Piston Production Line: What types of pistons are there?
Published Time:
2021-03-01
The structure of a piston varies depending on the standards and specifications of each engine. Generally, a piston consists of three parts: the head, the piston pin boss, and the pin. The head refers to the piston crown and the piston pin.
The structure of a piston varies depending on the standards and specifications of each engine. Generally, pistons consist of three parts: the piston head, the piston pin boss, and the piston skirt. The piston head refers to the piston crown and the piston pin.

1. Piston Crown
In piston production lines, the piston crown is generally located in the engine combustion chamber. A sloped roof design is often chosen to minimize contact with high-temperature gases and ensure more even stress distribution. Many gasoline engines use sloped roof pistons, while some diesel engine pistons are more complex to better promote mixing and improve ignition efficiency, reducing the likelihood of detonation.
2. Piston Pin Boss
In piston production lines, the piston pin boss is the part that supports the piston pin and connects it to the connecting rod, located slightly above the piston skirt.
3. Piston Skirt
The piston skirt is the lower part of the piston, responsible for guiding its movement. Its function is to maintain the vertical position of the piston during its reciprocating motion.
In piston production line machinery, the piston pin is concave, allowing for the installation of piston rings. The function of the piston rings is to prevent engine oil from entering the combustion chamber.
So what types of pistons are there in piston production lines? Let's take a look.
1. Classified by fuel: gasoline engine pistons, diesel engine pistons, natural gas pistons.
2. Classified by raw materials: cast iron pistons, steel pistons, composite pistons, etc.
3. Classified by operating condition: boosted pistons and non-boosted pistons.
4. Classified by application: car pistons, motorcycle pistons, truck pistons, heavy tank pistons, etc.
This concludes our introduction to the various types of pistons in piston production lines. We hope this article has been helpful. If you would like to learn more, please check out our other articles. We hope our articles are helpful and appreciate your support.
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