Coupling elastic pads are divided into: plum elastic pad, star-shaped elastic pad, H-type elastic block, hexagonal pad, HRC cushion rubber and other models.It is suitable for coupling connection to play a buffering role, providing an indispensable buffering role for power transmission, and better protecting mechanical equipment.According to the different use environment, the polyurethane materials with different hardness and different properties are used for production.

　　Here I will briefly talk about a plum-shaped elastic cushion. Because of its plum-shaped appearance, the plum-shaped elastic cushion has high abrasion resistance, high resilience, oil and water resistance, and high-quality fatigue strength and impact resistance.

　　It is characterized by being compact, without teeth, and providing three different strength properties.It can absorb shocks and compensate for radial and angular deviations.The structure is simple and the maintenance is convenient.The working temperature is 20-120 degrees.Plum elastomer has four, six, eight, and ten petals.

　　Coupling requirements for heat treatment:

　　Coupling quenching and tempering treatment: Generally, the heat treatment combining quenching and high temperature tempering is called quenching and tempering treatment.Quenching and tempering treatment is widely used in various important structural parts, especially those connecting rods, bolts, gears and shafts that work under alternating loads.After quenching and tempering, the tempered sorbite structure is obtained, and its mechanical properties are better than the normalized sorbite structure of the same hardness.Its hardness depends on the high-temperature tempering temperature and is related to the tempering stability of the steel and the size of the workpiece section. It is generally between HB200-350.Metal heat treatment is one of the important processes in mechanical manufacturing. Compared with other processing processes, heat treatment generally does not change the shape and overall chemical composition of the workpiece, but by changing the internal microstructure of the workpiece, or changing the chemical composition of the surface of the workpiece , Give or improve the performance of the workpiece.Its characteristic is to improve the internal quality of the workpiece, which is generally not visible to the naked eye. In order to make the metal workpiece have the required mechanical properties, physical properties and chemical properties, in addition to the reasonable selection of materials and various forming processes, the heat treatment process Is often essential.

　　Steel is a widely used material in the machinery industry. The microstructure of steel is complex and can be controlled by heat treatment. Therefore, the heat treatment of steel is the main content of metal heat treatment.In addition, aluminum, copper, magnesium, titanium, etc. and their alloys can also change their mechanical, physical and chemical properties through heat treatment to obtain different performance properties.Therefore, the requirements of the coupling material for heat treatment are relatively high.XNUMX. The heating must be slow. The heating is done in sections, and the Aohua insulation must be sufficient. Generally, the trolley furnace is used for drying.

　　XNUMX. Low-carbon and low-alloy steels are directly quenched with brine, and medium-carbon alloy structural steels are quenched with water and oil double liquid. The time spent in water is calculated based on the effective thickness, which is available in general technical data books.

　　XNUMX. The new aqueous cooling medium is suitable for forgings with simple shapes, single materials and products. Personal opinion is that it can be used if conditions are met, and it is better if the conditions are not met.

　　Fourth, it is necessary to check the original state of large forgings, and it is necessary to detect the microstructure, especially if the Widmanstatten structure is severely eliminated with the correct process.