大東鉄工 List of Products and Services

Our company provides a one-stop service for "machining of mechanical parts," covering everything from material procurement to processing, manufacturing, inspection, and quality assurance. We pursue a wide variety of products, small lot sizes, and short delivery times, with the capability to respond in as little as one week from material procurement to finishing. We are committed to quality assurance and can provide material test certificates upon request. Please feel free to consult us as your "last-minute temple for parts manufacturing." 【Features】 ■ Direct procurement of high-quality materials from major special steel trading companies ■ Capable of hot forging, ring forging, and die forging through partner companies ■ Conducting ultrasonic measurements, magnetic particle inspection, and color checks according to needs ■ Measurement of mechanical properties using test pieces and stress measurement through external outsourcing are also possible ★ We are currently offering examples of production and material test certificates (for reference)! Please check the download button for more details. Feel free to contact us as well.

• Processing Contract
• Contract manufacturing

We would like to introduce examples of processing for "Cam Holders" that we have handled. A "cam" is a mechanical element that is attached to a rotating shaft and can change the direction of motion of machine parts, while a "holder" is a fitting that holds and secures machinery. A device that holds and secures a shaft is called a shaft holder, and one that holds and secures a bearing is called a bearing holder. 【Processing Examples】 ■Details: Various cam holders/shafts, etc. ■Materials - Various carbon steels, alloy steels, stainless steel, cast materials - Capable of high-frequency hardening, carburizing, nitriding, etc. ■Track Record: General machinery, etc. *For more details, please refer to the related link page or feel free to contact us.

• Contract manufacturing
• Other machine elements
• Processing Contract

Here are some examples of the processing cases we have handled for "worm gears." A "worm gear" consists of a screw-shaped cylinder called a worm (screw gear) and an engaging helical gear. The shape of the worm in a worm gear can be cylindrical or drum-shaped. Utilizing various features, worm gears are widely used in applications such as speed regulators for music boxes, fine adjustment devices for telescopes and microscopes, and safety mechanisms for elevator winding devices that take advantage of self-locking. 【Processing Cases】 ■ Details: Various worm wheels/worm screws ■ Materials - Various carbon steels, alloy steels, stainless steels - Module: Up to 12 - Capable of high-frequency hardening/carburizing/nitriding, etc. ■ Achievements: General machinery/conveying machinery, etc. *For more details, please refer to the related link page or feel free to contact us.

• Contract manufacturing
• Other machine elements
• Processing Contract

Here are some examples of processing cases for the "Conveyor Sprocket" that our company has handled. It is one of the main components used in conveyors (machines that can transport items such as luggage, parts, and materials continuously in one direction at a constant speed). By wrapping the conveyor chain around the conveyor sprocket and rotating the conveyor sprocket, the conveyor chain is moved, transporting items in one direction at a constant speed. 【Processing Cases】 ■ Details: Various (large/small) conveyor sprockets ■ Materials - Various carbon steels, alloy steels, stainless steels, welded products - Maximum gear: All MC specifications (approximately φ800 outer diameter) - Capable of high-frequency hardening, carburizing, nitriding, etc. ■ Achievements: General machinery, etc. *For more details, please refer to the related link page or feel free to contact us.

• Contract manufacturing
• Other machine elements
• Processing Contract

Here are examples of processing cases for the "RS Sprocket" that our company has handled. The "RS Sprocket" is a gear-like component with teeth on the outer circumference of a disc or cylindrical shape. It is widely used in various applications such as power transmission in bicycles and motorcycles. We have experience with general machinery and more. 【Processing Cases】 ■Details: Various types (large/small) of RS Sprockets ■Materials - Various carbon steels, alloy steels, and stainless steels - Maximum RS80 (hob machine specification)/RS240 (MC specification) - Capable of high-frequency hardening/nitriding, etc. ■Track Record: General machinery and more *For more details, please refer to the related link page or feel free to contact us.

• Contract manufacturing
• Other machine elements
• Processing Contract

Here are some examples of processing cases for "rack gears" that we have handled. "Rack gears" are gears with teeth cut into flat plates or rods, which can be combined with a small gear called a pinion to convert rotational motion into linear motion, or vice versa, converting linear motion into rotational motion. Rack and pinion systems, which combine rack gears and pinions, are used in various industrial fields such as printing machinery, industrial machinery, conveyor systems, machine tools, and transport machinery. [Processing Examples] ■ Details: Various types (round/rectangular) rack gears ■ Materials - Various carbon steels, alloy steels, stainless steels - Module: Up to 12 - Capable of high-frequency hardening, carburizing, nitriding, etc. ■ Achievements: General machinery, etc. *For more details, please refer to the related link page or feel free to contact us.

• Contract manufacturing
• Other machine elements
• Processing Contract

Here we introduce examples of processing for "segment gears" that we have handled. A "segment gear" is a type of gear that resembles a portion cut out from a round gear, with teeth that do not extend around the entire circumference. It is used when transmitting reciprocating motion in conjunction with other gears. We have a proven track record in general machinery and other applications. 【Processing Examples】 ■ Details: Various (large/small) segment gears ■ Materials - Various carbon steels, alloy steels, stainless steels - Module: up to 12 - Capable of high-frequency hardening, carburizing, nitriding, etc. ■ Achievements: General machinery and others *For more details, please refer to the related link page or feel free to contact us.

• Contract manufacturing
• Other machine elements
• Processing Contract

Here are some examples of processing cases for "spur gears and helical gears" that we have handled. The materials include various types of carbon steel, alloy steel, and stainless steel. We can accommodate high-frequency hardening, carburizing, nitriding, and more. We have a proven track record in general machinery and transportation machinery. 【Processing Examples】 ■ Details: Various (large/small) external gears/internal gears ■ Materials - Various carbon steel, alloy steel, stainless steel - Module: up to 12 - Capable of high-frequency hardening, carburizing, nitriding, etc. ■ Achievements: General machinery/transportation machinery, etc. *For more details, please refer to the related link page or feel free to contact us.

• Contract manufacturing
• Other machine elements
• Processing Contract

We would like to introduce our product achievements in "printing machine mechanical component parts." In printing machines, even a slight deviation in precision can have a significant impact on the printing results. Our company manufactures products with a precision of 0.001 millimeters (1μ) and can provide precision guarantees. 【Features】 ■ Products manufactured with a precision of 0.001 millimeters (1μ) ■ Ability to provide precision guarantees *For more details, please refer to the related link page or feel free to contact us.

• Contract manufacturing
• Other machine elements

We would like to introduce our product achievements in "industrial machinery components." Industrial machines such as NC processing machines and robots require precision in complex movements. Our company can provide accurate products without distortion, even for thin materials, in a variety of types, small lots, and with short delivery times. 【Features】 ■ Providing accurate products without distortion, even for thin materials ■ Capable of handling a variety of types, small lots, and short delivery times *For more details, please refer to the related links page or feel free to contact us.

• Contract manufacturing
• Other machine elements

We would like to introduce our product achievements in "Construction Machinery Components and Parts." Construction machinery such as hydraulic excavators, bulldozers, and rough terrain cranes (crane trucks) are operated by people and are responsible for various tasks through their operation. Therefore, safety is essential, and functionalities tailored to specific applications and operating environments are also required. Our company offers consultation from the design stage and has processing machines and technology capable of various types of machining, allowing for a one-stop, consistent production of custom-made products. 【Features】 ■ Consultation from the design stage is possible ■ Capable of various types of machining ■ Equipped with processing machines and technology ■ Consistent production of custom-made products in a one-stop manner *For more details, please refer to the related link page or feel free to contact us.

• Contract manufacturing
• Other machine elements

We would like to introduce our product achievements in "infrastructure-related mechanical components." In businesses that support infrastructure, such as railways including the Shinkansen and various power plants, strength is required to ensure continuous and safe operation without interruption. Our company conducts integrated production from material to processing and assembly, allowing us to guarantee the internal strength of the materials, which has earned us the support of many customers. 【Features】 ■ Integrated production from material to processing and assembly ■ Ability to guarantee the internal strength of the materials ■ Supported by many customers *For more details, please refer to the related link page or feel free to contact us.

• Contract manufacturing
• Other machine elements

Our company offers a "one-stop" transaction that allows for direct interaction with customers, and we have established a "consistent production system" from material procurement to inspection. Thanks to this system, we can manufacture mechanical component parts in a variety of types, small lots, and short delivery times, meeting the needs of many customers. There are things that only our company can do, having successfully handled difficult processing for products that require internal strength guarantees, products that need precision for complex movements, and high-precision products that require accuracy guarantees. 【Features】 ■ Responding to various needs through a one-stop, consistent production system ■ Overall guarantees for delivery times and quality ■ A technical team available for consultation from the design stage *For more details, please refer to the related link page or feel free to contact us.

• Contract manufacturing

Our company consistently handles everything from materials to products, taking responsibility for your orders and providing a one-stop service. We manufacture materials, forging, cutting, grinding, welding, and assembly in an integrated manner. Please feel free to contact us with your requests. 【Various Materials and Forged Products】 Overview: Various materials (ring forging / die forging / cutting) etc. Material: S45C (forged specification products) Rolling mill forging / die forging / cutting Track Record: Various machine parts materials, etc. *For more details, please contact us. *Please download the sample test report in PDF format.

• Other machine elements
• Processing Contract

Our company consistently handles everything from materials to products, taking responsibility for your orders and providing a one-stop service. We manufacture through a consistent process of material preparation, forging, cutting, grinding, welding, and assembly. 【Achievements in Various Free Forged Parts】 Overview: Various flanges, valves, sprockets, and gear materials Materials: Various carbon steels, alloy steels, and stainless steels Forging Ratio: We can accommodate Ultrasonic Measurement: We can accommodate Tensile Testing: We can accommodate Achievements: Parts for plants / Parts for transportation equipment, etc. *For more details, please contact us. *Please download the sample test report in PDF format.

• Other machine elements
• Processing Contract

Our company consistently handles everything from materials to products and takes responsibility for your orders, providing a one-stop service. We offer integrated manufacturing for materials, forging, cutting, grinding, welding, and assembly. We also have a wealth of processing examples for spur/helical gears, segment gears, rack gears, and more. Please feel free to contact us if you have any requests. 【Business Content】 ■ Sales of various steel materials, forging, various cutting, grinding processing, can manufacturing and welding, and various simple assembly ■ Development of information devices, circuit board production, embedded systems, IT, and software development *For more details, please download the PDF (processing examples) or contact us.

• Processing Contract
• Other machine elements