Product Description

Application

• Agricultural equipment

• Armament

• Automobile industry

• Computing equipment

• Medical / dental instruments

• Measuring instruments

•Miscellaneous equipment

•Pharmaceutical industry

• Orthopedic implants

• Safety equipment

• Petrochemical industry

• Industrial valves

•Fixing and movable equipment

• Sanitary fittings

• General machinery

• Pumps and general connections

• Food and beverage processing

• Instrumentation equipment

General Products
Application/Service Area

Metal Parts Solution for Vehicle, Agriculture machine, Construction Machine, transportation equipment, Valve and Pump system, Agriculture machine metal Parts, engine bracket, truck chassis bracket, gear box , gear housing , gear cover, shaft, spline shaft , pulley, flange, connection pipe, pipe, hydraulic valve , valve housing ,Fitting , flange, wheel, fly wheel, oil pump housing, starter housing, coolant pump housing, transmission shaft , transmission gear, sprocket, chains etc.
 

Main blank Process for Casting

CHINAMFG , Resin Sand Casting, Green Sand Casting, Shell Molding, Automatic Molding, Lost Wax Casting, Lost Foam Molding Casting
 

Blanks Tolerance -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
Applicable Material

See Table Below (Ductile Iron Casting, Grey Iron Casting)
OR According to customer requirement
 

Casting Blank Size /Dimensions 2 mm-2000mm / 0.08inch-79inch for casting iron, according to customer requirement
Casting Blank Weight Range from 0.01kg-1000kg for foundry sand casting
Applicable Machining Process

CNC Machining/ Lathing/ Milling/ Turning/ Boring/ Drilling/ Tapping/ Broaching/Reaming /Grinding/Honing and etc.
 

Machining Tolerance From 0.005mm-0.01mm-0.1mm
Machined Surface Quality Ra 0.8-Ra3.2, according to customer requirement
Applicable Heat Treatment

Normalization , annealing, quenching and tempering, Case Hardening, Nitriding, Carbon Nitriding, Induction Quenching
 

Applicable Finish Surface Treatment

Shot/sand blast, polishing, Surface passivation, Primer Painting , Powder coating, ED- Coating, Chromate Plating, zinc-plate, Dacromat coating, Finish Painting.
 

MOQ For iron casting : 100pcs
For Machining : 50pcs
Lead Time 45days from the receipt date of deposit for iron sand casting

Ductile Iron Casting Material Comparison Table:

Cast iron with nomular graphite
DIN EN 1563
Germany
DIN 1693
France
NF
Great Britain
BS
Netherlands
NEN
Sweden
MNC
USA
ASTM A536
EN-GJS-350-22-LT GGG-35.3 FGS 370-17 370/17 GN 38 0571 -15 —-
EN-GJS-400-18-LT GGG-40.3 —- —- —- —- 60-40-18
EN-GJS-400-15 GGG-40 FGS-400-12 420/12 GN 42 0571 -02 60-40-18
EN-GJS-400-10 —- —- 420/12 —- —- 65-45-12
EN-GJS-500-7 GGG-50 FGS-500-7 500/7 GN 50 0727-02 65-45-12/
80-55-06
EN-GJS-600-3 GGG-60 FGS-600-3 600/3 GN 60 571-03 80-55-06
EN-GJS-700-2 GGG-70 FGS-700-2 700/2 GN 70 571-01 100-70-03
EN-GJS-800-2 GGG-80 FGS-800-2 800/2     120-90-02
EN-GJS-1000-5 (DIN EN 1564) GGG-100B/A —- —- —- —- 850-550-10
EN-GJS-AX NiSiCr35 5 2 GGG-
NiSiCr 35 5 2
FGS-
Ni35Si5Cr2
S5S —- —- Type D-5S

Grey Iron Casting Material Comparison Table:

Cast iron with lamellar graphite
DIN EN 1561
Germany
DIN 1691
France
NF
Great Britain
BS
Netherlands
NEN
Sweden
MNC
USA
ASTM A48
EN-GJL-150 GG-15 Ft 15 D Grade 150 GG 15 01 15-00 20 B / 25 B
EN-GJL-200 GG-20 Ft 20 D Grade 180/220 GG 20 01 20-00 25 B / 30 B
EN-GJL-250 GG-25 Ft 25 D Grade 220/260 GG 25 01 25-00 35 B / 40 B
EN-GJL-300 GG 30 Ft 30 D Grade 300 GG 30 01 30-00 40B / 45 B

 

Products shown here are made to the requirements of specific customers and are illustrative of the types of manufacturing capabilities available within CHINAMFG group of companies.
Please send us your detailed drawing/ sample/requirements for us offering a reasonable quotation to you and we will trying our best to make the goods in good quality and delivery in time .
CHINAMFG policy is that none of these products will be sold to 3rd parties without written consent of the customers to whom the tooling, design and specifications belong.

 

Sand casting mfg. process
 

Pattern Design -> Pattern Manufacture -> Pattern Test -> Qualified Sample -> Mass Production -> Sand Shakeout -> Polishing -> Sand Blasting -> Surface Treatment (panting) -> CNC machining -> Inspection -> Clearning & Anti-rust -> Packing & Shipping QC System: raw material inspection, FAI, IPQC, random inspection, final full inspection before shipping. Standard: ANSI , ASME, DIN, BS, JIS, ASTM, GB etc.

 

Casting Parts Advantages

1.Wide suitability.The metal casting process almost free from the restrictions of the size, thickness and shape of castings, casting wall thickness can be up to 0.3-1000 mm, the length varies from a few millimeters to 10 meters, and the quality can be from a few grams to more than 300t. 2.With a higher specific pressure, the dimensional accuracy and surface finish of the castings are higher. 3.The whole line has a high degree of automation. The operator only needs to control the button base to check the production line. The labor intensity is low, there is no shock during the production process, and the noise is low. 4.High production efficiency, generally up to 450 type/hour or more, simple equipment matching and few failures. 5.Good economy, no sand box, few auxiliary machines, and low daily maintenance.



Technical Support:
ZheJiang CHINAMFG is professional at independent development and design. Our engineers are skilled at AUTO CAD, PRO ENGINEER, CHINAMFG WORKS and other 2D & 3D softwares. We are able to design, develop,produce and deliver your PO according to your drawings, samples or just an idea. Dural control of standard products and OEM products.

Quality Control:
1) Checking the raw material after they reach our factory——- Incoming quality control ( IQC)
2) Checking the details before the production line operated
3) Have full inspection and routing inspection during mass production—In process quality control(IPQC)
4) Checking the goods after they are finished—- Final quality control(FQC)
5) Checking the goods after they are finished—–Outgoing quality control(OQC)

Our Factory

ZheJiang CHINAMFG Machinery Manufacture Co., Ltd.
–Branch of CHINAMFG Industry Ltd.

We specialize in Metal Parts Solution for Vehicle, Agriculture machine, Construction Machine, transportation equipment, Valve and Pump system.

With keeping manufacturing process design, quality plHangZhou, key manufacturing processes and final quality control in house.
We are mastering key competence to supply quality mechanical parts and assembly to our customers for both Chinese and Export Market.

To satisfy different mechanical and functional requirements from our customers we are making a big range of metal products for our clients on base of different blanks solutions and technologies.
These blanks solutions and technologies include processes of Iron Casting, Steel Casting, Stainless Steel Casting, Aluminum Casting and Forging.

During the early involvement of the customer’s design process we are giving professional input to our customers in terms of process feasibility, cost reduction and function approach.

Our Certificate

Our Team

Customer Feedback

Our Package

Inner Packing → Strong & waterproof plastic big is packed inside, to keep the product in safe condition.Or as customer requests.

Outer Packing →Multilayer wooden box with strong bandages, used for standard export package. Or customized as per customer’s requirements.

 

FAQ

1Q: Are you trading company or manufacturer?
A: We are factory, so we can provide competitive price for you.

2Q: What kind of service can you provide?
A: Our company can provide custom casting, CNC machining, heat treatment and surface treatment service.

3Q: What’s kinds of information you need for a quote?
A: In order to quote for you earlier, please provide us the following information together with your inquiry.
1. Detailed drawings (STEP, CAD, CHINAMFG Works, PROE, DXF and PDF)
2. Material requirement (SUS, SPCC, SECC, SGCC, Copper, AL, ETC.)
3. Surface treatment (powder coating, sand blasting, planting, polishing, oxidization, brushing, etc.)
4. Quantity (per order/ per month/ annual)
5. Any special demands or requirements, such as packing, labels, delivery, etc.

4Q: What shall we do if we do not have drawings?
A: Please send your sample to our factory, then we can copy or provide you better solutions. Please send us pictures or drafts with dimensions (Thickness, Length, Height, Width), CAD or 3D file will be made for you if placed order.

5Q: What makes you different from others?
A: 1. Our Excellent Service
We will submit the quotation in 48 hours if getting detailed information during working days.
2. Our quick manufacturing time
For Normal orders, we will promise to produce within 3 to 4 weeks.
As a factory, we can ensure the delivery time according to the formal contract.

6Q: Is it possible to know how are my products going on without visiting your company?
A: We will offer a detailed production schedule and send weekly reports with photos or videos which show the machining progress.

7Q: Can I have a trial order or samples only for several pieces?
A: As the product is customized and need to be produced, we will charge sample cost, but if the sample is not more expensive, we will refund the sample cost after you placed mass orders.

8Q: Why there is tooling cost?
A: It’s mold cost. Indispensable production process. Only need to pay for first order, and we will bear maintenance cost of mold damage.

9Q: What is your terms of payment?
A: Payment of sample order ≤ 1000USD, 100% T/T full payment.
Payment of tooling or batch order ≥ 5000USD, 70% T/T in advance, balance before shipment.

10Q: What’s your after-sale service?
A: If there is quality problem, please provide photos or test report, we will replace defective goods or return funds.

If you have any other questions please find us online, or send messages via email, WhatsApp for better communication!

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Type: Chemical Hardening Sand
Casting Method: Mechanical Aided Pouring& Semi-Automatic Pouring
Sand Core Type: Resin Sand Core
Application: Parts for Vehicle, Agriculture Machine, Constructi
Machining: CNC Machining
Material: Iron
Samples:
US$ 1.7/kg
1 kg(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

cast iron pulley

Can cast iron pulleys be used in HVAC systems and air conditioning units?

Yes, cast iron pulleys can be used in HVAC systems and air conditioning units. They are commonly utilized in various components and mechanisms within these systems. Here’s a detailed explanation of how cast iron pulleys can be used in HVAC systems and air conditioning units:

  • Belt Drive Systems: Many HVAC systems and air conditioning units rely on belt drive systems to transfer power from electric motors to various components such as fans, blowers, and compressors. Cast iron pulleys are frequently employed in these belt drive systems. They provide the necessary rotational motion and torque transfer between the motor shaft and the driven components. The robustness and durability of cast iron make them suitable for handling the demands of HVAC applications.
  • Tensioning Mechanisms: Proper tensioning of belts is crucial in HVAC systems to ensure efficient power transmission and prevent belt slippage. Cast iron pulleys are often used in tensioning mechanisms to maintain the desired tension in the belts. Tensioning pulleys with adjustable positions or different diameters can be employed to achieve the optimal tension. The stability and strength of cast iron pulleys contribute to maintaining consistent belt tension, resulting in reliable and efficient operation of the HVAC system.
  • Fan and Blower Assemblies: Fans and blowers are essential components in HVAC systems and air conditioning units, responsible for circulating air and facilitating heat exchange. Cast iron pulleys are commonly found in fan and blower assemblies. They are used to drive the fan blades or impellers, providing the necessary rotational motion to generate airflow. Cast iron pulleys offer the strength and stability required to withstand the forces associated with fan operation and maintain the desired rotational speed.
  • Compressor Systems: Compressors are integral to air conditioning units, as they are responsible for compressing and circulating refrigerant. Cast iron pulleys can be used in the compressor systems of air conditioning units. They transmit power from the motor to the compressor, enabling the compression process. The durability and wear resistance of cast iron pulleys make them suitable for handling the high loads and pressures involved in compressor operation.
  • Bearing Support: Cast iron pulleys can also provide support for bearings used in HVAC systems and air conditioning units. They serve as the mounting point for bearings that support rotating shafts, ensuring smooth and stable operation. Cast iron pulleys offer the necessary rigidity and support, minimizing shaft deflection and reducing the risk of premature bearing wear or failure. This helps to extend the lifespan of the bearings and improve the overall reliability of the HVAC system.
  • Vibration Damping: Vibrations can be a concern in HVAC systems, as they can lead to noise, discomfort, and potential damage to components. Cast iron pulleys, known for their inherent damping properties, help reduce vibrations in the system. The weight and rigidity of cast iron absorb and dissipate vibrations, contributing to quieter operation and increased comfort. Additionally, reduced vibrations can help prolong the lifespan of other components by minimizing wear and stress on the system.

In summary, cast iron pulleys are commonly used in HVAC systems and air conditioning units for various purposes such as driving belt systems, tensioning belts, powering fans and blowers, driving compressors, providing bearing support, and reducing vibrations. The strength, durability, and vibration-damping properties of cast iron pulleys make them suitable for withstanding the demands of HVAC applications and ensuring reliable and efficient operation.

cast iron pulley

How do cast iron pulleys handle variations in load capacity and speed?

Cast iron pulleys are designed to effectively handle variations in load capacity and speed, offering reliable power transmission in machinery and mechanical systems. Their construction and characteristics allow them to adapt to different operating conditions. Here’s a detailed explanation of how cast iron pulleys handle variations in load capacity and speed:

  • Load Capacity: Cast iron pulleys are known for their high load-bearing capacity. The material composition and structural design of cast iron pulleys enable them to handle heavy loads without deformation or failure. When subjected to varying load capacities, cast iron pulleys distribute the load evenly across their surfaces, minimizing stress concentration and ensuring efficient power transmission. This capability makes cast iron pulleys suitable for applications that involve fluctuating or high loads.
  • Speed Variation: Cast iron pulleys can accommodate variations in speed effectively. The pulley’s diameter and groove configuration play a crucial role in determining the speed ratio between the driving and driven components. By selecting the appropriate pulley size and groove arrangement, the speed of power transmission can be adjusted to meet specific requirements. Cast iron pulleys can handle both high-speed and low-speed applications, providing reliable power transmission across a wide range of operating speeds.
  • Belt Selection: The choice of belt type and size is another factor that allows cast iron pulleys to handle load capacity and speed variations. Different types of belts, such as V-belts, flat belts, or timing belts, have varying load-carrying capacities and speed capabilities. Cast iron pulleys can be paired with the appropriate belt based on the specific application requirements. The selection of the right belt ensures optimal power transmission and allows the cast iron pulley to handle variations in load capacity and speed effectively.
  • Pulley Configuration: Cast iron pulleys are available in a variety of configurations, such as single groove, multi-groove, stepped, or variable speed pulleys. These different configurations allow for flexibility in power transmission systems, enabling adjustments to load capacity and speed variations. For example, multi-groove pulleys provide the option to use multiple belts, distributing the load across several grooves and increasing load capacity. Stepped or variable speed pulleys allow for stepwise or continuous speed adjustments, accommodating changes in operating conditions.
  • Engineering Considerations: Proper engineering and design considerations play a crucial role in ensuring that cast iron pulleys handle variations in load capacity and speed effectively. Factors such as calculating the appropriate pulley size, selecting the right belt type, ensuring proper alignment, and considering dynamic factors like torque and inertia are essential for optimizing power transmission performance. By taking these factors into account, engineers can design power transmission systems that maximize the capabilities of cast iron pulleys under varying load and speed conditions.

In summary, cast iron pulleys handle variations in load capacity and speed through their inherent strength, adaptable pulley configurations, suitable belt selection, and proper engineering considerations. Their ability to distribute loads evenly, accommodate different operating speeds, and work in conjunction with compatible belts makes them reliable components for power transmission, ensuring efficient and effective performance in machinery and mechanical systems.

cast iron pulley

What are the key characteristics of a cast iron pulley’s construction?

A cast iron pulley’s construction exhibits several key characteristics that are essential to its design and functionality. Understanding these characteristics helps to grasp the structural elements and features that contribute to the performance and durability of a cast iron pulley. Here’s a detailed explanation of the key characteristics of a cast iron pulley’s construction:

  • Material: A cast iron pulley is primarily constructed using cast iron, a type of iron alloy known for its strength and durability. Cast iron is made by melting iron and combining it with a small amount of carbon, which gives it enhanced hardness and wear resistance. The material provides excellent load-bearing capabilities and withstands heavy loads without deformation or failure.
  • Pulley Rim: The pulley rim is a prominent feature of a cast iron pulley. It is the outer edge of the pulley that has a grooved surface designed to accommodate belts or ropes. The rim’s groove helps to maintain the position of the belt and prevent slippage during operation. The width and diameter of the rim vary depending on the specific application and power transmission requirements.
  • Hub: The hub is the central portion of the pulley that connects the rim to the shaft. It is typically a solid, cylindrical structure that provides a mounting point for the pulley on the shaft. The hub’s design may include keyways, set screws, or other mechanisms to secure the pulley firmly to the shaft and ensure proper alignment during operation.
  • Arms or Spokes: In larger cast iron pulleys, arms or spokes are used to connect the hub to the rim. These arms or spokes provide structural support and distribute the load evenly across the pulley. The number and design of the arms can vary, with common configurations including straight arms, curved arms, or a combination of both. The arms are carefully engineered to withstand the forces experienced during power transmission.
  • Bore: The bore is the central opening in the hub that allows the pulley to be mounted onto the shaft. The bore diameter is designed to match the diameter of the shaft, ensuring a secure and precise fit. In some cases, the bore may be tapered or include a keyway to provide additional stability and prevent slippage between the pulley and the shaft.
  • Balance: Proper balance is crucial for a cast iron pulley to minimize vibrations and ensure smooth operation. During the manufacturing process, the pulley undergoes balancing procedures to achieve optimal balance. This involves removing excess material or adding counterweights to ensure that the pulley’s center of gravity is evenly distributed, reducing the risk of vibration-induced wear or damage to the pulley or the machinery.
  • Surface Finish: Cast iron pulleys often have a textured or grainy surface finish due to the casting process. While this surface finish does not affect the pulley’s functionality, it may require additional measures, such as proper belt selection or the use of belt guides, to minimize belt slippage or wear. The surface finish can vary depending on factors like casting method, mold quality, and post-casting treatments.

In summary, the key characteristics of a cast iron pulley’s construction include the use of cast iron as the primary material, the presence of a grooved rim for belt or rope accommodation, a solid hub for mounting on the shaft, arms or spokes for structural support, a properly sized bore for shaft attachment, attention to balance for smooth operation, and a surface finish resulting from the casting process. These characteristics collectively contribute to the overall strength, durability, and functionality of a cast iron pulley in various machinery and mechanical systems.

China best Customized Metal Foundry Grey Iron CZPT Pulley Wheel   with Hot selling	China best Customized Metal Foundry Grey Iron CZPT Pulley Wheel   with Hot selling
editor by CX

2024-05-16

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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