| 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
Company Information:
Qingdao Pujie Industry Co., Ltd. is a worldwide leader,specializing in disc brake pads and shoes,brake discs and drums for all makes and models of passenger and commercial vehicles. PUJIE continuously strives for high level of customer satisfaction, by maintaining high quality raw material, advance production technology and fast delivery.
PUJIE® products are manufactured under ISO/TS 16949 & ISO 9001 certifications to ensure the highest level of quality.
FAQ:
Q1: Are you a manufacturer or a trading company?
A1: PUJIE is one of the largest professional manufacturers of brake discs and brake pads in China. Products cover 5,000+ brake disc part numbers, 3000+ brake pads part numbers, 96%+ car park coverage of brake discs and brake pads from A to Z for both passenger cars and commercial vehicles.
Q2: What certifications do you have?
A2: IATF16949, ISO14001, ISO45001, ECE R90, CNAS, etc.
Q3: How about your lead time?
A3: Usually, 6~8 weeks after receiving purchase orders.
Q4: Can you provide the catalogue of your products?
A4: Please contact us for more info. We will reply to you as per different market.
If any further questions , welcome to contact us. thank you very much.
