Last Updated： Aggregation Period:Feb 04, 2026～Mar 03, 2026
This ranking is based on the number of page views on our site.
Last Updated： Aggregation Period:Feb 04, 2026～Mar 03, 2026
This ranking is based on the number of page views on our site.
Last Updated： Aggregation Period:Feb 04, 2026～Mar 03, 2026
This ranking is based on the number of page views on our site.
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Improvement of accuracy and speed in mold design, and simplification of modeling work.
Consistent, completely paperless mold manufacturing up to the final finishing process.
Molds for recycled products, too, are Ascon!! We handle everything consistently from planning.
We have also been working on recycling, which has gained attention due to global warming. In particular, we have a significant track record in molds that reprocess plastic waste.
Numerous achievements in automotive components and automotive electrical parts, such as lenses for head-up displays! Mold design and mock-up production using resin flow analysis are also possible!
Mold design and manufacturing for resin and plastic products using resin flow analysis is possible! We excel not only in molds but also in ultra-precision processing such as plastic molding, electrical discharge machining, and cutting. We have numerous achievements in automotive parts and automotive electrical components, including lenses for head-up displays! We specialize in complex three-dimensional shapes related to housings, and we also reliably and swiftly handle the design and manufacturing of engineering plastic molds, automotive plastic parts molds, and plastic molds for home appliances and office equipment. 【Supported Fields】 ■ Computer and communication equipment ■ Automotive ■ Hobby products ■ Daily necessities *For more details, please download the PDF or feel free to contact us.
It is a beryllium copper pressure casting mold!
We have researched and improved our unique pressure casting method over many years, and have further developed advanced special casting methods. Primarily used for plastic injection molding molds, we are confident that this will greatly benefit users by rationalizing mold production, improving quality, and shortening molding cycles.
This is a precision RC plus alloy mold made of beryllium copper, zinc alloy, and iron-based materials!
We manufacture cavities and cores for molds used primarily in plastic injection molding, blow molding, compression molding, and rubber molding through a unique precision casting method using special ceramic molds developed in-house. We are confident that this manufacturing method is particularly suitable for complex shapes, irregular parts, and products with undercuts.
![[Data] Aluminum alloy mold for injection molding treated with hard iron plating.](https://image.www.ipros.com/public/product/image/5fd/2000542686/IPROS77151786259826599337.png?w=280&h=280)
It's possible to shorten the product development schedule! Why not challenge yourself to reduce lead times and costs with molds?
This document introduces the "hard iron plating treatment for aluminum alloy molds for injection molding" by Japan Platech Co., Ltd. By applying a thin film of hard iron plating to aluminum alloy molds, it is possible to shorten product development schedules and reduce injection molding cycle times. This allows for shorter delivery times for molds and lower costs. If you already have aluminum alloy molds, it is also possible to apply plating treatment to them. Please feel free to consult us. 【Contents】 ■ Would you like to challenge shortening delivery times and reducing costs with molds? ■ Surface treatment using hard iron plating on aluminum alloys ■ Features of aluminum alloy molds for injection molding with hard iron plating ■ Molding tests using aluminum alloy molds with hard iron plating ■ Comparison of aluminum alloy molds and steel molds through cooling analysis *For more details, please refer to the PDF document or feel free to contact us.
From design, planning, and engineering to manufacturing centered around plastic! We bring ideas to life.
PM Office A Co., Ltd. conducts orders, mold design, and processing for a wide variety of mass-produced and prototype plastic products. All mold parts are measured and followed up with trials to ensure quality. Additionally, we offer a comprehensive service from planning to design, manufacturing, and packaging for original goods, figures, and plastic models, including illustration production, prototype creation, product planning, and package design. 【Business Items】 ■ Design and manufacturing of molds ■ Plastic molding and press processing ■ Consulting services related to management rationalization, etc. ■ Manufacturing and sales of plastic products ■ Planning, development, manufacturing, and sales of toys, figures, plastic models, and goods ■ Operation of shops for toys, figures, plastic models, and goods *For more details, please refer to the PDF document or feel free to contact us.
It is a specialized group based on a cooperative system!
When creating molds, which are essential for plastic molding, it is necessary to exercise the utmost care and foresight before production.
Nancloud Manufacturing's products are custom-made, one by one! If you have any issues with precision mold part processing services or precision mold design services, please leave it to us.
The products of Nagumo Manufacturing are all custom-made. Our technical department takes the lead in conducting experiments and investigations in response to the issues raised by our customers. Based on the information obtained from this, we carry out prototypes and trial runs, allowing us to make proposals from the customer's perspective. Additionally, we aim to transform our customers' "impossible" into "possible" by utilizing the know-how accumulated from such information to solve their problems. 【Business Content】 ■ Lead frame molds (design and manufacturing) ■ Trim & forming molds (design and manufacturing) ■ Insert mold molds (design molds), various molds (design and manufacturing) ■ Ultra-hard alloy high-precision cutting processing ■ Processing of various parts and components, special press processing *For more details, please download the catalog or feel free to contact us.
If you're looking for a mold manufacturer that can have a long-term relationship, contact Nagumo Manufacturing Co., Ltd.
● The current mold shop is concerning due to the absence of successors. ● I am looking for a mold shop with well-equipped facilities. ● I am searching for a mold shop with designers who can provide various consultations. To those in charge who have such concerns: ◎ We are celebrating our 73rd year since establishment and aim to become a 100-year company. ◎ We update our processing machines and measuring instruments with an annual investment of 100 million yen. ◎ Designers in our technical department will work closely with customers to solve problems.
If you are looking for a supplier of molds, please contact Nagumo Seisakusho Co., Ltd.
● The mold supplier we have been dealing with has withdrawn from the business, and we can no longer obtain molds. ● To mitigate risk, we would like to shift from purchasing from one company to two companies. ● We would like to try other mold manufacturers as well. ...To those in charge who have such concerns: ◎ For press molds, we can accommodate both "design and manufacturing by our company" and "manufacturing based on provided drawings." ◎ As a mold supplier, we provide molds that reduce the burden on our customers.
![[Precision Mold Design and Parts Processing Case] Punching of Fiber Materials](https://image.www.ipros.com/public/product/image/35c/2000593612/IPROS15646106155092654825.png?w=280&h=280)
Design and manufacturing are possible with a clearance of 0.003mm! Processing of new materials such as thin foil and high-strength fibers is also possible.
A consultation was received from an automotive parts manufacturer, stating that they could not punch out fiber materials with molds from other companies, resulting in poor productivity, and they wanted to process with their own molds. In response, we proposed a minimal clearance of 0.003mm and improvements in mold structure and component accuracy. As a result, we were able to punch out the Vectran fiber material (t=0.05mm) due to the difference in clearance. [Case Overview] ■ Customer Industry: Automotive Parts Manufacturer ■ Consultation Content: Unable to punch out fiber materials with molds from other companies ■ Proposed Solution: Minimal clearance of 0.003mm ■ Technology Used: Improvements in mold structure and component accuracy *For more details, please refer to the PDF document or feel free to contact us.
![Press molds [Precision mold design and parts processing examples] Reduction of product burrs](https://image.www.ipros.com/public/product/image/578/2000593614/IPROS00702503970914089870.png?w=280&h=280)
Eliminate burrs through mold manufacturing that meets the product requirements sought by customers! Introducing a case study from an electronic components manufacturer.
When extracting thin products, it is necessary to set a significantly narrow punch-die clearance, but it is difficult to reliably achieve the set clearance in tolerance design. However, our company designs components from the design stage to realize narrow clearances, so we can custom-manufacture both fabricated and purchased parts. As a result, we can produce molds that meet the required specifications for the products our customers seek. 【Case Overview】 ■ Customer Industry: Electronic Component Manufacturer ■ Consultation Content: Desire to cut thin products sharply ■ Proposed Solution: Ultra-narrow clearance punching mold ■ Technology Used: Improvement of mold structure and component precision ■ Outcome: Eliminated previously unresolved punching burrs *For more details, please refer to the PDF document or feel free to contact us.
![Press Mold [Precision Mold Case] Reduction of Chocolate Stops by Implementing Measures Against Scrap Rise](https://image.www.ipros.com/public/product/image/cf9/2000726527/IPROS16314617492722742579.png?w=280&h=280)
Introducing examples of parts processing technology using ±2μm precision achieved through the introduction of new processing machines!
At Nagumo Manufacturing, we prevent scrap accumulation and improve productivity by setting appropriate clearances, ensuring machining accuracy, and utilizing adjustment techniques to reduce downtime. We addressed the challenges faced by automotive parts manufacturers who were troubled by frequent downtime due to scrap accumulation. Our company implemented measures against scrap accumulation for these manufacturers. The average occurrence of scrap accumulation, which was happening 9 times a day, was improved to 0, resulting in a reduction in downtime and a significant increase in factory productivity. 【Overview】 ■ Customer Industry: Automotive parts manufacturing ■ Inquiry Details: Frequent scrap accumulation during press processing, causing machine stoppages and inefficiency ■ Proposed Solution: Recommendations for appropriate clearances and changes in part shapes ■ Technology Used: Introduction of a new processing machine for part machining with ±2μm precision ■ Results: Increased productivity *For more details, please refer to the PDF document or feel free to contact us.
![Press Die [Precision Die Parts Processing Example] Precision Machining Technology and Quality Assurance](https://image.www.ipros.com/public/product/image/59d/2000726537/IPROS20785882145549294241.png?w=280&h=280)
Guaranteed with submicron order shape measurement! We will provide quality assurance in line with the improvement of precision machining technology.
We would like to introduce a case where a manufacturer of automotive parts solved their challenges by introducing a new machining center and wire electrical discharge machine. The manufacturer was facing issues such as "despite producing punches and dies through three-dimensional machining to accommodate the miniaturization and complexity of products, they were unable to create high-precision products," and "not only were defects occurring, but conventional measuring instruments were insufficient for shape measurement, making it impossible to guarantee accuracy." To address this, they ensured shape measurement that could not be achieved with traditional contact-type tracers by using a laser microscope. 【Overview】 ■ Customer's industry: Automotive parts manufacturing ■ Processing technology: Parts can be processed with an accuracy of ±2μm using the new machining center and wire electrical discharge machine ■ Quality assurance: Introduced three-dimensional measuring instruments (from Mitutoyo, OGP, TESA) and a laser microscope (from KEYENCE) to guarantee shape measurement in the sub-micron order *For more details, please refer to the PDF document or feel free to contact us.
In the mold shop column, we will continuously share various topics about molds! (We also publish the mold shop column on our company Instagram.)
In the previous column, I introduced that there are mainly three types of press molds, focusing on the single-stage mold. In this column, I will introduce the progressive mold! A progressive mold refers to a type that incorporates multiple processing methods, such as punching, bending, and drawing, into a single mold. This processing method sends the material to the next stage with each press, shaping the product. The material used is typically in a rolled form (coil material) and is automatically fed to the next stage. The advantages include improved production efficiency and stable quality due to automation, as well as the ability to perform more complex processing than single-stage molds since multiple processes can be incorporated. On the other hand, a disadvantage is that the mold design and manufacturing are more complex compared to single-stage molds, making the cost of mold production relatively high. Additionally, there is a possibility of the "boat bottom phenomenon," where a shift occurs at the tip of the product. (I plan to cover the "boat bottom phenomenon" and "shift" in a future column!) Products suitable for progressive molds are those that require mass production or complex processing. In the next column, I will explain the "transfer mold"!
In the mold shop column, we will be sharing various topics about molds from time to time! (We also publish the mold shop column on our Instagram.)
In this column, I will introduce the "boat bottom phenomenon"! When you want to punch out terminal shapes like those in the icon, processing each pitch as shown in Figure A results in a smaller area being held down during the punching process. This can lead to the stripper plate being unable to hold the product securely in the narrower areas, causing it to tilt due to the force of the punch coming down. This is known as the boat bottom phenomenon. The product that has tilted ends up resembling a boat bottom, hence the name. To avoid this, while changes in layout are necessary, one possible solution is to use a multiple pitch feed as shown in Figure B. In the case of multiple pitch feeding, a single group is punched out at once (all punches come down simultaneously), leaving no room for the product to tip over, thus preventing such issues. However, on the other hand, this will reduce the spacing between the dies, which raises concerns about the strength of the dies. It is necessary to determine specifications based on strength calculations.
I have summarized the basic content regarding the impact of clearance discrepancies due to board thickness differences and the reduction of running costs achieved through uniform clearance.
Clearance (CL) refers to the gap between the punch and die of a mold. CL is set at 4-7% of the material thickness. The range of 4-7% is determined by the thickness of the material. In the PDF materials, we introduce: - Examples of clearance settings by material thickness: t=0.1mm / t=0.05mm / t=2.0mm - The impact of uneven clearance based on material thickness - The benefits of achieving uniform clearance Table of contents: - What is clearance? - How to set clearance - Examples of clearance by material thickness - Benefits of achieving uniform clearance
[Kyushu Mechanical Components Technology Exhibition] What causes burrs to occur? We will also introduce measures against burrs!
Burrs that inevitably occur when using press molds. Is there a way to reduce burrs? Why do burrs occur in the first place...? Many people may have such questions about whether it's possible to create a mold that produces no burrs at all. If we can minimize burrs, we can enjoy many benefits, such as reducing the time spent on burr removal and ensuring product accuracy. In this document, we will explain in detail why burrs occur in press molds and what measures can be taken to minimize them. Nagumo Manufacturing will be exhibiting at the Kyushu Machine Element Technology Exhibition in Fukuoka, which will be held from November 29 (Wednesday). We look forward to your visit. *For details about the exhibition, please refer to the basic information!
We are working to reduce setup time through the unitization of high-performance equipment and molds.
Based on over 40 years of diligent effort and relentless technological innovation, we excel in managing not only mass production using general-purpose molds but also small lot production, which has been considered disadvantageous in precision casting with molds due to the adoption of a unit system. For more details, please download the catalog.
We are developing various materials such as metals and non-ferrous metals with limitless possibilities. We also accommodate a wide range of needs, including small quantities and diverse varieties.
Daiwa Precision Press Co., Ltd. has been developing and growing primarily in metal pressing and machining since its establishment in 1949. Building on the traditions and achievements passed down from the past, we are not only involved in pressing and machining but also participating from the software field, challenging ourselves in various areas with greater sophistication and potential. Our business activities include the design and manufacturing of molds for plastic processing and ultra-hard materials, solutions through advanced technology, and the planning and manufacturing of environmentally friendly products. As a comprehensive processing manufacturer of all materials, we supply technology and knowledge to meet the demands of the times. For more details, please contact us or download our catalog.
![[Presenting a Collection of Case Studies on Mold Repair] What is a mold?](https://image.www.ipros.com/public/product/image/0d8/2000731352/IPROS53090193175702068534.jpeg?w=280&h=280)
To create many identical shapes, a base "mold" is necessary! Here is a brief explanation about molds.
Many of the things around us are made of plastic. One reason for this is that plastic is an inexpensive material that is easy to mold and comes in various types with different properties. Industrial products are also aimed at mass production, so when it comes to how to make many identical items cheaply, efficiently, and with precision, molds have become an indispensable presence. On our website, we provide a simple explanation of what a "mold" is. Please take a look at the related links below. *For more details, please refer to the PDF materials or feel free to contact us.
Because it's a real exhibition, there are chance encounters and connections with people! It's also possible to challenge cost demands.
We will be exhibiting at the "10th IPF Japan 2023 (International Plastic Fair)" held at Makuhari Messe. In recent years, as overseas production has accelerated, we have made it possible to produce molds of the same quality at our three locations: Tokyo (headquarters), Yamagata (Shinjo), and China. We are also able to challenge the demands for shorter delivery times and cost reductions through product unit orders. Our booth number and other detailed information will be announced in July. Please feel free to reach out with any questions. We sincerely look forward to your visit. 【Event Overview】 ■ Dates: November 28 (Tuesday) to December 2 (Saturday), 2023 (5 days) ■ Hours: 10:00 AM to 5:00 PM (until 4:00 PM on the last day) ■ Admission Fee: - Free for those who pre-register online or bring an invitation ticket - On-site registration on the day will incur a registration fee of 1,000 yen (including tax, valid for 5 days) *For more details, please refer to the related links or feel free to contact us.
We manufacture molds tailored to customer needs, including wooden molds and machining center machines.
At the Light Work Institute, we manufacture aluminum castings using wooden patterns and produce molds using machining center machines. The production of aluminum castings with wooden patterns involves melting aluminum and pouring it into molds created from sand and other materials, then cooling and solidifying it. In the production using machining center machines, we create drawings with 3D software and use the three-dimensional data to cut aluminum alloy plates to create molds. In this document, you can view each manufacturing process. 【Features】 ■ Production of aluminum castings with wooden patterns - Used to create a space in the mold that is the same shape as the finished product, where molten metal is poured in at high temperatures. - Allows for the creation of complex shapes and patterns by melting and pouring. ■ Production using machining center machines - Capable of performing several types of cutting processes in the same location. - Available in vertical, horizontal, and 5-axis control types, used according to specific needs. *For more details, please refer to the PDF document or feel free to contact us.
Introduction to Product Displays and 3D Pops
Kou Kousakusho Co., Ltd., which manufactures wooden molds and metal molds for plastic vacuum forming as well as various jigs, is a company that specializes in the production of wooden molds and metal molds for plastic vacuum forming and various jigs.
A precision mold designed and manufactured to withstand harsh conditions!
We would like to introduce our achievements in the development of modular precision molds. Modular precision molds are designed and manufactured using a modular system (total split structure, fully heat-treated hardening, and complete precision machining after total quenching) to withstand harsh conditions such as gas event circuits during resin filling, as well as high temperature, high speed, and high pressure. 【Features】 ■ Modular mold manufacturing method ■ Gas event circuits during resin filling ■ Design and manufacturing capable of withstanding harsh conditions of high temperature, high speed, and high pressure *For more details, please refer to the PDF document or feel free to contact us.
We can accommodate production up to the 550t class! Based on our many years of experience and achievements in mold making, we will meet your requests.
Future Seiko offers "Mold Manufacturing Services." From the perspective of a molding manufacturer, we achieve long mold life through appropriate steel materials, maintenance-friendly mold structure design, and high-precision processing that supports these features. We respond to trust with a wide range of technologies through molds for injection molding, extrusion, and pressing. 【Features】 ■ Capable of handling up to 550 tons ■ Achieves long life ■ Dimensionally accurate with a sharp and refined appearance *For more details, please refer to the PDF document or feel free to contact us.
![[Business Introduction] Molds Manufacturing and Sales of Mold Parts](https://image.www.ipros.com/public/product/image/a9d/2000275767/IPROS8557855219350701464.JPG?w=280&h=280)
We incorporate original ideas into molds to meet our customers' needs!
At K.K. Kotobuki Seimitsu, we exchange opinions between our in-house manufacturers and customers to pursue molds that are easier to create and use. We strive to incorporate original ideas into our molds to meet our customers' needs. Additionally, we handle automation and labor-saving devices, as well as the production of jigs and the processing of high-difficulty parts. In addition to our headquarters in Wakayama, we have factories in Kagoshima and two overseas locations in China and Thailand, delivering ideal solutions while considering the strengths of each factory. Please contact us first to see our technology and support. [Available Factories] ■ Wakayama ■ Kagoshima ■ Thailand *For more details, please refer to our catalog or feel free to contact us.
