automatic machine, and both ends were deburred, with indentation processing performed to prevent the inserts from falling out. - Insert molding was performed on one side at a time. - Quality assurance - Thorough measures against incorrect products have been implemented through process design, identification management, and inspection systems for similar shapes and part numbers. *For more details, please refer to the PDF document or feel free to contact us.

• cable

The "insert resin molded parts for transmission systems" are components that transmit the movement of the shift lever to the transmission. They are produced on an automated production line that combines a vertical 100t electric injection molding machine with insert and product removal robots. 【Features】 ■ Insert molding using a vertical 100t electric injection molding machine ■ Production format - An automated production line that combines a vertical 100t electric injection molding machine with insert and product removal robots *For more details, please refer to the PDF document or feel free to contact us.

• Other Auto Parts

The "SOFC home fuel cell" is a heat exchange component of the fuel cell unit in a home cogeneration system. The sealant is applied to the fastening parts of the heat exchange component and the exhaust duct component, controlling the application range, amount, and width. The overflow of the sealant on the inner surface is checked in full by a CCD camera. 【Features】 ■ The sealant is applied to the fastening parts of the heat exchange component and the exhaust duct component, controlling the application range, amount, and width. ■ Quality Assurance - Management of residuals with samples of the sealant application state - Full inspection of the overflow of the sealant on the inner surface by a CCD camera - Full inspection of the sealing performance of the fastening parts *For more details, please refer to the PDF document or feel free to contact us.

• Fuel Cells
• Heat exchanger

The "Piping for Engine Control System" is a piping component used in the lubrication circuit of the idle stop system. After assembling the flange, union, and pipe, a deoxidized copper brazing process is performed. By using a ring for crimping, the crimping width can be reduced, making it suitable for use at relatively low pressures. 【Features】 ■ The use of a ring for crimping allows for a smaller crimping width. ■ Suitable for use at relatively low pressures. ■ End processing and bending processing (manual bending jig). ■ After assembling the flange, union, and pipe, a deoxidized copper brazing process is performed (with a right angle tolerance of 0.1 for the flange and union). ■ Quality assurance: All units are guaranteed against leaks through pressure testing. *For more details, please refer to the PDF document or feel free to contact us.

• Piping Materials

This product is a low-pressure tank used in the air suspension system formed by deep drawing of brackets. Leakage guarantee through testing of all units. The union part connecting to the piping has been machined, and the bracket, cup, and union have been joined to the pipe by MIG welding. 【Features】 ■ Bracket formation through deep drawing ■ Machining of the union part connecting to the piping ■ Joining by projection welding ■ Joining of the bracket, cup, and union to the pipe by MIG welding ■ Quality assurance: Leakage guarantee through testing of all units *For more details, please refer to the PDF document or feel free to contact us.

• tank

This product is piping used in a system that controls suspension hydraulically, and it has undergone leakage testing with a pressure test machine for all units. It allows for foreign matter management at NAS grade (standard: grade 9) and guarantees leakage through differential pressure leak testing at the suspension fastening points. Bending processing is performed after assembling unions or nuts at the ends. 【Features】 ■ The joint between the fittings and the hose is crimped through plastic processing of a metal socket. ■ Forging and machining of the union part. ■ Welding of the pipe and union using copper brazing. ■ Bending processing is performed after assembling unions or nuts at the ends. *For more details, please refer to the PDF document or feel free to contact us.

• Piping Materials

This product is an air piping component used in air suspension systems. Thanks to nylon tube molding technology, it features a three-dimensional complex bending shape. It is designed in-house using 3D CAD. Process guarantees against leaks (foreign matter management, leak testing, and component precision management) have been established, and since the start of deliveries in 1980, we proudly maintain a "0" market complaint record. 【Features】 ■ Three-dimensional complex bending shape (up to 3m long) ■ Stable shape molding using ultrasonic processing machines ■ In-house design using 3D CAD ■ Quality assurance: "0" market complaints since the start of deliveries in 1980 *For more details, please refer to the PDF document or feel free to contact us.

• Piping Materials

The "hydraulic piping for height adjustment systems" is a piping component used in systems that adjust vehicle height using hydraulic pressure. Quality is guaranteed through foreign matter management at NAS grade. It features brazing at the joint between the union and the pipe, as well as machining at the union part that connects to the suspension. 【Features】 ■ Brazing at the joint between the union and the pipe ■ Machining at the union part that connects to the suspension ■ The joint between the fitting and the hose is secured by plastic deformation of a metal socket *For more details, please refer to the PDF document or feel free to contact us.

• Piping Materials

This product is a piping component for the exhaust gas recirculation (EGR) system. SUS pipes and SUS plates are joined by TIG welding. A leak test was conducted on all units through air leak testing, and tensile strength and sensitization state checks were performed for each welding lot. 【Features】 ■ 1D thin-walled bending processing of SUS pipes ■ Expansion of SUS pipes using a 2-punch process ■ Joining of SUS pipes and SUS plates by TIG welding ■ Quality assurance - Comprehensive leak testing through air leak tests - Tensile strength and sensitization state checks conducted for each welding lot *For more details, please refer to the PDF document or feel free to contact us.

• Piping Materials

The "copper brazed piping for the intake and exhaust system" is a bracket component that collects vaporized gasoline in the tank and sends it to the engine, while attaching the intake and exhaust system parts. It has been processed with φ4, φ6.35, and φ8 pipes, and after temporary attachment through spot welding, it underwent deoxidized copper brazing welding. We guarantee quality through a complete leak guarantee via air leak testing and a complete flow rate inspection. 【Features】 ■ Processing of φ4, φ6.35, and φ8 pipes ■ Deoxidized copper brazing welding after temporary attachment via spot welding ■ Quality guarantee 　・ Complete leak guarantee via air leak testing 　・ Complete flow rate inspection *For more details, please refer to the PDF document or feel free to contact us.

• Piping Materials

The "Piping for Hydraulic Drive Cooling Fan System" is used for a system that drives a cooling fan with a hydraulic motor. Leak tests are conducted using a pressure testing machine for all units. The hose is processed by crimping it to a metal socket through plastic deformation, and the union is welded to the pipe using copper brazing. 【Features】 ■ Hose crimped to a metal socket through plastic deformation ■ Union welded to the pipe using copper brazing ■ Quality assurance: Leak tests conducted using a pressure testing machine for all units *For more details, please refer to the PDF document or feel free to contact us.

• Piping Materials

The "insert resin molded parts for electric power steering systems" are components that detect the steering angle of the electric power steering. Magnetic property sampling measurements were conducted. Processing and cutting of components that connect with counterpart parts were performed using a progressive press machine, and insert molding was carried out using a vertical 40t injection molding machine. 【Features】 ■ Processed using a progressive press machine ■ Cutting of components that connect with counterpart parts ■ Insert molding using a vertical 40t injection molding machine ■ Quality assurance: Magnetic property sampling measurements *For more details, please refer to the PDF document or feel free to contact us.

• Other measurement, recording and measuring instruments

This product is an oil tank used in resin power steering systems, which has undergone leak testing using a differential pressure leak tester for all units. Ultrasonic welding and heat plate welding have been implemented. Molding processing was performed using hydraulic molding machines of 100t, 150t, and 280t. 【Features】 ■ Ultrasonic welding, heat plate welding ■ Molding processing using hydraulic molding machines of 100t, 150t, and 280t ■ Quality assurance: Leak testing using a differential pressure leak tester for all units *For more details, please refer to the PDF document or feel free to contact us.

• tank

This product is an oil tank used in power steering systems, guaranteed for leaks through 100% leak testing. It features cup forming through deep drawing and joining by crimping. After temporarily attaching pipes and brackets to the tank using spot welding, it underwent oxygen-free copper brazing welding processing. 【Features】 ■ Cup forming through deep drawing ■ Temporary attachment of pipes and brackets to the tank using spot welding, followed by oxygen-free copper brazing welding processing ■ Joining by crimping ■ Quality assurance: leak guarantee through 100% leak testing *For more details, please refer to the PDF document or feel free to contact us.

• tank

This product is a low-pressure piping used in hydraulic power steering systems, guaranteed for all vehicle mounting shapes through shape inspection tools. Plastic processing suitable for various types of hoses is implemented. Bending processing with controlled flatness and, after assembling the union and pipe, a deoxidized copper brazing welding process is applied. 【Features】 ■ Plastic processing suitable for various types of hoses ■ Bending processing with controlled flatness ■ Deoxidized copper brazing welding process after assembling the union and pipe ■ Quality assurance: Guaranteed for all vehicle mounting shapes through shape inspection tools *For more details, please refer to the PDF document or feel free to contact us.

• Piping Materials

This product is a high-pressure piping used in hydraulic power steering systems, which has undergone leak testing using a pressure testing machine for all units. The hose is processed by crimping it to a metal socket through plastic deformation, and end processing and bending are performed using a CNC pipe bender. A bracket has been welded to the pipe using silver brazing. 【Features】 - Hose crimped to a metal socket through plastic deformation - End processing and bending performed using a CNC pipe bender - After temporary attachment of the union and bracket by spot welding, it undergoes oxygen-free copper brazing welding - Bracket welded to the pipe using silver brazing - Quality assurance: Leak testing conducted using a pressure testing machine for all units *For more details, please refer to the PDF document or feel free to contact us.

• Piping Materials

We provide safety parts for automobiles. We handle "pipe processed parts for seat belt systems with pretensioners" used in mechanisms that retract seat belts during collisions, as well as "pipe processed parts for curtain airbag systems" that deliver air to inflate airbags on the passenger side during collisions. Please feel free to contact us if you have any requests. 【Product Lineup】 ■ Pipe processed parts for seat belt systems with pretensioners ■ Pipe processed parts for curtain airbag systems *For more details, please feel free to contact us.

• Other Auto Parts