Product Description
Product Description
T Type Trapezoidal Thread Square Threaded Bar Rod Applications:
Industrial Equipment such as :
Lift , General-purpose Machine Tool ( General Accuracy Machine Tool , General Machine Tool ,
Ordinary Engine Bed ) , etc.
Product Parameters
| ACME THREAD ROD | |
| STHangZhouRD: | DIN975 |
| SIZE: | D:M2-M52 |
| SUPPLIER | QBH |
| WEB/SHOP | qbfastener |
| MATERIAL: | Stainless Steel , LOW CARBON STEEL , MEDIUM CARBON STEEL , ALLOY STEEL , etc. |
| CLASS: | 4.8/6.8/8.8/10.9/12.9 |
| THREAD | ACME Thread ( T Type Thread / Trapezoidal Thread / Square Thread ) |
| FINISH: | Plain |
| PACKING: | BULK/BOXES IN CARTONS,BULK IN POLYBAGS/ -BUCKETS,ETC. |
| PALLET: | SOLID WOOD PALLET,PLYWOOD PALLET,TON BOX/BAG.ETC. |
DIN 975 Threaded Rods
are long, CHINAMFG cylindrical bars that are continuously threaded from end to end with external
machine screw threads. Typically 1000 mm (1 meter) long, they are similar to threaded studs
but studs are usually less than 200 mm in length. Commonly referred to as “all thread” or “all
thread rod,” they are used in a variety of fastening applications especially when a long fastener
is required but the length exceeds that of available bolts. Being headless, nuts may be used
at each end particularly in situations like through-hole bolting and anchoring. Threaded rod
can be cut to the desired length although the tips of plated steel rod could then be susceptible
to rust (a zinc-rich cold galvanizing compound is sometimes used to coat exposed steel rod ends).
Available in steel, Class 4.6 and 8.8; Grade B7 alloy; and stainless steel. Coarse right-hand thread
is standard but some types can be supplied with fine and extra fine threads. Finishes for steel
are plain finish (unplated and susceptible to rust) and zinc plated. Measure threaded rods from
end to end.
Legend:
d – the nominal diameter of the thread
Makings:QBH
Steel: 4.8, 5.8, 8.8, 10.9, 12.9
Stainless: A2,A4
Plastic: –
Non Ferrous: Brass
Thread: 6g
Notes:
–
Dimensions in mm
| Thread size d | Lenght | Mass (7,85 kg/dm3), in kg per 1000 units | ||
| M2 | – | – | 1000±10 | 18,7 |
| M2,5 | – | – | 1000±10 | 30 |
| M3 | – | – | 1000±10 | 44 |
| (M3,5) | – | – | 1000±10 | 60 |
| M4 | – | – | 1000±10 | 78 |
| M5 | – | – | 1000±10 | 124 |
| M6 | – | – | 1000±10 | 177 |
| M8 | M8x1 | – | 1000±10 | 319 |
| M10 | M10x1,25 | M10x1 | 1000±10 | 500 |
| M12 | M12x1,25 | M12x1,25 | 1000±10 | 725 |
| (M14) | (M14x1,5) | – | 1000±10 | 970 |
| M16 | M16x1,5 | – | 1000±10 | 1330 |
| (M18) | (M18x1,5) | – | 1000±10 | 1650 |
| M20 | M20x1,5 | – | 1000±10 | 2080 |
| (M22) | (M22x1,5) | – | 1000±10 | 2540 |
| M24 | M24x2 | – | 1000±10 | 3000 |
| (M27) | (M27x2) | – | 1000±10 | 3850 |
| M30 | M30x2 | – | 1000±10 | 4750 |
| (M33) | (M33x2) | – | 1000±10 | 5900 |
| M36 | M36x3 | – | 1000±10 | 3900 |
| (M39) | (M39x3) | – | 1000±10 | 8200 |
| M42 | M42x3 | – | 1000±10 | 9400 |
| (M45) | (M45x3) | – | 1000±10 | 11000 |
| M48 | M48x3 | – | 1000±10 | 12400 |
| (M52) | (M52x3) | – | 1000±10 | 14700 |
FAQ
Our Services
Professional Manufacturer: All of our Fastener are designed and manufactured according to buyers’
specification and performance.
Quality is guaranteed: Durability testing and critical technical design to enhance fasteners lifetime.
Cost effective: Competitive prices with professional factory supply
Perfect fastening solution with 15+ years experiences to solve your problem: Wide range of parts selection.
Customized Ideal Fasteners: customized services according to the samples and drawings offered.
Free Samples for Standard Fastener from HangZhou City Qunbang Hardware
We Promise:
1.High quality
2. Competitive price
3. The shortest delivery
4. The fastest response
5. The best service
FAQ
1.What’s your experience like?
Our general manager has been engaged in the export of fasteners since 2005.
Our team can provide you with professional fasteners selling and smooth export services.
2.How about your price?
High quality products with reasonable price. Please give me a inquire, We will quoted you a price for you
refer at once.
3. How do you control your quality?
We require the quality control department to inspect every production link of each shipment. And we can provide you MTC and mill certificate when the goods is finished.
4.How about your delivery time?
General speaking, if the goods is in stock, we can delivery them with 2-5days, If the quantity is 1-2container, we can give you with 18-25days,if the quantity is more than 2 container and you are very urgent, we can let factory priority produce
your goods.
5.What is your packing?
Our packing is 20-25kg for one carton,36 or 48pcs cartons for one pallet. One pallets is about 900-960kg, We also can make customer’s logo on the cartons. Or we customized cartons according to customers’
requirement.
6.What is your payment term?
We can accept T/T,LC for general order ,Paypal and Western union for small order or samples order.
Awaiting for your kind inquiry! Thanks & best regards!
For more information: http://qbfastener
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| Material: | Stainless Steel |
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| Type: | Round Head |
| Connection: | Common Bolt |
| Samples: |
US$ 5/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.
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.
In what industries or applications are lead screws commonly utilized?
Lead screws are commonly utilized in various industries and applications that require precise linear motion, positioning, or adjustment of components. Here are some of the industries and applications where lead screws are frequently used:
- CNC Machining: Lead screws play a vital role in computer numerical control (CNC) machines. They are used in the linear motion systems of CNC mills, lathes, and routers to position and move the cutting tools or workpieces with high accuracy and repeatability.
- 3D Printing: Lead screws are widely employed 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.
- Robotics: Lead screws find extensive use in robotic systems for various applications. They are utilized in robotic arms to control the movement and positioning of the end effectors or grippers. Lead screws also enable precise linear motion in robot joints, allowing for accurate and controlled robotic movements.
- Medical Equipment: Lead screws are employed in medical equipment and devices that require precise linear motion control. They can be found in medical imaging systems, laboratory automation equipment, surgical robots, patient positioning systems, and other medical devices.
- Industrial Automation: Lead screws are utilized in industrial automation applications for precise positioning and linear motion control. They are commonly found in assembly lines, packaging machines, material handling systems, and automated testing equipment.
- Aerospace and Aviation: Lead screws find use in aerospace and aviation applications that require accurate control of movable components. They can be found in aircraft controls, navigation systems, satellite positioning mechanisms, and aerospace testing equipment.
- Optics and Photonics: Lead screws are utilized in optics and photonics applications that require precise positioning or adjustment of optical components. They can be found in telescopes, microscopes, laser systems, and optical testing equipment.
- Industrial Machinery: Lead screws are commonly used in various types of industrial machinery. They can be found in equipment such as milling machines, drilling machines, grinding machines, textile machinery, printing presses, and many other types of machinery that require controlled linear motion.
- Automation in Home and Office: Lead screws are also utilized in automation systems for home and office applications. They can be found in motorized adjustable desks, automated window blinds, camera sliders, home theater systems, and other automated systems that require precise linear motion control.
These are just a few examples of the industries and applications where lead screws are commonly utilized. The versatility, precision, and reliability of lead screws make them a valuable component in numerous mechanical systems that require controlled linear motion or positioning of components.
editor by Dream 2024-05-03
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