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China Double Worm Gearbox Nmrv063/030 Power Transmission Mechanical cycloidal gearbox applications

Item Description

HangZhou Sihai Equipment Co., Ltd.has been specialising in the manufacture and export of RV series worm gearboxes and other energy transmission items for several years, committed to supply to our customers very good good quality merchandise in aggressive prices. The major goods are RV series worm gear pace reducers, UD series mechanical speed variators, G3 sequence helical geared motors and the specially created reducers for sharpening equipment. Our products are widely used in the mechanical apparatus for foodstuff, ceramics, package, chemical, printing, and plastics, and so forth.

Xihu (West Lake) Dis.d by the thought, “Quality is the very crucial.”. the company proceeds in strict top quality control to all the products, complying with the needs of ISO9001:2008, and certificated, which has enabled our merchandise to have appreciated the successful product sales, acceptance and great track record among the markets of Europe, Mid-east, and Souteast Asia..

Innovation, great good quality, customers’ satisfication, and exceptional services are the principles of the business. All customers at house and abroad are warmly welcome to speak to us and negotiate for mutual business enlargement.

Traits:
RV series worm gearbox / speed reducer is a new era of merchandise produced by our business with combination of sophisticated technology the two at property and overseas. It feature in:
one) Aluminium alloy die solid casing for RV 571,030,040,050,063,075,090,light weight and non-rustingcast iron casing for RV110,a hundred thirty,a hundred and fifty.
two) big output torque.
3) steady transmission with reduced noise.
4) large geat-radiation effectiveness.
5) stylish condition,tiny quantity and sturdy serving existence
six) suited for omnibearing set up
 
Model & Mark :NMRV 063-40 E F1 AZ B3
 

NMRV NMRV means hole input with flange NRV  means shaft input without flange
063 Distance between the centers of worm and worm gear
forty Speed ratio of worm gear speed reducer
E “E” means double extension worm shaft, no mark means single extension worm shaft
F1 “F” means output flange, “FL” means high output flange,no mark means output without flange
AZ “AZ”means bidirectional output shaft, “GZ”means unilateral output shaft and no mark means hole output
B3 Installation position code

The velocity reducer NMRV063/030 Accessories define dimension

  K1 G KG KH R
NMRV063 one hundred fifty 14 49 ten 18

Pace reducer Size of Single Extension & Double extension

  D(h6) B B1 G1 L L1 f b1  t1
NMRV063 twenty five fifty 53.five 112 173 219 M10 eight 28

Worm gearbox of Double extension worm shaft
 

  G2 d(j6) B F b1 t1
NMRV063 75 19 40 M6 6  21.five

The Worm gearbox NMRV063/030 With Motor

IEC Motor adapters
Design PAM(IEC) N M P ration Shaft:D
 
NMRV030
63B5 ninety five a hundred and fifteen a hundred and forty 7.5 eleven
63B14 sixty 75 ninety seven.five 11
56B5 80 100 120 seven.five nine
56B14 fifty sixty five 80 seven.five 9
NMRV063 90B5 one hundred thirty 165 two hundred 40
90B14 95 115 one hundred forty    40
80B5 130 one hundred sixty five two hundred 40 19
80B14 80 100 120 forty 19
71B5 a hundred and ten one hundred thirty 160 40 fourteen
71B14 70 eighty five a hundred and five 40 14

Worm gearbox of Mounting positions
 
 
Worm gearbox of Position diagram for output flange
 
 
Worm gearbox of position diagram for torque arm
 
Worm gearbox of position diagram for one-way output shaft

 
Notice for ordering:
 
1) when ordering,please refer to the details of the products and tell us the exact type your need according to your requirements,like input speed,output torque,configuration,installation,etc:the installation position of the products in the order should accord with your actual needs,normally, it will result in oil leakage, which will impact the serving life of the products negatively.if there is special requirement to the installation position,please stress it and inform us.
 
2) to attain the excellent state of the variators, the common working speed should be chosen in the middle position,rather,it ismot appropriate to choose in the positions of min,or max.pace
 
three) if your requirements of worm gearbox or speed variator are different from shte standard products as in the catalogue,like:some portion that should be customized or mounted with special motors,please inform us in advance

 

US $76
/ Piece
|
1 Piece

(Min. Order)

###

Application: Industry
Layout: Cycloidal
Hardness: Hardened
Installation: Vertical Type
Step: Double-Step
Type: Worm and Wormwheel

###

Customization:

###

NMRV NMRV means hole input with flange NRV  means shaft input without flange
063 Distance between the centers of worm and worm gear
40 Speed ratio of worm gear speed reducer
E "E" means double extension worm shaft, no mark means single extension worm shaft
F1 "F" means output flange, "FL" means high output flange,no mark means output without flange
AZ "AZ"means bidirectional output shaft, "GZ"means unilateral output shaft and no mark means hole output
B3 Installation position code

###

  K1 G KG KH R
NMRV063 150 14 49 10 18

###

  D(h6) B B1 G1 L L1 f b1  t1
NMRV063 25 50 53.5 112 173 219 M10 8 28

###

  G2 d(j6) B F b1 t1
NMRV063 75 19 40 M6 6  21.5

###

IEC Motor adapters
Model PAM(IEC) N M P ration Shaft:D
 
NMRV030
63B5 95 115 140 7.5 11
63B14 60 75 90 7.5 11
56B5 80 100 120 7.5 9
56B14 50 65 80 7.5 9
NMRV063 90B5 130 165 200 40
90B14 95 115 140    40
80B5 130 165 200 40 19
80B14 80 100 120 40 19
71B5 110 130 160 40 14
71B14 70 85 105 40 14
US $76
/ Piece
|
1 Piece

(Min. Order)

###

Application: Industry
Layout: Cycloidal
Hardness: Hardened
Installation: Vertical Type
Step: Double-Step
Type: Worm and Wormwheel

###

Customization:

###

NMRV NMRV means hole input with flange NRV  means shaft input without flange
063 Distance between the centers of worm and worm gear
40 Speed ratio of worm gear speed reducer
E "E" means double extension worm shaft, no mark means single extension worm shaft
F1 "F" means output flange, "FL" means high output flange,no mark means output without flange
AZ "AZ"means bidirectional output shaft, "GZ"means unilateral output shaft and no mark means hole output
B3 Installation position code

###

  K1 G KG KH R
NMRV063 150 14 49 10 18

###

  D(h6) B B1 G1 L L1 f b1  t1
NMRV063 25 50 53.5 112 173 219 M10 8 28

###

  G2 d(j6) B F b1 t1
NMRV063 75 19 40 M6 6  21.5

###

IEC Motor adapters
Model PAM(IEC) N M P ration Shaft:D
 
NMRV030
63B5 95 115 140 7.5 11
63B14 60 75 90 7.5 11
56B5 80 100 120 7.5 9
56B14 50 65 80 7.5 9
NMRV063 90B5 130 165 200 40
90B14 95 115 140    40
80B5 130 165 200 40 19
80B14 80 100 120 40 19
71B5 110 130 160 40 14
71B14 70 85 105 40 14

Developing a Mathematical Model of a Cyclone Gearbox

Compared to planetary gearboxes, cycloidal gearboxes are often seen as the ideal choice for a wide range of applications. They feature compact designs that are often low friction and high reduction ratios.helical gearbox

Low friction

Developing a mathematical model of a cycloidal gearbox was a challenge. The model was able to show the effects of a variety of geometric parameters on contact stresses. It was able to model stiction in all quadrants. It was able to show a clear correlation between the results from simulation and real-world measurements.
The model is based on a new approach that enables modeling stiction in all quadrants of a gearbox. It is also able to display non-zero current at standstill. Combined with a good simulation algorithm, the model can be used to improve the dynamic behaviour of a controlled system.
A cycloidal gearbox is a compact actuator used for industrial automation. This type of gearbox provides high gear ratios, low wear, and good torsional stiffness. In addition, it has good shock load capacity.
The model is based on cycloidal discs that engage with pins on a stationary ring gear. The resulting friction function occurs when the rotor begins to rotate. It also occurs when the rotor reverses its rotation. The model has two curves, one for motor and one for generator mode.
The trochoidal profile on the cycloidal disc’s periphery is required for proper mating of the rotating parts. In addition, the profile should be defined accurately. This will allow an even distribution of contact forces.
The model was used to compare the relative performance of a cycloidal gearbox with that of an involute gearbox. This comparison indicates that the cycloidal gearbox can withstand more load than an involute gearbox. It is also able to last longer. It is also able to produce high gear ratios in a small space.
The model used is able to capture the exact geometry of the parts. It can also allow a better analysis of stresses.

Compact

Unlike helical gearing, compact cycloidal gearboxes can provide higher reduction ratios. They are more compact and less weighty. In addition, they provide better positioning accuracy.
Cycloid drives provide high torque and load capacity. They are also very efficient and robust. They are ideal for applications with heavy loads or shock loads. They also feature low backlash and high torsional stiffness. Cycloid gearboxes are available in a variety of designs.
Cycloid discs are mounted on an eccentric input shaft, which drives them around a stationary ring gear. The ring gear consists of many pins, and the cycloidal disc moves one lobe for every rotation of the input shaft. The output shaft contains roller pins, which rotate around holes in the cycloidal disc.
Cycloid drives are ideally suited to heavy loads and shock loads. They have high torsional stiffness and high reduction ratios, making them very efficient. Cycloid gearboxes have low backlash and high torque and are very compact.
Cycloid gearboxes are used for a wide variety of applications, including marine propulsion systems, CNC machining centers, medical technology, and manipulation robots. They are especially useful in applications with critical positioning accuracy, such as surgical positioning systems. Cycloid gearboxes feature extremely low hysteresis loss and low backlash over extended periods of use.
Cycloid discs are usually designed with a reduced cycloid diameter to minimize unbalance forces at high speeds. Cycloid drives also feature minimal backlash, a high reduction ratio, and excellent positioning accuracy. Cycloid gearboxes also have a long service life, compared to other gear drives. Cycloid drives are highly robust, and offer higher reduction ratios than helical gear drives.
Cycloid gearboxes have a low cost and are easy to print. CZPT gearboxes are available in a wide range of sizes and can produce high torque on the output axis.helical gearbox

High reduction ratio

Among the types of gearboxes available, a high reduction ratio cycloidal gearbox is a popular choice in the automation field. This gearbox is used in applications requiring precise output and high efficiency.
Cycloid gears can provide high torque and transmit it well. They have low friction and a small backlash. They are widely used in robotic joints. However, they require special tools to manufacture. Some have even been 3D printed.
A cycloidal gearbox is typically a three-stage structure that includes an input hub, an output hub, and two cycloidal gears that rotate around each other. The input hub mounts movable pins and rollers, while the output hub mounts a stationary ring gear.
The input shaft is driven by an eccentric bearing. The disc is then pushed against the ring gear, which causes it to rotate around the bearing. As the disc rotates, the pins on the ring gear drive the pins on the output shaft.
The input shaft rotates a maximum of nine revolutions, while the output shaft rotates three revolutions. This means that the input shaft has to rotate over eleven million times before the output shaft is able to rotate. The output shaft also rotates in the opposite direction of the input shaft.
In a two-stage differential cycloidal speed reducer, the input shaft uses a crank shaft design. The crank shaft connects the first and second cycloidal gears and actuates them simultaneously.
The first stage is a cycloidal disc, which is a gear tooth profile. It has n=7 lobes on its circumference. Each lobe moves around a reference pitch circle of pins. The disc then advances in 360deg steps.
The second stage is a cycloidal disc, also known as a “grinder gear”. The teeth on the outer gear are fewer than the teeth on the inner gear. This allows the gear to be geardown based on the number of teeth.

Kinematics

Various scholars have studied the kinematics of cycloidal gearbox. They have developed various approaches to modify the tooth profile of cycloidal gears. Some of these approaches involve changing the shape of the cycloidal disc, and changing the grinding wheel center position.
This paper describes a new approach to cycloid gear profile modification. It is based on a mathematical model and incorporates several important parameters such as pressure angle, backlash, and root clearance. The study offers a new way for modification design of cycloid gears in precision reducers for robots.
The pressure angle of a tooth profile is an intersegment angle between the normal direction and the velocity direction at a meshing point. The pressure angle distribution is important for determining force transmission performance of gear teeth in meshing. The distribution trend can be obtained by calculating the equation (5).
The mathematical model for modification of the tooth profile can be obtained by establishing the relationship between the pressure angle distribution and the modification function. The dependent variable is the modification DL and the independent variable is the pressure angle a.
The position of the reference point A is a major consideration in the modification design. It ensures the force transmission performance of the meshing segment is optimal. It is determined by the smallest profile pressure angle. The position is also dependent on the type of gear that is being modified. It is also influenced by the tooth backlash.
The mathematical model governing the pressure angle distribution is developed with DL=f(a). It is a piecewise function that determines the pressure angle distribution of a tooth profile. It can also be expressed as DL=ph.
The pressure angle of a tooth is also an angle between the common normal direction at the meshing point and the rotation velocity direction of the cycloid gear.helical gearbox

Planetary gearboxes vs cycloidal gearboxes

Generally, there are two types of gearboxes that are used for motion control applications: cycloidal gearbox and planetary gearbox. Cycloid gearboxes are used for high-frequency motions, while planetary gearboxes are suitable for low-speed applications. Both are highly accurate and precise gearboxes that are capable of handling heavy loads at high cycle rates. But they have different advantages and disadvantages. So, engineers need to determine which type of gearbox is best suited for their application.
Cycloid gearboxes are commonly used in industrial automation. They provide excellent performance with ratios as low as 10:1. They offer a more compact design, higher torque density and greater overload protection. They also require less space and are less expensive than planetary gearboxes.
On the other hand, planetary gearboxes are lightweight and offer a higher torque density. They are also capable of handling higher ratios. They have a longer life span and are more precise and durable. They can be found in a variety of styles, including square-framed, round-framed and double-frame designs. They offer a wide range of torque and speed capabilities and are used for numerous applications.
Cycloid gearboxes can be manufactured with different types of cycloidal cams, including single or compound cycloidal cams. Cycloid cams are cylindrical elements that have cam followers that rotate in an eccentric fashion. The cam followers act like teeth on the internal gear. Cycloid cams are a simple concept, but they have numerous advantages. They have a low backlash over extended periods of time, allowing for more accurate positioning. They also have internal compressive stresses and an overlap factor between the rolling elements.
Planetary gearboxes are characterized by three basic force-transmitting elements: ring gear, sun gear, and planet gear. They are generally two-stage gearboxes. The sun gear is attached to the input shaft, which in turn is attached to the servomotor. The ring gear turns the sun gear and the planet gear turns the output shaft.
China Double Worm Gearbox Nmrv063/030 Power Transmission Mechanical     cycloidal gearbox applicationsChina Double Worm Gearbox Nmrv063/030 Power Transmission Mechanical     cycloidal gearbox applications
editor by czh 2022-12-30