| Type: | Brake Discs |
|---|---|
| Material: | Iron |
| Position: | Rear |
| Certification: | ISO/TS16949, IATF-16949, ISO9001, ISO9002, ECE |
| Classification: | Disc |
| Drum Brakes Classification: | Brake Drum |
| Customization: |
|---|
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Audited Supplier | Cast iron | ||||||||||||
| CHEMICAL COMPOSITION(mass%) | ||||||||||||
| C | SI | Mn | Ni | Cr | Mo | Cu | S | P | Sn | Ti | V | |
| % MIN | 3.65 | 1.6 | 0.4 | / | 0.15 | / | 0.3 | / | / | / | / | / |
| % MAX | 3.8 | 2.1 | 0.8 | 0.1 | 0.35 | 0.25 | 0.6 | 0.15 | 0.1 | 0.15 | 0.05 | 0.05 |
| MICROSTRUCTURE | ||||||||||||
| MATRIX | Type of matrix | Fine Lamellar | ||||||||||
| Permissible limit | 5% Max, well distributed | |||||||||||
| Ledebutite | Not permissible | |||||||||||
| GRAPHITE (To UNI EN ISO 945) | Shape | ∣ | ||||||||||
| Distribution | A: 70% MIN | |||||||||||
| D·E:<4% Disporsed | ||||||||||||
| B: Resto/Remainder | ||||||||||||
| Size | 3- 4 -5 : 70% MIN | |||||||||||
| 2: Traces | ||||||||||||
| 6:≤15% | ||||||||||||
| Cementite and free carbides | Traces up pt 1% MAX permissible | |||||||||||
| MECHANICAL PROPERTIES OF CASTING | ||||||||||||
| HARDNESS (HBW) | On machined braking surfaces | 170~210 | ||||||||||
| On braking surfaces as-cast (0.5 mm below surface) | 230MAX | |||||||||||
| TENSILE STRENGTH(Rm) (N/m²) | On braking surface | 170 MIN | ||||||||||
| On mounting flange | ||||||||||||
| WEDGE INDENTATION STRENGTH (Rmk)(N/m²) | On braking surface | 125 MIN | ||||||||||
| Young's MODULUS (E) (N/m²) | / | 95 | ||||||||||
| PHYSICAL PROPERITIES (Indicative values) | ||||||||||||
| Density (volumic mass) | 7.1 kg/dm³ | |||||||||||
| Coefficient of thermal expansion at 20 degree | 9.10 1/K | |||||||||||
| Thermal conductivity at 100 degree | 50 W/Mk | |||||||||||
Automatic core production
6 Cool-box core production centres with automated core handling
High-rack core depot with a capacity of 20,000 cores
Fully automatic core transport to moulding plants
Moulding material preparation
Computer-controlled processing of clay-bonded moulding material
3 automatic vacuum mixers
Smelting
4 medium-frequency crucible furnaces
1 unlined water-cooled hot-blast cupola furnace
1 mains frequency channel-type induction furnaces
4 mains frequency crucible furnaces
The smelting output is currently 260,000 tonnes of molten iron per year, which Buderus Guss makes exclusively using steel scrap and returns.
Moulding and casting
6 fully automated vertical moulding plants
6 induction-heated casting furnaces
Camera-controlled fully automatic casting stopper controls
Laser-controlled casting stopper control
Raw casting finishing
Blasting and grinding in a through-feed process with four countinous rocker Barrel
Automatic visual inspection of brake discs with 4 triangular laser camera systems
Automatic robot-driven packaging of brake discs
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