principle of operation...tool at the end of the hammer. The valve type of tool has a separate mechanism to control the airflow to the piston, thus allowing the operator to control the speed and force of the blows. In a compression riveter the compression, or squeezing action, on the rivet is obtained from an air piston connected to a cam, wedge, or toggle. A yoke riveter has an air-operated clamp or vise that holds...
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