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Features of the Mid-Frequency Spot Welding Machine Mechanical Structure

The guiding part of the mid-frequency spot welding machine adopts special materials with low friction, and the electromagnetic valve is directly connected to the cylinder, speeding up the response time, enhancing the spot welding speed, and reducing air flow losses, resulting in a long service li... Read More

Causes of Cracks in Mid-Frequency Spot Welds

An analysis of the reasons for cracks in certain structural welds is conducted from four aspects: macroscopic morphology of the welding joint, microscopic morphology, energy spectrum analysis, and metallographic analysis of the mid-frequency spot welding machine weldment. The observations and ana... Read More

Structural Production Characteristics of Mid-Frequency Spot Welding Machines

When using mid-frequency spot welding machines to manufacture various components, the manufacturing process can be divided into two parts: welding operations and auxiliary operations. Auxiliary operations include pre-welding part assembly and fixation, support and movement of assembled components... Read More

Solution for Overheating of Mid-frequency Spot Welding Machine Body

Mid-frequency spot welding machines are suitable for mass production, but during use, overheating may occur, which is a common problem with welding machines. Here, Suzhou Agera will explain how to deal with overheating. Check if the insulation resistance between the electrode seat of the spot we... Read More

Explaining the Control Principles of Various Control Modes of Mid-frequency Spot Welding Machines

There are four control modes for mid-frequency spot welding machines: primary constant current, secondary constant current, constant voltage, and constant heat. Here’s a breakdown of their control principles: Primary Constant Current: The device used for collection is a current transformer... Read More

Measures to Reduce Noise in Mid-frequency Spot Welding Machines

When operating mid-frequency spot welding machines, excessive noise may be encountered, mainly due to mechanical and electrical reasons. Mid-frequency spot welding machines belong to typical systems that combine strong and weak electricity. During the welding process, the powerful welding current... Read More

Monitoring Technology and Application of Mid-frequency Spot Welding Machines

To achieve better monitoring results, it is essential to correctly select the parameters for acoustic emission monitoring in mid-frequency spot welding machine monitoring equipment. These parameters include: main amplifier gain, welding threshold level, spatter threshold level, crack threshold le... Read More

Attention to Designing Spot Welding Fixtures for Mid-frequency Spot Welding Machines

When designing welding fixtures or other devices for mid-frequency spot welding machines, several factors must be considered: Circuit Design: Since most fixtures are involved in the welding circuit, the materials used for the fixtures must be non-magnetic or have low magnetic properties to minim... Read More

Multi-spot Welding Process of Mid-frequency Spot Welding Machine

In multi-spot welding with a mid-frequency spot welding machine, ensuring the size of the fusion core and the strength of the weld points is essential. Welding time and welding current complement each other within a certain range. To achieve a desired strength of the weld points, one can use high... Read More

Quality Control Measures for Mid-Frequency Spot Welding Machines

The inspection of the welding quality of mid-frequency spot welders generally involves two methods: visual inspection and destructive testing. Visual inspection entails inspecting various aspects of the weld. If metallographic examination is required using microscopy, the welded fusion zone needs... Read More

Analyzing Quality Issues of Medium Frequency Spot Welding Joints

In medium frequency spot welding, applying pressure is a key factor in heat generation during the welding process. Pressure application involves exerting mechanical force on the welding spot, which reduces contact resistance and balances resistance power. This helps prevent localized heating dur... Read More

Medium Frequency Spot Welding Machine Electrode Displacement Detection System

The development of the electrode displacement detection system for medium frequency spot welding machines has rapidly evolved in recent years. It has progressed from simple displacement curve recording or basic instrumentation to sophisticated control systems involving data processing, alarm func... Read More
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