Product classification
Iron Machinery Parts
Low carbon steel (such as Q235) is easy to cut; High carbon steel (such as 45 # steel) needs to be processed after quenching and tempering treatment;
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Details Introduction
Material characteristics and processing challenges
Characteristic
Low carbon steel (such as Q235) is easy to cut; High carbon steel (such as 45 # steel) needs to be processed after quenching and tempering treatment;
Cast iron (such as HT250) has high brittleness, producing chips and dust.
Processing points
Cast iron processing requires dry cutting or air cooling to prevent cutting fluid from infiltrating the material pores.
Typical application areas
| Material | Applied economy | Example of representative parts |
| Iron/Carbon Steel | Mechanical transmission components, molds, heavy-duty transmission equipment components | Gear, injection mold core |
CNC machining methods and process optimization
Cooling and lubrication technology
Water based cutting fluid: suitable for aluminum alloys and copper, balancing cooling and cleaning;
Oil based cutting fluid: used for stainless steel and titanium alloys to reduce cutting temperature;
High pressure gas cooling: prevents chemical reactions between materials and cutting tools during titanium alloy processing.
Special Process Technology
High speed milling (HSM)
For thin-walled aluminum alloy parts, small cutting depth and high speed (such as 20000 RPM) are used to reduce deformation.
Car milling composite processing
Titanium alloy complex curved parts (such as impellers) can complete multiple processes in one clamping, with an accuracy of ± 0.01mm.
Micro processing
Copper micro heat sinks use tools with a diameter of 0.1mm, and the spindle speed needs to exceed 50000 RPM.
Future Development Trends
1. Intelligent machining system: Real time monitoring of cutting force and temperature through sensors, automatic optimization of parameters (such as Adaptive CNC);
2. Green manufacturing: promote micro lubrication (MQL) technology to reduce cutting fluid pollution;
3. Additive subtractive composite processing: Integration of 3D printing and CNC precision machining of titanium alloy aviation parts.
Key words:
Testing and Inspection
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