China factory CHINAMFG Precision Auto Ground Ball Screw for Laser Cutting (GLM Series, Lead: 2mm, Shaft: 12mm)

Product Description

GLM Series Stepped Precision Ball Screw (C3/C5)
 

Accuracy class and axial clearance

Accuracy grade of GLM series(precision ball screw with single nut with metric thread) are based on C3 and C5(JIS B 1192-3). According to accuracy grade, Axial play 0(Preload :C3) and 0.005mm or less(C5).

Material & Surface Hardness

GLM series (precision ball screw with single nut 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.

Application:

1. Medical industry
2.Lithium battery industry
3.Solar photovoltaic industry
4. Semiconductor Industry
5. General industry machinery
6. Machine tool
7. Parking system
8. High-speed rail and aviation transportation equipment
9. 3C industry etc

Shaft End Shape

The shaft end shape of the GLM series (precision ball screws with single nut with metric thread) has been standardized.

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. /* May 10, 2571 16:49:51 */!function(){function d(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

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What factors should be considered when selecting lead screws for different mechanical applications?

When selecting lead screws for different mechanical applications, several factors need to be considered to ensure the optimal performance and suitability of the lead screw. Here are some key factors to consider:

• Load Requirements: Determine the maximum axial load and torque that the lead screw will need to support. Consider both static and dynamic loads, as well as any potential overload conditions. Ensure that the selected lead screw has the load-carrying capacity to handle the required loads without excessive deflection or failure.
• Precision and Accuracy: Evaluate the required positioning accuracy and repeatability for the application. Consider the lead screw’s thread pitch, lead error, and backlash characteristics. In applications that demand high precision, such as CNC machines or optical systems, choose lead screws with low backlash and high accuracy to minimize positioning errors.
• Speed and Efficiency: Determine the desired linear speed or travel rate for the application. Consider the lead screw’s thread design, lubrication requirements, and mechanical efficiency to ensure that the lead screw can operate at the required speed with minimal friction and energy loss.
• Environmental Conditions: Assess the operating environment for the lead screw. Consider factors such as temperature variations, humidity, dust, chemicals, and exposure to corrosive agents. Select lead screws with appropriate materials, coatings, and sealing mechanisms to withstand the environmental conditions and ensure long-term reliability.
• Space Constraints: Evaluate the available space for installing the lead screw. Consider the length and diameter of the lead screw, as well as any required support or mounting mechanisms. In tight spaces, stub Acme screws or compact designs may be more suitable.
• Speed and Duty Cycle: Determine the duty cycle of the application, including the frequency and duration of operation at different speeds. Consider the lead screw’s thermal characteristics, lubrication requirements, and the potential for heat generation at high speeds or prolonged operation. Choose lead screws that can handle the anticipated duty cycle without overheating or premature wear.
• Backlash Tolerance: Consider the permissible amount of backlash or play in the system. Backlash refers to the axial movement between the screw and nut when changing direction. Applications that require precise positioning or minimal lost motion, such as machine tools, may require lead screws with low backlash or anti-backlash mechanisms.
• Budget and Cost: Evaluate the budgetary constraints for the application. Consider the cost-effectiveness and value provided by different lead screw options. Compare factors such as initial cost, maintenance requirements, and expected lifespan to select a lead screw that offers the best balance of performance and cost.

By considering these factors, engineers and designers can make informed decisions when selecting lead screws for different mechanical applications. It is crucial to carefully assess the specific requirements of the application and consult with manufacturers or suppliers to ensure the chosen lead screw meets the application’s needs in terms of load capacity, precision, environmental compatibility, and overall performance.

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:

1. 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.
2. 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.
3. 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.
4. 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.
5. 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.
6. 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.

What is a lead screw, and how is it used in mechanical applications?

A lead screw is a type of threaded shaft used in mechanical applications to convert rotary motion into linear motion or vice versa. It consists of a screw with a helical thread and a matching nut with corresponding threads. The lead screw and nut are designed in such a way that when the screw is rotated, it moves the nut along its length, resulting in linear motion.

The primary purpose of a lead screw is to transmit motion and force between rotating and linearly translating components in a mechanical system. It offers precise control over linear movement and is commonly used in various applications, including but not limited to:

• Precision Positioning: Lead screws are widely used in applications that require precise positioning, such as CNC machines, 3D printers, and robotic systems. By coupling the lead screw to a motor or handwheel, the rotational motion can be translated into precise linear movement, allowing for accurate positioning of components or tools.
• Actuation and Adjustment: Lead screws are often utilized for actuation and adjustment mechanisms in equipment and machinery. They can be employed to raise or lower platforms, adjust the height of work surfaces, control the position of tool heads, or move components along a linear path. Lead screws provide a straightforward and reliable means of achieving controlled linear motion in these applications.
• Load Transfer: Lead screws can also serve as load-bearing elements in mechanical systems. They can transmit axial loads and handle tension or compression forces, making them suitable for applications that require smooth and controlled lifting or lowering of heavy loads. In such cases, the lead screw is often combined with thrust bearings or other supporting elements to handle the applied loads.
• Manual and Handwheel Operations: Lead screws are commonly used in manual and handwheel-operated systems. By incorporating a handle or handwheel, the user can rotate the lead screw directly, enabling manual adjustment or movement of components. This is frequently seen in applications like manual stage positioning, height adjustment mechanisms, or manual clamping systems.
• Power Transmission: In some cases, lead screws can be employed for power transmission purposes. While they are not as efficient as other transmission methods like gears or belts, lead screws can be used to transfer torque between rotating shafts and linearly translating components. This is often seen in applications where the primary focus is on converting rotational motion into linear motion rather than optimizing power transmission efficiency.

Lead screws come in various designs, including single-start and multi-start threads, different thread pitches, and varying lead screw and nut materials. The selection of a lead screw depends on the specific requirements of the application, such as load capacity, desired speed, precision, and environmental conditions. Factors like backlash, efficiency, and maintenance requirements should also be considered when choosing a lead screw for a particular mechanical application.

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editor by Dream 2024-10-28