Descrição do produto
Details Photos:
1. Hollow mechanism, which can insert cables inside the reducer, so as to realize the space-saving design of the device
2. Built-in mechanism of the main bearing: the reliability is improved and the total cost is reduced
3. Angular contact ball bearings are installed, so they can support external loads. Because of its high rigidity and large moment bearing capacity, it can be applied to rotating shafts; It can reduce the number of components required; Easy installation
4.2-stage reduction mechanism: small vibration, small gD2, the slow revolution speed of RV gear, reduced vibration, reduced motor direct junction (input gear), and inertia
5. Double column support mechanism: high torsional rigidity; Strong impact resistance (500% of rated torque); The crankshaft can be supported by 2 columns
6. Rolling contact mechanism: excellent starting efficiency; Small wear and long service life; Small backlash (1arc. Min.); Use of rolling bearings
7. Needle gear mechanism: small backlash (1arc. Min.), strong impact resistance (500% of rated torque), and more simultaneous meshing of RV gear and needle teeth
Advantages:
1. Large torsional rigidity, 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. was established in 2014. Based on long-term accumulated experience in mechanical design and manufacturing, various types of harmonic reducers have been developed according to the different needs of customers. The company is in a stage of rapid development. , Equipment and personnel are constantly expanding. Now we have a group of experienced technical and managerial personnel, with advanced equipment, complete testing methods, and product manufacturing and design capabilities. Product design and production can be carried out according to customer needs, and a variety of high-precision transmission components such as harmonic reducers and RV reducers have been formed; the products have been sold in domestic and global(Such as USA, Germany, Turkey, India) and have been used in industrial robots, machine tools, medical equipment, laser processing, cutting, and dispensing, Brush making, LED equipment manufacturing, precision electronic equipment, and other industries have established a good reputation.
In the future, Hongwing will adhere to the purpose of gathering talents, keeping close to the market, and technological innovation, carry CZPT the value pursuit in the field of harmonic drive&RV reducers, seek the common development of the company and the society, and quietly build itself into a CZPT brand with independent intellectual property rights. Quality supplier in the field of precision transmission”.
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
Parameter:
| Rating table | ||||||||||||||
| Output speed (rpm) | 5 | 10 | 15 | 20 | 25 | 30 | 40 | 50 | 60 | |||||
| Model | Speed ratio code | R Speed ratio |
Output torque (nm) Input capacity (kw) |
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| Axis rotation | Shell rotation | |||||||||||||
| RV-10C | 27 | 27 | 26 | 136 / 0.09 |
111 / 0.16 |
98 / 0.21 |
90 / 0.25 |
84 / 0.29 |
80 / 0.34 |
73 / 0.41 |
68 / 0.47 |
65 / 0.54 |
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| RV-27C | 36.57 | 1,390/38 | 1352/38 | 368 / 0.26 |
299 / 0.42 |
265 / 0.55 |
243 / 0.68 |
227 / 0.79 |
215 / 0.90 |
197 / 1.10 |
184 / 1.29 |
174 / 1.46 |
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| RV-50C | 32.54 | 1,985/61 | 1924/61 | 681 / 0.48 |
554 / 0.77 |
490 / 1.03 |
450 / 1.26 |
420 / 1.47 |
398 / 1.67 |
366 / 2.04 |
341 / 2.38 |
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| RV-100C | 36.75 | 36.75 | 35.75 | 1,362 / 0.95 |
1,107 / 1.55 |
980 / 2.05 |
899 / 2.51 |
841 / 2.94 |
796 / 3.33 |
730 / 4.08 |
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| RV-200C | 34.86 | 1,499/43 | 1456/43 | 2,724 / 1.90 |
2,215 / 3.09 |
1,960 / 4.11 |
1,803 / 5.04 |
1,686 / 5.88 |
1,597 / 6.69 |
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| RV-320C | 35.61 | 2,778/78 | 2700/78 | 4,361 / 3.04 |
3,538 / 4.94 |
3,136 / 6.57 |
2,881 / 8.05 |
2,690 / 9.41 |
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| RV-500C | 37.34 | 3,099/83 | 3016/83 | 6,811 / 4.75 |
5,537 / 7.73 |
4,900 / 10.26 |
4,498 / 12.56 |
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| Note: 1. The allowable output speed is affected by duty cycle, load, and ambient temperature. When the allowable output speed is above NS1, please consult our company about the precautions. 2. Calculate the input capacity (kW) by the following formula. |
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| Input capacity (kW)=2π*N*T/60*η/100*10*10*10 | N: output speed (RPM) T: output torque (nm) η = 75: reducer efficiency (%) |
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| The input capacity is the reference value. 3. When using the reducer at a low temperature, the no-load running torque will increase, so please pay attention when selecting the motor. (refer to low-temperature characteristics) |
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| T0 Rated torque (note. 7) |
N0 Rated output speed |
K Rated life |
TS1 Allowable starting and stopping torque |
TS2 Instantaneous maximum allowable torque |
NS0 Allowable maximum output speed (Note 1) |
Backlash | Empty range MAX. | Angle transfer Error MAX. | Start efficiency represents the value | MO1 MO1. Permissible moment (Note.4) |
MO2 Momstant moment Permissible moment |
Wr Allowable radial load (Note.9) |
I Converted value of inertia moment input shaft (note. 5) |
Moment of inertia I (I = GD2 / 4) standard center gear |
weight |
| (Nm) | (rpm) | (h) | (Nm) | (Nm) | (r/min) | (arc.sec.) | (arc.min.) | (arc.sec.) | (%) | (Nm) | (Nm) | (N) | (kgm2) | (kgm2) | (kg) |
| 98 | 15 | 6,000 | 245 | 490 | 80 | 1.0 | 1.0 | 70 | 75 | 686 | 1,372 | 5,755 | 1.38×10-5 | 0.678×10-3 | 4.6 |
| 264.6 | 15 | 6,000 | 662 | 1,323 | 60 | 1.0 | 1.0 | 70 | 80 | 980 | 1,960 | 6,520 | 0.550×10-4 | 0.563×10-3 | 8.5 |
| 490 | 15 | 6,000 | 1,225 | Bolt fastening 2,450 | 50 | 1.0 | 1.0 | 60 | 75 | 1,764 | 3,528 | 9,428 | 1.82×10-4 | 0.363×10-2 | 14.6 |
| Through-hole bolt fastening 1,960 | |||||||||||||||
| 980 | 15 | 6,000 | 2,450 | Bolt fastening 4,900 | 40 | 1.0 | 1.0 | 50 | 80 | 2,450 | 4,900 | 11,802 | 0.475×10-3 | 0.953×10-2 | 19.5 |
| Through-hole bolt fastening 3,430 | |||||||||||||||
| 1,960 | 15 | 6,000 | 4,900 | Bolt fastening 9,800 | 30 | 1.0 | 1.0 | 50 | 80 | 8,820 | 17,640 | 31,455 | 1.39×10-3 | 1.94×10-2 | 55.6 |
| Through-hole bolt fastening 7,350 | |||||||||||||||
| 3,136 | 15 | 6,000 | 7,840 | 15,680 | 25 | 1.0 | 1.0 | 50 | 85 | 20,580 | 39,200 | 57,087 | 0.518×10-2 | 0.405×10-1 | 79.5 |
| 4,900 | 15 | 6,000 | 12,250 | 24,500 | 20 | 1.0 | 1.0 | 50 | 80 | 34,300 | 78,400 | 82,970 | 0.996×10-2 | 1.014×10-1 | 154 |
| 4. The allowable torque will vary according to the thrust load. Please confirm by the allowable moment line diagram. 5. For moment stiffness and torsion stiffness, please refer to the inclination angle and torsion angle calculation. 6. Rated torque refers to the torque value reflecting the rated life at rated output speed, not the data showing the upper limit of load. Please refer to the glossary (p.81) and product selection flow chart (p.82). 7. The above specifications are obtained according to the company’s evaluation method. Please confirm that the product meets the use conditions of carrying real aircraft before use. 8. When the radial load is within dimension B, please use it within the allowable radial load range. |
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Exhibition:
APPLICATIONS:
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, Motorcycle, Machinery, Agricultural Machinery |
|---|---|
| Hardness: | Hardened Tooth Surface |
| Installation: | Horizontal Type |
| Layout: | Coaxial |
| Gear Shape: | Cylindrical Gear |
| Step: | Single-Step |
| Samples: |
US$ 600/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
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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.
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.
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.
editor by CX 2023-07-11
