ナカムラマジック List of Products and Services

At Nakamura Seisakusho Co., Ltd., we are capable of precision coining that accurately expresses fine textures and irregularities. We can gather material in detail and in narrow areas, such as for stamped characters. We can supply parts with complex shapes that are difficult to achieve through machining. Please feel free to consult us when you need assistance. 【VA.VE Effect】 ■ Processing of complex-shaped parts that are difficult to achieve through machining ■ Processing that effectively gathers material in detail and narrow areas *For more details, please refer to the PDF document or feel free to contact us.

• Processing Contract
• Contract manufacturing

At Nakamura Seisakusho Co., Ltd., we are capable of shapercut, which combines cutting processing with press processing. We maintain flatness within 30 to 50 μm and form uneven surfaces on a flat plate. During the press processing stage, we perform cutting, and the cut-out sections are then shaped. Please feel free to consult us when you need our services. 【VA.VE Effect】 ■ Incorporating cutting processes into press processing for part manufacturing ■ Increased freedom in part processing *For more details, please refer to the PDF materials or feel free to contact us.

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• Contract manufacturing

At Nakamura Seisakusho Co., Ltd., it is possible to achieve a mirror finish on cross-sections through press processing. We punch out a mirror finish on the press sheared surface. The mirror finish shear amount is 80% of the cross-section, and the roughness of the mirror finish is Ra0.8 or less. Please feel free to consult us when you need our services. 【VA.VE Effect】 ■ Mirror processing without subsequent processes ■ Mirror finish on necessary parts (Ra0.8) ■ Mirror finish on appearance and sliding parts *For more details, please refer to the PDF document or feel free to contact us.

• Processing Contract
• Contract manufacturing

At Nakamura Seisakusho Co., Ltd., we are capable of high-precision cold forging. We create finely detailed convex and concave shapes on flat plates, producing complex geometries that are difficult to machine with stable quality. We can also combine this with other processes such as drawing and bending. Please feel free to consult with us. 【VA.VE Effect】 - Pressing of head parts for dot impact printers - Integration of parts leads to enhanced functionality (magnetic density), high precision, and stable quality *For more details, please refer to the PDF document or feel free to contact us.

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Our company has achieved the press punching of high-hardness amorphous metals, which could only be processed by etching or laser until now. The thickness is over 25μm. At its peak, we had a production record of 60 million pieces per month. It is suitable for applications such as amorphous heads and high-hardness thin belts. 【VA・VE Effect】 ■Mass punching of high-hardness materials with a hardness of over 1,000 Hv ■Punching of thin plates at the 50μm level ■Production record of 60 million pieces per month at its peak *For more details, please refer to the PDF document or feel free to contact us.

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"Precision Compound Drawing" allows for high precision in terms of coaxiality and roundness in parts with special pipe shapes, without the need for machining. It is suitable for components where rotational balance is important. Advanced compound processing combining drawing and other methods is possible. 【VA・VE Effects】 - Pressing of sliding shaft parts made from powder metallurgy - Pressing of high-precision lathe-processed engine parts - Integrated pressing of drawing processing and precision machining of edge parts *For more details, please refer to the PDF materials or feel free to contact us.

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"Precision R-forming" allows for the processing of punched cross-sections into R shapes, enabling the cross-section to have functional properties such as sliding surfaces. Applicable materials include iron, copper, aluminum, stainless steel, etc. It is suitable for spacer parts in HDDs and insertion parts in engine components. 【VA・VE Effects】 ■ Processing punched cross-sections into R shapes to provide functionality as sliding surfaces, etc. ■ Shaping punched cross-sections into pointed gear triangular shapes to provide functionality as paper feeding components. *For more details, please refer to the PDF materials or feel free to contact us.

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Introducing Nakamura Manufacturing's "High-Precision Composite Spring Processing." We can accommodate high-precision dimensions and specified spring pressures. The applicable materials are phosphor bronze and stainless steel. This is suitable for high-end camera mount springs and high-end camera contact springs. 【VA・VE Effects】 ■ Composite spring processing such as V bending, R bending, and drawing processing ■ High-precision composite spring processing with high-precision dimensions and specified spring pressures *For more details, please refer to the PDF document or feel free to contact us.

• Spring
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"Charge blanking" can minimize elongation and breakage as much as possible. It is possible to create blanks with a width narrower than the plate thickness and holes near the edge. It is suitable for dry CVT automotive belts, copper heat dissipation parts for TVs, and high-end camera parts. 【VA・VE Effects】 ■ Minimizes elongation and breakage as much as possible ■ Smooths the cross-section of the punched part *For more details, please refer to the PDF document or feel free to contact us.

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The "taper cut" forms a uniform and straight taper surface on the end face. It allows for angle settings of 45 degrees or more relative to the plate surface. A smooth sliding surface can be formed in the taper section. Applicable materials include iron, copper, aluminum, stainless steel, etc. 【VA・VE Effects】 ■ Elimination of taper forming processing in cutting operations ■ Response to the inability to form tapers in cutting operations ■ Low-cost taper forming *For more details, please refer to the PDF document or feel free to contact us.

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"Precision Axis Molding" enables the formation of an integrated axis with a thickness 1.6 to 3 times that of the plate at any desired position. Both the axis position and diameter are formed with high precision. Applicable materials include brass, iron, copper, aluminum, and stainless steel. 【VA・VE Effects】 - From die-cast manufacturing and machining to press processing for HDD bases - Lightweight and thin design with increased strength - Absolute assurance of airtightness - Axis molding at high precision positions *For more details, please refer to the PDF document or feel free to contact us.

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"Double-sided Dull Forming" creates dullness on both sides to prevent the generation of burrs during pressing. This can help prevent injuries caused by burrs and defects caused by falling burrs. It is suitable for semiconductor heat spreaders and OA parts that dislike burrs. 【VA・VE Effects】 ■ Prevention of injuries caused by burrs ■ Prevention of defects caused by falling burrs ■ Stabilization of quality by eliminating the burr removal process *For more details, please refer to the PDF materials or feel free to contact us.

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We would like to introduce Nakamura Manufacturing's "High-Precision Punching of Non-Metallic Multi-Layer Boards." The applicable materials include rubber and resin, among others. High-precision punching of urethane rubber sheets and multi-layer laminated boards is possible. It is suitable for high-precision punching of printing head cleaning rubber parts, solar cells, and chemical products. 【VA・VE Effects】 ■ High-precision punching of urethane rubber sheets ■ High-precision punching of multi-layer laminated boards *For more details, please refer to the PDF document or feel free to contact us.

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"Aurora Fin" is ultra-fine fin processing. It significantly improves the thermal resistance value per unit volume. It achieves weight reduction with thin fin thickness and thin base thickness. It is suitable for liquid cooling of CPUs, as well as cooling for projectors using laser semiconductors and liquid cooling of power devices. 【VA・VE Effects】 ■ Ultra-fine fin processing ■ Significant improvement in thermal resistance value per unit volume ■ Weight reduction achieved with thin fin thickness and thin base thickness *For more details, please refer to the PDF document or feel free to contact us.

• Other machine elements
• Other electronic parts
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"MAGIC HEAT SINKs" are ultra-fine, ultra-thin, and ultra-lightweight heat sinks created using the Aurora Fin Method. The "Aurora Fin Method" is a technique that enables the mass production of high-performance fine-pitch fins at low cost. Our company continues to tackle the thermal problem needs that are key to technological innovation across various fields through development and manufacturing. 【Features】 ■ Excellent heat dissipation efficiency ■ Compatible with aluminum and copper materials ■ Achieves rapid heat absorption ■ Integrated structure of the base and heat dissipation fins ■ Exhibits high thermal conductivity *For more details, please refer to the PDF materials or feel free to contact us.

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• Contract manufacturing
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The advanced processing methods that have continued to evolve over many years have supported the birth of many products. Nakamura MAGIC's high-performance heat dissipation and cooling parts manufacturing technology, "MAGIC HEAT SINKs," has supported numerous technological innovations. Currently, challenges for the future are underway. In 2005, we succeeded in the continuous molding of the fine fins "Aurora Fin" for semiconductor cooling parts, achieving the manufacturing of high-performance ultra-compact heat dissipation and cooling components. Even now, we are backing up technologies in various fields. 【Fields Under Research and Development】 ■ Aircraft Industry - Joint development of engine oil coolers and other components with aircraft manufacturers. ■ Space Research and Development - Advancing component development research for space solar power generation systems in collaboration with JAXA. *For more details, please refer to the PDF document or feel free to contact us.

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• Contract manufacturing
• others

Nakamura Seisakusho Co., Ltd. is a super supplier of metal press processed parts that provides high-value-added components that customers around the world desire in their development sites. Our innovative processing methods, which go beyond traditional press processing, support the creation of high-precision and high-difficulty products, delivering numerous surprises and emotions, known as Nakamura Magic. Nakamura's unique magical technology contributes to the development of our customers. In our comprehensive catalog of metal processing technology, we feature numerous techniques, including "Precision Coining," which supported the development of S Company's mini printer; "End Wrap," which backs the high precision and performance of cameras; and "Shaper Cut and Precision Cold Forging," which supported high-performance parts for E Company's dot impact printer. [Processing Technologies] - Precision Coining - End Wrap - Shaper Cut and Precision Cold Forging - High-Precision Springs - Amorphous Metal Punching, etc. For more details, please contact us or download the catalog.

• Processing Contract

Time Stamping "Micro Solid" allows for the securing of many fins within a small area and enables easy processing of materials with excellent heat dissipation properties. Our mission through time stamping is to always stay attuned to current industry trends and emerging technological fields, delivering advanced plastic processing that goes beyond traditional press methods in a timely manner. With the intention of developing methods that can meet any customer’s needs in any era, we at Nakamura Seisakusho Co., Ltd. collectively refer to our unique advanced pressing technology as "Time Stamping." 【Features】 - It is a monolithic shape, eliminating the need for assembly processes such as riveting or attaching. - Compared to other methods, it has high productivity. For more details, please contact us or download the catalog.

• Processing Contract

Time Stamping "CT Escargot" maximizes the reduction of thermal resistance from the chip by integrally molding heat dissipation fins into conventional cavity-type heat sinks, allowing for efficient direct heat dissipation. Our mission through time stamping is to constantly keep our antennae attuned to current industry trends and unknown technological fields, delivering advanced plastic processing that transcends the boundaries of press methods in a timely manner. With the intention of developing methods that can meet any customer demands in any era, we at Nakamura Seisakusho Co., Ltd. refer to our unique advanced press technology collectively as "Time Stamping." 【Features】 ○ Materials: Cu, AL, SPC, etc. ○ Thickness: 3mm or less (however, internal machine capability needs to be considered) For more details, please contact us or download the catalog.

• Processing Contract

Time stamping "Gyro Integration" allows for the efficient production and supply of heat dissipation components that were traditionally manufactured through machining, extrusion, and forging, using pressing techniques. Our mission through time stamping is to constantly stay attuned to current industry trends and explore unknown technological fields, delivering advanced plastic processing that transcends the boundaries of pressing methods in a timely manner. With the intention of developing manufacturing methods that can meet the demands of customers in any era, we at Nakamura Seisakusho Co., Ltd. refer to our unique advanced pressing technology collectively as "Time Stamping." 【Features】 - In addition to aluminum, copper materials with excellent heat dissipation properties are also available, allowing for selection of heat dissipation effects. - Compared to other processing methods, it offers high productivity and significant cost reductions. For more details, please contact us or download the catalog.

• Processing Contract

Time stamping "Net Slider" forms a tapered surface with a distance on the end face. Our mission through time stamping is to continuously monitor current industry trends and keep an eye on unknown technological fields, delivering advanced plastic processing that goes beyond the framework of press methods in a timely manner. With the intention of developing methods that can meet the needs of any customer in any era, we at Nakamura Seisakusho Co., Ltd. refer to our unique advanced press technology collectively as "Time Stamping." 【Features】 ○ Can achieve a thin tip, enhancing magnetic properties ○ Allows for arbitrary angle settings ○ Capable of non-linear shapes For more details, please contact us or download the catalog.

• Processing Contract

Time stamping "FF cut" precisely punches materials such as rubber, resin, and film, as well as chemical products and laminated sheets. Our mission through time stamping is to constantly keep an eye on current industry trends and unknown technological fields, delivering advanced plastic processing that goes beyond the framework of press methods in a timely manner. With the intention of developing methods that can meet the needs of customers in any era, we at Nakamura Seisakusho Co., Ltd. refer to our unique advanced pressing technology collectively as "time stamping." 【Features】 ○ For laminated components, the influence of adhesives is significant, so initial discussions are necessary. For more details, please contact us or download the catalog.

• Processing Contract

Time stamping "Cold Express" guarantees high precision and provides various high-precision heat dissipation parts, which were traditionally manufactured through machining and etching, at a low cost using pressing. Our mission through time stamping is to constantly stay attuned to current industry trends and explore unknown technological fields, delivering advanced plastic processing that transcends the boundaries of pressing methods in a timely manner. With the intention of developing manufacturing methods that can meet the needs of any customer in any era, we at Nakamura Seisakusho Co., Ltd. collectively refer to our unique advanced pressing technology as "Time Stamping." 【Features】 ○ Finished flatness of 30um, resulting in increased adhesion and significant heat dissipation effects. ○ Higher productivity compared to other methods such as etching, enabling cost reduction. For more details, please contact us or download the catalog.

• Processing Contract

Time Stamping "High Precision Springs" processes high precision springs that cannot be guaranteed through multi-forming and other methods by utilizing presses. Our mission through time stamping is to constantly stay attuned to current industry trends and unknown technological fields, delivering advanced plastic processing that transcends the boundaries of press methods in a timely manner. With the intention of developing processing methods that can meet any customer demands in any era, we at Nakamura Seisakusho Co., Ltd. collectively refer to our unique advanced press technology as "Time Stamping." 【Features】 ○ By combining V-bending, R-bending, and drawing processes, design flexibility is expanded and cost reduction can be achieved. For more details, please contact us or download the catalog.

• Processing Contract

Time Stamping "Mountain Forming" allows for the erection of multiple axes at any position. Our mission, imposed through time stamping, is to continuously monitor current industry trends and keep our antennas tuned to unknown technological fields, delivering advanced plastic processing that transcends the boundaries of press methods in a timely manner. With the intention of developing methods that can meet the needs of any customer in any era, and to provide stamping processed products in a timely manner, Nakamura Seisakusho Co., Ltd. collectively refers to its unique advanced press technology as "Time Stamping." 【Features】 ○ High precision in axis spacing and other positions ○ Hollow structure for significant heat dissipation ○ Can replace die casting ○ Cost reduction possible as riveted axes, press-fitting, and spot welding are unnecessary For more details, please contact us or download the catalog.

• Processing Contract

Time stamping "Shaper Cut" has a longer die life than FB and uses less material, allowing for a reduction in total costs. Our mission through time stamping is to always stay attuned to current industry trends and explore unknown technological fields, delivering advanced plastic processing that goes beyond the boundaries of press methods in a timely manner. With the intention of developing methods that can meet any customer demands at any time, we at Nakamura Seisakusho Co., Ltd. collectively refer to our unique advanced press technology as "Time Stamping." 【Features】 ○ Increased precision, strength, and magnetic properties due to integrated molding ○ No need for rivet shafts, press-fitting, or spot welding ○ Longer die life than FB and less material usage, allowing for total cost reduction ○ Minimal capital investment required as general press machines are used For more details, please contact us or download the catalog.

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Time Stamping "Charge Blanking" is performed using general presses with processing equal to or greater than fine blanking in terms of precision, processing conditions, die life, and product cost. Our mission through Time Stamping is to always stay attuned to current industry trends and explore unknown technological fields, delivering advanced plastic processing that transcends the boundaries of press methods in a timely manner. With the intention of developing methods that can meet the needs of any customer in any era, we at Nakamura Seisakusho Co., Ltd. collectively refer to our unique advanced press technology as "Time Stamping." 【Features】 ○ Materials: SPC, brass, aluminum, stainless steel, super duralumin, and compatible with most materials including those with low elongation. ○ Thickness: 2.5mm or less (however, internal machining capabilities need to be considered) For more details, please contact us or download the catalog.

• Processing Contract

Time Stamping "Precision Drawing" creates the dynamic balance of rotating bodies without machining. Our mission through time stamping is to always stay attuned to current industry trends and unknown technological fields, delivering advanced plastic processing that goes beyond the boundaries of press methods in a timely manner. With the intention of developing methods that can meet the needs of any customer in any era, we at Nakamura Seisakusho Co., Ltd. refer to our unique advanced press technology collectively as "Time Stamping." 【Features】 ○ Materials: SPC, pure iron, copper, SUS, permalloy, kovar, etc. ○ Thickness: from 0.15 to 2.0 mm ○ High-precision finishing of edge waviness caused by anisotropy in drawing → No machining required ○ It is possible to reduce the R at the outer bottom to about 0.3 mm due to drawing. For more details, please contact us or download the catalog.

• Processing Contract

Time Stamping "Amorphous Metal Stamping" processes cobalt-based amorphous metals (HV1000-1300) with high precision and in large quantities using high-speed presses. Our mission through time stamping is to constantly keep our antennae tuned to the trends of the current industrial world and to unknown technological fields, delivering advanced plastic processing that transcends the boundaries of press methods in a timely manner. With the intention of developing methods that can meet the needs of customers in any era, we at Nakamura Seisakusho Co., Ltd. refer to our unique advanced press technology collectively as "Time Stamping." 【Features】 ○ By producing high-hardness amorphous metals through press stamping, significant cost reductions are possible. For more details, please contact us or download the catalog.

• Processing Contract

Time Stamping "Precision Coining" provides parts with complex shapes that are difficult to machine, with stable accuracy. Our mission through Time Stamping is to always stay attuned to current industry trends and emerging technological fields, delivering advanced plastic processing that goes beyond traditional press methods in a timely manner. With the intention of developing manufacturing methods that can meet the demands of any customer in any era, we at Nakamura Seisakusho Co., Ltd. refer to our unique advanced pressing technology collectively as "Time Stamping." 【Features】 - Combination with other processes such as drawing and bending is possible. - By replacing parts made through forging, lost wax, die casting, etc., cost reduction can be achieved. For more details, please contact us or download the catalog.

• Processing Contract

Time Stamping "Precision Cold Forging" supplies high-precision parts that were traditionally produced through machining, die casting, lost wax, etc., using presses. Our mission through Time Stamping is to constantly stay attuned to current industry trends and unknown technological fields, delivering advanced plastic processing that transcends the boundaries of press methods in a timely manner. With the intention of developing methods that can meet the needs of any customer in any era, we at Nakamura Seisakusho Co., Ltd. refer to our unique advanced press technology collectively as "Time Stamping." 【Features】 ○ Materials: Pure iron, SPC, copper, aluminum, etc. ○ Materials are crafted from flat plates rather than rod shapes (can be processed with a thickness of 3mm or less) ○ To emphasize precision, it is limited to relatively small parts ○ Technical meetings are required at the initial stage For more details, please contact us or download the catalog.

• Processing Contract

Time Stamping "Three-Quarter" eliminates separate axis riveting, spot welding, and other methods on product end faces. Our mission through Time Stamping is to always stay attuned to current industry trends and emerging technological fields, delivering advanced plastic processing that transcends traditional press methods in a timely manner. With the intention of developing methods that can meet any customer's needs in any era, we at Nakamura Seisakusho Co., Ltd. collectively refer to our unique advanced pressing technology as "Time Stamping." 【Features】 ○ No need for riveting axes, spot welding, or press-fitting For more details, please contact us or download the catalog.

• Processing Contract

Time stamping "R molding" adds functionality to the press cross-section. Not limited to R molding, shapes such as taper and trapezoid are possible. Our mission through time stamping is to always stay attuned to current industry trends and explore unknown technological fields, delivering advanced plastic processing that transcends the boundaries of press methods in a timely manner. With the intention of developing methods that can meet the needs of customers in any era, we at Nakamura Seisakusho Co., Ltd. refer to our unique advanced press technology collectively as "time stamping." 【Features】 ○ Materials: SPC, brass, copper, SUS, etc. ○ Thickness: 2.5mm or less, thicker materials are also acceptable → However, internal machining capabilities need to be considered ○ Possible R molded shapes: R shapes, taper shapes. Other shapes require consultation ○ Adopting only the necessary minimum parts (where used) offers cost advantages For more details, please contact us or download the catalog.

• Processing Contract

Time stamping "End Wrap" punches the press center cross-section into a mirror finish. Our mission through time stamping is to always stay attuned to current trends in the industry and to explore unknown technological fields, delivering advanced plastic processing that goes beyond conventional press methods in a timely manner. With the intention of developing methods that can meet the needs of any customer in any era, we at Nakamura Seisakusho Co., Ltd. collectively refer to our unique advanced press technology as "Time Stamping." 【Features】 ○ Materials: SPC, brass, copper, aluminum, super duralumin, some SUS ○ Shear amount over 80%, punch surface roughness Ry1.5 guaranteed ○ Thickness: up to 2.5mm, thicker materials are also acceptable (however, internal machining capability needs to be considered) ○ Punch shapes are not an issue as long as they are designed as standard press parts ○ Adopting the necessary minimum parts (where they will be used) offers cost advantages For more details, please contact us or download the catalog.

• Processing Contract

Through time stamping, our mission is to always stay attuned to current industry trends and emerging technological fields, delivering advanced plastic processing that goes beyond the framework of press methods in a timely manner. With the intention of developing methods that can meet the needs of any customer in any era, we at Nakamura Seisakusho Co., Ltd. refer to our unique advanced press technology collectively as "Time Stamping." 【Product Lineup】 ○ End Wrap ○ Arc Forming ○ Three-Quarter ○ Precision Cold Forging ○ Precision Coining For more details, please contact us or download the catalog.

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The "Magic Heat Sink" is the culmination of Nakamura Seisakusho's ongoing "Press Processing Evolution Theory." It has been realized through "Aurora Fin," which is born from a new manufacturing method that enables ultra-compact, thin, and lightweight designs. It is flexible and adaptable, accommodating various products. 【Features】 ■ Ultra-compact, thin, and lightweight ■ Customizable ■ Improved resource productivity ■ Maintains equivalent performance with a 60% reduction in weight *For more details, please refer to the PDF materials or feel free to contact us.

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Nakamura Seisakusho Co., Ltd. has consistently focused on the production of metal parts using our uniquely developed press die technology since our founding in 1962. Thanks to this, our refined and unique technology has received high praise from many customers, who have adopted it, as it far exceeds the conventional wisdom of plastic processing. We are sincerely grateful for this recognition. The technology we have developed is characterized by its ability to produce metal parts that were previously only possible through machining, or were difficult to manufacture even with machining, while maintaining high quality. As a result, we have achieved energy and resource savings, and we take pride in being a truly "environmentally friendly" technology that is indispensable in the 21st century. We will continue to create unique technologies and inspire more customers. We believe this is our mission. We appreciate your continued support. 【Main Business】 ○ Metal Plastic Processing Business → Precision mold design and manufacturing, precision press parts processing ○ Precision Product Assembly Business → Integrated assembly of advanced technology products and press parts For more details, please contact us or download our catalog.

• Processing Contract