China Good quality Flexible Jm Diaphragm Shaft Coupling pto shaft extension

Product Description

JMII Type Diaphragm Coupling(JB/T9147-1999)

JMII Elastic Diaphragm Coupling belong to JM series diaphragm couplings. They are made up of several groups of diaphragms (stainless steel thin wrench), and bolts are interlaced with 2 halves of couplings. Each diaphragm is made up of several sheets. The diaphragm is divided into connecting rod type and whole shape with different shapes. Its elastic deformation is used to compensate the relative displacement of the 2 axes, and it is a high performance flexible coupling of metal elastic elements. No lubrication, compact structure, high strength, long service life, no rotation clearance, no influence on temperature and oil pollution, it has the characteristics of acid resistance, alkali resistance and corrosion resistance.

JMII Type Diaphragm Coupling Main Dimension(JB/T9147-1999)

Type Nominal torque
Tn
Peak torque
Tmax
Max
Speed
nmax
Bore
Diameter
d,d1
Bore length D D1 t Torsional rigidity×106 Mass Rotary
inertia
J1 type Y
type
L
(recommend)
L
N·m N·m r·min-1 mm N·m/rad kg kg·m2
JMII1 40 63 10700 14 27 32 35 80 39 8±0.2 0.37 0.9 0.0005
16,18,19 30 42
20,22,24 38 52
25,28 44 62
JMII2 63 100 9300 20,22,24 38 52 40 92 53 0.45 1.4 0.0011
25,28 44 62
30,32,35,38 60 82
JMII3 100 200 8400 25,28 44 62 45 102 63 0.56 2.1 0.002
30,32,35,38 60 82
40,42,45 84 112
JMII4 250 400 6700 30,32,35,38 60 82 55 128 77 11±0.3 0.81 4.2 0.006
40,42,45,48,50,55 84 112
JMII5 500 800 5900 35,38 60 82 65 145 91 1.2 6.4 0.012
40,42,45,48,50,55,56 84 112
60,63,65 107 142
JMII6 800 1250 5100 40,42,45,48,50,55,56 84 112 75 168 105 14±0.3 1.42 9.6 0.571
60,63,65,70,71,75 107 142
JMII7 1000 2000 4750 45,48,50,55,56 84 112 80 180 112 15±0.4 1.9 12.5 0.0365
60,63,65,70,71,75 107 142
80 132 172
JMII8 1600 3150 4300 50,55,56 84 112 200 120 2.35 15.5 0.057
60,63,65,70,71,75 107 142
80,85 132 172
JMII9 2500 4000 4200 55,56 84 112 205 120 20±0.4 2.7 16.5 0.065
60,63,65,70,71,75 107 142
80,85 132 172
JMII10 3150 5000 4000 55,56 84 112 90 215 128 20±0.4 3.02 19.5 0.083
60,63,65,70,71,75 107 142
80,85,90 132 172
JMII11 4000 6300 3650 60,63,65,70,71,75 107 142 100 235 132 23±0.5 3.46 25 0.131
80,85,90,95 132 172
JMII12 5000 8000 3400 63,65,70,71,75 107 142 250 145 3.67 30 0.174
80,85,90,95 132 172
100 167 212
JMII13 6300 10000 3200 63,65,70,71,75 107 142 110 270 155 5.2 36 0.239
80,85,90,95 132 172
100,110 167 212
JMII14 8000 12500 2850 65,70,71,75 107 142 115 300 162 27±0.6 7.8 45 0.38
80,85,90,95 132 172
100,110 167 212
JMII15 10000 16000 2700 70,71,75 107 142 125 320 176 8.43 55 0.5
80,85,90,95 132 172
100,110,120,125 167 212
JMII16 12500 20000 2450 75 107 142 140 350 186 32±0.7 10.23 75 0.85
80,85,90,95 132 172
100,110,120,125 167 212
130 202 252
JMII17 16000 25000 2300 80,85,90,95 132 172 145 370 203 10.97 85 1.1
100,110,120,125 167 212
130,140 202 252
JMII18 20000 31500 2150 90,95 132 172 165 400 230 13.07 115 1.65
100,110,120,125 167 212
130,140,150 202 252
160 242 302
JMII19 25000 40000 1950 100,110,120,125 167 212 175 440 245 38±0.9 14.26 150 2.69
130,140,150 202 252
160,170 242 302
JMII20 31500 50000 1850 110,120,125 167 212 185 460 260 22.13 170 3.28
130,140,150 202 252
160,170,180 242 302
JMII21 35500 56000 1800 120,125 167 212 200 480 280 38±0.9 23.7 200 4.28
130,140,150 202 252
160,170,180 242 302
190,200 282 352
JMII22 40000 63000 1700 130,140,150 202 252 210 500 295 24.6 230 5.18
160,170,180 242 302
190,200 282 352
JMII23 50000 80000 1600 140,150 202 252 220 540 310 44±1 29.71 275 7.7
160,170,180 242 302
190,200,220 282 352
JMII24 63000 10000 1450 150 202 252 240 600 335 50±1.2 32.64 380 9.3
160,170,180 242 302
190,200,220 282 352
240 330 410
JMII25 80000 125000 1400 160,170,180 242 302 255 620 350 37.69 410 15.3
190,200,220 282 352
240,250 330 410
JMII26 90000 140000 1300 160 242 302 275 660 385 50.43 510 20.9
190,200,220 282 352
240,250,260 330 410
JMII27 112000 180000 1200 190,200,220 282 352 295 720 410 60±1.4 71.51 620 32.4
240,250,260 330 410
280 380 470
JMII28 140000 20000 1150 220 282 352 300 740 420 93.37 680 36
240,250,260 330 410
280,300 380 470
JMII29 160000 224000 1100 240,250,260 330 410 320 770 450 114.53 780 43.9
280,300,320 380 470
JMII30 180000 280000 1050 250,260 330 410 350 820 490 130.76 950 60.5
280,300,320 380 470
340 450 550

Product Display

♦Other Products List

Transmission Machinery 
Parts Name
Model
Universal Coupling WS,WSD,WSP
Cardan Shaft SWC,SWP,SWZ
Tooth Coupling CL,CLZ,GCLD,GIICL,
GICL,NGCL,GGCL,GCLK
Disc Coupling JMI,JMIJ,JMII,JMIIJ
High Flexible Coupling LM
Chain Coupling GL
Jaw Coupling LT
Grid Coupling JS

Our Company

HangZhou CZPT Machinery Manufacturing Co., Ltd. is a high-tech enterprise specializing in the design and manufacture of various types of coupling. There are 86 employees in our company, including 2 senior engineers and no fewer than 20 mechanical design and manufacture, heat treatment, welding, and other professionals.

Advanced and reasonable process, complete detection means. Our company actively introduces foreign advanced technology and equipment, on the basis of the condition, we make full use of the advantage and do more research and innovation. Strict to high quality and operate strictly in accordance with the ISO9000 quality certification system standard mode.

Our company supplies different kinds of products. High quality and reasonable price. We stick to the principle of “quality first, service first, continuous improvement and innovation to meet the customers” for the management and “zero defect, zero complaints” as the quality objective.

Our Services
1. Design Services
Our design team has experience in Cardan shafts relating to product design and development. If you have any needs for your new product or wish to make further improvements, we are here to offer our support.

2. Product Services
raw materials → Cutting → Forging →Rough machining →Shot blasting →Heat treatment →Testing →Fashioning →Cleaning→ Assembly→Packing→Shipping

3. Samples Procedure
We could develop the sample according to your requirement and amend the sample constantly to meet your need.

4. Research & Development
We usually research the new needs of the market and develop new models when there are new cars in the market.

5. Quality Control
Every step should be a particular test by Professional Staff according to the standard of ISO9001 and TS16949.

FAQ
Q 1: Are you a trading company or a manufacturer?
A: We are a professional manufacturer specializing in manufacturing
various series of couplings.

Q 2:Can you do OEM?
Yes, we can. We can do OEM & ODM for all customers with customized PDF or AI format artworks.

Q 3:How long is your delivery time?
Generally, it is 20-30 days if the goods are not in stock. It is according to quantity.

Q 4: Do you provide samples? Is it free or extra?
Yes, we could offer the sample but not for free. Actually, we have an excellent price principle, when you make the bulk order the cost of the sample will be deducted.

Q 5: How long is your warranty?
A: Our Warranty is 12 months under normal circumstances.

Q 6: What is the MOQ?
A: Usually our MOQ is 1pcs.

Q 7: Do you have inspection procedures for coupling?
A:100% self-inspection before packing.

Q 8: Can I have a visit to your factory before the order?
A: Sure, welcome to visit our factory.

Q 9: What’s your payment?
A:1) T/T. 

Contact Us

Web: huadingcoupling
Add: No.11 HangZhou Road,Chengnan park,HangZhou City,ZheJiang Province,China

Standard Or Nonstandard: Standard
Shaft Hole: 19-32
Torque: 70-80N.M
Bore Diameter: 14mm
Speed: 8000r/M
Structure: Flexible
Samples:
US$ 500/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

Shaft Collar

Safety Precautions For a PTO Shaft

When you are working around PTOs, be sure to observe several safety precautions. These include removing the shield, keeping a safe distance from the machine, and avoiding entanglement. Entanglement is a serious injury that can even lead to death. Workers who are near the machine should always maintain a safe distance, especially if the speed of the machine is fast enough to entangle clothing. The speed of the PTO is usually 540 to 1,000 revolutions per minute, and the speed is enough to cause injury in a split second.

Safety precautions

One of the most important safety precautions for a PTO shaft is to make sure that it is properly guarded at all times. An unguarded PTO shaft can entanglement a worker, cause an injury, or even cause death. Operator awareness is key in preventing this hazard. Among other things, workers should not make repairs while the PTO is in use or wear loose or frayed clothing when working near the PTO. Likewise, they should read and follow instructions provided with their tractor and implement. Finally, they should use PTO shafts only for their intended purpose.
Another important safety precaution is to wear a protective gear such as a helmet and gloves before operating a PTO shaft. This type of equipment can be extremely dangerous because of its speed. A PTO shaft that is rotating at 540 rpm can travel two metres in less than a second. Damaged shielding is a common cause of entanglement, so it is important to check your machinery for damage before operating it.
When operating a tractor, PTOs should be kept clear of loose clothing. Loose clothing can easily catch on a rotating PTO shaft. Long hair or jewelry can also become entangled in a PTO shaft. It is also important to remember to secure the PTO shaft guard when the tractor is not in use. Also, never engage a PTO when the engine is off.

Types of pto shafts

PTO shafts are used in tractors and other equipment to secure the secondary gear in the tractor. They are available in different styles and sizes. These shafts are designed to withstand pressure, impacts, and tension. They may also include a shear pin and slip clutch. Before buying a new PTO shaft, make sure to check its measurements.
There are two types of PTO shafts available in an Agric rototiller. The first one has a slip clutch and the other has a shear pin safety device. In order to identify the type of PTO shaft used in a particular tractor, it is important to understand what it is used for.
There are two types of PTO shafts: the external and internal. The latter is used for larger machines, such as a lawnmower. The former is suitable for agricultural applications and is the preferred type for large tractors. The former is suitable for plowing, mowing, and shredding.
Transmission PTO shafts are the oldest type of PTO. They are connected to the tractor’s transmission. When a tractor is in gear, it stops the PTO shaft. However, when it’s not, it’s ineffective and can pose serious problems, such as when mowing. This type of PTO can also cause an overrun clutch to prevent the PTO shaft from working properly.
Shaft Collar

Reaction time

It’s important to know your reaction time when working around a power take-off (PTO) shaft. This part of the machine rotates at approximately 540 revolutions per minute and can pull in seven feet per second. Reaction time can be affected by age, physical condition, medications, lack of sleep, and stress. If you’re working around a PTO, be sure to remove any loose jewelry or other items that might interfere with your reaction time.
PTO accidents can be caused by several factors. The operator, the machine, and the environment all play a role. The operator’s physical and mental condition can also contribute to unsafe actions. For example, young operators may lack the knowledge and experience to recognize hazards. Older workers may also have slower reaction times, which can make it difficult to react quickly to slippery work areas.
Reaction time is measured as the time between a stimulus and the response. It does not include the time required to move the hand. Reaction time is a critical factor in sports, where athletes need to be quick to respond to the moves of their opponents. A good reaction time is necessary to score points.
A demonstration of the speed of a PTO shaft is a great tool to demonstrate how dangerous this part of a machine can be. To demonstrate the speed, use a 7-foot sash cord tied to a sliding collar universal joint. Select a 540-rpm PTO shaft, and a three-inch diameter shield. In one second, the rotating shaft makes nine revolutions and travels 7.1 feet. However, a cordless drill does not rotate at full speed and will take at least two seconds to wrap around the string.

Standardization

The standardization of PTO shafts in tractors is a major project. The EU Machinery Directive requires the protection of operators from rotating parts, such as the PTO. This is especially important when parts are accessible, as clothing can easily be wrapped around them, resulting in an accident. To prevent such accidents, manufacturers have begun to install non-rotating guards over the PTO drive shaft. These guards comply with the current EU good practice.
The European Standard EN 12965:2003+A2:2009 specifies the safety requirements for PTO drive shafts and their guards. It also specifies safe working practices for these components. The standard was approved by CEN on 16 September 2019. It is important to follow these regulations to ensure safe operation.
In the 1980s, a movement began among agricultural engineers to standardize the PTO shaft. The movement began because the different types of PTO shafts had not been interchangeable. A common example is the Deutz-Fendt shaft, which had become a standard for tractors.
As the power for PTO drives comes from the gearbox, the counter shaft acts as the PTO outlet. Standardization of PTO speeds makes it easier for manufacturers to design equipment to meet a specified speed. For example, a thresher is expected to run at a specific peripheral velocity of the threshing cylinder, which is a function of standard PTO speeds. This also allows designers to plan pulley arrangements with the standard PTO speed in mind.
Shaft Collar

Safety chains

The PTO shaft is an integral part of a tractor or implement, so it’s essential to secure it with safety chains. These chains are welded to both ends of the shaft and serve as backup connections between the tractor and trailer coupling point. There are several types of chains available, from domestic to metric, to meet your specific needs.
Because of the high speeds of PTO shafts, it’s crucial to protect these parts from being tangled. A single fall of a PTO shaft can cause serious injury or even death. In such an unfortunate situation, safety chains can prevent such injuries. PTO shafts are also extremely dangerous because the components can become hot while they are operating.
In addition to safety chains, operators must also be aware of the hazards that can occur when working near a PTO shaft. Unsafe behaviors, such as performing repairs while operating a machine, or wearing frayed clothing can lead to serious injury or death. In addition, all users should follow the instructions on the tractor or implement they’re using. It’s also essential to use a PTO shaft for its intended purpose.
In addition to safety chains, farmers should also ensure that the PTO drive shaft is securely attached to the tractor or implement. A broken or damaged PTO guard can be just as dangerous as an unprotected shaft. In addition, a poorly fitting PTO guard may provide a false sense of security. For this reason, it’s important to use protective clothing when operating a tractor or implement powered by a PTO.

Shield

The CZPT-Co universal fit PTO shaft shield is a simple and easy to use shield that has a patented lever release. The shield comes in two sizes, the smaller diameter shield is for shafts with a diameter of 1 5/16″ to 2 1/8″ and the larger diameter shield fits shafts of 2″ to 3 1/8″. Each shield is pre-installed with an assortment of bearings. The shield’s length is measured from the end of the yoke bearing groove to the other end.
If you’ve ever tried to work on a PTO shaft, you know that it can be frustrating. A PTO shaft shield is a safety device that covers the shaft and prevents it from rotating. These shields are also designed to be easy to connect and remove. The CZPT safety clip makes it easy to connect or disconnect the shield, and locks into place to prevent it from rotating with the inner driveshaft. The CZPT material used in RPM Transmissions driveline safety shields is strong and rigid.
Another improvement of this PTO shaft shield is the bracket that supports the two-piece PTO shaft and outer shield. The bracket is shown in FIG. 2 as an angled front view. FIG. 7 is a side elevation view of the bracket mounted to the machine tongue.
China Good quality Flexible Jm Diaphragm Shaft Coupling   pto shaft extensionChina Good quality Flexible Jm Diaphragm Shaft Coupling   pto shaft extension
editor by CX 2023-06-07