Product Description

WGT Drum Gear Coupling(JB/T7004-2007)

· Nominal Torque:
  800Nm~1400000Nm

· Working Temperature:
  -20ºC~+100ºC

· Applications:
  Metallurgy, mining machinery and other heavy machinery.

· Type:
  I-Suitable for WGT1-WGT24

  II-Suitable for WGT1-WGT14

· Example of Order Marking:
  Example1:WGT10 Coupling of Type II,Length of intermidiate sleeve(H)=500mm.
  Drive end:Y type axle hole,A type keyway,d1=100mm,L=212mm,
  Driven end:J1 type axle hole,B Type keyway,d2=130mm,L=202mm.

Table1:WGT  Coupling Main Size And Dimension

Model	Nominal torque Tn kN·m	Bore	Length of Bore		D	D1	D2	D3	D4	B	B1	F	H min	C		C2	Mass kg		Rotary inertia kg·m2		Total grease kg
		d1,d2	Y	J1										I	II		I	II	I	II	I	II
WGT1	800	12,14	32	–	122	115	98	88	60	58	50	30	75	30	–	–	5.66	4.86	0.008	0.0063	0.085	0.04
		16,18,19	42	–										20	14	–
		20,22,24	52	–										10	4	–
		25,28	62	44										3	3	18
		30,32,35,38	82	60												12
		40,42	112	84												12
WGT2	1400	22,24	52	–	150	145	118	108	77	68	52	30	80	20	4	–	9.78	7.48	0.571	0.09	0.096	0.06
		25,28	62	–										10	3	–
		30,32,35,38	82	60										3		16
		40,42,45,48, 50,55,56	112	84
WGT3	2800	22,24	52	–	170	165	140	125	90	80	54	30	80	33	7	–	16.7	12.2	0.047	0.033	0.17	0.10
		25,28	62	–										23	3	–
		30,32,35,38	82	60										3		25
		40,42,45,48 50,55,56	112	84												16
		60,63	142	107
WGT4	5000	30,32,35,38	82	–	200	195	160	145	112	90	58	30	100	13	3	–	25.6	19.6	0.098	0.073	0.25	0.15
		40,42,45,48, 50,55,56	112	84										3		17
		60,63,65,70, 71,75	142	107
		80	172	132
WGT5	8000	30,32,35,38	82	–	225	215	180	168	128	100	63	30	100	23	3	–	35.0	26.1	0.175	0.126	0.35	0.22
		40,42,45,48, 50,55,56	112	84										3		19
		60,63,65,70, 71,75	142	107
		80,85,90	172	132
WGT6	11200	32,35,38	82	–	245	230	200	185	145	112	67	30	100	35	5	–	51.6	38.0	0.295	0.213	0.40	0.29
		40,42,45,48, 50,55,56	112	–										5		–
		60,63,65,70, 71,75	142	107												20
		80,85,90,95	172	132
		100	212	167
WGT7	16000	32,35,38	82	–	272	265	230	210	160	122	74	30	120	45	5	–	68.6	45.0	0.53	0.35	0.60	0.44
		40,42,45,48, 50,55,56	112	–										15		–
		60,63,65,70, 71,75	142	107										5		20
		80,85,90,95	172	132
		100,110	212	167
WGT8	22400	50,56	112	–	290	272	245	225	176	136	81	30	120	29	5	–	79.5	55.8	0.71	0.46	0.75	0.55
		60,63,65,70, 71,75	142	107										5		34
		80,85,90,95	172	132												20
		100,110,120, 125	212	167
WGT9	28000	60,70,71,75	142	107	315	305	265	245	190	140	88	30	155	5	5	38	106.5	80.5	1.05	0.77	1.0	0.79
		80,85,90,95	172	132												28
		100,110,120, 125	212	167
		130,140	252	202
WGT10	45000	75	142	–	355	340	300	280	225	165	98	30	155	28	5	–	158.8	121.8	1.87	1.54	1.3	0.9
		80,85,90,95	172	132										5		38
		100,110,120,125	212	167												28
		130,140,150	252	202
		160	302	242
WGT11	63000	85,90,95	172	–	412	385	345	325	256	180	112	40	175	15	8	–	216.6	169.6	3.71	2.82	1.6	1.23
		100,110,120,125	212	167										8		32
		130,140,150	252	202
		160,170,180	302	242
WGT12	90000	120,125	212	167	440	435	375	360	288	210	125	40	205	8	8	45	305.3	245.3	6.48	4.84	2.6	1.90
		130,140,150	252	202												32
		160,170,180	302	242
		190,200	352	282
WGT13	125000	140,150	252	202	490	480	425	400	320	235	136	50	205	8	8	38	394.5	313.5	10.58	7.9	3.3	2.4
		160,170,180	302	242												32
		190,200,220	352	282
WGT14	180000	160,170,180	302	242	545	540	462	440	362	265	158	50	240	10	10	32	529.5	430.5	17.72	13.78	4.8	3.7
		190,200,220	352	282
		240,250,260	410	330												10
WGT15	250000	160,170,180	302	242	580	–	488	–	400	280	–	50	240	10	–	43	684.5		25.25	–	5	–
		190,200,220	352	252												32
		240,250,260	410	330												10
		280	470	380
WGT16	315000	180	302	242	650	–	560	–	440	300	–	50	240	12	–	63	948.2		43.7	–	7	–
		190,200,220	352	282												32
		240,250,260	410	330												12
		280,300	470	380
WGT17	400000	200,220	352	282	690	–	600	–	460	325	–	50	280	12	–	48	1059		57.37	–	8	–
		240,250,260	410	330												12
		280,300,320	470	380
WGT18	500000	220	352	282	750	–	650	–	510	350	–	60	280	12	–	73	1399	–	59.37	–	10	–
		240,250,260	410	330												12
		280,300,320	470	380
		340,360	550	450
WGT19	630000	240,250,260	410	330	775	–	690	–	535	372	–	60	350	12	–	12	1544	–	110.2	–	11	–
		280,300,320	470	380
		340,360,380	550	450
WGT20	800000	260	410	380	825	–	730	–	580	392.5	–	60	350	14	–	14	2099	–	166.1	–	13	–
		280,300,320	470	380
		340,360,380	550	450
		400	650	540
WGT21	900000	280,300,320	470	380	925	–	825	–	620	405	–	60	350	14	–	14	2482	–	242.7	–	20	–
		340,360,380	550	450
		400,420,440	650	540
WGT22	1000000	320	470	380	950	–	850	–	665	410	–	60	400	14	–	14	2797	–	299.2	–	26	–
		340,360,380	550	450
		400,420,440, 450,460	650	540
WGT23	1120000	360,380	550	450	1030	–	900	–	710	440	–	60	400	14	–	14	3183	–	388.8	–	29	–
		400,420,440,450,460,480,500	650	540
WGT24	1400000	380	550	450	1060	–	925	–	730	450	–	70	400	16	–	16	3801	–	482	–	32	–
		400,420,440,450,460,480,500	650	540
		520	800	680
Notes: 1. The weight and rotary inertia are approximation calculated by Y-hole with the largest axial hole, and the middle sleeve is not calculated. 2. Permissible speed of the coupling (n) depends on the length and weight of the intermediate sleeve and the critical speed shall be verified.

·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 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 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 /* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Common Industries and Use Cases for Flexible Gear Couplings

Flexible gear couplings find widespread applications across various industries due to their ability to transmit torque efficiently while accommodating misalignments and reducing vibrations. Some of the common industries and specific use cases include:

1. Power Generation:

Flexible gear couplings are extensively used in power generation plants, including thermal power plants, hydroelectric power plants, and wind farms. They connect turbines, generators, and other rotating equipment, allowing for smooth power transmission and accommodating misalignments caused by thermal expansion or settling.

2. Steel and Metal Processing:

In steel and metal processing industries, flexible gear couplings are employed in rolling mills, continuous casting machines, and other heavy machinery. They handle the high torque and misalignments that occur during metal forming processes, providing reliable power transmission and reducing downtime.

3. Petrochemical and Oil & Gas:

These industries often deal with harsh environments, high temperatures, and corrosive substances. Flexible gear couplings with appropriate materials and coatings are used in pumps, compressors, and other critical equipment to ensure efficient power transmission and reliability.

4. Mining:

Mining operations involve large machines and heavy loads, requiring couplings that can handle substantial torque and misalignment. Flexible gear couplings are used in conveyor systems, crushers, and other mining equipment to maintain smooth and efficient operation.

5. Marine and Shipbuilding:

In marine applications, flexible gear couplings are used to connect marine diesel engines to propeller shafts. They absorb vibrations and misalignments caused by the motion of the ship, ensuring reliable power transmission and reduced wear on the propulsion system.

6. Pulp and Paper:

In the pulp and paper industry, flexible gear couplings are utilized in various stages of the papermaking process, including pulp refiners, digesters, and winding machines. They provide precision torque transmission and minimize vibrations, contributing to the efficiency of the paper production process.

These are just a few examples, and flexible gear couplings can be found in many other industries, such as cement, chemical, food and beverage, and more. Their versatility and ability to handle challenging conditions make them a preferred choice in various power transmission applications across industries.

Potential Causes of Failure in Flexible Gear Couplings and Prevention

Flexible gear couplings, like any mechanical component, may experience failures if not properly maintained or operated. Some potential causes of failure and ways to prevent them include:

• Misalignment: Misalignment between the shafts can cause excessive stress on the coupling components, leading to failure. Regularly check and align the shafts to ensure they are properly aligned within specified tolerances.
• Overloading: Exceeding the rated torque capacity of the coupling can result in premature failure. Always operate within the recommended torque limits and avoid sudden shock loads.
• Poor Lubrication: Inadequate or improper lubrication can lead to increased friction, wear, and overheating. Follow the manufacturer’s guidelines for lubrication frequency and use the correct type of lubricant.
• Corrosion: Exposure to corrosive environments can degrade the coupling’s material over time. Select couplings made from corrosion-resistant materials or use protective coatings when necessary.
• Fatigue: Cyclic loading and continuous operation can cause fatigue failure in flexible gear couplings. Ensure the coupling is rated for the application’s required number of cycles and replace it if it shows signs of fatigue or wear.
• Temperature: Operating the coupling at temperatures beyond its limits can lead to material degradation and reduced performance. Check the coupling’s temperature rating and operate within the specified range.

Regular inspection, maintenance, and adherence to the manufacturer’s guidelines are essential to prevent failure and ensure the reliable performance of flexible gear couplings. Implementing preventive measures can extend the couplings’ lifespan, minimize downtime, and enhance the overall efficiency of the machinery they are part of.

Handling High Torque Loads and Maintaining Constant Velocity Transmission in Flexible Gear Couplings

Flexible gear couplings are designed to handle high torque loads and maintain constant velocity transmission between the connected shafts. The unique construction of flexible gear couplings allows them to achieve these characteristics:

1. High Torque Capacity: The design of flexible gear couplings includes robust gear teeth that engage with each other. These gear teeth transmit torque from one shaft to the other efficiently. The use of high-quality materials and precise manufacturing ensures that the coupling can handle substantial torque loads without failure or deformation.

2. Constant Velocity Transmission: The meshing of the gear teeth in flexible gear couplings provides a positive drive, ensuring constant velocity transmission between the input and output shafts. This means that the rotational speed of the output shaft remains consistent with that of the input shaft, even under varying torque conditions.

These features make flexible gear couplings suitable for various industrial applications, including heavy machinery, high-power drives, and equipment requiring precise speed control.

editor by CX 2024-02-19