Technological Process

Design and Research & Development​

Conduct the preliminary design of high-temperature bearings according to market demands and technological trends.​

Carry out detailed design by using software such as CAD/CAM to ensure the precision and functionality of the products.​

Select materials, including superalloys, ceramics and other materials, to meet the usage requirements under different temperatures and environments.​

Conduct simulation to predict the performance of the bearings under specific conditions and optimize the design.​

Raw Material Procurement and Inspection​

Purchase high-quality raw materials, such as special high-temperature alloys and ceramic materials.​

Carry out strict quality inspections on the raw materials to ensure that the materials meet the design requirements.​

Production and Processing​

Rough machining: Use precision machine tools to conduct preliminary cutting on the raw materials to form the basic shape of the bearing.​

Heat treatment: Conduct high-temperature heat treatment on the bearings to improve their hardness and wear resistance.​

Fine machining: Use high-precision machine tools to conduct fine processing on the bearings to ensure the accuracy of their dimensions and shapes.​

Surface treatment: Carry out treatments such as polishing and coating on the surface of the bearings to improve their corrosion resistance and lubricity.​

Assembly and Debugging

Assemble the processed bearing components to ensure the precision of the fit between each component.

Debug the assembled bearings and test indicators such as their rotational flexibility and noise.

Quality Inspection

Use various testing equipment to conduct a comprehensive inspection of the bearings, including dimensional accuracy, rotational accuracy, vibration, noise, etc.

Carry out high-temperature tests on the high-temperature bearings to ensure that they can work properly at the specified temperature.

Packaging and Shipping

Package the qualified bearings to ensure that they will not be damaged during the transportation process.

Deliver the goods according to the customer’s requirements, and provide relevant technical support and after-sales service.

Continuous Improvement and Research and Development

Collect customer feedback and continuously improve the product.

Allocate research and development resources to develop new products and meet the ever-changing market demands.

Characteristics of the Technological Process

Internationalized production process: Adopt internationally advanced production technologies and equipment to ensure product quality.

Full-process quality assurance: Conduct full-process quality tracking and control for each product component.

Strict Management: Adhere to the business philosophy of taking the market as the guide and quality as the foundation, and implement strict management and control.

Product Range

High-temperature low-speed bearings, high-temperature high-speed bearings, low-temperature bearings, corrosion-resistant bearings, antimagnetic bearings, magnetic-resistant bearings, vacuum bearings, self-lubricating bearings, stainless steel bearings, ceramic bearings, etc.

Temperature Range

High-temperature bearings: 120℃ - 1400℃.

Low-temperature bearings: -60℃ to -190℃.

Through this series of technological processes, Shanghai Tongzai Bearing Co., Ltd. is able to produce high-quality and high-performance high-temperature bearings, meeting the usage requirements in various harsh environments.