China high quality Galvanized Nickel Plating Customized Machining Parts Stainless Steel Metric Imperial Linear Motion Helical Spur Tooth Curved Gear Pinion Rack hypoid bevel gear

Product Description

Galvanized Nickel Plating Customized Machining Parts Stainless Steel Metric Imperial Linear Motion Helical Spur Tooth Curved Gear Pinion Rack

Features

1. High-precision rack for smooth, quiet operation.
2. Precision pinions easily mount to gearboxes.
3. Can be combined and cut into arbitrary shorter lengths.
4. High stabilization, flexible for custom-made requests.
5. High Load capability, more compact, but less complex.
6. Constant stiffness over the complete travel length plus good system performance.

Product Description

Product Type Helical teeth gear rack/ Straight teeth gear rack
Model Number M1 M1.25 M1.5 M2 M2.5 M3 M4 M5 M6 M8 M10 M12
Length 500mm, 1000mm, 2000mm, custom length
Material C45, 42CrMo, SS304, SS316, nylon, POM
Helix Angle Standard 19°31’42” or customized angle
Precision DIN5 DIN6 DIN7 DIN8 DIN9 DIN10 
Pressure Angle 14.5 / 15 / 20 degree
Finish Black oxide, galvanized, teeth hardened
Application Automation Machines, CNC Machine, Building Material Shops, Manufacturing Plants, Machinery Repair Shops, Construction works
Delivery Time Stock size 2-5 days; customized size 10-30 days

 

Detailed Photos

 

 

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Company Profile

FAQ

Q: How to ship to us?
A: It is available by air, sea, or train.

Q: How to pay the money?
A: T/T and L/C are preferred, with different currencies, including USD, EUR, RMB, etc.

Q: How can I know if the product is suitable for me?
A: >1ST confirm drawing and specification >2nd test sample >3rd start mass production.

Q: Can I come to your company to visit?
A: Yes, you are welcome to visit us at any time.

Shipping Cost:

Estimated freight per unit.



To be negotiated
Application: Machinery, Sliding Gate
Hardness: Hardened Tooth Surface
Gear Position: External Gear
Samples:
US$ 50/Piece
1 Piece(Min.Order)

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Order Sample

Black and silver
Customization:
Available

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Customized Request

helical gear rack

How does the design of the helical gear rack affect its performance?

The design of the helical gear rack plays a crucial role in determining its performance characteristics. Here’s a detailed explanation of how different design aspects of the helical gear rack affect its performance:

  • Tooth Profile: The tooth profile of the helical gear rack significantly influences its performance. The shape and dimensions of the teeth determine factors such as load distribution, contact ratio, smoothness of engagement, and noise generation. An optimized tooth profile ensures efficient power transmission, minimizes stress concentrations, and reduces noise and vibration levels. The choice of tooth profile, such as involute, leads to different performance characteristics and can be tailored to specific application requirements.
  • Pressure Angle: The pressure angle is the angle between the line of action and a line perpendicular to the tooth surface. It affects the load-carrying capacity and efficiency of the gear rack. Higher pressure angles, such as 20 degrees or 25 degrees, provide higher load capacity but may result in lower efficiency due to increased sliding friction. Lower pressure angles, such as 14.5 degrees, offer improved efficiency but have a reduced load capacity. The selection of the pressure angle depends on the specific application’s requirements regarding load capacity, efficiency, and noise considerations.
  • Helix Angle: The helix angle refers to the angle between the tooth and the gear rack’s axis. Helical gear racks have teeth that are cut at an angle, resulting in a helical shape. The helix angle affects the smoothness of tooth engagement and the distribution of forces along the tooth surface. A higher helix angle typically provides smoother and quieter operation but may reduce the gear rack’s load capacity. The selection of the helix angle depends on the desired balance between performance, noise level, and load capacity for a specific application.
  • Module: The module, also known as the diametral pitch, defines the size and spacing of the teeth on the gear rack. It affects the gear rack’s load capacity, strength, and the size of the mating gear. A larger module typically results in stronger teeth and higher load-carrying capacity. However, it may also require larger mating gears and increase the overall size of the gear system. The module is selected based on the specific application requirements, considering factors such as load, speed, space constraints, and desired gear system efficiency.
  • Material: The choice of material for the helical gear rack affects its performance and durability. Common materials used for gear racks include steel, stainless steel, cast iron, and various alloys. The material should have sufficient strength, hardness, and wear resistance to withstand the anticipated loads and operating conditions. The material selection also considers factors such as corrosion resistance, cost, and availability. Proper material selection ensures that the gear rack can perform reliably and maintain its integrity throughout its service life.
  • Manufacturing Quality: The manufacturing quality of the helical gear rack is crucial for its performance. Precise machining and manufacturing processes ensure accurate tooth profiles, correct dimensions, and proper alignment of the gear rack. Good manufacturing practices help in achieving smooth tooth engagement, minimizing backlash, and ensuring consistent performance. High-quality manufacturing also reduces the risk of premature wear, tooth failure, and system inefficiencies.

It’s important to note that the specific design parameters and their impact on performance may vary depending on the application requirements, load conditions, and the overall gear system design. Consulting with gear rack specialists or manufacturers can help in selecting the appropriate design parameters to optimize the gear rack’s performance for a specific application.

In summary, the design of the helical gear rack, including the tooth profile, pressure angle, helix angle, module, material, and manufacturing quality, significantly affects its performance. The design parameters influence load capacity, efficiency, noise level, smoothness of engagement, strength, and overall reliability. A well-designed gear rack ensures efficient power transmission, minimal wear, and reliable performance in a wide range of applications.

helical gear rack

Can helical gear racks be applied in CNC machining for positioning?

Yes, helical gear racks can be effectively applied in CNC (Computer Numerical Control) machining for precise positioning. Here’s a detailed explanation:

  • Precision Positioning: CNC machining requires accurate and repeatable positioning of the cutting tool or workpiece. Helical gear racks offer precise linear motion, making them well-suited for CNC applications that require precise positioning along the X, Y, or Z-axis. The inclined teeth of the gear rack engage with the mating helical gear, ensuring smooth and continuous motion with minimal backlash. This precision positioning capability enables CNC machines to achieve the desired accuracy in cutting, drilling, milling, and other machining operations.
  • Load Capacity: CNC machining often involves heavy workpieces and cutting forces. Helical gear racks are designed to handle significant loads. The load distribution across multiple teeth reduces stress concentration and increases the load-carrying capacity of the gear rack. This makes helical gear racks suitable for CNC applications that involve moving heavy workpieces or applying high cutting forces, ensuring stable and reliable positioning during machining processes.
  • Smooth Motion and Reduced Vibration: The inclined tooth profile of helical gear racks enables smooth and continuous motion. The gradual engagement of the teeth with the mating gear results in reduced noise, vibration, and sudden impacts compared to other gear types. This smooth motion and reduced vibration contribute to improved surface finish, dimensional accuracy, and tool life in CNC machining. It helps minimize chatter and tool deflection, allowing for precise and efficient material removal during the machining process.
  • Compatibility with CNC Systems: Helical gear racks can be easily integrated into CNC systems. They can be coupled with servo motors or linear actuators and incorporated into the machine’s mechanical structure to convert rotary motion into linear motion. CNC control systems can accurately control the movement of the gear rack, enabling precise positioning based on the programmed instructions. The compatibility of helical gear racks with various CNC systems makes them a reliable and versatile choice for achieving precise positioning in CNC machining.
  • High Durability and Long Service Life: 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. In CNC machining, where machines often operate for extended periods, the reliability and longevity of gear racks are crucial. The robust construction and quality manufacturing of helical gear racks ensure their ability to withstand the demanding conditions of CNC machining environments.

Considering these advantages, helical gear racks are widely used in CNC machining for accurate and reliable positioning. Their precision, load capacity, smooth motion, compatibility with CNC systems, and durability make them suitable for a variety of CNC applications, including milling, turning, grinding, and other machining operations. By incorporating helical gear racks into CNC machines, manufacturers can achieve the desired precision, productivity, and quality in their machining processes.

helical gear rack

What is a helical gear rack, and how does it function?

A helical gear rack is a specialized type of gear rack that incorporates helical teeth. It is used in various mechanical systems to convert rotational motion into linear motion or vice versa. Here’s a detailed explanation of what a helical gear rack is and how it functions:

A helical gear rack consists of a long, straight bar or rail with a series of teeth cut along its length. Unlike a standard straight gear rack, the teeth of a helical gear rack are cut at an angle or helix to the rack’s axis. This angled tooth design resembles that of a helical gear. The mating component to the helical gear rack is usually a helical gear, which engages with the rack’s teeth to transmit motion.

The functioning of a helical gear rack is as follows:

  1. Motion Transmission: When a rotating helical gear meshes with a helical gear rack, the angled teeth of the gear engage with the corresponding angled teeth of the rack. As the gear rotates, the contact between the gear teeth and the rack teeth causes the rack to move linearly along its length. The rotational motion of the gear is thus converted into linear motion of the rack.
  2. Smooth and Quiet Operation: The helical tooth design of both the gear rack and the mating gear allows for gradual tooth engagement, resulting in smoother and quieter operation compared to straight gear racks. The helical teeth gradually come into contact, reducing the impact and noise that can occur with instantaneous contact in straight gear racks.
  3. Increased Load-Carrying Capacity: The helical tooth design of the gear rack and gear provides increased load-carrying capacity compared to straight gear racks. The angled teeth allow for multiple teeth to be in contact simultaneously, distributing the load across a larger area. This increased contact area and tooth engagement result in improved load distribution and higher load-carrying capacity.
  4. Axial Thrust: One characteristic of helical gear racks is the generation of axial thrust forces. Due to the angled teeth, the helical gear exerts an axial force on the helical gear rack as it rotates. This axial thrust needs to be considered and properly managed in the system design to ensure smooth operation and prevent excessive wear or damage.
  5. Applications: Helical gear racks find applications in various industries and mechanical systems. They are commonly used in machine tools, such as CNC milling machines and CNC routers, where precise linear positioning is required. Helical gear racks are also utilized in conveyor systems, robotics, automation equipment, and other applications that involve converting rotational motion into linear motion or vice versa.

In summary, a helical gear rack is a specialized type of gear rack with angled teeth that functions by meshing with a helical gear to convert rotational motion into linear motion. The helical tooth design provides smoother operation, increased load-carrying capacity, and axial thrust forces. Helical gear racks are widely used in various mechanical systems that require precise linear motion control.

China high quality Galvanized Nickel Plating Customized Machining Parts Stainless Steel Metric Imperial Linear Motion Helical Spur Tooth Curved Gear Pinion Rack hypoid bevel gearChina high quality Galvanized Nickel Plating Customized Machining Parts Stainless Steel Metric Imperial Linear Motion Helical Spur Tooth Curved Gear Pinion Rack hypoid bevel gear
editor by CX 2023-09-28