Product Description

CNC Machine Helical Spur Gear Rack for Sliding Gate Motor

Cylindrical Rack
1. Produce strictly in accordance with ANSI or DIN standard dimension
2. Material: Stainless Steel, Carbon Steel, Brass,  Bronze, Iron, Aluminum Alloy etc
3. Bore: Finished bore
4. Precision grade: DIN 5 to DIN 7
5. Surface treatment: Carburizing and Quenching
6. Module: From 1 to 8
7. Tooth: From Z15 to Z70

Product Parameters

Product name Spur Gear & Helical Gear & Gear Shaft
Customized service OEM, drawings or samples customize
Materials Available Stainless Steel, Carbon Steel, S45C, SCM415, 20CrMoTi, 40Cr, Brass, SUS303/304, Bronze, Iron, Aluminum Alloy etc
Heat Treatment Quenching & Tempering, Carburizing & Quenching, High-frequency Hardening, Carbonitriding……
Surface Treatment Conditioning, Carburizing and Quenching,Tempering ,High frequency quenching, Tempering, Blackening, QPQ, Cr-plating, Zn-plating, Ni-plating, Electroplate, Passivation, Picking, Plolishing, Lon-plating, Chemical vapor deposition(CVD), Physical vapour deposition(PVD)…
BORE Finished bore, Pilot Bore, Special request
Processing Method Molding, Shaving, Hobbing, Drilling, Tapping, Reaming, Manual Chamfering, Grinding etc
Pressure Angle 20 Degree
Hardness 55- 60HRC
Size Customer Drawings & ISO standard
Package Wooden Case/Container and pallet, or made-to-order
Certificate ISO9001:2008
Machining Process Gear Hobbing, Gear Milling, Gear Shaping, Gear Broaching, Gear Shaving, Gear Grinding and Gear Lapping
Applications Printing Equipment Industry, Laser Equipment Industry, Automated Assemblyline Industry, Woodening Industry, Packaging Equipment Industry, Logistics storage Machinery Industry, Robot Industry, Machine Tool Equipment Industry

Company Profile

Packaging & Shipping

Packaging Polyethylene bag or oil paper for each item;
Pile on carton or as customer’s demand
Delivery of Samples By DHL, Fedex, UPS,  TNT, EMS
Lead time 10-15 working days as usual, 30days in busy season, it will based on the detailed order quantity.

FAQ

Main Markets? North America, South America, Eastern Europe , West Europe , North Europe, South Europe, Asia
How to order? * You send us drawing or sample
* We carry through project assessment
* We give you our design for your confirmation
* We make the sample and send it to you after you confirmed our design
* You confirm the sample then place an order and pay us 30% deposit
* We start producing
* When the goods is done, you pay us the balance after you confirmed pictures or tracking numbers.
* Trade is done, thank you!!

 

If you are interested in our products, please tell us which materials, type, width, length u want. 

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Application: Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car, Machinery Parts
Hardness: Hardened Tooth Surface
Gear Position: External Gear
Manufacturing Method: Rolling Gear
Toothed Portion Shape: Spur Gear
Material: Stainless Steel
Samples:
US$ 12/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

spur gear rack

How does the design of a spur gear rack affect its performance?

The design of a spur gear rack plays a crucial role in determining its performance characteristics and overall functionality. Various design elements and parameters influence the performance of a spur gear rack. Here’s how the design aspects affect its performance:

  • Tooth Profile: The tooth profile of the spur gear rack, such as involute or cycloidal, directly impacts its performance. The tooth profile affects the smoothness of tooth engagement, the load distribution along the tooth contact area, and the amount of backlash or clearance between mating gears. A well-designed tooth profile ensures efficient power transmission, minimizes noise and vibration, and maximizes the contact area for improved load-carrying capacity.
  • Pitch: The pitch of the spur gear rack refers to the distance between consecutive teeth. The pitch determines the linear motion achieved per revolution of the mating pinion gear. The design of the rack should consider the specific requirements of the application. A smaller pitch provides finer and more precise linear motion, while a larger pitch allows for faster linear motion over a given distance. The pitch selection affects the speed, accuracy, and resolution of the linear motion system.
  • Pressure Angle: The pressure angle is the angle between the line of action and the line perpendicular to the tooth surface. It affects the efficiency, load distribution, and contact strength of the gear system. Common pressure angles for spur gear racks are 14.5 degrees and 20 degrees. Higher pressure angles generally offer higher load-carrying capacity and improved contact strength. The appropriate pressure angle selection depends on the specific application requirements and the desired balance between load capacity and efficiency.
  • Module: The module of a spur gear rack defines the size and dimensions of the teeth. It affects the strength, load-carrying capacity, and overall size of the gear. A larger module generally results in larger teeth and a more robust gear rack capable of handling higher loads. However, it also increases the size and weight of the gear. The module selection should consider the application’s torque requirements, available space, and weight constraints to achieve an optimal balance between strength and size.
  • Material: The choice of material for the spur gear rack impacts its performance and durability. Common materials used include steel, stainless steel, cast iron, and various alloys. The material selection depends on factors such as load capacity, operating conditions, and desired properties like strength, wear resistance, and corrosion resistance. The material should be carefully chosen to ensure sufficient strength and durability while considering environmental factors, temperature variations, and the presence of any corrosive substances.
  • Surface Finish: The surface finish of the spur gear rack affects its performance in terms of friction, wear resistance, and noise generation. Proper surface finishing techniques, such as grinding or honing, can improve the tooth surface quality, reduce friction, and minimize noise. A smooth and properly finished tooth surface enhances the efficiency, reduces power losses, and increases the overall performance of the gear rack system.
  • Tolerance and Accuracy: The design of the spur gear rack should consider the required tolerances and accuracy for the specific application. Precise manufacturing and tight tolerances ensure proper tooth engagement, minimize backlash, and maintain accurate linear motion. The design should account for factors such as tooth profile accuracy, concentricity, and parallelism to achieve the desired performance characteristics.
  • Geometry and Strength: The overall geometry and strength of the spur gear rack affect its load-carrying capacity and resistance to tooth failure. The gear rack’s geometry, including tooth thickness, height, and width, should be designed to distribute the load evenly along the tooth contact area. Proper tooth geometry improves the gear’s ability to withstand high loads, reduces stress concentrations, and enhances its overall performance and longevity.

By carefully considering these design aspects, a spur gear rack can be optimized to meet the specific performance requirements of different applications. A well-designed gear rack ensures efficient power transmission, smooth operation, accurate linear motion, and reliable performance throughout its intended service life.

spur gear rack

How do spur gear racks contribute to load distribution and control?

Spur gear racks play a crucial role in load distribution and control in various mechanical systems. Their design and engagement with pinion gears allow for efficient power transmission, load sharing, and control over the movement of loads. Here’s a detailed explanation of how spur gear racks contribute to load distribution and control:

  • Load Transmission: Spur gear racks are designed to transmit rotational motion into linear motion. When a pinion gear engages with the gear teeth on the rack, the rotational force applied to the pinion is converted into linear motion along the rack’s length. This allows for the transfer of torque and power from the pinion to the rack, enabling the distribution of loads along the rack’s teeth.
  • Load Sharing: In systems with multiple spur gear racks, load sharing occurs as the load is distributed among the engaged gear racks. For example, in a rack and pinion steering system, the torque applied to the steering wheel is transmitted to the pinion gear, which in turn engages with the rack. As the rack moves linearly, the load is distributed evenly among the teeth of the engaged rack sections, ensuring balanced force distribution and smooth operation.
  • Force Control: By varying the input torque or adjusting the engagement between the pinion gear and the gear rack, the force applied to the rack can be controlled. This allows for precise force control in applications such as steering systems or adjustable suspension systems. By adjusting the force applied to the gear rack, the sensitivity and responsiveness of the system can be fine-tuned, providing the desired level of control and feedback to the user.
  • Position Control: Spur gear racks enable precise position control of loads. By driving the pinion gear with a motor or actuator, the linear movement of the gear rack can be accurately controlled. This is important in applications such as seat adjustments, window mechanisms, or convertible top actuation, where precise positioning is required. Gear racks provide a reliable and repeatable means of achieving the desired linear displacement with high positional accuracy.
  • Load Capacity: Spur gear racks are designed to handle high loads and distribute them evenly along the teeth of the rack. The tooth geometry and the material properties of the gear rack are carefully selected to ensure sufficient strength and load-carrying capacity. This allows spur gear racks to efficiently distribute and control loads, making them suitable for applications that involve heavy loads, such as steering systems or industrial machinery.
  • Noise and Vibration Control: Properly designed spur gear racks with accurate tooth profiles and precise engagement can help reduce noise and vibration. The smooth and continuous meshing of the pinion gear with the gear rack minimizes backlash and unwanted movement, resulting in quieter operation. Additionally, gear racks can be designed with features such as tooth modifications or damping mechanisms to further reduce noise and vibration levels.

In summary, spur gear racks contribute to load distribution and control by transmitting torque and power, sharing loads among engaged racks, allowing for force and position control, handling high loads, and reducing noise and vibration. Their precise and reliable operation makes them valuable components in various mechanical systems where load distribution, control, and precise positioning are essential.

spur gear rack

What are the key components and design features of a spur gear rack?

A spur gear rack consists of several key components and design features that contribute to its functionality and performance:

  1. Rack: The rack is the main component of a spur gear rack. It is a long, straight bar with teeth along one side. The teeth are typically straight and parallel to the rack’s axis. The rack provides the linear motion in the gear rack system.
  2. Teeth: The teeth on the rack are a crucial design feature. They are designed to mesh with the teeth on the pinion gear. The teeth transfer the rotational motion of the pinion to the linear motion of the rack, or vice versa. The shape, size, and spacing of the teeth can vary depending on the application and the desired performance characteristics.
  3. Pinion: The pinion is a cylindrical gear that meshes with the teeth on the rack. It is mounted parallel to the rack and rotates to engage with the rack teeth. The pinion transfers rotational motion to the rack, causing it to move linearly. The size of the pinion can vary depending on the gear ratio and the specific application.
  4. Gear Ratio: The gear ratio is an important design consideration in a spur gear rack system. It determines the relationship between the rotational motion of the pinion and the linear motion of the rack. The gear ratio is defined by the number of teeth on the pinion and the rack. By adjusting the gear ratio, the speed, torque, and direction of the linear motion can be controlled.
  5. Backlash: Backlash refers to the amount of clearance or play between the teeth of the rack and the pinion. Minimizing backlash is essential for accurate and precise motion transfer. Various techniques, such as proper gear meshing, tooth profile optimization, and using high-quality materials, are employed to reduce backlash in spur gear racks.
  6. Material: Spur gear racks are typically made from materials with high strength and wear resistance, such as steel or other alloys. The choice of material depends on factors like load requirements, operating conditions, and cost considerations. The teeth of the rack and pinion are often hardened or treated to withstand the forces and wear associated with gear meshing.
  7. Lubrication: Proper lubrication is essential for the smooth operation and longevity of spur gear racks. Lubricants reduce friction, wear, and heat generation at the gear meshing interface. The type and method of lubrication may vary depending on the application and operating conditions.

These key components and design features work together to ensure efficient power transmission, precise motion control, and durability in spur gear rack systems. By optimizing these factors, spur gear racks can be tailored to meet the specific requirements of various applications across different industries.

China Standard CNC Machine Helical Spur Gear Rack for Sliding Gate Motor with Best SalesChina Standard CNC Machine Helical Spur Gear Rack for Sliding Gate Motor with Best Sales
editor by Dream 2024-05-16

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