Item Description
S series helical worm gearing reducer
one. Product features
1.1. Flange-mounted with hollow shaft, foot-mounted with hollow shaft, and CZPT torque arm and other particular equipment.
1.2. Large energy, long services daily life.
one.3. To be mixed with various motors for more substantial transmission ratio.
one.4. Carburized gears are tough and highly exact.
1.5. Substantial overload ability and lower noise
1.3. They are widely used in various low-speed transmissions, which are general basic parts of mechanical transmission.
2. Technical parameters
three.Programs
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
four.Our Services
four.1.We provide 12 months Warranty.
four.2. We have thousands of gearbox reducers. From Input Power 0.06KW to 200KW, Ratio 1.3-289.seventy four, Output speed 0-1095rpm and Output torque 1.4-62800Nm…They can meet your all different requirements for different industries.
four.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
five.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.
6. 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-one hundred and five)
Cast iron(For the RV series worm gearbox, model RV110-150, For the NCJ /F/R/S/K series helical gear reducer)
How to Calculate the Diameter of a Worm Gear
In this post, we will discuss the qualities of the Duplex, Solitary-throated, and Undercut worm gears and the examination of worm shaft deflection. In addition to that, we will check out how the diameter of a worm equipment is calculated. If you have any doubt about the purpose of a worm gear, you can refer to the table beneath. Also, keep in head that a worm gear has several critical parameters which figure out its operating.
Duplex worm equipment
A duplex worm gear set is distinguished by its ability to keep exact angles and high equipment ratios. The backlash of the gearing can be readjusted many occasions. The axial situation of the worm shaft can be identified by changing screws on the housing protect. This characteristic permits for lower backlash engagement of the worm tooth pitch with the worm gear. This characteristic is specifically advantageous when backlash is a crucial element when choosing gears.
The common worm equipment shaft demands significantly less lubrication than its dual counterpart. Worm gears are tough to lubricate since they are sliding instead than rotating. They also have much less moving parts and much less points of failure. The disadvantage of a worm equipment is that you are not able to reverse the course of power because of to friction in between the worm and the wheel. Because of this, they are ideal employed in devices that run at minimal speeds.
Worm wheels have enamel that form a helix. This helix creates axial thrust forces, relying on the hand of the helix and the direction of rotation. To handle these forces, the worms need to be mounted securely employing dowel pins, stage shafts, and dowel pins. To prevent the worm from shifting, the worm wheel axis must be aligned with the heart of the worm wheel’s face width.
The backlash of the CZPT duplex worm equipment is adjustable. By shifting the worm axially, the area of the worm with the sought after tooth thickness is in contact with the wheel. As a end result, the backlash is adjustable. Worm gears are an exceptional choice for rotary tables, higher-precision reversing programs, and extremely-minimal-backlash gearboxes. Axial shift backlash is a significant advantage of duplex worm gears, and this characteristic interprets into a basic and rapidly assembly method.
When selecting a equipment set, the measurement and lubrication process will be essential. If you are not mindful, you may well stop up with a destroyed equipment or a single with poor backlash. Thankfully, there are some simple ways to sustain the correct tooth make contact with and backlash of your worm gears, making sure extended-time period reliability and overall performance. As with any equipment established, suitable lubrication will guarantee your worm gears previous for a long time to come.
Solitary-throated worm equipment
Worm gears mesh by sliding and rolling motions, but sliding make contact with dominates at substantial reduction ratios. Worm gears’ effectiveness is constrained by the friction and heat created throughout sliding, so lubrication is essential to sustain ideal performance. The worm and equipment are normally manufactured of dissimilar metals, this sort of as phosphor-bronze or hardened metal. MC nylon, a artificial engineering plastic, is usually utilised for the shaft.
Worm gears are highly effective in transmission of electricity and are adaptable to different sorts of machinery and products. Their low output speed and substantial torque make them a well-liked choice for energy transmission. A single-throated worm gear is easy to assemble and lock. A double-throated worm equipment requires two shafts, a single for each worm equipment. Each styles are successful in large-torque purposes.
Worm gears are commonly utilized in electrical power transmission apps simply because of their reduced velocity and compact style. A numerical model was designed to compute the quasi-static load sharing in between gears and mating surfaces. The influence coefficient technique allows quickly computing of the deformation of the gear surface and neighborhood get in touch with of the mating surfaces. The resultant investigation displays that a solitary-throated worm gear can minimize the sum of vitality required to push an electric motor.
In addition to the dress in caused by friction, a worm wheel can experience added wear. Due to the fact the worm wheel is softer than the worm, most of the wear occurs on the wheel. In fact, the quantity of tooth on a worm wheel need to not match its thread count. A single-throated worm equipment shaft can increase the performance of a equipment by as much as 35%. In addition, it can reduce the expense of working.
A worm gear is utilised when the diametrical pitch of the worm wheel and worm gear are the exact same. If the diametrical pitch of equally gears is the exact same, the two worms will mesh properly. In addition, the worm wheel and worm will be attached to each and every other with a established screw. This screw is inserted into the hub and then secured with a locknut.
Undercut worm gear
Undercut worm gears have a cylindrical shaft, and their tooth are formed in an evolution-like sample. Worms are made of a hardened cemented metal, 16MnCr5. The amount of equipment tooth is established by the stress angle at the zero gearing correction. The enamel are convex in regular and centre-line sections. The diameter of the worm is determined by the worm’s tangential profile, d1. Undercut worm gears are utilised when the number of tooth in the cylinder is large, and when the shaft is rigid sufficient to resist abnormal load.
The heart-line distance of the worm gears is the distance from the worm centre to the outer diameter. This distance affects the worm’s deflection and its basic safety. Enter a particular price for the bearing distance. Then, the software proposes a variety of suited solutions based on the variety of teeth and the module. The desk of answers includes a variety of possibilities, and the chosen variant is transferred to the principal calculation.
A pressure-angle-angle-compensated worm can be created using solitary-pointed lathe instruments or end mills. The worm’s diameter and depth are influenced by the cutter employed. In addition, the diameter of the grinding wheel determines the profile of the worm. If the worm is lower also deep, it will consequence in undercutting. Despite the undercutting danger, the layout of worm gearing is versatile and enables appreciable flexibility.
The reduction ratio of a worm gear is massive. With only a little effort, the worm equipment can considerably reduce velocity and torque. In distinction, conventional equipment sets want to make several reductions to get the identical reduction degree. Worm gears also have numerous negatives. Worm gears can’t reverse the path of electrical power because the friction amongst the worm and the wheel helps make this extremely hard. The worm equipment are unable to reverse the route of energy, but the worm moves from a single course to yet another.
The approach of undercutting is carefully related to the profile of the worm. The worm’s profile will differ dependent on the worm diameter, direct angle, and grinding wheel diameter. The worm’s profile will modify if the producing procedure has taken out material from the tooth foundation. A little undercut minimizes tooth strength and minimizes speak to. For scaled-down gears, a bare minimum of fourteen-1/2degPA gears should be utilized.
Investigation of worm shaft deflection
To examine the worm shaft deflection, we first derived its maximum deflection benefit. The deflection is calculated utilizing the Euler-Bernoulli approach and Timoshenko shear deformation. Then, we calculated the moment of inertia and the location of the transverse segment using CAD software. In our examination, we employed the results of the examination to compare the resulting parameters with the theoretical kinds.
We can use the ensuing centre-line length and worm equipment tooth profiles to compute the essential worm deflection. Making use of these values, we can use the worm gear deflection examination to make sure the correct bearing dimension and worm equipment enamel. Once we have these values, we can transfer them to the major calculation. Then, we can calculate the worm deflection and its protection. Then, we enter the values into the suitable tables, and the ensuing answers are immediately transferred into the principal calculation. However, we have to preserve in head that the deflection value will not be deemed risk-free if it is more substantial than the worm gear’s outer diameter.
We use a 4-phase process for investigating worm shaft deflection. We first apply the finite aspect strategy to compute the deflection and assess the simulation outcomes with the experimentally tested worm shafts. Last but not least, we complete parameter reports with fifteen worm equipment toothings with out taking into consideration the shaft geometry. This phase is the 1st of 4 stages of the investigation. When we have calculated the deflection, we can use the simulation benefits to establish the parameters necessary to enhance the design.
Making use of a calculation technique to estimate worm shaft deflection, we can establish the efficiency of worm gears. There are many parameters to optimize gearing performance, which includes material and geometry, and lubricant. In addition, we can lessen the bearing losses, which are brought on by bearing failures. We can also recognize the supporting technique for the worm shafts in the choices menu. The theoretical part supplies even more details.
