The Chain coupling is composed of a duplex roller chain and a pair of coupling sprockets. The function of connection and detachment is done by the joint of chain. It has the characteristic of compact and powerful, excellent durability, safe and smart, simple installation and easy alignment. The Xihu (West Lake) Dis.hua Chain coupling is suitable for a wide range of coupling applications.
Roller chain( Coupling Chains)
Though Hans Renold is credited with inventing the roller chain in 1880, sketches by Leonardo da Vinci in the 16th century show a chain with a roller bearing.Coupling chains)Coupling chains
Roller chain or bush roller chain is the type of chain drive most commonly used for transmission of mechanical power on many kinds of domestic, industrial and agricultural machinery, including conveyors, wire- and tube-drawing machines, printing presses, cars, motorcycles, and bicycles. It consists of a series of short cylindrical rollers held together by side links. It is driven by a toothed wheel called a sprocket. It is a simple, reliable, and efficient[1] means of power transmission.
Chain No.
Pitch
P
mm
Roller diameter
d1max mm
Width between inner plates b1min mm
Pin diameter
d2max mm
Pin length
Inner plate depth h2max mm
Plate thickness
Tmax mm
Transverse pitch Pt mm
Tensile strength
Qmin kN/lbf
Average tensile strength Q0 kN
Weight per piece q kg/pc
Lmax mm
Lcmax mm
4012
12.7-0-0. p. 211. Retrieved 17 May 2-0-0. p. 86. Retrieved 30 January 2015. Green 1996, pp. 2337-2361 “ANSI G7 Standard Roller Chain – Tsubaki Europe”. Tsubaki Europe. Tsubakimoto Europe B.V. Retrieved 18 June 2. External links Wikimedia Commons has media related to Roller chains. The Complete Xihu (West Lake) Dis. to Chain Categories: Chain drivesMechanical power transmissionMechanical power control
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What Is a Gear Coupling and How Does It Work?
A gear coupling is a type of mechanical coupling that connects two shafts together to transmit torque and rotational motion between them. It consists of two gear-like hubs with external teeth that mesh together and transmit torque via the engagement of the teeth. The gear teeth on the hubs allow for high torque transmission and provide flexibility to accommodate misalignments between the shafts.
The working principle of a gear coupling can be summarized as follows:
1. Gear Hubs: A gear coupling consists of two hubs, each attached to the respective shafts that need to be connected. The hubs have external gear teeth that mesh together when the coupling is assembled.
2. Gear Teeth Engagement: When the two gear hubs are brought together during installation, the gear teeth on one hub mesh with the corresponding teeth on the other hub. This meshing creates a strong mechanical connection between the two shafts.
3. Torque Transmission: As the connected shafts rotate, the gear teeth engage and transmit torque from one shaft to the other. The gear coupling can handle high torque loads, making it suitable for heavy-duty applications.
4. Misalignment Compensation: One of the key advantages of a gear coupling is its ability to accommodate various types of misalignment, including angular, parallel, and axial misalignments between the connected shafts. This misalignment compensation helps reduce stress on the connected equipment and prevents premature wear.
5. Lubrication: Gear couplings may require lubrication to reduce friction between the gear teeth and ensure smooth operation. Proper lubrication helps improve the efficiency and longevity of the coupling.
Gear couplings are commonly used in various industrial applications, such as power generation, steel mills, mining, and heavy machinery. They offer high torque capacity, excellent misalignment accommodation, and reliability, making them a preferred choice for transmitting power in demanding environments.
♦Description This standard is suitable for connecting 2 horizontal coaxial solutions, medium and small load and high speed occasions. Its structure type is shown in the figure. Transmission nominal torque: 630~2000N. m
Features: Gear couplings are used to provide a mechanical connection between the rotating shafts of mechanical equipment, solving inherent misalignment problems while transmitting power and torque between the connected shafts. To increase coupling life, the shafts should be aligned to minimize deflection of the bending elements. Mounting requires shaft alignment in axial, parallel, and angular directions, each of which must not exceed the recommended mounting limits. Drum gear coupling has the characteristics of a small outer diameter and is lightweight and can meet high-speed operation at the same time. For applications with limited space, this alternative can be selected.
Characteristics & Applications: 1. With a small amount of axial offset compensation performance, can not buffer and damping. 2. Small size, high transmission torque theoretically, need to be lubricated and sealed, but large noise and expensive price, used for the connection level of 2 coaxial shaft drive. 3. For connecting 2 coaxial axes under low-speed and heavy load conditions, such as metallurgical machinery and heavy-duty machinery, etc. 4. Does not apply to high-speed and high-precision shaft drive, starting frequently, and reversing the changing conditions should not be used. 5. Supporting with brake, used for metallurgical machinery and heavy machinery which need the brake parts.
♦Main Dimension and Parameter
Note: N.m= Nominal torque; rpm= Allowable speed of rotation; d1.d2= Diameter of shaft hole; Y L= Length of shaft hole; ml= Amount of grease; kg.m²= Rotational inertia 1. The mass and moment of inertia of the coupling are approximated by the minimum diameter and maximum length of the shaft hole. 2. e is the required size for more sealing.
♦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 CHINAMFG 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.
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.
Gear couplings are designed to transmit torque between shafts while accommodating misalignment. To ensure the durability and reliability of gear couplings, manufacturers use a variety of materials, each with its specific properties. Commonly used materials in manufacturing gear couplings include:
Steel: Steel is the most widely used material for gear couplings. It offers excellent strength, durability, and resistance to wear and fatigue. Steel gear couplings are suitable for a wide range of applications, including heavy-duty industrial machinery.
Stainless Steel: Stainless steel is chosen for gear couplings that require resistance to corrosion and high-temperature environments. Stainless steel couplings are commonly used in food processing, pharmaceutical, and chemical industries.
Alloy Steel: Alloy steel is utilized to enhance specific properties, such as increased strength and improved performance under high loads and extreme conditions. Alloy steel gear couplings are ideal for demanding applications in heavy industries.
Cast Iron: Cast iron is known for its excellent machinability and good resistance to wear. Cast iron gear couplings are suitable for low to moderate torque applications and can be cost-effective in certain scenarios.
Non-Metallic Materials: In some cases, non-metallic materials like nylon or urethane may be used for specific gear coupling applications, especially in situations where electrical isolation or chemical resistance is required.
The choice of material depends on the application’s demands, including the torque, speed, environmental conditions, and budget considerations. Gear coupling manufacturers carefully select materials that will provide optimal performance and longevity while meeting the specific requirements of the intended application.
♦Descriprion GIICLZ drum-shaped gear coupling has the relative offset performance of 2 axes compensated in a certain angle direction and works long distances with the middle axle. It is suitable for connecting horizontal 2 coaxial lines with a certain angular displacement of the transmission shafting.
♦Features 1. Small radial dimension and large bearing capacity are commonly used in shafting transmission under low speed and heavy load conditions. 2. Under the same outer diameter of the inner gear sleeve and the maximum outer diameter of the coupling, the load-carrying capacity of the drum-shaped gear coupling is 15-20% higher than that of the straight-tooth coupling on average. 3. It can compensate for the relative offset of 2 axes at a certain angle and work long distances with the middle axle. 4. It is suitable for connecting horizontal 2 coaxial axes and driving shafting with a certain angle displacement.
♦Main Dimension and Parameter
Type
Nominal torque (kN·m)
Allowable speed (R/min)
Shaft hole diameter
Shaft hole length
D
D1
D2
D3
C
H
A
B
e
Rotary inertia Kg.m2
Weight
d1
d2
Y
J1type
GIICLZ1
0.4
4000
30
35
82
60
103
71
71
50
8
2
18
38
38
0.005
4.1
GIICLZ2
0.71
4000
25
28
62
44
115
83
83
60
8
2
21
44
42
0.00625
4.8
GIICLZ3
1.12
4000
25
28
62
44
127
95
95
75
8
2
22
45
42
0.011
7.8
GIICLZ4
1.8
4000
63
65
142
107
149
116
116
90
8
2
24.5
49
42
0.039
16.5
GIICLZ5
3.15
4000
63
65
142
107
167
134
134
105
10
2.5
27.5
54
42
0.5175
23.1
GIICLZ6
5
4000
80
85
172
132
187
187
187
153
10
2.5
28
55
42
0.10425
35.4
GIICLZ7
7.1
3750
100
105
212
167
204
170
170
140
10
2.5
30
59
42
0.1898
54.3
GIICLZ8
10
3300
100
110
212
167
230
186
186
155
12
3
33.5
71
47
0.297
67.4
GIICLZ9
16
3000
130
135
252
202
256
222
212
180
12
3
34.5
37
47
0.575
104.4
GIICLZ10
22.4
2650
130
145
252
202
287
239
239
200
14
3.5
39
82
47
0.935
133.5
GIICLZ11
35.5
2350
160
170
302
242
325
250
250
235
14
3.5
40.5
85
47
1.625
193
GIICLZ12
50
2100
190
200
325
282
362
286
313
270
16
4.0
44.5
95
49
3.093
290
GIICLZ13
71
1850
200
220
352
282
412
322
350
300
18
4.5
49
104
49
6.34
370
GIICLZ14
112
1650
240
250
470
330
462
420
335
380
22
5.5
86
148
63
8.6
509
GIICLZ15
180
1500
280
285
470
380
512
470
380
380
22
5.5
91
158
63
15.575
740
GIICLZ16
250
1300
280
300
470
380
580
522
430
430
28
7
104.5
177
67
26.35
974
GIICLZ17
355
1200
250
260
410
330
644
582
490
–
28
7
99
182
67
38.825
1110
GIICLZ18
500
1050
340
360
550
450
726
658
540
–
28
8
111
215
75
49.5
1465
GIICLZ19
710
950
340
320
470
380
818
748
630
–
32
8
116
220
75
139.5
2457
GIICLZ20
1000
800
480
500
650
540
928
838
720
–
32
10.5
123.5
235
75
277.25
3793
GIICLZ21
1400
750
480
500
650
540
1571
928
810
–
40
11.5
127.5
245
75
435
4780
GIICLZ22
1800
650
670
680
900
780
1134
1036
915
–
40
13
131
255
75
852.25
7540
GIICLZ23
2500
600
670
710
900
780
1282
1178
1030
–
50
14.5
149.5
290
80
1638.75
11133
GIICLZ24
3550
550
800
850
1000
880
1428
1322
1175
–
50
16.5
158.5
305
80
2976.25
16110
GIICLZ25
4500
460
1000
1040
–
1100
1644
1538
1390
–
50
19
162.5
310
80
7198.25
27797
Note: 1. The moment of inertia and mass are calculated according to and including J1 axial extension. 2. The axle hole size marked “*” in the axle hole diameter column is only applicable to d1 selection. 3. J1 shaft extension series is recommended. 4. The axle hole diameter with brackets is not used in the new design.
♦Packaging & Shipping
♦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 CHINAMFG 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.
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.
Can Gear Couplings Be Used in Both Horizontal and Vertical Shaft Arrangements?
Yes, gear couplings are versatile and can be used in both horizontal and vertical shaft arrangements.
Horizontal Shaft Arrangements: In horizontal shaft configurations, gear couplings are commonly employed to connect two shafts in-line with each other. The gear coupling’s flexible design accommodates for slight misalignment and torsional movement between the shafts, making it suitable for various industrial applications. These couplings can handle high torque loads and are often used in heavy-duty machinery such as steel rolling mills, mining equipment, and conveyors.
Vertical Shaft Arrangements: Gear couplings are also well-suited for vertical shaft arrangements, where the connected shafts are oriented one above the other. In such cases, gravity can cause additional axial loads on the coupling, which gear couplings are designed to handle. The gear coupling’s capacity to accommodate both angular and axial misalignment is essential in vertical applications, where thermal expansion and contraction may induce relative movement between the shafts.
Whether in horizontal or vertical shaft configurations, gear couplings provide reliable power transmission and are widely used in various industrial settings. However, it is essential to ensure proper alignment and maintenance for optimal performance and to prevent premature wear or failure of the coupling.
