Product Description

Machined internal CHINAMFG custom high temperature resistant helical gear sprockets

Product Paramenter
Advantages of plastic gears include light weight, no rust, no noise, injection molding enables low-cost and high-volume production, and can run without lubrication by mating with metal gears. On the other hand, it has lower strength than metals, tends to generate heat, and has large dimensional changes such as backlash. The degree of dimensional change of plastic gears depends on the ability to resist temperature changes, moisture absorption rate and chemical resistance, and the use of each field is different. We can also customize metal gears according to your drawings or samples.

ingenious designa good product is enough for a lifetimestrong bearing quality productshigh-quality craftsmanship quality products smooth operation qualityproducts thick material quality products

Specialty plastic gears are specialized components used in various industrial applications to withstand high temperatures and harsh operating conditions.
These gears are designed to ensure smooth and efficient power transmission with reduced noise and vibration levels. Provides precise and accurate dimensions for internal plastic parts, ensuring a perfect fit and optimum performance.
Ideal for applications where heat is generated such as industrial ovens, furnaces and other high temperature equipment. They are also resistant to chemicals, corrosion and abrasion, making them suitable for use in harsh environments.
Can improve the performance and efficiency of industrial equipment.

Products

 Gear

Module

M0.5-M10

Precision grade

DIN6, DIN7, DIN8, DIN10

Pressure angle

20 degree

Material

C45 steel, Stainless steel 304, Plastic, Brass, 20CrMo,40Cr and so on

Heat treatment

Hardening and Tempering, High Frequency Quenching,Carburizing etc

Surface treatment

 Blacking, Polishing, Anodization, Chrome Plating, Zinc Plating, Nickel Plating

Application

Precision cutting machines. Lathes. Milling machines. Grinders. Automated mechanical systems.Automated warehousing systems.

Machining process

Hobbing, Milling, Drilling, Shaving, Grinding

Descriptions:
(1) According to the different strength and performance, we choose the steel with strong compression;
(2) Using Germany professional software and our professional engineers to design products with more reasonable size and better performance;
(3) We can customize our products according to the needs of our customers,Therefore, the optimal performance of the gear can be exerted under different working conditions;
(4) Quality assurance in every step to ensure product quality is controllable.

Prduct Display
We manufacture custom high quality gears for many industries, from small to large, in a wide range of materials and sizes. Available materials for bevel gears include; Steel, Alloy Steel, Brass, Bronze, Copper, Aluminum, Aluminum Bronze, Cast and Ductile Iron, Stainless Steel, Phenolic, Nylon/PEEK/POM/UPE/ABS and many more. Our custom gears come in a variety of diameter pitches and pressure angles, and are available in standard and metric sizes.
How To Customize
NO.1 Mailing samples
Our engineers can measure the specifications and test the materials to make an identical product based on the sample you provide.
NO.2 Provide drawings
We support CAD drawings, PDF files, STP, STEP,X-T and other 3D formats for customization and confidential processing of products according to your needs.
NO .3 Only photos
If you only have photos and no detailed drawing samples we can also process and make products for you if you
provide us with the detailed dimensions of your products.

 

ApplicationWe have a professional engineer team to design custom parts for your needs , we also have ready-made standard moulds that can save your cost and time . We offer ODM/OEM service, Production Design and Mould Design base on your requirement . Providing the sample before mass production , ensure all is OK for you .

If you have any problems or want to get the quoted price of any plastics or machined components, please feel free to contact us. Our engineers will reply to you as soon as possible.

A wide range of injection mold options
Our products cover auto parts mold, electrical appliances injection mold, medical machinery and so on. We provide products and services to more than 60 countries and regions in the world, including Europe, the United States and Southeast Asia.

Our Factory
Our factory has 100 sets of precision processing equipment, welcome to visit our factory!

The factory covers an area of 10,000 square CHINAMFG Production equipment has the original American imported Haas CNC machining center, wire-electrode cutting, electrical discharge machine,Perforating machine, injection molding machine, CNC milling machine,CNC hobbing machine, CNC lathe, CNC milling machine, CNC lathe, CNC milling machine, grinding machine and other machinery and equipment.
One-stop Service
OEM, ODM, Customization service,Reasonable and competitive price,Design for Manufacturability (DFM) analysis with every quote,Short Delivery Time.
Reliable mold expert 15+ years’ experience, Cooperated with many world famous brands for many years, Specialize in large and complex injection mold making, One-stop service from design to production.

Certification
Companies strictly enforce the ISO9001(2008)international quality certification system, the product quality conforms to the eu RoHS standard.

Professional team

Our company is developing in the mode of quality for survival, brand for development and customer’s demand, welcome new and old customers to visit our factory for guidance.

Client Witness

Our Exhibition & CCTV Interview
Buying Instructions
Q1. Can samples be produced?
A1. Yes
Q2. What is the accuracy of the products processed by the drawings?
A2. Different equipment has different accuracy, generally between 0.05-0.1
Q3. What craftsmanship do you have for processing accessories?
A3. According to different products, different processes are used, such as machining, extrusion, injection molding, etc.
Q4. What are your processing equipment?
A4. CNC machining center, CNC lathe, milling machine, engraving machine, injection molding machine, extruder, molding
machine
Q5. Can you help assembling the product after it is made?
A5. It’s okay
Q6. What certifications or qualifications does your company have?
A6. Our company’s certificates are: ISO, ROHS, product patent certificates, etc.
Q7. Can injection products be surface treated? What are the surface treatments?
A7. It is ok. Surface treatment: spray paint, silk screen, electroplating, etc.
Prduct DisplaPrduct Display

 

Application: Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car
Hardness: Soft Tooth Surface
Gear Position: Internal Gear
Manufacturing Method: Cast Gear
Toothed Portion Shape: Spur Gear
Material: Nylon
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

How do plastic gears handle lubrication and wear?

Plastic gears handle lubrication and wear differently compared to metal gears. Here’s a detailed explanation of their behavior:

1. Lubrication in Plastic Gears: Lubrication plays a crucial role in the performance and longevity of plastic gears. While metal gears often require continuous lubrication, plastic gears have different lubrication requirements due to their inherent properties. Here are some key considerations:

  • Self-Lubrication: Some plastic materials, such as certain formulations of polyoxymethylene (POM), have inherent self-lubricating properties. These materials have a low coefficient of friction and can operate with minimal lubrication or even dry. Self-lubricating plastic gears can be advantageous in applications where the use of external lubricants is impractical or undesirable.
  • Lubricant Compatibility: When external lubrication is necessary, it’s important to choose lubricants that are compatible with the specific plastic material used in the gears. Certain lubricants may degrade or adversely affect the mechanical properties of certain plastics. Consultation with lubricant manufacturers or experts can help identify suitable lubricants that won’t cause degradation or wear issues.
  • Reduced Lubricant Requirements: Plastic gears generally have lower friction coefficients compared to metal gears. This reduced friction results in lower heat generation and less wear, which in turn reduces the demand for lubrication. Plastic gears may require less frequent lubricant replenishment or lower lubricant volumes, reducing maintenance requirements.
  • Appropriate Lubricant Application: When applying lubricant to plastic gears, care should be taken to avoid excessive amounts that could lead to contamination or leakage. Lubricants should be applied in a controlled manner, ensuring they reach the critical contact points without excessive buildup or excess spreading beyond the gear surfaces.

2. Wear in Plastic Gears: Plastic gears exhibit different wear characteristics compared to metal gears. While metal gears typically experience gradual wear due to surface interactions, plastic gears may undergo different types of wear mechanisms, including:

  • Adhesive Wear: Adhesive wear can occur in plastic gears when high loads or speeds cause localized melting or deformation at the gear teeth contact points. This can result in material transfer between gear surfaces and increased wear. Proper material selection, gear design optimization, and lubrication can help minimize adhesive wear in plastic gears.
  • Abrasive Wear: Abrasive wear in plastic gears can be caused by the presence of abrasive particles or contaminants in the operating environment. These particles can act as abrasive agents, gradually wearing down the gear surfaces. Implementing effective filtration or sealing mechanisms, along with proper maintenance practices, can help reduce abrasive wear in plastic gears.
  • Fatigue Wear: Plastic materials can exhibit fatigue wear under cyclic loading conditions. Repeated stress and deformation cycles can lead to crack initiation and propagation, ultimately resulting in gear failure. Proper gear design, material selection, and avoiding excessive loads or stress concentrations can help mitigate fatigue wear in plastic gears.

3. Gear Material Selection: The choice of plastic material for gears can significantly impact their lubrication and wear characteristics. Different plastic materials have varying coefficients of friction, wear resistance, and compatibility with lubricants. It’s important to select materials that offer suitable lubrication and wear properties for the specific application requirements.

4. Operational Considerations: Proper operating conditions and practices can also contribute to the effective handling of lubrication and wear in plastic gears. Avoiding excessive loads, controlling operating temperatures within the material’s limits, implementing effective maintenance procedures, and monitoring gear performance are essential for ensuring optimal gear operation and minimizing wear.

In summary, plastic gears can handle lubrication and wear differently compared to metal gears. They may exhibit self-lubricating properties, reduced lubricant requirements, and require careful consideration of lubricant compatibility. Plastic gears can experience different types of wear, including adhesive wear, abrasive wear, and fatigue wear. Proper material selection, gear design, lubrication practices, and operational considerations are crucial for ensuring efficient lubrication and minimizing wear in plastic gears.

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 Hot selling Precision Machining Engineering Plastics Wear-Resistant Nylon Upe Plastic Spur Gear worm gear motorChina Hot selling Precision Machining Engineering Plastics Wear-Resistant Nylon Upe Plastic Spur Gear worm gear motor
editor by CX 2023-11-14

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Plastic Spur Gears

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