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Posted on Aug 28, 2020
The primary goal of industrial automation machine designers is to build and adjust shafts to minimize vibration. Slowly and accurately slow down the motion quality of the shaft; and cause the inevitable mechanical vibration to be isolated or attenuated, that is, completely dissipated. These technologies allow the machine axis to return to equilibrium as quickly as possible, which is especially useful for those who perform the high-speed reciprocating motion, positioning, or other precise automation tasks. These include industrial and safety shock absorbers, profile dampers, rotary dampers, industrial gas springs, hydraulic dampers, vibration isolators, air springs, and hydraulic feed control.
We divide the shock-absorbing technology into four categories: the automatic control of shock absorbers and shock absorbers includes miniature shock absorbers, industrial shock absorbers, heavy industrial shock absorbers, profile shock absorbers, and general shock absorbers. Shock loads are common in industrial equipment. They are both a normal result of the application and an unforeseen load due to differences in operation or processes. Whether integrated into the initial design or added after implementation, shock absorbers are usually the best choice to reduce the force generated by impact loads. In this blog post, we will focus on industrial shock absorbers and their working principles and applications to introduce different industrial shock absorption and shock absorption options.
The basic purpose of a shock absorber is to remove kinetic energy from the stopped load, convert it into heat, and dissipate it in the form of heat, thereby preventing the kinetic energy from spreading through the equipment and surrounding structures as an impact load. Industrial shock absorbers, whether the load is sliding, rolling, or free-fall, may be used for linear and rotating loads. Push and pull industrial gas springs, hydraulic dampers, hydraulic feed control, door dampers, and rotary dampers are all options for movement control. Variants known as vibration compensation include rubber-metal insulators, vibration isolation pads, and pneumatic leveling seats at low frequencies. Security devices include shock absorbers for protection, security dampers, and elements for clamping. Other shock-absorbing and shock-absorbing devices, such as springs and rubber buffers, are effective in slowing or stopping the load, but they mainly absorb the kinetic energy of the load and introduce it into the system as a rebound or bounce of the load.
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• Hydraulic dashpots
This type of shock absorber provides a high braking force at the beginning of the stroke. With only one orifice, the moving load under the control of the hydraulic damper will suddenly decelerate at the beginning of the stroke. The braking force rises to a very high peak at the beginning of the stroke and then drops rapidly. Dashboards can also be used to slow down and stop loads, but they also rely on air and provide non-linear resistance, and the stopping force peaks at the beginning or end. Most damping devices exhibit a non-linear braking force, which causes vibration at the beginning or end of the stopping stroke.
• Springs and Rubber Buffers
A shock absorber technology exhibits high braking force at the end of the stroke. When fully compressed, they also store energy instead of dissipating energy, causing the load to bounce.
• Air buffers and pneumatic cylinder cushions
The shock absorber technology shows a high braking force at the end of the stroke. When fully compressed, they also store energy instead of dissipating energy, causing the load to bounce.
Industrial shock absorbers provide uniform braking force throughout the stroke. The moving load is moved slowly and smoothly during the shock absorber movement, despite continuous resistance. The load is decelerated with the minimum force in the shortest possible time, thereby eliminating destructive force peaks and impact damage to machines and equipment. When drawing, the deceleration force-stroke curve is linear. This smooth and gentle damping effect can also reduce the noise generated by automatic machinery. The shock absorbers have a fairly linear reaction force at the end of the deceleration without rebounding or bouncing during the stopping motion. The lack of bounce also allows for a quicker stop time for the shock absorber than for other damping devices. This results in a fast, smooth, and predictable load deceleration. The shock absorber is specifically built to match the weight and velocity of the stopped load. This ensures even dissipation of the steam and fast and linear deceleration.
The basic design of the shock absorber includes a double-wall cylinder, a piston, and a piston return mechanism. The inner cylinder is filled with an incompressible fluid, such as hydraulic fluid or oil, and has holes located at exponential intervals to match the exponential nature of the kinetic energy equation. As the piston moves into its stroke, the metering orifice is closed, ensuring that the pressure and therefore the braking force remain constant. When the load comes into contact with the piston rod, the piston pressurizes the fluid and forces it through the orifice. As the piston moves through its stroke, the orifices are closed one by one. This ensures that the pressure in the cylinder remains constant and provides a linear braking force for the load. When the fluid is pressurized and forced to pass through the hole, its temperature rises rapidly, and then the heat is dissipated to the outer body of the shock absorber and the surrounding environment.
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