Piston Manufacturing and Piston Production
The Mauss GmbH in Cologne offers high precision piston manufacturing according to customized technical drawing.
The piston manufacturing requires the highest accuracy since pistons are exposed to high loads during the engine operation, while at the same time they are supposed to ensure a long service life. They are constantly in motion in the cylinder and have to perform 8000 revolutions per minute and over. They are exposed to a pressure of up to 200 bars and lift up to ten tonnes.
In mechanical engineering, the term piston refers to the mobile parts which form a closed case with the surrounding housing. The volume of this case varies with the motion performance. Thereby energy is transmitted. Today, the most widely used piston engines are the diesel engines and the spark-ignition engines.
In the early days, all pistons for reciprocating engines were made from cast iron. At present, cast aluminum alloys are predominantly used. Diesel piston castings are exposed both thermally and mechanically to a higher strain and show a higher wall thickness than pistons of spark-ignition engines.
Requirements and Function of the Piston Inside the Engine
The piston is an engine’s core piece. It constitutes a mobile component in the combustion chamber.
Its function is it to convert the energy generated through the combustion process into mechanical work.
Additional functions of the piston are:
- Sealing of the combustion chamber
- Guiding the piston rod on so-called trunk piston engines
- Mounting of piston rings which serve as sealing elements
- Release of the thermal energy generated in the combustion chamber
- Support of the gas exchange cycle with its intake of gases and exhaust
- The piston head (a special type of the combustion chamber’s side piston crown) supports the fuel mixture formation
Piston Manufacturing: Components and Configuration of the Piston
The piston is just a hollow cylinder, which is closed on one side only. It consists of the piston head with its ring section, the piston hubs and the shank. The function of the piston head is to transmit the thrust forces (piston forces) which result from the burn process onto the crankshaft, by passing the piston hub, the crankpins and the piston rod.