Product Description
GLR Series Single Nut Ball Screw with Metric Thread (C5/Ct7/Ct10)
| 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 GLR series(single nut ball screw with metric thread)are based on C5,Ct7 and Ct10(JIS B 1192-3). According to accuracy grade, Axial play 0.005(Preload :C5),0.02(Ct7) and 0.05mm or less(Ct10).
Material & Surface Hardness
GLR series (single nut ball screw with metric thread)of screw shaft screw material S55C (induction hardening), nut material SCM415H (carburizing and hardening), the surface hardness of the ball screw part is HRC58 or higher.
Shaft End Shape
The shaft end shape of the GLR series (single nut ball screw with metric thread) has been 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 |
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| Screw Diameter: | 14mm |
| Flange: | With Flange |
| Nut Number: | Single |
| Rows Number: | 4-Row |
| Nut Type: | Single Nut Ball Screw with Metric Thread |
| Customization: |
Available
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What are the limitations of using worm screws in mechanical designs?
While worm screws offer several advantages in mechanical designs, they also have some limitations that should be considered. Here are the key limitations of using worm screws:
- Lower Mechanical Efficiency: Worm screw mechanisms tend to have lower mechanical efficiency compared to other gear systems. This is primarily due to the sliding contact between the worm screw threads and the worm wheel teeth, which results in higher friction and energy losses. The lower mechanical efficiency can lead to heat generation, reduced power transmission, and decreased overall system efficiency. It’s important to consider the trade-off between the desired gear reduction and the mechanical efficiency requirements of the specific application.
- Limited High-Speed Applications: Worm screws are not well-suited for high-speed applications. The sliding contact and meshing action between the threads and teeth can generate heat and cause wear at high rotational speeds. Additionally, the higher friction and lower mechanical efficiency mentioned earlier can limit the maximum achievable speed of the system. If high-speed operation is a requirement, alternative gear systems, such as spur gears or helical gears, may be more suitable.
- Backlash: Worm screw mechanisms can exhibit a certain amount of backlash, which is the lost motion or clearance between the threads and teeth when changing direction. Backlash can negatively impact precision and positioning accuracy in applications that require tight tolerances. It’s important to consider backlash and implement measures to minimize its effects, such as using anti-backlash mechanisms or incorporating backlash compensation techniques.
- Material Selection: The choice of materials for worm screws is crucial to ensure their durability and performance. Worm screws typically require harder materials to withstand the sliding contact and high contact pressures between the threads and teeth. The selection of suitable materials may increase the manufacturing complexity and cost of the worm screw assembly. Additionally, the choice of materials should consider factors such as compatibility, wear resistance, and the specific operating conditions of the application.
- Load Distribution: In worm screw mechanisms, the load is distributed over a limited number of teeth on the worm wheel. This concentrated load distribution can result in higher stresses and wear on the contacting surfaces. It’s important to consider the load capacity and contact area of the worm wheel teeth to ensure that the assembly can handle the anticipated loads without premature failure or excessive wear.
- Required Lubrication: Proper lubrication is crucial for the smooth operation and longevity of worm screw mechanisms. Lubrication helps reduce friction, wear, and heat generation between the contacting surfaces. However, the need for lubrication adds complexity to the design and maintenance of the system. It requires regular monitoring of lubricant levels and periodic lubricant replenishment or replacement. Failure to maintain proper lubrication can result in increased friction, wear, and potential system failure.
Despite these limitations, worm screws continue to be widely used in various mechanical designs due to their unique characteristics and advantages. It’s essential to carefully evaluate the specific requirements and constraints of the application and consider alternative gear systems if the limitations of worm screws pose significant challenges to the desired performance and efficiency.
How do environmental factors affect the lifespan and performance of worm screws?
Environmental factors can have a significant impact on the lifespan and performance of worm screws. Here are some ways in which different environmental conditions can affect worm screw operation:
- Temperature: Extreme temperatures can affect the material properties of worm screws. High temperatures can cause thermal expansion, leading to increased clearances and reduced efficiency. It can also accelerate wear and degradation of lubricants, leading to increased friction and potential damage. Conversely, extremely low temperatures can make lubricants less effective and increase the risk of brittle fracture or reduced flexibility in materials.
- Humidity and Moisture: Exposure to high humidity or moisture can lead to corrosion and rusting of worm screws, especially when they are made of materials that are not resistant to moisture. Corrosion can cause surface pitting, reduced strength, and accelerated wear, ultimately compromising the performance and lifespan of the worm screw.
- Dust and Contaminants: Dust, dirt, and other contaminants present in the environment can enter the worm gear system and cause abrasive wear on the worm screw. These particles can act as abrasives, accelerating the wear of the contacting surfaces and potentially leading to premature failure or reduced performance. Regular cleaning and maintenance are essential to mitigate the effects of dust and contaminants.
- Chemical Exposure: Exposure to chemicals, such as acids, solvents, or corrosive substances, can have a detrimental effect on worm screws. Chemicals can corrode the surfaces, degrade lubricants, and affect the material properties, leading to reduced lifespan and compromised performance. Choosing materials and coatings that are resistant to specific chemicals present in the environment is crucial for long-term performance.
- Load and Overloading: Environmental conditions, such as heavy loads or overloading, can significantly impact the lifespan and performance of worm screws. Excessive loads can lead to increased stress levels, deformation, and accelerated wear on the worm screw. It is important to operate worm gear systems within their specified load capacities and avoid overloading to ensure optimal performance and longevity.
- Operating Speed: The operating speed of the worm screw can also be influenced by environmental factors. High-speed applications may generate more heat due to friction, necessitating effective cooling mechanisms. On the other hand, low-speed applications may exhibit reduced lubrication effectiveness, requiring specific lubricants or maintenance practices to ensure proper lubrication and prevent excessive wear.
To mitigate the effects of environmental factors, proper maintenance, regular inspection, and suitable protective measures are essential. This includes using appropriate lubricants, implementing effective sealing mechanisms, applying protective coatings, and considering environmental factors during the design and material selection process. By considering and addressing environmental factors, the lifespan and performance of worm screws can be optimized, ensuring reliable operation in various operating conditions.
How does a worm screw mechanism work?
A worm screw mechanism, also known as a worm gear mechanism, is a type of power transmission system that consists of a worm screw and a worm wheel. It is designed to transmit motion and power between non-parallel shafts. The mechanism works based on the interaction between the helical threads of the worm screw and the teeth of the worm wheel. Here’s a detailed explanation of how a worm screw mechanism works:
- Structure: The worm screw is a cylindrical shaft with a helical thread wrapped around it, resembling a screw. The worm wheel, also known as a worm gear, is a gear with teeth that mesh with the threads of the worm screw. The orientation of the worm screw and the worm wheel is such that the axes of rotation are perpendicular to each other.
- Motion Transmission: When the worm screw is rotated, its helical threads engage with the teeth of the worm wheel. As the worm screw rotates, it drives the worm wheel to rotate as well. The helical shape of the worm screw and the teeth of the worm wheel allow for motion transmission perpendicular to the axis of the worm screw.
- Gear Reduction: One of the key characteristics of a worm screw mechanism is its ability to provide a significant gear reduction. The helical threads of the worm screw and the meshing teeth of the worm wheel create a high reduction ratio in a single gear stage. This means that a small rotation of the worm screw can result in a substantial rotation of the worm wheel. The gear reduction enables the worm screw mechanism to generate high torque output at the worm wheel.
- Self-Locking: A notable feature of the worm screw mechanism is its self-locking property. Due to the helical shape of the threads, the worm screw has a wedging effect on the worm wheel. This means that the worm wheel cannot easily rotate the worm screw. Instead, the worm screw tends to hold its position without the need for additional braking mechanisms. The self-locking feature makes the worm screw mechanism suitable for applications that require holding loads in a fixed position.
- Efficiency and Backlash: The efficiency of a worm screw mechanism can vary depending on factors such as the materials used, lubrication, and design parameters. However, compared to other gear systems, worm screw mechanisms tend to have lower efficiency due to inherent friction between the threads and teeth. Additionally, worm screw mechanisms may exhibit a certain amount of backlash, which refers to the slight play or clearance between the threads and teeth. Backlash can affect precision and introduce a small amount of lost motion in the system.
- Applications: Worm screw mechanisms find applications in various industries and machinery where motion transmission at right angles and high gear reduction ratios are required. Common applications include conveyor systems, lifting mechanisms, winches, automotive steering systems, robotics, and machine tools.
The worm screw mechanism offers a unique combination of motion transmission, gear reduction, and self-locking capabilities, making it suitable for specific applications where precise control, high torque output, and the ability to hold loads are essential.
editor by Dream 2024-04-24