Product Description

Particulars Images:

1.It is geared up with an angular get in touch with ball bearing, so it can help the exterior load with the rigid moment and large allowable moment
2.Straightforward assemble, tiny vibration
3.It can decrease the motor straight junction (input equipment) and inertia
4.Large torsional rigidity
5.Robust affect resistance (five hundred% of rated torque)
six.The crankshaft is supported by 2 columns in the reducer
seven.Outstanding starting efficiency & Modest wear and prolonged support lifestyle
eight.Small backlash (1arc. Min.) & Use rolling bearing
9.Strong effect resistance (500% of rated torque)
10.The number of simultaneous engagements in between RV equipment and needle tooth is huge

Benefits:
1. High precision, large torque
2. Devoted specialized personnel can be on the go to give design remedies
3. Manufacturing facility immediate income fantastic workmanship tough good quality assurance
4. Solution quality problems have a 1-year warranty time, can be returned for substitute or restore

Business profile:

HangZhou CZPT Technological innovation Co., Ltd. was established in 2014. Dependent on lengthy-phrase gathered experience in mechanical layout and producing, numerous types of harmonic reducers have been created in accordance to the various needs of clients. The firm is in a phase of fast advancement. , Tools and staff are continuously increasing. Now we have a group of experienced technical and managerial staff, with superior gear, total testing approaches, and solution manufacturing and design abilities. Product design and style and generation can be carried out in accordance to buyer wants, and a range of substantial-precision transmission parts this kind of as harmonic reducers and RV reducers have been shaped the items have been offered in domestic and world-wide(Such as United states, Germany, Turkey, India) and have been utilised in industrial robots, machine tools, health-related tools, laser processing, chopping, and dispensing, Brush making, LED tools producing, precision digital tools, and other industries have proven a good popularity.
In the potential, Hongwing will adhere to the function of collecting skills, maintaining shut to the marketplace, and technological innovation, have forward the value pursuit in the field of harmonic drive&RV reducers, look for the widespread growth of the organization and the society, and quietly develop alone into a well-identified brand name with unbiased intellectual residence rights. Top quality supplier in the field of precision transmission”.

Power manufacturing unit:

Our plant has an total campus The amount of workshops is around 300 Whether or not it really is from the manufacturing of raw components and the procurement of raw materials to the inspection of concluded items, we’re carrying out it ourselves. There is a complete production method

Parameter:

Rated Table
Output rotational pace (rpm) 5 ten 15 20 25 thirty forty 50 sixty
Model Speed ratio code Transmission Ratio(R) Output Torque  (Nm)
/
Enter the capability (kW
Rotation of axes Housing rotation
RV-6E 31 31 30 101
/ .07
81
/ .11
72
/ .fifteen
66
/ .19
62
/ .22
58
/ .twenty five
54
/ .30
50
/ .35
47
/ .40
43 forty three 42
53.five fifty three.five 52.5
fifty nine 59 58
seventy nine seventy nine 78
103 103 102
RV-20E 57 57 56 231
/ .sixteen
188
/ .26
167
/ .35
153
/ .forty three
143
/ .fifty
135
/ .fifty seven
124
/ .70
115
/ .81
110
/ .ninety two
eighty one eighty one 80
one hundred and five one zero five 104
121 121 120
141 141 140
161 161 160
RV-40E 57 fifty seven 56 572
/ .forty
465
/ .sixty five
412
/ .86
377
/ 1.05
353
/ 1.23
334
/ 1.forty
307
/ 1.seventy one
287
/ 2.00
271
/ 2.27
eighty one 81 80
a hundred and five one zero five 104
121 121 120
153 153 152
RV-80E fifty seven 57 56 1,088
/ .seventy six
885
/ 1.24
784
/ 1.sixty four
719
/ 2.01
672
/ 2.35
637
/ 2.67
584
/ 3.26
546
/ 3.81
517
/ 4.33
81 81 80
a hundred and one one hundred and one 100
121 121 120
153 one(153) 1(152)
RV-110E 81 81 80 1,499
/ 1.05
1,215
/ 1.70
1,078
/ 2.26
990
/ 2.76
925
/ 3.23
875
/ 3.sixty seven
804
/ 4.49
   
111 111 110
161 161 160
one hundred seventy five 1227/seven 1220/seven
RV-160E eighty one 81 80 2,176
/ 1.52
1,774
/ 2.48
1,568
/ 3.28
1,441
/ 4.02
1,343
/ 4.69
1,274
/ 5.34
     
one hundred and one one hundred and one 100
129 129 128
145 a hundred forty five 144
171 171 170
RV-320E 81 81 80 4,361
/ 3.04
3,538
/ 4.ninety four
3,136
/ 6.57
2,881
/ 8.05
2,695
/ 9.41
2,548
/ 10.seven
     
101 101 100
118.five 118.5 117.5
129 129 128
141 141 140
171 171 170
185 185 184
RV-450E 81 eighty one 80 6,135
/ 4.28
4,978
/ 6.95
4,410
/ 9.24
4,047
/ eleven.3
3,783
/ 13.2
       
101 101 100
118.five 118.5 117.5
129 129 128
154.eight 2013/13 2000/thirteen
171 171 170
192 1347/7 1340/7
Be aware: 1. The allowable output velocity is impacted by duty cycle, load, and ambient temperature. When the allowable output pace is above NS1, remember to seek advice from our company about the safety measures.
2. Compute the enter potential (kW) by the adhering to formula.
Input potential (kW) =(2π*N*T)/(sixty*η/100*10*ten*10)   N: output velocity (RPM)
T: output torque (nm)
η =  75: reducer effectiveness (%)
 The enter ability is the reference benefit.
3. When employing the reducer at a lower temperature, the no-load running torque will boost, so you should shell out interest when deciding on the motor.
(refer to p.ninety three lower-temperature qualities)

T0
Rated torque(Remark .7)
N0
Rated output velocity
K
Rated daily life
TS1
Allowable commencing and stopping torque
TS2
Instantaneous greatest allowable torque
NS0
Allowable optimum output speed
(Remark .1)
Backlash Empty length MAX. Angle transmission mistake MAX. A agent price of commencing efficiency MO1
Allowable instant
(Remark .4)
MO2
Instantaneous optimum allowable moment
Wr
Allowable radial load
(Remark .10)
               I
Converted value of inertia second input shaft
(Remark .5)
Fat
(Nm) (rpm) (h) (Nm) (Nm) (r/min) (arc.sec.) (arc.min.) (arc.sec.) (%) (Nm) (Nm) (N) (kgm2) (kg)
58 30 6,000 117 294 100 1.five 1.5 80 70 196 392 2,one hundred forty 2.63×10-six 2.five
2.00×10-six
one.53×10-6
one.39×10-six
one.09×10-six
.74×10-6
167 15 6,000 412 833 75 1. 1. 70 75 882 1,764 7,785 9.66×10-6 4.7
six.07×10-six
4.32×10-six
3.56×10-six
2.88×10-6
two.39×10-six
412 15 6,000 1,571 2,058 70 1. 1. 60 85 1,666 3,332 11,594 three.25×10-5 9.3
2.20×10-five
1.63×10-five
one.37×10-five
1.01×10-5
784 15 6,000 1,960 Bolt tightening 3920 70 1. 1. 50 85 Bolt fastening 2156 Bolt tightening Bolt tightening 12988 8.16×10-five Bolt tightening thirteen.one
6.00×10-5
4.82×10-five
Pin blend 3185 Pin mixture 1735 Pin mix 2156 Pin mixture 1571 Pin mixture 12.7
3.96×10-5
two.98×10-five
1,078 15 6,000 2,695 5,390 50 1. 1. 50 85 2,940 5,880 16,648 nine.88×10-5 17.4
six.96×10-5
four.36×10-5
three.89×10-5
1,568 15 6,000 3,920 Bolt tightening 7840 45 1. 1. 50 85 3,920 Bolt tightening 7840 18,587 1.77×10-4 26.4
1.40×10-4
1.06×10-4
Pin and use 6615 Pin and use 6762
.87×10-four
.74×10-four
3,136 15 6,000 7,840 Bolt tightening 15680 35 1. 1. 50 80 Bolt tightening 7056 Bolt tightening 14112 Bolt tightening 28067 four.83×10-4 44.three
3.79×10-four
3.15×10-4
2.84×10-four
Pin mixture 12250 Pin mixture 6174 Pin and use 1571 Pin blend 24558
2.54×10-four
1.97×10-4
one.77×10-four
4,410 15 6,000 11,571 Bolt tightening 22050 25 1. 1. 50 85 8,820 Bolt tightening 17640 30,133 8.75×10-4 66.4
6.91×10-four
5.75×10-four
5.20×10-four
Pin and use 18620 Pin and use 13524
4.12×10-4
3.61×10-4
three.07×10-four
4. The allowable torque will fluctuate according to the thrust load. Make sure you affirm by the allowable minute line diagram (p.ninety one).
five. The worth of inertia instant is the value of the reducer human body. The second of inertia of the enter gear is not incorporated.
six. For second stiffness and torsion stiffness, you should refer to the calculation of inclination angle and torsion angle (p.99).
7. Rated torque refers to the torque value reflecting the rated life at rated output pace, not the info showing the upper limit of load. Make sure you refer to the glossary (p.eighty one) and item variety circulation chart (p.82).
eight. If you want to buy goods other than the previously mentioned velocity ratio, make sure you consult our organization.
9. The previously mentioned technical specs are received in accordance to the company’s evaluation strategy. Make sure you validate that the product satisfies the use conditions of carrying actual aircraft just before use.
10. When a radial load is utilized to dimension B, please use it in the allowable radial load assortment.
11. 1 RV-80e r = 153 is only output shaft bolt fastening type( P.twenty,21)

Exhibition:

Applications:

FQA:
Q: What should I offer when I pick a gearbox/velocity reducer?
A: The very best way is to offer the motor drawing with parameters. Our engineer will verify and advocate the most appropriate gearbox design for your reference.
Or you can also give the underneath specification as effectively:
one) Kind, product, and torque.
2) Ratio or output velocity
3) Functioning condition and link approach
four) Good quality and set up device identify
five) Input manner and enter speed
6) Motor model model or flange and motor shaft dimension
 

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)

|
Request Sample

###

Customization:

###

Rated Table
Output rotational speed (rpm) 5 10 15 20 25 30 40 50 60
Model Speed ratio code Transmission Ratio(R) Output Torque  (Nm)
/
Enter the capacity (kW
Rotation of axes Housing rotation
RV-6E 31 31 30 101
/ 0.07
81
/ 0.11
72
/ 0.15
66
/ 0.19
62
/ 0.22
58
/ 0.25
54
/ 0.30
50
/ 0.35
47
/ 0.40
43 43 42
53.5 53.5 52.5
59 59 58
79 79 78
103 103 102
RV-20E 57 57 56 231
/ 0.16
188
/ 0.26
167
/ 0.35
153
/ 0.43
143
/ 0.50
135
/ 0.57
124
/ 0.70
115
/ 0.81
110
/ 0.92
81 81 80
105 105 104
121 121 120
141 141 140
161 161 160
RV-40E 57 57 56 572
/ 0.40
465
/ 0.65
412
/ 0.86
377
/ 1.05
353
/ 1.23
334
/ 1.40
307
/ 1.71
287
/ 2.00
271
/ 2.27
81 81 80
105 105 104
121 121 120
153 153 152
RV-80E 57 57 56 1,088
/ 0.76
885
/ 1.24
784
/ 1.64
719
/ 2.01
672
/ 2.35
637
/ 2.67
584
/ 3.26
546
/ 3.81
517
/ 4.33
81 81 80
101 101 100
121 121 120
153 1(153) 1(152)
RV-110E 81 81 80 1,499
/ 1.05
1,215
/ 1.70
1,078
/ 2.26
990
/ 2.76
925
/ 3.23
875
/ 3.67
804
/ 4.49
   
111 111 110
161 161 160
175 1227/7 1220/7
RV-160E 81 81 80 2,176
/ 1.52
1,774
/ 2.48
1,568
/ 3.28
1,441
/ 4.02
1,343
/ 4.69
1,274
/ 5.34
     
101 101 100
129 129 128
145 145 144
171 171 170
RV-320E 81 81 80 4,361
/ 3.04
3,538
/ 4.94
3,136
/ 6.57
2,881
/ 8.05
2,695
/ 9.41
2,548
/ 10.7
     
101 101 100
118.5 118.5 117.5
129 129 128
141 141 140
171 171 170
185 185 184
RV-450E 81 81 80 6,135
/ 4.28
4,978
/ 6.95
4,410
/ 9.24
4,047
/ 11.3
3,783
/ 13.2
       
101 101 100
118.5 118.5 117.5
129 129 128
154.8 2013/13 2000/13
171 171 170
192 1347/7 1340/7
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 p.93 low-temperature characteristics)

###

T0
Rated torque(Remark .7)
N0
Rated output speed
K
Rated life
TS1
Allowable starting and stopping torque
TS2
Instantaneous maximum allowable torque
NS0
Allowable maximum output speed
(Remark .1)
Backlash Empty distance MAX. Angle transmission error MAX. A representative value of starting efficiency MO1
Allowable moment
(Remark .4)
MO2
Instantaneous maximum allowable moment
Wr
Allowable radial load
(Remark .10)
               I
Converted value of inertia moment input shaft
(Remark .5)
Weight
(Nm) (rpm) (h) (Nm) (Nm) (r/min) (arc.sec.) (arc.min.) (arc.sec.) (%) (Nm) (Nm) (N) (kgm2) (kg)
58 30 6,000 117 294 100 1.5 1.5 80 70 196 392 2,140 2.63×10-6 2.5
2.00×10-6
1.53×10-6
1.39×10-6
1.09×10-6
0.74×10-6
167 15 6,000 412 833 75 1.0 1.0 70 75 882 1,764 7,785 9.66×10-6 4.7
6.07×10-6
4.32×10-6
3.56×10-6
2.88×10-6
2.39×10-6
412 15 6,000 1,029 2,058 70 1.0 1.0 60 85 1,666 3,332 11,594 3.25×10-5 9.3
2.20×10-5
1.63×10-5
1.37×10-5
1.01×10-5
784 15 6,000 1,960 Bolt tightening 3920 70 1.0 1.0 50 85 Bolt fastening 2156 Bolt tightening Bolt tightening 12988 8.16×10-5 Bolt tightening 13.1
6.00×10-5
4.82×10-5
Pin combination 3185 Pin combination 1735 Pin combination 2156 Pin combination 10452 Pin combination 12.7
3.96×10-5
2.98×10-5
1,078 15 6,000 2,695 5,390 50 1.0 1.0 50 85 2,940 5,880 16,648 9.88×10-5 17.4
6.96×10-5
4.36×10-5
3.89×10-5
1,568 15 6,000 3,920 Bolt tightening 7840 45 1.0 1.0 50 85 3,920 Bolt tightening 7840 18,587 1.77×10-4 26.4
1.40×10-4
1.06×10-4
Pin and use 6615 Pin and use 6762
0.87×10-4
0.74×10-4
3,136 15 6,000 7,840 Bolt tightening 15680 35 1.0 1.0 50 80 Bolt tightening 7056 Bolt tightening 14112 Bolt tightening 28067 4.83×10-4 44.3
3.79×10-4
3.15×10-4
2.84×10-4
Pin combination 12250 Pin combination 6174 Pin and use 10976 Pin combination 24558
2.54×10-4
1.97×10-4
1.77×10-4
4,410 15 6,000 11,025 Bolt tightening 22050 25 1.0 1.0 50 85 8,820 Bolt tightening 17640 30,133 8.75×10-4 66.4
6.91×10-4
5.75×10-4
5.20×10-4
Pin and use 18620 Pin and use 13524
4.12×10-4
3.61×10-4
3.07×10-4
4. The allowable torque will vary according to the thrust load. Please confirm by the allowable moment line diagram (p.91).
5. The value of inertia moment is the value of the reducer body. The moment of inertia of the input gear is not included.
6. For moment stiffness and torsion stiffness, please refer to the calculation of inclination angle and torsion angle (p.99).
7. 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).
8. If you want to buy products other than the above speed ratio, please consult our company.
9. 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.
10. When a radial load is applied to dimension B, please use it within the allowable radial load range.
11. 
1 RV-80e r = 153 is only output shaft bolt fastening type( P.20,21)
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)

|
Request Sample

###

Customization:

###

Rated Table
Output rotational speed (rpm) 5 10 15 20 25 30 40 50 60
Model Speed ratio code Transmission Ratio(R) Output Torque  (Nm)
/
Enter the capacity (kW
Rotation of axes Housing rotation
RV-6E 31 31 30 101
/ 0.07
81
/ 0.11
72
/ 0.15
66
/ 0.19
62
/ 0.22
58
/ 0.25
54
/ 0.30
50
/ 0.35
47
/ 0.40
43 43 42
53.5 53.5 52.5
59 59 58
79 79 78
103 103 102
RV-20E 57 57 56 231
/ 0.16
188
/ 0.26
167
/ 0.35
153
/ 0.43
143
/ 0.50
135
/ 0.57
124
/ 0.70
115
/ 0.81
110
/ 0.92
81 81 80
105 105 104
121 121 120
141 141 140
161 161 160
RV-40E 57 57 56 572
/ 0.40
465
/ 0.65
412
/ 0.86
377
/ 1.05
353
/ 1.23
334
/ 1.40
307
/ 1.71
287
/ 2.00
271
/ 2.27
81 81 80
105 105 104
121 121 120
153 153 152
RV-80E 57 57 56 1,088
/ 0.76
885
/ 1.24
784
/ 1.64
719
/ 2.01
672
/ 2.35
637
/ 2.67
584
/ 3.26
546
/ 3.81
517
/ 4.33
81 81 80
101 101 100
121 121 120
153 1(153) 1(152)
RV-110E 81 81 80 1,499
/ 1.05
1,215
/ 1.70
1,078
/ 2.26
990
/ 2.76
925
/ 3.23
875
/ 3.67
804
/ 4.49
   
111 111 110
161 161 160
175 1227/7 1220/7
RV-160E 81 81 80 2,176
/ 1.52
1,774
/ 2.48
1,568
/ 3.28
1,441
/ 4.02
1,343
/ 4.69
1,274
/ 5.34
     
101 101 100
129 129 128
145 145 144
171 171 170
RV-320E 81 81 80 4,361
/ 3.04
3,538
/ 4.94
3,136
/ 6.57
2,881
/ 8.05
2,695
/ 9.41
2,548
/ 10.7
     
101 101 100
118.5 118.5 117.5
129 129 128
141 141 140
171 171 170
185 185 184
RV-450E 81 81 80 6,135
/ 4.28
4,978
/ 6.95
4,410
/ 9.24
4,047
/ 11.3
3,783
/ 13.2
       
101 101 100
118.5 118.5 117.5
129 129 128
154.8 2013/13 2000/13
171 171 170
192 1347/7 1340/7
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 p.93 low-temperature characteristics)

###

T0
Rated torque(Remark .7)
N0
Rated output speed
K
Rated life
TS1
Allowable starting and stopping torque
TS2
Instantaneous maximum allowable torque
NS0
Allowable maximum output speed
(Remark .1)
Backlash Empty distance MAX. Angle transmission error MAX. A representative value of starting efficiency MO1
Allowable moment
(Remark .4)
MO2
Instantaneous maximum allowable moment
Wr
Allowable radial load
(Remark .10)
               I
Converted value of inertia moment input shaft
(Remark .5)
Weight
(Nm) (rpm) (h) (Nm) (Nm) (r/min) (arc.sec.) (arc.min.) (arc.sec.) (%) (Nm) (Nm) (N) (kgm2) (kg)
58 30 6,000 117 294 100 1.5 1.5 80 70 196 392 2,140 2.63×10-6 2.5
2.00×10-6
1.53×10-6
1.39×10-6
1.09×10-6
0.74×10-6
167 15 6,000 412 833 75 1.0 1.0 70 75 882 1,764 7,785 9.66×10-6 4.7
6.07×10-6
4.32×10-6
3.56×10-6
2.88×10-6
2.39×10-6
412 15 6,000 1,029 2,058 70 1.0 1.0 60 85 1,666 3,332 11,594 3.25×10-5 9.3
2.20×10-5
1.63×10-5
1.37×10-5
1.01×10-5
784 15 6,000 1,960 Bolt tightening 3920 70 1.0 1.0 50 85 Bolt fastening 2156 Bolt tightening Bolt tightening 12988 8.16×10-5 Bolt tightening 13.1
6.00×10-5
4.82×10-5
Pin combination 3185 Pin combination 1735 Pin combination 2156 Pin combination 10452 Pin combination 12.7
3.96×10-5
2.98×10-5
1,078 15 6,000 2,695 5,390 50 1.0 1.0 50 85 2,940 5,880 16,648 9.88×10-5 17.4
6.96×10-5
4.36×10-5
3.89×10-5
1,568 15 6,000 3,920 Bolt tightening 7840 45 1.0 1.0 50 85 3,920 Bolt tightening 7840 18,587 1.77×10-4 26.4
1.40×10-4
1.06×10-4
Pin and use 6615 Pin and use 6762
0.87×10-4
0.74×10-4
3,136 15 6,000 7,840 Bolt tightening 15680 35 1.0 1.0 50 80 Bolt tightening 7056 Bolt tightening 14112 Bolt tightening 28067 4.83×10-4 44.3
3.79×10-4
3.15×10-4
2.84×10-4
Pin combination 12250 Pin combination 6174 Pin and use 10976 Pin combination 24558
2.54×10-4
1.97×10-4
1.77×10-4
4,410 15 6,000 11,025 Bolt tightening 22050 25 1.0 1.0 50 85 8,820 Bolt tightening 17640 30,133 8.75×10-4 66.4
6.91×10-4
5.75×10-4
5.20×10-4
Pin and use 18620 Pin and use 13524
4.12×10-4
3.61×10-4
3.07×10-4
4. The allowable torque will vary according to the thrust load. Please confirm by the allowable moment line diagram (p.91).
5. The value of inertia moment is the value of the reducer body. The moment of inertia of the input gear is not included.
6. For moment stiffness and torsion stiffness, please refer to the calculation of inclination angle and torsion angle (p.99).
7. 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).
8. If you want to buy products other than the above speed ratio, please consult our company.
9. 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.
10. When a radial load is applied to dimension B, please use it within the allowable radial load range.
11. 
1 RV-80e r = 153 is only output shaft bolt fastening type( P.20,21)

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.
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editor by czh 2023-01-14