The electro-hydraulic cold riveting machine is at room temperature, through the motor to drive the high-pressure oil pump to provide power, the pressure oil is delivered to the hydraulic cylinder, so that the piston produces reciprocating motion, so as to exert pressure on the metal, make it plastically deformed, realize the riveting operation, and obtain the required workpiece shape.
Hydraulic control system: generally located on one side of the equipment, it is composed of a motor, a high-pressure oil pump, a relief valve, a pressure gauge, an electromagnetic reversing valve, a high-pressure oil pipe, etc., which is responsible for controlling the piston movement in the hydraulic cylinder and providing the required pressure for riveting. Riveting bow: Usually cast in 40Gr and quenched and tempered, such as the riveting bow of YLM-B type cold riveting machine, which can ensure the working strength, and different types of riveting arches correspond to different parameters such as cold diameter, hot diameter and cylinder stroke.
Clamp or rivet head: fixed to the frame or mounted directly on the hydraulic cylinder plunger by means of an adjustable connecting rod, the rivet can be clamped and positioned, and the rivet head can be changed at will to form different shapes of riveting. The functional characteristics of the cold riveting machine have a variety of control forms: three control forms: point-moving, semi-automatic and fully automatic, which can be selected according to different work needs and operate flexibly. The riveting pressure and speed can be adjusted, which can be adjusted more easily according to the material, thickness and riveting requirements of the workpiece to ensure the best riveting effect.
The structure of the cold riveting machine is simple and the performance is stable: compared with the traditional hot riveting and pneumatic riveting machine, the electro-hydraulic cold riveting machine has a relatively simple structure, no complex mechanical transmission device and heating system, which reduces the probability of machine failure and operates stably and reliably. The scope of application is relatively wide: it can be cold riveted with rivets of various types of frame parts, and is suitable for riveting operations of various vehicles, aviation machinery, mining machinery, bridge structures, etc. The cold riveting machine is easy to operate: it is small in size, mostly in an integrated cabinet structure, which can be moved at any time, and one person can complete the operation, which reduces labor intensity and improves work efficiency. High quality of riveting: the hydraulic system transmission is stable, the strength is reliable, can effectively eliminate the gap between the joints, avoid the shortcomings of the steel plate gap in the hot riveting can not be flattened and the loose and noisy after thermal expansion and contraction, the surface of the parts after riveting is smooth and beautiful, the rivet is evenly stressed, and the riveting quality is good.
FAQ
Q: What are the advantages of electric liquid cold riveting machine compared with traditional riveting equipment?
A: High efficiency, low energy consumption, high riveting accuracy and good consistency, no need for heating, reduce deformation, suitable for a variety of materials.
Q: How to maintain the equipment on a daily basis?
A: Regularly check the cleanliness and oil level of the hydraulic oil, clean the impurities of the fuselage, check the tightness of the pipeline, and ensure that the electrical system is dry and trouble-free.
Q: What materials and specifications can be riveted?
A: It can rivet aluminum, copper, steel and other metal materials, and adapt to a variety of rivets, and the specific parameters depend on the equipment model.
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