Product Description
WPC/PVC CELLING/WALL PANEL EXTRUSION LINE
PVC/WPC DOOR PANEL EXTRUSION LINE
WPC DECKING FENCING WALL CLADDING EXTRUSION LINE
1.PRODUCTION INTRODUCTION
WPC decking ,fencing,wall cladding production line is mainly composed of feeder, twin screw extruder, calibration table, cutting machine, stacker.
PVC profile production line is composed of cone twin screw extruder, vacuum calibration tank, haul-off, cutter, stacker, and also coordinated with different profile break-section and CZPT to produce PVC door&window profile,indoor floor, decoration plate material, profile and multi-hole wire plastic products etc.
This extrusion line also can be used to produce wpc profile extrusion line WPC Machine can be used after recycling, and has been widely used in fields of floor, guard bar, tray, packing cases, partition board, window and door sheath, skirting line, etc.
The PVC WPC door panel extrusion line is suitable for producing the preparatory PVC WPC door panel. We can provide the turnkey project for integrated door and door frame. The whole production line includes the PVC WPC door frame extrusion line, WPC door panel extrutsion line and subsequent processing equipments. The PVC WPC door has the advantages of fireproof, waterproof, anticaustic, moistureproof, mothproof, mildewproof and environmentally friendly. The PVC WPC doors can be widely used in interior doors, hospitel ward doors, school classroom door, various styles can be customized.
2.Work flow and detailed information
| Feeder | • Screw loader feed material into extruder; |
| Extruder | •World famous brand electrical component: Siemens, Schneider, ABB etc; • High torque gearbox with adopts NSK/SKF bearing; • Siemens motor achieved global after service; • Bimetallic screw and barrel; • Intelligent PLC controlling system with human-friendly interface. |
| Die head | • 3Cr13/3Cr17 material • Complete set include extrusion die head, calibrator and cooling tank |
| Calibration table | • Include full set of vacuum and water pump • Width: 240mm • Length: 6000mm • Independent operation panel for easy operation |
| Haul off | • Upper/lower caterpillar driven separately and speed control by inverter • Fast change type pads for easy operation |
| Cutter | • Lifting saw cutter with adopts double station dust collection system •Synchronous driving by air cylinder or servo motor control |
| Stacker | • Stainless steel304 as touching material • Discharge driving by air cylinder |
3.PHOTO
4.ABOUT US
HangZhou Trusty Plastic Machinery Co., Ltd. is a professional plastic extrusion equipment manufacturer integrating design, research and development, production and sales.
The company’s main products are rich, the production technology is mature, and the after-sales service is guaranteed. Products are sold at home and abroad, such as: Brazil, Chile, Mexico, the Philippines, Italy, Russia, Pakistan, Vietnam, India, Algeria, Egypt and other countries.
Our company is located in HangZhou, 1 of the plastic machinery bases in China, where the railway, sea transportation, aviation and other transportation systems are very complete. And it is 1 of the regions with rapid economic development in the coastal cities.The advantaged geographical conditions have provided great convenience for the development of the company’s trade.
Our company’s main products are: PVC door and window profile production line, WPC wood-plastic profile production line, PVC wall panel production line, PVC/PE/PPR pipe production line, PVC/WPC crust foam board production line, PE/PP/PC hollow sheet production line, PVC roof tile production line and PET packing belt production line, etc. According to customers’ needs, to achieve diversified processing customization.
Over the years, the company has always adhered to the tenet of “honesty for basis, quality for living, innovation as the theme, and development as the focus”, abide by the quality commitment to users, and won the trust of customers.
5.FAQ
1.WHY CHOOSE US
We are the Professional manufacturer to develop the plastic extrusion machines in HangZhou. Machine quality and customer satisfaction is our pursuit.Be sure we have the strength to provide you with quality machines and perfect service.
2.WHAT SERVICES DO WE OFFER?
Pre-sale communication → Design proposal, signature confirmation→
Customized production→ Test machine before shipment →Package &
delivery→ Engineer installation→Training operator → Technical support
3.PAYMENT TERMS:
30% of total amount should be paid by T/T as down payment ,the balance (70% of total amount) should be paid before delivery by T/T or irrevocable L/C by payment(at sight).
4.DELIVERY CONDITIONS:
4.1 Delivery condition: FOB HangZhou port or CIF destination Port.
4.2 Delivery terms: Within 30-60 working days after receipt of advanced payment, the seller should inform the buyer to do inspection,the seller should finish packing of goods and ready for shipment within 15 working days after the seller receipt the full payment.
5.WARRANTY TERMS
5.1 Warranty period: 12 months, starting from the machine receipt in customer’s warehouse
5.2 Seller shall grant: services and spare parts, free-of-charge service throughout the entire equipment during warranty period.
5.3 long life service: the seller should provide long life service for the sold goods, the buyer pay for needed spare parts after the 12months warranty terms.
6.INSPECTION
When the machine finished, the seller should inform the buyer to do inspection before shipment, the seller guaranty good performance of all the sold goods.the seller undertake the material cost for the machine inspection in seller’s factory. the buyer should come to seller’s factory to do the inspection work, or the buyer could entrust any third party to come to seller’s factory to do the inspection work.
7.INSTALLATION AND EQUIPMENT COMMISSIONING:
if the buyer requires, the seller should send technician team to buyer’s factory for installation and testing the whole line, and the buyer should undertake the whole food/place and round tickets (airplane, food, hotel, and so on), and pay salary to engineer for 100 usd/day/engineer.
6.AFTER SALES SERVICE
| Technical documentation |
| All symbols on the equipment will be in English. We will be responsible for providing the Buyer with a general layout plan, electrical plan, installation orientation and manuals, in English. |
| Arrangements for inspection, installation and testing of the equipment |
| a. After all of the equipment is delivered to the customer’s factory, the Buyer shall be responsible for all preparation work, e.g. electricity supply, water supply, cranes and labor, etc. b. We will prepare visa applications for their engineers, who will assist in the equipment installation and testing at the Buyer’s factory. c. The Buyer will buy a round-trip air ticket for the engineer(s) after the visa application is approved. The Buyer is responsible for all expenses generated, e.g. visa application fees, meals, accommodation and an allowance of $80.00 per day for each engineer. d. The engineer(s) will provide free training for the operators and maintenance people, in Buyer’s factory. e. If the Buyer does not request commissioning by our engineer(s) within 4 months from the date of the bill of lading, it will be accepted that all the equipment has been successfully tested and approved by the Buyer. |
| Quantity and quality guarantee |
| a. In cases of quantity discrepancies or equipment damage, at the destination, the Buyer will file a claim within 30 days after the arrival of the goods at its destination. The insurance company and the shipping company will be responsible for all discrepancies and damage caused by the shipping company or other transportation companies. b. Guarantee period and after-sales services: 13 months from the date of the bill of lading. During this guarantee period, if there is a quality issue, we will provide spare parts without charge. If malfunctions are caused by the Buyer’s improper operation of equipment, we will provide the Buyer with spare parts at cost prices. c. Long-term service: Beyond 1 year, we will provide the Buyer with spare parts at reasonable prices and provide long-term technical guidance. |
Screw Shaft Types
If you’re looking for a screw shaft, but aren’t sure which type to buy, you’re in luck. In this article, we’ll talk about the different types, including Threaded shank, Round head, and Machined. Once you’ve read it, you’ll know which type to buy. Then, you can decide whether you want a ball screw nut or a threaded shank.
Machined screw shafts
Besides the standard stainless steel shaft, manufacturers also provide a variety of other materials, such as titanium, bronze, and brass. In addition to stainless steel, manufacturers also provide a variety of top-coating options, including zinc, brass, and chromium. Aluminum screws are not particularly durable and are easily affected by weather. Most screw shafts feature self-locking mechanisms. They are especially useful in C-clamps, vises, and screw-top container lids.
For applications where accuracy is vital, a ball screw shaft needs to be annealed. A heat treatment can be performed on the ball screw shaft to ensure that both ends are heated evenly. In this process, the shaft will be more durable, while maintaining its high-precision properties. These screw shafts are a key component in computer-controlled motion-control systems, wire bonding, and other industries that require high-precision and high-quality performance.
Depending on the material used, screw shafts can be made of stainless steel or titanium. High-precision CNC machines and lathes are typically used to manufacture screw shafts. Various shapes and sizes are available, each with a specific application. Whether you need a small or large screw, you can find 1 to fit your needs. And since each size requires a different material, your choice of material is important as well.
In general, the materials used for machining screw shafts are steel, stainless steel, titanium, brass, bronze, and aluminum. Metals that resist corrosion are also commonly used. Other materials for screw shafts are Teflon, nylon, and nylon. You can also find threaded screw shafts in materials such as porcelain, glass, and ceramic. If you want to use your screws in a unique material, consider purchasing a customized one.
Ball screw nuts
If you have a screw shaft, the last thing you want to worry about is the ball nut slipping off. To prevent this, you can place a temporary stop in the shaft’s grooves to ensure that the ball nut does not slide off. When you remove the stop, you can then install the ball screw nut. But, before you can install the ball screw nut, you have to make sure that you have a good grip on the shaft.
When selecting ball screw nuts, it’s important to consider how much preload you need to apply to avoid excessive backlash. Preloading eliminates this problem by making the ball nut compact. It also prevents backlash, which is lost motion caused by clearance between the ball and nut. Backlash disrupts repeatability and accuracy. This is where spacer preloading comes in. You can insert a spacer between the 2 ball nuts to transmit the force to the nut. However, you should keep in mind that this method reduces the load capacity of the ball screw.
The critical speed of a screw is the maximum rotating speed before it whips. This critical speed is influenced by several factors, including the diameter of the screw shaft, the number of support elements, and the material. By adjusting these factors, you can reduce the number of components used and the amount of time it takes to assemble the screw shaft. In addition, you can also reduce the number of components and avoid stacking tolerances. However, the critical speed of plastic nuts is limited due to sliding friction.
The ball screw nut has several characteristics that make it unique. Its most prominent feature is the presence of ball bearings. These balls help reduce friction between the screw nut and the shaft. Without ball bearings, the friction would be too high to function properly. Another important characteristic is the groove profile of the nut and ball. These 2 features ensure that the ball and the nut meet at 2 points. You’ll be amazed by the results of the work of these ball screw nuts.
Threaded shank
Wood screws are usually not fully threaded because the shank has an unthreaded portion at the top. This shoulder part forces the screw to compress 2 pieces of wood, which prevents the screw from overheating and compromising the materials strength. As the screw is threaded partially up, it is not as difficult to remove as a fully threaded screw. However, it is important to note that a wood screw will not hold as tightly as 1 with a fully threaded shank.
In addition to being universal, screw threads can be of different sizes. For example, a M8 screw has a thread pitch of 1.25 mm. To avoid confusion, screw thread pitches are commonly given with a multiplication sign. For example, M8x1 means that the screw is 8 mm in diameter but has a thread pitch of 1 mm per 360-degree rotation. Those who are not familiar with these dimensions may find it confusing.
The OD of the threaded portion of a bolt is generally smaller than the OD of the nut. If the shank is too deep for the nut to fit, the threads may bottom out. This is why it’s important to use a thread-cutting bit with a small thread diameter. You can use a micrometer or caliper to measure the thread diameter. This tool will also allow you to easily identify which screw size fits where and how well.
The metric system is the most widely used. Fasteners with DIN numbers are generally metric in size. This makes them very useful for industrial settings. You can find metric-sized screws anywhere, as long as you buy them from a reputable manufacturer. These fasteners also come with a dog point, which is used for safety wire. If the screw needs to be replaced, the shank can be drilled with a hole for a safety wire or for a dog-point.
Round head
A round head screw is the most common type used for machine screws. Other common types include truss head, flat head, and hexed head. Each has a different profile and are used for different purposes. A round head screw is typically wider than a flat or a hexed head, and has a slightly rounded surface. These screws are useful for projects involving sheet metal or sheet-metal parts. Round heads are usually slightly wider than a hex head screw, and they may also be used as a substitute for washers in certain applications. However, truss heads are not necessary for every project.
A wood screw has a smooth shank that protrudes above the surface of the material it is attaching. A metal screw has a threaded shaft that is fully threaded from head to point, and a fully threaded shaft provides more bite. Two common head styles are round head and pan head. If the task requires the screw to be flush or countersunk, the round head will be the best choice.
Another type is the Reed & Prince screw drive. These are similar to Phillips screws but have a 75-degree V shape. They are commonly used in marine hardware and are also known as BNAE NFL22-070. This type is also used for steel plate hangers. In addition to round head and pan head screws, there are a variety of other screw types. You can even get a head with a slotted head if you know where to look.
Screw diameters are specified according to the ISO 261 or ISO 262 standards. An M8 screw has a diameter of 8.25 mm. The M8 screw has a pitch of 1.25 mm, which is equivalent to 1 mm per 360 degrees. There are several other standard screw sizes and thread diameters available. You can find them all by consulting the relevant standards. But remember, the metric system is the most popular.
Self-locking mechanism
A self-locking mechanism for a screw shaft is a device that secures the screw to its supporting member in a failure position. The locking mechanism provides a positive connection between the screw shaft and the control surface during normal operation, and locks the screw to its supporting member when the screw fails. Previous attempts to solve this problem have typically used secondary nuts with free play on the screw, which were intentionally designed to jam when loaded. However, such a device can be unreliable, which is why the present invention offers a more robust and reliable locking mechanism.
The self-locking function of a screw depends on several factors, including its pitch angle and the coefficient of friction of the threads. The angle of friction must be less than the tangent of the material pairing to prevent untightening of the screw. Screws with self-locking mechanisms have an efficiency e lower than 50%, which is less than half. Self-locking screws also have the benefit of being less efficient than a standard screw.
Unlike a normal screw, a self-locking screw can be turned in either direction. The nut 22 rotates with the screw shaft, and the member 23 is translated in an axial direction. Regardless of the direction of the rotation of the screw, this axial translation will result in the opposite moment to that input moment. While screw self-locking mechanisms are typically less expensive, they are more reliable and durable.
Another important feature of self-locking screws is that they are not susceptible to independent loosening. The screw cannot rotate without a certain amount of torque. In addition, a self-locking screw shaft must have a small wedge with a smaller half-angle than the arctangent of the static friction. This means that the torque applied by the driver must be greater than the torque needed to overcome the friction.
