Tag Archives: drive gear

China manufacturer 1 20 ratio gearbox motor speed reduce cycloidal speed reducer for belt drive china gear box gear box

Warranty: 1 year
Applicable Industries: Building Material Shops, Manufacturing Plant, Machinery Repair Shops, Food & Beverage Factory, Farms, Retail, Construction works , Energy & Mining, Other
Weight (KG): 1 KG
Customized support: OEM, ODM
Gearing Arrangement: Helical
Output Torque: 1400N.m, 180N.m~17000N.m
Input Speed: 1500, 1400, 900, 500rpm
Output Speed: 75, 25~300rpm
Product name: SMR series shaft mounted gear box speed reducer for conveyer systems
Ratio: 5 7 10 12.5
Mounting Position: Torque Arm Mounted
Input Form: Keyed CZPT Shaft Input
Output Form: Keyed Hollow Shaft Output
Application: conveyor system
Color: Customer Requirement
Packaging Details: Wooden box
Port: HangZhou,ZheJiang ,HangZhou,ZheJiang G

TA Shaft Mounted ReducerOutput Shaft Bore [mm]Ratio(i)Rated torque
KTA30Φ307.10,12.5180N.m
KTA35Φ355,10,15,20,25420N.m
KTA40Φ405,10,12.5,15.20,25900N.m
Φ45
KTA45Φ455,10,12.5,15.20,25UOON.m
Φ50
Φ55
KTA50Φ505,10,12.5,15,20,252300N.m
Φ55
Φ60
KTA60Φ605,10,12.5,15,20,253600N.m
Φ Keyless shaft-hub locking device Factory Price adjustable safe lock assembly High Quality clamp power locks used for coupling 70
KTA70Φ705,10,125,15,20,25,315100N.m
Φ85
KTA80Φ805,10,12.5,15,20,25,317000N.m
Φ100
KTA100Φ1005,10,12.5,15,20,25,3111000N.m
Φ125
KTA125Φ1255,10,12.5,15.20,25,3117000N.m
Φ135
SMR Model NO.Ouipui Shaft Bore [mm]Ratio(i)
StandardAlternative5:113:120:1
BΦ30Φ40
CΦ40Φ50
DΦ50Φ55
EΦ55Φ65
FΦ65Φ75
GΦ75Φ85
HΦ85Φ100
JΦ100Φ120
Exporting to Saudi, UAE, Jordan, Oman, Syria, Paddy fields unilateral land shaper Agricultural equipment single-sided ridge land shaper Yemen, Kuwait, Egypt, Libya, Algeria, Morocco, Tunisia, Tanzania, Sudan, Kenya, Uganda, Ethiopia, Burkina Faso, Ecuador, Columbia, Venezuela, Peru, Brazil, Chile, Uruguay, Argentina, Xihu (West Lake) Dis.via, Malaysia, Indonesia, Vietnam, Thailand, Srilanka, and so on more than 70 countries.KTA series shaft mounted gearbox(speed reducer) with helical hardened gears has the characteristics of high carrying capacity, smooth transmission, light weight, low energy consumption and so on. Input shaft of KTA speed reducer is connected with gear motor by belt pulley, hollow output shaft is linked with a key. It can be replaced by electric drum as power for belt conveyors and lifting equipments. KTA series shaft mounted gearbox could be attached with back-stop to avoid the working machine back skating, and conveniently mounted by tie rod. KTA series shaft mounted speed reducer is widely applied in the mining equipments, concrete mixing batching plant, stone crushers, sand making production line and other belt conveyors, mechanical transmission areas.Mechanical belt conveyors drive system is composed of KTA shaft mounted speed reducer, torque arm, pulleys and gear motors, whose power transmission from the gear motor to the gearbox through the pulley, and then speed reducer passed to the drive pulley through the hollow output shaft and the gearbox is fixed by torque arm, anti-slip device can be configured. The system is convenient to install,use and maintain. FAQ >>> 1. What can we buy from you?Conveyor belt, roller, screen mesh, crusher spares, all kinds of CZPT transmission parts2. What about the lead time?1) 2–3 days for sample2) 20–30 days for mass production. If urgent,we have green channel.3. Do you have any MOQ limit for orders?Low MOQ, 50m for conveyor belt/10pc for rollers4. Is it OK to print my logo on product?Yes. Please inform us your logo or design before mass production5. How to guarantee your quality?We are 1 of the top suppliers of International famous mining company over years. Excellent quality is well accepted.

Gear

Hypoid Bevel Vs Straight Spiral Bevel - What's the Difference?

Spiral gears come in many different varieties, but there is a fundamental difference between a Hypoid bevel gear and a Straight spiral bevel. This article will describe the differences between the two types of gears and discuss their use. Whether the gears are used in industrial applications or at home, it is vital to understand what each type does and why it is important. Ultimately, your final product will depend on these differences.

Hypoid bevel gears

In automotive use, hypoid bevel gears are used in the differential, which allows the wheels to rotate at different speeds while maintaining the vehicle's handling. This gearbox assembly consists of a ring gear and pinion mounted on a carrier with other bevel gears. These gears are also widely used in heavy equipment, auxiliary units, and the aviation industry. Listed below are some common applications of hypoid bevel gears.
For automotive applications, hypoid gears are commonly used in rear axles, especially on large trucks. Their distinctive shape allows the driveshaft to be located deeper in the vehicle, thus lowering the center of gravity and minimizing interior disruption. This design makes the hypoid gearset one of the most efficient types of gearboxes on the market. In addition to their superior efficiency, hypoid gears are very easy to maintain, as their mesh is based on sliding action.
The face-hobbed hypoid gears have a characteristic epicycloidal lead curve along their lengthwise axis. The most common grinding method for hypoid gears is the Semi-Completing process, which uses a cup-shaped grinding wheel to replace the lead curve with a circular arc. However, this method has a significant drawback - it produces non-uniform stock removal. Furthermore, the grinding wheel cannot finish all the surface of the tooth.
The advantages of a hypoid gear over a spiral bevel gear include a higher contact ratio and a higher transmission torque. These gears are primarily used in automobile drive systems, where the ratio of a single pair of hypoid gears is the highest. The hypoid gear can be heat-treated to increase durability and reduce friction, making it an ideal choice for applications where speed and efficiency are critical.
The same technique used in spiral bevel gears can also be used for hypoid bevel gears. This machining technique involves two-cut roughing followed by one-cut finishing. The pitch diameter of hypoid gears is up to 2500 mm. It is possible to combine the roughing and finishing operations using the same cutter, but the two-cut machining process is recommended for hypoid gears.
The advantages of hypoid gearing over spiral bevel gears are primarily based on precision. Using a hypoid gear with only three arc minutes of backlash is more efficient than a spiral bevel gear that requires six arc minutes of backlash. This makes hypoid gears a more viable choice in the motion control market. However, some people may argue that hypoid gears are not practical for automobile assemblies.
Hypoid gears have a unique shape - a cone that has teeth that are not parallel. Their pitch surface consists of two surfaces - a conical surface and a line-contacting surface of revolution. An inscribed cone is a common substitute for the line-contact surface of hypoid bevel gears, and it features point-contacts instead of lines. Developed in the early 1920s, hypoid bevel gears are still used in heavy truck drive trains. As they grow in popularity, they are also seeing increasing use in the industrial power transmission and motion control industries.
Gear

Straight spiral bevel gears

There are many differences between spiral bevel gears and the traditional, non-spiral types. Spiral bevel gears are always crowned and never conjugated, which limits the distribution of contact stress. The helical shape of the bevel gear is also a factor of design, as is its length. The helical shape has a large number of advantages, however. Listed below are a few of them.
Spiral bevel gears are generally available in pitches ranging from 1.5 to 2500 mm. They are highly efficient and are also available in a wide range of tooth and module combinations. Spiral bevel gears are extremely accurate and durable, and have low helix angles. These properties make them excellent for precision applications. However, some gears are not suitable for all applications. Therefore, you should consider the type of bevel gear you need before purchasing.
Compared to helical gears, straight bevel gears are easier to manufacture. The earliest method used to manufacture these gears was the use of a planer with an indexing head. However, with the development of modern manufacturing processes such as the Revacycle and Coniflex systems, manufacturers have been able to produce these gears more efficiently. Some of these gears are used in windup alarm clocks, washing machines, and screwdrivers. However, they are particularly noisy and are not suitable for automobile use.
A straight bevel gear is the most common type of bevel gear, while a spiral bevel gear has concave teeth. This curved design produces a greater amount of torque and axial thrust than a straight bevel gear. Straight teeth can increase the risk of breaking and overheating equipment and are more prone to breakage. Spiral bevel gears are also more durable and last longer than helical gears.
Spiral and hypoid bevel gears are used for applications with high peripheral speeds and require very low friction. They are recommended for applications where noise levels are essential. Hypoid gears are suitable for applications where they can transmit high torque, although the helical-spiral design is less effective for braking. For this reason, spiral bevel gears and hypoids are generally more expensive. If you are planning to buy a new gear, it is important to know which one will be suitable for the application.
Spiral bevel gears are more expensive than standard bevel gears, and their design is more complex than that of the spiral bevel gear. However, they have the advantage of being simpler to manufacture and are less likely to produce excessive noise and vibration. They also have less teeth to grind, which means that they are not as noisy as the spiral bevel gears. The main benefit of this design is their simplicity, as they can be produced in pairs, which saves money and time.
In most applications, spiral bevel gears have advantages over their straight counterparts. They provide more evenly distributed tooth loads and carry more load without surface fatigue. The spiral angle of the teeth also affects thrust loading. It is possible to make a straight spiral bevel gear with two helical axes, but the difference is the amount of thrust that is applied to each individual tooth. In addition to being stronger, the spiral angle provides the same efficiency as the straight spiral gear.
Gear

Hypoid gears

The primary application of hypoid gearboxes is in the automotive industry. They are typically found on the rear axles of passenger cars. The name is derived from the left-hand spiral angle of the pinion and the right-hand spiral angle of the crown. Hypoid gears also benefit from an offset center of gravity, which reduces the interior space of cars. Hypoid gears are also used in heavy trucks and buses, where they can improve fuel efficiency.
The hypoid and spiral bevel gears can be produced by face-hobbing, a process that produces highly accurate and smooth-surfaced parts. This process enables precise flank surfaces and pre-designed ease-off topographies. These processes also enhance the mechanical resistance of the gears by 15 to 20%. Additionally, they can reduce noise and improve mechanical efficiency. In commercial applications, hypoid gears are ideal for ensuring quiet operation.
Conjugated design enables the production of hypoid gearsets with length or profile crowning. Its characteristic makes the gearset insensitive to inaccuracies in the gear housing and load deflections. In addition, crowning allows the manufacturer to adjust the operating displacements to achieve the desired results. These advantages make hypoid gear sets a desirable option for many industries. So, what are the advantages of hypoid gears in spiral gears?
The design of a hypoid gear is similar to that of a conventional bevel gear. Its pitch surfaces are hyperbolic, rather than conical, and the teeth are helical. This configuration also allows the pinion to be larger than an equivalent bevel pinion. The overall design of the hypoid gear allows for large diameter shafts and a large pinion. It can be considered a cross between a bevel gear and a worm drive.
In passenger vehicles, hypoid gears are almost universal. Their smoother operation, increased pinion strength, and reduced weight make them a desirable choice for many vehicle applications. And, a lower vehicle body also lowers the vehicle's body. These advantages made all major car manufacturers convert to hypoid drive axles. It is worth noting that they are less efficient than their bevel gear counterparts.
The most basic design characteristic of a hypoid gear is that it carries out line contact in the entire area of engagement. In other words, if a pinion and a ring gear rotate with an angular increment, line contact is maintained throughout their entire engagement area. The resulting transmission ratio is equal to the angular increments of the pinion and ring gear. Therefore, hypoid gears are also known as helical gears.

China manufacturer 1 20 ratio gearbox motor speed reduce cycloidal speed reducer for belt drive china gear box gear boxChina manufacturer 1 20 ratio gearbox motor speed reduce cycloidal speed reducer for belt drive china gear box gear box
editor by Cx 2023-07-06

China Professional China Harmonic Drive Strain Wave Gear for 6 Axis Robot Arm spurs gear

Product Description

Product Description:

1. Flexspline is a hollow flanging standard cylinder structure.

2. The structure of the whole item is compact. The input shaft is directly matched with the inner hole of the wave generator. They are connected by a flat key slot.

3. The connecting way is circular spline fixed and flexible output, Or it can also be used that flexible fixed and circular spline output.

Advantages:

1. High precision, high torque

2. Dedicated technical personnel can be on-the-go to provide design solutions

3. Factory direct sales fine workmanship durable quality assurance

4. Product quality issues have a one-year warranty time, can be returned for replacement or repair

Company profile:

 

HangZhou CZPT Technology Co., Ltd. established in 2014, is committed to the R & D plant of high-precision transmission components. At present, the annual production capacity can reach 45000 sets of harmonic reducers. We firmly believe in quality first. All links from raw materials to finished products are strictly supervised and controlled, which provides a CZPT foundation for product quality. Our products are sold all over the country and abroad.

The harmonic reducer and other high-precision transmission components were independently developed by the company. Our company spends 20% of its sales every year on the research and development of new technologies in the industry. There are 5 people in R & D.

Our advantage is as below:

1.7 years of marketing experience

2. 5-person R & D team to provide you with technical support

3. It is sold at home and abroad and exported to Turkey and Ireland

4. The product quality is guaranteed with a one-year warranty

5. Products can be customized

Strength factory:

Our plant has an entire campus The number of workshops is around 300 Whether it's from the production of raw materials and the procurement of raw materials to the inspection of finished products, we're doing it ourselves. There is a complete production system

HCS-I Parameter:

Model Speed ratio Enter the rated torque at 2000r/min Allowed CZPT torque at start stop The allowable maximum of the average load torque Maximum torque is allowed in an instant Allow the maximum speed to be entered Average input speed is allowed Back gap design life
NM kgfm NM kgfm NM kgfm NM kgfm r / min r / min Arc sec Hour
11 80 3.8 0.4 8.5 0.9 6.8 0.7 19.1 1.9 8000 3000 ≤30 10000
100 4.1 0.4 8.9 0.9 7.2 0.7 20 2
14 50 6.2 0.6 20.7 2.1 7.9 0.7 40.3 4.1 7000 3000 ≤30 15000
80 9 0.9 27 2.7 12.7 1.3 54.1 5.5
100 9 0.9 32 3.3 12.7 1.3 62.1 6.3
17 50 18.4 1.9 39 4 29.9 3 80.5 8.2 6500 3000 ≤30 15000
80 25.3 2.6 49.5 5 31 3.2 100.1 10.2
100 27.6 2.8 62 6.3 45 4.6 124.2 12.7
20 50 28.8 2.9 64.4 6.6 39 4 112.7 11.5 5600 3000 ≤30 15000
80 39.1 4 85 8.8 54 5.5 146.1 14.9
100 46 4.7 94.3 9.6 56 5.8 169.1 17.2
120 46 4.7 100 10.2 56 5.8 169.1 17.2
160 46 4.7 112 10.9 56 5.8 169.1 17.2
25 50 44.9 4.6 113 11.5 63 6.5 213.9 21.8 4800 3000 ≤30 15000
80 72.5 7.4 158 16.1 100 10.2 293.3 29.9
100 77.1 7.9 181 18.4 124 12.7 326.6 33.3
120 77.1 7.9 192 19.6 124 12.7 349.6 35.6
32 50 87.4 8.9 248 25.3 124 12.7 439 44.8 4000 3000 ≤30 15000
80 135.7 13.8 350 35.6 192 19.6 653 66.6
100 157.6 16.1 383 39.1 248 25.3 744 75.9
120 157.6 16.1 406 41.4 248 25.3 789 80.5

HCG Parameter:

Model Speed ratio Enter the rated torque at 2000r/min Allowed CZPT torque at start stop The allowable maximum of the average load torque Maximum torque is allowed in an instant Allow the maximum speed to be entered Average input speed is allowed Back gap design life
NM kgfm NM kgfm NM kgfm NM kgfm r / min r / min Arc sec Hour
11 80 3.8 0.4 8.5 0.9 6.8 0.7 19.1 1.9 8000 3000 ≤20 10000
100 4.1 0.4 8.9 0.9 7.2 0.7 20 2
14 50 7 0.7 23 2.3 9 0.9 46 4.7 10000 6500 ≤20 15000
80 10 1 30 3.1 14 1.4 61 6.2
100 10 1 36 3.7 14 1.4 70 7.2
17 50 21 2.1 44 4.5 34 3.4 91 9 7500 5600 ≤20 20000
80 29 2.9 56 5.7 35 3.6 113 12
100 31 3.2 70 7.2 51 5.2 143 15
20 50 33 3.3 73 7.4 44 4.5 127 13 7000 4800 ≤20 2000
80 44 4.5 96 9.8 61 6.2 165 17
100 52 5.3 107 10.9 64 6.5 191 20
120 52 5.3 113 11.5 64 6.5 191 20
160 52 5.3 120 12.2 64 6.5 191 20
25 50 51 5.2 127 13 72 7.3 242 25 5600 4000 ≤20 2000
80 82 8.4 178 18 113 12 332 34
100 87 8.9 204 21 140 14 369 38
120 87 8.9 217 22 140 14 395 40
32 50 99 10 281 29 140 14 497 51 5600 3000 ≤20 2000
80 153 16 395 40 217 22 738 75
100 178 18 433 44 281 29 841 86
120 178 18 459 47 281 29 892 91

Exhibitions:
Application case:

FQA:
Q: What should I provide when I choose a gearbox/speed reducer?
A: The best way is to provide the motor drawing with parameters. Our engineer will check and recommend the most suitable gearbox model for your reference.
Or you can also provide the below specification as well:
1) Type, model, and torque.
2) Ratio or output speed
3) Working condition and connection method
4) Quality and installed machine name
5) Input mode and input speed
6) Motor brand model or flange and motor shaft size

Application: Motor, Electric Cars, Motorcycle, Machinery, Marine, Car
Hardness: Hardened Tooth Surface
Installation: 90 Degree
Layout: Coaxial
Gear Shape: Cylindrical Gear
Step: Single-Step
Customization:
Available

|

Customized Request

Spiral Gears for Right-Angle Right-Hand Drives

Spiral gears are used in mechanical systems to transmit torque. The bevel gear is a particular type of spiral gear. It is made up of two gears that mesh with one another. Both gears are connected by a bearing. The two gears must be in mesh alignment so that the negative thrust will push them together. If axial play occurs in the bearing, the mesh will have no backlash. Moreover, the design of the spiral gear is based on geometrical tooth forms.
Gear

Equations for spiral gear

The theory of divergence requires that the pitch cone radii of the pinion and gear be skewed in different directions. This is done by increasing the slope of the convex surface of the gear's tooth and decreasing the slope of the concave surface of the pinion's tooth. The pinion is a ring-shaped wheel with a central bore and a plurality of transverse axes that are offset from the axis of the spiral teeth.
Spiral bevel gears have a helical tooth flank. The spiral is consistent with the cutter curve. The spiral angle b is equal to the pitch cone's genatrix element. The mean spiral angle bm is the angle between the genatrix element and the tooth flank. The equations in Table 2 are specific for the Spread Blade and Single Side gears from Gleason.
The tooth flank equation of a logarithmic spiral bevel gear is derived using the formation mechanism of the tooth flanks. The tangential contact force and the normal pressure angle of the logarithmic spiral bevel gear were found to be about twenty degrees and 35 degrees respectively. These two types of motion equations were used to solve the problems that arise in determining the transmission stationary. While the theory of logarithmic spiral bevel gear meshing is still in its infancy, it does provide a good starting point for understanding how it works.
This geometry has many different solutions. However, the main two are defined by the root angle of the gear and pinion and the diameter of the spiral gear. The latter is a difficult one to constrain. A 3D sketch of a bevel gear tooth is used as a reference. The radii of the tooth space profile are defined by end point constraints placed on the bottom corners of the tooth space. Then, the radii of the gear tooth are determined by the angle.
The cone distance Am of a spiral gear is also known as the tooth geometry. The cone distance should correlate with the various sections of the cutter path. The cone distance range Am must be able to correlate with the pressure angle of the flanks. The base radii of a bevel gear need not be defined, but this geometry should be considered if the bevel gear does not have a hypoid offset. When developing the tooth geometry of a spiral bevel gear, the first step is to convert the terminology to pinion instead of gear.
The normal system is more convenient for manufacturing helical gears. In addition, the helical gears must be the same helix angle. The opposite hand helical gears must mesh with each other. Likewise, the profile-shifted screw gears need more complex meshing. This gear pair can be manufactured in a similar way to a spur gear. Further, the calculations for the meshing of helical gears are presented in Table 7-1.
Gear

Design of spiral bevel gears

A proposed design of spiral bevel gears utilizes a function-to-form mapping method to determine the tooth surface geometry. This solid model is then tested with a surface deviation method to determine whether it is accurate. Compared to other right-angle gear types, spiral bevel gears are more efficient and compact. CZPT Gear Company gears comply with AGMA standards. A higher quality spiral bevel gear set achieves 99% efficiency.
A geometric meshing pair based on geometric elements is proposed and analyzed for spiral bevel gears. This approach can provide high contact strength and is insensitive to shaft angle misalignment. Geometric elements of spiral bevel gears are modeled and discussed. Contact patterns are investigated, as well as the effect of misalignment on the load capacity. In addition, a prototype of the design is fabricated and rolling tests are conducted to verify its accuracy.
The three basic elements of a spiral bevel gear are the pinion-gear pair, the input and output shafts, and the auxiliary flank. The input and output shafts are in torsion, the pinion-gear pair is in torsional rigidity, and the system elasticity is small. These factors make spiral bevel gears ideal for meshing impact. To improve meshing impact, a mathematical model is developed using the tool parameters and initial machine settings.
In recent years, several advances in manufacturing technology have been made to produce high-performance spiral bevel gears. Researchers such as Ding et al. optimized the machine settings and cutter blade profiles to eliminate tooth edge contact, and the result was an accurate and large spiral bevel gear. In fact, this process is still used today for the manufacturing of spiral bevel gears. If you are interested in this technology, you should read on!
The design of spiral bevel gears is complex and intricate, requiring the skills of expert machinists. Spiral bevel gears are the state of the art for transferring power from one system to another. Although spiral bevel gears were once difficult to manufacture, they are now common and widely used in many applications. In fact, spiral bevel gears are the gold standard for right-angle power transfer.While conventional bevel gear machinery can be used to manufacture spiral bevel gears, it is very complex to produce double bevel gears. The double spiral bevel gearset is not machinable with traditional bevel gear machinery. Consequently, novel manufacturing methods have been developed. An additive manufacturing method was used to create a prototype for a double spiral bevel gearset, and the manufacture of a multi-axis CNC machine center will follow.
Spiral bevel gears are critical components of helicopters and aerospace power plants. Their durability, endurance, and meshing performance are crucial for safety. Many researchers have turned to spiral bevel gears to address these issues. One challenge is to reduce noise, improve the transmission efficiency, and increase their endurance. For this reason, spiral bevel gears can be smaller in diameter than straight bevel gears. If you are interested in spiral bevel gears, check out this article.
Gear

Limitations to geometrically obtained tooth forms

The geometrically obtained tooth forms of a spiral gear can be calculated from a nonlinear programming problem. The tooth approach Z is the linear displacement error along the contact normal. It can be calculated using the formula given in Eq. (23) with a few additional parameters. However, the result is not accurate for small loads because the signal-to-noise ratio of the strain signal is small.
Geometrically obtained tooth forms can lead to line and point contact tooth forms. However, they have their limits when the tooth bodies invade the geometrically obtained tooth form. This is called interference of tooth profiles. While this limit can be overcome by several other methods, the geometrically obtained tooth forms are limited by the mesh and strength of the teeth. They can only be used when the meshing of the gear is adequate and the relative motion is sufficient.
During the tooth profile measurement, the relative position between the gear and the LTS will constantly change. The sensor mounting surface should be parallel to the rotational axis. The actual orientation of the sensor may differ from this ideal. This may be due to geometrical tolerances of the gear shaft support and the platform. However, this effect is minimal and is not a serious problem. So, it is possible to obtain the geometrically obtained tooth forms of spiral gear without undergoing expensive experimental procedures.
The measurement process of geometrically obtained tooth forms of a spiral gear is based on an ideal involute profile generated from the optical measurements of one end of the gear. This profile is assumed to be almost perfect based on the general orientation of the LTS and the rotation axis. There are small deviations in the pitch and yaw angles. Lower and upper bounds are determined as - 10 and -10 degrees respectively.
The tooth forms of a spiral gear are derived from replacement spur toothing. However, the tooth shape of a spiral gear is still subject to various limitations. In addition to the tooth shape, the pitch diameter also affects the angular backlash. The values of these two parameters vary for each gear in a mesh. They are related by the transmission ratio. Once this is understood, it is possible to create a gear with a corresponding tooth shape.
As the length and transverse base pitch of a spiral gear are the same, the helix angle of each profile is equal. This is crucial for engagement. An imperfect base pitch results in an uneven load sharing between the gear teeth, which leads to higher than nominal loads in some teeth. This leads to amplitude modulated vibrations and noise. In addition, the boundary point of the root fillet and involute could be reduced or eliminate contact before the tip diameter.

China Professional China Harmonic Drive Strain Wave Gear for 6 Axis Robot Arm   spurs gearChina Professional China Harmonic Drive Strain Wave Gear for 6 Axis Robot Arm   spurs gear
editor by CX