China 6mm 3V Micro Planetary Gear Motor at 4 Stages motor engine

Item Description

6mm 3V Micro Planetary Gear Motor at 4 Stages to Get to 250gf.cm 21rpm

Merchandise Description

 

Model Amount: ZWBPD006006-711

• Certification: CCC, ROHS, TST16949, SGS
• Sort: Gear Motor
• Building: Permanent Magnet
• Commutation: Brush
• Shield Attribute: Drip-proof
• Pace(RPM): 10-673rpm
• Constant Current(A): 30~100mA
• Output Energy: 0.01~.2W
• Voltage(V): 0.2~6VDC
• Performance: IE 1
• Motor dia.: 6mm
• Gearbox dia.: 6mm
• Sort: Robot mini 6mm planetary gearbox
• Equipment ratio: 5/6.5/23/30/forty one/110/148/198.4/266/531/744/952/1275/1707
• Whole duration: 26.1/28.5/30.9mm
• Shaft dia.: 2.0mm
• Materials: Plastic
• Personalized: Accepted

Design	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 Length L
	Voltage	Speed	Existing	Speed	Existing	Torque
	VDC	rpm	mA	rpm	mA	gf.cm	mN.m	mm	gf.cm	gf.cm		mm
ZWBPD006006-31	three.	595	34	502	a hundred	17.eight	one.75	26.1	250	600	30.86	12.1
ZWBPD006006-41	3.	444	34	375	100	23.9	2.34		250	600	forty one.33
ZWBPD006006-110	3.	166	37	a hundred and forty	one hundred	fifty four.3	five.33	28.5	250	600	110.6	14.five
ZWBPD006006-148	3.	124	37	one hundred and five	a hundred	seventy two.eight	7.fourteen		250	600	148.one
ZWBPD006006-198	three.	ninety three	37	78	100	ninety seven.5	9.fifty six		250	600	198.4
ZWBPD006006-266	3.	69	37	fifty eight	100	a hundred thirty.five	twelve.80		250	600	265.seven
ZWBPD006006-531	3.	35	40	29	a hundred	221.7	21.seventy four	thirty.nine	250	600	530.eight	16.9
ZWBPD006006-711	three.	26	40	21	95	250	24.fifty two		250	600	711.
ZWBPD006006-952	3.	19	forty	16	90	250	24.fifty two		250	600	952.two
ZWBPD006006-1275	three.	fourteen	forty	12	80	250	24.fifty two		250	600	1275.2
ZWBPD006006-1708	3.	11	40	10	70	250	24.52		250	600	1707.nine

earlier mentioned technical specs just for reference and customizable according to requirements.

Technical specs:

• • Voltage range: .2 to 6V DC
  • Rated voltage: 3V DC
  • Start voltage: 1V DC
  • Rotation path: CW/CCW
  • Reduction ratio: 711/1
  • Working temperature assortment: -10~50°C
  • Storage temperature variety: -twenty~60°C
  • Working situation: All instructions of output shaft
• No load:
  • Idle speed: 26±2rpm
  • Idle present: 40mA
• On Load:
  • Rated pace: 21±2rpm
  • Rated existing: 95mA
  • Rated torque: 250gf.cm
• On stall:
  • Start recent: 190mA
  • Commence torque: 110gf.cm
• Insulation resistance: 10MΩ min
• Rotor resistance: 13.5Ω±15%
• Diameter: 6mm
• Total length: 30.9mm
• Internet excess weight: 2.35g

2nd Drawing

Comprehensive Photos

Software

Smart wearable devices	watch,VR,AR,XR and and so forth.
Home software	kitchen area appliances, stitching equipment, corn popper, vacuum cleaner, backyard device, sanitary ware, window curtain, intelligent closestool, sweeping robotic, electrical power seat, standing desk, electrical sofa, Television set, laptop, treadmill, spyhole, cooker hood, electrical drawer, electric mosquito web, intelligent cabinet, clever wardrobe, automated cleaning soap dispenser, UV baby bottle sterilizer, lifting sizzling pot cookware, dishwasher, washing equipment, foods breaking equipment, dryer, air conditioning, dustbin, coffee equipment, whisk,intelligent lock,bread maker,Window cleansing robot and and many others.
communication tools	5G base station,video meeting,cellular mobile phone and and so on.
Place of work automation equipments	scanners, printers, multifunction devices duplicate machines, fax (FAX paper cutter), personal computer peripheral, lender equipment,  display, lifting socket,  display,notebook Pc and and so on.
Automotive products	conditioning damper actuator, automobile DVD,door lock actuator, retractable rearview mirror, meters, optic axis manage system, head light-weight beam stage adjuster, car h2o pump, auto antenna, lumbar assist, EPB, auto tail gate electric putter, HUD, head-up show, automobile sunroof, EPS, AGS, vehicle window, head restraint, E-booster, vehicle seat, car charging station and etc.
Toys and models	radio control model, automated cruise management, experience-on toy, educational robot, programming robotic, health-related robot, automated feeder, intelligent constructing blocks, escort robot and and so on.
Medical equipments	blood stress meter, breath machine, medical cleaning pump, health-related mattress, blood pressure screens, health-related ventilator, surgical staplers, infusion pump, dental instrument, self-clotting cutter, wound cleaning pump for orthopedic medical procedures,digital cigarette, eyebrow pencil,fascia gun, , surgical robotic,laboratory automation and etc.
Industrials	flow control valves, seismic screening,automatic reclosing,Agricultural unmanned aerial car,automated feeder ,intelligent express cabinet and and so forth.
Electrical power tools	electric powered drill, screwdriver,backyard garden tool and and so forth.
Precision instruments	optics devices,automatic vending equipment, wire-stripping machine and etc.
Individual care	tooth brush, hair clipper, electric shaver, massager, vibrator, hair dryer, rubdown device, scissor hair equipment, foot grinder,anti-myopia pen, facial beauty products, hair roller,Electric threading knife,Electrical power Ideal PORE, Puff device,eyebrow tweezers and and many others.
Buyer electronics	digicam, cell mobile phone,electronic digital camera, automated retracting gadget,camcorder,  kinescope DVD,headphone stereo, cassette tape recorder, bluetooth earbud charging circumstance, turntable, tablet,UAV(unmanned aerial car),surveillance camera,PTZ camera, rotating sensible speaker and and many others.
robots	instructional robotic, programming robotic, health care robot, escort robot and and so on.

Business Profile

HangZhou CZPT Machinery & Electronics Co., Ltd was recognized in 2001,We provide the whole push remedy for buyers from design, tooling fabrication, factors producing and assembly. 

Workshop

Testing Tools

1) Aggressive Benefits

• 1) Aggressive Positive aspects
  19+12 months expertise in production motor gearbox
  We provide complex help from r&d, prototype, testing, assembly and serial production , ODM &OEM
  Aggressive Value
  Merchandise Overall performance: Low noise, Substantial performance, Prolonged lifespan
  Prompt Shipping and delivery: fifteen doing work days right after payment
  Small Orders Approved

 2) Principal Merchandise

• Precision reduction gearbox and its diameter:3.4mm-38mm,voltage:1.5-24V,electrical power: .01-40W,output speed:5-2000rpm and output torque:1. gf.cm -50kgf.cm,

• Custom-made worm and equipment transmission machinery
• Exact electromechanical movement module
• Specific component and assembly of plastic and steel powder injection.

 

Our Companies

• ODM & OEM
• Gearbox design and style and advancement
• Related technological innovation help
• Micro push gearbox customized resolution

Packaging & Transport

1) Packing Specifics

packed in nylon to begin with, then carton, and then bolstered with picket situation for outer packing.
Or according to client’s need.

2) Transport Details

samples will be delivered within 10 days
batch buy foremost time in accordance to the true predicament.

 

Certifications

Certifications

We Have handed to hold ISO9001:2015(CN11/3571),ISO14001:2004(U006616E0153R3M), ISO13485:2016(CN18/42018) and IATF16949:2016(CN11/3571.01).

and much more…

 

FAQ

FAQ

1. Can you make the gearbox with custom made technical specs?
Indeed. We have design and growth staff, also a great phrase of engineers, every of them have
several operate many years encounter.

2.Do you offer the samples?
Sure. Our organization can offer the samples to you, and the shipping time is about 5-15days according to the specification of gearbox you need to have.

3.What is your MOQ?
Our MOQ is 2000pcs. But at the starting of our enterprise, we accept little buy.

four. Do you have the merchandise in inventory?
I am sorry we donot have the product in inventory, All products are made with orders.

five. Do you give technological innovation support?
Yes. Our organization have layout and growth staff, we can supply technologies assistance if you
need.

six.How to ship to us?
We will ship the goods to you according to the DHL or UPS or FEDEX and so forth account you provide. 

seven.How to pay the money?
We settle for T/T in progress. Also we have distinct financial institution account for receiving funds, like US dollors or RMB etc.

8. How can I know the item is suitable for me?
Frist, you need to have to supply us the much more information details about the merchandise. We will suggest the product to you in accordance to your need of specification. Following you validate, we will prepare the samples to you. also we will offer some excellent improvements according to your merchandise use.

9. Can I appear to your company to pay a visit to?
Indeed, you can arrive to our company to go to at anytime, and welcome to pay a visit to our business.

10. How do speak to us ?
 Please send an inquiry

US $9.5-11.5 / Piece |

1,000 Pieces (Min. Order)

###

Application:	Universal, Industrial, Household Appliances, Car, Power Tools, Medical Cleaning Pump
Operating Speed:	Low Speed
Excitation Mode:	Drip-Proof
Function:	Control
Casing Protection:	Permanent Magnet
Number of Poles:	4

###

Customization:	Available | Customized Request

###

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
ZWBPD006006-31	3.0	595	34	502	100	17.8	1.75	26.1	250	600	30.86	12.1
ZWBPD006006-41	3.0	444	34	375	100	23.9	2.34		250	600	41.33
ZWBPD006006-110	3.0	166	37	140	100	54.3	5.33	28.5	250	600	110.6	14.5
ZWBPD006006-148	3.0	124	37	105	100	72.8	7.14		250	600	148.1
ZWBPD006006-198	3.0	93	37	78	100	97.5	9.56		250	600	198.4
ZWBPD006006-266	3.0	69	37	58	100	130.5	12.80		250	600	265.7
ZWBPD006006-531	3.0	35	40	29	100	221.7	21.74	30.9	250	600	530.8	16.9
ZWBPD006006-711	3.0	26	40	21	95	250	24.52		250	600	711.0
ZWBPD006006-952	3.0	19	40	16	90	250	24.52		250	600	952.2
ZWBPD006006-1275	3.0	14	40	12	80	250	24.52		250	600	1275.2
ZWBPD006006-1708	3.0	11	40	10	70	250	24.52		250	600	1707.9

###

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 $9.5-11.5 / Piece |

1,000 Pieces (Min. Order)

###

Application:	Universal, Industrial, Household Appliances, Car, Power Tools, Medical Cleaning Pump
Operating Speed:	Low Speed
Excitation Mode:	Drip-Proof
Function:	Control
Casing Protection:	Permanent Magnet
Number of Poles:	4

###

Customization:	Available | Customized Request

###

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
ZWBPD006006-31	3.0	595	34	502	100	17.8	1.75	26.1	250	600	30.86	12.1
ZWBPD006006-41	3.0	444	34	375	100	23.9	2.34		250	600	41.33
ZWBPD006006-110	3.0	166	37	140	100	54.3	5.33	28.5	250	600	110.6	14.5
ZWBPD006006-148	3.0	124	37	105	100	72.8	7.14		250	600	148.1
ZWBPD006006-198	3.0	93	37	78	100	97.5	9.56		250	600	198.4
ZWBPD006006-266	3.0	69	37	58	100	130.5	12.80		250	600	265.7
ZWBPD006006-531	3.0	35	40	29	100	221.7	21.74	30.9	250	600	530.8	16.9
ZWBPD006006-711	3.0	26	40	21	95	250	24.52		250	600	711.0
ZWBPD006006-952	3.0	19	40	16	90	250	24.52		250	600	952.2
ZWBPD006006-1275	3.0	14	40	12	80	250	24.52		250	600	1275.2
ZWBPD006006-1708	3.0	11	40	10	70	250	24.52		250	600	1707.9

###

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.

How to Maximize Gear Motor Reliability

A gearmotor is a mechanical device used to transmit torque from one location to another. As its name implies, it is designed to rotate one object relative to another. Its main use is to transmit torque from one point to another. The most common types of gear motors are: worm, spur, and helical. Each of these has specific functions and can be used for a variety of applications. Reliability is also an important factor to consider when choosing a gearmotor.

Applications of a gear motor

Despite its small size, a gear motor has many applications. These include heavy machinery lifts, hospital beds, and power recliners. It is also found in many everyday products, such as electromechanical clocks and cake mixers. Its versatility allows it to produce a high force from a small electric motor. Here are some of its most common uses. You can also find a gear motor in many household appliances and vehicles.
Before selecting a gearmotor, consider the specifications of the machine you need to power. You should consider its size, weight, and ambient conditions, which include temperature regimes, noise levels, and contaminating sources. You should also take into account the envelope size, mounting method, and orientation. Other considerations include the expected service life, maintenance scope, and control type. The most suitable gearmotor for your specific application will be one that can handle the load.
The motor and gearbox types can be mixed and matched, depending on the application. A three-phase asynchronous motor and a permanent magnet synchronous servomotor are common choices for these devices. The type of motor and gearbox combination you choose will determine the power supply, the efficiency of the motor, and cost. Once you understand the application, it will be easy to integrate a gear motor into your system.
When used in industrial applications, gear motors are effective for reducing the speed of rotating shafts. One third of all industrial electric motor systems use gearing to reduce output speed. They can also save energy, which benefits the workers who operate them. In fact, industrial electric motor systems are responsible for nearly one-tenth of the carbon dioxide emissions that are produced by fossil-fueled power plants. Fortunately, efficiency and reliability are just two of the benefits of using gear motors.

Types

Before choosing a gearmotor, it is important to understand its specifications. The key factors to consider are the size, weight, and noise level of the gearmotor. Additionally, the power, torque, and speed of the motor are important factors. Specifications are also important for its operating environment, such as the temperature and the level of ingress protection. Finally, it is important to determine its duty cycle to ensure it will operate properly. To choose a suitable gearmotor, consult the specifications of your application.
Some common applications of gearmotors include packaging equipment, conveyors, and material handling applications. They also come with several advantages, including their ability to control both position and speed. This makes them ideal for applications where speed and positioning are crucial. Parallel-shaft gear units, for instance, are commonly used in conveyors, material handling, and steel mills. They are also able to operate in high-precision manufacturing. For these reasons, they are the most popular type of gearmotor.
There are three common types of gears. Helical gears have teeth that are inclined at 90 degrees to the axis of rotation, making them more efficient. Helicoidal gears, meanwhile, have a lower noise level and are therefore preferred for applications requiring high torque. Worm gears are preferred for applications where torque and speed reduction are important, and worm gears are suited for those conditions. They also have advantages over spur gears and worm gears.
The application of a gear motor is almost limitless. From heavy machine lifts to hospital bed lifting mechanisms, gear motors make it possible to use a small rotor at a high speed. Their lightweight construction also allows them to move heavy loads, such as cranes, but they do so slowly. Gear motors are an excellent choice in applications where space is an issue. A few common applications are discussed below. When choosing a gear motor, remember to choose the best size and application for your needs.

Functions

A gearmotor’s speed is directly proportional to the gear ratio. By dividing the input speed by the gear ratio, the output speed can be determined. Gear ratios above one reduce speed, while gear ratios below one increase speed. Efficiency of a gearmotor is defined as its ability to transfer energy through its gearbox. This efficiency factor takes into account losses from friction and slippage. Most gearmotor manufacturers will provide this curve upon request.
There are several factors that must be considered when choosing a gearmotor. First, the application must meet the desired speed and torque. Second, the output shaft must rotate in the desired direction. Third, the load must be properly matched to the gearmotor. Lastly, the operating environment must be considered, including the ambient temperature and the level of protection. These details will help you find the perfect gearmotor. You can compare various types of gear motors on this page and choose the one that will meet your needs.
The micro-DC gear motor is one of the most versatile types of geared motors. These motors are widely used in intelligent automobiles, robotics, logistics, and the smart city. Other applications include precision instruments, personal care tools, and cameras. They are also commonly found in high-end automotives and are used in smart cities. They also find use in many fields including outdoor adventure equipment, photography equipment, and electronics. The benefits of micro-DC gear motors are many.
The main function of a gear motor is to reduce the speed of a rotating shaft. Small electric clocks, for example, use a synchronous motor with a 1,200-rpm output speed to drive the hour, minute, and second hands. While the motor is small, the force it exerts is enormous, so it’s crucial to ensure that the motor isn’t over-powered. There is a high ratio between the input torque and the output torque.

Reliability

The reliability of a gear motor is dependent on a number of factors, including material quality, machining accuracy, and operating conditions. Gear failure is often more serious than surface fatigue, and can compromise personal safety. Reliability is also affected by the conditions of installation, assembly, and usage. The following sections provide an overview of some important factors that impact gear motor reliability. This article provides some tips to maximize gear motor reliability.
First and foremost, make sure you’re buying from a reliable supplier. Gear motors are expensive, and there is no standardization of the sizes. If a gear breaks, replacing it can take a lot of time. In the long run, reliability wins over anything. But this doesn’t mean that you can ignore the importance of gears – the quality of a gear motor is more important than how long it lasts.

Cost

The cost of a gear motor is relatively low compared to that of other forms of electric motors. This type of motor is commonly used in money counters, printers, smart homes, and automation equipment. A DC gear motor is also commonly used in automatic window machines, glass curtain walls, and banknote vending machines. There are many advantages to using a gear motor. Here are a few of them. Read on to learn more about them.
Speed management is another benefit of a gear motor. The motors tend to have less wear and tear than other motors, which means less frequent replacements. Additionally, many gear motors are easy to install and require less maintenance, which also helps reduce the overall cost of ownership. Lastly, because noise is a common concern for many electronic OEMs, DC gear motors are often quieter than their counterparts. For these reasons, they are often used in industrial settings.
Another advantage of an electric gear motor is its size and power. They are typically designed for 12V, 24V, and 48V voltages and 200-watt power. Their rated speed is 3000 rpm and their torque is 0.64 Nm. They are also more reliable than their AC counterparts and are ideal for many industrial applications. They have a high ratio of three to two, which makes them ideal for a variety of applications.
A gear motor is an electric motor that is coupled with a gear train. It uses AC or DC power, and is often called a gear reducer. The main purpose of these gear reducers is to multiply torque, while maintaining compact size and overall efficiency. However, the efficiency of a gear motor is also affected by ambient temperature and lubricants. If the gear motor is installed in the wrong location, it may be ineffective and result in premature failure of the machine.

editor by czh 2023-01-06