●Updated the precious metal information. [January 10, 2018]

Compared to extruded and drawn materials, there is less variation in outer diameter and reduced bending of the material! We have a large inventory and can accommodate short delivery times!

"Centerless grinding" is a processing method for machining cylindrical materials that does not require center support, allowing for the processing of long materials, pipes, and machined products without selecting specific processing machines. It excels in outer diameter precision, roundness, and straightness, resulting in high-precision materials. We possess a variety of inspection equipment, including bending inspection devices and micrometers, so customer-side material inspection is unnecessary. Additionally, to deliver high precision to our customers, we offer four types of packaging methods, including support packaging. *We have a rich inventory, including A7075B-T6511 and A6061B-T6 available!* 【Features】 ■ Improved yield ■ Increased production efficiency ■ Can be handled with only sampling inspections ■ Supports shortened delivery times *For more details, please refer to our catalog or feel free to contact us.*

• Other processing machines
• Processing Contract
• aluminum

We will strongly support manufacturing with a competitive edge through non-ferrous metal materials and processing technologies!

Kyoei Metal Co., Ltd. is based on the field of non-ferrous metal materials and their processing technology, embodying high value-added manufacturing services that satisfy our customers. We will derive optimal solutions in all aspects, including functionality, quality, cost, and management, for the requirements of the "users" regarding non-ferrous metal processed parts. By achieving a balance of extremely refined product and service quality, we strongly support our customers' competitive manufacturing. 【Business Description】 ■ Sales of non-ferrous metal materials and their processed parts *For more details, please refer to our catalog or feel free to contact us.

• Other processing machines
• Processing Contract
• aluminum

Case study of aluminum centerless adoption by an automotive parts manufacturer.

We would like to introduce a case study of an automotive parts manufacturer that has adopted our unique technology, "Centerless Grinding." At Company T, there was variability within the outer diameter dimension tolerances, and they were struggling with material layer separation work before processing. However, since adopting "Aluminum Centerless," they no longer need to perform material layer separation work for thicker and thinner materials, and they are now able to adequately handle inspections through sampling. As a result, work efficiency has significantly improved, and the yield of the processing has remarkably enhanced. [Overview] ■ Automotive parts manufacturer ■ Company T, automotive air conditioning parts ■ <Target part> A6061B-T6 φ19 *For more details, please refer to the PDF document or feel free to contact us.

• Other processing machines
• Processing Contract
• aluminum

Case study of aluminum centerless adoption by a medical manufacturer.

We will introduce a case study of a medical manufacturer that adopted our unique technology, "Centerless Grinding." Company M was forced to conduct 100% inspection due to material wobbling and lack of roundness, but the adoption of "Aluminum Centerless" significantly improved the processing yield. Additionally, being able to place a consistent order from material procurement to centerless processing is also an advantage. 【Overview】 ■ Medical Manufacturer ■ Company M Dental Medical Devices ■ <Target Parts> A6061B-T6 φ9–11 *For more details, please refer to the PDF document or feel free to contact us.

• Other processing machines
• Processing Contract
• aluminum

Case study of aluminum centerless adoption by an industrial machinery manufacturer.

We would like to introduce a case study of an industrial machinery manufacturer that has adopted our unique technology, "centerless grinding." At Company P, even when outsourcing centerless processing to another vendor, aluminum materials were often avoided due to the grinding wheel becoming clogged. However, Hashinaga Metal specializes in aluminum, making it easier to request services, and we received high praise for the finishing quality in terms of outer diameter, straightness, and roundness. Additionally, we have included a case study of machine parts, pins, and shafts from industrial machinery manufacturer Company S. [Overview (Company P)] ■ Industrial Machinery Manufacturer ■ Company P Machine Parts ■ <Target Parts> A7075B-T6511 φ20 *For more details, please refer to the PDF document or feel free to contact us.

• Other processing machines
• Processing Contract
• aluminum

Is the aluminum material you are currently using really ◎? It is ideal for moving spindle CNC lathes, and its effectiveness is tremendous for parts with strict requirements for roundness and cylindricity.

Centerless grinding is a processing method for machining cylindrical materials. It is called "centerless" because grinding is performed by passing the material between two rotating grinding wheels without fixing the workpiece at the center. It is characterized by superior dimensional accuracy, surface roughness, and roundness compared to drawn materials. 【Application Example】 A2017B-T3: φ2.1～φ3.0×2500mm (2000mm) *After centerless processing Outer Diameter Tolerance: +0 -0.004 Roundness: 2μm Application: Two-wheeled vehicle carburetor parts

• aluminum

Is the aluminum material you are currently using really ◎? It is ideal for moving spindle CNC lathes, and its effectiveness is tremendous for parts with strict requirements for roundness and cylindricity.

Centerless grinding is a machining method used to process cylindrical materials. It is called "centerless" because grinding is performed without fixing the workpiece at the center, by passing it between two rotating grinding wheels. It is characterized by superior dimensional accuracy, surface roughness, and roundness compared to drawn materials. 【Adoption Example】 A6061B-T6: φ19×2500mm (Extruded rod) ⇒ φ18.9×2500mm (after centerless processing) Outer diameter tolerance: (±0.06) ⇒ (+0 -0.02) = By performing centerless grinding, a dramatic reduction in defect rates was observed in cutting processes. ⇒ (By performing correction processing, it becomes possible to improve surface accuracy with minimal cutting allowance.)

• aluminum

Is the aluminum material you are currently using really ◎? It is ideal for moving spindle CNC lathes, and its effectiveness is tremendous for parts requiring strict roundness and cylindricity.

Centerless grinding is a processing method used for machining cylindrical materials. It is called "centerless" because grinding is performed by passing the workpiece between two rotating grinding wheels without fixing it at the center. It is characterized by superior dimensional accuracy, surface roughness, and roundness compared to drawn materials. 【Adoption Example】 A6061B-T8: φ6.5～φ14×2500mm Outer Diameter Tolerance: +0 -0.006 Bending Tolerance: 4μm/100mm or less Surface Roughness: 3.2S or less Application: Automotive transmission parts

• aluminum

No need for material inspection before use or for stratification work with thicker or thinner layers! Significantly improve processing yield!

【Feedback from Medical Manufacturer M】 ■Issues: When processing the drawn material as is, the material would wobble, causing misalignment in the product's axis, which was problematic. ■Suggestion: Use centerless material. ■The need for material inspection before use and for sorting into thicker and thinner layers has been eliminated, significantly improving processing yield. For more details, please download the catalog or contact us.

• aluminum

The "Mechanical Stitching Method" by Nichinichisui Road Machinery Co., Ltd. is a new technique that allows for the repair of metal cracks without the application of heat. By using special bolts and reinforcement plates, cracks are physically removed, and repairs are made without causing any thermal impact to the base material. Repairs can be carried out even in environments where open flames cannot be used. Since no heat is applied, the disassembly of equipment is minimized. ◎ For more details, please contact us. ◎ If a detailed technical explanation is needed, please contact us.

The "Mechanical Stitching Method" by Nichinichisui Road Machinery Co., Ltd. is a new technique that allows for the repair of metal cracks without the application of heat. By using special bolts and reinforcement plates, cracks are physically removed, and repairs are made without causing any thermal impact to the base material. Repairs can be carried out in environments where open flames cannot be used. Since no heat is applied, the disassembly of equipment is minimized. ◎ For more details, please contact us. ◎ If a detailed technical explanation is needed, please contact us.

The "Mechanical Stitching Method" by Nichinichisui Road Machinery Co., Ltd. is a new technique that allows for the repair of metal cracks without the application of heat. By using special bolts and reinforcement plates, cracks are physically removed, and repairs are made without affecting the base material with heat. Repairs can be carried out in environments where open flames cannot be used. Since no heat is applied, the disassembly of equipment is minimized. ◎ For more details, please contact us. ◎ If a detailed technical explanation is needed, please contact us.

SPACECOOL Co., Ltd. is pleased to announce that it will exhibit at the "Japan Pavilion" established by the Ministry of the Environment at the 30th Conference of the Parties to the United Nations Framework Convention on Climate Change (COP30), which will be held in Belém, Brazil, from November 10, 2025. "SPACECOOL" is a radiative cooling material that enables zero-energy cooling by dissipating heat into space. At our exhibition booth, we will showcase examples of its use not only in reducing air conditioning energy in buildings but also in heat mitigation measures (adaptation strategies) for tents and parasols. The Japan Pavilion aims to promote excellent technologies, products, and services that support global decarbonization and adaptation to climate change, and to achieve Japan's long-term climate change goal of "net zero by 2050." We believe that our participation plays an important role in this endeavor. Through this exhibition, we aim to accelerate our initiatives with local partners in regions severely affected by heat issues, such as the Middle East, including Saudi Arabia and the United Arab Emirates, as well as Southeast Asia, contributing to global decarbonization and climate change measures.

Castem Co., Ltd. will exhibit at the "Monozukuri World Osaka - Mechanical Components Technology Exhibition" held at Intex Osaka from October 1 (Wednesday) to October 3 (Friday), 2025. We will showcase lost-wax precision casting and MIM (Metal Injection Molding) products, as well as introduce our new technology, mold-less casting "Digital Cast." In addition to our popular casting demonstrations, we will present case studies that solve issues related to metal parts. Please utilize our "Technical Consultation Booth" to learn about optimal manufacturing methods tailored to your needs, from ultra-small lots to mass production. 【Exhibition Overview】 Dates: October 1 (Wednesday) to October 3 (Friday), 2025, 10:00 AM to 5:00 PM Venue: Intex Osaka (1-5-102 Nanko-Kita, Suminoe-ku, Osaka City, Osaka Prefecture) Exhibition Booth Number: Hall 6, B Hall 51-1 Pre-registration allows for smooth entry. It is convenient to register via the URL below before your visit. We sincerely look forward to your attendance. https://www.manufacturing-world.jp/osaka/ja-jp/register.html?code=1431877272389396-VEK