China factory CZPT Straight Gear Rack, Spur Arc Gear Segment, Tooth Rack worm gear motor

Product Description

Product Description

Helical Rack Processing
Rack gear  Process: Drawing— Simulation Modelling—Making casting model—Casting— Primary Detection—Rough machining—Hardening Tempering—Semi-finishing machining —Hobbing—Tooth Surface Quenching—Gear grinding—Gear Surface Carburzing—Inspection—Spray Anti-rust Oil—Package—Delivery

Arc Gear Segment Package
Spray anti-rust oil on Gear rack, Wrap waterproof cloth around , Prepare package by shaft shape & weight to choose steel frame, steel support or wooden box etc.
OEM Customized Big Module Gear Segment
We supply OEM SERVICE, customized gear with big module, more than 1tons big weight, 42CrMo/45 steel or your specified required material  tooth rack. 

Detailed Photos

Product Parameters

Module m Range: 2~70
Gear Teeth Number z OEM by drawing’s technical parameters
Teeth Height H OEM by drawing’s technical parameters
Teeth Thickness S OEM by drawing’s technical parameters
Tooth pitch P OEM by drawing’s technical parameters
Tooth addendum Ha OEM by drawing’s technical parameters
Tooth dedendum Hf OEM by drawing’s technical parameters
Working height h’ OEM by drawing’s technical parameters
Bottom clearance C OEM by drawing’s technical parameters
Pressure Angle α OEM by drawing’s technical parameters
Helix Angle,    OEM by drawing’s technical parameters
Surface hardness HRC Range: HRC 50~HRC65(Quenching)
Hardness: HB Range: HB150~HB280; Hardening Tempering/ Hardened Tooth Surface 
Surface finish   Range: Ra1.6~Ra3.2
Tooth surface roughness Ra Range: ≥0.4
Gear Accuracy Grade   Grade Range: 5-6-7-8-9 (ISO 1328)
Diameter L Range: 0.5m~10m
Weight Kg Range: Min. 50kg~Max. 80tons Single Piece
Gear Position   Internal/External/Girth Gear
Toothed Portion Shape   Spur Gear/Bevel/Spiral/Helical/Straight
Gear Pinion   Gear, Pinion, Gear Rack & Gear Segment
Material Casting ZG42CrMo, ZG 45#, ZG40Cr, ZG35CrMo or OEM
Manufacturing Method   Cut Gear, Grinded Gear, Hobbing
Gear Teeth Milling  
Gear Teeth Grinding  
Heat Treatment   Quenching /Carburizing
Sand Blasting   Null
Testing   UT\MT\PT
Trademark   TOTEM/OEM
Transport Package   Export package (wooden box, steel frame etc.)
Origin   China
HS Code   8483409000

TOTEM SERVICE

TOTEM Machinery all the time works to supply GEAR SHAFT, ECCENTRIC SHAFT, HERRINGBONE GEAR, BEVEL GEAR, INTERNAL GEAR and other parts for transmission device & equipment (large industrial reducer & driver). Which mainly use to industrial equipment on fields of port facilities, cement, mining, metallurgical industry etc. 
TOTEM Machinery invests and becomes shareholders of several machine processing factories, forging factories, casting factories, relies on these strong reliable and high-quality suppliers’ network, to let customers worry-free purchase.  

TOTEM Philosophy: Quality-No.1, Integrity- No.1, Service- No.1 

24hrs Salesman on-line, guarantee quick and positive feedback. Experienced and Professional Forwarder Guarantee Log. transportation.
 

About TOTEM

1. Workshop & Processing Strength

2. Testing Facilities

3. Customer Inspection & Shipping

Contact TOTEM

ZheJiang CHINAMFG Machinery Co.,Ltd
  
Facebook: ZheJiang Totem
 

FAQ

What’s CHINAMFG product processing progress?
Drawing CHECK, Make Forging/Casting Mold, Forging/Casting Mold Quality Inspection Check, Machine Processing, Check Size\Hardness\Surface Finish and other technical parameters on drawing. 

How about TOTEM’s export package?
Spray anti-rust oil on Herringbone Gear rack, Wrap waterproof cloth around Gear Shaft for reducer, Prepare package by gear segment shape&weight to choose steel frame, steel support or wooden box etc.

Could I customize gear\gear shaft on TOTEM?
We supply customized Gear Shaft,Eccentric Shaft,Herringbone Gear,Internal Gear,Bevel Gear with big module, more than 1tons big weight, more than 3m length, forging or casting 42CrMo/35CrMo or your specified required material. 

Why can I choose TOTEM?
TOTEM has 24hrs Salesman on-line, guarantee quick and positive feedback.
TOTEM Machinery invests and becomes shareholders of several machine processing factories, forging factories, casting factories, relies on these strong reliable and high-quality supplier’s network, to let customers worry-free purchase.
Experienced and Professional Forwarder Guarantee Log. transportation.
 

 

Type: Gear Segment
Application: Motor,Driver
Condition: New
Transport Package: Export Package
Specification: large
Trademark: Totem
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

Can spur gear racks be applied in automotive applications, and if so, how?

Yes, spur gear racks can be widely applied in automotive applications, playing essential roles in various systems and components. Their durable and reliable characteristics make them suitable for different automotive functions. Here’s a detailed explanation of how spur gear racks can be utilized in automotive applications:

  • Steering Systems: One of the primary applications of spur gear racks in automobiles is in steering systems. Gear racks are used in rack and pinion steering systems to convert rotational motion from the steering wheel into linear motion to control the direction of the wheels. The gear rack is mounted on the steering shaft, and as the pinion gear rotates, it engages with the gear teeth on the rack, causing the rack to move linearly and turn the wheels accordingly. Spur gear racks offer accurate and responsive steering, ensuring safe and reliable maneuverability.
  • Seat Adjustments: Spur gear racks are also employed in automotive seat adjustment mechanisms. They enable the linear positioning of seats to accommodate different driver and passenger preferences. Gear racks, along with a pinion gear or motor, are used to achieve the desired seat height adjustment, forward and backward movement, and reclining angles. The gear rack system provides smooth and precise seat adjustments, enhancing comfort and ergonomics in vehicles.
  • Window and Sunroof Mechanisms: Gear racks are utilized in automotive window and sunroof mechanisms to provide controlled and reliable linear motion. The gear rack, along with a motor or manual crank, enables the raising and lowering of windows or the opening and closing of sunroofs. Spur gear racks ensure smooth and synchronized movement of the window or sunroof panels, enhancing convenience and ventilation in vehicles.
  • Convertible Top Actuation: In convertible vehicles, spur gear racks are employed in the actuation of the convertible top mechanism. The gear rack, driven by a motor or hydraulic system, facilitates the controlled extension or retraction of the convertible top. Spur gear racks offer precise and synchronized linear motion, ensuring smooth and reliable operation of the convertible top mechanism.
  • Transmission Systems: Spur gear racks can be utilized in certain automotive transmission systems, particularly in manual transmissions. Gear racks, along with a shifting mechanism, enable the linear movement of gears to engage different gear ratios. By sliding the gear rack, the transmission system achieves the desired gear selection, allowing for smooth and efficient power transfer from the engine to the wheels.
  • Chassis and Suspension Systems: Spur gear racks can be employed in automotive chassis and suspension systems to facilitate various movements and adjustments. For example, they can be used in adjustable suspension systems to control the ride height and stiffness of the vehicle. Gear racks, along with hydraulic or electronic actuators, allow for precise and dynamic adjustments, enhancing handling, stability, and comfort in different driving conditions.

Overall, spur gear racks are essential components in automotive applications, providing reliable and precise linear motion in steering systems, seat adjustments, window and sunroof mechanisms, convertible top actuation, transmission systems, and chassis/suspension systems. Their robust construction and ability to handle high loads make them suitable for the demanding requirements of the automotive industry.

spur gear rack

How is a spur gear rack different from other types of gear racks?

A spur gear rack is a specific type of gear rack, distinguished by its straight teeth that are parallel to the axis of the rack. While other types of gear racks may have different tooth profiles or orientations, the main differences lie in their design and application.

Helical Gear Rack: Unlike spur gear racks, helical gear racks have teeth that are cut at an angle, forming a helix shape. This helical arrangement allows for smoother and quieter operation compared to spur gear racks. Helical gear racks are commonly used in applications where high precision, load capacity, and reduced noise are important, such as in CNC machines and industrial automation systems.

Bevel Gear Rack: Bevel gear racks are designed to transmit motion between intersecting shafts with different orientations. Instead of a straight bar, a bevel gear rack consists of a curved or angled rack surface that meshes with a bevel gear. This configuration allows for the transfer of motion at various angles, making it suitable for applications such as steering systems in vehicles and certain power transmission systems.

Worm Gear Rack: In a worm gear rack system, a worm gear engages with the rack to convert rotational motion into linear motion. The worm gear has a threaded shaft that meshes with the teeth on the rack. Worm gear rack setups are commonly used in applications where a large reduction ratio is required, such as in lifting mechanisms, conveyor systems, and certain types of machinery.

Rack and Pinion Gear Rack: The rack and pinion gear rack system consists of a straight rack and a cylindrical gear (pinion) that meshes with the rack. This arrangement is similar to a spur gear rack, but the pinion gear is typically smaller in diameter and has a different tooth profile. Rack and pinion gear racks are widely used in steering systems, linear actuators, and many other applications that require linear motion conversion.

Each type of gear rack has its own advantages and is suited for specific applications. The choice of gear rack type depends on factors such as load requirements, precision, noise considerations, gear ratio, and the desired motion characteristics.

China factory CZPT Straight Gear Rack, Spur Arc Gear Segment, Tooth Rack worm gear motorChina factory CZPT Straight Gear Rack, Spur Arc Gear Segment, Tooth Rack worm gear motor
editor by CX 2023-09-23

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