China wholesaler CZPT Lm Type Basic Spider Small Radial Dimension Couplings Star Jaw Coupling tractor pto shaft

Product Description

LM Basic Type Plum Elastic Coupling(GB/T 5272-2002) 

♦Description
Plum elastic coupling has the characteristics of vibration reduction, buffering, small radial size, no lubrication and easy maintenance. Suitable for starting frequency, positive and negative rotation, medium and low speed, medium and small power transmission.Not suitable for heavy loads and frequent replacement of elastic elements.
The structure of plum elastic coupling is simple. But when the elastic element is replaced, the half coupling shall be moved axially.LMS type is easy to replace the elastic element without having to move the half coupling.

♦Detailed Pictures

Basic Parameter and Main Dimension

Type Norminal torque(Tn/N·m) Speed(Np) Shaft hole diameter
(d1,d2,dz)
Length of shaft hole LO D D1 Type of elastic parts Mass Rotary inertia
Hardness of elastic parts LM LMD,LMS Y type J1,Z type L
(recommend)
LM LMD LMS LMD,LMS LM LMD LMS LM LMD LMS
a/HA b/HD L
80+5 60+5 r·min-1 Mm kg kg·m2
LM1
LMD1
LMS1
25 45 15300 8500 12,14 32 27 35 86 92 98 50 90 MT1-a  -b 0.66 1.21 1.33 0.0002 0.0008 0.0013
16,18,19 42 30
20,22,24 52 38
25 62 44
LM2
LMD2
LMS2
50 100 1200 7600 16,18,19 42 30 38 95 101.5 108 60 100 MT2-a  -b 0.93 1.65 1.74 0.0004 0.0014 0.0571
20,22,24 52 38
25,28 62 44
30 82 60
LM3
LMD3
LMS3
100 200 10900
 
6900 20,22,24 52 38 40 103 110 117 70 110 MT3-a  -b 1.41 2.36 2.33 0.0009 0.0571 0.0034
25,28 62 44
30,32 82 60
LM4
LMD4
LMS4
140 280 9000
 
6200 22,24 52 38 45 114 122 130 85 125 MT4-a  -b 2.18 3.56 3.38 0.002 0.005 0.0064
25,28 62 44
30,32,35,38 82 60
40 112 84
LM5
LMD5
LMS5
350 400 7300
 
5000 25,28 62 44 50 127 138.5 150 105 150 MT5-a  -b 3.60 6.36 6.07 0.005 0.0135 0.0175
30,32,35,38 82 60
40,42,45 112 84
LM6
LMD6
LMS6
400 710 6100
 
4100 30,32,35,38 82 60 55 143 155 167 185 185 MT6-a  -b 6.07 10.77 10.47 0.0114 0.0329 0.0444
40,42,45,48 112 84
LM7
LMD7
LMS7
630 1120 5300 3700 35*,38* 82 60 60 159 172 185 205 205 MT7-a  -b 9.09 15.30 14.22 0.5712 0.0581 0.571
40*,42*,45,48,50,55 112 84
LM8
LMD8
LMS8
1120 2240 4500 3100 45*,48*,50,55,56 112 84 70 181 195 209 170 240 MT8-a  -b 13.56 22.72 21.16 0. 0571 0.1175 0.1493
60,63,65 142 107
LM9
LMD9
LMS9
1800 3550 3800 2800 50*,55*,56* 112 84 80 208 224 240 200 270 MT9-a  -b 21.40 34.44 30.70 0.1041 0.2333 0.2767
60,63,65,70,71,75 142 107
80 172 132
LM10
LMD10
LMS10
2800 5600 3300 2500 60*,63*,65*,70,71,75 142 107 90 230 248 268 230 305 MT10-a  -b 32.03 51.36 44.55 0.2105 0.4594 0.5262
80,85,90,95 172 132
100 212 167
LM11
LMD11
LMS11
4500 9000 2900 2200 71*,71*,75* 142 107 100 260 284 308 260 350 MT11-a  -b 49.52 81.30 70.72 0.4338 0.9777 1.1362
80*,85*,90,95 172 132
100,110,120 212 167
LM12
LMD12
LMS12
6300 12500 2500 1900 80*,85*,90*95 172 132 115 297 321 345 300 400 MT12-a  -b 73.45 115.53 99.54 0.8205 1.751 1.9998
100,110,120,125 212 167
130,140,150 252 202
LM13
LMD13
LMS13
11200 2000 2100 1600 90*,95* 172 132 125 323 348 373 360 460 MT13-a  -b 103.86 161.79 137.53 1.6718 3.667 3.6719
100*,110*,120*,125* 212 167
130,140,150 252 202
LM14
LMD14
LMS14
12500 25000 1900 1500 100*,110*,120*,125* 212 167 135 333 358 383 400 500 MT14-a  -b 127.59 196.32 165.25 2.499 4.8669 5.1581
130*,140*,150 252 202
160 302 242

NOTE:
1. Mass and rotary inertia are the approximation calculated according to the recommended minimum axial hole.
2. Diameter of shaft hole with* can be used for Z type shaft hole.
3. a.b is the code for 2 different materials and hardness of elastic parts.

♦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 the new model when there is new cars in the market.

5. Quality Control
Every step should be a special 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 the customers with customized artworks in PDF or AI format.

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 a very good 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 1 pcs.

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: T/T.  
 

♦Contact Us

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

Standard Or Nonstandard: Standard
Shaft Hole: as Your Requirement
Torque: as Your Requirement
Bore Diameter: as Your Requirement
Speed: as Your Requirement
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

Choosing the Right PTO Shaft

There are several different types of PTO shaft. These include the Transmission PTO, the Economy PTO, the Type 4″ pto shaft, and the Two-stage clutch pto shaft. It is important to choose the correct one to ensure a smooth operation. When choosing a PTO shaft, consider the characteristics and uses of each type.

Transmission PTO

If you have been experiencing trouble with your Transmission PTO shaft, you may want to take it to a mechanic to have it looked at. A PTO problem can be frustrating and costly to fix. Here are some tips for resolving PTO problems. Start by checking your transmission oil and air pressure levels. Also, check for cracked or kinked hoses and screens. If none of these steps resolve the issue, you may need to replace your PTO.
There are two types of Transmission PTO shafts, Type 1 and Type 2. The first type was designed to be used for 540 rpm applications. Later versions were designed to handle higher PTO powers, and the diameter was changed to increase its speed. Both types have different diameters, so be sure to check the spline count.
Transmission PTOs are commonly used between tractors and farm equipment. These PTOs have the feature of a universal transmission, although the input and output ends are not always on the same plane. The drive shaft is also able to vary the angle between input and output ends. This allows the drive shaft to operate within a specified left and right expansion range.
When replacing a transmission PTO, make sure you check the shaft’s speed and backlash before installing it. In addition, check the transmission gears to ensure they are in good condition. Experts from suppliers recommend inspecting and replacing any debris on the gaskets. They also recommend setting backlash units between the transmission and PTO. In general, backlash units should range from 6,000 to 12,000 units.
To maintain the efficiency of your Transmission PTO, it is necessary to maintain the proper oil level. Make sure you regularly check the PTO fluid and filter. A change of fluid and filter is recommended every 75,000 miles and 300,000 miles. Using a dial indicator can help you to check backlash and prevent damage to the PTO or mating gear.

Economy PTO

Shaft CollarThe Economy PTO shaft allows you to reduce the engine speed when driving your PTO. This mode uses different gears to adjust the PTO shaft revs. The cab-mounted control/monitoring unit 14 uses the PTO speed information to set the parameters of the PTO. In order to operate this system, you must be aware of the lever 21 position and the type of shaft fitted.
The ratio of the input shaft 7 and the output shaft 22 determines the precise value. The ratio also depends on the type of PTO shaft and the ratio of the gearbox. There are two different types of PTO shafts, and each has different toothed wheels. To choose the right one, you should know the ratio of the shaft and the gearbox.
A Domestic PTO shaft is the most common type used in North America. It comes in a wide range of diameters and splines and can be used on a variety of applications. It is durable and is resistant to pressure, impacts, and tension. It is also equipped with a shear pin and slip clutch to protect the PTO from common obstacles.
An Economy PTO shaft enables your tractor to run at lower rpms, reducing noise and vibrations. It is perfect for a variety of agricultural equipment and is controlled by your tractor’s transmission. It is available in two types: mechanical and hydraulic. A mechanical version has a clutch, while a hydraulic version has a lever to control the torque.
The Economy PTO shaft allows you to reduce fuel costs and increase productivity by up to 2%. It also reduces noise in the cab, which is a plus. Its auto-mode feature helps you operate the Economy PTO with ease. This system can also be programmed to automatically disengage the PTO when the linkage is raised.

Two-stage clutch on pto shaft

Shaft CollarIf you’re looking to get the most out of your tractor, you should check the clutch for two-stage operation. Two-stage clutches use two separate stages to disengage the PTO and gears. If the clutch does not disengage when you push the pedal, you’ll need to adjust it. Rust buildup can cause the clutch to stick and require a rebuild or replacement. Fortunately, there are many ways to check whether your clutch is slipping.
A two-stage clutch is commonly used in transmissions with live PTOs. The first stage operates the driven portion of the transmission, while the second stage controls the PTO. This arrangement allows the PTO to work independently of the transmission, which is especially useful in tractors that use mower attachments.
This two-stage clutch is usually accompanied by a gearbox. The gears in the PTO shaft are set up to rotate at a rate of 540 revolutions per minute (rpm) when the engine is running. The second clutch is designed to operate at a higher speed and can be used with different power sources.
A two-stage clutch on the PTO shaft is a good option if you’re using a tractor that doesn’t have a slip clutch. It will limit the tractor’s torque, so you’ll save money on fuel while doing work. It also helps reduce noise and vibration.

Types of independent pto shafts

Independent PTO shafts come with their own clutch, which enables them to run independently from the tractor’s transmission. There are two main types of independent PTO shafts: mechanical and hydraulic. The mechanical version has a separate on-off selector and control lever. The hydraulic version only has a single selector.
These different types of PTO shafts are only compatible with specific implements. The speed at which they transfer energy is different, too, and some are faster than others. This is why some large tractors have higher-speed PTOs than smaller tractors. A transmission PTO requires a parking break, while an independent PTO does not.
A newer type of independent PTO shaft, the Type 4, is also available. This model runs at a higher rotational speed, around 1300 rpm, which allows for a more efficient transfer of power. In addition, the Type 4 shaft is larger, with 22 splines and a diameter of 57.5 mm. It is designed to support PTO powers of up to 450 kW or 600 horsepower.
Another type is called a “sandwich” type, which is mounted between the transmission and engine. It receives its drive from the engine shaft. This type can transfer the full power of the engine to the PTO, although it needs modifications to the driveline. It also comes with its own lubrication system.
Independent PTO shafts can be manually operated or electronically controlled. The independent PTO is easy to engage and is often operated by shifting the PTO selector lever away from the ‘OFF’ position or by flipping the PTO switch to the “ON” position. Independent PTO shafts may also feature an additional manual clutch. This clutch helps regulate heavy loads and protects the PTO drive system.
China wholesaler CZPT Lm Type Basic Spider Small Radial Dimension Couplings Star Jaw Coupling   tractor pto shaftChina wholesaler CZPT Lm Type Basic Spider Small Radial Dimension Couplings Star Jaw Coupling   tractor pto shaft
editor by CX 2023-06-14

shafts pto

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