China OEM High Quality Spur Straight Gear Rack and Pinion with Great quality

Product Description

 

Basic Info. of Our Customized CNC Machining Parts
Quotation According To Your Drawings or Samples. (Size, Material, Thickness, Processing Content And Required Technology, etc.)
Tolerance  +/-0.005 – 0.01mm (Customizable)
Surface Roughness Ra0.2 – Ra3.2 (Customizable)
Materials Available Aluminum, Copper, Brass, Stainless Steel, Titanium, Iron, Plastic, Acrylic, PE, PVC, ABS, POM, PTFE etc.
Surface Treatment Polishing, Surface Chamfering, Hardening and Tempering, Nickel plating, Chrome plating, zinc plating, Laser engraving, Sandblasting, Passivating, Clear Anodized, Color Anodized, Sandblast Anodized, Chemical Film, Brushing, etc.
Processing Hot/Cold forging, Heat treatment, CNC Turning, Milling, Drilling and Tapping, Surface Treatment, Laser Cutting, Stamping, Die Casting, Injection Molding, etc.
Testing Equipment Coordinate Measuring Machine (CMM) / Vernier Caliper/ / Automatic Height Gauge /Hardness Tester /Surface Roughness Teste/Run-out Instrument/Optical Projector, Micrometer/ Salt spray testing machine
Drawing Formats PRO/E, Auto CAD, CHINAMFG Works , UG, CAD / CAM / CAE, PDF
Our Advantages 1.) 24 hours online service & quickly quote and delivery.
2.) 100% quality inspection (with Quality Inspection Report) before delivery. All our products are manufactured under ISO 9001:2015.
3.) A strong, professional and reliable technical team with 16+ years of manufacturing experience.
4.) We have stable supply chain partners, including raw material suppliers, bearing suppliers, forging plants, surface treatment plants, etc.
5.) We can provide customized assembly services for those customers who have assembly needs.

 

Available Material
Stainless Steel    SS201,SS301, SS303, SS304, SS316, SS416, etc.
Steel    mild steel, Carbon steel, 4140, 4340, Q235, Q345B, 20#, 45#, etc.
Brass    HPb63, HPb62, HPb61, HPb59, H59, H62, H68, H80, etc.
Copper     C11000, C12000,C12000, C36000 etc.
Aluminum     A380, AL2571, AL6061, Al6063, AL6082, AL7075, AL5052, etc.
Iron     A36, 45#, 1213, 12L14, 1215 etc.
Plastic     ABS, PC, PE, POM, Delrin, Nylon, PP, PEI, Peek etc.
Others     Various types of Titanium alloy, Rubber, Bronze, etc.

Available Surface Treatment
Stainless Steel Polishing, Passivating, Sandblasting, Laser engraving, etc.
Steel Zinc plating, Oxide black, Nickel plating, Chrome plating, Carburized, Powder Coated, etc.
Aluminum parts Clear Anodized, Color Anodized, Sandblast Anodized, Chemical Film, Brushing, Polishing, etc.
Plastic Plating gold(ABS), Painting, Brushing(Acylic), Laser engraving, etc.

FAQ:

Q1: Are you a trading company or a factory?
A1: We are a factory

Q2: How long is your delivery time?
A2: Samples are generally 3-7 days; bulk orders are 10-25 days, depending on the quantity and parts requirements.

Q3: Do you provide samples? Is it free or extra?
A3: Yes, we can provide samples, and we will charge you based on sample processing. The sample fee can be refunded after placing an order in batches.

Q4: Do you provide design drawings service?
A4: We mainly customize according to the drawings or samples provided by customers. For customers who don’t know much about drawing, we also   provide design and drawing services. You need to provide samples or sketches.

Q5: What about drawing confidentiality?
A5: The processed samples and drawings are strictly confidential and will not be disclosed to anyone else.

Q6: How do you guarantee the quality of your products?
A6: We have set up multiple inspection procedures and can provide quality inspection report before delivery. And we can also provide samples for you to test before mass production.
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Certification: CE, RoHS, GS, ISO9001
Standard: DIN, ASTM, GOST, GB, JIS, ANSI, BS
Customized: Customized
Material: Metal
Application: Metal Recycling Machine, Metal Cutting Machine, Metal Straightening Machinery, Metal Spinning Machinery, Metal Processing Machinery Parts, Metal forging Machinery, Metal Engraving Machinery, Metal Drawing Machinery, Metal Coating Machinery, Metal Casting Machinery
Tolerance: +/-0.005 – 0.01mm
Samples:
US$ 1/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

plastic gear rack

How do rack and pinion systems handle different gear ratios?

Rack and pinion systems are capable of accommodating different gear ratios to achieve specific mechanical advantages and motion characteristics. Here’s a detailed explanation of how rack and pinion systems handle different gear ratios:

In a rack and pinion system, the gear ratio is determined by the number of teeth on the pinion gear and the length of the rack. The gear ratio defines the relationship between the rotational motion of the pinion and the linear motion of the rack. Different gear ratios can be achieved through various design considerations:

  • Number of Teeth: The number of teeth on the pinion gear directly affects the gear ratio. A larger number of teeth on the pinion gear compared to the number of rack teeth results in a higher gear ratio, providing increased mechanical advantage and slower linear motion of the rack per revolution of the pinion. Conversely, a smaller number of pinion teeth relative to the rack teeth yields a lower gear ratio, delivering higher linear speed but reduced mechanical advantage.
  • Pitch Diameter: The pitch diameter of the pinion gear, which is the diameter of the imaginary circle formed by the gear teeth, also influences the gear ratio. Increasing the pitch diameter of the pinion relative to the rack diameter leads to a higher gear ratio, while decreasing the pitch diameter results in a lower gear ratio. By adjusting the pitch diameters of the pinion and rack, different gear ratios can be achieved.
  • Module or Diametral Pitch: The module (for metric systems) or diametral pitch (for inch systems) is a parameter that defines the size and spacing of the teeth on the gear. By selecting different module or diametral pitch values, the gear ratio can be adjusted. A larger module or lower diametral pitch leads to a lower gear ratio, while a smaller module or higher diametral pitch results in a higher gear ratio.
  • Multiple Stages: Rack and pinion systems can also incorporate multiple stages of gears to achieve complex gear ratios. By combining multiple pinion gears and racks, each with different tooth counts, gear ratios can be multiplied or divided to achieve the desired overall gear ratio. This approach allows for more flexibility in achieving specific motion requirements and torque transmission characteristics.

When selecting the appropriate gear ratio for a rack and pinion system, several factors should be considered, such as the desired linear speed, torque requirements, precision, and system constraints. Higher gear ratios provide increased mechanical advantage and torque multiplication, which is advantageous for applications requiring heavy loads or precise motion control. Lower gear ratios, on the other hand, offer higher linear speed and reduced mechanical advantage, suitable for applications that prioritize rapid movements.

It’s important to note that changing the gear ratio in a rack and pinion system may impact other performance aspects, such as backlash, load distribution, and system efficiency. Proper design considerations, tooth profile selection, and material choices should be made to ensure optimal performance and reliability while maintaining the desired gear ratio.

plastic gear rack

Can rack and pinion mechanisms be applied in CNC machining for positioning?

Yes, rack and pinion mechanisms can be successfully applied in CNC machining for precise positioning of machine tools and workpieces. Here’s a detailed explanation of how rack and pinion mechanisms can be utilized in CNC machining:

Rack and pinion mechanisms offer several advantages that make them suitable for positioning in CNC machining:

  • Precision and Accuracy: Rack and pinion systems provide high precision and accuracy in positioning. The direct engagement between the pinion and the rack ensures a positive and backlash-free transfer of motion, allowing for precise movement and positioning of machine tools and workpieces. This characteristic is essential in CNC machining, where tight tolerances and accurate positioning are required.
  • High Speed and Acceleration: Rack and pinion systems are capable of accommodating high-speed movements and rapid accelerations. The direct power transmission and efficient torque transfer of rack and pinion mechanisms enable quick and dynamic positioning, reducing idle times and improving overall machining efficiency. This characteristic is advantageous in CNC machining, where fast tool changes and rapid workpiece positioning are crucial for productivity.
  • Load Handling Capability: Rack and pinion systems can handle significant loads while maintaining precise positioning. The engagement of the teeth provides a large contact area, allowing for the effective distribution of forces and torque. This capability is important in CNC machining, where heavy-duty cutting operations and the manipulation of large workpieces may be required.
  • Compact Design: Rack and pinion systems offer a compact design, which is advantageous in CNC machining setups with limited space. The linear nature of the rack allows for efficient integration into the machine’s structure, minimizing the overall footprint. This compact design maximizes the workspace utilization and allows for flexible placement of the rack and pinion mechanism.
  • Compatibility with CNC Control Systems: Rack and pinion systems can be easily integrated with CNC control systems. The position and motion of the rack and pinion mechanism can be precisely controlled and programmed using CNC software. This compatibility allows for seamless coordination between the rack and pinion system, servo motors, and other machine axes, enabling synchronized and coordinated movements for complex machining operations.
  • Reliability and Durability: Rack and pinion systems are known for their durability and long service life. When properly designed and maintained, they can withstand the demands of CNC machining, including continuous operation, high speeds, and repetitive movements. This reliability is vital in CNC machining, where machine uptime and consistent performance are critical.

Overall, the application of rack and pinion mechanisms in CNC machining provides precise positioning, high-speed capability, load handling capabilities, compactness, compatibility with CNC control systems, and reliability. These characteristics make rack and pinion systems a popular choice for CNC machine tools, such as gantry mills, CNC routers, plasma cutters, and laser cutting machines.

plastic gear rack

What advantages do rack and pinion systems offer for precise motion control?

Rack and pinion systems offer several advantages for precise motion control. Here’s a detailed explanation of the advantages:

  • Precision: Rack and pinion systems provide high precision in motion control. The teeth on the rack and pinion gears mesh closely, resulting in minimal backlash or play. This close engagement allows for accurate and repeatable linear motion, making rack and pinion systems suitable for applications that require precise positioning and movement control.
  • Direct Mechanical Linkage: Rack and pinion systems offer a direct mechanical linkage between the rotating pinion gear and the linearly moving rack. This direct linkage ensures a one-to-one correspondence between the rotational motion of the pinion gear and the linear motion of the rack. The absence of intermediate linkages or mechanisms reduces the chances of mechanical play or lost motion, contributing to the overall precision of the system.
  • Low Backlash: Backlash refers to the amount of clearance or play between mating teeth in a gear system. Rack and pinion systems can be designed to have low backlash, which is crucial for precise motion control. The minimal backlash in rack and pinion systems allows for accurate and immediate response to changes in input, ensuring precise positioning and minimizing errors in motion control applications.
  • High Repeatability: Rack and pinion systems offer high repeatability in motion control. Once the gear teeth are engaged, the linear motion of the rack follows the rotational motion of the pinion gear consistently. This repeatability allows for precise and consistent positioning of the rack, making rack and pinion systems suitable for tasks that require repeated and accurate movements.
  • Efficient Power Transmission: Rack and pinion systems provide efficient power transmission from the rotating pinion gear to the linearly moving rack. The direct mechanical linkage and the close meshing of teeth minimize energy losses, ensuring that a significant portion of the input power is efficiently converted into linear motion. This efficiency is beneficial in applications where energy conservation is important.
  • Fast Response: Rack and pinion systems offer fast response in motion control. The teeth on the rack and pinion gears allow for rapid acceleration and deceleration, enabling quick and responsive movements. This fast response time is valuable in applications that require dynamic motion control or rapid changes in position.
  • Compact Design: Rack and pinion systems have a compact design, which is advantageous in applications with limited space. The linear nature of the rack allows for efficient packaging, making rack and pinion systems suitable for compact machinery and equipment.

Overall, rack and pinion systems provide high precision, low backlash, efficient power transmission, and fast response, making them well-suited for applications that require precise motion control. These advantages make rack and pinion systems popular in industries such as automotive, robotics, machinery, automation, and more.

China OEM High Quality Spur Straight Gear Rack and Pinion with Great qualityChina OEM High Quality Spur Straight Gear Rack and Pinion with Great quality
editor by Dream 2024-04-25

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Rack and Pinion

As one of the rack and pinion manufacturers, suppliers, and exporters of mechanical products, We offer rack and pinion and many other products.

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