Solution Description
DC 24V 26rpm Minimal velocity Minimal Electrical power Micro Planetary Gearbox
Merchandise Description
Model: ZWMD571571-256
- Rated Voltage: 24v
- No Load Speed: 28 rpm
- No Load Current: 120mA
- Rated Load Speed: 26rpm
- Rated Load Current: three hundred mA
- Rated Load Torque: 4050 gf.cm
- Rated Torque of Equipment Box: 5000 gf.cm
- Immediate Torque of Equipment Box: 10000 gf.cm
- Overall Length L: 71.7 mm
- Equipment Box Duration L1: 33.4 mm
We also have the following products:
Product | Application Parameters | Rated Torque of Gear Box |
Instant Torque of Equipment Box |
Gear Ratio |
Gear Box Duration L1 |
|||||||
Rated |
At No Load |
At Rated Load | Overall Duration L |
|||||||||
Voltage |
Speed |
Current |
Velocity |
Current |
Torque |
|||||||
VDC | rpm | mA | rpm | mA | gf.cm | mN.m | mm | gf.cm | gf.cm | mm | ||
ZWMD571571-four | 24. | 1886 | a hundred | 1675 | 295 | one hundred sixty | 15.7 | 56.4 | 800 | 2400 | 4 | 18.1 |
ZWMD571571-5 | 24. | 1509 | 100 | 1340 | 295 | 200 | 19.6 | 800 | 2400 | 5 | ||
ZWMD571571-16 | 24. | 472 | 110 | 419 | 295 | 512 | fifty.two | 61.five | 2000 | 6000 | sixteen | 23.two |
ZWMD571571-19 | 24. | 397 | a hundred and ten | 353 | 295 | 608 | fifty nine.6 | 2000 | 6000 | 19 | ||
ZWMD571571-23 | 24. | 328 | one hundred ten | 291 | 295 | 736 | seventy two.two | 2000 | 6000 | 23 | ||
ZWMD571571-sixty four | 24. | 118 | 120 | one zero five | 295 | 1350 | 132.four | 66.six | 3500 | 10000 | sixty four | 28.3 |
ZWMD571571-seventy six | 24. | ninety nine | a hundred and twenty | 88 | 295 | 1603 | 157.two | 3500 | 10000 | 76 | ||
ZWMD571571-90 | 24. | eighty four | one hundred twenty | seventy four | 295 | 1898 | 186.two | 3500 | ten thousand | ninety | ||
ZWMD571571-107 | 24. | seventy one | one hundred twenty | sixty three | 295 | 2257 | 221.3 | 3500 | 10000 | 107 | ||
ZWMD571571-256 | 24. | 28 | one hundred twenty | 26 | three hundred | 4050 | 397.two | seventy one.seven | 5000 | 10000 | 256 | 33.4 |
ZWMD571571-304 | 24. | 24 | a hundred and twenty | 22 | three hundred | 4809 | 472 | 5000 | ten thousand | 304 | ||
ZWMD571571-361 | 24. | twenty | one hundred twenty | 19 | three hundred | 5000 | 490 | 5000 | 10000 | 361 | ||
ZWMD571571-429 | 24. | seventeen | 120 | sixteen | 300 | 5000 | 490 | 5000 | ten thousand | 429 | ||
ZWMD571571-509 | 24. | 14 | 120 | 13 | three hundred | 3500 | 343 | 3500 | 10000 | 509 |
earlier mentioned requirements just for reference and customizable in accordance to specifications.
Can be Integrated Travel Manage Module.
You should enable us know your requirements and we will provide you with micro transmission options.
Second Drawing:
Detailed Images
Software
Wise wearable devices | look at,VR,AR,XR and and many others. |
Home software | kitchen appliances, sewing equipment, corn popper, vacuum cleaner, yard tool, sanitary ware, window curtain, clever closestool, sweeping robot, power seat, standing desk, electrical couch, Television, pc, treadmill, spyhole, cooker hood, electric drawer, electric mosquito internet, smart cupboard, smart wardrobe, automated soap dispenser, UV baby bottle sterilizer, lifting sizzling pot cookware, dishwasher, washing equipment, foodstuff breaking device, dryer, air conditioning, dustbin, coffee machine, whisk,smart lock,bread maker,Window cleansing robotic and and so on. |
interaction equipment | 5G base station,video conference,mobile cellphone and and so on. |
Place of work automation equipments | scanners, printers, multifunction devices copy devices, fax (FAX paper cutter), personal computer peripheral, bank device, screen, lifting socket, show,notebook Computer and and so forth. |
Automotive products | conditioning damper actuator, car DVD,door lock actuator, retractable rearview mirror, meters, optic axis manage gadget, head light-weight beam level adjuster, vehicle h2o pump, car antenna, lumbar help, EPB, automobile tail gate electric putter, HUD, head-up show, automobile sunroof, EPS, AGS, auto window, head restraint, E-booster, car seat, vehicle charging station and and many others. |
Toys and models | radio manage design, automated cruise handle, ride-on toy, educational robot, programming robotic, health care robot, computerized feeder, clever constructing blocks, escort robotic and etc. |
Health care equipments | blood pressure meter, breath device, medical cleansing pump, health care mattress, blood strain displays, medical ventilator, surgical staplers, infusion pump, dental instrument, self-clotting cutter, wound cleansing pump for orthopedic surgical procedure,digital cigarette, eyebrow pencil,fascia gun, , surgical robotic,laboratory automation and and so forth. |
Industrials | flow handle valves, seismic screening,automated reclosing,Agricultural unmanned aerial car,automated feeder ,smart express cupboard and etc. |
Electric powered energy tools | electric drill, screwdriver,garden device and and so on. |
Precision instruments | optics devices,computerized vending device, wire-stripping device and and so on. |
Individual care | tooth brush, hair clipper, electric powered shaver, massager, vibrator, hair dryer, rubdown equipment, scissor hair machine, foot grinder,anti-myopia pen, facial elegance products, hair roller,Electric threading knife,Energy Best PORE, Puff machine,eyebrow tweezers and etc. |
Buyer electronics | digicam, cellular mobile phone,electronic digicam, computerized retracting system,camcorder, kinescope DVD,headphone stereo, cassette tape recorder, bluetooth earbud charging circumstance, turntable, pill,UAV(unmanned aerial car),surveillance camera,PTZ camera, rotating intelligent speaker and and so on. |
robots | educational robot, programming robotic, medical robotic, escort robot and and so forth. |
Firm Profile
HangZhou CZPT Machinery & Electronics Co., Ltd was established in 2001,We offer the complete drive answer for customers from style, tooling fabrication, elements manufacturing and assembly.
Workshop
Tests Tools
1) Competitive Benefits
- one) Competitive Advantages
19+yr knowledge in manufacturing motor gearbox
We provide technical support from r&d, prototype, tests, assembly and serial production , ODM &OEM
Competitive Value
Solution Functionality: Low noise, Substantial performance, Extended lifespan
Prompt Shipping and delivery: 15 functioning times soon after payment
Little Orders Accepted
2) Main Goods
-
Precision reduction gearbox and its diameter:3.4mm-38mm,voltage:1.5-24V,electrical power: .01-40W,output pace:5-2000rpm and output torque:1. gf.cm -50kgf.cm,
- Personalized worm and gear transmission machinery
- Specific electromechanical motion module
- Precise ingredient and assembly of plastic and metal powder injection.
Our Companies
- ODM & OEM
- Gearbox design and style and improvement
- Associated technologies assistance
- Micro travel gearbox personalized answer
Packaging & Shipping and delivery
one) Packing Specifics
packed in nylon to begin with, then carton, and then bolstered with wood circumstance for outer packing.
Or according to client’s requirement.
2) Delivery Particulars
samples will be transported within 10 days
batch get top time in accordance to the real predicament.
Certifications
Certifications
We Have passed to keep ISO9001:2015(CN11/3571),ISO14001:2004(U006616E0153R3M), ISO13485:2016(CN18/42018) and IATF16949:2016(CN11/3571.01).
and far more…
FAQ
FAQ
one. Can you make the gearbox with customized specs?
Indeed. We have style and advancement group, also a wonderful expression of engineers, every single of them have
a lot of function a long time experience.
two.Do you provide the samples?
Of course. Our organization can supply the samples to you, and the shipping and delivery time is about 5-15days according to the specification of gearbox you require.
3.What is your MOQ?
Our MOQ is 2000pcs. But at the commencing of our organization, we acknowledge little get.
four. Do you have the merchandise in inventory?
I am sorry we donot have the merchandise in inventory, All items are made with orders.
5. Do you offer technologies assistance?
Indeed. Our business have style and improvement staff, we can provide technological innovation assistance if you
want.
six.How to ship to us?
We will ship the products to you in accordance to the DHL or UPS or FEDEX and so forth account you offer.
seven.How to pay the cash?
We acknowledge T/T in progress. Also we have diverse lender account for getting cash, like US dollors or RMB and many others.
eight. How can I know the product is appropriate for me?
Frist, you want to provide us the much more specifics data about the solution. We will suggest the item to you in accordance to your prerequisite of specification. Following you affirm, we will prepare the samples to you. also we will provide some good developments according to your merchandise use.
9. Can I come to your firm to visit?
Of course, you can occur to our business to pay a visit to at at any time, and welcome to pay a visit to our business.
ten. How do get in touch with us ?
Please send an inquiry
US $9.5-12.8 / Piece | |
1,000 Pieces (Min. Order) |
###
Application: | Motor, Toy, Car |
---|---|
Function: | Change Drive Torque, Speed Reduction |
Layout: | Cycloidal |
Hardness: | Hardened Tooth Surface |
Installation: | Customize |
Step: | Customize |
###
Samples: |
US$ 80/Piece
1 Piece(Min.Order) |
---|
###
Customization: |
Available
|
---|
###
Model | Application Parameters | Rated Torque of Gear Box |
Instant Torque of Gear Box |
Gear Ratio |
Gear Box Length L1 |
|||||||
Rated |
At No Load |
At Rated Load | Overall Length L |
|||||||||
Voltage |
Speed |
Current |
Speed |
Current |
Torque |
|||||||
VDC | rpm | mA | rpm | mA | gf.cm | mN.m | mm | gf.cm | gf.cm | mm | ||
ZWMD022022-4 | 24.0 | 1886 | 100 | 1675 | 295 | 160 | 15.7 | 56.4 | 800 | 2400 | 4 | 18.1 |
ZWMD022022-5 | 24.0 | 1509 | 100 | 1340 | 295 | 200 | 19.6 | 800 | 2400 | 5 | ||
ZWMD022022-16 | 24.0 | 472 | 110 | 419 | 295 | 512 | 50.2 | 61.5 | 2000 | 6000 | 16 | 23.2 |
ZWMD022022-19 | 24.0 | 397 | 110 | 353 | 295 | 608 | 59.6 | 2000 | 6000 | 19 | ||
ZWMD022022-23 | 24.0 | 328 | 110 | 291 | 295 | 736 | 72.2 | 2000 | 6000 | 23 | ||
ZWMD022022-64 | 24.0 | 118 | 120 | 105 | 295 | 1350 | 132.4 | 66.6 | 3500 | 10000 | 64 | 28.3 |
ZWMD022022-76 | 24.0 | 99 | 120 | 88 | 295 | 1603 | 157.2 | 3500 | 10000 | 76 | ||
ZWMD022022-90 | 24.0 | 84 | 120 | 74 | 295 | 1898 | 186.2 | 3500 | 10000 | 90 | ||
ZWMD022022-107 | 24.0 | 71 | 120 | 63 | 295 | 2257 | 221.3 | 3500 | 10000 | 107 | ||
ZWMD022022-256 | 24.0 | 28 | 120 | 26 | 300 | 4050 | 397.2 | 71.7 | 5000 | 10000 | 256 | 33.4 |
ZWMD022022-304 | 24.0 | 24 | 120 | 22 | 300 | 4809 | 472 | 5000 | 10000 | 304 | ||
ZWMD022022-361 | 24.0 | 20 | 120 | 19 | 300 | 5000 | 490 | 5000 | 10000 | 361 | ||
ZWMD022022-429 | 24.0 | 17 | 120 | 16 | 300 | 5000 | 490 | 5000 | 10000 | 429 | ||
ZWMD022022-509 | 24.0 | 14 | 120 | 13 | 300 | 3500 | 343 | 3500 | 10000 | 509 |
###
Smart wearable devices | watch,VR,AR,XR and etc. |
Household application | kitchen appliances, sewing machines, corn popper, vacuum cleaner, garden tool, sanitary ware, window curtain, intelligent closestool, sweeping robot, power seat, standing desk, electric sofa, TV, computer, treadmill, spyhole, cooker hood, electric drawer, electric mosquito net, intelligent cupboard, intelligent wardrobe, automatic soap dispenser, UV baby bottle sterilizer, lifting hot pot cookware, dishwasher, washing machine, food breaking machine, dryer, air conditioning, dustbin, coffee machine, whisk,smart lock,bread maker,Window cleaning robot and etc. |
communication equipment | 5G base station,video conference,mobile phone and etc. |
Office automation equipments | scanners, printers, multifunction machines copy machines, fax (FAX paper cutter), computer peripheral, bank machine, screen, lifting socket, display,notebook PC and etc. |
Automotive products | conditioning damper actuator, car DVD,door lock actuator, retractable rearview mirror, meters, optic axis control device, head light beam level adjuster, car water pump, car antenna, lumbar support, EPB, car tail gate electric putter, HUD, head-up display, vehicle sunroof, EPS, AGS, car window, head restraint, E-booster, car seat, vehicle charging station and etc. |
Toys and models | radio control model, automatic cruise control, ride-on toy, educational robot, programming robot, medical robot, automatic feeder, intelligent building blocks, escort robot and etc. |
Medical equipments | blood pressure meter, breath machine, medical cleaning pump, medical bed, blood pressure monitors, medical ventilator, surgical staplers, infusion pump, dental instrument, self-clotting cutter, wound cleaning pump for orthopedic surgery,electronic cigarette, eyebrow pencil,fascia gun, , surgical robot,laboratory automation and etc. |
Industrials | flow control valves, seismic testing,automatic reclosing,Agricultural unmanned aerial vehicle,automatic feeder ,intelligent express cabinet and etc. |
Electric power tools | electric drill, screwdriver,garden tool and etc. |
Precision instruments | optics instruments,automatic vending machine, wire-stripping machine and etc. |
Personal care | tooth brush, hair clipper, electric shaver, massager, vibrator, hair dryer, rubdown machine, scissor hair machine, foot grinder,anti-myopia pen, facial beauty equipment, hair curler,Electric threading knife,POWER PERFECT PORE, Puff machine,eyebrow tweezers and etc. |
Consumer electronics | camera, mobile phone,digital camera, automatic retracting device,camcorder, kinescope DVD,headphone stereo, cassette tape recorder, bluetooth earbud charging case, turntable, tablet,UAV(unmanned aerial vehicle),surveillance camera,PTZ camera, rotating smart speaker and etc. |
robots | educational robot, programming robot, medical robot, escort robot and etc. |
US $9.5-12.8 / Piece | |
1,000 Pieces (Min. Order) |
###
Application: | Motor, Toy, Car |
---|---|
Function: | Change Drive Torque, Speed Reduction |
Layout: | Cycloidal |
Hardness: | Hardened Tooth Surface |
Installation: | Customize |
Step: | Customize |
###
Samples: |
US$ 80/Piece
1 Piece(Min.Order) |
---|
###
Customization: |
Available
|
---|
###
Model | Application Parameters | Rated Torque of Gear Box |
Instant Torque of Gear Box |
Gear Ratio |
Gear Box Length L1 |
|||||||
Rated |
At No Load |
At Rated Load | Overall Length L |
|||||||||
Voltage |
Speed |
Current |
Speed |
Current |
Torque |
|||||||
VDC | rpm | mA | rpm | mA | gf.cm | mN.m | mm | gf.cm | gf.cm | mm | ||
ZWMD022022-4 | 24.0 | 1886 | 100 | 1675 | 295 | 160 | 15.7 | 56.4 | 800 | 2400 | 4 | 18.1 |
ZWMD022022-5 | 24.0 | 1509 | 100 | 1340 | 295 | 200 | 19.6 | 800 | 2400 | 5 | ||
ZWMD022022-16 | 24.0 | 472 | 110 | 419 | 295 | 512 | 50.2 | 61.5 | 2000 | 6000 | 16 | 23.2 |
ZWMD022022-19 | 24.0 | 397 | 110 | 353 | 295 | 608 | 59.6 | 2000 | 6000 | 19 | ||
ZWMD022022-23 | 24.0 | 328 | 110 | 291 | 295 | 736 | 72.2 | 2000 | 6000 | 23 | ||
ZWMD022022-64 | 24.0 | 118 | 120 | 105 | 295 | 1350 | 132.4 | 66.6 | 3500 | 10000 | 64 | 28.3 |
ZWMD022022-76 | 24.0 | 99 | 120 | 88 | 295 | 1603 | 157.2 | 3500 | 10000 | 76 | ||
ZWMD022022-90 | 24.0 | 84 | 120 | 74 | 295 | 1898 | 186.2 | 3500 | 10000 | 90 | ||
ZWMD022022-107 | 24.0 | 71 | 120 | 63 | 295 | 2257 | 221.3 | 3500 | 10000 | 107 | ||
ZWMD022022-256 | 24.0 | 28 | 120 | 26 | 300 | 4050 | 397.2 | 71.7 | 5000 | 10000 | 256 | 33.4 |
ZWMD022022-304 | 24.0 | 24 | 120 | 22 | 300 | 4809 | 472 | 5000 | 10000 | 304 | ||
ZWMD022022-361 | 24.0 | 20 | 120 | 19 | 300 | 5000 | 490 | 5000 | 10000 | 361 | ||
ZWMD022022-429 | 24.0 | 17 | 120 | 16 | 300 | 5000 | 490 | 5000 | 10000 | 429 | ||
ZWMD022022-509 | 24.0 | 14 | 120 | 13 | 300 | 3500 | 343 | 3500 | 10000 | 509 |
###
Smart wearable devices | watch,VR,AR,XR and etc. |
Household application | kitchen appliances, sewing machines, corn popper, vacuum cleaner, garden tool, sanitary ware, window curtain, intelligent closestool, sweeping robot, power seat, standing desk, electric sofa, TV, computer, treadmill, spyhole, cooker hood, electric drawer, electric mosquito net, intelligent cupboard, intelligent wardrobe, automatic soap dispenser, UV baby bottle sterilizer, lifting hot pot cookware, dishwasher, washing machine, food breaking machine, dryer, air conditioning, dustbin, coffee machine, whisk,smart lock,bread maker,Window cleaning robot and etc. |
communication equipment | 5G base station,video conference,mobile phone and etc. |
Office automation equipments | scanners, printers, multifunction machines copy machines, fax (FAX paper cutter), computer peripheral, bank machine, screen, lifting socket, display,notebook PC and etc. |
Automotive products | conditioning damper actuator, car DVD,door lock actuator, retractable rearview mirror, meters, optic axis control device, head light beam level adjuster, car water pump, car antenna, lumbar support, EPB, car tail gate electric putter, HUD, head-up display, vehicle sunroof, EPS, AGS, car window, head restraint, E-booster, car seat, vehicle charging station and etc. |
Toys and models | radio control model, automatic cruise control, ride-on toy, educational robot, programming robot, medical robot, automatic feeder, intelligent building blocks, escort robot and etc. |
Medical equipments | blood pressure meter, breath machine, medical cleaning pump, medical bed, blood pressure monitors, medical ventilator, surgical staplers, infusion pump, dental instrument, self-clotting cutter, wound cleaning pump for orthopedic surgery,electronic cigarette, eyebrow pencil,fascia gun, , surgical robot,laboratory automation and etc. |
Industrials | flow control valves, seismic testing,automatic reclosing,Agricultural unmanned aerial vehicle,automatic feeder ,intelligent express cabinet and etc. |
Electric power tools | electric drill, screwdriver,garden tool and etc. |
Precision instruments | optics instruments,automatic vending machine, wire-stripping machine and etc. |
Personal care | tooth brush, hair clipper, electric shaver, massager, vibrator, hair dryer, rubdown machine, scissor hair machine, foot grinder,anti-myopia pen, facial beauty equipment, hair curler,Electric threading knife,POWER PERFECT PORE, Puff machine,eyebrow tweezers and etc. |
Consumer electronics | camera, mobile phone,digital camera, automatic retracting device,camcorder, kinescope DVD,headphone stereo, cassette tape recorder, bluetooth earbud charging case, turntable, tablet,UAV(unmanned aerial vehicle),surveillance camera,PTZ camera, rotating smart speaker and etc. |
robots | educational robot, programming robot, medical robot, escort robot and etc. |
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 2023-01-26