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Impact wrenches An impact wrench is a simple, efficient and powerful socket wrench tool. It gives high-torque productivity with very less effort by the operator. It gets acceleration with the help of a motor with ample energy stored in a rotating mass. It then provides the stored energy to the anvil that gives a high-torque effect. This operating system of the impact wrench does not need a reaction arm due to which there is no need for a reaction surface as well.  The design of the hammer is made in such a manner that the hammer will spin freely without being locked after delivering the impact. Only the motor here accelerates the hammer. Since this is the only reaction force getting back to the tool, the user does not sense any significant torque in spite of the fact that a powerful torque is delivering to the socket. It is important that a hammer gets designed in such a manner that it allow the deliverance of a particular torque to help it revolve independently from the anvil. In ...

  Heat Exchangers Heat exchangers are industrial devices that help in reclaiming heat from waste gases. These are applicable all around us in car engines, planes, and ships for efficient working, in gas boilers, refrigerators, and air-conditioners. A heat exchanger helps in transferring heat from a gas or liquid to another gas or liquid without the need of mixing both the liquids and gases together. These exchangers transfer the heat without directly transferring the liquid carrying the heat. Heat exchangers are generally made of metal pipes. However, these can be of ceramic, composites, or plastics. These materials have their advantages. Ceramics are perfect for temperatures above 1000 degrees Celsius since they will melt metals. Plastic is lighter and cheaper than metals and with no worries of corrosion. These are not ideal for high temperatures but suitable for room temperature. Composite consists of positive features of both plastic and metal. Few Applications of Heat Exchanger...