Product Description
Features
1. Available in sizes in Module1.5/2/3/4/5/6/7/8/9/10
2. Repeatability of up to ± 0.01mm
3. Powerful rack and pinion drives for reliable movements.
4. Extremely compact frame with high inherent stiffness
5. It is designed for high-temperature resistance, long service life.
6. Rigidness improved, Smaller size, Easy to maintain, Improve accuracy, Easy assemble, etc.
Operation
1. The operation conditions need to be within the rated values as shown in the technical information.
2. Avoid dust, debris, and any foreign objects from entering the rack and pinion return system.
3. The operational temperature should be under 80 ºC. In high-temperature environments above 80ºC.
4. If the product can be used in a special environment, such as vacuum, vibration,
clean room, corrosive chemicals, organic solvents, extremely high or low temperatures, humidity, liquid splashes,
oil drops or mist, high salt, heavy load, vertical or cantilever installations. Please Confirm first with TOCO.
5. For vertical installations, when loaded, there is a possibility that the slider may fall. We recommend adding
proper braking and ensure functionality before the operation.
Maintenance
1. Lubricate the product before the initial use. Note the type of grease used and avoid mixing different types together.
2. For normal operating conditions, it is recommended to check the operation every 100km, clean and supply grease CHINAMFG the rack and pinion.
| Brand | TOCO |
| Model | Rack and pinion |
| Size customize | Module1.5/2/3/4/5/6/7/8/9/10 |
| HS-CODE | 8483900090 |
| Items packing | Plastic bag+Cartons Or Wooden Packing |
| Payment terms | T/T, Western Union |
| Production lead time | 15 business days for sample, 35 days for the bulk |
| Keyword | Rack and pinion |
| Application | 1. Automatic controlling machine 2. Semi-conductor industry 3. General industry machinery 4. Medical equipment 5. Solar energy equipment 6. Machine tool 7. Parking system 8. High-speed rail and aviation transportation equipment, etc. |
Catalogs
TOCO Exhibition
ZheJiang brand registered trademark, High-Tech Enterprise, letter patents, and ISO.
Company information
TOCO Group is a professional manufacturer in linear motion components in China, mastering critical core technology, focusing on research and innovative design.It has a number of product design patents and with ISO9001 certification, who is named a national high-tech enterprise.At present, there are 2 major production factories with a total area of 13,000 square meters.Thanks to a strong technical and production team, CHINAMFG can quickly provide high-performance and high-quality transmission components for global customers, which has been widely recognized by domestic and foreign customers.
TOCO MOTION brand product line is complete, the main products are: Mono stage, linear module, linear guide, Ball screw, Support unit, Rack and Pinion.The products are widely used in: 1. Automation equipment 2. Display and semiconductor equipment 3. Woodworking equipment 4. Medical equipment 5. Photovoltaic and new energy equipment 6. Laser equipment 7. Machine tool equipment 8. Equipment in the fields of aerospace and rail transit, etc.
TOCO products are exported to more than a dozen countries and regions overseas.
FAQ
1. Service :
a. Help customer to choose correct model
b. Professional sales team, make your purchase smooth.
2.payment :
Sample order: We require 100% T/T in advance. sample express need request pay by clients
Bulk order: 30% T/T in advance, balance by T/T against copy of B/L.
T/T,Paypal, Western Union is acceptable.
3.Package & Shipping :
a.Package: Carton or wooden case.
b.Shipping: by express (DHL, TNT, FedEx, etc.) or by sea
4.Delievery :
sample: 5-10 business days after payment confirmed.
Bulk order :10-20 workdays after deposit received .
5. Guarantee time
TOCO provides 1 year quality guarantee for the products from your purchase date, except the artificial damage.
6.After sale-service
During warranty period, any quality problem of CHINAMFG product, once confirmed, we will send a new 1 to replace.
| Application: | Machinery, Laser Cutting Machines |
|---|---|
| Hardness: | Hardened Tooth Surface |
| Gear Position: | External Gear |
| Manufacturing Method: | Ground or Milled |
| Toothed Portion Shape: | Straight or Helical |
| Material: | S45c or Scm440 |
| Samples: |
US$ 100/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
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.
Can rack and pinion mechanisms be used for both rotary and linear motion?
Yes, rack and pinion mechanisms can be utilized to convert rotary motion into linear motion or vice versa. Here’s a detailed explanation of how rack and pinion mechanisms can be employed for both rotary and linear motion:
Rack and pinion systems consist of a gear called the pinion and a linear gear called the rack. The pinion is a small gear with teeth that mesh with the teeth of the rack, which is a straight, flat, or cylindrical bar with teeth along its length. Depending on the arrangement and application, rack and pinion mechanisms can serve two fundamental purposes:
- Rotary-to-Linear Motion: In this configuration, the rotary motion of the pinion gear is converted into linear motion along the rack. As the pinion rotates, its teeth engage with the teeth of the rack, causing the rack to move in a linear direction. By controlling the rotational motion of the pinion, the position, speed, and direction of the linear motion can be precisely controlled. This mechanism is commonly used in applications such as CNC machines, robotics, linear actuators, and steering systems in vehicles.
- Linear-to-Rotary Motion: In this configuration, the linear motion of the rack is converted into rotary motion of the pinion. As the rack moves linearly, it causes the pinion gear to rotate. This conversion of linear motion to rotary motion can be used to drive other components or systems. For example, a linear motion generated by an actuator can be transformed into rotational motion to drive a rotary mechanism or a rotary tool. This configuration is often employed in applications such as power steering systems, elevators, and machinery where linear input needs to be translated into rotary output.
Rack and pinion mechanisms offer several advantages for converting between rotary and linear motion. They provide a simple and efficient means of transmitting motion and force. The engagement of the teeth between the pinion and the rack ensures a positive and precise transfer of motion, resulting in accurate positioning and smooth operation. Additionally, rack and pinion systems can achieve high speeds and transmit substantial amounts of torque, making them suitable for a wide range of industrial applications.
It’s important to note that the design and implementation of rack and pinion systems for rotary-to-linear or linear-to-rotary motion require careful consideration of factors such as gear ratios, backlash, precision, load capacity, lubrication, and system alignment. Proper selection of materials, tooth profiles, and maintenance practices ensures optimal performance and longevity of the rack and pinion mechanism in various applications.
How does a rack and pinion compare to other mechanisms for linear motion?
When comparing a rack and pinion mechanism to other mechanisms for linear motion, several factors come into play. Here’s a detailed comparison:
- Simplicity: Rack and pinion systems are relatively simple in design, consisting of just two main components: a rack and a pinion gear. This simplicity makes them easier to manufacture, assemble, and maintain compared to more complex linear motion mechanisms.
- Precision: Rack and pinion systems offer high precision in linear motion control. The teeth on the rack and pinion gears mesh closely, minimizing backlash and allowing for accurate and repeatable motion. This precision is crucial in applications that require precise positioning and movement control.
- Efficiency: Rack and pinion systems are known for their efficiency in power transmission. The direct mechanical linkage between the rotating pinion gear and the linearly moving rack minimizes energy loss, resulting in efficient conversion of rotational motion to linear motion. This efficiency is particularly advantageous in applications where energy conservation is important.
- Load Capacity: Rack and pinion systems can handle a wide range of load capacities, depending on the design and materials used. The teeth on the rack and pinion gears distribute the load evenly, allowing for efficient transmission of force. However, in certain high-load applications, alternative mechanisms like linear actuators or ball screw systems may offer higher load-bearing capabilities.
- Speed: Rack and pinion systems can achieve high speeds in linear motion applications. The direct engagement between the teeth on the rack and pinion allows for rapid acceleration and deceleration, making them suitable for applications that require quick and responsive movements.
- Size and Space Requirements: Rack and pinion systems have a compact design, which is advantageous in applications where space is limited. The linear nature of the rack allows for efficient packaging, making them suitable for compact machinery and equipment.
- Cost: Rack and pinion systems are generally cost-effective compared to some alternative linear motion mechanisms. Their simple design and ease of manufacturing contribute to lower production costs, making them a cost-efficient choice in many applications.
In summary, rack and pinion systems offer simplicity, precision, efficiency, and high-speed capabilities in linear motion applications. While they may have certain limitations in terms of load capacity compared to other mechanisms, their overall advantages make them a popular choice in various industries, including automotive, robotics, machinery, and automation.
editor by CX 2023-10-27