Are Plastic Gear Racks Resistant to Water and Moisture?

Are Plastic Gear Racks Resistant to Water and Moisture?

Plastic Gear Racks are mechanical components made from plastic materials, designed to transmit power and motion through a series of teeth and gaps. These gear racks are commonly used in various industries for precise motion control and power transmission.

Structure and Materials

A. Composition of Plastic Gear Rack

The basic structure of a Plastic Gear Rack includes a series of teeth and gaps, arranged in a linear fashion. The design of the rack and the profile of the teeth play a crucial role in effectively transmitting force and motion. Proper tooth profile ensures smooth operation, minimal wear, and efficient power transmission.

B. Commonly Used Plastic Materials

Commonly used plastic materials for gear racks include polyamide (PA), polyethylene (PE), and polypropylene (PP). These materials offer various benefits such as lightweight, corrosion resistance, and ease of processing.

Plastic Gear Rack


1. Lightweight and Corrosion Resistance

Plastic Gear Racks are lightweight and resistant to corrosion, making them suitable for environments where metal gear racks might degrade over time.

2. Low Noise and Low Friction

The low noise and low friction properties of plastic materials contribute to quieter and smoother operation compared to metal gear racks.

3. Cost-Effective and Easy to Process

Plastic Gear Racks are cost-effective and can be easily processed using standard manufacturing techniques, reducing production costs and lead times.

4. Design Flexibility

The flexibility in design allows for customization of gear racks to meet specific application requirements, facilitating innovative solutions.

5. Resistance to Chemicals and Moisture

Plastic materials are resistant to a wide range of chemicals and moisture, ensuring durability in various environmental conditions.

6. Reduced Wear on Other Components

The reduced wear properties of plastic gear racks help prolong the lifespan of interacting components, leading to less frequent maintenance and replacements.

Plastic Gear Rack Advantages


Automation and Robotics

Plastic Gear Racks are widely used in automation and robotics systems for precise motion control and power transmission. They are utilized in robotic arms, gantry systems, linear actuators, and other automated machinery.

Electric Tools and Appliances

In electric tools such as drills, saws, and sanders, Plastic Gear Racks help convert rotational motion into linear motion. They are also used in household appliances like mixers, blenders, and printers for smooth and efficient operation.

Transportation and Automotive

Plastic Gear Racks are utilized in various transportation and automotive applications. They can be found in steering systems, seat adjustment mechanisms, window regulators, and convertible tops, providing reliable and precise movement.

Medical Equipment

Plastic Gear Racks are used in medical equipment such as hospital beds, patient lifts, and adjustable tables. Their lightweight, corrosion-resistant, and low-noise properties make them suitable for healthcare settings.

Packaging and Material Handling

Plastic Gear Racks are employed in packaging and material handling machinery to facilitate the movement of products along conveyor systems or for precise positioning in packaging operations.

Industrial Machinery

Plastic Gear Racks are utilized in various industrial machinery, including CNC machines, cutting systems, textile machinery, and printing presses. Their low friction and wear properties contribute to smooth operation and reduced maintenance.

Agricultural Equipment

Plastic Gear Racks find applications in such as crop harvesters, seeders, and irrigation systems. They help in the efficient movement of components and ensure precise control in agricultural operations.

Recreation and Sports Equipment

In recreational and sports equipment, such as exercise machines, bicycles, and golf carts, Plastic Gear Racks convert rotational motion into linear motion for enhanced performance.

Renewable Energy Systems

Plastic Gear Racks are employed in renewable energy systems, including solar panel tracking systems and wind turbine pitch control mechanisms, to optimize energy generation and tracking capabilities.

Plastic Gear Rack Application
Plastic Gear Rack Application

Installation and Maintenance


1. Choose the Appropriate Installation Location: Select a suitable location that ensures proper alignment and operation.

2. Align and Secure: Properly align the gear rack and secure it firmly to prevent any undesired movement.

3. Adjust Tension: Ensure the correct tension is applied to maintain optimal performance.


1. Regular Cleaning: Keep the gear rack clean to prevent dirt and debris from affecting its performance.

2. Lubrication: Apply appropriate lubricants to reduce friction and wear.

3. Inspect and Replace Worn Parts: Regularly check for any signs of wear and replace damaged components promptly.

4. Avoid Overloading and Improper Use: Adhere to the recommended load limits and usage guidelines to prevent damage.

5. Periodic Inspection and Maintenance of Related Components: Ensure that all related components are in good condition and properly maintained for optimal system performance.

Plastic Gear Rack Maintenance

How to Choose the Appropriate Plastic Gear Rack

1. Load Capacity

Consider the load capacity requirements to ensure the gear rack can handle the expected forces without deformation or failure.

2. Gear Module

Select the appropriate gear module to match the desired precision and performance specifications.

3. Rack Length and Dimensions

Ensure the length and dimensions of the gear rack are suitable for the intended application and installation space.

4. Material Selection

Choose the right material based on the environmental conditions and specific application needs.

5. Accuracy Requirements

Determine the accuracy requirements to ensure the gear rack meets the desired precision levels.

6. Environmental Conditions

Consider the operating environment, including factors like temperature, humidity, and exposure to chemicals, when selecting a gear rack.

7. Manufacturer Reputation and Quality

Research the reputation of the manufacturer and the quality of their products to ensure reliability and performance.

8. Cost-Effectiveness

Evaluate the cost-effectiveness of the gear rack, balancing performance, quality, and budget considerations.


The company has more than 100 professional rack production equipment and testing equipment. The one-time processing length of the rack is 3000MM, the module range is M1-M30, British CP, American DP, etc., in order to better adapt to market changes. For high-end customers who demand high-precision racks, our company specially introduces rack milling machines and rack grinding machines imported from Germany. The precision of the racks produced by this equipment can reach (JIS2 level) DIN6n25 to meet various needs of the high-end market, with excellent products, affordable prices, and good service attitude, our products are exported to different countries such as Spain, the Netherlands, the United States, South Korea, Turkey, and Russia. At the same time, we sincerely hope to help customers develop new products and solve technical and quality problems. We are willing to meet the needs of users with high-quality products, fair prices, and perfect services. In short, we adhere to the principles of quality first, timely delivery, and credit first, treat every business partner sincerely, and wholeheartedly welcome friends from the business community to cooperate with us to develop together and create brilliance. Besides, EVER POWER also offers other rack products such as Gear Rack For Door Opener, gear rack for elevator, rack and pinion steering, metric gear rack, etc. Customers are welcome to inquire about customized products. EVER POWER is a professional manufacturer of racks in China. Its products are mainly sold to hundreds of fixed suppliers such as domestic steel rolling mills, shipyards, precision machine tool factories, automation machinery factories and various distribution companies, and exported to Western Europe, the Middle East, and Southeast Asia. and other countries and regions. The developing EVER POWER currently has hundreds of employees, including many engineers, with fixed assets of 20 million yuan and an annual output value of 50 million yuan. It mainly produces 1 to 32 module standard racks, non-standard straight racks, helical racks, double-sided racks, cylindrical racks, and various inch racks, with an accuracy of up to 7 to 9 levels, and is a horizontal directional drilling rig. , military industry, various large and medium-sized machine tools, automatic skylights, marine, steel mills, coal mines, petroleum, woodworking machinery, flame cutting machines, engraving machines, various automated assembly lines and other production supporting racks. The company has a complete set of strict quality management systems, equipped with a series of precision measuring instruments such as optical projectors and 16 full-process production monitoring systems. Currently, it has 30 fully automatic precision CNC rack-specific machine tool assembly lines as well as polishing and more than 20 general-purpose machine tools. EVER POWER has considerable competitiveness in the same industry.