Product Description
Galvanized Fastener Knurled Thumb Screws Non-Standard Slotted Thread Shaft Lead Screw
Product Description
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Quotation |
According to your drawing(size, material,and required technology, etc) |
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ToleranceSurface Roughness |
+/-0.005 – 0.01mm(Custonize avaiable)Ra0.2 – Ra3.2(Custonize avaiable) |
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Materials Avaiable |
Such as aluminum, copper, stainless steel, iron, PE, PVC, ABS, etc. |
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Surface Treatment |
Polishing, general/hard oxidation/oxidation, surface chamfering, tempering, , etc. |
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Processing |
CNC Turning, Milling, drilling, auto lathe, tapping, bushing, surface treatment, etc. |
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Testing Equipment |
CMM/Tool microscope/multi-joint arm/Automatic height gauge/Manual height gauge/Dial gauge/Roughness measurement |
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Drawing Formats |
PRO/E, Auto CAD, CHINAMFG Works , UG, CAD / CAM / CAE, PDF |
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Our Advantages |
1.) 24 hours online service & Quickly Quote/Delivery. 2.) 100% QC quality inspection before delivery, can provide quality inspection form. |
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| Product name | Custom Cup Head Socket Shoulder Screw |
| Available Material | Carbon steel,alloy steel,stainless steel,brass,aluminium |
| Industrial process | Colding heading,cnc machining ,thread rolling ,cnc lathe,cnc grinding ,wire cuts ects |
| Heat treatment | Tempering,Hardening,Spheroidizing,Stress Relieving |
| Surface | Black oxide oxide,Zinc,clear,nature,ni-plated,tin-plated,chrome plated,passivated,sandblast and anodize, |
| Tolerance | As your requirement. |
| Application | Auto,building ,agriculture, home appliances,solar,furniture,mold,valve ects |
| Inspection | QC+inspection equipment |
| Drawing Format | Pdf/JPEG/Ai/Psd/CAD/Dwg/Step/Igs/solidwork |
| Delivery | Usually 15-30 days |
| Grade | 4.8,5.6,6.8, 8.8, 10.9, 12.9, A2-70, A480 ects |
Inspections:
3D instruments, 2D instruments, Projectors, Height Gauges, Inner diameter dial indicators, Dial gaues,
Thread and Pin gauges, Digital calipers,Micro calipers, Thickness testers, Hardness testers Roughness
testers, etc.( Detection accuracy to 0.001 millimetre )
Packing:
1: Shrink film+ bulk loading
2: Shrink film +Carton box + Pallet/ wooden case
3: PP + Wooden case
4: As per customers’ requirements or negotiated
1. High skilled and well-trained working team under good management environment;
2. Quick response and support for any inquiries;
3. Over 10 years professional manufacture experience to ensure high quality of your products;
4. Large and strong production capacity to meet your demand;
5. High Quality standard and hygienic environment;
6. We have very strict quality control process:
a. In coming Quality control (IQC) – All incoming raw material are checked before used.
b. In process quality control (IPQC) – Perform inspections during the manufacturing process.
c. Final quality control (FQC) – All finished goods are inspected according to our quality
standard for each products.
d. Outgoing Quality Control (OQC) – Our QC team will 100% full inspection before it goes
out for shipment.
7. Good after sales services.
Q: Why choose CHINAMFG product?
A: We CHINAMFG have our own plant– HangZhou CHINAMFG machinery Co., Ltd, therefore, we can surely
promise the quality of every product and provide you comparable price.
Q: Do you provide OEM Service?
A: Yes, we provide OEM Service.
Q: Do you provide customized forging products?
A: Yes. Customers give us drawings and specifications, and we will manufact accordingly.
Q: What is your payment term?
A: We provide kinds of payment terms such as L/C, T/T, Paypal, Escrow, etc.
Quality First, Price Best, Service Foremost!
We assure you of our best services at all times!
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| Material: | Stainless Steel |
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| Type: | Round Head |
| Groove: | Flower |
| 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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Can you provide examples of products or machinery that use lead screws for precise positioning?
Lead screws are widely utilized in various products and machinery that require precise positioning. Here are some examples of products and machinery that commonly use lead screws for precise positioning:
- CNC Machines: Computer numerical control (CNC) machines, including CNC mills, lathes, and routers, use lead screws to precisely position the cutting tools or workpieces. Lead screws enable accurate and repeatable movement in the linear motion systems of these machines, allowing for precise machining operations.
- 3D Printers: Lead screws are extensively used in 3D printers to control the movement of the print head or build platform. They enable precise positioning of the print head, ensuring accurate layer-by-layer deposition of the printing material, resulting in high-quality 3D prints.
- Robotics: Lead screws are integral to robotic systems that require precise positioning. They are used in robotic arms to control the movement and positioning of the end effectors or grippers. Lead screws provide accurate and controlled linear motion in robot joints, allowing for precise and coordinated movements in industrial, medical, and research robotics.
- Medical Imaging Systems: Lead screws are employed in medical imaging systems, such as computed tomography (CT) scanners and magnetic resonance imaging (MRI) machines, to precisely position the patient bed or gantry. This precise positioning is crucial for accurate imaging and diagnosis.
- Laboratory Automation Equipment: Lead screws are used in laboratory automation equipment, such as liquid handling robots and sample handling systems, for precise positioning and movement of samples, reagents, and labware. They ensure accurate and repeatable positioning required for various laboratory processes.
- Semiconductor Manufacturing Equipment: Lead screws are utilized in semiconductor manufacturing equipment, including wafer handling systems and lithography machines. They provide precise positioning and movement of wafers, masks, and other components critical for semiconductor fabrication processes.
- Camera Sliders: Lead screws are employed in camera sliders used in photography and videography applications. They enable smooth and precise linear motion of the camera along the slider, allowing for controlled tracking shots and precise camera positioning.
- Telescopes and Astronomy Equipment: Lead screws are utilized in telescopes and other astronomy equipment to precisely position optical components and achieve accurate tracking of celestial objects. They enable fine adjustments and precise pointing of telescopes for astronomical observations.
- Industrial Inspection Systems: Lead screws are used in industrial inspection systems, such as coordinate measuring machines (CMMs) and optical inspection systems, for precise movement and positioning of the inspection probes or cameras. This ensures accurate measurement and inspection of manufactured components.
These are just a few examples of the products and machinery that utilize lead screws for precise positioning. The versatility, accuracy, and reliability of lead screws make them a preferred choice in applications that require controlled linear motion and precise positioning of components.
Can you provide insights into the importance of proper lead screw installation and alignment?
Proper lead screw installation and alignment are crucial for ensuring the optimal performance, longevity, and reliability of lead screw systems. The installation and alignment process directly affects the system’s accuracy, efficiency, and overall functionality. Here are some key insights into the importance of proper lead screw installation and alignment:
- Accuracy and Precision: Proper installation and alignment are essential for achieving accurate and precise linear motion. Misalignment or incorrect installation can introduce angular errors, axial misalignment, or parallelism issues, leading to positioning errors and reduced system accuracy. By following the manufacturer’s guidelines and using appropriate alignment tools, the lead screw can be installed in a way that minimizes misalignment and ensures precise movement and positioning.
- Load Distribution: Correct alignment during installation helps distribute the load evenly along the length of the lead screw. Proper alignment ensures that the load is shared uniformly between the screw and the nut, preventing excessive stress on specific areas. Improved load distribution reduces the risk of premature wear, deformation, or failure of the lead screw and enhances the overall durability and load-carrying capacity of the system.
- Backlash and Efficiency: Proper installation and alignment contribute to minimizing backlash in lead screw systems. Backlash, which refers to the clearance between the screw and nut, can negatively impact system performance, precision, and efficiency. Misalignment can exacerbate backlash issues, resulting in reduced repeatability and accuracy. By aligning the lead screw correctly, the backlash can be minimized, improving system efficiency and eliminating potential sources of error.
- Reduced Friction and Wear: Accurate installation and alignment help reduce friction and wear between the lead screw and nut. Misalignment can cause the screw and nut to rub against each other unevenly, leading to increased friction, accelerated wear, and reduced system lifespan. Proper alignment ensures that the mating surfaces are in optimal contact, minimizing friction and wear, and improving the overall efficiency and longevity of the lead screw system.
- System Stability and Vibration: Proper installation and alignment contribute to system stability and reduced vibration. Misalignment can introduce vibrations, resonances, or oscillations in the lead screw system, affecting the overall performance and potentially causing excessive noise or system instability. By aligning the lead screw correctly, the system’s natural frequencies can be maintained within acceptable limits, improving stability, reducing vibrations, and enhancing the system’s overall operation.
- Maintenance and Service: Proper installation and alignment simplify maintenance and service procedures. When lead screws are installed and aligned accurately, routine maintenance tasks such as lubrication, inspection, or component replacement can be performed more efficiently. Access to critical components is improved, and troubleshooting potential issues becomes easier, reducing downtime and enhancing the overall serviceability of the lead screw system.
In conclusion, proper lead screw installation and alignment are of utmost importance for achieving optimal performance, accuracy, efficiency, and durability of lead screw systems. Accurate alignment minimizes positioning errors, improves load distribution, reduces backlash and friction, enhances system stability, and simplifies maintenance procedures. By following manufacturer guidelines and utilizing appropriate alignment techniques, the benefits of proper installation and alignment can be realized, ensuring the long-term reliability and performance of lead screw systems.
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 2024-03-25
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