Solution Description

Polytek co-rotating twin-screw extruders are developed for maximum dependability, relieve-of-use and flexibility. We offer you change-essential remedy for all varieties of materials compounding applications.

we are happy to introduce our PTH series extruder which equiped with large torque and large speed gear box, desinged with particular torque of

12Nm/cm3 to attain large screw filling charge, which results in a lessen of soften temperature, as a result bettering compound high quality.

what is twin screw extruder 

Co-rotating twin-screw extruder : Because of to the co-rotating twin-screw has the reverse speed at the meshing point, 1 screw pulls the materials into the meshing gap, and the other screw pushes the content out of the hole, resulting in substance from 1 screw turns to the other screw and improvements in a “∞” shape. Because the hole of the meshing zone is small, the velocity of the meshing screw and the groove are opposite in route, so that the cutting pace is large, and the self-cleaning impact is great, that is, any accrued materials adhering to the screw can be scraped off, therefore The residence time of the material is quite limited, so the twin screw extruder is primarily employed for compounding and pelletizing .

Polytek also have 2 stage extruder for PVC compound and high filler masterbatch extrusion.

Specialized Info of PTH Extruder
 

Construction :

The Applications of Co-rotating Twin Screw Extruder

one.Glass fiber strengthened, gasoline barrier palletizing (For case in point PA6, PA66, PET, PBT, PP, and Personal computer reinforced flame retardant)
two.Very crammed materials granulation (For illustration PE, PP loaded with 75%CaCo)
three.Granulation of warmth-delicate materials (For example PVC, XLPE cable materials)
4.Intense shade masterbatch (For example filled with 50% shade powder)
five.Antistatic masterbatches, alloys, coloring, lower-fill co-mingling granulation
6.Cable materials granulation (For case in point sheathing materials and insulation content)
seven.XLPE pipe substance granulation (For instance masterbatches for sizzling drinking water crosslinking)
eight.Thermoset plastic compounding and extrusion (For example phenolic resin, epoxy resin, and powder coating)
nine.Sizzling soften adhesive, PU reactive extrusion palletizing (For instance EVA sizzling soften adhesive and polyurethane)
10.K resin, SBS de-volatile granulation
 

Spare parts and service, we are not only offering machine, but also our expertise and support

Owe to rich theoretical information and experience in compounding fifield, we can provide best answer to fulfill customer’s need, not only for nearby extruders. We can also provide normal elements of Coperion, Berstoff, JSW, Toshibar, Steer etc.

About Polytek
 

POLYTEK Smart Equipement Co., Ltd. is a committed in plastic extrusion and recycling technologies R & D, to give for buyers compounding/plastic pipe/profile/sheet/board extrusion & waste plastic washing recycling machines, which will meet up with requirement of ISO 9001 and CE. With numerous patent systems, we can give custom-made solution for all kinds need, which will be steady, ideal functionality, and aggressive price .We have 3000m2 plant and over 30 employs, like a powerful staff of technical style and soon after sale service, which will insure the quick action to customer’s need.

Certification For PTH Extruders

A lot more Tools for various polymer compound

Acquiring from CZPT is only the commencing of our romantic relationship. We are dedicated to the achievement of our customers

maintenance programs, CZPT and wellness checks, and coaching services so that you can target on what you do best: offer your solution.

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Types of Gearboxes

There are several types of gearboxes. Some are known as helical gear reducers, while others are called planetary gearboxes. The article also discusses Continuously Variable Transmission (CVT) and helical gear reducer. If you are interested in purchasing a new gearbox, make sure to read our articles on these different types. If you are confused, consider reading our articles on planetary gearboxes and helical gear reducers.

planetary gearbox

The planetary gearbox has several advantages. Its compact design and light weight allows it to transmit high torques while remaining quiet. The gears are connected to one another through a carrier, which is typically fixed and helps transmit torques to the output shaft. Its planetary structure arrangement also reduces backlash and provides high rigidity, which is important for quick start and stop cycles and rotational direction change. Depending on the design and performance desired, planetary gearboxes are categorized into three main types:
The type of planetary gears used in a given application determines the overall cost of the unit. Manufacturers offer a range of prices, and they can help you determine which gearbox is right for your needs. You should also ask a manufacturer for the cost of a planetary gearbox. By asking about price and specs, you can avoid wasting money and time on a planetary gearbox that does not perform up to its potential.
A planetary gearbox is probably installed in your new car’s automatic transmission. For more information, consult your owner’s manual or call the dealer’s service department. This type of gearbox is more complex than other types of gearboxes, so if you don’t know much about them, do an internet search for “planetary gearbox.”
The teeth of a planetary gearbox are formed by the stepping motion of two gears: the sun gear and the inner ring. The sun gear is the input, while the planetary gears rotate around the sun gear. Their ratio depends on the number of teeth and the space between the planets. If you have a 24 tooth sun gear, the planetary gears’ ratio will be -3/2. The sun gear is also attached to the axle.
Another advantage of a planetary gear system is that it can generate high torques. The load is shared among multiple planet gears. This makes the gears more resilient to damage. A planetary gearbox can be as high as 332,000 Nm, and can be used in vehicles and industrial applications requiring medium to high torque. A planetary gear system is a great alternative to a traditional transmission. So, how does it work?

helical gearbox

The main difference between the helical gearbox and the spur gear is the center distance between the teeth. The helical gearbox has a larger pitch circle than the spur gear and thus requires a radial module. In addition, the two types of gears can only be made with the same tooth-cutting tool as the spur gear. However, the helical gearbox is more efficient in terms of production costs.
The helical gearbox is a low-power consumption, compact type of gearbox that is used for a wide range of industrial applications. They are highly durable and withstand high loads with utmost efficiency. The helical gearbox can be manufactured in cast steel and iron for small and medium units. This type of gearbox is also commonly used for crushers, conveyors, coolers, and other applications that need low power.
The helical gear has many advantages over the spur gear. It produces less noise. It has less friction and is less likely to wear out. It is also quieter than spur gears. This is because multiple teeth are in mesh. Because the teeth are in mesh, the load is distributed over a larger area, resulting in a smoother transition between gears. The reduction in noise and vibration reduces the risk of damaging the gear.
The helical gear’s axial excitation force is obtained using a linearized equation of motion in the rotational direction. The damping coefficient of the equation is 0.07. The helical gear is made up of a steel shaft with a diameter of 20 mm and a 5 mm thick aluminum plate. The stiffness of the bearing is 6.84 x 107 N/m. The damping force of the plate is 2,040 kg/m2/s.
The worm gearbox has a better efficiency ratio than the helical one, but it is less efficient in low-ratio applications. In general, worm gearboxes are more efficient than helical gearboxes, although there are some exceptions to this rule. A helical gearbox is better for applications that require high torque. It may also be more economical in the long run. If you are considering a helical gearbox, consider the advantages it has over worm gearboxes.

helical gear reducer

A helical gear reducer for a machine’s gearbox is an integral component of the drive system. This unit amplifies torque and controls speed and, therefore, compliments the engine by rotating slower than the engine’s input shaft. A helical gear reducer is a compact gearbox component that is used in industrial applications. A variety of sizes is available to suit various machine configurations. The following sections will discuss some of the different types available.
Designed by experts and engineers, a helical gear reducer is a surprisingly small and light gear that satisfies the needs of many machine applications. It features a large transmission torque, a low starting and running speed, and a fine classification of transmission ratios. A helical gear reducer is lightweight and easily connected to other gears, and it features a high technical content.
In order to avoid errors and poor performance, regular maintenance is a must. The proper lubrication of the gear reducer can minimize failures, errors, and poor performance. Every gear reducer manufacturer sells a suitable lubricant, which must match the properties of the machine’s drive mechanism. It is also advisable to check the lubrication regularly to avoid any deterioration of the unit’s performance.
While the worm gearbox may be better for applications where torque is high, the helical gear reducer offers greater efficiency at lower cost. Although worm gearboxes may be cheaper initially, they are less effective at higher ratios. Even if the worm gear is more expensive to buy, it still offers 94% efficiency, which makes it more cost-effective. There are some significant advantages to both types of gearboxes.
The main advantage of a helical gear reducer over a spur gear is its smoother operation. Unlike spur gears, which have teeth that are straight, helical gears have angled teeth that gradually engage with each other. This helps ensure that the gear does not grind or make excessive noise when it turns. Additionally, they are less commonly used in automation and precision machinery. They are often used in industrial applications.

Continuously variable transmission

A Continuously Variable Transmission (CVT) is an automatic transmission that can run through a vast number of gears. Unlike a standard automatic transmission, it can run at any speed, even at a low rev. The CVT is also capable of running at infinitely low gears. Its basic function is to provide different torque ratios to the engine. In addition to delivering power, CVTs have other benefits.
One of the major advantages of a CVT is its simplicity. Its simplicity translates into fewer moving parts, which means less maintenance. The CVT’s simplicity also means that it can handle a wide variety of different types of road conditions and driving styles. In addition to being a great alternative to a traditional automatic transmission, CVTs can be used on many other types of vehicles, including tractors, snowmobiles, motor scooters, and power tools.
A CVT is much smoother than a conventional automatic transmission. It never has to hunt for a gear. It also responds well to throttle inputs and speed changes. Both of these technologies are available on many modern vehicles, including the Nissan Rogue and Mazda CX-5. It’s important to note that each of these transmissions has its pros and cons. So, if you’re looking for a car with a CVT, make sure to read the reviews. They’ll help you decide which transmission is right for you.
Another advantage of a CVT is its fuel efficiency. Many cars now feature CVTs, and they’re becoming increasingly popular with automakers. In addition to fuel efficiency, most cars with CVTs also have a smoother ride. There’s no more sudden downshifts or gear hunting. This makes driving a lot easier. And, the added benefits of smoother driving make CVTs the ideal choice for many drivers.
Although a CVT is more common among Japanese car manufacturers, you’ll find CVTs on European car models as well. The Mercedes-Benz A-Class, B-Class, and Megane are some examples of vehicles that use this technology. Before making a decision, consider the reliability of the model in question. Consumer Reports is a good resource for this. It also offers a history of use and reliability for every type of car, including the Honda Accord.

editor by czh 2022-12-21