萬代 Product Lineup

In the robotics industry, particularly in small sensors, high-precision component processing is required. As sensors become smaller and more high-performance, processing accuracy at the micron level significantly affects product performance. There are many challenges that traditional processing methods cannot address, such as difficult-to-polish shapes and ultra-fine groove processing. Our wire cut electrical discharge machining technology solves these challenges and contributes to the performance improvement of small sensors. 【Application Scenarios】 - Sensor components for robotic arms - Distance sensor components for autonomous robots - Precision sensor components for industrial robots 【Benefits of Implementation】 - Realization of high-precision sensor components - Improvement of small sensor performance - Increased design flexibility

• Processing Contract

In the watch decoration industry, there is a demand for diverse designs and high-quality finishes. In particular, delicate decorations and complex shapes greatly influence the value of a watch. However, traditional processing methods often have limitations in expressing fine details, which can impose constraints on design. Our electrical discharge machining technology addresses these challenges. 【Application Scenarios】 - Decoration of watch dials and bezels - Precision machining of movement components - Processing of precious metals and special materials 【Benefits of Implementation】 - Increased design freedom - High-quality finishes - Differentiation from competitors - Enhanced brand image

• Processing Contract

In the automotive industry, miniaturization of components is essential for improving fuel efficiency and space efficiency. In particular, high-precision micro-machining technology is required for engine parts and electronic control components. When faced with shapes that are difficult to process using conventional methods or when high surface precision is required, there is a possibility that product performance and durability may be affected. Our wire-cut electrical discharge machining technology addresses these challenges and contributes to the miniaturization and high precision of automotive parts. 【Application Scenarios】 - Micro-machining of engine parts - Precision machining of electronic control components - Manufacturing of small sensor components 【Benefits of Implementation】 - Weight reduction through component miniaturization - Performance improvement through high-precision machining - Increased design flexibility

• Processing Contract

In the electronics industry, miniaturization has made precision machining of components essential. In particular, high-precision processing technology is required to pack many functions into limited space. However, traditional machining methods may struggle to produce products that meet design specifications due to geometric constraints and limitations in processing accuracy. Bandai's "Hometown Processing Network" boasts wire-cut electrical discharge machining technology from specialized partners that addresses these challenges. It meets diverse customer needs, including difficult-to-polish shapes, surface roughness of curved surfaces, and ultra-fine groove processing. This technology contributes to the miniaturization and high performance of electronic devices. 【Application Scenarios】 - High-density mounted circuit boards - Compact electronic devices - Precision electronic components 【Benefits of Implementation】 - Increased design flexibility - Miniaturization and high performance of products - Reduced prototyping time

• Processing Contract

In the mold industry, high-precision processing that affects product quality is required. In particular, the accuracy of dimensions and the smoothness of surfaces are important, as even slight errors can impact the overall performance of the product. There are many cases where traditional processing methods struggle to handle difficult shapes for polishing or extremely fine groove processing. Our wire-cut electrical discharge machining technology addresses these challenges and contributes to improving the precision of mold processing. 【Application Scenarios】 - High-precision mold manufacturing - Processing of complex shapes - Fine groove processing - Processing of difficult-to-polish areas 【Benefits of Implementation】 - Improved mold precision - Enhanced product quality - Reduced processing time - Decreased defect rate

• Processing Contract

In the aerospace industry, reducing the weight of aircraft is essential for improving fuel efficiency and performance. In particular, there is a demand for microfabrication technology that can reduce unnecessary parts while maintaining strength to achieve weight reduction. However, conventional processing methods have limitations in machining complex shapes and fine details, narrowing the possibilities for weight reduction. Our wire-cut electrical discharge machining technology addresses these challenges. 【Application Scenarios】 - Weight reduction of aircraft components - Weight reduction of rocket components - Weight reduction of satellite components 【Effects of Implementation】 - Improved fuel efficiency through weight reduction of components - Enhanced aircraft performance - Increased design flexibility

• Processing Contract

In the semiconductor industry, as devices become more densely packed, the precision and quality of fine groove processing are becoming increasingly important. In particular, the shape, dimensional accuracy, and surface roughness of fine grooves, which influence the performance of wafers and chips, have a significant impact on yield and product lifespan. There is a demand for technology that can process difficult shapes and ultra-fine grooves at equal intervals. Our wire-cut electrical discharge machining technology addresses these challenges and supports the manufacturing of high-quality semiconductor devices. 【Application Scenarios】 - Fine groove processing of semiconductor wafers - Electrode groove processing of IC chips - Fine structure processing of MEMS devices - Processing of other semiconductor components requiring fine grooves 【Benefits of Implementation】 - Improved device performance through high-precision fine groove processing - Increased yield - Extended product lifespan - Enhanced design flexibility

• Processing Contract

In the medical device industry, miniaturization and high precision are advancing, making precision parts micro-machining technology essential. In particular, components related to human safety, such as implants and surgical instruments, require high accuracy and quality. There are many cases where conventional processing methods struggle to handle difficult shapes for polishing or fine groove machining, making the selection of processing methods crucial. Our wire-cut electrical discharge machining technology addresses these challenges and enables the production of high-quality precision parts. 【Application Scenarios】 - Implant components - Surgical instruments - Analytical instrument parts - Other medical device parts requiring micro-machining 【Benefits of Implementation】 - Improved product quality through high-precision processing - Capability to handle difficult shapes for polishing - Enhanced functionality through fine groove machining - Increased design flexibility

• Processing Contract

In the high-end furniture industry, the aesthetics of metal components greatly influence the overall value of the product. Particularly in high-end furniture where design is emphasized, the surface finish of metal parts is crucial. Welding marks and surface roughness can detract from the quality of the product. Our precision sheet metal processing and buffing technology address these challenges and provide high-quality metal components. 【Usage Scenarios】 * Legs of high-end tables * Frames with sophisticated designs * Decorative metal parts 【Benefits of Implementation】 * Enhanced luxury and value of products * Increased customer satisfaction * Differentiation from competitors

• Other machine elements

In theme park sculptures, an attractive appearance that captures the attention of visitors is crucial. In particular, outdoor sculptures must also demonstrate durability under harsh environmental conditions. Welding marks and surface roughness can not only detract from the aesthetic appeal of the sculptures but may also lead to a decrease in durability. Our precision sheet metal processing and buff polishing technology address these challenges, enabling the creation of high-quality sculptures. 【Usage Scenarios】 - Decorative items for theme parks - Sculptures for attractions - Monuments 【Benefits of Implementation】 - Increased attractiveness due to beautiful appearance - Reduced maintenance costs due to high durability - Realization of high-quality sculptures with attention to detail

• Other machine elements

In the decoration of store fixtures, exterior quality is a crucial factor that greatly influences customer impressions. A beautiful finish down to the smallest detail enhances the overall value of the store. In particular, it is important to avoid noticeable welding marks or surface roughness in eye-catching decorative elements. Our precision sheet metal processing completely eliminates welding scars and achieves a uniform surface finish through buff polishing. This provides the high exterior quality necessary for the decoration of store fixtures. 【Usage Scenarios】 - Displays for high-end brand stores - Fixtures for apparel shops - Interiors of cafes and restaurants 【Benefits of Implementation】 - Improvement of the store's brand image - Increased appeal to customers - Creation of a high-quality store environment

• Other machine elements

In the elevator industry, the aesthetics of the control panel greatly influence user comfort. In particular, the control panel is a part that users come into contact with, and its appearance quality is important. Scratches and weld marks can detract from the product's impression and potentially lower user satisfaction. Our products completely eliminate weld marks through precision sheet metal processing and buffing techniques, achieving a uniform and beautiful surface finish. This enhances the luxury feel of the control panel and contributes to the overall quality improvement of the elevator. 【Usage Scenarios】 - Elevator control panels - Decorative parts for control panels - Parts requiring high appearance quality 【Effects of Implementation】 - Improved aesthetics of control panels - Enhanced luxury feel of products - Increased user satisfaction

• Other machine elements

In the telecommunications equipment industry, the appearance quality of products greatly influences brand image. In particular, the exterior components of communication devices used outdoors require both durability under harsh environmental conditions and an attractive appearance. Welding marks and surface roughness can not only undermine the reliability of the product but also become factors that lower customer satisfaction. Our precision sheet metal processing and buff polishing technology enhance appearance quality to the utmost, contributing to the improvement of our customers' product value. 【Usage Scenarios】 - Communication base stations - Outdoor communication equipment - Various antennas 【Effects of Implementation】 - Improvement of product appearance quality - Enhancement of brand image - Increase in customer satisfaction

• Other machine elements

In the machine tool industry, many components that influence the overall impression of the product, such as control panels and enclosures, are used. Particularly for panel components that require high precision and beautiful finishes, welding marks and surface roughness can detract from the product's value. Our precision sheet metal processing technology achieves high-quality appearance through process design based on post-welding burn removal and surface roughness management via buff polishing. 【Application Scenarios】 * Control panels for machine tools * Enclosures for control panels * Various cover components 【Benefits of Implementation】 * Improved product appearance quality * Increased customer satisfaction * Enhanced product brand image

• Other machine elements

In the semiconductor manufacturing equipment industry, precise components are required to maximize product performance. In particular, high precision and beautiful finishes are essential for fine internal parts and components where appearance quality is important. Improper processing or finishing can lead to decreased equipment performance and product defects. Our precision sheet metal processing and buffing technology achieve high precision and beautiful finishes, contributing to the improvement of semiconductor manufacturing equipment quality. [Application Scenarios] - Housing components for semiconductor manufacturing equipment - Precision parts - Components requiring appearance quality [Effects of Implementation] - Achievement of high appearance quality - Improvement of equipment performance - Enhancement of product reliability

• Other machine elements

In the medical device industry, the appearance quality and functionality of the casing influence the reliability and safety of the products. Particularly for casings that are directly touched by patients and healthcare professionals, weld marks and surface roughness are not acceptable, and a high level of appearance quality is required. Bandai's precision sheet metal processing eliminates weld marks to the utmost extent and achieves a smooth surface finish, balancing the safety and high-end feel of medical devices. 【Application Scenarios】 - Medical monitor casings - Surgical robot casings - Imaging diagnostic device casings 【Benefits of Implementation】 - Improved product reliability - Enhanced brand image - Ensured safety

• Other machine elements

In aircraft cabin components, a high-quality appearance that balances aesthetics and safety is required. In particular, interior components that are visible to passengers must have a beautiful finish down to the smallest detail. Welding marks and surface roughness can not only detract from the overall impression of the cabin but may also affect cleanliness and durability. Our precision sheet metal processing and buff polishing technology address these challenges, enabling the manufacture of high-quality cabin components. 【Application Scenes】 - Decorative panels in the cabin - Lighting fixtures - Tables and handrails - Storage shelves 【Effects of Implementation】 - Enhanced luxury and sophisticated impression of the entire cabin - Achieving high durability and maintainability - Improved safety - Increased customer satisfaction

• Other machine elements

"Concerns about quality in overseas processing" — a site in Dalian challenges that perception. The processing partner that Bandai visited in China specializes in single-item, multi-variety small-batch production and offers a wide range of services from machining, turning, grinding, wire cutting, to welding. In terms of process management, they rigorously implement work instructions, creating a system that ensures quality and delivery times are maintained regardless of who is performing the processing. On the inspection side, they are equipped with multiple three-dimensional measuring machines in a temperature-controlled inspection room, conducting 100% inspections and issuing inspection reports for both prototypes and mass production. In the event of defects, they quickly resolve issues from internal sharing to root cause analysis and re-manufacturing, implementing horizontal deployment for recurrence prevention. They execute quality management based on Japanese standards as a matter of course while maintaining the cost competitiveness unique to China. This is a processing site that design and purchasing professionals who do not want to compromise on quality or price should definitely know about. *Such efforts are just a small part of what Bandai engages in daily. Please take a look at the value we can offer to our customers.

• Other machine elements

The decorative parts of train cars, particularly around the headlights, are crucial areas where the quality of appearance directly influences the overall impression of the vehicle. What we were consulted about this time was a high-difficulty decorative part made of stainless steel with a welded structure, which required that no welding marks be left on the surface at all. The key to our response was the process design based on the assumption of post-welding burn removal and surface roughness management through buff polishing. The weld bead was completely eliminated, resulting in a surface that was uniform and reflective. Honestly, it’s at a level where you might think, "Are we really going this far?" but the team is in a serious mode, looking for further improvements! The true capability of precision sheet metal processing lies in achieving not only strength and dimensional accuracy but also including appearance quality. The difference in processing technology cannot be hidden, especially for "visible parts" like decorative components. *This kind of response is just a small part of what Bandai does every day. Please take a look at the value we can provide to our customers.

• Other machine elements

In aluminum gravity casting, it is important not only to meet strength requirements but also to focus on comprehensive quality design that includes precision and appearance. Even if there are no issues on the drawings, there are often points that can only be noticed when seeing the actual product during prototyping or mass production preparation. In this project, we adopted a manufacturing process that combines gravity casting and machining, collaborating with casting and machining vendors from the design stage. Three key points emerged that require particular attention. The first is the ejector pin marks. Even if there are no issues in terms of strength, a slight protrusion can lead to an appearance that feels off. The second is burrs. They may not be noticeable immediately after casting but can appear as defects after surface treatment. The third is the management of geometric tolerances. Subsequent processes, such as inserting helicoils, can affect precision, such as symmetry. In gravity casting, prior alignment with a view of the entire process is key to stabilizing quality. If you are considering castings, please feel free to consult with us. *Such efforts are just a small part of what Bandai does on a daily basis. Please take a look at the value we can provide to our customers.

• Other machine tools

When drawing a blueprint, have you ever found yourself stopping and wondering, "How will I process this diagonal groove?" Grooves that stop midway or fine shapes with a width of around 0.1mm can be challenging cases for wire-cut electrical discharge machining. At Bandai, we collaborate with our processing partner in Dongguan, China, to respond to such design intentions using die-sinking electrical discharge machining. This time, we tackled a high-difficulty shape that includes four diagonal grooves at a 5° angle inside a hole, all in one process using a dedicated electrode. We confirmed the shape accuracy with a three-dimensional measuring machine for all parts, ensuring they are reliable components even with short delivery times. If you ever find yourself wondering, "How will I process this shape?" please feel free to consult us. *This kind of response is just a small part of what Bandai does every day. Please take a look at the value we can provide to our customers.

• Other processing machines

In the aerospace industry, redesign requires advanced technology and strict quality control. In particular, when manufacturing metal parts due to design changes, timely delivery and high-quality component procurement are essential. If processing cannot be done according to the drawings, it may lead to delays in the entire project and increased costs. Bandai leverages the unique ideas of a trading company to utilize the strengths of multiple companies, achieving difficult processing and short delivery times, thereby leading redesign projects to success. 【Usage Scenarios】 - Manufacturing of metal parts due to design changes - Component procurement during the prototype stage - Alternative procurement when existing suppliers are unable to respond 【Benefits of Implementation】 - Timely supply of components - Assurance of high-quality parts - Potential cost reduction - Mitigation of project delay risks

• Processing Contract
• Contract manufacturing
• Other services

In the medical device industry, there is a trend towards miniaturization and precision of products, leading to a demand for fine welding techniques. Especially for products such as implants and surgical instruments, which require high precision and safety, the quality of welding significantly affects the product's performance and safety. Welding defects can lead to product malfunctions and pose risks to patients. Our fiber laser welding, offered through our "Hometown Processing Network," boasts a finishing quality that was featured as an example of the beauty of fiber laser welding on the popular NHK variety show "Ariyoshi's Money Discovery: Attack! Kaneo-kun." [Application Scenes] - Joining of fine components - Comparison and examination of high-quality welding techniques - Improvement of welding technology in medical device manufacturing [Effects of Implementation] - Realization of high-quality welding technology - Increased reliability of products - Streamlining of manufacturing processes

• Other machine elements

In the agricultural machinery industry, robustness that can withstand harsh environments is required. Exposed to soil, vibrations, and changes in weather, the quality of welding is a crucial factor that affects the durability of the machinery. Improper welding can lead to machine failures or performance degradation, potentially resulting in decreased work efficiency and increased costs. The fiber laser welding provided by our "Hometown Processing Network" boasts a finishing quality that was featured as an example of the beauty of fiber laser welding on the popular NHK variety show "Ariyoshi's Money Discovery: Attack! Kaneo-kun." [Usage Scenarios] * Manufacturing of tractors, combines, tillers, etc. * Repair and maintenance of agricultural heavy machinery * Manufacturing of machines that can withstand harsh environments [Benefits of Implementation] * Ensuring high durability and reliability * Extending product lifespan * Reducing maintenance costs

• Other machine elements

In the shipbuilding industry, advanced waterproofing performance is essential to ensure the durability and safety of the hull. In particular, reliable welding technology is required to prevent seawater intrusion and protect onboard equipment and cargo. Poor welding can lead to corrosion and water ingress, potentially resulting in serious accidents. Our company contributes to improving waterproof performance in shipbuilding by utilizing fiber laser welding technology to provide high-precision and robust welds. 【Application Scenarios】 - Welding of hull outer plates - Welding of tanks and containers - Welding of piping and cable penetrations 【Benefits of Implementation】 - Achieving high waterproof performance - Enhancing long-term durability - Improving safety

• Other machine elements

"Can you perform this bending process?" This is a common question we receive regarding the processing of pipe materials and round bars. Various conditions are involved, such as bending radius, total length, axis diameter, wall thickness, tolerances, lot size, and whether there are subsequent processes. In some cases, it may be difficult to process exactly according to the drawings... At Bandai, in addition to conventional NC pipe bending and bending using press brakes, we also accommodate bending using molds and artisan techniques like hand bending with burner heating. Sometimes, welding is also utilized in the bending process... Furthermore, in addition to secondary processing such as drilling and shaft end processing, we can consistently respond to assembly needs through welding by leveraging the "Hometown Processing Network," which consists of unique processing companies nationwide. From single prototype bending to mass production and assembly items that require multiple processes, please feel free to consult with us! ＼ We are currently offering case studies to solve your machine parts procurement issues! ／ For more details, please check the PDF data from "Catalog Download." If you have any concerns regarding machine parts procurement, please feel free to contact us.

• Processing Contract

Bandai boasts an "unwavering procurement capability." This time, we would like to introduce a case where we delivered the "precision single-row cylindrical roller bearing," necessary for spindle prototyping, from a lead time of six months for made-to-order production to just three weeks. Initially, it was deemed impossible to obtain the specified part number, but at Bandai, we reorganized the design conditions (inner and outer diameters, load, and rotation speed) and proposed an alternative: the **"precision multi-row cylindrical roller bearing"** that meets the same specifications. By collaborating with the manufacturer (NSK), we confirmed compatibility through technical calculations and were able to meet the short lead time for prototyping. Bearings are critical components where the balance of dimensions, precision, and rigidity is essential. Even when making an "alternative proposal," we do not rely solely on catalog values; instead, we work together with the manufacturer's technical department to derive reliable solutions that our customers can adopt with confidence. *This kind of response is just a small part of what Bandai does on a daily basis. Please take a look at the value we can provide to our customers.*

• Other machine elements

On October 26, 2025 (Sunday) at 18:05, the NHK program "Ariyoshi's Money Discovery: Attack! Kaneo-kun" aired, and the comparison photos of fiber laser welding and TIG welding published on our company blog were featured! The theme of the broadcast was "Currently Evolving in Praise! The Secrets of Towel Money." At first glance, this topic seems unrelated to welding, but it turns out that Kenjiro Yamashita from the guest group Sandaime J Soul Brothers from EXILE TRIBE owns a fiber laser welding machine, and our blog's photos were used during the introduction segment. We are very honored that our blog's photos were featured in a nationally broadcast program hosted by Hiroyuki Ariyoshi, providing an opportunity for many people to learn about our company's efforts to support local manufacturing. *This is just a small part of the initiatives that Bandai engages in daily. Please take a look at the value we can offer to our customers.

• Other machine elements

At Bandai, we are promoting the digitalization of drawing management as a key theme of DX (Digital Transformation). In our interactions with customers and processing partners, we faced challenges where drawing information tended to remain in the minds of the responsible personnel, leading to delays in searching and sharing. To address this issue and aim for the "de-personalization" of information, we decided to implement the drawing management software "Zumeen." By utilizing the AI-powered similar drawing search function, we can quickly match with past projects and select the optimal processing destination. Through the creation of a system that leverages drawings not just as data but as "knowledge assets," we will shape a DX that is characteristic of Bandai, benefiting our customers, suppliers, and colleagues alike. *This response is just a small part of the initiatives that Bandai undertakes daily. Please take a look at the value we can provide to our customers.

• Other machine elements

At Bandai, we have started initiatives to leverage generative AI and ChatGPT in our operations. As the first step, we held an in-house seminar with Mr. Inoue, the representative of Westana Co., Ltd., which provides support for AI implementation, as the speaker. Through actual demonstrations, we shared "specific methods to enhance the quality of work," including creating meeting minutes, drafting emails, structuring documents, and analyzing drawings. Participants seemed convinced by the estimate that it could reduce work time by 20 hours per person per month at a cost of just a few thousand yen. Everyone, including not only sales and administrative staff but also warehouse personnel, participated, and many expressed positive thoughts like, "I think I can utilize this in my own work." Bandai will continue to flexibly use generative AI not just as a trend but as a "tool to assist work," aiming to improve our proposal capabilities and responsiveness to our clients and suppliers. *This kind of initiative is just a small part of what Bandai is doing every day. Please take a look at the value we can provide to our customers.

• Other machine elements

Reverse engineering is a technique that involves analyzing existing products using 3D scanners and various measuring instruments to create CAD data, which is then reproduced using high-precision machining equipment. This time, we will introduce a case study from "Hometown Processing Partner," which is evaluated as the best in Japan for palm-sized metal processing. Utilizing the latest measuring instruments such as 3D scanners and those from Mitutoyo, Keyence, and Nikon, along with the ultra-high-precision machining center called "YBM Vi40 Ver.3" from Yasuda Industries, you will see a site where cutting-edge equipment and skilled techniques merge through the process of precisely reproducing complex-shaped models. *Such efforts are just a small part of what Bandai does on a daily basis. Please take a look at the value we can offer to our customers.

• Other machine elements

Leave the quality improvement of parts, shortening of delivery times, discovery of new suppliers, and reduction of ordering management workload to our company "Bandai"! Our "Hometown Processing Network" consists of a cooperative system made up of 16 processing companies across Japan and one in China. We leverage the strengths of each company to achieve a wide range of processed parts procurement, from precision cutting at the micron level to labor-intensive fabricated parts. We respond flexibly to cutting, heat treatment, polishing, and fabrication, and can accommodate single items, small lots of various types, and mass-produced items. 【Problem-Solving Examples】 - 3D printer nozzles: I want to procure intricate pure copper cutting parts that other companies have refused! - Interior parts for railway vehicles: I want to obtain SUS304 fabricated parts with a beautiful finish in a short delivery time! - Repair parts for old European machines: No longer available due to the end of genuine support. I want to address this with reverse engineering! - Parts for agricultural machinery: Sudden business closure of the supplier. Over 700 press, brake, and welding parts are now unavailable! ★ What is the "Hometown Processing Network"? First, please take a look at our manga materials! We also have a collection of other problem-solving examples available! You can view them immediately from [PDF Download].

• Other machine elements

Bandai's proud 'Hometown Processing Network' consists of 16 unique processing companies from across the country and one processing company from China. From precision cutting processing at the micron level to labor-intensive custom can parts, the 17 processing companies with different areas of expertise provide optimal solutions to various concerns regarding processed products!! We accommodate a wide range of processing, from metals to resins! We handle single items, small lots of various types, and mass-produced items. We have prepared materials introducing the unique 17 companies, including case studies for problem-solving. Please take a look by downloading the catalog below!!

• Other machine elements

BanDai proudly presents the "Hometown Processing Network," composed of 16 unique processing companies from across the country and one processing company from China. From precision cutting processing at the micron level to labor-intensive custom canning parts, the 17 processing companies, each with their own areas of expertise, provide optimal solutions to various concerns related to processed products! 【Problem-Solving Examples】 - 3D Printer Nozzle: We need help with intricate pure copper cutting parts that other companies couldn't process! - Interior Parts for Railway Vehicles: We need SUS304 canning parts that require beautiful finishing, even with a short delivery time! - Repair Parts for Old European Machines: The manufacturer's genuine repair parts are no longer available due to support ending! Can we do something through reverse engineering? - Parts for Agricultural Machinery: Due to the sudden closure of our current processing company, we can't obtain over 700 pressing, braking, and welding parts! We are preparing materials that introduce the 17 unique companies, along with other problem-solving examples. Please take a look by downloading the catalog below!

• Other machine elements

The "Hometown Processing Network" that Bandai uniquely builds is a system that collaborates with distinctive processing companies across the country to match the optimal processing destination according to various conditions such as processing difficulty, delivery time, and cost, thereby solving our customers' concerns. Processing companies with strengths in various processes such as turning, milling, machining, wire cutting, pressing, laser cutting, welding, brazing, heat treatment, polishing, surface treatment, and 3D printing handle materials like SUS, aluminum, copper, brass, iron, and titanium. We construct the optimal processing flow according to the required dimensional tolerances, appearance specifications, quantities, and delivery times. Additionally, we flexibly respond to small quantities of diverse products and short delivery times, taking full responsibility for coordinating between processing processes and considering quality requirements. Our staff, who are well-versed in the technical characteristics of each process, select the most suitable processing companies according to specifications, providing valuable products that achieve the optimal balance of cost, delivery time, and quality. *This type of response is just a small part of the efforts that Bandai engages in daily. Please take a look at the value we can offer to our customers.

• Other machine elements

"I received a bearing that is different from the model I ordered...?" Such voices can be heard here and there in the bearing procurement field. Behind this, there are often **"manufacturer-specific symbols" that are not listed in the catalog.** For example, models like "6900ZZ1CM" or "6900ZZ1NXR*" may seem familiar at first glance, but symbols like "1" or "NXR" are not included in the catalog, which can confuse newcomers and customers. While veterans might brush it off as "Oh, that's a common one," it can be quite troublesome for those who are not used to it. This can lead to procurement mistakes or inquiries. That’s why we at Bandai make sure to thoroughly support you with such "confusing aspects." If you ever think, "This model looks unfamiliar..." please feel free to reach out to Bandai. We will provide clear explanations. *This kind of support is just a small part of what Bandai does every day. Please take a look at the value we can offer to our customers.*

• Metal bearings

A request for rod-shaped machined products from a customer. When we asked multiple lathe machining companies in the "Hometown Processing Network" for estimates, the responses were almost all "processing not possible." Upon confirming the reasons, many expressed that "the geometric tolerances are too strict." Indeed, while the specifications may be precise on paper, factors such as manufacturing difficulty, cost, and lead time significantly impact actual processing on the shop floor. This time, after confirming the customer's intentions, we adjusted the tolerance specifications, which ultimately allowed for smooth and realistic processing responses. The professionals in design and those in processing—bridging the gap between them, aligning intentions, and connecting to the site in the optimal way—this is one of the important roles of Bandai. *Such responses are just a small part of what Bandai does daily. Please take a look at the value we can provide to our customers.

• Processing Contract

The request from the customer was for high-precision machining of copper pins, reducing from φ6 to φ2, with M4 tapping included. At first glance, copper may seem like an "easy-to-machine material," but due to its softness and tendency to deform, along with strict tolerances, general lathes cannot handle it, making precision machining with NC lathes essential. However, for extremely small diameters like this, chucking on an NC lathe itself is difficult. A partner who previously processed φ4 SUS material also responded that they could not accommodate this condition. Nevertheless, we did not give up and found a machining company within the "Hometown Processing Network" that has specialized technology for small diameters, successfully leading to an order. Copper material × high precision × extremely small diameter—this project made me realize that a comprehensive knowledge of materials and a strong machining network are necessary to address all these factors. *This kind of response is just a small part of what Bandai does every day. Please take a look at the value we can provide to our customers.

• Processing Contract

We received a request from a customer to perform additional processing on a standard bevel gear from a certain gear manufacturer. The "material" section of the drawing listed the model of the standard product, and both our company and the processing contractor proceeded with the prototype based on that information. However, after delivering the prototype, we were pointed out by the quality control representative that "the hardness is different." In a hurry, we rechecked the drawing and found that there was a clear hardness specification exceeding the standard product's hardness range mentioned separately in the drawing. This was a moment of reflection for us as professionals, caused by the assumption that "there should be no problem since it's a standard product" and a lack of thorough verification. Fortunately, we were able to address it with heat treatment, but it reinforced the idea that drawings should not only be reviewed at the beginning but should be examined thoroughly until the end. We will ensure that we do not waste this experience and will be diligent in checking every detail moving forward. *This kind of response is just a small part of the initiatives that Bandai engages in daily. Please take a look at the value we can provide to our customers.

• Processing Contract

Heat treatment is a very important factor in the production of processed products. However, it is often difficult to distinguish between good and bad products based solely on their appearance, so it is essential to have a precise understanding of the process. If heat treatment is ordered without sufficient understanding, it could lead to significant problems later on. Our company has also had bitter experiences in the past where issues arose from heat treatment. Therefore, our company has conducted several internal study sessions, and our employees have a good understanding of the content and risks associated with heat treatment. Now, we will explain this in an easy-to-understand manner using the example of gears. *For detailed content of the blog, please refer to the related links. For more information, please download the PDF or feel free to contact us.*

• Processing Contract

What is lost when something becomes hard? That is toughness. Toughness is like the ductility that a material possesses. When hardness increases, this ductility is compromised. What happens when toughness is compromised? Let’s take diamond, the hardest mineral in the world, as an example. While diamonds are thought to be extremely hard, this is only effective against wear and scratches; they can easily break when subjected to impact, such as from a hammer. This indicates that while diamonds have very high surface hardness, their internal toughness is very low. *For more details, you can view the related links. For more information, please download the PDF or feel free to contact us.*

• Processing Contract

There are four main methods of heat treatment. The toughness I mentioned last time is imparted by performing "tempering." It is often said "quenching and tempering," and it is common to carry out these processes together to give steel surface hardness and toughness. Annealing and normalizing are not frequently used in the processing we mainly handle, but the photo of the handle at the beginning shows that annealing was performed to soften the iron and bend it. The root part of the bend has undergone annealing. Without annealing, it would be hard, and cracks would occur during bending, or it would break. *You can view the detailed content of the blog through the related links. For more information, please download the PDF or feel free to contact us.*

• Steel
• Processing Contract

"What is Chokou?" - This simple question prompted us to hold a study session on cemented carbide within Bandai. We shared information on material properties such as hardness and ductility, processing risks, the challenges of tool selection, and even examples of how we have addressed these issues in our company. What I felt again during this session is that correctly understanding the properties of materials directly reduces the risk of failure during processing and leads to better decisions regarding optimal manufacturing methods. For example, in a previous order for a cemented carbide product, we assumed that "adhesion is impossible" and manufactured everything in cemented carbide, only to later learn about an alternative called "cemented carbide thermal spraying." If we had known the options from the beginning, it might have led to reduced costs and processing risks - it was an eye-opening experience. Next time, I will provide a detailed introduction to the actual case of "cemented carbide thermal spraying." *Such initiatives are just a small part of what Bandai does every day. Please take a look at the value we can offer to our customers.

• alloy
• Processing Contract

The "thermal spraying" technology involves melting metals and ceramics and spraying them onto the surface of a substrate. Among these, carbide thermal spraying offers significant advantages in both cost and processing risk, as it allows for high wear resistance only in the necessary areas. Previously, there was a project where all components made of S45C + carbide were produced entirely from carbide, but in hindsight, I feel that a more rational proposal could have been made using carbide thermal spraying. Due to a lack of knowledge, I was unable to make that suggestion at the time, but I will strive to utilize this learning and present the optimal options next time. *Such responses are just a small part of the efforts that Bandai engages in daily. Please take a look at the value we can provide to our customers.

• Processing Contract

Hollow, complex shapes, and high strength... We are realizing designs that were difficult with conventional processing methods using 3D printer technology. At Bandai, we showcased our modeling samples at the Kansai Machine Element Technology Exhibition in 2019, receiving much feedback on the precision and beauty of the appearance. The 3D printer used for modeling is the Markforged METALX, which supports a variety of materials such as SUS, Inconel, and titanium, and is capable of high-density modeling with a 50μ pitch. Furthermore, through collaboration with the "Hometown Processing Network," we ensure strength with layered designs in partnership with specialized institutions. However, even if the machine is excellent, without proposals that understand and utilize it, we cannot secure orders. Next time, we will focus on how to "sell" this 3D printer and briefly introduce Bandai's sales style. *This kind of response is just a small part of what Bandai does every day. Please take a look at the value we can provide to our customers.

• 3D Printer