Solution Description

SZ conical double-screw plastic extruder gearbox series 

Detailed introduction:

This series product adopts hard tooth surface transmission device produced according to JB/T9095.1-1999 standard, consisting of reducer and distribution box, as the special product supporting conical twin screw extruder. 

Main product features:

1. The gear of reducer adopts high-strength alloy steel carburizing steel, grinded through carburizing and quenching, with level 6 precision. The tooth has high rigidness and low transmission noise.

2. The distribution box adopts small taper angle helical gear and high light alloy steel, with carburizing and quenching treatment after being cut by CNC gear hobbing machine, with high precision and rigidness.

3. With the design of nodular cast iron box and high-strength thrust self-aligning roller bearing, with reliable performance, can bear large axial thrust.

4. The reducer and distribution box are equipped with cooling device, with safe operation.

5. All cutting appearances are flat and beautiful. Besides current specification, the product of other specification can be customized according to the user’s requirement.

A Transient Overview of the Spur Equipment and the Helical Planetary Gearbox

This write-up will supply a brief overview of the Spur equipment and the helical planetary gearbox. To understand much more about the positive aspects of these gearboxes, study on. Here are a number of typical utilizes for planetary gears. A planetary gearbox is utilised in a lot of autos. Its efficiency helps make it a well-liked choice for small engines. Here are a few examples. Every has its benefits and disadvantages. Let us investigate each and every one particular.

helical planetary gearbox

In conditions of price tag, the CZPT is an entry-stage, extremely dependable helical planetary gearbox. It is suited for programs exactly where area, bodyweight, and torque reduction are of substantial issue. On the other hand, the X-Treme collection is suitable for apps necessitating higher-acceleration, substantial-axial and radial hundreds, and large-velocity performance. This report will go over the rewards of each sort of planetary gearbox.
A planetary gearbox’s traction-based style is a variation of the stepped-planet design and style. This variation depends on the compression of the factors of the stepped-planet design. The resulting design and style avoids restrictive assembly conditions and timing marks. When compared to standard gearboxes, compound planetary gears have a better transmission ratio, and they do so with an equivalent or smaller quantity. For case in point, a 2:1 ratio compound earth would be utilized with a 50-ton ring equipment, and the end result would be the identical as a 100-ton ring gear, but the planetary disks would be fifty percent the diameter.
The Helical planetary gearbox employs 3 components: an enter, an output, and a stationary place. The fundamental product is highly efficient and transmits ninety seven% of the input electricity. There are 3 principal varieties of planetary gearboxes, each and every concentrating on a various efficiency characteristic. The CZPT standard line is an outstanding location to begin your study into planetary gearboxes. In addition to its effectiveness and flexibility, this gearbox has a host of modular features.
The Helical planetary gearbox has multiple benefits. It is flexible, light-weight, and straightforward to preserve. Its construction combines a sunshine equipment and a planet gear. Its enamel are organized in a way that they mesh with every single other and the solar gear. It can also be utilised for stationary applications. The solar gear holds the carrier stationary and rotates at the charge of -24/16 and -3/2, dependent on the variety of tooth on every gear.
A helical planetary gearbox can lessen sound. Its form is also more compact, lowering the measurement of the technique. The helical gears are typically quieter and run a lot more effortlessly. The zero helix-angle gears, in distinction, have smaller sized measurements and greater torque density. This is a gain, but the latter also will increase the life of the technique and is much less costly. So, whilst the helical planetary gearbox has many positive aspects, the latter is advised when place is constrained.
The helical gearbox is far more efficient than the spur equipment, which is constrained by its lack of axial load element. The helical gears, on the other hand, produce considerable axial forces in the equipment mesh. They also exhibit a lot more sliding at the points of tooth make contact with, including friction forces. As this sort of, the Helical planetary gearbox is the desired selection in servo apps. If you’re hunting for a gearbox to minimize sounds and boost effectiveness, Helical planetary gearboxes are the proper choice.
The major differences between the two types of planetary gears can be identified in the layout of the two outer rings. The outer ring is also known as the sunshine equipment. The two gears mesh jointly according to their possess axes. The outer ring is the planetary gear’s carrier. Its weight is proportional to the portion of the ring that is stationary. The provider sets the gaps among the two gears.
Helical gears have angled teeth and are ideal for programs with substantial loads. They are also really sturdy and can transfer a higher load. A normal Helical gearbox has two pairs of enamel, and this makes certain sleek transmission. In addition, the enhanced contact ratio qualified prospects to lower fluctuations in mesh stiffness, which signifies a lot more load capacity. In conditions of price, Helical planetary gears are the most cost-effective gearbox variety.
The outer ring equipment drives the internal ring equipment and encompassing planetary areas. A wheel generate planetary gearbox might have as a lot as 332,000 N.m. torque. An additional typical type of planetary gearbox is wheel push. It is similar to a hub, but the outer ring equipment drives the wheels and the sun gear. They are usually combined over a housing to maximize dimensions. 1-stage Helical gears can be employed in bicycles, although a two-stage planetary gear program can deal with up to 113,000 N.m. torque.
The style of a helical planetary geartrain is difficult. It need to comply with several constraints. These constraints relate to the geometrical romantic relationship of the planetary geartrains. This research of the attainable layout space of a Helical geartrain employs geometric layouts. The ring gear, sun, and ring gear have no influence on the ratio of the planetary transmission. Nevertheless, helical geartrains are a excellent selection for several applications.

Spur equipment planetary gearbox

The combination of planetary gears and spur gears in a transmission system is known as a planetary or spur gearbox. The two the planetary equipment and spur equipment have their very own attributes and are utilized in various types of automobiles. They work in a equivalent way, but are constructed in different ways. Below are some crucial variances among the two kinds of gears. Listed underneath are some of the most crucial distinctions among them:
Helical gears: As opposed to spur gears, helical gears create significant axial forces in the gear mesh. They also attribute greater sliding make contact with at the level of tooth get in touch with. The helix angle of a gearbox is usually in the assortment of 15 to 30 degrees. The larger the helix angle, the a lot more axial forces will be transmitted. The axial power in a helical gearbox is greater than that of a spur equipment, which is the cause why helical gears are far more effective.
As you can see, the planetary gearhead has several variations and programs. Nevertheless, you must take treatment in deciding on the number of tooth for your planetary gear method. A five:1 spur equipment drive ratio, for case in point, means that the sun equipment needs to complete five revolutions for each output provider revolution. To accomplish this, you will want to pick a solar equipment with 24 teeth, or five mm for each and every revolution. You may need to know the metric units of the planetary gearhead for it to be suitable with diverse kinds of equipment.
An additional crucial feature of a planetary gearbox is that it does not need all of the spur gears to rotate about the axis of the travel shaft. Rather, the spur gears’ interior enamel are set and the drive shaft is in the identical direction as the output shaft. If you select a planetary gearbox with set inner tooth, you’ll need to have to make sure that it has enough lubrication.
The other substantial variation in between a spur gear and a planetary gearbox is the pitch. A planetary gearbox has a high pitch diameter, although a spur equipment has low pitch. A spur equipment is in a position to handle greater torques, but just isn’t as successful. In addition, its higher torque ability is a large downside. Its effectiveness is comparable to that of a spur gear, but it is much considerably less noisy.
Yet another variation in between planetary and spur equipment motors is their value. Planetary gear motors are inclined to be a lot more high-priced than spur gear motors. But spur gears are cheaper to produce, as the gears themselves are more compact and less difficult. Nevertheless, planetary gear motors are far more efficient and powerful. They can handle decrease torque apps. But every single equipment carries a mounted load, limiting their torque. A spur equipment motor also has fewer inside frictions, so it is usually suited for decrease torque purposes.
An additional distinction between spur gears and planetary gears is their orientation. One spur gears are not coaxial gearboxes, so they are not coaxial. On the other hand, a planetary gearbox is coaxial, meaning its enter shaft is also coaxial. In addition to this, a planetary gearbox is manufactured of two sets of equipment wheels with the exact same orientation. This offers it the ability to achieve concentricity.
Another big difference among spur gears and planetary gears is that a planetary gear has an integer quantity of teeth. This is essential because each and every gear have to mesh with a sun equipment or a ring gear. Additionally, every planet must have a corresponding number of enamel. For every earth to mesh with the sunshine, the tooth have to have a particular distance apart from the other. The spacing amongst planets also matters.
Apart from the dimensions, the planetary gear program is also acknowledged as epicyclic gearing. A planetary gear program has a sun gear in the heart, which serves as the enter gear. This gear has at minimum 3 driven gears. These gears engage with every single other from the inside of and kind an interior spur gear design and style. These gear sets are highly tough and able to change ratios. If preferred, a planetary gear train can be converted to an additional ratio, therefore improving its performance.
One more crucial variation amongst a spur gear and a planetary gearbox is the type of enamel. A spur equipment has tooth that are parallel to the shaft, although a planetary gear has tooth that are angled. This sort of equipment is most suitable for low-speed applications, exactly where torque is needed to go the actuation object. Spur gears also generate noise and can injury equipment teeth because of to repeated collisions. A spur gear can also slip, avoiding torque from reaching the actuation item.