China supplier CZPT High Quality Precision Plastic Rack Pinion Gear OEM Lifting CNC Galvanized Sliding Door Gate Nylon with Metal Round Engraving Gears Rack straight bevel gear

Product Description

MW High Quality Precision Plastic Rack Pinion Gear OEM Lifting CNC Galvanized Sliding Door Gate Nylon With Metal Round Engraving Gears Rack

The producing character of MW gear racks.
We exported gear rack in big quantity to Europe, America, Australia, Brazil, South Africa, Russia etc. There is standard gear rack available and also special gear rack as per your drawing or samples. Our gear racks produced by CNC machines
1. Our gear rack is produced as per DIN standards by CNC machine
2. The pressure angle: 20°/14.5°
3. Module: M0.4-M36/DP1-DP25
4. The maximum length can be 3500mm
5. The material can be Q235, C45, SS304, SS316L, aluminum, copper, nylon and so on.

Our gear racks are used for window machine, engraving machine, lift machine, opener rack, CNC machine, automobile, industrial usage so on. 
The quality character of MW gear racks:
1. Stable transmission and low noise;
2. Effectively avoid normal tolerance based on high precision;
3. The surfaces can be ground to grade 8 quality, and teeth can be ground to grade 7 quality;
4. The mounting holes can be made as request;
5. The price is competitive even the quality is high.

Facilities

Machining center;  

CNC gear hobbing machine;

CNC gear shaper;

CNC gear grinding machine;

CNC turning machine;

CNC milling machine.

Y58200 CNC large gear rack shaper,

Y58125A gear rack shaper,

England gear rack shaper

and Russia gear rack shaper,

Gleason machine.

Material

Steel: C45, Q235, 40Cr, 20CrMnTi, etc.

Stainless steel: 301, 201, 304, 316 etc.

Brass: H59 H68 H80 H90 etc.

Aluminium: 6082, 6061, A380 etc.

Aluminium alloy: 6061, 5083, 7050, etc.

More: PA6, PA66, POM, ABS etc.

Teeth type

Spur teeth gear rack;

Helical teeth gear rack;

Round gear rack;

Tube gear rack;

Curved gear rack.

Surface Polishing; Plating; Galvanized; Black; chromium plating, nickel plating; painting etc.

If you need 2M or 3M, or any other length, we can produce as per your request
 Most of our customers will send us drawing and we will produce as per your drawing and precision demand
Steel Gear Rack Standard types
Length X Width X Height (MM)

M1 10x10x1000 10x15x1000 M1 15x15x250 15x15x500 M3 30x30x250 30x30x500 M5 50x50x250 50x50x500
M1.5 15x15x1000 15x20x1000 M1 15x15x1000 15x15x2000 M3 30x30x1000 30x30x2000 M5 50x50x1000 50x50x2000
M2 20x20x1000 20x25x1000 M1.5 17x17x250 17x17x500     M6 60x60x250 60x60x500
M2.5 25x25x1000 25x30x1000 M1.5 17x17x1000 17x17x2000 M4 22x22x250 22x22x500 M6 60x60x1000 60x60x2000
M3 30x30x1000 30x35x1000 M2 20x20x250 20x20x500 M4 22x22x1000 22x22x2000 M8 80x80x250 80x80x500
M4 40x40x1000 40x45x1000 M2 20x20x1000 20x20x2000 M4 30x30x250 30x30x500 M8 80x80x1000 80x80x2000
M5 50x50x1000 50x55x1000 M2.5 25x25x250 25x25x500 M4 30x30x1000 30x30x2000 M10 100x100x250 100x100x500
M6 60x60x1000 60x65x1000 M2.5 25x25x1000 25x25x2000 M4 40x40x250 40x40x500 M10 100x100x1000 100x100x2000
M8 80x80x1000     M4 40x40x1000 40x40x2000    

The producing character of CHINAMFG gears:
1. Gear size: the biggest diameter is 1500mm;
2. Material: Most common steel is high strength steel 20CrMnTi. Others can be steel C45, stainless steel, high strength steel, copper, aluminium, plastic, POM etc;
3. Gear module: 0.3-8 (pitch from 0.942-25.12mm, DP 3.175-85);
4. Surface: zinc (galvanized), black, chromium plating, nickel plating, quenching and tempering etc.
5. Quality: stable and high, grade 8 for without teeth grinding, grade 7 after teeth grinding, grade 6 for precise grinding.
Prices for above quality are very competitive for us.
6. Heat treatment: teeth can be hardened to HRC 55-63.

The quality character of CHINAMFG gears:
1. Stable transmission and low noise;
2. Effectively avoid normal tolerance based on high precision;
3. The teeth can be ground to grade 7 and grade 6 quality;
4. The bore will be polished to smooth and high precision;
5. The price is competitive even the quality is high.

Facilities

Machining center;  

CNC gear hobbing machine;

CNC gear shaper;

CNC gear grinding machine;

CNC turning machine;

CNC milling machine.

Y58200 CNC large gear rack shaper,

Y58125A gear rack shaper,

England gear rack shaper

and Russia gear rack shaper.

Gleason machine

Gear types

Helical gears (more and more widely used for its stable transimission);

Spur gears;

Hub gears;

Bevel gears;

Bevel spiral gears;

Gear ring; etc.

Material

Steel: C45, Q235, 40Cr, 20CrMnTi, etc.

Stainless steel: 301, 201, 304, 316 etc.

Brass: H59 H68 H80 H90 etc.

Aluminium: 6082, 6061, A380 etc.

Aluminium alloy: 6061, 5083, 7050, etc.

More: PA6, PA66, POM, ABS etc.

Surface Polishing; Plating; Galvanized; Blacken; chromium plating, nickel plating; painting etc.

HangZhou CHINAMFG Industry Co., Ltd. is a specialized supplier of a full range of chains, sprockets, gears, gear racks, v belt pulley, timing pulley, V-belts, couplings, machined parts and so on.
 
Due to our CHINAMFG in offering best service to our clients, understanding of your needs and overriding sense of responsibility toward filling ordering requirements, we have obtained the trust of buyers worldwide. Having accumulated precious experience in cooperating with foreign customers, our products are selling well in the American, European, South American and Asian markets.Our products are manufactured by modern computerized machinery and equipment. Meanwhile, our products are manufactured according to high quality standards, and complying with the international advanced standard criteria.
 
With many years’ experience in this line, we will be trusted by our advantages in competitive price, one-time delivery, prompt response, on-hand engineering support and good after-sales services.
 
Additionally, all our production procedures are in compliance with ISO9001 standards. We also can design and make non-standard products to meet customers’ special requirements. Quality and credit are the bases that make a corporation alive. We will provide best services and high quality products with all sincerity. If you need any information or samples, please contact us and you will have our soon reply.
Our spur and helical gear racks are welcomed by many customers for its stable high quality and competitive price.

 

Standard or Nonstandard: Standard
Feature: Flame-Retardant, Anti-Static, Oil-Resistant, Cold-Resistant, Corrosion-Resistant, Heat-Resistant, Alkali-Resistant, Skid-Resistance, Wear-Resistant, Acid-Resistant, High Temperature-Resistance
Application: Textile Machinery, Garment Machinery, Conveyer Equipment, Packaging Machinery, Electric Cars, Food Machinery, Marine, Mining Equipment, Agricultural Machinery, Industry
Surface Treatment: Zinc Plating
Material: Alloy
Moudle: 1-8
Samples:
US$ 10/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

Are there specific design considerations for using plastic gears?

Yes, there are specific design considerations that need to be taken into account when using plastic gears. Here’s a detailed explanation of these considerations:

1. Material Selection: Choosing the right plastic material for the gear application is crucial. Different plastic materials have varying mechanical properties, such as strength, stiffness, and wear resistance. Consider factors such as load-bearing requirements, operating temperatures, environmental conditions, and compatibility with lubricants. It’s important to select a plastic material that can withstand the specific demands of the application.

2. Gear Geometry: The design of plastic gears should consider factors such as tooth profile, module or pitch, pressure angle, and tooth thickness. The gear geometry should be optimized to ensure proper meshing, efficient power transmission, and minimal noise and vibration. The design should also take into account the limitations and capabilities of the plastic material, such as its ability to form precise tooth profiles and maintain dimensional stability.

3. Clearances and Tolerances: Plastic gears may require different clearances and tolerances compared to metal gears. The coefficient of thermal expansion, dimensional stability, and manufacturing processes of plastic materials can affect the gear clearances. It’s important to consider the thermal expansion characteristics of the specific plastic material and provide appropriate clearances to accommodate temperature variations. Tight tolerances may result in binding or increased friction, while excessive clearances can lead to backlash and reduced gear accuracy.

4. Load Distribution: Distributing the load evenly across the gear teeth is essential for preventing premature wear and failure. Consider gear design elements such as tooth profile, tooth width, and the number of teeth to optimize load distribution. Reinforcing the gear teeth with fillets or other strengthening features can help improve load-bearing capacity and reduce stress concentrations.

5. Stiffness and Deflection: Plastic gears generally have lower stiffness compared to metal gears. The design should consider the potential for deflection or deformation under load. It may be necessary to increase the gear size, modify the tooth geometry, or incorporate additional support structures to enhance stiffness and minimize deflection. Analytical tools and simulations can be employed to assess and optimize gear design for stiffness and deflection.

6. Lubrication and Wear: Proper lubrication is important for the performance and durability of plastic gears. Consider the lubrication requirements of the specific plastic material and design features that facilitate effective lubricant distribution. Pay attention to potential wear mechanisms, such as adhesive wear or abrasive wear, and incorporate measures to minimize wear, such as optimized tooth profiles, lubricant selection, and sealing mechanisms.

7. Environmental Factors: Plastic gears may be subjected to various environmental factors such as temperature extremes, humidity, chemicals, and UV exposure. Evaluate the potential impact of these factors on the gear material and design. Select plastic materials that offer resistance to environmental degradation and consider protective measures, such as coatings or encapsulation, to enhance the gear’s resistance to environmental conditions.

8. Manufacturability: Consider the manufacturability of plastic gears during the design phase. Different plastic materials may have specific requirements or limitations for manufacturing processes such as injection molding or machining. Design features that facilitate efficient and cost-effective production, such as draft angles, parting lines, and tooling considerations, should be taken into account.

By considering these specific design considerations, such as material selection, gear geometry, clearances, load distribution, stiffness, lubrication, environmental factors, and manufacturability, it’s possible to optimize the design and performance of plastic gears for various applications.

plastic gear

Can plastic gears replace metal gears in certain applications?

Yes, plastic gears can replace metal gears in certain applications. Here’s a detailed explanation:

Plastic gears offer a range of advantages that make them suitable alternatives to metal gears in specific scenarios. Some of the factors that determine whether plastic gears can replace metal gears include the application requirements, operating conditions, load capacity, and desired performance characteristics.

Advantages of Plastic Gears:

  • Lightweight: Plastic gears are significantly lighter than metal gears, making them suitable for applications where weight reduction is important. This can lead to energy efficiency, reduced inertia, and lower wear on supporting components.
  • Low Noise and Vibration: Plastic gears have inherent damping properties that help reduce noise and vibration levels during operation. This makes them suitable for applications where noise reduction is desired, such as in consumer electronics or office equipment.
  • Corrosion Resistance: Certain plastic materials used in gear manufacturing exhibit excellent resistance to corrosion and chemicals. Plastic gears can be a suitable choice for applications in corrosive environments where metal gears may suffer from degradation.
  • Self-Lubrication: Some plastic materials used for gear manufacturing have self-lubricating properties. This reduces friction and wear between gear teeth, eliminating the need for external lubrication and simplifying maintenance requirements.
  • Cost-Effective: Plastic gears can be more cost-effective compared to metal gears, especially in large-scale production. Plastic materials are often less expensive than metals, and the manufacturing processes for plastic gears can be more efficient.
  • Design Flexibility: Plastic gears offer greater design flexibility compared to metal gears. They can be molded into complex shapes, allowing for custom gear profiles and tooth geometries, resulting in optimized performance and efficiency for specific applications.

Limitations of Plastic Gears:

  • High Torque and Load Capacity: Plastic gears may not have the same torque and load capacity as metal gears. In applications requiring high torque or heavy loads, metal gears may be more suitable due to their higher strength and durability.
  • High Temperatures: Plastic gears have temperature limitations depending on the chosen material. In applications with high operating temperatures, metal gears that can withstand the heat may be necessary.
  • Precision and Positioning: Plastic gears may not offer the same level of precision and positioning accuracy as metal gears. Applications that require tight tolerances and precise gear meshing may still require metal gears.

In summary, plastic gears can replace metal gears in certain applications where their advantages align with the specific requirements and operating conditions. It’s crucial to carefully evaluate the application needs, load capacity, temperature range, and other factors to determine if plastic gears are suitable replacements for metal gears.

China supplier CZPT High Quality Precision Plastic Rack Pinion Gear OEM Lifting CNC Galvanized Sliding Door Gate Nylon with Metal Round Engraving Gears Rack straight bevel gearChina supplier CZPT High Quality Precision Plastic Rack Pinion Gear OEM Lifting CNC Galvanized Sliding Door Gate Nylon with Metal Round Engraving Gears Rack straight bevel gear
editor by CX 2023-11-02