Three new pins for clevis heads are now available from norelem, a supplier of more than 45,000 standard parts and machine elements. The new pins include: 1. Model27621-01, with a groove for securing shafts using a lock washer for DIN 6799 shafts. Alternatively, users can apply a KL or SL retainer. 2. Model27621-02, with a groove…

By Dr. Jody Muelaner Grooved pins are solid pins with grooves running axially along their surface. The grooves are swaged, which displaces material and increases the diameter of the pin. When the pin is forced into a hole, the grooves close — giving grooved pins more elasticity than dowel pins. Knurled pins behave in a…

By Dr. Jody Muelaner A pin joint is a connection between two objects that allows only relative rotation about a single axis. All translations as well as rotations about any other axis are prevented — the joint therefore has one degree of freedom (1-DOF). A pin joint is formally called a revolute joint in kinematics…