Home>>News>>Industry News>>How are burrs produced in metal processing?

How are burrs produced in metal processing?

2024-07-25
Burr formation in metalworking is a phenomenon related to material properties and processing techniques. This article will introduce the mechanism of burr formation, including its causes, influencing factors, and common scenarios, in order to better understand and take appropriate measures.


Causes of Burr Formation
Material plastic deformation: In metalworking such as cutting, stamping, or casting, when the material is cut or shaped, it undergoes plastic deformation due to its plastic properties. These changes can cause the edge parts to stretch and tear during material removal or shaping, leading to the establishment of burrs.
Impact of processing techniques: Different metalworking methods have varying impacts on burr formation. For example, in cutting operations, tool wear, improper choice of cutting speed, and feed rate can lead to burr formation. In stamping processes, mold wear and inaccurate fitting can also cause burrs.
Material type: Different metal materials have varying physical and chemical properties, and the likelihood and extent of burr formation under the same processing conditions also vary. For instance, some harder materials may be more prone to burr formation during processing.
Influencing Factors of Burr Formation
Processing parameters: These include cutting speed, feed rate, tool type, and wear state, which directly affect the size and shape of burrs.
Workpiece and tool materials: The hardness and toughness of the workpiece material, as well as the hardness and wear resistance of the tool material, will affect burr formation.
Processing path and cutting direction: The path and direction of cutting or shaping will affect the location and severity of burrs on the workpiece.

Common Burr Formation Scenarios
Cutting processes: In cutting processes such as turning and milling, especially during high-speed cutting, burrs are likely to form on the edges of the workpiece.
Stamping processes: In stamping, the material undergoes plastic deformation under the action of the mold, which can easily result in burrs at the sheared edges.
Casting and forging: In these processes, due to the unevenness of material flow, burrs may also form on the surface or edges of the metal.

Burr formation is a common issue in the metalworking process, affecting not only the appearance quality of the product but also potentially affecting the part's assembly and functionality, and may even cause injury to the user. CTT can effectively prevent and reduce burr formation by choosing appropriate processing parameters, using suitable tool and mold materials, and optimizing the processing path and cutting direction.
Related Information
CTT Technology Secures a Spot on Forbes List with Two Core Technologies, Garnering Global Acclaim

Zhuhai CTT Technology Co., Ltd. has recently earned a place on the 2026 Forbes China Pioneer Innovators in Industry Development list, thanks to its technological prowess and industrial contributions in high-end equipment manufacturing. Its core technologies and global development capabilities have thus gained recognition from internationally authoritative institutions.

How Laser Cutting in Precision Manufacturing Reshapes High-Precision Parts Production

Precision manufacturing relies heavily on efficient cutting technology. Laser cutting, with its high precision and non-contact processing characteristics, has become one of the core processes in modern precision manufacturing. This article will guide you through the working principle, core advantages, and practical applications of laser cutting in various industries.

Precision Manufacturing Empowers the Development of High-End Industries

Precision manufacturing is a core branch of modern high-end manufacturing. With its micron- or even nanometer-level machining accuracy, digital full-process control, and flexible production capabilities, it has become a key force supporting the development of high-end fields such as aerospace, new energy, and biopharmaceuticals.

Comprehensive Analysis of the Entire Industry Chain for Core Life Science Equipment Solutions

This article breaks down the core components and responsibilities of each link in the upstream, midstream, and downstream of the industry chain, interprets the logic of collaboration, and demonstrates the core competitiveness of a comprehensive industry chain layout.

Email to this supplier

Name:
Phone:
Email:
Message: