China Professional Double Diaphragm Selection Aluminum Diaphragm Coupling tractor pto shaft

Product Description

JMIIJ Type Diaphragm Coupling(JB/T9147-1999)

JMIIJ High-Quality Flexible Diaphragm Coupling compensates for two-axis misalignment, strong radial displacement, small flexibility, and large axial displacement, allowing axial, radial, and angular displacement. The JMIIJ High-Quality Double Disc Flexible Diaphragm Couplings are different from the common diaphragm couplings. They not only connect the intermediate shaft, and extend the transmission distance, but also have 2 diaphragms to increase the flexibility compensation amount, so they are also called double diaphragm couplings.

JMIIJ High-Quality Flexible Diaphragm Coupling can accurately transfer speed, and operation without rotation difference, and can be used for precision mechanical transmission. The transmission efficiency is up to 99.86% in the transmission, especially for medium and high-speed high-power transmission. It is simple in structure, light in weight, small in volume, and convenient in assembly and dismantling. Do not have to move the machine to install, without lubrication. Adapt to the high temperature (-80+300) and the bad environment work, and can be operated safely under the condition of shock and vibration. It has obvious shock absorption, no noise, and no wear, and tear.

JMIIJ Type Diaphragm Coupling Basic Parameter And Main Dimension(JB/T9147-1999)

Type Nominal torque
Tn
Peak torque
Tmax
Max
Speed
nmax
Bore
Diameter
d,d1
Bore length D D1 D2 L1min t Mass Rotary
inertia
J1 type Y
type
L
(recommend)
L1min Every 1meter of mass added
L
N·m N·m r·min-1 mm kg kg·m2
JMIIJ1 63 100 9300 20,22,24 38 52 40 92 53 45 70 8±0.2 2 4.1 0.002
25,28 44 62
30,32,35,38 60 82
JMIIJ2 100 200 8400 25,28 44 62 45 102 63 80 2.9 0.003
30,32,35,38 60 82
40,42,45 84 112
JMIIJ3 250 400 6700 30,32,35,38 60 82 55 128 77 76 96 11±0.3 5.7 8 0.009
40,42,45,48,50,55 84 112
JMIIJ4 500 800 5900 35,38 60 82 65 145 91 116 8.5 0.017
40,42,45,48,50,55,56 84 112
60,63,65 107 142
JMIIJ5 800 1250 5100 40,42,45,48,50,55,56 84 112 75 168 105 102 136 14±0.3 12.5 12 0.034
60,63,65,70,71,75 107 142
JMIIJ6 1250 2000 4750 45,48,50,55,56 84 112 80 180 112 140 15±0.4 16.5 0.053
60,63,65,70,71,75 107 142
80 132 172
JMIIJ7 2000 3150 4300 50,55,56 84 112 200 120 114 21 19 0.082
60,63,65,70,71,75 107 142
80,85 132 172
JMIIJ8 2500 4000 4200 55,56 84 112 205 120 20±0.4 23 0.092
60,63,65,70,71,75 107 142
80,85 132 172
JMIIJ9 3150 5000 4000 55,56 84 112 90 215 128 127 160 20±0.4 27 21 0.117
60,63,65,70,71,75 107 142
80,85,90 132 172
JMIIJ10 4000 6300 3650 60,63,65,70,71,75 107 142 100 235 132 170 23±0.5 36 0.191
80,85,90,95 132 172
JMIIJ11 5000 8000 3400 60,63,65,70,71,75 107 142 250 145 140 42 26 0.252
80,82,90,95 132 172
100 167 212
JMIIJ12 6300 10000 3200 60,63,65,70,71,75 107 142 110 270 155 190 50 0.349
80,85,90,95 132 172
100,110 167 212115
JMIIJ13 8000 12500 2850 65,70,71,75 107 142 115 300 162 165 200 27±0.6 66 47 0.56
80,85,90,95 132 172
100,110 167 212
JMIIJ14 10000 16000 2700 70,71,75 107 142 125 320 176 220 78 0.75
80,85,90,95 132 172
100,110,120,125 167 212
JMIIJ15 12500 20000 2450 75 107 142 140 350 186 240 32±0.7 110 51 1.26
80,85,90,95 132 172
100,110,120,125 167 212
130 202 252
JMIIJ16 16000 25000 2300 80,85,90,95 132 172 145 370 203 219 250 125 72 1.63
100,110,120,125 167 212
130,140 202 252
JMIIJ17 20000 31500 2150 90,95 132 172 165 400 230 290 160 2.45
100,110,120,125 167 212
130,140,150 202 252
160 242 302
JMIIJ18 25000 40000 1950 100,110,120,125 167 212 175 440 245 300 38±0.9 220 3.99
130,140,150 202 252
160,170 242 302
JMIIJ19 31500 50000 1850 100,110,120,125 167 212 185 460 260 267 320 245 89 4.98
130,140,150 202 252
160,170,180 242 302
JMIIJ20 35500 56000 1800 120,125 167 212 200 480 280 267 350 38±0.9 275 89 6.28
130,140,150 202 252
160,170,180 242 302
190,200 282 352
JMIIJ21 40000 63000 1700 120,125 167 212 210 500 295 370 320 7.68
130,140,150 202 252
160,170,180 242 302
190,200 282 352
JMIIJ22 50000 80000 1600 140,150 202 252 220 450 310 299 380 44±1 400 110 11.6
160,170,180 242 302
190,200,220 282 352
JMIIJ23 63000 100000 1450 140,150 202 252 240 600 335 356 410 50±1.2 560 145 19.8
160,170,180 242 302
190,200,220 282 352
240 330 410
JMIIJ24 80000 125000 1400 160,170,180 242 302 255 620 350 440 620 23.6
190,200,220 282 352
240,250 330 410
JMIIJ25 90000 140000 1300 180 242 302 275 660 385 480 740 31.9
190,200,220 282 352
240,250,260 330 410
280,300 380 470
JMIIJ26 12000 180000 1200 190,200,220 282 352 295 720 410 406 510 60±1.4 970 190 50.4
240,250,260 330 410
280,300 380 470
JMIIJ27 140000 200000 1150 220 282 352 300 740 420 520 1050 57
240,250,260 330 410
280,300 380 470
JMIIJ28 160000 224000 1100 240,250,260 330 410 320 770 450 457 560 1200 215 69.4
280,300 380 470
JMIIJ29 180000 280000 1050 250,260 330 410 350 820 490 600 1400 95.5
280,300,320 380 470
340 450 550
JMIIJ30 280000 450000 1000 280,300,320 380 470 350 875 480 559 620 50±1.6 1400 235 96.5
340,360 450 550 550 109.5
JMIIJ31 400000 630000 930 300,320 380 470 935 520 610 630 60±1.0 1800 290 142
340,360,380 450 550 560 152
400 540 650 600 162
JMIIJ32 450000 710000 880 320 380 470 380 1030 480 622 690 2250 330 194
340,360,380 450 550 600 224
400,420 540 650 640 240
JMIIJ33 560000 900000 820 360,380 450 550 400 1080 580 660 726 66±2.2 2750 390 271
400,420,440,450,460 540 650 700 325
JMIIJ34 1000000 1600000 740 400,420,440,450 540 650 460 1160 620 750 836 70±2.3 3500 450 387
160,480,500 540 650 750 465
JMIIJ35 1400000 2240000 680 400,420,440,450,480,500 540 650 520 1290 790 820 946 10±2.6 5000 570 750
530,560 680 800 840 810
JMIIJ36 2000000 3150000 620 480,500 540 650 570 1410 760 900 1040 92±2.8 6600 710 1050
530,560,600 680 800 920 1290
JMIIJ37 2800000 4000000 570 450,460,480,500 540 650 610 1530 810 1000 1100 105±3 8400 880 1630
530,560,600 680 800 980 1950
JMIIJ38 4000000 6000000 520 560,600,630 680 800 670 1670 950 1100 1210 115±3.4 11000 1050 2670
670,710 780 1070 3030
JMIIJ39 5000000 8000000 480 600,630 680 800 730 1830 970 1200 1320 125±3.7 14500 1350 4060
670,710,750 780 1170 4800
JMIIJ40 6300000 10000000 430 670,710,750 780 800 2000 1140 1300 1450 130±4 19000 1600 6600
800,850 880 1290 7500
JMIIJ41 8000000 12500000 400 750 780 2200 1260 1400 1600 140±4.4 2500 1850 10400
800,850 880 1420 11900
JMIIJ42 10000000 16000000 350 800,850 880 960 2400 1370 1500 1760 32000 2100 15200
900,950 980 1550 17400

·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: >80N.M
Bore Diameter: 14mm
Speed: 10000r/M
Structure: Flexible
Samples:
US$ 500/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

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Customized Request

Shaft Collar

What Is a PTO Shaft?

There are a few different types of PTO shafts. For example, there are German, Italian, and North American types. Moreover, there are several series options, such as cap-to-cap overall length, bearing diameter, and snap rings. Each type comes with different features and benefits, so it is important to select the correct one for your needs.

Power Take-Off

The Power Take-Off (PTO) shaft is a mechanical coupling system that couples an aircraft’s accessory gear box with an engine. It transmits high rpm and peak torque. It is an indigenously developed product, which has been cleared for flight fitment and successfully completed an engine ground run test. It is now being used by two Indian manufacturers.
There are four main types of PTOs. Semi-permanently mounted power take-offs are common on marine engines and industrial engines. These power take-offs are used to power secondary implements and accessories. In airplanes, accessory drives are also common. Jet aircraft use four different types of PTO units:
PTO shafts are composed of two telescoping pieces that slide into one another. This allows the user to lower and lift the implement. They are also equipped with universal joints, also known as U-joints. These joints allow flexibility and durability. These joints are held together by two yokes at each end of the shaft.
The speed of the power take-off shaft varies according to tractor size. Larger tractors turn the shaft at 1,000 revolutions per minute, while smaller tractors turn it at 540 revolutions per minute. This means that a person trapped in the open PTO shaft could be whipped around nine times in one second, while a person caught in a smaller tractor could be whipped around 16 2/3 times in one minute. Ultimately, the weight of the person could even cause the engine to stall.

Applications

PTO shafts have a variety of uses in the farm equipment industry. They can be connected to a wide variety of work equipment. For instance, a PTO is commonly used to power a hydraulic pump on a tractor’s front end. In such a case, a small shaft with a U-jointed design will attach to a yoke coupler and turn the pump. While this is not as universal as a tractor PTO, it still falls under the category of a PTO.
A PTO system will have a female coupling on one end and a male coupling on the other end. This essentially acts as an extension adaptor. It will transmit torque signals from the shaft to a static cover assembly to determine the speed and torque in both directions. In some cases, a PTO system will be able to record the data directly onto a PC or other electronic device.
In addition to power take-off systems, these systems can also provide power for auxiliary equipment. In addition, a split shaft PTO allows the power of one engine to power the axle of another vehicle. Depending on the engine’s power, a PTO may use either an air or hydraulic pump to power auxiliary equipment.
The PTO shaft is also useful for securing a tractor or equipment. This device features safety shields on both ends and fits securely inside the secondary shaft. The PTO shaft can be found in a variety of shapes. There are domestic-shaped and metric-shaped versions.

Safety precautions

Shaft CollarOperator awareness is key in preventing PTO shaft entanglement. It is important to avoid performing any repairs while the machine is operating. It is also important to avoid wearing loose or frayed clothing that could become entangled in the rotating shaft. It is also essential to read and follow the tractor’s operating manual. Also, ensure that the PTO shaft is only used for its intended purpose.
A power take-off, or PTO, is a type of attachment that transmits mechanical power from a tractor to another piece of farm machinery. Common examples include hay balers, rotary cutters, weed mowers, and forage blowers. These attachments are often equipped with protective shields to prevent entanglement. The shaft should always be covered when in use.
Operators should also avoid getting too close to the PTO shaft. The operator may become entangled if they accidentally approach the spinning shaft. They should also avoid wearing loose clothing because loose clothing can easily get caught in the stub and cause serious injury. These safety precautions are essential for safe operation of all farm machinery.
When using a PTO with heavy drive, it is important to use a heavy-duty model with a PTO shaft that is appropriate for the application. Alternatively, use a universal joint or wide-angle universal joint. These attachments can be a safer alternative to traditional PTOs. Draw-bar pins on trailed machines should be firmly secured to avoid damaging the PTO shaft. It is also recommended to guard all drive shafts on the machine.

Design

A PTO shaft has several advantages. It is a versatile power transmission that is ideal for heavy-duty equipment. Its design is rigid, yet flexible, allowing for high-speed operation. This is due in part to the splines, which prevent the parts from separating during operation.
The gears of a PTO drive are made from high-quality steel, which increases their durability. They are made from SCM 440 gear material. This material has a high tensile strength and a high yield point. It also has a high Young’s modulus of 206,000 N/mm2. Its Poisson’s ratio is 0.3, while its pressure angle is twenty degrees. In addition, its addendum and dedendum coefficients are both greater than 1.0.
Designed for use on industrial and marine engines, PTOs allow the driver to transfer power from a primary mover to a PTO-powered attachment. They are easy to install and offer improved service life and decreased downtime. In aircraft applications, PTOs are also common. Jet aircraft and agricultural equipment often use PTOs.
The PTO shaft’s dimensions are crucial for preventing vibration. It should extend at least 14 inches from the hitch point to the input shaft of the implement. In some cases, a shorter shaft may not fit the tractor, so it is important to choose the right size. If the PTO shaft is too short, it could cause the two parts to separate when the tractor is turning a corner.

Cost

Shaft CollarA PTO shaft is a very important part of a tractor because it transfers power to an attached attachment. These attachments typically include rotary tillers, brush cutters, hush hug, and mowers. While many attachments use a PTO shaft, the connection flange is not standardized. Some older models of tractors may have a connection flange that is closer to the tractor.
A PTO shaft will work with either a standard or a Weasler yoke. You can also choose from metric and North American models. There are also Italian PTO shafts. To ensure the best performance and durability, it is essential to ensure that the shaft is free of damage. To avoid such damage, a PTO shaft should be purchased from a reputable supplier.
PTO shafts are made from high-quality steel and feature a 1-3/8″ 6-spline at both the tractor and the implement end. In addition, splined PTO shafts are easy to replace and provide excellent horsepower. These PTO shafts can also increase a tractor’s work efficiency.
The cost of a PTO shaft replacement can vary. The average price range for a front-wheel-drive half-shaft is $470 to $940, and the cost for a rear-wheel-drive drive half-shaft replacement is about $1,600 to $2,000. The parts cost about two hundred dollars and the labor could take an hour or more.

Buying guide

If you’re looking to replace a PTO shaft on a lawn tractor, it’s important to consider several factors. First, the PTO shaft needs to be compatible with the tractor you plan to use it on. Then, you need to determine which size universal joint you need. To do this, you can use a PTO shaft size chart.
The PTO shaft is the component that transfers power from the tractor to the attached implement. It’s made up of several parts, including the internal and external PTO yoke, the universal joint, and the safety chain and shield. There are several types of PTO shafts available. You’ll want to choose the right size for your machine, as well as the number of PTO shafts you need.
A PTO shaft is essential for a tractor because without it, the tractor cannot drive. Understanding the PTO parts will help you operate farm machinery more effectively. For instance, if you’re buying a new Power Take Off shaft, you’ll want to look for one that’s compatible with the model and year of the tractor.
You’ll also need to consider the length of the PTO shaft. A PTO shaft can vary from 53 inches when compressed to 77 inches when fully extended. The most common length for a PTO shaft is about fifty-three inches, but you can also choose a longer one if you need more flexibility.
China Professional Double Diaphragm Selection Aluminum Diaphragm Coupling   tractor pto shaftChina Professional Double Diaphragm Selection Aluminum Diaphragm Coupling   tractor pto shaft
editor by CX 2023-06-02