Best Sale Spunbond Nonwoven Production Line
We enable our customers worldwide to produce nonwoven fabrics economically, reliably and sustainably.
Our mainly products are:spunbond nonwoven lines such as single beam, double-beam and three-beam PP lines PET lines Bico(PE/PP) and spunmelt (spunbond & meltblown) lines such as SMS, SSMS, SMMS, SSMMS.
The max speed of the last updated SSMMS spunmelt line has reached up to 600m/min, the grammage will be from 8-80gsm with high technical performance.
Feeding→Extrusion Melting→filtering→metering→spinning→Cooling→Stretching→Web spreading
|Yield(Products according to70g/m2)
This polypropylene(PP )spunbonded nonwoven fabric production line has advantages of superior performance, beautiful color, and good quality. It can form a fibre web symmetrically and is complete in types. It can also add recycled material and stuffing to reduce the cost of products.
01 Household Items
Suit Cover Knitwear Cover. Garderobe Cover. T CZPT Cloth. Other Products Include Pillow Slip, Bedspread, Car Cover Cover For Quilt, Computer, Air Conditioner And Fan Cover Etc
02 Medical And Hygiene Article
Operation clothes,exposure suit,disinfect cloth respirator,diaper,duster cloth,wiping cloth,wet face cloth,flexible towel roll,hairdressing products,sanitary towel, pad and any cloth for single use.
03 Commodity and labor production products
Cloth sleeves,apron,sauna cloth etc. Common purpose bags like shopping bag,gift bag,advertising bag,suit bag,quilt storage bag,samples handbag,ads bag,garbage bag etc.
04 Garments And Shoes
Clad And Linning , Shoes Lapping Cloth,
Shoes Bag,Shoes Cover Etc.
05 Industrial and Agricultural Usage
Roadbed Cloth, Dykes And Dams Cloth,
Waterproof Rolling Fabric,Covering Cloth,
Car Interior Decoration Cloth, Filtering Material,
Oil Absorption Material Etc.
The main feeding hopper capacity: Max 500kg/hr: Contains vacuum pump, hopper, suction gun as well as suction pipeline; Uses the programmable touch screen control to attract the material; use the stainless steel to make the suction pipeline( pipeline + high strength hose); 7.5kw vacuum pump;
Three master-batch feeding hopper:
Master-batch hopper one: proportion 0.5—5%, precision: +/–2%;
Master-batch hopper two: proportion 5—10%, precision: +/–2%;
Master-batch hopper three: Optional spare
Used to supply carrier for the drawn fiber webs, including a drive system for web forming belt, a suction channel device, a sealing device, an automatic correcting device, belt tensioning device, a frame and a prepressing roller, oil CZPT and web support roll.
Up drawing system and Down drawing system
a. made of section and δ=3mm mirror stainless plate
b.the inner clearance is adjustable
Uses the heat conduction oil to heat.
Heating: 48KW, the maximum heating temperature is 250 degrees;Uses 300cc the metering pumps, each metering pumps actuate by the synchronous motor.
Max speed: 40RPM.
The manifolder and the melt pipeline have the high quality thermal insulation material, the outside lap use the stainless steel plate, the exterior temperature are not higher than 60 degrees.
Spinning module:1 set Each set of modules include:Aluminum nature gasket;Distribution board;
The seller will send 2 or 4 engineers to install, test the production line and train customers’ workers in buyers’ factory. It will take 1 month for whole installation and training.
The seller should cover engineers’ salary and visa cost. And the buyer should cover Round air tickets, accommodations, transportation in buyers’ country, food, medical care, safety cost, and related cost happens in buyers’ country. Also, the buyer should prepare enough labor, electric wire outside the control panel and tools for installations.
Guarantee period for the delivered equipment will be 12month after completion of erection but not later than 18months after shipment. In case any item proves to be defective and the damage is confirmed by seller’s technicians within this period, the seller will at their choice either send engineer to repair or supply a new 1 for replacement free of charge on the basis of CNF delivery.
The above item does not include the parts, which have regular spares or the parts damaged from normal wear, abnormal operation, improper maintenance and inadequate civil works. The seller is not liable for any production loss under any circumstances.
As per export standard, they will also be treated before delivery against damage and rusting.
After Sales Service
1. We provide pre-sales, sales and after sales service, especially 1 year of free maintenance warranty.
2. If there are problems with the machine parts, customer can take pictures and send to us by email to explain the situation, we will help to solve it on line or by email as soon as possible.
3. If there are big problems of the machine caused by wrong operation, we will arrange professional engineer to solve the problem in customer’s factory, but all the cost including visa, air fare and accommodations must be paid by customer.
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How to Choose the Right Worm Shaft
You might be curious to know how to choose the right Worm Shaft. In this article, you will learn about worm modules with the same pitch diameter, Double-thread worm gears, and Self-locking worm drive. Once you have chosen the proper Worm Shaft, you will find it easier to use the equipment in your home. There are many advantages to selecting the right Worm Shaft. Read on to learn more.
The concave shape of a worm’s shaft is an important characteristic for the design of a worm gearing. Worm gearings can be found in a wide range of shapes, and the basic profile parameters are available in professional and firm literature. These parameters are used in geometry calculations, and a selection of the right worm gearing for a particular application can be based on these requirements.
The thread profile of a worm is defined by the tangent to the axis of its main cylinder. The teeth are shaped in a straight line with a slightly concave shape along the sides. It resembles a helical gear, and the profile of the worm itself is straight. This type of gearing is often used when the number of teeth is greater than a certain limit.
The geometry of a worm gear depends on the type and manufacturer. In the earliest days, worms were made similar to simple screw threads, and could be chased on a lathe. During this time, the worm was often made with straight-sided tools to produce threads in the acme plane. Later, grinding techniques improved the thread finish and reduced distortions resulting from hardening.
When a worm gearing has multiple teeth, the pitch angle is a key parameter. A greater pitch angle increases efficiency. If you want to increase the pitch angle without increasing the number of teeth, you can replace a worm pair with a different number of thread starts. The helix angle must increase while the center distance remains constant. A higher pitch angle, however, is almost never used for power transmissions.
The minimum number of gear teeth depends on the angle of pressure at zero gearing correction. The diameter of the worm is d1, and is based on a known module value, mx or mn. Generally, larger values of m are assigned to larger modules. And a smaller number of teeth is called a low pitch angle. In case of a low pitch angle, spiral gearing is used. The pitch angle of the worm gear is smaller than 10 degrees.
Multi-thread worms can be divided into sets of one, two, or 4 threads. The ratio is determined by the number of threads on each set and the number of teeth on the apparatus. The most common worm thread counts are 1,2,4, and 6. To find out how many threads you have, count the start and end of each thread and divide by two. Using this method, you will get the correct thread count every time.
The tangent plane of a worm’s pitch profile changes as the worm moves lengthwise along the thread. The lead angle is greatest at the throat, and decreases on both sides. The curvature radius r” varies proportionally with the worm’s radius, or pitch angle at the considered point. Hence, the worm leads angle, r, is increased with decreased inclination and decreases with increasing inclination.
Multi-thread worms are characterized by a constant leverage between the gear surface and the worm threads. The ratio of worm-tooth surfaces to the worm’s length varies, which enables the wormgear to be adjusted in the same direction. To optimize the gear contact between the worm and gear, the tangent relationship between the 2 surfaces is optimal.
The efficiency of worm gear drives is largely dependent on the helix angle of the worm. Multiple thread worms can improve the efficiency of the worm gear drive by as much as 25 to 50% compared to single-thread worms. Worm gears are made of bronze, which reduces friction and heat on the worm’s teeth. A specialized machine can cut the worm gears for maximum efficiency.
Double-thread worm gears
In many different applications, worm gears are used to drive a worm wheel. These gears are unique in that the worm cannot be reversed by the power applied to the worm wheel. Because of their self-locking properties, they can be used to prevent reversing motion, although this is not a dependable function. Applications for worm gears include hoisting equipment, elevators, chain blocks, fishing reels, and automotive power steering. Because of their compact size, these gears are often used in applications with limited space.
Worm sets typically exhibit more wear than other types of gears, and this means that they require more limited contact patterns in new parts. Worm wheel teeth are concave, making it difficult to measure tooth thickness with pins, balls, and gear tooth calipers. To measure tooth thickness, however, you can measure backlash, a measurement of the spacing between teeth in a gear. Backlash can vary from 1 worm gear to another, so it is important to check the backlash at several points. If the backlash is different in 2 places, this indicates that the teeth may have different spacing.
Single-thread worm gears provide high speed reduction but lower efficiency. A multi-thread worm gear can provide high efficiency and high speed, but this comes with a trade-off in terms of horsepower. However, there are many other applications for worm gears. In addition to heavy-duty applications, they are often used in light-duty gearboxes for a variety of functions. When used in conjunction with double-thread worms, they allow for a substantial speed reduction in 1 step.
Stainless-steel worm gears can be used in damp environments. The worm gear is not susceptible to rust and is ideal for wet and damp environments. The worm wheel’s smooth surfaces make cleaning them easy. However, they do require lubricants. The most common lubricant for worm gears is mineral oil. This lubricant is designed to protect the worm drive.
Self-locking worm drive
A self-locking worm drive prevents the platform from moving backward when the motor stops. A dynamic self-locking worm drive is also possible but does not include a holding brake. This type of self-locking worm drive is not susceptible to vibrations, but may rattle if released. In addition, it may require an additional brake to keep the platform from moving. A positive brake may be necessary for safety.
A self-locking worm drive does not allow for the interchangeability of the driven and driving gears. This is unlike spur gear trains that allow both to interchange positions. In a self-locking worm drive, the driving gear is always engaged and the driven gear remains stationary. The drive mechanism locks automatically when the worm is operated in the wrong manner. Several sources of information on self-locking worm gears include the Machinery’s Handbook.
A self-locking worm drive is not difficult to build and has a great mechanical advantage. In fact, the output of a self-locking worm drive cannot be backdriven by the input shaft. DIYers can build a self-locking worm drive by modifying threaded rods and off-the-shelf gears. However, it is easier to make a ratchet and pawl mechanism, and is significantly less expensive. However, it is important to understand that you can only drive 1 worm at a time.
Another advantage of a self-locking worm drive is the fact that it is not possible to interchange the input and output shafts. This is a major benefit of using such a mechanism, as you can achieve high gear reduction without increasing the size of the gear box. If you’re thinking about buying a self-locking worm gear for a specific application, consider the following tips to make the right choice.
An enveloping worm gear set is best for applications requiring high accuracy and efficiency, and minimum backlash. Its teeth are shaped differently, and the worm’s threads are modified to increase surface contact. They are more expensive to manufacture than their single-start counterparts, but this type is best for applications where accuracy is crucial. The worm drive is also a great option for heavy trucks because of their large size and high-torque capacity.