Suzuki SES D 2203 Suzuki Ignis Standard Discs/Drums Front (Pair)

Developed by Suzuki, a Japanese automotive manufacturer, under Suzuki engineering standards , the “Suzuki SES D 2203 Suzuki Ignis standard discs/drums front (pair)” standard describes the requirements for front (pair) brake discs used in Suzuki Ignis models.

A brake disc is usually an iron or carbon composite disc mounted on a car's suspension and held in place by the brake pads in the brake caliper. The friction between the brake disc and the pads brings the car to a halt.

The brake disc has several advantages over the brake drum, as it dissipates heat quickly, providing powerful and consistent braking performance. Disc brakes also give the driver more feel for the pedal, allowing them to more easily modulate pressure for a smooth stop. In higher-performance applications, a brake disc is actually two discs connected side by side with several rotors. This actually makes the disc more ventilated, helping with cooling and performance.

Brake discs are also commonly used on motorcycles and are drilled to improve wet weather braking performance. Instead of the brake pad having to squeeze water from the surface of the disc and inhibiting stopping ability, the water is forced into the holes in the disc, allowing the brake pads to grip the disc as intended.

As a way of avoiding the stresses caused by excessive heat generation during braking, some discs are mounted almost loosely to the hub, sometimes by means of coarse wedges. This loose mounting allows the disc to expand evenly with heat and prevents it from transferring too much heat to the hub on which it is mounted, which could cause failure.

Disc brake technology has advanced to the point where it is no longer just used on cars and motorcycles today. Pedal cycles now often have disc brakes as standard because they provide stronger and more consistent performance in adverse weather conditions. This type of braking system is also lightweight enough that it does not affect the overall performance of the vehicle.

The front axle brakes of vehicles are almost always disc brakes because they are less likely to lock up and dissipate heat better. Drum brakes, on the other hand, are most often used on the rear axle. Rear drum brakes can apply more force and lock the wheel when necessary without making the car impossible to control.

Cast iron and carbon are the two main materials used in making brake discs. Carbon has the advantage of having high thermal resistance and being light. Its disadvantage is that it is expensive. It is generally used in racing cars. Cast iron is the more commonly used base material.

Three types of cast iron are used: gray cast iron, ductile cast iron, and CV cast iron. Each has a different graphite composition.

• Gray cast iron (flake graphite cast iron) has excellent machinability and anti-wear properties. Gray cast iron has the advantage of being easily mass-produced, making it the most widely used material by disc manufacturers. Its disadvantage is that it can be deformed or cracked under repeated sudden temperature changes in the high temperature range (about 800 degrees).
• Ductile cast iron is an excellent material. The tensile strength of ductile cast iron is equal to that of steel. Ductile cast iron also has a high heat-inhibiting capacity, stability against expansion and contraction. However, it has low surface hardness, which may cause abnormal wear or abnormal heating due to its high exothermicity if the material is used for brake discs.
• CV (compact vermicular) cast iron has an intermediate character between gray cast iron and ductile cast iron. In the production process, the quality control of CV cast iron is extremely difficult, so its quality varies. Sometimes it is closer to gray cast iron, sometimes to ductile cast iron. After extensive testing, gray cast iron with special additives is used in brake discs.

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