Item Description

Worldwide Regular SZ Series Gearbox For Double Screw Plastic Extruder

Organization Details
     Recognized in 1979, HangZhou Gearbox Producing Co., Ltd.  is found in Nationwide Large-tech Advancement Zone of HangZhou, ZheJiang , China.  With more than 38 years’ knowledge in investigation and improvement of equipment transmission items, the manufacturing facility covers an area of 87,000 square meters.  ISO9001  certified in 1999, we have high certified R&D engineer crew and manufacturing skills as effectively as initial-class processing and screening equipments.

Product Description
     SZ collection cone double-screw extruder gearbox is a special mechanical travel device designed to match with conical double-screw extruder. The gadget decelerates and will increase the torque of the electrical power from learn motor by means of gearbox ahead of exporting it to the lengthy shaft of distribution box that drives quick shaft by means of a pair of slender cone screw equipment with push ratio of 1: 1. Lengthy shaft and quick shaft push limited screw at the identical angel as screw to extrude high-top quality products in the way of distinct course and outward turning.

This collection gearbox is created in accordance to the common of JB / T9050.1_1999. The gears are created of substantial toughness alloy steel. The equipment goes by means of the process of carburizing quenching heat hardening and equipment grinding to obtain the precision of quality 6(GBL0095-88) The whole unit is tiny quantity, higher carry ability, steady travel, minimal sound and higher effectiveness.

 Are you buying and selling business or maker ?
A: We are company.
Q: How extended is your shipping and delivery time?
A: Normally it is within ten days if the merchandise are in inventory, for products made as per purchase, it is inside of 35 times following affirmation of buy.
Q:How long need to I wait for the comments following I send the enquiry?
A: Usually Inside 12 several hours.
Q:What information need to I give you to affirm the product?
A: Product/Dimension, Transmission Ratio, Pace, Shaft directions & Order quantity and many others.
Q: Hong prolonged is your product guarantee?
A:We supply 12 months guarantee from departure date of the items.
Q: What is your payment phrases?
 T/T a hundred% in advance for volume considerably less than USD10000.-, 30% T/T in advance ,equilibrium ahead of shipment for quantity earlier mentioned USD10000.-
  If you have any other queries, you should come to feel cost-free to get in touch with us beneath:
 HOW TO Get in touch with US?
Deliver your Inquiry Information in the Below, click “Send” Now!
Also you can contact us by means of pursuing methods:
Tel: 15358026079
Site: jiangchi2012


The Elements of a Gearbox

There are many areas of a Gearbox, and this post will assist you comprehend its features and factors. Find out about its maintenance and proper treatment, and you will be on your way to restoring your automobile. The complexity of a Gearbox also makes it simple to make errors. Understand about its functions and parts so that you are going to be able to make the ideal options attainable. Read through on to discover far more. Then, get your vehicle completely ready for winter season!


Gearboxes are totally built-in mechanical factors that consist of a series of gears. They also incorporate shafts, bearings, and a flange to mount a motor. The conditions gearhead and gearbox are not frequently utilized interchangeably in the motion business, but they are typically synonymous. Gearheads are open gearing assemblies that are installed in a equipment body. Some newer designs, this kind of as battery-driven cellular models, need tighter integration.
The energy losses in a gearbox can be divided into no-load and load-dependent losses. The no-load losses originate in the equipment pair and the bearings and are proportional to the ratio of shaft speed and torque. The latter is a perform of the coefficient of friction and velocity. The no-load losses are the most serious, given that they symbolize the largest proportion of the complete decline. This is since they boost with speed.
Temperature measurement is yet another critical preventive upkeep exercise. The heat produced by the gearbox can harm parts. Large-temperature oil degrades swiftly at large temperatures, which is why the sump oil temperature need to be monitored periodically. The optimum temperature for R&O mineral oils is 93degC. Nevertheless, if the sump oil temperature is a lot more than 200degF, it can result in seal injury, equipment and bearing wear, and untimely failure of the gearbox.
Irrespective of its dimension, the gearbox is a crucial element of a car’s drivetrain. No matter whether the vehicle is a sports activities car, a luxurious vehicle, or a farm tractor, the gearbox is an essential element of the vehicle. There are two principal types of gearbox: common and precision. Each has its very own rewards and negatives. The most essential thing to consider when selecting a gearbox is the torque output.
The principal shaft and the clutch shaft are the two main components of a gearbox. The major shaft runs at engine pace and the countershaft may possibly be at a reduced pace. In addition to the primary shaft, the clutch shaft has a bearing. The gear ratio decides the sum of torque that can be transferred among the countershaft and the principal shaft. The push shaft also has an additional name: the propeller shaft.
The gears, shafts, and hub/shaft connection are made in accordance to stamina design and style specifications. Based on the software, every part should be in a position to withstand the normal stresses that the system will experience. Frequently, the minimum velocity range is 10 to 20 m/s. Even so, this assortment can vary amongst various transmissions. Usually, the gears and shafts in a gearbox should have an stamina limit that is considerably less than that restrict.
The bearings in a gearbox are regarded put on areas. Even though they must be changed when they wear down, they can be held in services considerably longer than their meant L10 existence. Utilizing predictive maintenance, manufacturers can determine when to change the bearing prior to it damages the gears and other elements. For a gearbox to purpose correctly, it should have all the factors shown earlier mentioned. And the clutch, which permits the transmission of torque, is considered the most critical part.


A gearbox is a totally built-in mechanical component that is composed of mating gears. It is enclosed in a housing that residences the shafts, bearings, and flange for motor mounting. The function of a gearbox is to improve torque and alter the pace of an motor by connecting the two rotating shafts with each other. A gearbox is normally manufactured up of multiple gears that are connected jointly using couplings, belts, chains, or hollow shaft connections. When electrical power and torque are held continual, pace and torque are inversely proportional. The pace of a gearbox is decided by the ratio of the gears that are engaged to transmit power.
The gear ratios in a gearbox are the variety of methods a motor can take to convert torque into horsepower. The quantity of torque required at the wheels is dependent on the working circumstances. A motor vehicle wants much more torque than its peak torque when it is transferring from a standstill. Therefore, the 1st equipment ratio is employed to boost torque and transfer the car ahead. To shift up a gradient, a lot more torque is essential. To sustain momentum, the intermediate equipment ratio is utilized.
As metal-to-metal make contact with is a typical lead to of gearbox failure, it is essential to keep track of the issue of these factors closely. The main emphasis of the proactive collection of assessments is abnormal dress in and contamination, whilst the preventative exams concentrate on oil issue and additive depletion. The AN and ferrous density assessments are exceptions to this rule, but they are employed more for detecting irregular additive depletion. In addition, lubrication is vital to the efficiency of gearboxes.


Every day upkeep is a essential factor of the life cycle of a gearbox. For the duration of maintenance, you should examine all gearbox link elements. Any unfastened or ruined relationship part should be tightened right away. Oil can be analyzed utilizing an infrared thermometer and particle counters, spectrometric investigation, or ferrography. You must verify for extreme put on and tear, cracks, and oil leaks. If any of these factors are unsuccessful, you should exchange them as before long as achievable.
Proper investigation of failure designs is a required part of any preventative routine maintenance system. This examination will help discover the root cause of gearbox failures, as nicely as prepare for potential preventative upkeep. By properly arranging preventative servicing, you can steer clear of the expenditure and inconvenience of fixing or changing a gearbox prematurely. You can even outsource gearbox routine maintenance to a firm whose professionals are knowledgeable in this subject. The outcomes of the examination will help you develop a a lot more effective preventative routine maintenance plan.
It is essential to check out the condition of the gearbox oil periodically. The oil must be transformed according to its temperature and the hours of operation. The temperature is a important determinant of the frequency of oil modifications. Larger temperatures require more recurrent adjustments, and the stage of defense from humidity and water minimizes by 75%. At elevated temperatures, the oil’s molecular construction breaks down a lot more quickly, inhibiting the development of a protecting movie.
Luckily, the gear industry has designed revolutionary technologies and companies that can support plant operators lessen their downtime and guarantee ideal functionality from their industrial gears. Right here are 10 actions to ensure that your gearbox continues to provide its purpose. When you are getting ready for routine maintenance, often maintain in thoughts the adhering to ideas:
Normal vibration investigation is a important component of gearbox upkeep. Increased vibration indicators impending problems. Visually examine the inside gears for indicators of spiraling and pitting. You can use engineers’ blue to verify the get in touch with sample of gear tooth. If there is a misalignment, bearings or housings are worn and need to have substitute. Also make certain the breathers remain thoroughly clean. In soiled applications, this is a lot more tough to do.
Proper lubrication is one more crucial aspect in the life of gearboxes. Proper lubrication stops failure. The oil need to be cost-free of international resources and have the correct quantity of stream. Appropriate lubricant selection relies upon on the kind of equipment, reduction ratio, and input electricity. In addition to oil amount, the lubricant have to be regulated for the dimensions and form of gears. If not, the lubricant must be altered.
Lack of appropriate lubrication minimizes the energy of other gears. Improper routine maintenance minimizes the lifestyle of the transmission. No matter whether the transmission is overloaded or undersized, abnormal vibration can injury the equipment. If it is not appropriately lubricated, it can be damaged past restore. Then, the require for substitution gears might come up. Nevertheless, it is not a time to waste a lot of funds and time on repairs.

China high quality International Standard Sz Series Gearbox for Double Screw Plastic Extruder     with Great qualityChina high quality International Standard Sz Series Gearbox for Double Screw Plastic Extruder     with Great quality