Search results
Results from the WOW.Com Content Network
Hollow spring pins provide a weaker shear strength than a solid dowel pin, and the strength may be varied by varying the wall thickness. This limited shear strength specification is designed to sustain normal operation, but then give way in the event of excessive shaft torque, thus protecting the rest of the machine from damage.
Dowel pins are sometimes used in addition to bolts, to ensure accurate alignment, particularly for very small waveguides. Key features of a waveguide join are; whether or not it is air-tight, allowing the waveguide to be pressurized, and whether it is a contact or a choke connection. This leads to three sorts of flange for each size of ...
Tusked joints were found in a well near Leipzig, [4] created by early Neolithic Linear Pottery culture, and used in construction of the wooden lining of the wells. [5] Mortise and tenon joints have also been found joining the wooden planks of the " Khufu ship ", [ 6 ] a 43.6 m (143 ft) long vessel sealed into a pit in the Giza pyramid complex ...
A spring pin (also called tension pin or roll pin) is a mechanical fastener that secures the position of two or more parts of a machine relative to each other. Spring pins have a body diameter which is larger than the diameter of the hole they are intended for, and a chamfer on either one or both ends to facilitate starting the pin into the hole.
Wooden dowel pins. The dowel is a cylindrical shape made of wood, plastic, or metal. In its original manufactured form, a dowel is long and called a dowel rod, which are often cut into shorter dowel pins. [citation needed] Dowels are commonly used as structural reinforcements in cabinet making and in numerous other applications, including:
A pin insulator is a device that isolates a wire from a physical support such as a pin (a wooden or metal dowel of about 3 cm diameter with screw threads) on a telegraph or utility pole. It is a formed, single layer shape that is made out of a non-conducting material, usually porcelain or glass .
A treenail, also trenail, trennel, or trunnel, is a wooden peg, pin, or dowel used to fasten pieces of wood together, especially in timber frames, covered bridges, wooden shipbuilding and boat building. [1] It is driven into a hole bored through two (or more) pieces of structural wood (mortise and tenon).
Steel cross dowel or dowel nut, cross dowel (woodworking) A round slug or formed sheet metal part with threads perpendicular to the length of the nut Cage nut: Caged nut, captive nut, clip nut A (usually square) nut in a spring steel cage which wraps around the nut.