DTA Support

Short Description:

The performance requirements of the product are strict. The casting body and cast test bar shall meet the following requirements: tensile strength RM ≥ 270MPa and hardness 190hbw-240hbw. The internal structure is complex, the flow channel and inner cavity are crisscross, and the embedded stainless steel pipe process has high dimensional requirements. The pipe is made of 304 profile by wire cutting and assembly welding;


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Product Description

DTA Support: key components of internal combustion engine supercharger jointly developed by Dalian Locomotive Research Institute Co., Ltd. and our company.

Material: special heat-resistant alloy cast iron, weight 205KG.

The performance requirements of the product are strict. The casting body and cast test bar shall meet the following requirements: tensile strength RM ≥ 270MPa and hardness 190hbw-240hbw. The internal structure is complex, the flow channel and inner cavity are crisscross, and the embedded stainless steel pipe process has high dimensional requirements. The pipe is made of 304 profile by wire cutting and assembly welding; The weld shall be continuous, uniform, full and closed, the weld bump on the inner wall of the pipe shall not be greater than 1mm, and the thinnest part of the weld shall not be less than 2mm; After welding, the workpiece shall be flat, the staggered joint shall not be greater than 1mm, and the warpage and position offset shall not be greater than 1mm. The finished product shall be subject to 0.75mpa air pressure test for each chamber respectively, and no leakage and bubbling are allowed.

Our Team

The company has 63 R&D personnel, including professional and technical personnel in casting, welding, materials, machinery, electric control, and hydraulics. There are more than 10 core R&D personnel, all of whom have more than 30 years of experience in mechanical product design and mechanical manufacturing.

R&D and Design

1. How often does your company's products update?

2-5 years

2. What are the main materials of your products?

The casting materials include HT200, HT350, QT400-15, QT800-2, and the main welding materials are copper-based and silver-based; the main material of the wheel hub is Q345B steel; the main material of aluminum pipe is 1070.

3. Can your company distinguish your own products?

The product has a YuanFang logo

Our Certificate

Passed ISO9001: 2008 quality system certification, ISO14001: 2004 environmental management system certification, OHSAS18001: 2007 occupational health and safety management system certification and China Classification Society (CCS) certification. And passed the license production certification of MAN B-W company L23/30-4 stroke diesel engine piston. Passed the certification of the integration of industrialization and industrialization management system.


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