China wholesaler Investment Casting Parts Steel Pulley for Crane pulley drive

Product Description

Product Description

1. Material: Gray Iron or Ductile Iron;
Gray iron HT200-350 (GG20-35, FC200-350);Ductile Iron QT400-QT600(GGG40-GGG60,FCD400-FCD600)
2. Surface treatment: Shot blast, painting; Heat treatment is optional;
3. Custom according to your drawing, specification or samples;

Material

  Gray Iron Casting/Ductile Iron Casting  

Process

Resin sand casting/shell mold casting/investment + CNC machining

  Casting Tolerance   CT9-10 for Machine Molding Process,
  CT8-9 for Shell Molding and Lost Foam Molding Casting Process
  CT10-11 for Manual Molding Sand casting Process

Casting surface roughness

Ra 12.5-25 um

Casting weight range

3kg to 2.5tons per piece

Casting Size

As Requirement/As drawing

Machining surface roughness

   As Requirement

Material standard

GB, ASTM, AISI, DIN, BS, JIS, NF, AS, AAR

Surface treatment

KTL (E-coating), Zinc plating, Mirror Polishing, Sand Blasting, Acid pickling, black oxide, Painting, Hot galvanizing, Powder coating, and Nickel plating.

Service available

OEM & ODM

Quality control/Testing facility

Sectrometer, tensile test machine, hardness test machine,metallographic microscope. 100% inspection

Application

Train & railway, automobile& truck, construction machinery, forklift, agricultural machinery, shipbuilding, petroleum machinery,construction, valves and pumps, electric machine, hardware, power equipment, and so on.

 

Product Parameters

Mechanical character

Grey Iron Grade in GB 9439 Gray iron Castings
Gray Iron Grade Single Specimen
Tensile Strength
σb≥/Mpa
Wall Thickness
/mm
Tensile Strength
σb≥/Mpa
HT100 100 >2.5~10 130
>10~20 100
>20~30 90
>30~40 80
HT150 150 >2.5~10 175
>10~20 145
>20~30 130
>30~40 120
HT200 200 >2.5~10 220
>10~20 195
>20~30 170
>30~40 160
HT250 250 >2.5~10 270
>10~20 240
>20~30 220
>30~40 200
HT300 300 >10~20 290
>20~30 250
>30~40 230
HT350 350 >10~20 340
>20~30 290
>30~40 260

 

Ductile Iron Grade in GB1348 Ductile Iron Castings
Iron Grade Wall Thickness
/mm
Tensile Strength(Min Mpa) Yield Strength(Min Mpa) elongation
% Min
QT400-18A >30~60 390 250 18
>60~200 370 240 12
QT400-15A >30~60 390 250 15
>60~200 370 240 12
QT500-7A >30~60 450 300 7
>60~200 420 290 5
QT600-3A >30~60 600 360 3
>60~200 550 430 1
QT700-2A >30~60 700 400 2
>60~200 650 380 1

 

Gray Iron Material Grades
Country Standard Equivalent Grades of Grey Iron (Gray Cast Iron)
ISO ISO 185 100 150 200 250 300 350
China GB 9439 HT100 HT150 HT200 HT250 HT300 HT350
USA ASTM A48 NO.20 NO.30 NO.35 NO.40 NO.50 NO.55
NO.25 NO.45 NO.60
Germany DIN 1691 GG10 GG15 GG20 GG25 GG30 GG35 GG40
Austria
European EN 1561 EN-GJL-100 EN-GJL-150 EN-GJL-200 EN-GJL-250 EN-GJL-300 EN-GJL-350  
Japan JIS G5501 FC100 FC150 FC200 FC250 FC300 FC350
Italy UNI 5007 G10 G15 G20 G25 G30 G35
France NF A32-101 FGL150 FGL200 FGL250 FGL300 FGL350 FGL400
UK BS 1452 100 150 200 250 300 350
India IS 210 FG150 FG200 FG260 FG300 FG350 FG400
Spain UNF FG15 FG20 FG25 FG30 FG35
Belgium NBN 830-01 FGG10 FGG15 FGG20 FGG25 FGG30 FGG35 FGG40
Australia AS 1830 T150 T220 T260 T300 T350 T400
Sweden SS 14 01 O110 O115 O120 O125 O130 O135 O140
Norway NS11 100 SJG100 SJG150 SJG200 SJG250 SJG300 SJG350

 

Ductile /Nodular Cast Iron Material Grades
Country Standard Equivalent Grades of Ductile iron (SG Iron, Nodular Graphite Iron)
ISO ISO 1083 400-15 450-10 500-7 600-3 700-2 800-2 900-2
400-18
China GB 1348 QT400-18 QT450-10 QT500-7 QT600-3 QT700-2 QT800-2 QT900-2
USA ASTM A536 60-40-18 60-42-10 70-50-05 80-55-06 100-70-03 120-90-02
65-45-12 80-60-03
Germany DIN 1693 GGG40 GGG50 GGG60 GGG70 GGG80
Austria
European EN 1563 EN-GJS-400-15 EN-GJS-450-10 EN-GJS-500-7 EN-GJS-600-3 EN-GJS-700-2 EN-GJS-800-2 EN-GJS-900-2
EN-GJS-400-18
Japan JIS G5502 FCD400 FCD450 FCD500 FCD600 FCD700 FCD800
Italy UNI 4544 GS370-17 GS400-12 GS500-7 GS600-2 GS700-2 GS800-2
France NF A32-201 FGS370-17 FGS400-12 FGS500-7 FGS600-2 FGS700-2 FGS800-2
UK BS 2789 400/17 420/12 500/7 600/7 700/2 800/2 900/2
India IS 1865 SG370/17 SG400/12 SG500/7 SG600/3 SG700/2 SG800/2
Spain UNF FGE38-17 FGE42-12 FGE50-7 FGE60-2 FGE70-2 FGE80-2
Belgium NBN 830-02 FNG38-17 FNG42-12 FNG50-7 FNG60-2 FNG70-2 FNG80-2
Australia AS 1831 300-17 500-7 600-3 700-2 800-2
400-12
Sweden SS 14 07 0571 -02 0727-02 571-03 571-01 0864-03
Norway NS11 301 SJK-400.3 SJK-500 SJK-600 SJK-700 SJK-800  
SJK-400  

 

Company Profile

 

About Us

 

ZheJiang Shengrong High-end Equipment Manufacturing Industry Co., Ltd. is a professional Gray cast iron/Ductile iron foundry in ZheJiang province in China,We produce iron casting parts:Machinery Bases,Construction machinery parts, Industrial pump parts,Gearbox parts,Automotive parts,Agriculture machine parts and OEM part. We have passed quality management system ISO 9001 and IATF16949. Our factory is located in Maba Town, Xihu (West Lake) Dis. County, HangZhou City, ZheJiang province, covering an area of about 245 acres with new standardized factory building more than 200,000 square meters, office building of 6,000 square meters, more than 500 employees, including more than 100 technological engineer.

Our company produces ductile iron and gray cast iron series products, with an annual output of 80,000 tons,products are exported to the United States, Germany, Italy, Russia, Brazil, Vietnam, the Middle East and other regions.

Our company has a modern workshop, complete casting production equipment, advanced physical and chemical analysis, testing equipment, constantly importing the world’s advanced technology and a large number of professional technical personnel, expanding advanced production and testing equipment, so that make our products can meet the different requirements of customers

ZheJiang Shengrong does our best to provide high-quality foundry machinery parts for the market, Serves domestic and foreign customers with the most cost-effective products, and make our contributing to China’s foundry industry.
 

Technology

Gray/Ductile/Nodular Iron Casting Parts-Our Process

Investment Casting         Resin Sand/Coated Sand Casting           Shell Moulding

 

Detailed Photos

Our Equipment and Testing

Certifications

 

 

FAQ

How to order?

1:Before quotation, please send me requirement details:
Casting Iron grade and number; Testing rod specification;
Casting parts order quantity;
The detailed drawing to indicate the tollerance(size, weight), technology standard,roughness;
Offering mold-yes or no;
Machining requirement details;
Heat treament;
Shipping details if special;
Testing requirement -If need and details;
Other information if required

2: Small order and samples order is acceptable by our factory
Contact us for price and details now
 

Casting Method: Thermal Gravity Casting
Process: Investment Casting
Molding Technics: Gravity Casting
Application: Machinery Parts
Material: Ductile Iron/Grey Iron
Surface Preparation: Sand Blast
Customization:
Available

|

Customized Request

cast pulley

How do cast pulleys contribute to the functioning of textile looms for weaving?

Cast pulleys play a crucial role in the functioning of textile looms for weaving, enabling the precise and controlled movement of various components involved in the weaving process. They are utilized in different parts of the loom to facilitate the operation of the warp and weft threads, ensuring the creation of intricate and well-structured woven fabrics. Here’s a detailed explanation of how cast pulleys contribute to the functioning of textile looms for weaving:

  • Warp Thread Control: Cast pulleys are used in textile looms to control the movement of warp threads. Warp threads are the vertical threads that run the length of the loom and form the foundation of the woven fabric. Cast pulleys guide the warp threads, allowing them to move smoothly and accurately during the weaving process. By maintaining proper tension and alignment, cast pulleys ensure that the warp threads are positioned correctly and interlaced with the weft threads to create the desired weave structure.
  • Weft Thread Control: Cast pulleys also contribute to the control and movement of weft threads in textile looms. Weft threads are the horizontal threads that interlace with the warp threads to form the fabric. Cast pulleys guide the weft threads across the loom, regulating their path and tension. By coordinating the movement of the weft threads with the warp threads, cast pulleys enable the weaving process to create the desired pattern and fabric structure.
  • Mechanical Advantages: Cast pulleys provide mechanical advantages in textile looms, assisting with the operation of various mechanisms. For example, they can be used in conjunction with harnesses or heddles, which raise and lower specific warp threads to create the shed (the opening through which the weft thread is inserted). By incorporating cast pulleys into these mechanisms, the loom can achieve controlled and precise movements, allowing for intricate weaving patterns and designs.
  • Tension Regulation: Cast pulleys assist in regulating the tension of the threads in textile looms. Proper tension is crucial for achieving even and uniform weaving. Cast pulleys, along with tensioning mechanisms, help maintain consistent tension in the warp and weft threads throughout the weaving process. This ensures that the fabric being woven is of high quality, with balanced tension and minimal distortion.
  • Speed and Efficiency: Cast pulleys contribute to the speed and efficiency of textile looms by facilitating smooth and controlled movements. High-quality cast pulleys with low friction bearings or bushings minimize resistance and allow for rapid and precise thread positioning. The smooth operation provided by cast pulleys enhances the overall productivity and output of the weaving process.
  • Accessory Integration: Cast pulleys enable the integration of various accessories and attachments in textile looms. They can support the attachment of mechanisms for pattern formation, such as dobby or jacquard systems. These systems utilize cast pulleys to control the movement of the individual warp threads, allowing for intricate and complex patterns to be woven into the fabric.

In summary, cast pulleys are essential components in textile looms for weaving. They contribute to the functioning of the loom by controlling the movement of warp and weft threads, providing mechanical advantages, regulating tension, enhancing speed and efficiency, and enabling the integration of accessories. Cast pulleys play a vital role in the precise and controlled weaving process, ensuring the creation of high-quality woven fabrics with intricate patterns and structures.

cast pulley

How does the casting process affect the quality of pulleys?

The casting process plays a crucial role in determining the quality of pulleys. The casting technique used, along with various factors related to the process, can significantly impact the final quality and performance of the pulleys. Here are some ways in which the casting process affects the quality of pulleys:

  • Material Integrity: The casting process ensures the integrity of the material used for the pulley. It allows for the precise control of the composition and metallurgical properties, ensuring that the pulley material meets the required strength, hardness, and other mechanical properties. Proper material selection and control during casting contribute to the overall quality and durability of the pulley.
  • Dimensional Accuracy: Casting enables the production of pulleys with precise dimensional accuracy. Through careful mold design and control over the casting process parameters, it is possible to achieve tight tolerances and accurate replication of the pulley’s geometry. Dimensional accuracy is essential for proper belt or chain alignment, smooth operation, and effective power transmission.
  • Surface Finish: The casting process affects the surface finish of the pulleys. Proper mold design, gating system, and casting techniques help minimize surface defects such as porosity, shrinkage, or roughness. A smooth and defect-free surface finish is important for reducing friction, ensuring proper belt or chain engagement, and preventing premature wear or damage to the power transmission components.
  • Mechanical Strength: The casting process influences the mechanical strength of the pulleys. Proper cooling rates, controlled solidification, and heat treatment techniques during casting can enhance the pulley’s strength and toughness. This is crucial to withstand the forces and stresses involved in power transmission, ensuring a reliable and safe operation of the machinery.
  • Consistency and Reproducibility: The casting process allows for consistent and reproducible production of pulleys. Once the casting parameters are optimized and the mold is prepared, the process can be repeated to produce pulleys with consistent quality and performance. This is particularly important for industries that require multiple pulleys with identical specifications for equipment standardization and interchangeability.
  • Quality Control: The casting process involves various quality control measures to ensure the desired quality of pulleys. This includes inspection and testing of the casting materials, monitoring of process parameters, and non-destructive testing of the finished pulleys. Quality control measures help identify any defects, ensure compliance with specifications, and improve the overall quality and reliability of the pulleys.

In summary, the casting process directly impacts the quality of pulleys by influencing material integrity, dimensional accuracy, surface finish, mechanical strength, consistency, and reproducibility. By employing appropriate casting techniques, controlling process parameters, and implementing effective quality control measures, manufacturers can produce high-quality pulleys that meet the requirements of power transmission applications in various industries.

cast pulley

How does a cast pulley differ from other types of pulleys?

A cast pulley has several distinguishing characteristics that set it apart from other types of pulleys. Here’s a detailed explanation:

1. Manufacturing Process:

The primary difference lies in the manufacturing process. Cast pulleys are made by pouring molten metal, such as cast iron or steel, into a mold to create the desired pulley shape. This casting process allows for the production of pulleys with complex geometries and intricate details. In contrast, other types of pulleys may be manufactured through processes like machining, forging, or stamping.

2. Construction and Material:

Cast pulleys are typically made of solid metal, ensuring strength and durability. The casting process results in a pulley with a uniform and continuous metal structure throughout its body. This makes cast pulleys robust and capable of handling heavy loads in various machinery applications. Other types of pulleys, such as pulleys made through machining or stamping processes, may consist of multiple components or be constructed from different materials like plastic or composite materials.

3. Load-Bearing Capacity:

Due to their solid metal construction, cast pulleys generally have high load-bearing capacity. They are designed to withstand heavy loads and endure demanding operating conditions. This makes them suitable for applications where significant power transmission or handling of heavy materials is required.

4. Customization and Versatility:

Cast pulleys offer customization options to meet specific machinery requirements. They can be manufactured with different groove configurations, such as V-grooves, flat grooves, or multi-grooves, depending on the type of belt used and the desired power transmission characteristics. Other types of pulleys may have limited customization options or come in standardized designs.

5. Application Range:

Cast pulleys find application in a wide range of machinery across different industries. They are commonly used in equipment such as conveyors, elevators, fans, pumps, and various types of power transmission systems. The robustness and durability of cast pulleys make them suitable for demanding industrial environments.

6. Availability and Replacement:

Cast pulleys are readily available in the market, making replacements relatively easy. In case of damage or wear, cast pulleys can be replaced with new ones of the same specifications. Other types of pulleys may have specialized designs or limited availability, which can affect the ease of replacement.

7. Cost:

The cost of cast pulleys may vary depending on factors such as size, material, and customization. Compared to other types of pulleys, cast pulleys may have higher upfront costs due to the casting process and the use of solid metal. However, their durability and load-bearing capacity can offset the initial investment by providing long-term reliability and reduced maintenance needs.

In summary, cast pulleys differ from other types of pulleys in terms of their manufacturing process, construction, load-bearing capacity, customization options, application range, availability, and cost. These unique characteristics make cast pulleys suitable for various industrial applications where strength, durability, and efficient power transmission are essential.

China wholesaler Investment Casting Parts Steel Pulley for Crane   pulley driveChina wholesaler Investment Casting Parts Steel Pulley for Crane   pulley drive
editor by CX

2023-10-23

Cast pulley

As one of the cast pulley manufacturers, suppliers, and exporters of mechanical products, We offer cast pulley and many other products.

Please get in touch with us for details.

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