Tag Archives: worm drive screw

China factory NOSEN precision worm screw jack for lifting platform with motor drive with high quality

RN series precision worm gear screw lift detailed information
1.Model:RN-0.5T,RN-1T,RN-2T,RN-3T,RN-5T,RN-10T,RN-15T,RN-20T,RN-30T,RN-40T,RN-50T,RN-100T2.Function: precisely controlled lifting,lowering,pushing,pulling and rolling movements3.Self locking trapezoidal screw,heavy duty,precision accuracy,low efficiency,use infrequently4.Arrangement: single units,in pairs or multiple jacks systems,fully synchronization5.Power Source: electrically,manually or both
6.Did Projects:
Sluice gate in hydroelectric dam Powered straightenersPrecision levelersSolar tracking jack systemsLarge satellite dish antenna movementsSlitting lineRoll forming machinesTunnel freezer systemsOven liftersVacuum CZPT lid liftersConveyor liftsAir dampersTheatre stagesGlass charging machinesSteel manufacturing millsCold/Hot rolling mills,All tube mills

screw jack

RN Series screw jack, named CZPT screw jack, self locking CZPT screw without braking mechanism,
the best phosphor bronze worm gear, heavy load taper roll bearing, load capacity from 0.5 to 100 ton
as our standard. Long traval stroke up to 6500 mm, 12 kinds of models for your selection.
*selection CZPT of RN screw jack

*RN screw jack features


RN-0.5T ,1T,2T, New Product Hot Selling 42535254 Drive Shaft Center Support Bearing For NAVECO 3T,5T,10T,15T,20T,30T,40T,50T,100T

Load Capacity

Travel Stroke

Screw Type
Translating Screw,Keyed Screw ,Rotating Screw

Self-Locking Trapezoidal Screw,Worm Gear,Worm Shaft,Taper Roll Bearing,Housing Grease Oil Sealing etc

Top End
Top Plate ,Clevis End ,Threaded End ,Plain End and U head

Lifting,Lowering,Pushing,Pulling and Rolling Linear Motions

Single Unit ,In Pairs or Multi-Units Arrangement Available

NOSEN Advantages:
1.Only produce screw jack,bevel gearbox power transsmission products .In China ,only 1
2.the most reliable,the lowest cost and the most complete lifting solutions.Supply a complete set screw jack system,clients don’t need to find other accessories .
3.The best per-sale service .
NOSEN engineers help clients consider all the safety factors,select correct models step by step with clients’ engineers.Autocad &PDF drawing and layout for clients’ engineers reference
4.The best after-sale service :
Expert sales teams ,familiar with I&E regulation ,ensure goods shipment smoothly.We follow up the exported goods from time to time, Cheap Hot Sale Top Quality Boat Motor Outboard Engine 6b4-45501-10 Outboard Engine Drive Shaft and make a report for monthly meeting.During warranty period ,any probiem of “NOSEN” products ,after we comfirmed we will ship a new 1 to replace .

1,Stamping fastening device lifting platform, rolling devices, Test instrument lifting platform.
2,Flapper adjustments, Transport pipes or plate position adjustment.
3,Adjustment thin film thickness of plastic machine.
4,Height adjustment of roller systems on a conveyor system.
5,Opening and closing of high temperature furnaces
6,Adjustment the height of plastic containers blown machinery mould
7,Demolding of cast concrete models or molds.
8,Lifting stage, Adjustment the height of Operating table and swimming pool.
9,Lifting and lowering of Sluice gates
10, Adjustment of satellite dishes. Adjustment for solar plant stand

Related Products
Hope 1 of the products below appeals to you

Packaging & ShippingTrade infoTrade terms:CIF FOB EXW
Payment Terms: L/C,T/T Western Union
Delivery Time:5-7working days after deposit.
Packaging Detail:Standard exporting package
Shipping: By sea,by air and by express delivery


Q: Why choose NOSEN ?
A:1.Professional Mechanical manufacture for years with full experience .
2.Own factory, you could share direct factory price,
3. Quality guaranteed by our QC.

Q:What paying methods do you accept?
A: LC, T/T ,Western Union and MoneyGram

Q:What ‘s the time of delivery?
A:It’s subject to your order quantity and our production schedule,
Usually,3-15 working days for production after receipt of payments

Q: What is your guarantee period?
A: NOSEN provides 1 (one) year quality guarantee for the products from your purchase date,
except the human damage and force manure factor.

Company InformationNosen company has 10 years experience in this line , Best Price Singapore Supplier CV Joint Drive Shafts For Wholesale Wheel Hub CV Joint FORTUNER 30-72.5-29
Have accumulated our special experieneand methods to control the quality through the whole process.

The customized service we provide has helped our worldwide customers solve lots of problems.
You can find more information of us website :

>Company profile

NOSEN M&E Technology Co.,Ltd was established in 2003 ,Our products have been widely used in the Middle East,Europe , Southeast Asia ,USA and so on.
High quality and reasonable price is our way to show respect to our customers.We have passed “ISO9001:2008 Quality Management System”and we got SGS ,Utility Model Patent Certificate .

Our ServicesPre-sale services:

NOSEN engineers help clients consider all safety factors, select correct models step by step ,
Auto Cad & PDF drawing and layout for clients’ engineers reference.
(With High quality ,reasonable price and excellent services )
After-sale service:

Expert sales teams, familiar with I&E regulation, ensure goods shipment smoothly.
Follow up the exported goods from time to time, and make a report for monthly meeting.

During warranty period, any problem of “NOSEN” products, after we confirmed, we will ship a new 1 to replace.

Contact Info NOSEN M&E TECHNOLOGY CO.,LTDXinhaoyuan Industrial Park,Xitou,Houjie,HangZhou,ZheJiang ,ChinaT: 86 769 88771988/88773988F: 86 769 85644652 M:86~13 0571 88828 13858117778827261279Web: http:// .cn
PS: Any questions or special requirements, Sauer TMG51.2 TMG61.2 Planetary Gearbox For Concrete Mixer please feel free to contact us !

Your success is our business!

Worm Gear Motors

Worm gear motors are often preferred for quieter operation because of the smooth sliding motion of the worm shaft. Unlike gear motors with teeth, which may click as the worm turns, worm gear motors can be installed in a quiet area. In this article, we will talk about the CZPT whirling process and the various types of worms available. We’ll also discuss the benefits of worm gear motors and worm wheel.
worm shaft

worm gear

In the case of a worm gear, the axial pitch of the ring pinion of the corresponding revolving worm is equal to the circular pitch of the mating revolving pinion of the worm gear. A worm with one start is known as a worm with a lead. This leads to a smaller worm wheel. Worms can work in tight spaces because of their small profile.
Generally, a worm gear has high efficiency, but there are a few disadvantages. Worm gears are not recommended for high-heat applications because of their high level of rubbing. A full-fluid lubricant film and the low wear level of the gear reduce friction and wear. Worm gears also have a lower wear rate than a standard gear. The worm shaft and worm gear is also more efficient than a standard gear.
The worm gear shaft is cradled within a self-aligning bearing block that is attached to the gearbox casing. The eccentric housing has radial bearings on both ends, enabling it to engage with the worm gear wheel. The drive is transferred to the worm gear shaft through bevel gears 13A, one fixed at the ends of the worm gear shaft and the other in the center of the cross-shaft.

worm wheel

In a worm gearbox, the pinion or worm gear is centered between a geared cylinder and a worm shaft. The worm gear shaft is supported at either end by a radial thrust bearing. A gearbox’s cross-shaft is fixed to a suitable drive means and pivotally attached to the worm wheel. The input drive is transferred to the worm gear shaft 10 through bevel gears 13A, one of which is fixed to the end of the worm gear shaft and the other at the centre of the cross-shaft.
Worms and worm wheels are available in several materials. The worm wheel is made of bronze alloy, aluminum, or steel. Aluminum bronze worm wheels are a good choice for high-speed applications. Cast iron worm wheels are cheap and suitable for light loads. MC nylon worm wheels are highly wear-resistant and machinable. Aluminum bronze worm wheels are available and are good for applications with severe wear conditions.
When designing a worm wheel, it is vital to determine the correct lubricant for the worm shaft and a corresponding worm wheel. A suitable lubricant should have a kinematic viscosity of 300 mm2/s and be used for worm wheel sleeve bearings. The worm wheel and worm shaft should be properly lubricated to ensure their longevity.

Multi-start worms

A multi-start worm gear screw jack combines the benefits of multiple starts with linear output speeds. The multi-start worm shaft reduces the effects of single start worms and large ratio gears. Both types of worm gears have a reversible worm that can be reversed or stopped by hand, depending on the application. The worm gear’s self-locking ability depends on the lead angle, pressure angle, and friction coefficient.
A single-start worm has a single thread running the length of its shaft. The worm advances one tooth per revolution. A multi-start worm has multiple threads in each of its threads. The gear reduction on a multi-start worm is equal to the number of teeth on the gear minus the number of starts on the worm shaft. In general, a multi-start worm has two or three threads.
Worm gears can be quieter than other types of gears because the worm shaft glides rather than clicking. This makes them an excellent choice for applications where noise is a concern. Worm gears can be made of softer material, making them more noise-tolerant. In addition, they can withstand shock loads. Compared to gears with toothed teeth, worm gears have a lower noise and vibration rate.
worm shaft

CZPT whirling process

The CZPT whirling process for worm shafts raises the bar for precision gear machining in small to medium production volumes. The CZPT whirling process reduces thread rolling, increases worm quality, and offers reduced cycle times. The CZPT LWN-90 whirling machine features a steel bed, programmable force tailstock, and five-axis interpolation for increased accuracy and quality.
Its 4,000-rpm, 5-kW whirling spindle produces worms and various types of screws. Its outer diameters are up to 2.5 inches, while its length is up to 20 inches. Its dry-cutting process uses a vortex tube to deliver chilled compressed air to the cutting point. Oil is also added to the mixture. The worm shafts produced are free of undercuts, reducing the amount of machining required.
Induction hardening is a process that takes advantage of the whirling process. The induction hardening process utilizes alternating current (AC) to cause eddy currents in metallic objects. The higher the frequency, the higher the surface temperature. The electrical frequency is monitored through sensors to prevent overheating. Induction heating is programmable so that only certain parts of the worm shaft will harden.

Common tangent at an arbitrary point on both surfaces of the worm wheel

A worm gear consists of two helical segments with a helix angle equal to 90 degrees. This shape allows the worm to rotate with more than one tooth per rotation. A worm’s helix angle is usually close to 90 degrees and the body length is fairly long in the axial direction. A worm gear with a lead angle g has similar properties as a screw gear with a helix angle of 90 degrees.
The axial cross section of a worm gear is not conventionally trapezoidal. Instead, the linear part of the oblique side is replaced by cycloid curves. These curves have a common tangent near the pitch line. The worm wheel is then formed by gear cutting, resulting in a gear with two meshing surfaces. This worm gear can rotate at high speeds and still operate quietly.
A worm wheel with a cycloid pitch is a more efficient worm gear. It reduces friction between the worm and the gear, resulting in greater durability, improved operating efficiency, and reduced noise. This pitch line also helps the worm wheel engage more evenly and smoothly. Moreover, it prevents interference with their appearance. It also makes worm wheel and gear engagement smoother.
worm shaft

Calculation of worm shaft deflection

There are several methods for calculating worm shaft deflection, and each method has its own set of disadvantages. These commonly used methods provide good approximations but are inadequate for determining the actual worm shaft deflection. For example, these methods do not account for the geometric modifications to the worm, such as its helical winding of teeth. Furthermore, they overestimate the stiffening effect of the gearing. Hence, efficient thin worm shaft designs require other approaches.
Fortunately, several methods exist to determine the maximum worm shaft deflection. These methods use the finite element method, and include boundary conditions and parameter calculations. Here, we look at a couple of methods. The first method, DIN 3996, calculates the maximum worm shaft deflection based on the test results, while the second one, AGMA 6022, uses the root diameter of the worm as the equivalent bending diameter.
The second method focuses on the basic parameters of worm gearing. We’ll take a closer look at each. We’ll examine worm gearing teeth and the geometric factors that influence them. Commonly, the range of worm gearing teeth is one to four, but it can be as large as twelve. Choosing the teeth should depend on optimization requirements, including efficiency and weight. For example, if a worm gearing needs to be smaller than the previous model, then a small number of teeth will suffice.

China factory NOSEN precision worm screw jack for lifting platform with motor drive  with high qualityChina factory NOSEN precision worm screw jack for lifting platform with motor drive  with high quality

Quality teco servo motor catalog Custom made in China – replacement parts – in Ahvaz Iran Chinese Jwm 300 300 Kn Worm Drive Screw Lift, 30-Tons Lifts Elevator Screw up to 6000 mm, Efficient, Favorable Price, in Stock and Fast Delivery with top quality

Quality teco servo motor catalog Custom  made in China - replacement parts -  in Ahvaz Iran   Chinese Jwm 300 300 Kn Worm Drive Screw Lift, 30-Tons Lifts Elevator Screw up to 6000 mm, Efficient, Favorable Price, in Stock and Fast Delivery with top quality

We – EPG Group the most significant worm gearbox, couplings and gears factory in China with 5 different branches. For much more particulars: Cell/whatsapp/telegram/Kakao us at: 0086~13083988828 13858117778083988828 /

Screw jacks as linear movement drives, are appliable anywhere controllable, increasing, decreasing, pushing, pressing, tilting, swivelling and related movement sequences involving positioning, with millimetre accuracy, are to be carried out, in a constantly variable (i.e. stepless) fashion, i.e. where rotational actions have to be converted into linear actions. Below, it is insignificant whether or not the linear movements consider location horizontally, vertically, for pushing or pulling. Difficulty-free of charge performing is confirmed in all set up positions. The benefits of the screw jacks with trapezoidal thread spindles and nuts as in contrast to other methods are, for case in point, in the self-loc ept characteristic, presented from the layout, when the travel is at standstill, and the nominal routine maintenance complexity. Screw jacks are shut generate concepts, in a compact development, sturdy, influence-damping and silent. High quality Chinese JWM 300 300 kN worm travel screw elevate, 30-tons lifts elevator screw up to 6000 mm, efficient, favorable cost, in stock and quick supply.

one. Highest static load potential 300 kN.
two. Worm screw measurements Tr 85×16.
three. Gear ratio ten-2/3:1, 32:1.
four. Personalized-produced stroke, travel length up to 6000mm.
5. Screw finish types: prime plate, clevis stop, threaded stop, plain end, forked head and rod conclude.
six. Translating screw,  Anti-rotation keyed screw and Rotating screw with travel nut configurations.
seven. Electrical power source: Operated manually or with air, hydraulic or electric powered motors.
8. Can be employed individually, in tandem or in multiple preparations.
nine. Development of these units is obtainable in common materials or corrosion resistant eg comprehensive stainless metal worm equipment screw jacks.


Drawing Dimensions

Shipment and Pac ept Pictures 
1. ept freight: seaport to seaport, price tag terms CIF, FOB, EXW, CFR and many others.
two. Air freight: airport to airport, cost conditions EXW, CRF and so on.
3. Air courier: DHL, FEDEX, UPS, TNT door to door cargo, price tag conditions DDU, CPT etc.
a hundred% normal exporting plywood cases. 
Notice: Intercontinental Exporting Standard Wood Materials with Totally free Fumigation.

Positive aspects
1. International common supplies for All ept brand merchandise. We insist on choosing brand suppliers to provide the higher good quality raw resources to manage the creating method. Optimization consistently the manufacturing processes, inspecting in each and every website link and controlling production internet site.
2. a hundred% high quality assured with double quality inspections. The good quality inspection by top quality inspectors from processing to finished goods as the initial time. Just before packing, the corresponding sales engineers have to inspect the orders following the paper drawings, buy portions and particular markings in the invoice or revenue contracts as the 2nd time. After that, fill in the inspection report with signature and business stamp.
three. one hundred% basic safety transportation. Pac ept with powerful normal export plywood situations materials (cost-free fumigation), inner pac ept with epe foams to prevent products swaying and outer pac ept with iron sheets and fasteners to fasten the deals.
four. Internationl revenue engineers have skilled information and capabilities on our regular items and provider. They have enough potential to resolve the standard technological issue immediately whatever by telephone, on-line chat, encounter to encounter communications.
5. All the common items with 2nd CAD Drawings (PDF, DWG and DXF formats), and 3D CAD Designs (Phase, STP, Design, IGS, PRT and CATParT formats).
6. Custom design offered, OEM provider available, Free of charge engineering suggestions, Free prices available and Buyer label available.
7. Inspection equipments contain motor with inverter generate method, height adjustmemt motorized lifting technique, coordinate measuring equipment, outdoors micrometers, within micrometers, depth calipers, vernier calipers, electronic calipers, hardness testers, electronic noise meters, industrial infrared thermometers, digital pace measuring devices, electronic multimeters, and substantial precision clamp digital ammeter and so on. 
eight. Processing with contemporary superior machines this kind of as CNC gear hobbing devices, CNC flank grinding machines, CNC cylindrical grinding equipment, multi-axis CNC milling devices, CNC lathes and other folks equipments.

Concluded Assignments
1. Theatrical answers stage and orchestra system lifts assignments. Consumers are from France, Australia, Netherlands, United Kingdom, Spain and Canada. 
2. Hydroelectric energy station assignments and h2o conservancy initiatives. Clients are from Vietnam, Australia, Malaysia, Russian Federation, Nepal, Pakistan, Belgium, United States and United Kingdom. 
three. Plane routine maintenance platforms and doc ept techniques assignments. Customers are from Pakistan, Singapore and United Arab Emirates.  
4. Photo voltaic panel trac ept program projects. Customers are from Spain, India and Canada. 
five. Bolted steel storage tanks and silos lifting solutions. Buyers are from South Africa, United States, Mexico, Russian Federation, Brazil and Vietnam. 
six. Dish antenna elevation and azimuth positioning initiatives. Customers are from Singapore, Malaysia and United States. 
7. Railway wagon initiatives. Consumers are from South Africa. 
8. Beverage can production lines. Customers are from Netherlands, United States, Thailand and Indonesia. 
nine. Steel factories manufacturing traces. Clients are from Iran, United States and Turkey. 
10. Ongoing PU sandwich panel generation strains. Customers are from Thailand and United Kingdom.  

Buyers Regions(International locations)
1. American Nations around the world: United States, Mexico, Canada, Chile, Xihu (West Lake) Dis.by means of, Brazil, Colombia, Dominican Republic, Honduras, Costa Rica, Panama, Puerto Rico, Jamaica, Trinidad and Tobago, Aruba, Argentina, Peru, Venezuela.
2. European Nations around the world: Russia, Germany, Turkey, France, United Kingdom, Italy, Spain, Ukraine, Poland, Romania, Netherlands, Belgium, Greece, Czech Republic, Portugal, Sweden, Hungary, Belarus, Austria, Switzerland, Bulgaria, Denmark, Finland, Slovakia, Norway, Ireland, Croatia, Georgia, Armenia, Lithuania, Slovenia, Estonia, Cyprus, Luxembourg, Iceland.
3. Asian Nations: Malaysia, Indonesia, Singapore, Pakistan, Philippines, Vietnam, United Arab Emirates, Thailand, Saudi Arabia, Iran, Turkey, India, Nepal, Yemen, ZheJiang , Sri Lanka, Israel, Jordan, Kuwait, Qatar.
4. Oceanian International locations: Australia, New Zealand, Fiji.
5. African Nations: South Africa, Egypt, Ethiopia, Nigeria, Kenya, Tanzania. 

Goods List
one. Handbook Screw Jacks, Electric powered Screw Jacks.
two. Screw Jacks Sequence: JT series acme screw jacks, JTC sequence cubic screw jacks, JTW series equipment screw jacks, JTM series worm screw jacks, JTB series ball screw jacks, JTD series cubic ball screw jacks, JSS collection stainless steel screw jacks, JTS series bevel gear screw jacks, Non-standard sequence screw jacks. 
three. Bevel Gearboxes Series: JT sequence bevel gearboxes, JTP sequence cubic bevel gearboxes, JTA sequence aluminum bevel gearboxes, JTH series hollow shaft bevel gearboxes, BSS series stainless steel bevel gearboxes.  
four. Lifting Systems and Programs Equipment: two-jacks techniques, three-jacks systems, 4-jacks programs, six-jacks systems, 8-jacks techniques. Equipment cover couplings, common joints, cardan shafts, connecting shafts, electrical motors, geared motors and reducers, hand wheel with crank handles, pillow block bearings, flange block bearings, rod stop bearings, stop nuts, limit switches, protection nut, travel nuts, linear shafts and bearings, linear guides and bearings, telescopic spring handles, bellows boot, protective tube, trunnion adapter plates, trunnion mounting brackets, motor flanges, rotary encoders, potentiometers, frequency inverters and position indicators etc.
five. Electric powered Linear Actuators Series: Parallel weighty responsibility linear actuators, In-line heavy responsibility linear actuators.
6. Geared Motors and Speed Reducers Collection: helical gearmotors R series, helical bevel gearmotors K series, parallel shaft helical gearmotors F series, helical worm gearmotors S series, small AC equipment motor collection and worm gear motor reducer series.

Get in touch with Details
ept ept Co.,Ltd (VAT No.: 9144190007026567X3, registered Funds 500000CNY) is a leading manufacturer and provider of Screw Jacks (Mechanical Actuators), Bevel Gearboxes, Lifting Methods, Electric Linear Actuators, Gearmotors and Speed Reducers, and Other folks Linear Motion and Electrical power Transmission Items in China. We are Alibaba, Manufactured-In-China and SGS (Serial NO.: QIP-ASI192186) audited maker and supplier. We also have a strict top quality program, with senior engineers, knowledgeable expert staff and practiced revenue groups, we consistently provide the large quality equipments to satisfy the clients electro-mechanical actuation, lifting and positioning requirements. ept ept ensures top quality, reliability, overall performance and benefit for present day demanding industrial programs.
Website (English):  g. CASE® and John Deere® are for reference functions only and for indicating solution use and compatibility. Our business and the listed replacement areas contained herein are not sponsored, approved, or produced by the OEM. /

Quality teco servo motor catalog Custom  made in China - replacement parts -  in Ahvaz Iran   Chinese Jwm 300 300 Kn Worm Drive Screw Lift, 30-Tons Lifts Elevator Screw up to 6000 mm, Efficient, Favorable Price, in Stock and Fast Delivery with top quality

Quality teco servo motor catalog Custom  made in China - replacement parts -  in Ahvaz Iran   Chinese Jwm 300 300 Kn Worm Drive Screw Lift, 30-Tons Lifts Elevator Screw up to 6000 mm, Efficient, Favorable Price, in Stock and Fast Delivery with top quality