Product Description

Plum Elastic Coupling(GB/T5272-2002) 

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.

  Basic Parameter And Main Dimension(GB/T5014-2003)

Type Nominal 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.

Product Show

♦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 shaft 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 special test by Professional Staff according to the standard of ISO9001 and TS16949.

FAQ
Q 1: Are you trading company or 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 of 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 then cost of sample will be deducted.

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

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: 10-32
Torque: 50-70N.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

PTO Shafts and PTO Shaft Shields

When choosing a PTO shaft, measuring the various pieces is an important aspect. Each piece must be measured in a specific way, with the shaft in a closed position. Measure the length between the outsides of the yokes. The closed length will help you determine the correct PTO series size for the horsepower of your tractor.

540 rpm

A 540 RPM PTO Shaft will fit CZPT PTO models. These shafts are slightly indexed to allow for easy PTO drive hookups. These shafts will also work with 1000 RPM implements. They also feature a snap ring that will allow for quick and easy removal.
PTO shafts are commonly divided into two types: 1000 RPM and 540 RPM. The 540 RPM PTO shafts are smaller, with only six splines, while the 1000 RPM PTO shafts are larger. The 540 RPM version is used with implements that require less horsepower and are made for light-duty use.
The PTO shaft transfers power from the tractor’s engine to a PTO-driven implement. When operating at its recommended speed, the PTO shaft rotates at 540 rpm (9 times per second). The higher speed PTO shafts have more splines.

Safety chains

Safety chains for PTO shafts are an important safety feature to consider when operating a tractor. These chains are welded to the drive end of a tractor or implement. They are used to prevent the plastic shield from spinning on the PTO shaft. The chain’s reaction time is slower than the speed of the PTO shaft, which makes it important for safety.
When operating a tractor, it is important to follow the manufacturer’s instructions and keep the machine and equipment in a safe location. A poorly-guarded PTO can entrap ground personnel or cause a serious accident. Operator awareness is also important. It is important to avoid stepping over a revolving shaft, wearing loose clothing, or making repairs while the tractor is running. It is also important to follow the manufacturer’s instructions and use the PTO for its intended purpose.
The safety chains for PTO shafts must be properly connected and fully functional before each use. During a PTO operation, the PTO shaft may rotate as much as 1000 rpm, which is potentially deadly. In addition to safety chains, the tractor should have a clutch or torque limiter fitted on the implement end.
The PTO shaft must have a correct length for the machine. If it is a sliding metal PTO drive shaft, it is important to lubricate it according to manufacturer’s specifications. Lubrication is recommended after every eight hours of operation. Also, make sure that the button on the end of the PTO shaft moves freely. Hammering it into place can damage the guard and the shaft.
A PTO driveline hazard is one of the oldest farm machinery hazards. It refers to the PTO or Implement Input Connection. There are often protruding pins and bolts on the driveline, which can snag clothing.

Shield

Shaft CollarThe PTO shaft shield is a protective piece that encloses a PTO shaft. These shields are usually plastic, but some are also made of metal. They are made to protect the PTO shaft from debris, which can cause premature wear and damage to the universal joints. A PTO shaft shield is not a permanent fixture, but can be easily removed for replacement or repair.
The PTO shaft shield should be checked periodically to ensure that it is in good condition. It should have no loose ends or loose bolts. Ensure that the shear bolts and pins are the right length and hardness for the PTO shaft. Additionally, the operator should wear snug clothing to avoid stepping on the PTO shaft while working.
The PTO shaft shield should fit snugly over the PTO shaft. If the PTO shaft is loose, it may be difficult to attach the safety shield. However, with a proper PTO shaft shield, the process should be quick and easy. A CZPT safety clip allows easy removal and prevents co-rotation between the inner driveshaft and the safety shield. The driveline safety shield from RPM Transmissions is made of CZPT, which is a rigid and durable material.
In addition, some machine drive shafts are lacking a shield. This can cause a safety hazard. Without a PTO shaft shield, an operator may accidentally touch the shaft and get injured. These guards prevent this danger by enclosing the shaft in a plastic or metal guard.
The PTO shaft shield is a crucial part of tractor safety. It helps protect the operator from accidental entanglement while operating the tractor. When the PTO shaft stub becomes separated, it can cause severe injuries and even fatalities. Thankfully, the industry has made tremendous progress in reducing the risks associated with PTO mishaps. Operators must make sure they maintain the shields and do not remove them if not in use.

Reverse rotation

Shaft CollarThe PTO shaft reverse rotation mechanism prevents the main drive shaft from moving in a direction opposite to the direction of rotation of the driven shaft. The mechanism is compact, reducing the length of the rotation shaft. The mechanism includes two reversing members: first reversing member 151 rotates in a clockwise direction and second reversing member 153 rotates in a counterclockwise direction.
In a PTO shaft reverse rotation mechanism, a driven shaft is inserted into a hollow cylindrical body. It is rotatably positioned relative to the main driving shaft 112 and radially symmetrically around it. As a result, the driving and reverse-rotation mechanisms are symmetric.
One such PTO shaft reverse rotation mechanism has a main drive shaft and a driven shaft, and a plurality of transmission units coupled to it. The driven shaft and the transmission member rotate in tandem. The transmission units are arranged radially about the main driving member and the driven shaft. Alternatively, one of the reversing units may comprise the second reversing member and the first driving member.
China factory Plum-Shaped Elastic Coupling Series   with Hot selling		China factory Plum-Shaped Elastic Coupling Series   with Hot selling
editor by CX 2023-05-30