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

What is the importance of proper pulley alignment and tensioning in cast pulley systems?

Proper pulley alignment and tensioning are of utmost importance in cast pulley systems. Ensuring accurate alignment and optimal tension in these systems offers several benefits and plays a significant role in achieving efficient and reliable operation. Here are the key reasons why proper pulley alignment and tensioning are crucial:

  • Prevention of Belt or Chain Slippage: Proper pulley alignment and tensioning help prevent belt or chain slippage in cast pulley systems. When pulleys are misaligned or tensioned inadequately, belts or chains can slip, causing reduced power transmission efficiency, loss of torque, and potential damage to the pulleys or other components. By aligning the pulleys correctly and maintaining appropriate tension, the grip between the pulleys and the belt or chain is maximized, ensuring smooth power transfer without slippage.
  • Extended Belt or Chain Lifespan: Accurate pulley alignment and proper tensioning contribute to the extended lifespan of belts or chains used in cast pulley systems. Misalignment or excessive tension can cause increased wear and fatigue on the belt or chain, leading to premature failure and the need for frequent replacements. By aligning the pulleys correctly and applying the right tension, the load is distributed evenly across the belt or chain, minimizing wear and prolonging its lifespan. This reduces downtime and maintenance costs associated with belt or chain replacements.
  • Reduction of Power Loss: Proper pulley alignment and tensioning minimize power loss in cast pulley systems. Misalignment or inadequate tension results in increased friction between the belt or chain and the pulleys, leading to energy losses in the form of heat and vibration. This can decrease the overall efficiency of the system, requiring higher energy input to achieve the desired output. By aligning the pulleys accurately and maintaining optimal tension, power loss due to friction is minimized, maximizing the efficiency and energy savings of the system.
  • Prevention of Component Wear and Damage: Correct pulley alignment and tensioning help prevent excessive wear and damage to components in cast pulley systems. Misalignment can cause the belt or chain to rub against pulley flanges or adjacent parts, resulting in accelerated wear and potential damage to the pulleys, bearings, or other system components. Inadequate tension can lead to excessive vibrations and dynamic forces, which can cause fatigue failure or premature wear on pulleys, shafts, or bearings. Proper alignment and tensioning reduce these risks, prolonging the lifespan of equipment and minimizing maintenance requirements.
  • Optimal Performance and Efficiency: Proper alignment and tensioning of cast pulleys ensure optimal performance and efficiency of the overall system. Accurate alignment allows for smooth and consistent operation of belts or chains, maintaining the intended path and preventing unnecessary strain or resistance. Optimal tensioning ensures the right level of grip and power transmission, facilitating efficient energy transfer and minimizing energy losses. These factors contribute to improved overall system performance, productivity, and energy efficiency in cast pulley systems.
  • Enhanced Safety: Correct pulley alignment and tensioning promote safety in cast pulley systems. Misaligned pulleys or improperly tensioned belts or chains can pose safety hazards, such as sudden belt disengagement, unexpected movement of components, or increased risk of accidents. Proper alignment and tensioning reduce the likelihood of such incidents, creating a safer working environment for operators and maintenance personnel.

In summary, proper pulley alignment and tensioning are crucial for cast pulley systems to prevent belt or chain slippage, extend the lifespan of belts or chains, reduce power loss, prevent component wear and damage, optimize performance and efficiency, and enhance safety. These practices contribute to the reliable and efficient operation of cast pulley systems, minimizing downtime, maintenance costs, and the risk of equipment failure.

cast pulley

Can cast pulleys be part of woodworking and milling equipment?

Yes, cast pulleys can indeed be a part of woodworking and milling equipment, playing a crucial role in the operation and performance of these types of machinery. The use of cast pulleys in woodworking and milling equipment offers several benefits and serves various functions. Here are some key points to consider:

  • Power Transmission: Cast pulleys are essential components in woodworking and milling machinery for power transmission. They are responsible for transferring power from the motor or drive system to different parts of the equipment, such as cutting blades, spindles, or feed mechanisms. The pulleys enable the conversion of rotational energy into linear motion or the transfer of power from one system to another, enabling the performance of woodworking and milling operations.
  • Belt and Chain Drives: Woodworking and milling equipment often utilize belt or chain drives, and cast pulleys play a critical role in these systems. They provide the driving force to move belts or chains, which, in turn, transfer power to various components. For example, in table saws, cast pulleys drive the belts that rotate the saw blade, enabling precise cutting of wood. In milling machines, pulleys drive the belts that move the workpiece or the cutting tools, facilitating the milling process.
  • Tensioning and Clutching: Cast pulleys are also involved in tensioning and clutching systems in woodworking and milling equipment. Tensioning pulleys help maintain proper tension in belts or chains, ensuring optimal power transmission and preventing slipping or loss of efficiency. Clutching pulleys allow for engagement and disengagement of power transmission, enabling the operator to control the operation of specific equipment or implement. These pulleys enhance safety, efficiency, and control in woodworking and milling processes.
  • Speed Control: Cast pulleys are utilized in speed control mechanisms in woodworking and milling machinery. By varying the size or configuration of the pulleys, the speed of driven components can be adjusted. This allows operators to match the speed of cutting tools or workpieces to optimize performance and achieve desired results. For instance, in woodworking routers, cast pulleys can be used to regulate the rotational speed of the router bit, allowing for precise shaping or carving of wood.
  • Component Integration: Cast pulleys serve as integral components that facilitate the integration of different parts in woodworking and milling equipment. They provide the means to connect and synchronize various components within the machinery system, such as connecting the power source to the cutting tool or linking the main driveline to auxiliary mechanisms. Cast pulleys ensure smooth operation and coordination among different parts, improving the overall functionality and performance of woodworking and milling equipment.
  • Load Handling: In certain woodworking and milling applications, cast pulleys are involved in load handling. For example, in lumber mills, pulleys are used to operate conveyor systems that transport logs or lumber from one location to another, such as loading them onto trucks or feeding them into the milling machines. Cast pulleys enable the efficient movement and handling of wood materials, streamlining the milling and processing operations.

The specific role and application of cast pulleys in woodworking and milling equipment may vary depending on the type of machinery, the specific woodworking or milling process, and the desired outcomes. Factors such as load requirements, cutting precision, environmental conditions, and maintenance practices should be considered when selecting and integrating cast pulleys into woodworking and milling machinery.

In summary, cast pulleys can be integral components of woodworking and milling equipment, contributing to power transmission, belt and chain drives, tensioning and clutching systems, speed control, component integration, and load handling. Their presence enhances the efficiency, functionality, and performance of woodworking and milling processes, ultimately facilitating precise cutting, shaping, and processing of wood materials.

cast pulley

Can cast pulleys be customized for specific machinery and equipment?

Yes, cast pulleys can be customized to meet the specific requirements of machinery and equipment. The versatility of cast pulleys allows for customization in terms of size, shape, configuration, and other specifications. Here are some key points regarding the customization of cast pulleys:

  • Size and Dimensions: Cast pulleys can be tailored to different sizes and dimensions to suit the space limitations and power transmission needs of specific machinery and equipment. The diameter and width of the pulley can be adjusted to ensure proper belt or chain alignment and optimal power transmission efficiency.
  • Groove Profiles: The groove profiles on cast pulleys can be customized to match the specific type of belt or chain used in the power transmission system. Different groove shapes, such as V-shaped, round, or flat, can be incorporated to ensure a secure and efficient grip on the belt or chain, minimizing slippage and maximizing power transmission capability.
  • Material Selection: Depending on the requirements of the machinery and the operating conditions, the material used for casting the pulley can be selected or modified. Cast pulleys are commonly made from materials such as cast iron, cast steel, or cast aluminum, each offering different characteristics in terms of strength, durability, and resistance to corrosion or wear.
  • Shaft Attachment: Cast pulleys can be customized to accommodate different shaft attachment methods. The pulley can be designed with keyways, set screws, or other mechanisms to securely attach it to the shaft, ensuring proper alignment and preventing slippage during power transmission.
  • Surface Finish: The surface finish of cast pulleys can be customized to meet specific requirements. Depending on the application, the pulley surface may need to be smooth, polished, or textured to enhance belt or chain grip, reduce friction, or improve overall performance.
  • Additional Features: Cast pulleys can be customized with additional features or accessories to enhance functionality or address specific needs. This may include the addition of flanges, hubs, or other components that facilitate the integration of the pulley into the machinery or equipment.

By offering customization options, cast pulleys can be tailored to fit the unique requirements of different machinery and equipment. This ensures optimal performance, efficiency, and reliability in power transmission applications across various industries.

China Professional Investment Casting Parts Steel Pulley for Crane   with Hot selling	China Professional Investment Casting Parts Steel Pulley for Crane   with Hot selling
editor by CX

2023-10-07

Cast Iron Pulley

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

Please get in touch with us for details.

Manufacturer supplier exporter of the cast iron pulley.

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