mechanical engineering Mechanical engineering is the study of physical machines that may involve force and movement. It is an engineering branch that combines engineering physics and mathematics principles with materials science, to design, analyze, manufacture, and ...

, a docking sleeve or

mounting boss In mechanical engineering, a docking sleeve or mounting boss is a tube or enclosure used to couple two mechanical components together, or for chilling, or to retain two components together; this permits two equally sized appendages to be connecte ...

is a tube or enclosure used to couple two mechanical components together, or for chilling, or to retain two components together; this permits two equally sized appendages to be connected via insertion and fixing within the construction. Docking sleeves may be physically

solid Solid is one of the State of matter#Four fundamental states, four fundamental states of matter (the others being liquid, gas, and Plasma (physics), plasma). The molecules in a solid are closely packed together and contain the least amount o ...

or flexible, their implementation varying widely according to the required application of the device. The most common application is the

plastic Plastics are a wide range of synthetic or semi-synthetic materials that use polymers as a main ingredient. Their plasticity makes it possible for plastics to be moulded, extruded or pressed into solid objects of various shapes. This adaptab ...

appendage that receives a

screw A screw and a bolt (see '' Differentiation between bolt and screw'' below) are similar types of fastener typically made of metal and characterized by a helical ridge, called a ''male thread'' (external thread). Screws and bolts are used to fa ...

in order to attach two parts.

References

Mechanical engineering {{Mech-engineering-stub