China Custom M1-M8 C45 Holes Straight or Helical Gear Rack for Automatic Sliding Gate straight bevel gear

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.


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 piece for ones in stock.


3. How long is your delivery time?

It takes around 3-5 days for ones in stock and 30 days around for bulk production.

4. Do you offer sample and is that free?

Yes, we could offer free sample for testing and the shipping cost is covered by our customers.


5. What if I don’t see the product specification I want?

No worries, we offer a complete line and you’re welcome for asking more specifications.


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.

If you have another question, pls feel free to contact me without hesitation as below:

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

Request Sample



Customized Request

helical gear rack

What safety considerations should be kept in mind when working with helical gear racks?

When working with helical gear racks, it is essential to keep several safety considerations in mind. Here’s a detailed explanation of the safety considerations associated with helical gear racks:

  • Proper Training: Individuals working with helical gear racks should receive proper training on their installation, operation, and maintenance. This training should cover safety procedures, potential hazards, and the correct use of personal protective equipment (PPE).
  • Pinch Points: Helical gear racks typically have teeth that can create pinch points during operation. It is crucial to exercise caution and avoid placing fingers, hands, or any body part near the gear rack while it is in motion. Adequate guarding or barriers should be in place to prevent accidental contact with moving parts.
  • Lubrication: Proper lubrication is essential for the smooth operation and longevity of helical gear racks. However, spilled or excess lubricant can create slippery surfaces, increasing the risk of slips, trips, and falls. Adequate housekeeping measures should be in place to clean up any spills promptly and maintain a safe working environment.
  • Overloading and Shock Loads: Helical gear racks have specified load capacities that should not be exceeded. Overloading the gear rack or subjecting it to sudden shock loads can lead to premature wear, tooth failure, or even catastrophic system failure. It is important to adhere to the manufacturer’s recommended load limits and avoid sudden or excessive loading.
  • Maintenance and Inspection: Regular maintenance and inspection of helical gear racks are crucial for identifying any signs of wear, damage, or misalignment. Worn or damaged gear racks should be promptly replaced to prevent potential failures. Routine inspections should also include checking for proper lubrication, tightness of fasteners, and overall condition of the gear rack system.
  • Electrical Hazards: In applications where helical gear racks are driven by electric motors or other power sources, electrical hazards may be present. Proper electrical safety measures, such as grounding, insulation, and lockout/tagout procedures, should be followed to prevent electrical shocks or accidents.
  • Workplace Ergonomics: Consideration should be given to the ergonomics of the work environment to minimize the risk of strain or injury. This may include ensuring proper lighting, clear visibility of the gear rack area, and ergonomic positioning of controls or workstations.
  • Personal Protective Equipment (PPE): Depending on the specific workplace hazards associated with helical gear racks, appropriate personal protective equipment (PPE) should be worn. This may include safety glasses, protective gloves, hearing protection, and safety footwear to mitigate the risk of injury.

It is important to consult relevant safety guidelines, regulations, and the manufacturer’s instructions specific to the helical gear rack being used. Following proper safety practices and maintaining a safe working environment helps reduce the risk of accidents, injuries, and equipment damage when working with helical gear racks.

helical gear rack

Can helical gear racks be integrated into robotic and automation equipment?

Yes, helical gear racks can be effectively integrated into robotic and automation equipment, offering several advantages in terms of motion control, precision, and efficiency. Here’s a detailed explanation:

  • Precision and Accuracy: Helical gear racks provide precise and accurate linear motion, making them well-suited for robotic and automation applications that require controlled and repeatable movements. The inclined teeth of the gear rack engage with the mating helical gear, ensuring smooth and continuous motion with minimal backlash. This level of precision is crucial for tasks such as positioning, pick-and-place operations, and assembly tasks in robotics and automation.
  • Load Capacity: Helical gear racks are capable of handling significant loads. Their design allows for load distribution across multiple teeth, reducing stress concentration and increasing the load-carrying capacity. This makes them suitable for applications that involve moving heavy objects or performing tasks that require high torque.
  • Efficient Power Transmission: The helical tooth profile and continuous tooth engagement of gear racks contribute to efficient power transmission. The inclined teeth enable smooth meshing with the helical gear, reducing noise, vibration, and energy losses due to friction. The load distribution across multiple teeth helps minimize wear and increases the overall efficiency of the power transmission system in robotic and automation equipment.
  • Compact Design: Helical gear racks have a compact design, which is advantageous in space-constrained robotic and automation systems. Their linear motion capability allows for more streamlined and efficient mechanical arrangements, making them suitable for applications where space optimization is essential.
  • Compatibility with Drive Systems: Helical gear racks can be easily integrated with various drive systems commonly used in robotics and automation, such as servo motors, stepper motors, or linear actuators. They can be mounted and coupled with these drive systems to convert rotary motion into linear motion or vice versa, enabling precise control over the movement of robotic arms, gantries, or other automated mechanisms.
  • Reliability and Durability: Helical gear racks are known for their durability and long service life. They are designed to withstand high loads, provide smooth motion, and resist wear and fatigue. This reliability is crucial in robotic and automation equipment, where consistent and uninterrupted operation is required.

Considering these benefits, helical gear racks find wide applications in various robotic and automation equipment, including industrial robots, CNC machines, automated assembly lines, and material handling systems. Their integration enhances the performance, precision, and efficiency of these systems, contributing to increased productivity and improved overall automation processes.

helical gear rack

How does a helical gear rack differ from other types of gear racks?

A helical gear rack differs from other types of gear racks in several key aspects. Here’s a detailed explanation of the differences between a helical gear rack and other types of gear racks:

1. Tooth Orientation:

  • Straight Gear Rack: A straight gear rack has teeth that are cut perpendicular to the rack’s axis. The teeth are straight and parallel to the rack’s length.
  • Helical Gear Rack: A helical gear rack has teeth that are cut at an angle or helix to the rack’s axis. The teeth have a helical shape, similar to the teeth of a helical gear.
  • Spiral Gear Rack: A spiral gear rack combines the characteristics of both straight and helical gear racks. It has teeth that are cut at an angle to the rack’s axis, but the angle changes gradually along the length of the rack, creating a spiral shape.

2. Smoothness and Noise:

  • Straight Gear Rack: Straight gear racks tend to produce more noise and vibration during operation due to the instantaneous contact between the gear teeth and the rack teeth.
  • Helical Gear Rack: Helical gear racks provide smoother operation and reduced noise compared to straight gear racks. The helical teeth gradually engage, resulting in a smoother meshing action and quieter operation.
  • Spiral Gear Rack: Spiral gear racks also offer smoother operation and reduced noise levels due to the gradual engagement of the teeth along the spiral path.

3. Load Distribution:

  • Straight Gear Rack: In a straight gear rack, only a limited number of teeth engage with the mating gear at any given time, resulting in localized load distribution on the teeth.
  • Helical Gear Rack: Helical gear racks provide improved load distribution compared to straight gear racks. The angled teeth allow multiple teeth to be in contact simultaneously, distributing the load across a larger area and reducing tooth stress.
  • Spiral Gear Rack: Similar to helical gear racks, spiral gear racks also offer improved load distribution due to the angled teeth and the changing spiral angle along the rack’s length.

4. Application:

  • Straight Gear Rack: Straight gear racks are commonly used in applications where linear motion needs to be achieved without the need for smoothness or reduced noise. They are simpler in design and suitable for applications with lower precision requirements.
  • Helical Gear Rack: Helical gear racks are preferred in applications that require smoother operation, reduced noise, and improved load distribution. They are commonly used in precision machinery, such as CNC machines, where precise linear positioning is essential.
  • Spiral Gear Rack: Spiral gear racks are utilized in applications that require smooth operation and load distribution, similar to helical gear racks. They are often found in automation systems, robotics, and other motion control applications.

In summary, a helical gear rack differs from other types of gear racks in terms of tooth orientation, smoothness, noise, load distribution, and application. The helical gear rack’s angled teeth provide smoother operation, reduced noise, and improved load distribution compared to straight gear racks. Spiral gear racks combine the characteristics of both straight and helical gear racks, offering gradual tooth engagement along a spiral path. The choice of gear rack type depends on the specific requirements of the application, such as precision, smoothness, noise levels, and load distribution needs.

China Custom M1-M8 C45 Holes Straight or Helical Gear Rack for Automatic Sliding Gate straight bevel gearChina Custom M1-M8 C45 Holes Straight or Helical Gear Rack for Automatic Sliding Gate straight bevel gear
editor by Dream 2024-05-13


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