ミツワ精機製作所 List of Products and Services

We would like to introduce the equipment we have. As inspection equipment, we have one unit of the KEYENCE "Image Dimension Measuring Instrument IM-7000." In addition, we are equipped with numerous other devices, and Mitsuwa Seiki Manufacturing delivers user-friendly products through press processing. Please feel free to contact us when you need assistance. 【Overview】 ■ Name: Image Dimension Measuring Instrument ■ Remarks: IM-7000 ■ Manufacturer: KEYENCE ■ Quantity: 1 *For more details, please refer to the PDF document or feel free to contact us.

• Other measurement, recording and measuring instruments
• Other inspection equipment and devices

We would like to introduce the equipment we have. As inspection equipment, we possess Keyence's "Image Dimension Measuring Instrument IM-8000/8030T." In addition, we are equipped with various other facilities. Please feel free to contact us when needed. 【Overview】 ■Name: Image Dimension Measuring Instrument ■Remarks: IM-8000/8030T ■Manufacturer: Keyence *For more details, please refer to the PDF document or feel free to contact us.

• Other measurement, recording and measuring instruments
• Other inspection equipment and devices

We would like to introduce the equipment we have. As for press machinery, we own the "Straight Side High-Speed Press EH-60" from Yamada Dobby. Mitsuwa Seiki Seisakusho delivers user-friendly products through press processing. Please feel free to contact us when you need assistance. 【Overview】 ■Name: Straight Side High-Speed Press EH-60 ■Manufacturer: Yamada Dobby *For more details, please refer to the PDF document or feel free to contact us.

• Other processing machines

We would like to introduce the equipment we have. As for machining equipment, we own one unit of the "Hydrocarbon One-Bath Vacuum Cleaning and Drying Machine CLOVA-4030" from KURINBI. In addition, we are equipped with numerous other facilities. Mitsuwa Seiki Seisakusho delivers user-friendly products through press processing. Please feel free to contact us when you need our services. 【Overview】 ■ Name: Hydrocarbon One-Bath Vacuum Cleaning and Drying Machine ■ Remarks: CLOVA-4030 ■ Manufacturer: KURINBI ■ Quantity: 1 *For more details, please refer to the PDF document or feel free to contact us.

• Drying Equipment
• Other cleaning machines

We would like to introduce a case of the "core for ultra-large telephoto lenses" that we manufactured. The product has a thickness of 0.5t and dimensions of 30mm × 15mm × 20mm. SECC material was used, and we carried out everything from mold production to pressing and final inspection. Please feel free to contact us when you need assistance. 【Case Overview】 ■ Material: SECC ■ Thickness: 0.5t ■ Size: 30mm × 15mm × 20mm ■ Lot: 3,000 pieces/month *For more details, please refer to the PDF document or feel free to contact us.

• Contract manufacturing

We would like to introduce a case study of the "Motor Core for CRT" that we manufactured. We used 50H470 as the material and produced thick plates with dimensions of t=0.5×4. The process included mold making, press processing, and final inspection. Please feel free to contact us when you need our services. 【Case Overview】 ■Material: 50H470 ■Thickness: t=0.5×4 ■Size: 30mm to 40mm ■Lot: 50,000 pieces/month or more *For more details, please refer to the PDF document or feel free to contact us.

• Contract manufacturing
• Other motors

We would like to introduce an example of the "Camera Anti-Shake Motor Core" produced by our company. The production lot is possible from 50,000 pieces/month. The material used is 35H270, and the size is 4mm×6mm, with a thickness of t=0.35×4. Please feel free to contact us if you have any inquiries. 【Case Overview】 ■Material: 35H270 ■Thickness: t=0.35×4 ■Size: 4mm×6mm ■Lot: 50,000 pieces/month～ *For more details, please refer to the PDF document or feel free to contact us.

• Contract manufacturing
• Other motors

We would like to introduce a case study of the "medical motor core" produced by our company. We use SUV material. We handle everything from mold production to final inspection, and the sizes are manufactured from 1mm to 2mm. Please feel free to contact us when you need assistance. 【Case Overview】 ■Material: SUV ■Thickness: t = 0.2 × 5 sheets ■Size: 1mm to 2mm ■Lot: 100,000 pieces/month or more *For more details, please refer to the PDF document or feel free to contact us.

• Contract manufacturing
• Other motors

We would like to introduce a case study of the "motor core for automatic opening and closing doors" that we manufactured. We carried out everything from mold production (progressive die) to press processing and final inspection. The size is Φ85.0mm, and the thick plate is made with t=0.35×H12.95. Please feel free to contact us when you need assistance. 【Case Overview】 ■ Material: 35H360 ■ Thick Plate: t=0.35×H12.95 ■ Size: Φ85.0mm ■ Lot: 1,000 pieces/lot *For more details, please refer to the PDF document or feel free to contact us.

• Contract manufacturing
• Other motors

Here is an example of the "motor core for health equipment" that we manufactured. The size starts from Φ25.5mm, and the thickness is t=0.5×H14.5 and above. The material used is 50H470, with a lot size starting from 20,000 pieces per month. Please feel free to contact us when you need assistance. 【Case Overview】 ■ Material: 50H470 ■ Thickness: t=0.5×H14.5 and above ■ Size: Φ25.5mm and above ■ Lot size: 20,000 pieces per month *For more details, please refer to the PDF document or feel free to contact us.

• Contract manufacturing
• Other motors

We would like to introduce a case study of the "motor core for vehicles" that we manufactured. The material used is 35H360, and the size is Φ14.4mm. We created the mold (with two pieces in progressive die) and conducted press processing followed by final inspection. Please feel free to contact us when you need our services. 【Case Overview】 ■ Material: 35H360 ■ Thickness: t = 0.35 × 11 sheets ■ Size: Φ14.4mm ■ Lot: 100,000 pieces/month～ *For more details, please refer to the PDF document or feel free to contact us.

• Contract manufacturing
• Other motors

We would like to introduce a case where we processed laminated motor cores using the "adhesive method." This method involves applying adhesive to laminated parts to bond them together. Compared to other methods, it takes more processing time, resulting in higher costs; however, it does not require precision in mold accuracy and improves motor characteristics compared to other methods. Please feel free to contact us if you have any inquiries. 【Case Overview】 ■ Processing Method: Adhesive Method *For more details, please refer to the PDF document or feel free to contact us.

• Processing Contract
• Other motors

We would like to introduce a case where we processed laminated motor cores using the "laser welding method." This method involves joining laminated parts using welding technology. It requires a laser welding machine and, compared to the riveting method, it is more expensive, but it does not require precision in mold accuracy and can accommodate miniaturization. Please feel free to contact us if you have any inquiries. 【Case Overview】 ■ Processing Method: Laser Welding Method *For more details, please refer to the PDF document or feel free to contact us.

• Processing Contract
• Other motors

We would like to introduce a case where we processed a laminated motor core using the "crimping method." This method involves crimping two or more parts together through press joining. While high precision in the mold is required for the crimping process, it allows for the automation of subsequent processes after pressing, making it more cost-effective compared to other methods. Please feel free to contact us if you have any inquiries. [Case Overview] ■ Processing Method: Crimping Method *For more details, please refer to the PDF document or feel free to contact us.

• Processing Contract
• Other motors

We would like to introduce a case of "medical-related components" made by our company, using the material SUS631CSP-3/4H. The process includes mold production (progressive), press processing, heat treatment, and final inspection. These components are used in medical device motor parts. The sizes range from Φ10 to Φ35mm, and we can produce them in lots starting from 100 pieces per month. Please feel free to contact us if you have any requests. 【Case Overview (Partial)】 ■ Material: SUS631CSP-3/4H ■ Thickness: t = 0.2 ■ Size: Φ10 to Φ35mm ■ Lot: Production possible from 100 pieces per month *For more details, please refer to the PDF document or feel free to contact us.

• Other motors

We would like to introduce an example of "medical-related components" made by our company, using NK Super E-Core material. These are used in medical device motor parts, with sizes ranging from Φ10 to Φ35mm and a thickness of t=0.1. We pay particular attention to secondary processes after machining, such as barrel polishing, cleaning, and heat treatment. Please feel free to contact us if you have any requests. 【Case Overview (Partial)】 ■Material: NK Super E-Core ■Thickness: t=0.1 ■Size: Φ10 to Φ35mm ■Lot: Production possible from 100 pieces/month *For more details, please refer to the PDF document or feel free to contact us.

• Other motors

We would like to introduce a case of "medical-related parts" made by our company, using SUS304-1/2H material. Production is possible in lots of 100 pieces/month or more, and the application is as accessories for medical devices. We carry out mold production (single mold), press processing, barrel finishing, and final inspection. Our company is engaged in transactions with companies that manufacture medical machines, and we produce some components used in medical devices. [Case Overview (Partial)] ■ Material: SUS304-1/2H ■ Thickness: t = 1.0 ■ Size: L = 82mm ■ Lot: Production possible from 100 pieces/month *For more details, please refer to the PDF document or feel free to contact us.

• Other machine elements

We would like to introduce a case of "industrial equipment parts" made by our company, using SECC-CF material. This part is used for a motor cover, with a size of Φ29.8mm and a thickness of t=1.0. After mold production (progressive die) and press processing, cleaning and final inspection are conducted. Our company specializes in processing parts for industrial robots, thin plate processing for motors, and parts used for appearance. 【Case Overview (Partial)】 ■ Material: SECC-CF ■ Thickness: t=1.0 ■ Size: Φ29.8mm and above ■ Lot: 1000 pieces/month and above *For more details, please refer to the PDF document or feel free to contact us.

• Other motors

We would like to introduce a case study of "industrial equipment parts" made by our company using the material Eco Trio ZSNH190. The size is 141.9mm × 160.2mm with a thickness of t = 0.2. It is used for PC hardware-related components. We carry out the entire process from mold production (single mold) to pressing, cleaning, and SUB assembly, followed by final inspection. Please feel free to contact us if you have any requests. 【Case Overview (Partial)】 ■ Material: Eco Trio ZSNH190 ■ Thickness: t = 0.2 ■ Size: 141.9mm × 160.2mm ■ Lot: 5000 pieces/month～ *For more details, please refer to the PDF document or feel free to contact us.

• Other PCs and OA equipment

We would like to introduce a case of "industrial equipment parts" made by our company, using zinc-coated steel plates as the material. The application is for PC hardware-related components. The process includes mold production (single mold), pressing, tapping, washing, and final inspection. In addition to optical components, our company also handles parts for industrial robots, thin plate processing for motors, and parts used for exterior appearances. 【Case Summary (Partial)】 ■ Material: Zinc-coated steel plate ■ Thickness: t = 0.8 ■ Size: 79mm × 28mm ■ Lot: 2500 pieces/month～ *For more details, please refer to the PDF document or feel free to contact us.

• Other PCs and OA equipment

We would like to introduce a case of "camera parts" made from MIRO2 material. The thickness of the plates is t = 0.2 to 0.3, and the size is L = 10.0mm to 35.0mm. The lot size starts from 1000 pieces per month. We carry out mold production (progressive), press processing, and final inspection. Please feel free to contact us if you have any requests. 【Case Overview (Partial)】 ■Material: MIRO2 ■Thickness: t = 0.2 to 0.3 ■Size: L = 10.0mm to 35.0mm ■Lot: 1000 pieces per month or more *For more details, please refer to the PDF document or feel free to contact us.

• Color camera

We would like to introduce an example of "camera parts" produced by our company, with a lot size of 1000 pieces/month or more. After mold production (progressive) and press processing, final inspection is conducted. These parts are used in camera flash components. The sizes range from L = 10.0mm to 35.0mm, with thicknesses of t = 0.2 to 0.3. Please feel free to contact us if you have any requests. 【Example Overview (Partial)】 ■ Material: MIRO2 ■ Thickness: t = 0.2 to 0.3 ■ Size: L = 10.0mm to 35.0mm ■ Lot: 1000 pieces/month or more *For more details, please refer to the PDF document or feel free to contact us.

• Color camera

We would like to introduce a case of "camera parts" produced by our company, with a lot size of 10,000 pieces per month. The application is for camera flash components, made of MIRO2 material. The thickness is between 0.2mm and 0.3mm, and the size ranges from 10.0mm to 35.0mm. We handle everything from mold production (progressive die) to pressing and final inspection. Please feel free to contact us if you have any inquiries. 【Case Overview (Partial)】 ■ Material: MIRO2 ■ Thickness: t = 0.2mm - 0.3mm ■ Size: L = 10.0mm - 35.0mm ■ Lot Size: 10,000 pieces/month or more *For more details, please refer to the PDF document or feel free to contact us.

• Color camera

We would like to introduce a case of "optical industry parts" made from SUS material by our company. We carry out mold production (progressive, single stroke), press processing, lubrication painting, and final inspection. The lot size starts from 100 pieces per month, with a maximum size of 100mm. Please feel free to contact us if you have any requests. 【Case Overview (Partial)】 ■ Material: SUS ■ Thickness: t = 0.5 to 1.0mm ■ Size: MAX 100mm ■ Lot: 100 pieces/month～ *For more details, please refer to the PDF document or feel free to contact us.

• Other optical parts

We would like to introduce a case of "optical industry parts" made by our company using A5052 material. The application is for components around camera lenses, with a size of MaxΦ46.0mm. The thickness is t=0.5 to 0.8, and the lot size is 5000 pieces/month or more. Please feel free to contact us if you have any requests. 【Case Overview (Partial)】 ■Material: A5052 ■Thickness: t=0.5 to 0.8 ■Size: MaxΦ46.0mm ■Lot: 5000 pieces/month or more *For more details, please refer to the PDF document or feel free to contact us.

• Other optical parts

We would like to introduce a case study of "optical industry parts" made by our company using SK-5 material. The production lot is from 60,000 pieces per month, and the application is for components around camera lenses. After mold production (progressive die) and press processing, lubrication coating and final inspection are conducted. Our company has a production system in place for approximately 1,000 to 100,000 pieces per month. Please feel free to contact us if you have any requests. 【Case Overview (Partial)】 ■ Material: SK-5 ■ Thickness: t = 0.06 ■ Size: 20.0mm × 25.0mm ■ Lot: 60,000 pieces/month～ *For more details, please refer to the PDF document or feel free to contact us.

• Other optical parts

We would like to introduce a case of "optical industry parts" made by our company, using materials C2801/C5191/A5052. The lot size starts from 3000 pieces per month and can be used for components around camera lenses. After mold production (single mold) and pressing, we conduct cleaning and final inspection. Please feel free to contact us if you have any requests. 【Case Overview (Partial)】 ■Material: C2801/C5191/A5052 ■Thickness: t = 0.02 to 0.5 ■Size: Max Φ65.0mm ■Lot: 3000 pieces/month or more *For more details, please refer to the PDF document or feel free to contact us.

• Other optical parts

We would like to introduce a case of "optical industry parts" made by our company, using SUS430CP material. The application is for components around camera lenses, with a thickness of t = 0.8 to 1.0 and a size of MaxΦ52.0mm. Our company continues to engage in direct transactions with major primary manufacturers, producing parts for cameras and reflective umbrellas. Please feel free to contact us if you have any requests. 【Case Overview (Partial)】 ■Material: SUS430CP ■Thickness: t = 0.8 to 1.0 ■Size: MaxΦ52.0mm ■Lot: 5000 pieces/month～ *For more details, please refer to the PDF document or feel free to contact us.

• Other optical parts

We would like to introduce a case of "optical industry parts" made by our company, using materials SPCC-4B/SUS430CP. After manufacturing the mold (progressive/single type), we perform stamping, chamfering, tapping, barrel polishing, lubrication painting, and final inspection. The thickness of the plate is t = 0.8, and the size is LMax = 65.0mm. Please feel free to contact us if you have any requests. 【Case Overview (Partial)】 ■Material: SPCC-4B/SUS430CP ■Thickness: t = 0.8 ■Size: LMax = 65.0mm ■Lot: 5000 pieces/month～ *For more details, please refer to the PDF document or feel free to contact us.

• Other optical parts

We would like to introduce our "laminated motor cores." At our company, we manufacture motor cores using a riveting method, which improves motor characteristics as the laminated plates become thinner. The core (iron core) is the pathway for magnetic flux, and laminated cores are used in rotor iron cores that make up the armature circuit, utilizing the characteristic of changing magnetic flux with rotation. Please feel free to contact us when you need assistance. 【Riveting Method】 ■ A method of joining two or more parts by riveting and pressing ■ The processes after pressing can be automated ■ Can be supplied at a lower cost compared to other methods ■ Applications: for robots, automobiles, and medical devices *For more details, please refer to the related links or feel free to contact us.

• Other motors

We would like to introduce some product examples handled by Mitsuwa Seiki Seisakusho. Our company continues to engage in direct transactions with major primary manufacturers, producing parts for cameras and reflective umbrellas. As needed, we perform secondary processing such as tapping screw holes, chamfering, plating, and painting before delivering to our customers. In addition to optical components, we also handle parts for industrial robots, thin plate processing for motors, and components used in exterior appearances. 【Product Examples】 ■ Optical industry components ■ Camera parts (reflectors, reflective umbrellas) ■ Industrial equipment parts ■ Medical-related components *For more details, please refer to the PDF document or feel free to contact us.

• Contract manufacturing

At Mitsuwa Seiki Seisakusho, we utilize precision press processing and riveting technology to manufacture laminated motor core components. Our specialty lies in mass production using laminated progressive dies, with a monthly output of over 10,000 units. However, we also accept prototype and development projects, and we focus on mold production with an eye toward mass production during the prototyping and development phases. We also accept prototypes of metal parts for stepping motors, so please feel free to consult us even if it is not for mass production. 【Product Examples (Excerpt)】 ■ Motor core for automotive use (Material: 35H360) ■ Motor core for health equipment (Material: 50H470) ■ Motor core for automatic opening and closing doors (Material: 35H360) *For more details, please refer to the PDF document or feel free to contact us.

• Other motors

Mitsuwa Seiki Manufacturing Co., Ltd. has consistently focused on precision press mold manufacturing and press processing since its establishment. We mainly produce precision press-formed products for optical manufacturers, and we also accept prototypes for parts of industrial equipment and various motor core components. Please feel free to contact us if you have any requests. 【Business Items】 ■ Design and manufacturing of precision press molds and jigs ■ Design and manufacturing of core progressive laminated molds for precision small motors ■ Design and manufacturing of progressive molds ■ High-precision underwater wire-cut electrical discharge machining and prototyping ■ Precision press processing and milling, etc. *For more details, please download the PDF or feel free to contact us.

• Processing Contract