China Good quality Power Transmission Drivetrain Auto Machine Reducer C45 Steel Nylon Plastic Spur Gear worm gear motor

Product Description

Power Transmission Drivetrain Auto Machine Reducer C45 Steel Nylon Plastic Spur Gear

PRODUCTION ABILITY:
Procedure: Lost wax casting & CNC machining
Casting Tolerace: CT8
Roughness: Ra12.5
Weight available: 0.06kg – 150 kg
Dimension: 4mm – 1200mm
Materials Carbon steel,Alloy steel,Cast steel, Stainless steel,Cast iron,Ductile iron
Software Used: Pro/E,Auto CAD,Solid work,UG,CAD,CAM
Production Capacity: 6000 tons per year
Samples Lead Time: 15 days to 22 days
Testing offered Chemical Composition Analysis
Machnical Property
Metallograghic Analysis
Magnetic Particle Inspection
Ultrasonic Flaw Detection
X-ray Detection
Range of parts applied Agricultural machinery
Construction machinery
Forestry machinery
Hydraulic Parts
Truck
Marine Hardware
Oil & Gas Industry
Other industry
Service offered   Casting designing
Casting production
CNC precision machining
Heat treatment
Surface finish,such as Zinc plating,Painting
All kinds inspection
Assembling
Our Advantages Rapid prototype within 15days to 22 days
Fast delivery,by using automatic lines for high volumes orders and using manual lines for small orders
Joint work to optimize the desgin of casting, combined the function and casting production,to reduce the weight and costs.
Rich experience in casting production and low scrap rate and stable quality
Wide range of material  can be casted
One stop custom made service
Competitive Price

Product features of flange/gear couplings

Product Name Gear
Material 40Cr,42CrMo,20CrMnTi,20CrNiMo,45#,etc
Processing Method CNC machining, Shaving m, Hobbing grinding, chamfering etc.
Size Customer Drawings & ISO standard 
Standard Non-standard
Advantage Assured quality , Best services, Competitive prices, Fast delivery
Used building industry machinery,Auto parts,truck,tractor,ship,elevators

1. High Transmission Efficiency Can Reach 99.7%
2. High Loading Capacity: With the same external dimension, the loading capacity is 15%~20% averagely higher than that of straight-tooth coupling
3. Large Angular Compensation: The maximum allowable angular misalignment is 1.5°, 50% higher than that of straight-tooth coupling
4. More Scientific Gear Tooth Design: It avoids local stress concentration caused by straight tooth edge extrusion, and tooth surface friction is eased at the same time.
5. Gear tooth of external gear sleeve is horn-shaped, which makes it easy to install and dismantle.
6. Long Service Life: The internal and external gear teeth are made of high strength alloy steel. After quenched-tempered heat treatment, gear teeth rigidity and wear resistance are improved. 

Related Products

     

Our company specialize in producing all kinds of internal and external gear, high precision spline shaft and gear shaft. We are looking CZPT to the cooperation with you, and we believe that we will be your ideal choice.

A wheel with cog-type sprocket teeth is used to mesh with a block of precise pitch on a link or cable. A CZPT or spoked gear meshes with a (roller) chain to transmit motion.
Sprockets are widely used in mechanical transmission in chemical, textile machinery, food processing, instrumentation, petroleum and other industries

Factory & Machines
  

 

Casting Method: Thermal Gravity Casting
Process: CNC
Molding Technics: Gravity Casting
Application: Machinery Parts
Material: Carbon Steel
Surface Preparation: Polishing
Samples:
US$ 2/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

plastic gear

What are the limitations of using plastic gears in industrial settings?

Using plastic gears in industrial settings has certain limitations. Here’s a detailed explanation of these limitations:

  • Lower Load Capacity: Plastic gears generally have lower load-bearing capacities compared to metal gears. They are more susceptible to deformation and wear under heavy loads or high torque conditions. This makes them less suitable for applications that require withstanding substantial forces or transmitting high power.
  • Temperature Sensitivity: Plastic gears have temperature limitations, and their performance can be affected by temperature variations. Some plastic materials may experience dimensional changes, loss of strength, or reduced stiffness at elevated temperatures. Additionally, high temperatures can accelerate wear and reduce the lifespan of plastic gears. Therefore, plastic gears may not be suitable for applications that involve high-temperature environments or extreme temperature fluctuations.
  • Environmental Sensitivity: Plastic gears can be sensitive to certain environmental conditions. Certain plastic materials may degrade or become brittle when exposed to specific chemicals, solvents, oils, or UV radiation. This restricts their use in applications where exposure to harsh chemicals, lubricants, or outdoor elements is common.
  • Wear and Abrasion: While plastic gears can offer good wear resistance, they are generally more prone to wear and abrasion compared to metal gears. Under heavy-load or high-speed conditions, the surface of plastic gears can wear down, leading to a decrease in performance and potential failure over time. Additional measures, such as incorporating reinforcements or using lubrication, may be necessary to mitigate wear in certain applications.
  • Dimensional Stability: Plastic materials can have lower dimensional stability compared to metals. They may experience creep, shrinkage, or expansion over time, which can affect the accuracy and reliability of gear operation, particularly in applications with tight tolerances or precise gear meshing requirements.
  • Impact Resistance: Plastic gears may have limited impact resistance compared to metal gears. They can be more susceptible to damage or fracture when subjected to sudden impact or shock loads. This makes them less suitable for applications with high impact or heavy-duty requirements.
  • Compatibility with Existing Systems: In some cases, replacing metal gears with plastic gears may require modifications to the existing system. Plastic gears may have different dimensions, mounting requirements, or gear ratios compared to metal gears, necessitating design changes or adaptations to accommodate the use of plastic gears.

Despite these limitations, plastic gears can still offer significant advantages in certain industrial settings, such as reduced weight, noise reduction, and cost-effectiveness. It’s crucial to carefully evaluate the specific application requirements and consider the trade-offs between the benefits and limitations of plastic gears when deciding whether they are suitable for a particular industrial setting.

plastic gear

What is the impact of temperature variations on plastic gears?

Temperature variations can have a significant impact on plastic gears. Here’s a detailed explanation of their effects:

1. Thermal Expansion: Plastic gears can experience thermal expansion or contraction with changes in temperature. Different types of plastics have varying coefficients of thermal expansion, meaning they expand or contract at different rates. This can result in dimensional changes, which may affect the gear’s meshing, clearance, and overall performance. It’s important to consider the thermal expansion characteristics of the specific plastic material used in the gear design.

2. Material Softening or Hardening: Plastic materials can exhibit changes in mechanical properties with temperature variations. In general, as temperature increases, plastic materials tend to soften and become more flexible, while at lower temperatures, they can become stiffer and more brittle. These changes can impact the gear’s load-bearing capacity, wear resistance, and overall durability. It’s crucial to select plastic materials that can maintain their mechanical integrity within the expected temperature range of the application.

3. Dimensional Stability: Plastic gears may experience dimensional changes or warping due to temperature fluctuations. Higher temperatures can cause plastic materials to deform, leading to misalignment, increased backlash, or reduced gear accuracy. Conversely, lower temperatures can cause contraction, resulting in tight clearances, increased friction, or gear binding. Proper design considerations, including material selection and gear geometry, can help mitigate the impact of temperature-induced dimensional changes.

4. Lubrication and Wear: Temperature variations can affect the lubrication properties of plastic gears. Higher temperatures can cause lubricants to degrade or become less effective, leading to increased friction, wear, and potential gear failure. Similarly, low temperatures can cause lubricants to thicken or solidify, hindering proper lubrication and increasing wear. Selecting lubricants suitable for the anticipated temperature range and periodic maintenance can help ensure proper lubrication and minimize wear on plastic gears.

5. Cold Flow and Creep: Some plastic materials, especially those with lower glass transition temperatures, may exhibit cold flow or creep at elevated temperatures. Cold flow refers to the gradual deformation or flow of plastic material under constant stress, while creep refers to the time-dependent deformation under a constant load. These phenomena can cause changes in gear geometry, tooth profile, or tooth engagement over time, potentially affecting gear performance and functionality. Understanding the material’s creep and cold flow characteristics is important when selecting plastic gears for applications exposed to temperature variations.

6. Impact on Lubricants and Seals: Temperature variations can also impact the performance of lubricants and seals used in gear systems. Extreme temperatures can cause lubricants to break down, lose viscosity, or leak from the gear assembly. Seals and gaskets may also be affected, leading to compromised gear housing integrity or increased friction. It’s crucial to consider temperature compatibility and select appropriate lubricants and seals that can withstand the anticipated temperature range.

In summary, temperature variations can significantly impact plastic gears by causing thermal expansion, material softening or hardening, dimensional changes, lubrication issues, cold flow or creep, and effects on lubricants and seals. Proper material selection, design considerations, and understanding the anticipated temperature range are essential to ensure the reliable and optimal performance of plastic gears in various applications.

plastic gear

Are there different types of plastic materials used for making gears?

Yes, there are different types of plastic materials used for making gears. Here’s a detailed explanation of some commonly used plastic materials in gear manufacturing:

  • Acetal (Polyoxymethylene – POM): Acetal is a popular choice for gear applications due to its excellent strength, dimensional stability, low friction, and wear resistance. It has good machinability and can be easily molded into gears with precise tooth profiles. Acetal gears offer low noise operation and have good resistance to moisture and chemicals. They are commonly used in automotive, consumer electronics, and industrial applications.
  • Polyamide (Nylon): Polyamide or nylon is another widely used plastic material for gears. It offers good mechanical properties, including high strength, toughness, and impact resistance. Nylon gears have low friction characteristics, good wear resistance, and self-lubricating properties. They are commonly used in applications such as automotive components, power tools, and industrial machinery.
  • Polyethylene (PE): Polyethylene is a versatile plastic material that can be used for gear applications. It offers good chemical resistance, low friction, and excellent electrical insulation properties. While polyethylene gears may have lower strength compared to other plastic materials, they are suitable for low-load and low-speed applications, such as in light-duty machinery, toys, and household appliances.
  • Polypropylene (PP): Polypropylene is a lightweight and cost-effective plastic material that finds applications in gear manufacturing. It offers good chemical resistance, low friction, and low moisture absorption. Polypropylene gears are commonly used in various industries, including automotive, consumer electronics, and household appliances.
  • Polycarbonate (PC): Polycarbonate is a durable and impact-resistant plastic material used for gears that require high strength and toughness. It offers excellent dimensional stability, transparency, and good resistance to heat and chemicals. Polycarbonate gears are commonly used in applications such as automotive components, electrical equipment, and machinery.
  • Polyphenylene Sulfide (PPS): Polyphenylene sulfide is a high-performance plastic material known for its excellent mechanical properties, including high strength, stiffness, and heat resistance. PPS gears offer low friction, good wear resistance, and dimensional stability. They are commonly used in demanding applications such as automotive transmissions, industrial machinery, and aerospace equipment.

These are just a few examples of the plastic materials used for making gears. The choice of plastic material depends on the specific requirements of the gear application, including load capacity, operating conditions, temperature range, chemical exposure, and cost considerations. It’s important to select a plastic material that offers the necessary combination of mechanical properties and performance characteristics for optimal gear performance.

China Good quality Power Transmission Drivetrain Auto Machine Reducer C45 Steel Nylon Plastic Spur Gear worm gear motorChina Good quality Power Transmission Drivetrain Auto Machine Reducer C45 Steel Nylon Plastic Spur Gear worm gear motor
editor by CX 2023-09-05