Chinese aluminium behuizing RV-wormwielkasten met 20cr wormwiel en Cusn10-1 wiel, dubbele wormwielkast

Oplossingsbeschrijving

 

Artikelomschrijving

Primary Attributes:
1) Created of high top quality aluminum alloy, gentle fat and non-rusting
2) Big output torque and large radiating effectiveness
three) Clean managing and low noise, can perform long time in dreadful problem
4) Great-searching physical appearance, tough service daily life and little volume
5) Suited for omnibearing set up
Belangrijkste materialen:
one)housing:aluminium alloy ADC12(measurement 571-090) die cast iron HT200(size one hundred ten-one hundred fifty)
2)Worm:20Cr, ZI Involute profile carbonize&quencher heat therapy make gear area hardness up to fifty six-sixty two HRC Following precision grinding, carburization layer’s thickness between .3-.5mm.
3)Worm Wheel:wearable stannum alloy CuSn10-one
Mixmogelijkheden:
Enter:with input shaft, With square flange,With IEC standard input flange
Output:with torque arm, output flange, one output shaft, double output shaft, plastic cover
Worm reducers are available with diffferent combos: NMRV+NMRV, NMRV+NRV, NMRV+Pc, NMRV+UDL, NMRV+MOTORS

Gedetailleerde foto's

Productparameters

 Oud model        Nieuw model     Verhouding     Hartafstand  Elektrische energie Voer Dia in.  Uitgangsdiameter.    Uitgangskoppel Vet
RV571     7.5~100   25 mm   0,06 kW tot 0,12 kW  Φ9 Φ11 21 N.m  0,7 kg
RV030 RW030 zeven,5 tot honderd 30 mm   0,06 kW tot 0,25 kW Φ9(Φ11) Φ14 45 N.m  one.2kgs
RV040 RW040 7,5 tot honderd 40 mm   0,09 kW tot 0,55 kW Φ9(Φ11,Φ14) Φ18(Φ19) 84 N.m  twee,3 kg
RV050 RW050 7,5 tot honderd 50 mm   0,12 kW tot 1,5 kW Φ11(Φ14,Φ19) Φ25(Φ24) 160 N.m  3,5 kg
RV063 RW063 zeven,5 tot honderd 63 mm   0,18 kW tot 2,2 kW Φ14(Φ19,Φ24) Φ25(Φ28) 230 N.m  zes,2 kg
RV075 RW075 zeven,5~100 75 mm   0,25 kW tot 4,0 kW Φ14(Φ19,Φ24,Φ28)  Φ28(Φ35) 410 N.m  negen,0 kg
RV090 RW090 7,5 tot honderd 90 mm   0,37 kW ~ 4,0 kW Φ19(Φ24,Φ28) Φ35(Φ38) 725 N.m  dertien,0 kg
RV110 RW110 zeven,5 tot honderd 110 mm   0,55 kW tot 7,5 kW Φ19(Φ24,Φ28,Φ38)   Φ42 1050 N.m  35,0 kg
RV130 RW130 7.5~100 130 mm   0,75 kW tot 7,5 kW Φ24(Φ28,Φ38) Φ45 1550 N.m  achtenveertig,0 kg
RV150 RW150 7,5 tot honderd 150 mm     2,2 kW tot 15 kW Φ28(Φ38,Φ42) Φ50   eighty four.0kgs

Exploded View:

GMRV-overzichtsafmetingen:

GMRV A B C C1 D(H8) E(h8) F G G1 H H1 I M N O P Q R S T BL β B T V  
030 80 zevenennegentig vierenvijftig vierenveertig 14 vijfenvijftig 32 56 63 65 29 vijfenvijftig veertig zevenenvijftig 30 75 vierenveertig zes.vijf 21 vijf.vijf M6*10(n=4) 5 16.three 27
040 honderd 121.5 70 60 18(19) zestig 43 71 78 vijfenzeventig 36.5 70 50 eenenzeventig, vijf veertig 87 vijfenvijftig zes.vijf 26 6.vijf M6*tien(n=4) 45° zes twintig.8(21.8) 35
050 120 144 80 70 25(24) 70 negenenveertig 85 tweeënnegentig vijfentachtig 43.five tachtig zestig vierentachtig vijftig honderd 64 eight.five dertig zeven M8*twelve(n=4) 45° 8 28.3(27.3) 40
063 144 174 honderd vijfentachtig 25(28) 80 zevenenzestig 103 112 95 fifty three 95 tweeënzeventig 102 drieënzestig honderd en tien tachtig acht.5 36 acht M8*12(n=8) 45° 8 28.3(31.3) 50
075 172 205 honderdtwintig 90 28(35) vijfennegentig tweeënzeventig 112 honderd twintig a hundred and fifteen 57 112.5 86 119 vijfenzeventig honderdveertig drieënnegentig 11 40 10 M8*14(n=8) 45° acht (10) 31.3(38.3) zestig
090 206 238 honderdveertig 100 35(38) 110 74 honderd dertig 140 130 zevenenzestig 129.5 103 a hundred thirty five negentig honderdzestig 102 13 vijfenveertig elf M10*zestien(n=8) 45° tien 38.3(41.3) 70
honderd en tien 255 295 170 a hundred and fifteen 42 honderd dertig 144 honderdvijfenvijftig a hundred sixty five 74 honderdzestig 127.5 167.vijf honderd tien tweehonderd honderd vijfentwintig 14 50 14 M10*18(n=8) 45° twaalf 45.drie vijfentachtig
honderd dertig 293 335 200 honderd twintig vijfenveertig honderdtachtig 155 honderdzeventig 215 eighty one 179 146.five 187.vijf honderd dertig 250 honderdveertig 16 zestig 15 M12*twenty(n=8) 45° veertien achtenveertig.8 honderd
honderdvijftig 340 vierhonderd 240 honderdvijfenveertig 50 180 185 200 215 zesennegentig 210 170 230 150 250 honderdtachtig 18 seventy two.5 achttien M12*22(n=8) 45° 14 fifty three.eight  120  

Bedrijfsprofiel

Over CZPT-transmissie:
We are a professional reducer manufacturer situated in HangZhou, ZHangZhoug province.
Our top merchandise is  full selection of RV571-a hundred and fifty worm reducers , also equipped GKM hypoid helical gearbox, GRC inline helical gearbox, Computer models, UDL Variators and AC Motors, G3 helical gear motor.
Products are extensively used for programs this sort of as: foodstuffs, ceramics, packing, chemical substances, pharmacy, plastics, paper-generating, development equipment, metallurgic mine, environmental protection engineering, and all types of computerized strains, and assembly lines.
With rapidly shipping, excellent following-sales support, superior making facility, our items offer well  both at home and overseas. We have exported our reducers to Southeast Asia, Japanese Europe and the Middle East and so on.Our aim is to produce and innovate on the basis of substantial top quality, and create a good reputation for reducers.
Workshop:

Exhibitions:
We participate Germany Hannver Exhibition-ZheJiang PTC Fair-Turkey Acquire Eurasia

Verpakking, verzending en levering

  Packing data:Plastic Luggage+Cartons+Wood Instances , or on ask for

Set up Guidelines

To install the reducer, it is needed to be aware the following issues:
1)Examine the right rotation route of output shaft ahead of fitting reducer to devices.
2)Ahead of mounting, pls examine shaft diameter, bore diameter, crucial and keyway, to be confident their dimension are not deviation In purchase to hold excellent efficiency, also pls keep away from assembling way too limited or as well free. 
three)Reducer must be mounted to equipment stably to stay away from vibration.
4)Whenever possible,protect the reducer from photo voltaic radiation and poor temperature.
five)In the scenario of specifically lengthy time period of storage(4-6 months), if the oil seal is not immersed in lubricant inside the unit, it is advisable to adjust it considering that the rubber could stick to the shaft or may possibly even have missing the elasticity.
6)Painting should certainly not go over rubber areas and the holes on breather plug if any.
seven)When join with hollow or sound shaft, pls grease the joint to steer clear of lock or oxidation.
eight)Examine the proper lubricant amount via indicator if there is one particular.
9)Starting must just take area slowly, with no instantly implementing the greatest load.
10)When making use of different of motors to match reducer directly, supporting unit is necessary if motor is way too large.
11)Ensure excellent heat dissipation by maintaining great ventilation in close proximity to the motor enthusiast.
12)In the case of ambient temperature40ºC, pls contact the technological section.

Soon after Income Provider

1.Maintenance Time and Guarantee:In 1 12 months after obtaining products.
twee. Overige dienstenLike modeling assortment guidebook, set up manual, and problem resolution manual, etc.

Veelgestelde vragen

1.Q:Can you make as per consumer drawing?
   A: Of course, we provide personalized service for customers appropriately. We can use customer’s nameplate for gearboxes.
2. V: Wat zijn uw betalingsvoorwaarden?
   A: 30% deposit just before manufacturing,equilibrium T/T just before shipping and delivery.
3.Q:Are you a trading firm or manufacturer?
   A:We are a manufacurer with advanced gear and knowledgeable personnel.
four.Q:What is your production ability?
   A:8000-9000 PCS/Thirty day period
5. V: Is er een volledig gratis proefmonster beschikbaar?
   A:Indeed, we can provide totally free sample if customer agree to pay out for the courier cost
6. V: Heeft u een certificaat?
   A:Of course, we have CE certification and SGS certificate report.

Kom in contact met data:
Mevrouw Lingel Pan
For any questions just truly feel free of charge ton get in touch with me. Numerous many thanks for your variety focus to our business!

VS $12-220
/ Deel
|
1 stuk

(Minimale bestelling)

###

Sollicitatie: Motoren, machines, scheepvaart, landbouwmachines, industrie
Hardheid: Verhard tandoppervlak
Installatie: Horizontaal type
Indeling: Rechte hoek
Tandwielvorm: Wormwieloverbrenging
Stap: Dubbele stap

###

Voorbeelden:
US$ 22/Piece
1 stuk (minimale bestelling)

|
Vraag een voorbeeld aan

###

Aanpassing:
Beschikbaar

|

Aanvraag op maat

###

 Oud model        Nieuw model     Verhouding     Hartafstand  Stroom Invoerdiameter.  Uitgangsdiameter.    Uitgangskoppel Gewicht
RV025     7.5~100   25 mm   0,06 kW ~ 0,12 kW  Φ9 Φ11 21 N.m  0,7 kg
RV030 RW030 7.5~100 30 mm   0,06 kW tot 0,25 kW Φ9(Φ11) Φ14 45 N.m  1,2 kg
RV040 RW040 7.5~100 40 mm   0,09 kW tot 0,55 kW Φ9(Φ11,Φ14) Φ18(Φ19) 84 N.m  2,3 kg
RV050 RW050 7.5~100 50 mm   0,12 kW tot 1,5 kW Φ11(Φ14,Φ19) Φ25(Φ24) 160 N.m  3,5 kg
RV063 RW063 7.5~100 63 mm   0,18 kW tot 2,2 kW Φ14(Φ19,Φ24) Φ25(Φ28) 230 N.m  6,2 kg
RV075 RW075 7.5~100 75 mm   0,25 kW tot 4,0 kW Φ14(Φ19,Φ24,Φ28)  Φ28(Φ35) 410 N.m  9,0 kg
RV090 RW090 7.5~100 90 mm   0,37 kW tot 4,0 kW Φ19(Φ24,Φ28) Φ35(Φ38) 725 N.m  13,0 kg
RV110 RW110 7.5~100 110 mm   0,55 kW tot 7,5 kW Φ19(Φ24,Φ28,Φ38)   Φ42 1050 N.m  35,0 kg
RV130 RW130 7.5~100 130 mm   0,75 kW tot 7,5 kW Φ24(Φ28,Φ38) Φ45 1550 N.m  48,0 kg
RV150 RW150 7.5~100 150 mm     2,2 kW tot 15 kW Φ28(Φ38,Φ42) Φ50   84,0 kg

###

GMRV A B C C1 D(H8) E(h8) F G G1 H H1 I M N O P Q R S T BL β B T V  
030 80 97 54 44 14 55 32 56 63 65 29 55 40 57 30 75 44 6.5 21 5.5 M6*10(n=4) 5 16.3 27
040 100 121.5 70 60 18(19) 60 43 71 78 75 36.5 70 50 71.5 40 87 55 6.5 26 6.5 M6*10(n=4) 45° 6 20.8(21.8) 35
050 120 144 80 70 25(24) 70 49 85 92 85 43.5 80 60 84 50 100 64 8.5 30 7 M8*12(n=4) 45° 8 28.3(27.3) 40
063 144 174 100 85 25(28) 80 67 103 112 95 53 95 72 102 63 110 80 8.5 36 8 M8*12(n=8) 45° 8 28.3(31.3) 50
075 172 205 120 90 28(35) 95 72 112 120 115 57 112.5 86 119 75 140 93 11 40 10 M8*14(n=8) 45° 8(10) 31.3(38.3) 60
090 206 238 140 100 35(38) 110 74 130 140 130 67 129.5 103 135 90 160 102 13 45 11 M10*16(n=8) 45° 10 38.3(41.3) 70
110 255 295 170 115 42 130 144 155 165 74 160 127.5 167.5 110 200 125 14 50 14 M10*18(n=8) 45° 12 45.3 85
130 293 335 200 120 45 180 155 170 215 81 179 146.5 187.5 130 250 140 16 60 15 M12*20(n=8) 45° 14 48.8 100
150 340 400 240 145 50 180 185 200 215 96 210 170 230 150 250 180 18 72.5 18 M12*22(n=8) 45° 14 53.8  120  
VS $12-220
/ Deel
|
1 stuk

(Minimale bestelling)

###

Sollicitatie: Motoren, machines, scheepvaart, landbouwmachines, industrie
Hardheid: Verhard tandoppervlak
Installatie: Horizontaal type
Indeling: Rechte hoek
Tandwielvorm: Wormwieloverbrenging
Stap: Dubbele stap

###

Voorbeelden:
US$ 22/Piece
1 stuk (minimale bestelling)

|
Vraag een voorbeeld aan

###

Aanpassing:
Beschikbaar

|

Aanvraag op maat

###

 Oud model        Nieuw model     Verhouding     Hartafstand  Stroom Invoerdiameter.  Uitgangsdiameter.    Uitgangskoppel Gewicht
RV025     7.5~100   25 mm   0,06 kW ~ 0,12 kW  Φ9 Φ11 21 N.m  0,7 kg
RV030 RW030 7.5~100 30 mm   0,06 kW tot 0,25 kW Φ9(Φ11) Φ14 45 N.m  1,2 kg
RV040 RW040 7.5~100 40 mm   0,09 kW tot 0,55 kW Φ9(Φ11,Φ14) Φ18(Φ19) 84 N.m  2,3 kg
RV050 RW050 7.5~100 50 mm   0,12 kW tot 1,5 kW Φ11(Φ14,Φ19) Φ25(Φ24) 160 N.m  3,5 kg
RV063 RW063 7.5~100 63 mm   0,18 kW tot 2,2 kW Φ14(Φ19,Φ24) Φ25(Φ28) 230 N.m  6,2 kg
RV075 RW075 7.5~100 75 mm   0,25 kW tot 4,0 kW Φ14(Φ19,Φ24,Φ28)  Φ28(Φ35) 410 N.m  9,0 kg
RV090 RW090 7.5~100 90 mm   0,37 kW tot 4,0 kW Φ19(Φ24,Φ28) Φ35(Φ38) 725 N.m  13,0 kg
RV110 RW110 7.5~100 110 mm   0,55 kW tot 7,5 kW Φ19(Φ24,Φ28,Φ38)   Φ42 1050 N.m  35,0 kg
RV130 RW130 7.5~100 130 mm   0,75 kW tot 7,5 kW Φ24(Φ28,Φ38) Φ45 1550 N.m  48,0 kg
RV150 RW150 7.5~100 150 mm     2,2 kW tot 15 kW Φ28(Φ38,Φ42) Φ50   84,0 kg

###

GMRV A B C C1 D(H8) E(h8) F G G1 H H1 I M N O P Q R S T BL β B T V  
030 80 97 54 44 14 55 32 56 63 65 29 55 40 57 30 75 44 6.5 21 5.5 M6*10(n=4) 5 16.3 27
040 100 121.5 70 60 18(19) 60 43 71 78 75 36.5 70 50 71.5 40 87 55 6.5 26 6.5 M6*10(n=4) 45° 6 20.8(21.8) 35
050 120 144 80 70 25(24) 70 49 85 92 85 43.5 80 60 84 50 100 64 8.5 30 7 M8*12(n=4) 45° 8 28.3(27.3) 40
063 144 174 100 85 25(28) 80 67 103 112 95 53 95 72 102 63 110 80 8.5 36 8 M8*12(n=8) 45° 8 28.3(31.3) 50
075 172 205 120 90 28(35) 95 72 112 120 115 57 112.5 86 119 75 140 93 11 40 10 M8*14(n=8) 45° 8(10) 31.3(38.3) 60
090 206 238 140 100 35(38) 110 74 130 140 130 67 129.5 103 135 90 160 102 13 45 11 M10*16(n=8) 45° 10 38.3(41.3) 70
110 255 295 170 115 42 130 144 155 165 74 160 127.5 167.5 110 200 125 14 50 14 M10*18(n=8) 45° 12 45.3 85
130 293 335 200 120 45 180 155 170 215 81 179 146.5 187.5 130 250 140 16 60 15 M12*20(n=8) 45° 14 48.8 100
150 340 400 240 145 50 180 185 200 215 96 210 170 230 150 250 180 18 72.5 18 M12*22(n=8) 45° 14 53.8  120  

Worm reducer gearbox – What You Need to Know

When shopping for a Worm reducer gearbox, it is important to consider the functions and features of the unit. It is also important to take into account its cost. We will take a look at the different types of worm reducer gearboxes and the applications that they can be used for. This will help you choose the right unit for your application.
wormremmer

Functies

Worm gears are popular in instruments that require fast stopping, such as elevators and lifts. Their soft materials allow them to absorb shock, which reduces the likelihood of failure. They are also beneficial in heavy-duty machines, such as rock crushers. Some manufacturers offer special worms with zero backlash and high-accuracy reduction.The worm reducer gearbox has a variety of features, including an axial pitch and a circular pitch. The axial pitch of the worm must match the circular pitch of the larger gear. Its threads are left or right-handed, and its lead angle is the distance a point on the thread travels during a revolution of the worm.The worm gear reducer gearbox is widely available, and gear manufacturers typically maintain a large inventory of them. Because worm gears are standardized, their mounting dimensions are generally uniform across manufacturers. This means that choosing one will not require you to change the height, length, or diameter of the output shaft. Worm gear reducer gearboxes also have dimensional consistency.Worm gears are very efficient. They have a high load capacity and a low friction coefficient. The worm gears also have a precise tooth profile, which reduces speed fluctuations and allows for quiet operation.

Functions

Worm gears have different functions. They can be used in a variety of applications. For instance, they can be used in elevators to reduce the load on the elevator. These gears also have low noise levels because they are made of dissimilar metals. Moreover, these gears can be used in elevators because they are suitable for this type of application. However, they need a single stage reducer gearbox to function properly.Another important feature of a worm reducer gearbox is that it can operate in reverse. This means that the input shaft turns backwards, while the output shaft rotates forwards. Examples of such applications include hand-cranked centrifuges, blacksmithing forge blowers, and the wind governor of musical boxes. Worm gears are available in different shapes and sizes, from gearsets to housed units. They can also be configured as multi-speed designs. Some manufacturers also offer special precision and zero-backlash worms.A worm reducer gearbox’s tooth form is important in determining the capacity of the device. Typically, a single-lead worm gear has the same lead on the left and right tooth surfaces, although a dual-lead worm gear has different leads on each side. This feature helps to eliminate play in the worm gear. However, it is important to note that a worm reducer gearbox can be manufactured with different tooth shapes for different applications.The worm gear is an alternative to conventional gears. It operates in a similar fashion to ordinary gear drives. The main advantage of a worm gear is that it is able to reduce the rotational speed and torque of a rotating shaft. It also has the added benefit of being able to transfer motion at an angle of 90 degrees. The only drawback of a worm gear is that it cannot reverse motion.

Toepassingen

This market report analyzes the Worm reducer gearbox market from a global perspective. It includes a comprehensive analysis of the current market trends and future growth prospects. It also provides information about the competitive landscape and the main players in the industry. The report also highlights the key factors affecting the growth of the Worm reducer gearbox market.
The major regional markets for the Worm reducer gearbox include North America, Asia-Pacific, the Middle East and Africa, Latin America, and Europe. The market in these regions is likely to remain stable with a limited growth over the next few years. A worm gear is a small mechanical device that is connected to a larger gear. When connected together, it produces a low output speed but high torque.The gearing on a worm drive can be right-hand or left-hand, and can turn clockwise or counter-clockwise. Depending on the worm’s helix angles, back-driving and friction can be reduced. Worm gears are available in housed units or in gearsets. Some manufacturers offer integrated servomotors and multi-speed designs. High-accuracy and zero-backlash worms are available.Worm gears are particularly popular in instruments that require fast stops. They are also commonly found in elevators and lifts. Their soft nature and low-shock characteristics make them highly suitable for these types of machines.
wormremmer

Cost

Cost is an important consideration when selecting a worm reducer gearbox. The initial cost of a worm gear reducer gearbox is considerably lower than other types of gear reducer gearboxes. Worm gear reducer gearboxes are also more energy-efficient, and have higher overload capacities than competitive systems. The following are factors that affect the cost of a worm gear reducer gearbox.Stainless steel worm gear reducer gearboxes from Agknx offer great value for the money. They offer flange input and hollow output bore sizes, as well as center distances ranging from 1.75″ to 3.25″. In addition to the standard version, a stainless steel bushing kit is available, which allows users to use a wider range of head shaft sizes. Stainless steel worm gear reducer gearboxes are available in stock from all six of Agknx’s regional warehouses. They also come with free prepaid freight.Worm gear reducer gearboxes are often used in power transmission systems, elevators, conveyor belts, and medical equipment. In these applications, they are used to control the speed of a load and prevent it from freefall. While worm gear reducer gearboxes are not as efficient as helical gearboxes, they are still very useful for applications that require high torque or high output rates.To select the right type of worm for your application, you should consider the number of teeth it contains. It’s best to select worms with a combined total of 40 teeth or more.

aspect

Worm reducer gearboxes vary in size. They have one, two or more threads. Each thread has a lead angle. A high ratio has more teeth than a low gear, and a low ratio has fewer teeth. These differences are the result of gearing. The size of the worm gear reducer gearbox should be selected according to the specific application.The worm gear reducer gearbox saves space and provides more torque. Agknx Gearbox has created a variety of models to overcome common deceleration challenges, from standard to hygienic markets. The superior transmission Agknx range is designed to solve common deceleration challenges and expand to meet the needs of the sanitary industry.The diameter of the worm reducer gearbox is an important consideration. Its diameter should be equal to or slightly larger than the diameter of the grinding wheel or tool. This will affect the pressure angle. The pressure angle on a worm reducer gearbox depends on several factors, including its diameter and lead angle. The diameter of the grinding wheel or tool also has an effect on the profile of the worm.Worm gear reducer gearboxes are common. Many gear manufacturers have large stocks of these gear reducer gearboxes. Since gears are standardized, the mounting dimensions of worm gears are also common among manufacturers. This makes it easy to select a worm gear reducer gearbox for your application. In addition, the worm gear reducer gearbox is easy to install and maintain.
wormremmer

Worm gear reducer gearbox oil

Worm gear reducer gearboxes usually use gear oil. Several types of gear oils are available, including synthetic, polyalkylene glycol, and mineral oils. The oil used in the worm gear reducer gearbox must have the right viscosity for the gear. Some oils are more corrosive than others and should be avoided if the environment is toxic.The oil of the worm gear reducer gearbox must be protected against corrosion, wear and friction. It is best to choose a lubricant with low friction rate, high oxidation resistance and good anti-wear protection. While mineral oils are the most common type of lubricant, synthetic base oils can improve gear efficiency and reduce operating temperatures. This is because the Arrhenius rate rule states that the chemical reaction in the oil doubles for every 10 degrees Celsius increase in temperature.Worm gear reducer gearboxes are available in a variety of sizes and configurations. They are suitable for all kinds of machines and equipment. The sliding action between the worm gear and the output shaft produces high torque and high efficiency. If the transmission speed is low, the worm gear and output shaft can be combined for maximum efficiency.Worm gear reducer gearboxes require less frequent oil changes than other types of gear reducer gearboxes. However, regular oil should be changed every six months or 2,500 hours, whichever comes first. Also, it is a good idea to regularly monitor the oil level to prevent lubrication-related gearbox failures. It’s also wise to use synthetic oil, as it will last longer between oil changes.

China Aluminium Housing RV Worm Gearboxes with 20cr Worm & Cusn10-1 Wheel     double stage worm gearboxChina Aluminium Housing RV Worm Gearboxes with 20cr Worm & Cusn10-1 Wheel     double stage worm gearbox
editor by czh 2022-12-19