Product Description
Triangle head Shrink bar Lead screw
Screws are generally called wood screws; is the tip of the kind of tip, pitch larger, generally used to tighten wood parts, plastic parts. Mechanical screws, is the front of the kind of screws, the pitch is small, uniform, generally used to fasten the metal, machine parts.Our products has high quality,and long life time.Our company has passed ISO9001, ISO9001 (CQC) certification, product quality assurance.
Screw application range
1> stainless steel plate, metal plate, galvanized steel plate, engineering installation.
2> metal curtain wall metal light compartment and other indoor and outdoor installation.
3> General angle steel, channel steel, iron plate and other metal materials combined installation.
4> car trunk, container box, shipbuilding, refrigeration equipment and other assembly works.
5> automobile engine, heavy machinery, garden machinery, petrochemical.
6> aerospace, energy, machinery, chemical, metallurgy, mold, hydraulic.
7> motorcycles, sports equipment, cars and many other industries.
8> electronics, electrical appliances, motors, lighting, communications, home appliances, furniture.
| Brand name | HangZhou | Model | CC-097 | Type | Machine screw |
| Head Type | Triangle head | Groove type | Triangle | Screw diametre | 8mm |
| Screw Length | 105mm | Application | Hand twist | Screw size | M5 |
| Thread tolerance | 6G | Nominal length | 110mm | Surface | Chrome |
| Material grade | Carbon steel 45H | Product grade | A | Standard type | Non-standard |
| Standard number | No | Customized | Yes | Product specificaiton | Non-standard |
| Material | Heat treatment |
Shipping and packaging
Via Ocean shipping
North America, South America about 40 working days
Eastern Europe about 30-40 working days
Southeast Asia about 20-30working days
Africa about 35-45 working days
India, Pakistan about 40 working days
Korea, Japan about 40 working days
Air transport
Other places around 1-3 business days
Packaging: boxes, cartons or plastic bags, or according to customer needs.
Sample service
If you need sample,you need pay the freight.
Our factory
GB/T 65-2000
GB/T 67-2000
GB/T 68-2000
GB/T 69-2000
GB/T 70.1-200
GB/T 70.2-2000
GB/T 70.3-2000
GB 71-85
GB-72-88
GB-73-85
GB-74-85
GB-75-85
GB/T 77-2000
GB/T 78-2000
GB/T 79-2000
GB/T 80-2000
GB 83-88
GB 84-88
GB 85-88
GB 86-88
GB/T 818-2000
GB 838-88
GB 839-88
GB 840-88
GB 946-88
GB 947-88
GB 948-88
GB 949-88
GB 2672-86
GB 2673-86
GB 2674-86
GB 5281-86
GB/T 820-2000
GB/T 821-88
GB/T 822-2000
GB 823-88
GB 825-88
GB 828-88
GB 829-88
GB 830-88
GB 831-88
GB 832-88
GB 833-88
GB 834-88
GB 835-88
GB 836-88
GB 13-88
GB 14-1998
GB 15-88
GB 29.2-88
GB 35-88
GB 37-88
GB /T794-93
GB 798-88
GB 799-88
GB 800-88
DIN 125-A GB 971-85
DIN 125-B GB97.2-85
DIN127-A GB7244
DIN 127-B GB93-87
DIN 912 GB70-85
DIN933 GB-5783-86
DIN931 GB5782-86
DIN934 GB6170-86 /* 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(/(.*?):(.*)$/))&&1
| Material: | Stainless Steel |
|---|---|
| Type: | Round Head |
| Groove: | Triangle |
| Connection: | Hinged Bolts |
| Head Style: | Round |
| Standard: | DIN, GB, ANSI, JIS |
| Samples: |
US$ 10/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
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What role do lead screws play in ensuring proper alignment and tightness in mechanical assemblies?
Lead screws play a crucial role in ensuring proper alignment and tightness in mechanical assemblies. They provide a reliable means of applying axial force to securely fasten components together. Here’s how lead screws contribute to alignment and tightness:
Alignment:
Lead screws aid in achieving proper alignment in mechanical assemblies through the following mechanisms:
- Linear Motion: Lead screws convert rotary motion into linear motion, allowing for controlled movement and alignment of components. By rotating the lead screw, the connected nut or threaded component moves along the screw’s axis, enabling precise positioning and alignment of the assembly.
- Thread Engagement: The mating threads of the lead screw and nut provide a positive mechanical connection. As the nut moves along the screw, the threads engage tightly, ensuring accurate alignment between the screw and the nut. This thread engagement helps maintain the desired position and alignment of components within the assembly.
- Guidance and Support: Lead screws often incorporate guidance mechanisms, such as linear bearings or sliding surfaces, to ensure smooth and accurate linear motion. These guidance systems help prevent lateral movement, minimize misalignment, and maintain the intended trajectory of the assembly, improving overall alignment.
- Positioning Accuracy: Lead screws offer precise positioning capabilities, allowing for the accurate alignment of components. The thread pitch and design, combined with the rotational input, enable controlled linear movement and positioning. This precision is critical in applications where proper alignment is essential for optimal performance and functionality.
Tightness:
Lead screws contribute to achieving tightness and secure fastening in mechanical assemblies through the following means:
- Axial Force Application: Lead screws transmit axial force to clamp or tighten components together. By rotating the lead screw, the axial force is applied through the nut or threaded component, generating a clamping action that holds the assembly tightly. This axial force helps prevent loosening, vibration, or unintended movement of the connected components.
- Self-Locking Capability: Lead screws possess a self-locking characteristic, which means they can hold their position without the need for additional locking mechanisms. The friction between the mating threads provides resistance to back-driving and helps maintain the tightness of the assembly. This self-locking property ensures that the assembly remains securely fastened, even in the absence of continuous power input.
- Thread Friction: The friction between the mating threads of the lead screw and nut contributes to the tightness of the assembly. When properly lubricated, the thread friction helps increase the resistance to loosening or undesired movement. By controlling the thread friction, the tightness of the assembly can be optimized to meet the specific requirements of the application.
- Preload Adjustment: Lead screws allow for preload adjustment, which is the intentional application of axial force to achieve a desired level of tightness. Preload can be applied by adjusting the initial position of the nut along the lead screw or by incorporating preload mechanisms, such as spring washers or Belleville washers. Preload optimization ensures that the assembly remains tight and secure, even under varying loads or external disturbances.
Overall, lead screws provide a reliable means of achieving proper alignment and tightness in mechanical assemblies. Their linear motion capabilities, thread engagement, guidance mechanisms, positioning accuracy, axial force application, self-locking capability, and preload adjustability all contribute to ensuring the stability, alignment, and tightness of the assembled components.
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 2024-04-03