Application scope and operation precautions of electrical discharge machining technology in precision instrument manufacturing
Electrical discharge machining (Electrical Discharge Machining, abbreviated as EDM) is a precision processing technology that uses electrical sparks to process workpieces. It has a wide range of applications in the manufacturing of precision instruments and can process complex shapes and high-precision parts that are difficult to achieve by other processing methods. This article will discuss the application scope and operation precautions of electrical discharge machining.
Firstly, the application scope of electrical discharge machining
The application scope of electrical discharge machining is extensive, especially suitable for processing workpieces with complex shapes, high hardness, and poor conductivity. Its main advantages include:
High precision: Electrical discharge machining can achieve micrometer-level precision and is suitable for complex parts in precision instrument manufacturing, such as microelectronic components, optical components, and precision mechanical parts.
Large-scale processing: Electrical discharge machining can process large-sized workpieces without size limitations, especially suitable for the manufacturing of large precision instruments.
High-hardness materials: Electrical discharge machining can process high-hardness materials such as hard alloy, ceramic, and hard glass.
Processing of complex shapes: Electrical discharge machining can process workpieces with complex shapes, such as curved surfaces, grooves, steps, and so on.
Secondly, operation precautions for electrical discharge machining
Choose appropriate electrode materials: Electrode materials should have good conductivity, high-temperature resistance, and corrosion resistance. Common materials include copper, molybdenum, tungsten, and so on.
Choose appropriate processing parameters: Processing parameters include pulse frequency, pulse width, working fluid flow rate, etc., and the selection of these parameters directly affects the processing effect and efficiency. These parameters need to be adjusted according to the actual conditions such as the material, shape, and processing accuracy of the workpiece.
Keep the working fluid clean: The working fluid plays a role in cooling, lubricating, and cleaning during electrical discharge machining, so the working fluid needs to be replaced and filtered regularly to maintain its cleanliness.
Prevent electrode damage: During the process of electrical discharge machining, electrodes will gradually wear out, so electrodes need to be replaced regularly, and attention should be paid to the maintenance and maintenance of electrodes.
Strictly control the processing environment: During the process of electrical discharge machining, a large amount of heat and dust is produced, so processing should be carried out under good ventilation conditions, and effective dust prevention measures should be taken.
Pay attention to safety protection: During the process of electrical discharge machining, electric sparks may be generated, so effective safety protection measures should be taken, such as wearing protective goggles and protective gloves.
Strictly follow the operation procedures: The operation of electrical discharge machining must strictly follow the operation procedures, including pre-startup checks, operations during the processing process, and post-processing cleaning, to ensure the safety and efficiency of the processing process.
In general, electrical discharge machining has a wide range of application prospects in the manufacturing of precision instruments, but it also requires us to pay attention to its applicable scope and operation precautions to ensure the quality and safety of the processing.
