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Cold Upset Forging Process Is A Kind Of Less Cutting Metal Pressure Processing Technology

Anebon Metal Products Co.,Ltd | Updated: Oct 16, 2018

Introduction to cold upsetting process 1:Cold upset forging process is a kind of less cutting metal pressure processing technology


Cold Upset Forging Process Introduction Cold upset forging process is a process with less cutting metal pressure. It is a method of processing the required parts or blanks by utilizing the plastic deformation of the metal under external force and by means of the mold to redistribute and transfer the metal volume.


Characteristics of cold upsetting process:

1. Cold weather is carried out under normal temperature conditions. Cold upsetting can improve the mechanical properties of metal parts.

2. Cold upset forging can increase material interest rates. It is a pressure processing method based on plastic deformation, which can achieve less cutting or no cutting. The general material utilization rate is above 85%, and the highest is over 99%.

3. Can increase production efficiency. The time and process of deformation of metal products are relatively short, especially in the processing of parts on a multi-station forming machine, which can greatly improve productivity.

4. The cold upsetting process can improve the surface roughness of the product and ensure the accuracy of the product.


Second, the requirements of raw materials for cold forging process:

1. The chemical composition and mechanical properties of raw materials should comply with relevant standards.

2. The raw material must be subjected to spheroidizing annealing treatment, and the metallographic structure of the material is spherical pearlite 4-6.

3. The hardness of the raw materials, in order to minimize the tendency of the material to crack, improve the service life of the mold also requires the cold drawing material to have as low a hardness as possible to improve the plasticity. Generally, the hardness of raw materials is required to be HB110~170 (HRB62-88).

4. The accuracy of the cold drawing material should generally be determined according to the specific requirements of the product and the process conditions. Generally speaking, the surface quality of the cold drawing material requires that the lubricating film be dull and dark, and the surface should not be scratched or folded. Defects such as cracks, napped, rust, scale and pits.

5. It is required that the total thickness of the decarburized layer in the direction of the cold drawing material does not exceed 1-1.5% of the diameter of the raw material (depending on the requirements of each manufacturer).

6. In order to ensure the cutting quality during cold forming, the cold drawing material is required to have a hard surface and a soft core.

7. The cold drawing material should be subjected to the cold upsetting test, and the lower the sensitivity of the material to the cold work hardening, the better, so as to reduce the deformation resistance due to cold work hardening during the deformation process.

CNC-车削件-50

Anebon Metal Products Co.,Ltd

Skype: jsaonzeng

Mobile: +86-13509836707

Tel: +86-769-89802722

E-mail: info@anebon.com

URL: www.anebon.com