The term axial is used to refer to an arrangement or movement along an axis.

Balancer shafts

Engines with three, four or six cylinders vibrate more powerfully and run more unevenly than engines with higher numbers of cylinders. Engines can be made to run more smoothly through the use of balancer shafts. These are directly installed in the engine and rotate in the opposite direction to the engine crankshaft. The balancer shafts, driven by the power of the engine, can help to dampen engine noise and vibrations, thereby increasing drive comfort inside the vehicle.

Brake disc

A brake disc is firmly attached to the wheel of a vehicle. The calliper presses on the brake linings via the friction ring, thereby reducing the speed of the wheel and slowing the vehicle down.

CO2 emissions

Carbon dioxide emissions
Substances released into the environment (in this case carbon dioxide) are referred to as emissions.

Composite brake disc

Brake discs manufactured from a combination of cast iron and aluminium.

Friction ring (perforated/slotted)

The friction ring is the part of the àbrake disc onto which the brake linings press down. The friction ring can be equipped with holes (a perforated friction ring) or slots (slotted friction ring).

Hybrid vehicle

A hybrid vehicle is a motor vehicle that has one electric motor for drive purposes in addition to a combustion engine. The combustion engine also charges the battery to feed power to the electric motor.


The principle of machining is based on a wedge-shaped cutting tool entering the surface of a workpiece (metal, wood or plastic) and the subsequent removal of a thin layer of material in the form of chips. Here, the workpiece material always has to be harder than the material being processed. The chips are not always of the same shape and size, and can sometimes fall down during processing as very small particles – during grinding, for example. Methods that come under the heading of machining include drilling, turning or lathing.


Abbreviation for North American Free Trade Agreement, marking a zone of free trade in North America and extended economic cooperation between Canada, the US and Mexico.


Acronym for Original Equipment Manufacturer.

Powder metallurgy

In the powder metallurgy production process, different powdered metals are mixed and then pressed into a mould under pressure. During the subsequent heat treatment (Sinter) the granules of powder are firmly attached to their contact surfaces via diffusion of the atoms in the metal.


A moulded mass of powder is compressed and hardened below melting temperature by means of heat treatment. In contrast to pure smelting, the raw materials are not all melted but rather "baked together."

Tier-1 supplier

An automotive subcontractor commissioned by a carmaker.

Torque converter

In automotive construction, a torque converter is typically used in automatic gearboxes. It connects the engine crankshaft with the gearbox. The torque converter enables smooth starts and gentle gear changes.

Truck & Off-Highway applications

In the Truck & Off-Highway sector, the SHW Group manufactures pumps and engine components for, e.g. trucks, agricultural and construction vehicles, as well as stationary engines and wind power stations.

Valve timing

The valve timing on an engine denotes the moments when the valves of a four-stroke engine are opened or closed. Establishing the valve timing primarily involves criteria such as torque curve, power, fuel consumption, exhaust emissions and neutral quality.

Variable oil pump

A variable oil pump supplies the amount of oil needed for different engine operating states, dependent on oil pressure.

Quelle: SHW AG,