Product Description
GT Series of Step Type Precision Cold Rolling Ball Screw(C5/Ct7)
| Table of Shaft dia. and Lead combination for Rolled Ball Screw | ||||||||||||||||
| Lead (mm) | ||||||||||||||||
| 0.5 | 1 | 1.5 | 2 | 2.5 | 3 | 4 | 5 | 6 | 8 | 10 | 12 | 15 | 20 | 30 | ||
| Shaft dia (mm) | 4 | / | / | |||||||||||||
| 5 | / | |||||||||||||||
| 6 | / | / | / | / | ||||||||||||
| 8 | / | / | / | / | / | / | / | |||||||||
| 10 | / | / | / | / | / | / | / | / | / | |||||||
| 12 | / | / | ||||||||||||||
| 13 | / | / | / | |||||||||||||
| 14 | / | / | ||||||||||||||
| 15 | / | / | / | |||||||||||||
| 16 | ||||||||||||||||
Accuracy Class & Axial Clearance
Accuracy grade of GT series(stepped precision cold rolled ball screw) are based on C5 and Ct7(JIS B 1192-3).
According to accuracy grade, Axial play 0.005(Preload :C5) and 0.02mm or less(Ct7).
Material & Surface Hardness
GT series(precision cold rolling ball screw)screw shaft screw material S55C(high frequency quenching),nut material scm415h(carburizing quenching),the surface hardness of the ball screw part is above hrc58.
Shaft End Shape
The shaft end shape of GT series (precision cold rolling ball screw)is standardized.
Application:
1. Medical industry
2.Lithium battery industry
3.Solar photovoltaic industry
4. Semi conductor Industry
5. General industry machinery
6. Machine tool
7. Parking system
8. High-speed rail and aviation transportation equipment
9. 3C industry etc
Technical Drawing
Specification List
FACTORY DETAILED PROCESSING PHOTOS
HIGH QUALITY CONTROL SYSTEM
FAQ
1. Why choose CHINAMFG China?
Over the past 14 years, CHINAMFG has always insisted that “products and services” start from Japanese industry standards,taking ZheJiang standards as the bottom line, actively invest in the development of new transmission components and self-experiment and test. With the service tenet of “exceeding customer expectations”, establish a “trusted” partnership.
2. What is your main products ?
We are a leading manufacturer and distributor of linear motion components in China. Especially miniature size of Ball Screws and Linear Actuators and linear motion guideways. Our brand “KGG” stands for ” Know-how,” ” Great Quality,” and ” Good value” and our factory is located in the most advanced city in China: ZheJiang with the best equipment and sophisticated technology, completely strict quality control system. Our aim is to supply world leader class linear motion components but with most reasonable price in the world.
3. How to Custom-made (OEM/ODM)?
If you have a product drawing or a sample, please send to us, and we can custom-made the as your required. We will also provide our professional advices of the products to make the design to be more realized & maximize the performance.
4. When can I get the quotation?
We usually quote within 24 hours after we get your inquiry. If you are very urgent to get the price,please call us or tell us in your email so that we will regard your inquiry priority.
5. How can I get a sample to check the quality?
After confirmation of our quoted price, you can place the sample order. The sample will be started after you CHINAMFG back our detailed technical file.
6. What’s your payment terms?
Our payment terms is 30% deposit,balance 70% before shipment. /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Precision: | C5/C7 |
|---|---|
| Screw Diameter: | 4mm |
| Flange: | With Flange |
| Nut Number: | Single |
| Rows Number: | 3-Row |
| Nut Type: | Circulator |
| Customization: |
Available
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How do lead screws contribute to the efficiency and accuracy of linear motion systems?
Lead screws play a crucial role in enhancing the efficiency and accuracy of linear motion systems. Here’s how they contribute to these aspects:
Efficiency:
Lead screws can contribute to the efficiency of linear motion systems in the following ways:
- Mechanical Efficiency: Lead screws can achieve high mechanical efficiency in converting rotary motion into linear motion. The efficiency depends on factors such as the thread design, lubrication, and preload. When properly designed and lubricated, lead screws can operate with minimal friction and energy loss, ensuring efficient power transmission. This efficiency allows for effective utilization of the input power and reduces energy consumption.
- Self-Locking Capability: Lead screws have a self-locking characteristic, which means they can hold their position without the need for additional locking mechanisms. The friction between the mating threads helps prevent back-driving and maintains the position of the load. This self-locking property eliminates the need for continuous power input to hold the position, improving overall efficiency.
- No Energy Consumption at Rest: When the lead screw is not in motion, it does not consume any energy. This is advantageous in applications where the load needs to be held in position for extended periods. The self-locking feature of lead screws ensures that the load remains stationary without energy input, contributing to energy efficiency.
Accuracy:
Lead screws contribute to the accuracy of linear motion systems in the following ways:
- Precise Positioning: Lead screws allow for precise positioning of components or loads. The thread pitch and design, combined with the rotational input, enable accurate and controlled linear movement. This precision is crucial in applications that require accurate alignment, spacing, or adjustment of components.
- Repeatability: Lead screws provide excellent repeatability in linear motion. Once a position is established, lead screws can reliably return to the same position repeatedly. This repeatability is critical in applications where consistent and repeatable motion is required, such as in CNC machines or automated systems.
- Low Backlash: Backlash refers to the axial movement or play between the screw and nut when changing direction. Lead screws can be designed to minimize backlash, resulting in more accurate positioning and reduced lost motion. Low backlash is particularly important in applications that demand precise positioning, such as machining operations or optical systems.
- Elimination of Drift: Lead screws help eliminate drift or movement over time. Once a position is set, the self-locking property of lead screws ensures that the load remains stationary without any gradual drift or positional changes. This stability is beneficial in applications where maintaining a fixed position is critical, such as in inspection systems or medical equipment.
Overall, lead screws provide efficient power transmission, self-locking capability, precise positioning, repeatability, and low backlash, all of which contribute to the efficiency and accuracy of linear motion systems. These characteristics make lead screws suitable for a wide range of applications where controlled and reliable linear motion is required.
How does the choice of lead screws affect the overall performance and reliability of linear motion systems?
The choice of lead screws has a significant impact on the overall performance and reliability of linear motion systems. Different types of lead screws offer distinct characteristics and capabilities that influence factors such as accuracy, load capacity, speed, efficiency, backlash, and durability. Here are some key ways in which the choice of lead screws affects the performance and reliability of linear motion systems:
- Accuracy and Precision: The selection of an appropriate lead screw type can directly impact the accuracy and precision of linear motion systems. Lead screws with fine thread pitches or multiple starts provide higher resolution and finer positioning capabilities, resulting in improved accuracy. Choosing a lead screw with low backlash and minimal axial play helps maintain precise motion control and repeatability.
- Load Capacity: Different lead screw designs have varying load-carrying capacities. Factors such as the diameter, pitch, material, and thread type influence the ability of a lead screw to handle axial loads. Selecting a lead screw with sufficient load capacity ensures the system can handle the required loads without compromising performance or risking premature failure.
- Speed and Efficiency: Lead screw selection affects the speed and efficiency of linear motion systems. Coarser thread pitches enable faster linear speeds, making them suitable for applications that require rapid movement. However, finer thread pitches offer increased mechanical advantage and torque conversion efficiency, making them preferable for systems requiring higher force output.
- Backlash and Repeatability: Backlash, the clearance between the lead screw and nut, can impact the accuracy and repeatability of linear motion systems. The choice of lead screw influences the amount of backlash present. Lead screws with low backlash or anti-backlash mechanisms minimize positioning errors and ensure consistent repeatability, enhancing system performance and reliability.
- Lubrication and Maintenance: Different lead screw materials and designs require specific lubrication and maintenance practices to ensure optimal performance and longevity. Some lead screws may require periodic lubrication, while others may be self-lubricating or require minimal maintenance. Choosing a lead screw that aligns with the maintenance capabilities and requirements of the system simplifies upkeep and reduces the risk of premature wear or failure.
- Environmental Considerations: The choice of lead screws should also take into account the environmental conditions in which the linear motion system will operate. Factors such as temperature, humidity, exposure to contaminants, or corrosive agents can impact the performance and reliability of lead screws. Selecting lead screws with appropriate materials, surface treatments, or protective coatings ensures compatibility with the intended operating environment.
It is crucial to carefully assess the specific requirements of the linear motion system and consider factors such as load capacity, accuracy, speed, backlash, maintenance, and environmental conditions when choosing a lead screw. Consulting with manufacturers, engineers, or industry experts can provide valuable insights and guidance to select the most suitable lead screw for achieving optimal performance, reliability, and longevity in a given application.
Can you explain the role of a lead screw in converting rotary motion to linear motion?
A lead screw plays a crucial role in converting rotary motion into linear motion in mechanical systems. It achieves this by utilizing the helical threads on the screw and the corresponding threads on the nut. Here’s a detailed explanation of how a lead screw accomplishes the conversion:
- Helical Thread Design: A lead screw is designed with a helical thread that wraps around its cylindrical shaft. The thread is typically a continuous spiral groove with a specific pitch, which is the distance between adjacent threads. The pitch determines the linear distance the nut will travel when the lead screw makes one complete revolution.
- Matching Threaded Nut: The lead screw is paired with a nut that has threads matching those on the screw. The nut is typically fixed in place while the lead screw rotates. The nut contains internal threads that engage with the external threads of the lead screw.
- Rotary Motion: When the lead screw is rotated, either manually or by a motor-driven mechanism, the helical threads on the screw cause the nut to move linearly along the length of the screw. The direction and magnitude of the linear motion depend on the direction and speed of the screw’s rotation.
- Linear Motion: As the lead screw rotates, the engaged threads between the screw and the nut create a force that translates the rotational motion into linear motion. The helical threads on the screw push against the matching threads in the nut, causing the nut to move along the length of the screw. This results in linear displacement of the nut and any attached components.
- Precision and Control: The pitch of the lead screw determines the linear distance traveled by the nut for each revolution of the screw. By controlling the rotational motion of the lead screw, precise and controlled linear movement can be achieved. This makes lead screws suitable for applications that require accurate positioning or adjustment of components.
- Load Capacity: Lead screws can handle both axial loads (tension or compression forces) and torque. The helical threads distribute the load over a larger surface area, allowing the lead screw to support and transfer significant loads. By incorporating thrust bearings or other supporting elements, the lead screw can handle high loads while maintaining smooth and controlled linear motion.
Overall, the lead screw’s role in converting rotary motion to linear motion relies on the interaction between the helical threads of the lead screw and the matching threads of the nut. This mechanism provides a reliable and precise means to translate rotational motion into linear displacement, making lead screws a valuable component in various mechanical systems and applications.
editor by CX 2024-03-27