China factory S Series Helical Worm Gearing Reducer with Good quality

Merchandise Description

S series helical worm gearing reducer

1. Product features

one.1. Flange-mounted with hollow shaft, foot-mounted with hollow shaft, and CZPT torque arm and other particular add-ons.
1.2. Massive toughness, long support daily life.
1.3. To be merged with various motors for bigger transmission ratio.
1.4. Carburized gears are durable and very precise.
1.5. Higher overload potential and minimal sounds

one.3. They are widely used in various low-speed transmissions, which are general basic parts of mechanical transmission. 

2. Technical parameters


HangZhou XG Transmission Gearbox reducer are widely used in :
Ceramic Industry
Glass Industry
Food Industry
Metallurgy Industry
Beer& Drink Industry
Printing and dyeing Industry
Textile Industry
Warehouse Logoistics Industry
Wood working Machinery
environmental protection equipment Industry
Leather Industry
Pharmacy Industry
4.Our Services

4.1.We provide 12 months Warranty.
4.2. We have thousands of gearbox reducers. From Input Power 0.06KW to 200KW, Ratio 1.3-289.74, Output speed 0-1095rpm and Output torque 1.4-62800Nm…They can meet your all different requirements for different industries.
4.3. We provide E-catalog or Paper catalog,so you can select the model easily according to your requirements 
four.4.You are welcome to visit our factory to check our products,we can help you to book the hotel or ticket
five.Company Information

5.1.Our Company: 
The Predecessor for ZheJiang  Starshine Drive CO.,Ltd (originally called HangZhou Xingguang Transmission Machinery CO.,Ltd) State-owned military mould enterpriese which established in 1965.
Starshine is located in HangZhou,China and the factory covers an area of about 25000 square meters.
Production Capacity:more than half a million sets of speed reducer per year.
5.2.Our People: 
The company has a strong technical force. It has more than 400 employees at present, including more than 40 engineering technicians and 10 experts and senior engineers enjoying special allowances of the State Council. 

five.3. Our Certificates:
Passed ” ISO 9001 International Quality System Certificate”, “International Quality Credit AAA++ Ceritifacte” ,  ” Swiss SGS Certificate”, Iconic Brand in Chinese Electromechanical Industry”, “Famous Brand of ZheJiang  Province”, “Non-public Scientific and Technological Enterprise in ZheJiang  Province”, “National High and New-tech Enterprise”, “TOP 50 in Chinese Gear Industry” “2011 HangZhou Engineering and Technological R&D Center” and so on.

six. FAQ
Q:Are you a trading  company or manufacturer?
A: The predecessor of HangZhou XG-TRANSMISSION Machinery Co., Ltd is State-owned Xingguanggong Mold Factory, a state-owned military industrial enterprise established in 1965. It completed reform in 2002. Since reform, the company has developed rapidly. It took the lead in passing ISO9001 International Quality System Certificate and International Quality Credit AAA++ Certificate in 2004, and Swiss SGS Certificate in 2009. It has won such titles as “Iconic Brand in Chinese Electromechanical Industry”, “Famous Brand of ZheJiang  Province”, “Non-public Scientific and Technological Enterprise in ZheJiang  Province”, “National High and New-tech Enterprise”, and “Tope 50 in Chinese Gear Industry” successively

Q:Where do you base?
A: We are in HangZhou,ZheJiang ,China. We have two factories,New factory is in Xihu (West Lake) Dis. district,HangZhou,China and the old one is in CHangZhou District,HangZhou,China.

Q:What kinds of gearbox can you produce for us?
A:Main products of our company: JWB-X series mechanical continuously variable transmission, RV series worm gear reducer, B/JXJ cycloidal pin gear speed reducer, NCJ series gear reducer, and R, S, K, and F series helical-tooth reducer, more than one hundred models and thousands of specifications.

Q:What are the application of the gearbox?
A:Products are widely used in ceramic, glass, food, metallurgy, beer & drink, printing and dyeing, textile, petrochemical engineering, warehouse logistics, wood-working machine, environmental protection equipment, printing and packaging, pharmacy, and leather. Products are sold in some countries and regions, such as Europe, America, and Southeast Asia, and it possesses dozens of distributors and after-sale service agents.

Q:What is the material you use?
A: Aluminum case ( For the RV series worm gearbox,model RV030-a hundred and five)
   Cast iron(For the RV series worm gearbox, model RV110-one hundred fifty, For the NCJ /F/R/S/K series helical gear reducer)

An Overview of Worm Shafts and Gears

This article offers an overview of worm shafts and gears, including the variety of toothing and deflection they experience. Other matters lined contain the use of aluminum as opposed to bronze worm shafts, calculating worm shaft deflection and lubrication. A thorough knowing of these issues will help you to design and style much better gearboxes and other worm equipment mechanisms. For even more info, make sure you pay a visit to the connected websites. We also hope that you will uncover this post informative.
worm shaft

Double throat worm gears

The pitch diameter of a worm and the pitch of its worm wheel must be equal. The two sorts of worm gears have the exact same pitch diameter, but the difference lies in their axial and round pitches. The pitch diameter is the length among the worm’s tooth alongside its axis and the pitch diameter of the larger gear. Worms are manufactured with left-handed or appropriate-handed threads. The lead of the worm is the distance a stage on the thread travels for the duration of one particular revolution of the worm gear. The backlash measurement need to be produced in a number of different places on the gear wheel, as a huge volume of backlash implies tooth spacing.
A double-throat worm gear is designed for substantial-load purposes. It gives the tightest relationship among worm and gear. It is essential to mount a worm equipment assembly correctly. The keyway design and style demands numerous details of contact, which block shaft rotation and help transfer torque to the gear. Following identifying the spot of the keyway, a hole is drilled into the hub, which is then screwed into the gear.
The twin-threaded design of worm gears makes it possible for them to stand up to weighty masses without slipping or tearing out of the worm. A double-throat worm gear gives the tightest connection amongst worm and equipment, and is therefore perfect for hoisting purposes. The self-locking mother nature of the worm gear is one more advantage. If the worm gears are designed well, they are excellent for reducing speeds, as they are self-locking.
When picking a worm, the amount of threads that a worm has is essential. Thread starts figure out the reduction ratio of a pair, so the higher the threads, the better the ratio. The exact same is real for the worm helix angles, which can be a single, two, or 3 threads prolonged. This may differ among a single thread and a double-throat worm gear, and it is crucial to contemplate the helix angle when deciding on a worm.
Double-throat worm gears vary in their profile from the true gear. Double-throat worm gears are specifically useful in apps in which sound is an issue. In addition to their reduced noise, worm gears can soak up shock masses. A double-throat worm equipment is also a well-liked selection for many various varieties of applications. These gears are also typically employed for hoisting equipment. Its tooth profile is various from that of the real equipment.
worm shaft

Bronze or aluminum worm shafts

When selecting a worm, a couple of things need to be retained in mind. The substance of the shaft should be either bronze or aluminum. The worm alone is the primary element, but there are also addendum gears that are obtainable. The complete quantity of teeth on both the worm and the addendum gear must be higher than forty. The axial pitch of the worm requirements to match the round pitch of the bigger equipment.
The most common content utilised for worm gears is bronze due to the fact of its appealing mechanical houses. Bronze is a broad time period referring to various copper alloys, like copper-nickel and copper-aluminum. Bronze is most frequently created by alloying copper with tin and aluminum. In some circumstances, this mix generates brass, which is a equivalent metal to bronze. The latter is significantly less high-priced and suited for gentle masses.
There are numerous rewards to bronze worm gears. They are sturdy and tough, and they provide exceptional put on-resistance. In contrast to metal worms, bronze worm gears are quieter than their counterparts. They also call for no lubrication and are corrosion-resistant. Bronze worms are well-known with tiny, light-weight-fat machines, as they are effortless to maintain. You can read through a lot more about worm gears in CZPT’s CZPT.
Though bronze or aluminum worm shafts are the most common, each materials are similarly suited for a range of applications. A bronze shaft is typically called bronze but might truly be brass. Historically, worm gears have been created of SAE 65 gear bronze. Nonetheless, newer materials have been launched. SAE 65 gear bronze (UNS C90700) remains the preferred substance. For substantial-quantity purposes, the materials cost savings can be considerable.
Equally types of worms are primarily the exact same in dimensions and form, but the guide on the still left and right tooth surfaces can range. This enables for exact adjustment of the backlash on a worm without having altering the centre length between the worm gear. The different sizes of worms also make them easier to manufacture and keep. But if you want an specially little worm for an industrial application, you should think about bronze or aluminum.

Calculation of worm shaft deflection

The centre-line length of a worm equipment and the number of worm enamel perform a vital role in the deflection of the rotor. These parameters ought to be entered into the instrument in the very same units as the main calculation. The chosen variant is then transferred to the major calculation. The deflection of the worm equipment can be calculated from the angle at which the worm tooth shrink. The pursuing calculation is valuable for designing a worm equipment.
Worm gears are broadly utilized in industrial purposes because of to their substantial transmittable torques and huge equipment ratios. Their hard/delicate content blend helps make them ideally suited for a wide selection of applications. The worm shaft is typically produced of situation-hardened steel, and the worm wheel is fabricated from a copper-tin-bronze alloy. In most situations, the wheel is the area of make contact with with the gear. Worm gears also have a low deflection, as large shaft deflection can impact the transmission accuracy and boost dress in.
An additional strategy for deciding worm shaft deflection is to use the tooth-dependent bending stiffness of a worm gear’s toothing. By calculating the stiffness of the person sections of a worm shaft, the stiffness of the whole worm can be established. The approximate tooth spot is revealed in figure 5.
An additional way to estimate worm shaft deflection is by utilizing the FEM technique. The simulation device utilizes an analytical design of the worm equipment shaft to establish the deflection of the worm. It is based mostly on a two-dimensional design, which is much more ideal for simulation. Then, you need to enter the worm gear’s pitch angle and the toothing to estimate the greatest deflection.
worm shaft

Lubrication of worm shafts

In get to shield the gears, worm drives call for lubricants that supply excellent anti-use safety, substantial oxidation resistance, and low friction. Although mineral oil lubricants are extensively employed, synthetic base oils have far better performance traits and decrease running temperatures. The Arrhenius Rate Rule states that chemical reactions double each and every 10 levels C. Artificial lubricants are the best decision for these applications.
Synthetics and compounded mineral oils are the most well-liked lubricants for worm gears. These oils are formulated with mineral basestock and 4 to six percent artificial fatty acid. Surface area-active additives give compounded equipment oils outstanding lubricity and avert sliding wear. These oils are suited for substantial-pace programs, including worm gears. Nevertheless, artificial oil has the drawback of becoming incompatible with polycarbonate and some paints.
Artificial lubricants are expensive, but they can increase worm equipment efficiency and running daily life. Synthetic lubricants generally fall into two types: PAO synthetic oils and EP artificial oils. The latter has a increased viscosity index and can be used at a assortment of temperatures. Synthetic lubricants typically incorporate anti-dress in additives and EP (anti-put on).
Worm gears are frequently mounted above or below the gearbox. The correct lubrication is important to guarantee the appropriate mounting and procedure. Quite often, insufficient lubrication can result in the unit to fail faster than envisioned. Because of this, a technician might not make a link among the lack of lube and the failure of the unit. It is critical to stick to the manufacturer’s recommendations and use large-good quality lubricant for your gearbox.
Worm drives lessen backlash by reducing the perform among equipment teeth. Backlash can result in harm if unbalanced forces are released. Worm drives are lightweight and durable because they have minimal shifting parts. In addition, worm drives are lower-sounds and vibration. In addition, their sliding motion scrapes away excessive lubricant. The continual sliding motion generates a substantial sum of heat, which is why outstanding lubrication is critical.
Oils with a large movie strength and outstanding adhesion are best for lubrication of worm gears. Some of these oils have sulfur, which can etch a bronze equipment. In buy to steer clear of this, it is critical to use a lubricant that has substantial film energy and stops asperities from welding. The perfect lubricant for worm gears is 1 that gives exceptional film energy and does not include sulfur.

China factory S Series Helical Worm Gearing Reducer     with Good qualityChina factory S Series Helical Worm Gearing Reducer     with Good quality

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