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  3. 三宝精機工業
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三宝精機工業

EstablishmentFebruary 1967
capital2000Ten thousand
number of employees48
addressKanagawa/Totsuka-ku, Yokohama-shi/405 Maioka Town
phone045-822-3561
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last updated:Jul 28, 2025
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Automation of deburring and chamfering operations will contribute to addressing the labor shortage issue!

Not only large factories but also small and medium-sized factories struggling with labor shortages should embrace automation through robots!

Due to a labor shortage in manufacturing sites, the introduction of automation through robots has become an urgent theme. Is it possible to automate processes such as deburring and chamfering, which have traditionally relied on manual labor, using robots, in addition to transportation and handling with robots? Our company has developed a deburring system using robots to address this challenge, aiming to improve efficiency in industrial settings and stabilize product quality, achieving numerous results. We provide appropriate proposals based on these achievements, so please feel free to consult with us. 【Features】 ■ High-level overhaul ■ Retrofit to increase productivity ■ Automation using industrial robots *For more details, please refer to the PDF materials or feel free to contact us.

  • Other industrial robots

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Sanpo Precision Machinery Co., Ltd. Company Profile

An expert in precision machine tools supported by over 60 years of achievements and customer trust!

Our company started as a group of experts with outstanding technology in machine tool maintenance, having received designation for after-sales service operations from Mitsubishi Heavy Industries, Ltd. Founded by a few engineers, the company has built over 60 years of history, growing to possess one of the largest scales and top-level technology in Japan by engaging in the maintenance of various types of machine tools around the world. We will continue to further our expertise and support the industrial sector. 【Business Activities】 ■ Overhaul ■ Retrofit ■ Robot Engineering ■ Other Services (Design and manufacturing of dedicated machines and jigs / On-site construction / Relocation work / Layout changes / Precision measurement) *For more details, please refer to the PDF document or feel free to contact us.

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Solved by automation with robots!

In an era where small and medium-sized factories are struggling with labor shortages, we provide suitable proposals based on numerous achievements.

Due to a shortage of manpower at manufacturing sites, the introduction of automation through robots has become an urgent theme. Not only for transportation and handling using robots, but we are also addressing the challenge of whether we can automate processes such as "deburring" and "chamfering," which have traditionally relied on human labor. To enhance efficiency in production sites and stabilize product quality, we have developed a deburring system using robots and have achieved numerous results. Based on these achievements, we offer suitable proposals, so please feel free to consult with us. [Please leave such questions to us] ■ Unsure what robots can do? ■ Will it be possible to operate it profitably? ■ Will we need dedicated staff to operate it? *For more details, please refer to the PDF materials or feel free to contact us.

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Behind the scenes of the overhaul

A wide range of experience and refined skills! Introducing the process of overhaul that maximizes your requests.

Our company specializes in overhauls, NC retrofits, and NC replacements of products from Fritz STUDER. We carefully listen to each customer's specific applications and requests, and our skilled technicians carry out the work to ensure reliable functionality and precision. We take full responsibility for the entire process, from testing and adjustments to installation. Additionally, we provide a one-year warranty for all products we overhaul, regardless of whether they are from domestic or international manufacturers, just like new purchases. 【Process until On-Site Installation (Excerpt)】 1. Current Situation Analysis 2. Planning, Specification Discussion, and Quotation 3. Delivery (Storage) 4. Disassembly 5. Cleaning 6. Parts Inspection and Disassembly Supervision *For more details, please refer to the PDF document or feel free to contact us.

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To all users of the precision lathe manufactured by Changyun Works.

All products come with a one-year warranty just like new purchases! Overhauled with manufacturer-certified technology.

We are pleased to officially take over the after-sales service for the precision lathes manufactured by Shouun Kousakusho from Kanzaki High-Precision Machinery Manufacturing Co., Ltd. We disassemble used Shouun lathes (including Shouun Kazunube lathes) down to the finest details, perform assembly adjustments, replace parts, modernize electrical systems, and conduct overhauls to reproduce the same precision and functionality as when they were new. You can acquire reliable Shouun lathes with a one-year warranty at a reasonable price. 【Features】 ■ Reproduces the same precision and functionality as when new ■ Available at a reasonable price ■ Follows the same manufacturing process as new production at Shouun Kousakusho ■ Capable of maintaining precision for a longer period than usual *For more details, please refer to the PDF document or feel free to contact us.

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Overhaul of precision lathe manufactured by Changyun Works.

Leave precision maintenance, longevity enhancement, and electrical system modernization to us! Achieve high productivity over the long term.

Our company fully inherits the technology of Sho-un Works, which is internationally highly regarded, and provides manufacturer-spec overhaul services. Maintenance operations have been officially transferred along with skilled technicians and genuine parts. We modernize electrical systems to achieve precision and functionality equivalent to when purchased. We help reduce running costs and extend lifespan. 【Value of Sho-un Works Precision Lathes】 ■ High precision maintained for a long time through special technology ■ Special assembly minimizes wear and distortion ■ Accurate repairs possible due to part compatibility ■ Adopts stricter precision standards than JIS regulations ■ Repairs possible on a modular basis *For more details, please refer to the PDF document or feel free to contact us.

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Useful and effective.

Piping is clear at a glance with colors and numbers! A pipe label that can accommodate 200 combinations.

The "Pipe Use Tag" can be easily attached with wire to pipes or hoses before removal by folding it by hand. Unlike conventional products, it connects in pairs of two, eliminating the need to search for numbers before work, thus saving time and effort. Made of durable and dirt-resistant plastic, it is strong against oils and fats, making it easier to handle compared to paper tags. 【Features】 ■ Cuts down on time and effort ■ Easy to install ■ Made of durable and dirt-resistant plastic ■ Strong against oils and fats, easy to handle ■ Supports 200 combinations *For more details, please refer to the PDF document or feel free to contact us.

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Sanpo Precision Machinery Co., Ltd. Company Profile

Revive familiar machine tools and continue to support Japan's manufacturing!

Our company has been supporting machinery and technology that underpins production for over 60 years, focusing on the overhaul and retrofit of various machine tools both domestically and internationally, as well as providing consulting on factory equipment and dispatching engineers. In response to our customers' expectations of wanting to "fully utilize the performance of familiar machines" and "make them easier to use," Sanpo Seiki Kogyo will continue to evolve. 【Business Activities (Partial)】 ■ Robot Engineering ■ Control Software ■ Refurbishment ■ Sales of machine tools, parts, and peripheral equipment (including used machines) ■ Engineer Dispatch (domestic and overseas) etc. *For more details, please refer to the PDF document or feel free to contact us.

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Introduction to Automation by Robots

Not only large factories, but also small and medium-sized factories struggling with labor shortages should embrace automation through robots!

Due to a labor shortage on the manufacturing floor, the introduction of automation through robots has become an urgent topic. Is it possible to automate not only transportation and handling using robots but also the processes of deburring and chamfering that have traditionally relied on manual labor? Our company has developed a deburring system using robots to address this challenge, aiming to improve efficiency in industrial settings and stabilize product quality, achieving numerous results. Based on these achievements, we provide appropriate proposals, so please feel free to consult with us. 【Features】 ■ High-level overhaul ■ Retrofit to increase productivity ■ Automation using industrial robots *For more details, please refer to the PDF materials or feel free to contact us.

  • Other industrial robots

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Overhaul and Modification Comprehensive Catalog

The pursuit of environmental performance surpasses new products with superior technology in high-performance products, striving for ecology.

This is an introduction to the "Overhaul and Modification Comprehensive Catalog."

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Overhaul and retrofit contribute to environmental conservation.

Overhaul and retrofit contribute to environmental conservation.

For over 50 years, we have been engaged in the overhaul and retrofit of various machine tools both domestically and internationally. Without being satisfied with the current state, we have continuously evolved with a fresh perspective, aiming for the next stage. Additionally, we respond to all needs with our well-equipped facilities, including various grinding machines, large traveling cranes, and state-of-the-art measuring instruments.

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Overhaul NC Replacement Robot Engineering Comprehensive Catalog

Overhauls, retrofitting, and robot engineering, seamlessly combining hardware and software to develop business.

From maintenance of 81Dwear to software development and engineer dispatch, our business was created to meet the needs of all our customers. With solid technology honed through over 50 years of experience and a spirit that constantly anticipates the next generation, we propose the best solutions to fulfill our customers' needs.

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