Merchandise Description
Particulars Photos:
1. Hollow system, which can insert cables within the reducer, so as to understand the area-preserving style of the device
two. Created-in mechanism of the principal bearing: the dependability is enhanced and the complete price is diminished
three. Angular speak to ball bearings are mounted, so they can help external hundreds. Because of its substantial rigidity and massive moment bearing capacity, it can be applied to rotating shafts It can reduce the number of components necessary Effortless set up
four.2-stage reduction system: modest vibration, tiny gD2, the slow revolution velocity of RV equipment, reduced vibration, reduced motor immediate junction (input equipment), and inertia
five. Double column assist mechanism: large torsional rigidity Strong affect resistance (five hundred% of rated torque) The crankshaft can be supported by 2 columns
six. Rolling contact system: outstanding starting effectiveness Little put on and prolonged provider daily life Small backlash (1arc. Min.) Use of rolling bearings
7. Needle gear system: small backlash (1arc. Min.), strong affect resistance (500% of rated torque), and a lot more simultaneous meshing of RV gear and needle teeth
Advantages:
1. Large torsional rigidity, substantial torque
two. Focused technological personnel can be on the go to supply design and style solutions
3. Manufacturing facility direct product sales wonderful workmanship durable top quality assurance
4. Solution high quality issues have a one-calendar year guarantee time, can be returned for alternative or mend
Business profile:
HangZhou CZPT Technologies Co., Ltd. was recognized in 2014. Primarily based on lengthy-expression accrued knowledge in mechanical design and style and producing, different varieties of harmonic reducers have been produced according to the various needs of customers. The firm is in a stage of quick improvement. , Gear and personnel are continually growing. Now we have a group of experienced technical and managerial personnel, with innovative products, total testing approaches, and solution manufacturing and design and style capabilities. Product style and production can be carried out in accordance to customer needs, and a variety of large-precision transmission parts such as harmonic reducers and RV reducers have been shaped the merchandise have been offered in domestic and world-wide(This sort of as United states of america, Germany, Turkey, India) and have been employed in industrial robots, equipment equipment, medical products, laser processing, slicing, and dispensing, Brush creating, LED equipment production, precision digital gear, and other industries have recognized a great popularity.
In the foreseeable future, Hongwing will adhere to the goal of gathering talents, maintaining near to the market, and technological innovation, carry ahead the price pursuit in the subject of harmonic generate&RV reducers, seek the common advancement of the organization and the modern society, and quietly build by itself into a nicely-recognized brand with impartial mental residence legal rights. Top quality provider in the area of precision transmission”.
Toughness manufacturing facility:
Our plant has an complete campus The amount of workshops is around 300 Regardless of whether it really is from the production of raw supplies and the procurement of raw materials to the inspection of concluded goods, we’re carrying out it ourselves. There is a comprehensive generation technique
HST-I Parameter:
Score desk | ||||||||||||||
Output speed (rpm) | 5 | ten | 15 | 20 | twenty five | thirty | forty | fifty | 60 | |||||
Model | Speed ratio code | R Pace ratio |
Output torque (nm) Input capacity (kw) |
|||||||||||
Axis rotation | Shell rotation | |||||||||||||
RV-10C | 27 | 27 | 26 | 136 / .09 |
111 / .sixteen |
98 / .21 |
ninety / .twenty five |
eighty four / .29 |
80 / .34 |
seventy three / .forty one |
sixty eight / .forty seven |
sixty five / .fifty four |
||
RV-27C | 36.57 | 1,390/38 | 1352/38 | 368 / .26 |
299 / .42 |
265 / .fifty five |
243 / .sixty eight |
227 / .seventy nine |
215 / .90 |
197 / 1.10 |
184 / 1.29 |
174 / 1.46 |
||
RV-50C | 32.fifty four | 1,985/sixty one | 1924/sixty one | 681 / .48 |
554 / .seventy seven |
490 / 1.03 |
450 / 1.26 |
420 / 1.forty seven |
398 / 1.67 |
366 / 2.04 |
341 / 2.38 |
|||
RV-100C | 36.75 | 36.seventy five | 35.seventy five | 1,362 / .ninety five |
1,107 / 1.55 |
980 / 2.05 |
899 / 2.fifty one |
841 / 2.ninety four |
796 / 3.33 |
730 / 4.08 |
||||
RV-200C | 34.86 | one,499/43 | 1456/forty three | 2,724 / 1.ninety |
2,215 / 3.09 |
one,960 / 4.eleven |
one,803 / 5.04 |
one,686 / 5.88 |
one,597 / 6.sixty nine |
|||||
RV-320C | 35.61 | two,778/seventy eight | 2700/seventy eight | 4,361 / 3.04 |
3,538 / 4.ninety four |
three,136 / 6.fifty seven |
2,881 / 8.05 |
2,690 / 9.forty one |
||||||
RV-500C | 37.34 | three,099/eighty three | 3016/eighty three | 6,811 / 4.seventy five |
five,537 / 7.73 |
four,900 / ten.26 |
four,498 / 12.56 |
|||||||
Note: 1. The allowable output speed is impacted by obligation cycle, load, and ambient temperature. When the allowable output pace is previously mentioned NS1, please consult our organization about the precautions. 2. Estimate the input potential (kW) by the subsequent formulation. |
||||||||||||||
Input capacity (kW)=2π*N*T/sixty*η/one hundred*ten*ten*ten | N: output pace (RPM) T: output torque (nm) η = 75: reducer effectiveness (%) |
|||||||||||||
The enter capacity is the reference value. 3. When employing the reducer at a low temperature, the no-load operating torque will improve, so please shell out focus when deciding on the motor. (refer to reduced-temperature traits) |
T0 Rated torque (be aware. 7) |
N0 Rated output speed |
K Rated daily life |
TS1 Allowable beginning and stopping torque |
TS2 Instantaneous greatest allowable torque |
NS0 Allowable greatest output velocity (Observe 1) |
Backlash | Empty variety MAX. | Angle transfer Mistake MAX. | Start off performance signifies the benefit | MO1 MO1. Permissible minute (Notice.4) |
MO2 Momstant second Permissible moment |
Wr Allowable radial load (Be aware.9) |
I Transformed price of inertia second enter shaft (observe. 5) |
Minute of inertia I (I = GD2 / 4) regular heart gear |
bodyweight |
(Nm) | (rpm) | (h) | (Nm) | (Nm) | (r/min) | (arc.sec.) | (arc.min.) | (arc.sec.) | (%) | (Nm) | (Nm) | (N) | (kgm2) | (kgm2) | (kg) |
ninety eight | fifteen | 6,000 | 245 | 490 | eighty | 1. | 1. | 70 | 75 | 686 | one,372 | 5,755 | 1.38×10-5 | .678×10-three | four.six |
264.6 | 15 | 6,000 | 662 | one,323 | sixty | one. | one. | 70 | eighty | 980 | 1,960 | six,520 | .550×10-4 | .563×10-3 | eight.five |
490 | 15 | 6,000 | 1,225 | Bolt fastening 2,450 | 50 | 1. | 1. | 60 | 75 | 1,764 | 3,528 | 9,428 | 1.82×10-4 | 0.363×10-two | 14.six |
By way of-gap bolt fastening 1,960 | |||||||||||||||
980 | 15 | 6,000 | 2,450 | Bolt fastening 4,900 | 40 | 1. | 1. | 50 | 80 | 2,450 | 4,900 | 11,802 | 0.475×10-3 | 0.953×10-2 | 19.five |
Via-gap bolt fastening 3,430 | |||||||||||||||
1,960 | 15 | 6,000 | 4,900 | Bolt fastening 9,800 | 30 | 1. | 1. | 50 | 80 | 8,820 | 17,640 | 31,455 | 1.39×10-3 | 1.94×10-2 | 55.6 |
By way of-hole bolt fastening 7,350 | |||||||||||||||
3,136 | 15 | six,000 | 7,840 | 15,680 | twenty five | one. | one. | fifty | 85 | 20,580 | 39,200 | fifty seven,087 | .518×10-2 | .405×10-one | 79.five |
four,900 | 15 | six,000 | twelve,250 | 24,five hundred | 20 | 1. | one. | fifty | eighty | 34,300 | seventy eight,four hundred | eighty two,970 | .996×10-two | 1.014×10-one | 154 |
4. The allowable torque will differ according to the thrust load. Please validate by the allowable instant line diagram. 5. For moment stiffness and torsion stiffness, make sure you refer to the inclination angle and torsion angle calculation. six. Rated torque refers to the torque worth reflecting the rated life at rated output pace, not the knowledge exhibiting the higher restrict of load. Remember to refer to the glossary (p.eighty one) and merchandise variety stream chart (p.eighty two). 7. The above specs are received in accordance to the company’s analysis strategy. You should verify that the item fulfills the use situations of carrying real aircraft prior to use. 8. When the radial load is inside of dimension B, make sure you use it inside of the allowable radial load range. |
Apps:
FQA:
Q: What ought to I give when I choose a gearbox/pace reducer?
A: The ideal way is to give the motor drawing with parameters. Our engineer will check and suggest the most suited gearbox model for your reference.
Or you can also provide the underneath specification as effectively:
one) Variety, product, and torque.
2) Ratio or output velocity
3) Operating problem and connection approach
four) Quality and put in device name
five) Enter method and enter speed
6) Motor model product or flange and motor shaft measurement
US $620-1,300 / Piece | |
1 Piece (Min. Order) |
###
Application: | Motor, Motorcycle, Machinery, Agricultural Machinery |
---|---|
Hardness: | Hardened Tooth Surface |
Installation: | Horizontal Type |
Layout: | Coaxial |
Gear Shape: | Cylindrical Gear |
Step: | Single-Step |
###
Samples: |
US$ 600/Piece
1 Piece(Min.Order) |
---|
###
Customization: |
Available
|
---|
###
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) |
|||||||||||
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 |
||
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 |
||
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 |
|||
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 |
||||
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 |
|||||
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 |
||||||
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 |
|||||||
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. |
||||||||||||||
Input capacity (kW)=2π*N*T/60*η/100*10*10*10 | N: output speed (RPM) T: output torque (nm) η = 75: reducer efficiency (%) |
|||||||||||||
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) |
###
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. |
US $620-1,300 / Piece | |
1 Piece (Min. Order) |
###
Application: | Motor, Motorcycle, Machinery, Agricultural Machinery |
---|---|
Hardness: | Hardened Tooth Surface |
Installation: | Horizontal Type |
Layout: | Coaxial |
Gear Shape: | Cylindrical Gear |
Step: | Single-Step |
###
Samples: |
US$ 600/Piece
1 Piece(Min.Order) |
---|
###
Customization: |
Available
|
---|
###
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) |
|||||||||||
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 |
||
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 |
||
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 |
|||
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 |
||||
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 |
|||||
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 |
||||||
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 |
|||||||
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. |
||||||||||||||
Input capacity (kW)=2π*N*T/60*η/100*10*10*10 | N: output speed (RPM) T: output torque (nm) η = 75: reducer efficiency (%) |
|||||||||||||
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) |
###
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. |
Condition Monitoring of Cyclone Gearboxes
Whether you’re considering using a cycloidal gearbox in your home, office, or garage, you’ll want to make sure it’s made of quality material. You also want to make sure it’s designed properly, so it won’t be damaged by vibrations.
Planetary gearboxes
Compared to cycloidal gearboxes, planetary gearboxes are lighter and more compact, but they lack the precision and durability of the former. They are better suited for applications with high torque or speed requirements. For this reason, they are usually used in robotics applications. But, cycloidal gearboxes are still better for some applications, including those involving shock loads.
There are many factors that affect the performance of gearboxes during production. One of these is the number of teeth. In the case of planetary gearboxes, the number of teeth increases with the number of planets. The number of teeth is reduced in cycloidal gearboxes, which results in higher transmission ratios. These gearboxes also have lower breakaway torques, which means that they can be controlled more easily by the user.
A cycloid gearbox is comprised of three main parts: the ring gear, the sun gear, and the input shaft. The ring gear is fixed in the gearbox, while the sun gear transmits the rotation to the planet gears. The input shaft transfers motion to the sun gear, which in turn transmits it to the output shaft. The output shaft has a larger torque than the input shaft.
Cycloid gears have better torsional stiffness, lower wear, and lower Hertzian contact stress. However, they are also larger in size and require highly accurate manufacturing. Cycloid gears can be more difficult to manufacture than involute gears, which require large amounts of precision.
Cycloid gears can offer transmission ratios up to 300:1, and they can do this in a small package. They also have lower wear and friction, which makes them ideal for applications that require a high transmission ratio.
Cycloid gearboxes are usually equipped with a backlash of about one angular minute. This backlash provides the precision and control necessary for accurate movement. They also provide low wear and shock load capacity.
Planetary gearboxes are available in single and two-stage designs, which increase in length as stages are added. In addition to the two stages, they can be equipped with an optional output bearing, which takes up mounting space. In some applications, a third stage is also available.
Involute gears
Generally, involute gears are more complex to manufacture than cycloidal gears. For example, an involute gear tooth profile has a single curve while a cycloidal gear tooth profile has two curves. In addition, the involute curve is not within the base circle.
The involute curve is a very important component of a gear tooth and it can significantly influence the quality of contact meshing between teeth. Various works have been done on the subject, mainly focusing on the operating principles. In addition, the most important characteristic of the double-enveloping cycloid drive is its double contact lines between the meshing tooth pairs.
Cycloid gears are more powerful, less noisy, and last longer than involute gears. They also require less manufacturing operations during production. However, cycloid gears are more expensive than involute gears. Involute gears are more commonly used in linear motions while cycloid gears are used for rotary motions.
Although cycloid gears are more technically advanced, involute gears have the superior quality and are more aesthetically pleasing. Cycloid gears are used in various industrial applications such as pumps and compressors. They are also widely used in the watch industry. Nevertheless, involute gears have not yet replaced cycloid gears in the watch industry.
The cycloid disc has a number of pins around its outer edge, while an involute gear has only a single curve for the teeth. In addition, cycloid gears have a more robust and reliable design. Involute gears, on the other hand, have a cheaper rack cutter and less expensive involute teeth.
The cycloid disc’s transmission accuracy is about 98.5%, while the ring gear’s transmission accuracy is about 96%. The cycloid disc’s rotational velocity has a magnitude of 3 rad/s. A small change in the center distance does not affect the transmission accuracy. However, rotational velocity fluctuation can affect the transmission accuracy.
Cycloid gears also have the cycloid gear disc’s rotational velocity. The disc has N lobes. However, the cycloid gear disc’s transmission accuracy is still not perfect. This is because of the large rotational angles between the lobes. This also makes it difficult to manufacture.
Vibrations
Using modern techniques for vibration diagnostics and data-driven methods, this article presents a new approach to condition monitoring of cycloidal gearboxes. This approach focuses on detecting the root cause of gearbox failure. The article aims to provide a unified approach to gear designers.
A cycloidal gearbox is a high-precision gearbox that is used in heavy-duty machines. It has a large reduction ratio, which makes it necessary to have a very large input speed. Cycloid gears have high accuracy, but they are susceptible to vibration issues. In this article, the authors describe how a cycloidal gearbox works and how vibrations are measured. They also show how this gearbox can be used to detect faults.
The gearbox is used in positioners, multi-axis robots, and heavy-duty machines. The main characteristics of this gearbox are the high accuracy, the overload capacity, and the large reduction ratio.
There is little documentation on vibrations and condition monitoring of cycloidal gearboxes. The authors describe their approach to the problem, using a cycloidal gearbox and a testing bench. Their approach involves measuring the frequency of the gearbox with different input speeds.
The results show a good separation between the healthy and damaged states. Fault frequencies show up in the lower orders of frequencies. Faults can be detected using binning, which eliminates the need for a tachometer. In addition, binning is combined with Principal Component Analysis to determine the state of the gearbox.
This method is compared to traditional techniques. In addition, the results show how binning can be used to calculate the defect frequencies of the bearings. It is also used to determine the frequencies of the components.
The signals from the test bench are acquired using four sensors. These sensors are medium sensitivity 100 mV/g accelerometers. The signals are then processed using different signal processing techniques. The results show that the vibration signals are correlated with the internal motion of the gearbox. This information is used to identify the internal frequency of the transmission.
The frequency analysis of vibration signals is performed in cyclostationary and noncyclostationary conditions. The signals are then analyzed to determine the magnitude of the gear meshing frequency.
Design
Using precision gearboxes, servomotors can now control heavy loads at high speed. Unlike cam indexing devices, cycloidal gears provide extremely accurate positioning and high torque. They also provide excellent torsional stiffness and shock load capacity.
Cycloid gears are specially designed to minimize vibration at high RPM. Unlike involute gears, they are not stacked, which reduces friction and forces experienced by each tooth. In addition, cycloidal gears have lower Hertzian contact stress.
Cycloid gears are often used in multi-axis robots for positioners. They can provide transmission ratios as high as 300:1 in a compact package. They are also used in first joints in heavy machines. However, they require extremely accurate manufacturing. They are also more difficult to produce than involute gears.
A cycloidal gearbox is a type of planetary gearbox. Cycloid gears are specially designed for high gear ratios. They also have the ability to provide a large reduction ratio in a single stage. They are increasingly used in first joints in heavy machines. They are also becoming more common in robotics.
In order to achieve a large reduction ratio, the input speed of the gear must be very high. Generally, the input speed is between 500 rpm and 4500 rpm. However, in some cases, the input speed may be lower.
A cycloid is formed by rolling a rolling circle on a base circle. The ratio between the rolling circle diameter and the base circle diameter determines the shape of the cycloid. A hypocycloid is formed by rolling primarily on the inside of the base circle, while an epicycloid is formed by rolling primarily on the outside of the base circle.
Cycloid gears have a very small backlash, which minimizes the forces experienced by each tooth. These gears also have a good torsional stiffness, low friction, and shock load capacity. They also provide the best positioning accuracy.
The cycloidal gearbox was designed and built at Radom University. The design was based on three different cycloidal gears. The first pair had the external profile at the nominal dimension, while the second pair had the profile minus tolerance. The load plate had threaded screw holes arranged 15 mm away from the center.
editor by czh 2023-01-14