Methods for improving machining accuracy of metal parts

July 13, 2024

In modern industrial production, the processing accuracy of metal parts is crucial to ensuring the performance and lifespan of mechanical equipment.Machining is a complex process that involves multiple steps, such as milling, turning, and grinding, each of which can significantly impact the final product's precision.

Influencing Factors

Machine Status: The inherent accuracy of the machine tool is a core factor in determining dimensional accuracy.Any damage, guiding inaccuracies, or lack of stiffness in the machine can affect the size and shape accuracy of the machined parts. Regular maintenance and calibration are key to ensuring the machine operates optimally.

Fixtures and Jigs: Fixtures and jigs are used to secure the workpiece during machining, and their precision directly affects the workpiece's positioning accuracy.An inappropriate fixture may cause the workpiece to shift during machining, leading to dimensional errors.

Tool Wear: Tools gradually deteriorate during the production process, which can affect cutting accuracy.Using suitable tool materials, setting cutting parameters appropriately, and maintaining tools are important measures for controlling dimensional accuracy.

Operational Technique: The operator's technical proficiency is closely related to dimensional accuracy.Operators should select processing parameters based on the workpiece material, tool characteristics, and machine tool features, and be able to address any issues that arise during processing promptly.

Environmental Conditions: Environmental factors such as temperature, humidity, and vibration in the machining workshop can also affect dimensional accuracy.Temperature fluctuations may cause thermal deformation or shrinkage in materials and machines, thus impacting accuracy.

Methods for Improving Machining Accuracy

Adopt High-Precision Machine Tools: Utilizing machine tools with high precision and stable quality is essential for improving dimensional accuracy.Machine tools should have good shock resistance and temperature resistance to minimize the impact of environmental factors on the production process.

Optimize Fixture Design: Designing the appropriate fixture for specific machining tasks can enhance workpiece positioning accuracy and maintain stability during machining.

Dynamic Tool Management: Advanced tool measurement and management systems allow for real-time monitoring of tool wear, enabling timely replacement or adjustment of cutting parameters.

Enhance Operator Training: Strengthening professional training for operators improves their understanding of the machining process, enabling them to effectively identify and resolve issues that may arise during machining.

Environmental Control: Strictly controlling the workshop's temperature and humidity and implementing vibration dampening strategies can reduce the negative effects of environmental factors on dimensional accuracy.

CTT's specializing in precision stainless steel design services, understands the importance of precision control in machining.By adopting high-end processing equipment, optimizing process parameters, enhancing operator training, and controlling the environment, the company has achieved remarkable results in improving the machining accuracy of metal parts.

Author:

Ms. CTT TECHNOLOGY (UK) LIMITED

E-mail:

haiqi.liang@chuntian-ctt.com

Phone/WhatsApp:

8613318966480