Spring pin, also known as a cotter pin or split pin, is a small but important mechanical fastener. Here is a detailed introduction:
A spring pin is typically made of metal wire, usually steel. It has a cylindrical shape with a split along its length. The split allows the pin to be opened and closed, enabling it to be inserted into a hole and then expand to hold it in place.
One end of the spring pin is often tapered or pointed, which makes it easier to insert into the hole. The other end may have a small loop or a flattened area for easy gripping and manipulation.
The spring pin works based on the principle of elasticity. When it is inserted into a hole, the split allows the pin to be compressed slightly. Once inserted, the spring - like action of the pin causes it to expand and exert a force against the walls of the hole, holding it firmly in position. This provides a reliable and removable fastening method.
In Machinery and Engineering: Spring pins are widely used in various mechanical applications. They are commonly used to secure components such as gears, pulleys, and levers to shafts. For example, in a gearbox, spring pins may be used to attach the gears to the shafts, ensuring that the gears rotate with the shafts and transmit power effectively.
In Automotive Industry: In cars and other vehicles, spring pins are used in many places. They can be found in the suspension system to connect various components, such as the links and rods. They are also used in the engine to secure parts like the rocker arms and camshaft sprockets.
In Furniture and Woodworking: Spring pins can be used to assemble furniture, especially in the case of knock - down furniture. They can be used to connect wooden parts together, providing a secure joint that can be easily disassembled if needed.
Easy to Install and Remove: Spring pins are relatively easy to install. They can be inserted into the hole by hand or with the help of simple tools. When it is necessary to remove the pin, it can be easily pulled out, allowing for easy maintenance and repair of the assembled components.
Cost - effective: They are relatively inexpensive compared to some other types of fasteners, making them a popular choice in many applications where cost is a consideration.
Good Retention Force: Despite their small size, spring pins can provide a significant retention force, ensuring that the connected components remain in place even under dynamic and vibrating conditions.
DIN1481 Slotted Spring Pin
Size: From 1.5mm to 16mm
Length: As your requirment
We could do all kinds of pins, such as DIN1, DIN7, DIN1481, , DIN7979, DIN6325, DIN7977, DIN1477, DIIN1476, DIN1473, DIN1474, DIN1444,DIN1470, DIN1469, ISO8750
