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Plastic processing Product List and Ranking from 7 Manufacturers, Suppliers and Companies

Last Updated： Aggregation Period:Dec 24, 2025～Jan 20, 2026
This ranking is based on the number of page views on our site.

Plastic processing Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Dec 24, 2025～Jan 20, 2026
This ranking is based on the number of page views on our site.

  1. ミヤマ精工 Aichi//Manufacturing and processing contract
  2. 荒木技研工業 Kanagawa//Industrial Machinery
  3. ネツレン　高周波熱錬株式会社 Tokyo//Machine elements and parts
  4. コーリツ Aichi//Machine elements and parts
  5. 5 ナカムラマジック 本社・伊那工場 Nagano//Machine elements and parts
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Plastic processing Product ranking

Last Updated： Aggregation Period:Dec 24, 2025～Jan 20, 2026
This ranking is based on the number of page views on our site.

  1. [Development Case] Cold Forging of Fuel Injector Parts (Complex Shaped Products) ミヤマ精工
  2. [Development Case] Pressing of Machined Products <Tensile and Compressive Composite Molding> ミヤマ精工
  3. Beak extension processing "Axis enlargement (R)" ネツレン　高周波熱錬株式会社
  4. Metal Pipe Plastic Processing: Pipe Bar Ring Processing 荒木技研工業
  5. 4 Nakamura Manufacturing Co., Ltd. Business Introduction ナカムラマジック 本社・伊那工場

Plastic processing Product List

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[Development Case] Pressing of Machined Products <Tensile and Compressive Composite Molding>

[Development Case] Pressing of Machined Products <Tensile and Compressive Composite Molding>

A new method for combined tensile and compression molding! Shortening the process by reviewing the processing method.

We would like to introduce a case study on the development of press-formed cutting products. In the conventional product, bulging processing was performed on pipes (after cutting). The developed product underwent deep drawing processing using a transfer press. Additionally, the cost of the developed product is 75 compared to 100 for the conventional product. Please feel free to contact us when you need assistance. 【Development Objectives】 ■ New Method: Tensile and Compression Composite Molding ■ Cost Reduction: Shortening of processes through a review of processing methods ■ Novelty: Elimination of cutting *For more details, please download the PDF or feel free to contact us.

  • Processing Contract

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[Development Case] Cold Forging of Fuel Injector Parts (Complex Shaped Products)

[Development Case] Cold Forging of Fuel Injector Parts (Complex Shaped Products)

Application of penetration methods for small-diameter deep holes! Case study of cold forging of hollow shaft cylindrical products.

We would like to introduce a development case of cold forging of fuel injector parts (complex-shaped products). For general products, cold forging + welding + machining is performed, resulting in a yield of 55%. In the developed product, we implemented a reduction of the machined section by using a through-hole method for small-diameter deep holes, achieving a yield of 79%. 【Development Objectives】 ■ New Method: Application of the through-hole method for small-diameter deep holes ■ Yield Improvement: Reduction of the machined section through the use of small-diameter deep holes ■ Novelty: Cold forging of hollow cylindrical products *For more details, please download the PDF or feel free to contact us.

  • Processing Contract

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Nakamura Manufacturing Co., Ltd. Business Introduction

Nakamura Manufacturing Co., Ltd. Business Introduction

We will continue to impress our customers with our unique technology.

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

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[Processing Example] Reducing cutting through die forming by changing the thickness of the material from machining.

[Processing Example] Reducing cutting through die forming by changing the thickness of the material from machining.

Improved yield through cutting reduction and the ability to reduce the thickness of necessary strength areas enables product lightweighting!

We would like to introduce a case study of Samsung Manufacturing's steel pipe plastic processing technology "Thickness Variation." The thickness variation is achieved through die forming instead of machining, tailored to the product's strength, resulting in reduced cutting. As a result, the elimination of cutting improves yield, and the thickness variation in areas requiring strength allows for product weight reduction. Please feel free to contact us if you have any inquiries. 【Case Overview】 <Goal> ■ Achieve thickness variation tailored to product strength through die forming instead of machining. <Efficiency> ■ The elimination of cutting improves yield, and the thickness variation in areas requiring strength allows for product weight reduction. *For more details, please refer to the PDF document or feel free to contact us.

  • Contract manufacturing
  • Processing Contract

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[Processing Example] Integrated forging and pipe two-body welding to reduce welding risks.

[Processing Example] Integrated forging and pipe two-body welding to reduce welding risks.

Reduction of management man-hours due to welding-free processes, no need for fail-safes! Introducing examples of steel pipe plastic processing technology.

We would like to introduce a case of Samsung's steel pipe plastic processing technology "dissimilar forming." By integrating the two-body welding of forged pipes and reducing welding risks, we can decrease management man-hours and eliminate the need for fail-safes. Please feel free to contact us if you have any inquiries. 【Case Overview】 <Objective> ■ Integrate the two-body welding of forged pipes to reduce welding risks <Effect> ■ Reduction of management man-hours and elimination of the need for fail-safes due to no welding *For more details, please refer to the PDF document or feel free to contact us.

  • Contract manufacturing
  • Processing Contract

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Beak extension processing "Axis enlargement (R)"

Beak extension processing "Axis enlargement (R)"

It is our unique plastic processing technology that can enlarge a part of the axis material. (It can also handle difficult-to-process materials.)

This is a technology that allows for the formation of a flange (creating a bulge on the shaft) through plastic processing without cutting or forging the shaft material. It has been successfully applied in gear pump shafts, intermediate shafts, ball screws, etc. 【Features】 - There is no material loss. (It can also handle difficult-to-machine materials such as titanium.) - Processing time can be significantly reduced compared to cutting processes. - Flanging can be performed on large diameter and long products. (Up to φ70mm, up to L600mm) - Since it is not a hot processing method, CO2 emissions can be significantly reduced.

  • Processing Contract

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Metal Pipe Plastic Processing: Pipe Bar Ring Processing

Metal Pipe Plastic Processing: Pipe Bar Ring Processing

Welding is possible with one-third of the labor compared to conventional welding assembly! There are no welding marks at the joints, allowing fluids to flow smoothly, contributing to improved performance in pressure and flow rate.

Araki Giken Kogyo offers "burring processing." We also develop and sell burring processing machines for general piping applications. This processing directly applies plastic deformation to the branch from the main pipe. As a result, it can be installed more simply than conventional methods. For a "tee joint," which typically requires a total of three welds for one branch, our processing allows for only one weld per branch (1/3 of the welding work). Additionally, the branch section, which traditionally retained residual materials, benefits from our processing's smooth R shape, allowing for smooth flow and avoiding stress concentration, thereby contributing to increased seismic strength. Moreover, our company has been a pioneer in burring processing for 45 years in Japan. Please consult us for difficult processing tasks that may be impossible for other companies. 【Features】 ■ Defect-resistant back wave butt welding is possible (robot welding compatible) ■ Direct plastic processing of the branch from the main pipe ■ Welding can be done with 1/3 of the work compared to conventional welded assemblies (tee joint welding assembly) ■ Smooth R shape ■ Ideal for food and pharmaceutical piping systems due to smooth flow of residual materials! *For more details, please refer to the PDF document or feel free to contact us.

  • Piping Materials

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Kouritsu Co., Ltd. - Flow of Integrated Production 1 - Plastic Processing (Cold Forging)

Kouritsu Co., Ltd. - Flow of Integrated Production 1 - Plastic Processing (Cold Forging)

Utilizing the strengths of a combination of engineering-intensive pressing and cutting processes for mold making.

At Kouritsu Co., Ltd., our plastic processing (cold forging) focuses on process shortening and consolidation through the introduction of FEM analysis software, the adoption of automatic pallet changers, and the utilization of three-dimensional transfer and three-stage forming. We perform precision machining of high-load products using a 1200t press. We are working on optimal mold design through the introduction of FEM analysis software and the realization of near-net shape by shortening development lead times. Additionally, we have achieved a significant reduction in setup time through external setup with the adoption of automatic pallet changers, and we confirm and understand the flow of the metal structure after forging through fiber flow inspection. For more details, please contact us or refer to our catalog.

  • Plastic processing machines (cutting and rolling)
  • Processing Contract

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Plastic processing (cold forging)

Plastic processing (cold forging)

Utilization of three-stage molding! Achieving shortened processes, consolidation, and high productivity.

We would like to introduce the "Plastic Processing (Cold Forging)" of Kouritsu Co., Ltd. Utilizing a process-integrated press with the introduction of a three-stage transfer and the strengths of combined cutting processes for mold making. By implementing CAE analysis software, adopting auto pallet changers, and utilizing three-dimensional transfer and three-stage forming, we achieve process shortening, integration, and high productivity. [Processing Examples] ■ Precision forming of internal splines using a 100t press ■ Forming of stator shaft raw materials using a 1200t press ■ Forming solid round bar materials into hollow raw materials in three stages *For more details, please refer to the PDF materials or feel free to contact us.

  • Processing Contract

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[Processing Example] Integration of welded parts with large diameter differences through shrink and expansion tube forming.

[Processing Example] Integration of welded parts with large diameter differences through shrink and expansion tube forming.

Reduction of the number of parts, stabilization of quality through elimination of welding, and reduction of management man-hours! We will introduce examples of steel pipe plastic processing technology.

We would like to introduce an example of Samsung's steel pipe plastic processing technology "expansion + contraction." Welded components with a large diameter difference are integrated through contraction and expansion pipe forming. This results in a reduction in the number of parts, stabilization of quality due to the absence of welding, and a reduction in management man-hours. Please feel free to contact us if you have any inquiries. 【Case Overview】 <Goal> ■ Integration of welded components with a large diameter difference through contraction and expansion pipe forming <Efforts> ■ Reduction in the number of parts, stabilization of quality due to the absence of welding, and reduction in management man-hours *For more details, please refer to the PDF document or feel free to contact us.

  • Contract manufacturing
  • Processing Contract

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[Processing Example] Reducing cutting through spline tooth machining and compression molding.

[Processing Example] Reducing cutting through spline tooth machining and compression molding.

Improved yield through the elimination of machining! Strength is also increased because the metal flow is not interrupted due to plastic processing.

We would like to introduce a case study of Samsung's steel pipe plastic processing technology, "Spline Forming (Outer Diameter)." By transitioning from spline tooth machining to push forming, we have achieved a reduction in cutting processes. As a result, we have seen improvements in yield due to the elimination of machining, and an increase in strength because the metal flow remains uninterrupted due to plastic processing. Please feel free to contact us if you have any inquiries. 【Case Overview】 <Objective> ■ Reduction of cutting processes by transitioning from spline tooth machining to push forming. <Efficiency> ■ Improved yield due to the elimination of machining, and increased strength as the metal flow remains uninterrupted due to plastic processing. *For more details, please refer to the PDF document or feel free to contact us.

  • Contract manufacturing
  • Processing Contract

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[Magnesium Processing Compatibility Range] Plastic Processing

[Magnesium Processing Compatibility Range] Plastic Processing

Magnesium alloy materials are gaining attention for their labor-saving and lightweight properties! McLough's plastic processing.

We offer magnesium plastic processing. The materials we handle include various types such as pipes, bars, and sheets. The delivery time is approximately 10 to 30 days. Please feel free to consult us when placing an order. 【Target Materials】 ■ Pipes - Drawing, bending, tube shrinking and expanding, ring forming, pressing (pure Mg, AZ31, AZ61, etc.) ■ Bars - Drawing, bending, ring forming, pressing (pure Mg, AZ31, AZ61, etc.) ■ Sheets (rolled materials) - Pressing (AZ31, AZ61, AZ91) *For more details, please refer to the PDF document or feel free to contact us.

  • Processing Contract
  • Other metal materials
  • Other contract services

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