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23
2022-03
Performance Characteristics of Electric Discharge Machining (EDM) Machines
Electrical discharge machining (EDM) machines are mainly used for processing molds and parts with complex-shaped holes and cavities; they can process various conductive materials such as hard alloys and hardened steel; they are capable of machining deep fine holes, irregular holes, deep grooves, narrow slits, and cutting thin sheets; they also process various forming tools, templates, and thread ring gauges.
2022-03-23
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The composition and function of electrical discharge machining (EDM) machines.
The main body of the electrical discharge machining (EDM) machine includes the bed, column, shaft, and table, primarily used for completing tooling, fixtures, debugging, etc. The machine frame needs to have sufficient rigidity to prevent deformation during the machining process, which could hinder the discharge machining.
2022-03-18
The discharge stability of an electrical discharge machining (EDM) machine tool is determined by several factors, including: 1. **Electrode Material**: The type and quality of the electrode material can significantly affect the stability of the discharge. 2. **Dielectric Fluid**: The properties of the dielectric fluid used in the machining process, such as its viscosity and dielectric strength, play a crucial role in maintaining stable discharges. 3. **Discharge Parameters**: Settings such as pulse duration, discharge current, and voltage influence the stability of the electrical discharge. 4. **Machine Calibration**: Proper calibration and maintenance of the machine ensure consistent performance and stability during operation. 5. **Workpiece Material**: The characteristics of the workpiece material, including its conductivity and hardness, can impact the discharge stability. 6. **Environmental Conditions**: Factors such as temperature and humidity in the machining environment can also affect the stability of the discharge.
Electrical discharge machining (EDM) machines are commonly used for the discharge processing of forming molds. The principle involves the instantaneous application of high voltage to erode the workpiece, repeating this process to create an electrode pattern on the surface of the workpiece. When using EDM machines, especially stable spark machines, there are several important considerations to keep in mind. Today, I will discuss the key points with everyone.
The structural components of an electrical discharge machining (EDM) machine.
The structure of the electrical discharge machining (EDM) machine includes the bed, column, shaft, and worktable, primarily used for clamping and adjusting the tool and workpiece. The machine body needs to have sufficient rigidity to prevent deformation during the machining process, which could lead to changes in the discharge gap and hinder the machining process.
Maintenance and Care of Electrical Discharge Machining (EDM) Machines
CNC electrical discharge machining (EDM) machines are not suitable for operation in dirty and high-temperature humid environments. The power supply environment also has high requirements; the machine's supply voltage should not deviate more than ±10%, and the three phases should be balanced and stable. If the power grid is too harsh, a voltage stabilizer must be installed. In addition to regular cleaning and lubrication, the following parts of the machine must also be carefully maintained:
Guide to Selecting Electrical Discharge Machining (EDM) Equipment
The four key performance factors of electrical discharge machining (EDM) machines are: surface finish, electrode wear, machining speed, and machining accuracy. Based on the requirements of the product to be processed, select the appropriate EDM machine by referring to these four key factors.