ニシムラ Product Lineup

We would like to introduce our processing achievements in manufacturing "progressive press punches for electronic components" for the automotive industry. After purchasing carbide materials from the manufacturer, we complete all processes in-house, including machining centers, surface grinding, wire cutting, and jig searching, providing high-precision parts to our customers. During the prototype phase, we received positive feedback regarding the flatness and parallelism accuracy of the plates, which were produced with micron-level flatness. 【Case Overview】 ■ Manufacturing Example: Progressive Press Punch for Electronic Components ■ Industry: Automotive ■ Processing Methods: Machining Center, Surface Grinding, Wire Cutting, Jig Searching ■ Product Size: 510×150×15 (mm) ■ Material: SKD11 *For more details, please download the PDF or feel free to contact us.

• Other processing machines

We would like to introduce our processing achievements in the production of punches for progressive dies used in the automotive industry. After purchasing carbide materials from the manufacturer, we complete all processes in-house, including wire cutting, surface grinding, and profile grinding, providing high-precision parts to our customers. While troubles are inevitable in mass production, we have received feedback that our quick response during emergencies has been very helpful. 【Case Overview】 ■ Production Example: Punch for electronic component progressive die ■ Industry: Automotive ■ Processing Methods: Wire cutting, surface grinding, profile grinding ■ Product Size: 20×35×65 (mm) ■ Material: Carbide HRA90 *For more details, please download the PDF or feel free to contact us.

• Other processing machines

We would like to introduce our machining achievements in producing a fine groove insert for a mold used to press-form fuel cell separators. Using a machining center, cutting processing, and wire cutting, we processed an insert with product dimensions of 213×108(mm). Our high-precision processing machines are capable of handling sizes up to 560mm, allowing us to accommodate fine processing of large workpieces. 【Case Overview】 ■ Production Example: Fine groove insert for a mold used to press-form fuel cell separators ■ Processing Method: Machining center, cutting processing, wire cutting ■ Product Size: 213×108(mm) ■ Material: SKD11 *For more details, please download the PDF or feel free to contact us.

• Other processing machines

We would like to introduce a case study of the production of a fine groove insert for a mold used to press-form fuel cell separators. Our company has established a high-precision machining room with thorough temperature control, enabling us to perform high-precision machining. We also achieve surface roughness that enhances the durability of the mold. The material used is SKD11, and the product size is 80 x 100 (mm). This is a machining achievement as a company PR sample. 【Case Overview】 ■ Production Case: Fine groove insert for a mold used to press-form fuel cell separators ■ Industry: Company PR Sample ■ Machining Method and Process: Machining center, cutting, wire cutting ■ Product Size: 80 x 100 (mm) ■ Material: SKD11 *For more details, please download the PDF or feel free to contact us.

• Other processing machines

We would like to introduce a case study of high-precision punches for gears used in fine blanking molds. Our company has established a high-precision processing room with thorough temperature control, and we carry out high-precision machining. We also achieve surface roughness that enhances the durability of the molds. The material used is HAP40, and the product size is φ60 x 60(mm). This is a machining achievement for the automotive industry. 【Case Overview】 ■ Case Study: High-precision punches for gears used in fine blanking molds ■ Industry: Automotive ■ Machining Method and Process: Profile grinding from wire cutting ■ Product Size: φ60 x 60(mm) ■ Material: HAP40 ■ Customer Feedback: "For the gear components, precision was of course important, but the durability of the mold during mass production was also crucial. There were no issues with breakage over long periods." *For more details, please download the PDF or feel free to contact us.

• Other processing machines

We would like to introduce a case study on the production of a fine groove insert for a mold used in press forming fuel cell separators. Our company has established a high-precision processing room with thorough temperature control, and we perform precision machining with a machining center, achieving a machining accuracy of ±3μm. In this case study, we realized high-precision machining of carbide materials. The product size is 25 x 25 (mm), and it is a machining achievement for the automotive industry. 【Case Overview】 ■ Production Case: Fine groove insert for a mold used in press forming fuel cell separators ■ Industry: Automotive ■ Machining Method and Process: Machining center, cutting processing ■ Product Size: 25 x 25 (mm) ■ Material: Carbide ■ Customer Feedback: "This was a project that often got declined due to the high-precision machining of carbide materials, but we were greatly helped by your processing." *For more details, please download the PDF or feel free to contact us.

• Other processing machines

At Nishimura Co., Ltd., we produce high-quality products with high-performance equipment and advanced technical skills. Additionally, by utilizing various grinding techniques such as surface grinding and profile grinding in our parts processing, we deliver high-quality products to our customers through in-house integrated production. This time, we would like to introduce a processing example of "progressive die components for electronic parts." ■ Product Name: Progressive Die Components for Electronic Parts ■ Material: Carbide (D60) ■ Processing Method: Precision grinding using a profile grinder ■ Features: Management of contour accuracy and cutting edge condition, achieving high quality and long lifespan.

• Mold Design

At Nishimura Co., Ltd., we produce high-quality products with high-performance equipment and advanced technical skills. Additionally, by utilizing various grinding techniques such as surface grinding and profile grinding in our parts processing, we deliver high-quality products to our customers through in-house integrated production. This time, we would like to introduce a processing example of "sintered mold parts (punch for gear molding)." ■Product Name: Sintered Mold Parts (Punch for Gear Molding) ■Material: SKD11 ■Processing Method: Wire Cutting → Grinding → Polishing ■Features: Gear contour accuracy ±0.005mm Focused on precision in gear shape and perpendicularity in mold making, and ensuring a surface roughness of 0.4z required for sintered molds.

• Mold Design

Nishimura Co., Ltd. is a company that produces high-quality products with high-performance equipment and advanced technical skills. In parts processing, we utilize various grinding technologies such as surface grinding and profile grinding, and we carry out integrated production in-house, possessing the technical capability to faithfully reproduce the tolerances required by our customers. By managing tool wear through processing in suitable environments and conditions, we guarantee micron-level shape accuracy, and through the know-how we have cultivated over many years, we consistently produce high-precision mold components in-house. 【Main Equipment】 ■ Machining Center: ROKKO Industry MEGA-SS600 (High-precision micro-processing machine) ■ Machining Center: ROKKO Industry Vision (High-precision micro-processing machine) ■ Press Machine: Yamada Dobby MXM-80L (80-ton high-speed mechanical press) ■ Wire Cut: Mitsubishi Electric MX600 (Oil type) ■ NC Lathe: Okuma LB3000EXll ■ Profile Grinding Machine: WIDA SPG-Wi (Equipped with image inspection device)

• Mold Design
• Press Dies
• Contract manufacturing

Our company specializes in the design and manufacturing of "press molds" with strengths in long lifespan, high precision, and excellent maintainability. We have design specialists for various molds, including "FB" and "progressive molds," who possess the technical capability to minimize the clearance between the punch and die to the utmost limit, delivering molds that are highly rigid and exhibit minimal aging changes. With a foundation in micron-level precision machining technology, we are able to produce high-precision molds. To achieve a precision of "2 microns" for the punch and die, we enhance not only the shape accuracy and surface roughness but also ensure high-quality mold production from the crafting of guides to positioning. 【Features】 ■ Design specialists in various fields, including "thin plates," "thick plates (fine blanking)," "progressive molds," and "single-stroke molds." ■ Designers participate in meetings with customers, enabling more detailed discussions. ■ Multiple high-end software (CAD/CAM) such as "φ Station" and "CATIA V5" are implemented. ■ Proposals are made with an eye toward mass production from the development design stage. ■ Achievements in cost reduction and quality stability.

• Mold Design
• Press Dies
• Contract manufacturing

Our company has a long history of supporting the development and prototyping of various products, including metal separators for fuel cells, primarily in the automotive industry, in collaboration with manufacturers. By engaging in joint development with customers from mold design to trial to mass production, we implement value analysis (VA) and value engineering (VE) proposals during the development stage without compromising product functionality. Additionally, we work together with customers to resolve technical challenges that arise in the development of advanced automotive components. To achieve cost reduction and short lead times for development and prototype molds, we utilize our owned die sets to manufacture only the mold inserts, enabling cost-effective and speedy prototyping. **Features** - Consistent joint development from design to trial to mass production - Proposals during the development and prototyping stages - All meetings are handled by engineers - Speedy manufacturing - Proactive proposals that do not compromise functionality

• Mold Design
• Other molds
• Prototype Services

The "Metal Separator for Fuel Cells" is a product that achieves the molding of separators with narrow pitch flow channels made of stainless steel and titanium, utilizing high-precision mold manufacturing technology and extensive press forming know-how. Our company has a wealth of molding experience that has been compiled into a database, allowing us to propose flow channel cross-sections that match the material characteristics of the workpiece, thereby providing high-quality metal separators. 【Features】 ■ Narrow pitch flow channels ■ High flatness ■ Uniform flow channel height *For more details, please download the PDF or feel free to contact us.

• Press Dies
• Other machine elements
• Mold Design