1. What’s the cylindrical pins?
Cylindrical pin, also referred as to as dowel pin, parallel pin,is a kind of positioning pins. It is an important auxiliary part which is used to fix the relative position of the machine parts. Cylindrical pin is made of high quality carbon steel.
Generally, the raw materials of the cylindrical pin are chosen from steel C35,C45,which must be thermalprocessed.High tensile dowel pins need to be made of bearing steel and 65Mn is usually used for elastic cylindrical pins.The features of the product.
2.The features of the product.
Cylindrical pin has a simple structure, with advantages of good neutrality,high b earing capacity, variable load and great impact performance， but high matching accuracy of the mating surface is required. Large disassembly force will? scratch the mating surface. The cylindrical pin belongs to non detachable connection. When the interference is small or the hydraulic assembly and disassembly are adopted, The connection is also detachable.
3.Where do the cylindrical pins are used for?
The cylindrical pins are not only used for positioning but also connection. The machinery parts are fixed into the holes of the pins, depending on interference fit. The cylindrical pins are usually positioning with very little or without load, and the number of the pins is not less than two. The pins are distributed in the symmetrical direction of the overall structure of the connected parts. The farther they are,the better. The length of the pins in each connected part is about 1-2 times of the small diameter.
4. Types of the cylindrical pins,
The cylindrical pins includes common cylindrical pins, threaded cylindrical pins, inner threaded pins, elastic cylindrical pins and cotter pins.
5.Cylindrical pins and shaft
A cylindrical pin can also be used as a shaft, and a straight shaft can also be usedas a cylindrical pin or even a centering pin. What the differences between the shaft and the pin are Shaft can be used to transmit torque, bear bending moments and torques, cylindrical pin used for positioning, bear extrusion force and shear force. In a sense (as in small equipment) , cylindrical pins can also be used as shafts.
Post time: Sep-12-2022