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Wheel Ductile Cast Iron Dynamic Balance Machining Parts For Tractor Components

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Wheel Ductile Cast Iron Dynamic Balance Machining Parts For Tractor Components

Wheel Ductile Cast Iron Dynamic Balance Machining Parts For Tractor Components
Wheel Ductile Cast Iron Dynamic Balance Machining Parts For Tractor Components

Large Image :  Wheel Ductile Cast Iron Dynamic Balance Machining Parts For Tractor Components

Product Details:

Place of Origin: China
Brand Name: non-standard
Certification: ISO9001;TS16949
Model Number: custom-built

Payment & Shipping Terms:

Minimum Order Quantity: 1 Ton
Price: quote according to drawing technical requirements
Packaging Details: Plywood crate + VCI Anti-Rust Bag
Delivery Time: within 60 days
Payment Terms: T/T, L/C
Supply Ability: 500 Tons every month
Detailed Product Description
Material: Ductile Iron GGG40 Process: Green Sand Casting Process
Machining: CNC Machining Surface: Shot Blasting
Used For: Tractor Packing: Plywood Crate
High Light:

nodular cast iron

,

spheroidal cast iron

 

Wheel Castings For Tractor Cast Ductile Iron Components Dynamic Balance Machining Parts

 

 

Product Description and Process

 

1. Wheel Castings For Tractor Cast Ductile Iron Components Dynamic Balance Machining Parts

 

2. Production process:

 

green sand molding process
precoated sand molding process
resin sand molding process

 

 

3. we can produce iron castings from 50 gram to 2000 kilograms

 

4. making sand molds by:

 

handwork molding
shell molding machines
molding machines
automatic molding production line

 

 

5. Machining process: CNC machine, machining center, lathe, mill machine, drill machine, dynamic balancing machine etc.

 

6. Surface treatment process: paint coating, electrophoretic coating, electrogalvanizing coating, black oxide coating, phosphate coating, powder coating, etc.

 

Product Material and Uses

 

1. Normally produce with gray iron HT200, HT250, ductile iron 65-45-12, 60-40-18, 80-55-06, 80-60-03, etc.

 

2. The ductile iron casting products are widely used for Auto-cars, trains, trucks, vehicle components, mining machinery components, agricultural machinery parts, textile machinery parts, construction machinery parts, etc.

 

 

Nodular cast iron identification

 

1. Structure:


Nodular cast iron otherwise popularly known as ductile cast iron varies from the rest of the cast iron varieties with its nodular graphite spherical structures. These graphite spheres differ in their size, quantity and the arrangement pattern. The main difference is the spherical shape of these graphite molecules unlike the graphite flakes found in grey iron. Ductile iron or nodular cast iron differs in its chemical composition due to the presence of these graphite inclusions formed by the influence of magnesium, cerium and other particles. Therefore nodular cast iron or ductile iron has more tensile strength, high elasticity and toughness than any other cast iron types. Since it has a high stiffness equal to that of a cast steel, it serves as a suitable choice for the manufacturing of parts like propeller shafts.

Nodular cast iron is produced by melting the metal initially. This molten metal is then inoculated with smaller quantities of magnesium and cerium. The free carbons present in the final product form a surface of the round graphite nodules or spheres which are surrounded by ferrite. This adds to the elasticity of the metal.

 

2. Mechanical properties:


The mechanical properties of nodular cast iron are greatly influenced by the arrangement patterns of the graphite nodules. This determines the various grades of ductile iron offering a wide range of choice for various purposes. The various mechanical properties of nodular cast iron include toughness, tensile strength, elasticity, ductility, hardness and fatigue strength.

 

3. Physical properties:


The various physical properties of a nodular cast iron include density, thermal expansion, conductivity, magnetic properties, electrical properties and heat capacity. In comparison to grey iron, nodular cast iron has a very high tensile strength up to 90k psi. It is also very strong than grey iron and has good fracture resistance. It has good resistance to any pressure than grey iron.

 

4. Chemical composition:

 

Nodular cast iron has a chemical composition of several elements including Carbon, Silicon, Manganese, Phosphorous, Sulfur and Magnesium. Carbon is present up to 3.8%, Silicon is up to 3.2, Magnesium up to 0.06. Manganese less than 0.5, Phosphorous less than 0.08, Sulfur less than 0.08 and copper less than 0.40%.

 

 

 

Common Ductile Iron Grades

 

While there are many different ductile iron specifications, foundries routinely offer 3 common grades;

 

Physical and Mechanical Properties ASTM A536, Grade 60-40-18 ASTM A536, Grade 65-45-12 ASTM A536, Grade 80-55-06
Tensile Strength, min, psi 60,000 65,000 80,000
Tensile Strength, min, MPa 414 448 552
Yield Strength, min, psi 40,000 45,000 55,000
Yield Strength, min, MPa 276 310 379
Elongation in 2 in. or 50 mm, min % 18 12 6
Density lb/in3 0.256 0.256 0.256
Density g/cm3 7.1 7.1 7.1
Melting Temperature (Degrees F) 2,100 – 2,190 2,100 – 2,190 2,100 – 2,190
Melting Temperature (Degrees C) 1,150 - 1,200 1,150 - 1,200 1,150 - 1,200
Compressive Strength Ksi 429 429 429
Compressive Strength MPa 2960 2960 2960
UNS F32800 F33100 F33800

 

 

Shell Molding Castings Process

 

Probably the earliest most automated and most rapid of mold and core making processes was the heat-curing technique known as the Shell Molding process.

 

Resin-bounded silica sand is placed onto a heated pattern for a predetermined time. Ejector pins enable the mold to be released from the pattern and the entire cycle is completed in seconds depending upon the shell thickness. The two halves of the mold, suitably cored, are clamped together prior to the pouring of the metal.

 

Shell molds may be stored for long periods if desired. Because of pattern cost this method is best suitable for volume production.

 

Advantages

 

Shell Molding molds may be stored for long time. Good casting detail, appearance and dimensional accuracy. Sand molds is light in weight.

 

Disadvantages

 

High pattern cost, higher material cost compared to green sand molding. Not suitable for big castings.

Contact Details
Zhengzhou Yu-Long Machinery Equipment Co., Ltd.

Contact Person: Mr. James Wang

Tel: +86 13213152686

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