Product Description
PE 100 Twin Screw Press Twin Lead Screw for Granulator Extruder /Extrusion Line
Production Design Plan
Twin Screw and Barrel
PVC powder granulation, do products(pvc pipe, profile,etc)
Some flat twin screws, according to the design can also do other plastic materials, such as: pe, pp
Application
01 Conical Twin Screw and Barrel
1. Nitrided screw and barrel:
| Material: | 38CrMoAIA |
| Surface hardness: | ≥HV900 |
| Nitriding depth: | 0.5-0.8mm |
| Conical twin screw and barrel types: | φ45/97,φ51/105,φ55/110,φ60/125,φ80/156,φ92/188,φ95/191,φ105/216 |
2. Bimetallic screw and barrel:
Imported high-strength alloy steel material, the vulnerable parts of the screw are plasma surfacing, the thickness of the shackle base and the Ragi alloy is 1-1.5 mm, and the service life is increased by more than 1.5 times.
3.Conical twin screw and barrel types:
φ45/97,φ51/105,φ55/110,φ60/125,φ80/156,φ92/188,φ95/191,φ105/216
The material used for screw and barrel are subject to the demand of customers.
We can design the twin screw and barrel according to the customer’s requirement
02 Parallel Twin Screw and Barrel
1. Nitrided screw and barrel:
| Material | 38CrMoAIA |
| Surface hardness: | HV900 |
| Nitriding depth: | 0.5-0.8mm |
| Screw Diameter: | φ45/2 -φ250/2 |
| L/D ratio: | 16/40 |
2.Screw alloy material:
Basic material is 38CrMoAIA, bimetallic is welded on the screw flight, prolonging the life of the screw.
We Can Design The Twin Screw And Barrel According To The Customer’s Requirements.
03 Bimetallic Screw and Barrel
Bimetallic Alloy Material:
1. Ni-based alloy
2. Fe-based alloy
3. Co-based alloy
4. NiCo-based alloy
5. Tungsten carbide
| Specification: | |
| Screw diameter: | φ10mm-φ350mm |
| Screw maximal length: | 8000mm |
| Barrel inner diameter: | φ10mm-φ350mm |
| Barrel maximal length: | 7000mm |
Advantages of bimetallic screw and barrel:
Wear-resisting,extending lifetime of screw and barrel.especially aiming at recycle material,raw material compound high percents calcium powder,30% glass fiber,the effects are perfect.Different bimetallic alloy materials are available for different raw material.
Production Workshop
Company Profile
After-Sale Service
1.Providing on the spot technical assistance in installation, commissioning and training
2.Filing in detail customer’s information
3.Providing long-term maintenance service and spare parts
4.Giving technical support to customer for developing new product
5.Providing free maintenance for a year
FAQ
Q1:What about the payment terms?
A1:Always 30% down payment as deposit,70% balance pay before shipping.
Q2:What about the payment way?
A2:TT,L/C at sight or Alibaba trade assurance.
Q3:If you can extend the guarantee time?
A3:Yes.Our guarantee time is 24 months.Double times of other factory because we have strong confidence for our product.
Q4:If you will send engineer coming to our factory to install and test the machines?
A4:Yes,Every set of machine we will send professional engineer to your factory and help installation and test the machines for you.
Q5:If you have CE,SGS,ISO certificate?
A5:Yes,except these,if you also need other certificates,we also can help to apply.
Q6:If we buy your machines, can you offer us wear-out spare pats?
A6:Yes,We provide our high quality machine 2 years’ guarantee,and we will also offer you 2 years wear-out spare parts for free. Once your machines broken or doesn’t work within 2 years and you can’t solve it, firstly, we will try to help you to find problems from your words description by phone or other communication tools. Secondly, if the phone solutions still not work, our engineers will go to your factory to solve it. Meanwhile, they will teach you the related experiences for fixing.
Q7:The voltage,if you can design according to our request?
A7:Yes.
Q8:If you support Alibaba trade assurance pay?
A8:Yes.100% support.
To make you an accurate quote, we need your kindly support to provide drawings, quantity, material, heat treatment requirements, destination, etc.
1.Please send us message online now.
2.Please contact us by E-mail.
If you have any need, please feel free to contact me.
/* 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
| After-sales Service: | 12 Month |
|---|---|
| Warranty: | 12 Month |
| Product Name: | Twin Screw Barrel |
| Base Material: | 38crmoaia(Sacm645) /SKD-61(Special Tool Steel) |
| Guarantee: | 12 Months |
| Package: | Wooden Case |
| Customization: |
Available
|
|
|---|
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.
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.
Are there specific advantages to using lead screws over other linear motion systems?
Yes, there are specific advantages to using lead screws over other linear motion systems. Here are some of the advantages associated with lead screws:
- Precision and Accuracy: Lead screws offer precise and accurate linear motion control. The thread design and pitch allow for precise positioning and movement of components, making them suitable for applications that require high levels of accuracy and repeatability.
- Cost-Effectiveness: Lead screws are often more cost-effective compared to other linear motion systems, such as ball screws or linear actuators. They provide a reliable and efficient solution for converting rotary motion into linear motion at a relatively lower cost, making them a popular choice for many applications.
- High Load Capacity: Lead screws are capable of handling significant axial loads and torque. The thread engagement between the screw and nut distributes the load over a larger surface area, allowing lead screws to support and transfer substantial loads. This makes them suitable for applications that require heavy-duty performance and load-carrying capabilities.
- Self-Locking: Lead screws have a self-locking characteristic, which means they can hold their position without the need for additional locking mechanisms. The friction between the mating threads helps prevent back-driving and maintains the position of the load, providing stability and safety in applications where holding the position is critical.
- Simple Design and Installation: Lead screws have a relatively simple design, consisting of a screw and a nut. This simplicity makes them easier to install and maintain compared to more complex linear motion systems. Additionally, the straightforward design allows for customization and modification to meet specific application requirements.
- Efficiency: Lead screws can achieve high mechanical efficiency in converting rotary motion to linear motion. The efficiency depends on factors such as the thread design, lubrication, and preload. With proper design and lubrication, lead screws can operate with minimal friction and energy loss, ensuring efficient power transmission.
- Versatility: Lead screws can be used in a wide range of applications across various industries. They are suitable for applications that require linear motion, precise positioning, or adjustment of components. Lead screws find applications in industries such as manufacturing, automation, robotics, aerospace, medical, and more.
These advantages make lead screws a popular choice in many applications where precise linear motion control, cost-effectiveness, high load capacity, and simplicity are essential. However, it’s important to consider specific application requirements and factors such as speed, accuracy, duty cycle, and environmental conditions when selecting the appropriate linear motion system.
editor by CX 2024-03-14