Product Description
Cheap Price Lead screw SFU1604 for stepper motor and CNC ball spindle
Product Description
Specification:
|
Product Name |
Ball Screw |
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Material |
Bearing steel, Gcr15 |
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Precision |
C7,C5 |
|
Width |
12mm-60mm |
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Length |
100mm-4000mm |
|
Advantage |
High precision, high speed, long life, high reliability, low noise |
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Packing |
wooden box or according to customers’ demands |
Packaging & Shipping
Packaging Details:
1)Sample order packing by paper carton for saving freight charge;
2)bulk order sent by sea will be packed by film and wooden carton.
3) as customer’s requirements.
Company Profile
Company Information:
ZheJiang Sair Mechanical Xihu (West Lake) Dis. Co., Ltd is located at Xihu (West Lake) Dis. industrial zone Xihu (West Lake) Dis. County which is the beautiful Xihu (West Lake) Dis.
Water City and the famous painting and calligraphy village.The south is national road 308, the west is the national highway 105,
the north is HangZhou-HangZhou highway, so the position is very superior. It is 1 of the biggest linear manufacturers in China.
Certifications
FAQ
1. Q: How about the quality of your product?
A: 100% inspection during production.
Our products are certified to ISO9001-2008 international quality standards.
2. Q: What’s the delivery time?
A: For custom order, within 2000 meters,
Production time is 15days after confirmed every details.
3. Q: What’s your packing?
A: Our Normal packing is bulking in PE bag, and then into plywood Cartons.
We also can pack products according to your requirement.
4. Q: What about the warranty?
A: We are very confident in our products,
and we pack them very well to make sure the goods in well protection.
5.Q: Could you send me your catalogue and price list?
A: As we have more than hundreds of products,
it is really too hard to send all of catalogue and price list for you.
Please inform us the style you interested, we can offer the pricelist for your reference.
6.Q:There are a lot of companies which export bearings, why do you choose us?
A: As we are a genuine linear guide supplier since 2011.and we are really factory, you need not pay the profit for middlemen.
so we can offer you the lowest and competitive price .
Thanks for your valuable time !
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| Precision: | C7 |
|---|---|
| Screw Diameter: | 12mm-60mm |
| Flange: | With Flange |
| Samples: |
US$ 15/Piece
1 Piece(Min.Order) | Order Sample |
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| Customization: |
Available
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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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.
Can you explain the impact of lead screws on the overall durability of mechanical systems?
Lead screws have a significant impact on the overall durability of mechanical systems. As essential components in many machines and mechanisms, lead screws play a crucial role in providing precise linear motion and transferring loads. Their design, quality, and maintenance directly influence the durability and reliability of the systems they are incorporated into. Here are some key factors highlighting the impact of lead screws on overall durability:
- Load-Carrying Capacity: Lead screws are responsible for transmitting axial loads between the rotating screw and the nut. The design and material selection of the lead screw determine its load-carrying capacity. Inadequate design or material choice can lead to premature wear, deformation, or failure under heavy loads, compromising the overall durability of the mechanical system.
- Backlash and Precision: Backlash refers to the play or clearance between the screw and nut in a lead screw system. Excessive backlash can result in reduced precision, inaccuracies in positioning, and decreased overall performance. Lead screws with low backlash, such as ball screws, are often preferred in applications that require high precision and repeatability. Minimizing backlash through proper design and maintenance enhances the durability and performance of the system.
- Wear and Friction: Lead screws are subject to wear and friction during operation. Continuous contact between the screw and nut can result in surface damage and increased friction, leading to accelerated wear. Adequate lubrication, regular maintenance, and proper material selection can help minimize wear and friction, extending the lifespan of the lead screw and improving the durability of the mechanical system.
- Mechanical Efficiency: The efficiency of a lead screw system influences its durability. Inefficient systems generate more heat due to friction, which can cause thermal expansion, accelerated wear, and reduced lifespan. By selecting lead screw designs with high mechanical efficiency, such as ball screws or optimized thread profiles, the overall durability of the mechanical system can be improved.
- Environmental Considerations: Lead screws operating in different environments face varying challenges that can impact their durability. Factors such as temperature extremes, exposure to moisture, chemicals, or abrasive contaminants can accelerate wear, corrosion, or degradation of the lead screw. Proper material selection, protective coatings, sealing, and regular maintenance practices can mitigate the environmental impact and enhance the overall durability of the mechanical system.
- Maintenance and Service Life: Adequate maintenance practices, including cleaning, lubrication, inspection, and adjustment, are essential for preserving the durability of lead screws and the mechanical systems they are part of. Regular maintenance helps identify and address issues early, preventing further damage and extending the service life of the system.
In conclusion, lead screws have a significant impact on the overall durability of mechanical systems. Their load-carrying capacity, precision, wear characteristics, mechanical efficiency, environmental resistance, and proper maintenance practices all contribute to the durability, reliability, and performance of the system. By considering these factors and selecting suitable lead screw designs, materials, and maintenance strategies, the overall durability of mechanical systems can be significantly improved.
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.
editor by CX 2024-04-09