Product Description

Drum Gear Coupling with Intermediate Sleeve (WGT)

A gear coupling is composed of an inner gear ring and an outer gear with the same number of teeth, and a large clearance between the inner and outer teeth, so that there would be a larger displacement the coupling drive shaft be connected and be able to withstand greater load.
WGT type intermediate sleeve drum gear coupling belongs to flexible coupling, especially suitable for low speed and heavy load conditions, such as metallurgy, mining, lifting, transportation, and other industries are also applicable to the drive shaft oil and chemical industry, general machinery and other kinds of machinery.

The characteristics of the drum-shaped gear coupling (compared with the straight-toothed coupling):
1. Strong carrying capacity
2. Large angular displacement compensation
3. The tooth end of the outer tooth sleeve is in a CHINAMFG shape, and the inner and outer teeth are convenient to install and remove.
4. High transmission efficiency
 

NO.	Tn N.m	kg.m²         I              II	d1    d2	L     Y     J1	D	D1	D2	D3	D4	B	B1	F	H min	C		C	kg  I     II
														I	II	J1
WGT1	800	0.008    0.0063	12-42	32-112	122	115	98	88	60	58	50	30	75	3	3	12	5.66  4.86
WGT2	1400	0.571    0.09	22-56	52-112	150	145	118	108	77	68	52	30	80	3	3	16	9.78  7.48
WGT3	2800	0.047    0.033	22-63	52-142	170	165	140	125	90	80	54	30	80	3	3	16	16.7  12.2
WGT4	5000	0.098    0.073	30-80	82172	200	195	160	145	112	90	58	30	100	3	3	17	25.6  19.6
WGT5	8000	0.175    0.126	30-90	82-172	225	215	180	168	128	100	63	30	100	3	3	19	35      26.1
WGT6	11200	0.295    0.213	32-100	82-212	245	230	200	185	145	112	67	30	100	5	5	20	51.6  38.0
WGT7	16000	0.53      0.35	32-110	82-212	272	265	230	210	160	122	74	30	120	5	5	20	68.6  45.0
WGT8	22400	0.71      0.46	55-125	107-212	290	272	245	225	176	136	81	30	120	5	5	20	79.5   55.8
WGT9	28000	1.05      0.77	60-140	107-252	315	305	265	245	190	140	88	30	155	5	5	28	106.5   80.5
WGT10	45000	1.87      1.54	75-160	132-302	355	340	300	280	225	165	98	30	155	5	5	28	158.8   121.8
WGT11	63000	3.71      2.82	85-180	167-302	412	385	345	325	256	180	112	40	175	8	8	32	216.6   169.6
WGT12	90000	6.48      4.84	120-200	167-352	440	435	375	360	288	210	125	40	205	8	8	32	305.3   245.3
WGT13	125000	10.58    7.9	140-220	202-352	490	480	425	400	320	235	136	50	205	8	8	32	394.5   313.5
WGT14	180000	17.72    13.78	160-260	242-410	545	540	462	440	362	265	158	50	240	10	10	10	529.5   430.5
WGT15	250000	25.25	160-280	242-470	580	–	488	–	385	280	–	50	240	10	–	10	684.5
WGT16	315000	43.7	180-300	242-470	650	–	560	–	440	300	–	50	240	12	–	12	948.2
WGT17	400000	57.37	200-320	282-470	690	–	600	–	460	325	–	50	280	12	–	12	1059
WGT18	500000	59.37	220-360	282-550	750	–	650	–	510	350	–	60	280	12	–	12	1399
WGT19	630000	110.2	240-380	330-550	775	–	690	–	535	372	–	60	350	12	–	12	1544
WGT20	800000	166.1	260-400	330-650	825	–	730	–	580	392.5	–	60	350	14	–	14	2099
WGT21	900000	242.7	280-440	380-650	925	–	825	–	620	405	–	60	350	14	–	14	2482
WGT22	1000000	299.2	320-460	380-650	950	–	850	–	665	410	–	60	400	14	–	14	2797
WGT23	1120000	388.8	360-500	450-650	1030	–	900	–	710	440	–	60	400	14	–	14	3183
WGT24	1400000	482	380-520	450-800	1060	–	925	–	730	450	–	70	400	14	–	16	3801

♦ 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 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.

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 /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

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Safety Considerations When Using Flexible Gear Couplings in Critical Applications

Flexible gear couplings are widely used in critical applications where safety and reliability are of utmost importance. While these couplings are designed to accommodate misalignments and reduce vibrations, there are some safety considerations to keep in mind:

• Proper Installation: Ensure that the flexible gear coupling is installed correctly according to the manufacturer’s guidelines. Improper installation can lead to premature failure and safety hazards.
• Regular Inspection: Perform regular inspections and maintenance to identify any signs of wear, damage, or misalignment. Addressing issues promptly can prevent unexpected failures.
• Torque and Speed Ratings: Adhere to the specified torque and speed ratings of the coupling. Operating the coupling beyond its limits can lead to catastrophic failure.
• Environmental Conditions: Consider the environmental conditions in which the coupling will operate. Factors such as temperature, humidity, and the presence of corrosive substances can impact the coupling’s performance and safety.
• Emergency Stop Mechanism: In critical applications, it is essential to have an emergency stop mechanism in place to quickly disengage the coupling during emergencies.
• Overload Protection: Implement overload protection systems to prevent excessive torque transmission, which could cause damage to connected equipment.
• Periodic Maintenance: Follow a regular maintenance schedule to ensure that the coupling remains in optimal condition and to identify any potential safety risks.
• Training and Awareness: Ensure that personnel operating and maintaining the equipment are adequately trained and aware of the safety considerations related to the flexible gear coupling.

By adhering to these safety considerations and following best practices, the use of flexible gear couplings in critical applications can contribute to safe and reliable operation, reducing the risk of downtime and costly failures.

Real-World Case Studies of Flexible Gear Couplings in Engineering Projects

Flexible gear couplings have been successfully implemented in various engineering projects across different industries. Here are some real-world case studies showcasing their benefits:

1. Steel Rolling Mill: In a steel rolling mill, flexible gear couplings were used to connect the main drive motor to the rolling mill’s gearbox. The couplings accommodated the misalignment between the motor and gearbox shafts, reducing vibration and noise during operation. The flexibility of the gear teeth helped protect the gearbox from shock loads caused by changes in the rolling load, extending the gearbox’s lifespan and ensuring smooth and reliable power transmission.
2. Paper Manufacturing Plant: A paper manufacturing plant utilized flexible gear couplings in their pulp processing equipment. The couplings’ ability to compensate for both angular and parallel misalignments allowed for easier installation and alignment of the equipment. The coupling’s torsional flexibility ensured constant velocity transmission, critical for maintaining consistent paper quality during the production process. Additionally, the damping effect of the gear teeth reduced vibrations, minimizing wear and tear on the machinery and improving overall equipment reliability.
3. Wastewater Treatment Plant: At a wastewater treatment plant, flexible gear couplings were employed in the aeration system. The couplings helped absorb shock loads from the aeration process, protecting the blowers and motors from potential damage. Their flexibility allowed the coupling to handle misalignments caused by settling of the foundation over time. This resulted in reduced maintenance downtime and increased overall efficiency of the treatment plant.
4. Wind Turbine Application: Wind turbines utilized flexible gear couplings to connect the low-speed shaft to the high-speed shaft. The coupling’s flexibility allowed for efficient transmission of torque despite the dynamic wind load fluctuations. This flexibility also provided overload protection during extreme wind conditions, safeguarding the turbine’s mechanical components from damage. The coupling’s ability to dampen vibrations contributed to the turbine’s smooth operation, reducing wear and tear and maintenance costs.

These case studies demonstrate the versatility and effectiveness of flexible gear couplings in various engineering applications, showcasing their ability to enhance performance, reduce maintenance, and improve the reliability of critical systems.

Flexible Gear Coupling: Function and Operation

A flexible gear coupling is a type of mechanical coupling used to connect two shafts in a power transmission system. It consists of two hubs with external gear teeth and an elastomeric flexible element between them. The flexible element can be made of materials such as polyurethane, rubber, or synthetic materials with high torsional flexibility and damping properties.

The function of a flexible gear coupling is to transmit torque between the connected shafts while accommodating misalignments and absorbing shocks and vibrations. When the shafts are misaligned due to angular, parallel, or axial displacements, the flexible element allows the hubs to move relative to each other, thus minimizing the transmission of misalignment forces to the connected machinery.

The operation of a flexible gear coupling involves the following steps:

1. The torque from the driving shaft is transmitted to the first hub with external gear teeth.
2. The external gear teeth on the first hub mesh with the internal gear teeth on the flexible element.
3. As the flexible element deforms under torque and misalignment, it allows the second hub to rotate while maintaining contact with the first hub.
4. The torque is then transmitted from the flexible element to the second hub, which drives the driven shaft.

The flexibility of the elastomeric element in a flexible gear coupling allows it to dampen vibrations and shocks that may occur during operation, thereby protecting the connected equipment from potential damage. Additionally, its ability to accommodate misalignment reduces stress on the shafts and bearings, extending the life of the power transmission system.

editor by CX 2024-04-03