We are a comprehensive manufacturing company that offers precision machining for single items, as well as processing for small to medium lots, design and production of jigs and dedicated machines, and support for prototype development.
033【Our Technical Capabilities】2025/07/17 This time, we would like to introduce our original chucking fixture, which was conceptualized, designed, and manufactured in-house to improve processing efficiency and workability when we undertook the mass production machining of bronze cast products. This fixture is characterized by its structure that allows simultaneous processing of two workpieces using a two-axis parallel drill, emphasizing machining efficiency. Therefore, even if there is a thickness variation of up to 1.5mm between the two workpieces (the white and blue plates in the photo), it is designed to ensure that they are chucked evenly and securely with four claws. Additionally, a single tightening lever can open and close all four claws simultaneously, making the workpiece loading and unloading process very efficient. A video demonstrating the operation of this fixture is available on YouTube. Please take a look at the actual movement. ▶ [Watch the video here https://www.youtube.com/watch?v=k4ivsqcKDpc ] ▶ [Also, please visit our website https://www.nitto-mfg.com/ ]
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basic information
The key point of this fixture is that it can process two workpieces at once using a two-axis parallel drill, focusing on machining efficiency. To achieve this, it is necessary to securely and evenly chuck the two workpieces, even if there is a thickness variation of up to 1.5 mm between them (in the photo, the workpieces are represented by a white plate and a blue plate) using four claws.
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Company information
Nitto Kousakusho Co., Ltd. (Osaka), founded in 1965, has a long history as a "designer and manufacturer of jigs and dedicated machines," specializing in "precision machining of mechanical parts for single items, small lots, and medium lots." Utilizing the unique know-how developed through the creation of jigs and dedicated machines, we flexibly respond to prototypes and single-item processing. We are equipped with a variety of machines, from general-purpose milling machines and lathes to MC and NC lathes, as well as grinding machines, allowing us to handle a diverse range of materials including iron, cast iron, aluminum, stainless steel, and copper. We also accommodate consultations from the conceptual stage and provide a one-stop service from ideas (concepts) to design, manufacturing, finishing, and delivery. Additionally, we are actively engaged in next-generation technologies, including the manufacturing and sales of our uniquely designed small Wankel-type rotary engine (NR series) and the development of hydrogen and multi-fuel compatible rotary engines. If you have any concerns regarding machining, please feel free to consult with us at Nitto Kousakusho Co., Ltd. (Osaka).
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