Product Description

Gear racks are rods with teeth that mesh with gears to convert rotary motion into linear motion. The combination of a rack and gear is called “rack and pinion,” and they’re used in lifting and positioning mechanisms like automotive steering systems, machine tools and CNC routers, valves, and conveyor systems.

Note of steel gear racks

1. Material: Carbon steel, stainless steel, aluminium alloy, plastic, brass etc.

2. Module: M1, M1.5, M2, M3, M4, M5, M6, M7, M8 etc.

3. The pressure angle: 20°.

4. Surface treatment: Zinc-plated, Nickle-plated, Black-Oxide, Carburizing, Hardening and tempering,

   nitriding, high frequency treatment etc.

5. Production Machines: Gear shaper, hobbing machine, CNC lathe, milling machine, drilling machine,

    grinder etc.

6. Heat treatment carburizing and quenching

Product Description

 

Product Parameters

Company Profile

ZheJiang Mighty Machinery Co., Ltd. specializes in manufacturing mechanical power transmission components. We Mighty is the branch of SCMC Group, a wholly state-owned company, established in 1980.
About us:
-3 manufacturing factories
We have 5 technical staff, our FTY have strong capacity for design and process design, and more than 70 workers and double shift eveyday.
-Large quality of material purchase and stock
We ensure both the quality and low cost for material and production.
-Strick quality control
We have strict process inspection and final production inspection to ensure the perfect quality.
-20 years of machinery experience
MIGHTY’s products are mainly exported to Europe, America and the Middle East market. With the top-ranking management, professional technical support and abundant export experience, MIGHTY has established lasting and stable business partnership with many world famous companies and has gained good reputation from CHINAMFG customers.
 

FAQ

1. Are you a trading company or manufacturer?

We are a manufacturer for 20+ years with owning 3+ factories and also do exporting business. 

 

2. What’s your MOQ?

Usually 1 unit for standard parts.

 

3. How long is your delivery time?

It takes around 3-5 business days for standard parts and 25-30 business days for bulk production.

4. Do you offer any treatment for your gear racks?

Yes, we could offer surface treatment like blackening or zinc-plated or heat treatment like hardened teeth for better performance.

 

5. Do you support OEM/ODM?

Yes, we do.

 

6. What is your payment terms?

 T/T, Paypal, L/C, D/P, D/A, Western Union, etc. and it’s decided by customers’ requirements.

 

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Application: Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery
Hardness: Hardened Tooth Surface
Gear Position: External Gear
Manufacturing Method: Milling
Toothed Portion Shape: Spur or Helical
Material: Stainless Steel
Samples:
US$ 5/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

plastic gear rack

What safety considerations should be kept in mind when working with rack and pinion?

Working with rack and pinion systems requires careful attention to safety to prevent accidents and ensure the well-being of individuals involved. Here are some important safety considerations to keep in mind when working with rack and pinion:

  • Proper Guarding: Ensure that the rack and pinion system is properly guarded to prevent accidental contact with moving parts. Install appropriate barriers, shields, or enclosures to restrict access to the rack and pinion assembly, especially in areas where there is a risk of entanglement or pinch points.
  • Lockout/Tagout: Implement lockout/tagout procedures when performing maintenance, repair, or adjustment on the rack and pinion system. Lockout/tagout procedures involve isolating the power source and securing it with a lock or tag to prevent accidental energization or motion during work, protecting workers from unexpected movement or startup.
  • Proper Installation: Ensure that the rack and pinion system is installed correctly according to manufacturer guidelines and industry standards. Improper installation can lead to misalignment, instability, or premature failure, posing safety risks. Follow proper procedures for mounting, alignment, and securing of the rack and pinion assembly.
  • Maintenance and Inspection: Regularly inspect and maintain the rack and pinion system to ensure its proper functioning and identify any potential safety hazards. Check for signs of wear, damage, or loose components. Lubricate the system as recommended by the manufacturer to maintain smooth operation and prevent excessive friction or overheating.
  • Load Limitations: Adhere to the load limitations specified by the manufacturer. Overloading the rack and pinion system can lead to excessive stress, premature wear, or failure, potentially resulting in accidents. Consider factors such as weight, distribution, and dynamic forces when determining the appropriate load for the system.
  • Training and Awareness: Provide adequate training to personnel who will be working with or around the rack and pinion system. Ensure they understand the potential hazards, safe operating procedures, and emergency protocols. Promote awareness of the risks associated with the system and encourage a safety-conscious culture in the workplace.
  • Environmental Considerations: Take into account the environmental conditions in which the rack and pinion system operates. Factors such as temperature, humidity, corrosion, or exposure to hazardous substances may affect the system’s performance and safety. Use appropriate materials, coatings, or protective measures to mitigate potential risks.
  • Emergency Stop: Install an emergency stop mechanism that allows for immediate shutdown of the rack and pinion system in case of emergencies or hazardous situations. Clearly mark and communicate the location of the emergency stop controls to ensure quick and easy access when needed.

It is essential to consult the manufacturer’s documentation, safety guidelines, and applicable regulations when working with rack and pinion systems. By following proper safety practices, implementing appropriate safeguards, and promoting a safety-focused mindset, the risks associated with working with rack and pinion systems can be minimized, creating a safer working environment.

plastic gear rack

What are the benefits of using rack and pinion for steering in vehicles?

Using rack and pinion for steering in vehicles offers several benefits that contribute to improved control, responsiveness, and overall driving experience. Here’s a detailed explanation:

  • Precise and Responsive Steering: Rack and pinion steering systems provide precise and responsive steering control. The direct connection between the steering wheel and the pinion gear on the rack allows for immediate response to driver input. This direct linkage eliminates the play or lag that can be present in other steering systems, providing a more accurate and connected feel between the driver and the vehicle’s front wheels.
  • Compact and Lightweight Design: Rack and pinion steering systems have a compact and lightweight design compared to other steering mechanisms, such as recirculating ball systems. The rack, which is a linear gear, takes up less space than other designs, allowing for more efficient packaging within the vehicle’s front end. The reduced weight contributes to improved fuel efficiency and overall vehicle performance.
  • Efficient Power Transfer: Rack and pinion systems offer efficient power transfer from the steering input to the wheels. The rack and pinion mechanism provide a direct mechanical linkage, allowing for minimal energy loss during power transmission. This efficiency translates into a more responsive steering feel and reduces the effort required from the driver to turn the wheels, especially at low speeds or during parking maneuvers.
  • Low Maintenance and Durability: Rack and pinion steering systems generally require less maintenance compared to other steering designs. The simplicity of the mechanism, with fewer moving parts, reduces the likelihood of component failure or wear. The durability of rack and pinion systems contributes to their long service life, providing reliable steering performance throughout the vehicle’s lifespan.
  • Improved Steering Feedback: Rack and pinion steering systems provide better steering feedback to the driver compared to other systems. The direct connection between the steering wheel and the rack allows the driver to feel the road surface and the vehicle’s response more accurately. This enhanced feedback helps the driver make precise steering adjustments, improving overall vehicle control and safety.
  • Adaptability to Power Steering: Rack and pinion steering systems can be easily integrated with power steering systems. The rack and pinion mechanism can accommodate hydraulic or electric power assistance, enhancing the driver’s steering comfort and reducing the effort required to maneuver the vehicle. Power-assisted rack and pinion steering systems offer variable assist levels, adjusting the steering effort based on driving conditions for optimal control.

In conclusion, using rack and pinion for steering in vehicles provides benefits such as precise and responsive steering, compact and lightweight design, efficient power transfer, low maintenance, improved steering feedback, and adaptability to power steering. These advantages contribute to enhanced control, maneuverability, and driving experience, making rack and pinion steering systems a popular choice in modern vehicles.

plastic gear rack

What are the key components of a rack and pinion mechanism?

A rack and pinion mechanism consists of several key components that work together to convert rotational motion into linear motion. Here’s a detailed explanation of the key components of a rack and pinion mechanism:

  • Rack: The rack is a linear gear with teeth along its length. It is a long, straight bar that serves as the linear motion component of the mechanism. The rack is often made of metal or plastic and is designed with precision to ensure smooth engagement with the pinion.
  • Pinion: The pinion is a small gear with teeth that mesh with the teeth on the rack. It is the rotational motion component of the mechanism. The pinion is typically mounted on a shaft and is connected to a rotary motion source, such as an electric motor or a manual crank.
  • Teeth: The teeth on both the rack and the pinion are integral to the mechanism’s operation. The teeth of the pinion mesh with the teeth on the rack, allowing for the transfer of motion. The tooth profile and spacing are crucial for ensuring smooth and efficient engagement between the rack and pinion.
  • Bearing Support: To ensure smooth and reliable operation, a rack and pinion mechanism often incorporates bearing support. Bearings are used to support the pinion shaft, reducing friction and allowing for smooth rotation. Bearings may also be used to support the rack, depending on the specific design and application.
  • Guides: Guides are used to guide and support the linear motion of the rack. They help maintain alignment and prevent lateral movement or misalignment during operation. Guides can be in the form of rails, tracks, or other structures that keep the rack in the desired path of motion.
  • Housing or Mounting Structure: A rack and pinion mechanism may include a housing or mounting structure to provide support, stability, and proper alignment of the components. The housing or structure ensures that the rack and pinion remain securely in place, maintaining the integrity of the mechanism during operation.
  • Additional Components: Depending on the specific application, a rack and pinion mechanism may incorporate additional components. These can include lubrication systems to reduce friction and wear, position sensors for feedback and control, and protective covers or enclosures to shield the mechanism from dust, debris, or environmental elements.

Each of these components plays a vital role in the operation of a rack and pinion mechanism, enabling the conversion of rotational motion to linear motion with precision and efficiency.

China OEM 2024 Mighty Module 1 Sliding Door Window Opener Small Linear System Rack and Pinion with Hot sellingChina OEM 2024 Mighty Module 1 Sliding Door Window Opener Small Linear System Rack and Pinion with Hot selling
editor by CX 2024-03-26