High Torque Drum Series Crowned Gear Coupling for Hoisting Mechanism of Lifting Equipment

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Product Description

The drum shape gear coupling is one of the most popular moveable rigidity coupling. It is in the use tooth to realizes two half coupling connection. The characteristic of it is the structure is compact, the use scope is broad, the work is reliable, has the synthesis compensates two axes relatively displacement abilities.But the manufacture difficulty, needs the good lubrication and the seal, when the reverse has the impact. It is suitable for the horizontal axis connection under the heavy load works or high-speed operation.

1.1 Crowned teeth coupling is a new kind flexible Coupling which used In the connecting between d rum and reducer in exal.tation pants of lifting machine, this kind coupling can transfer torque and load on radial but can not tendrue the transfer of load on axial it' S working temperature is from. 25℃to+80℃ Transfer normal torque is from 4 to 800 kn, m: allowalbe loading on radialis from 14. 5 to 450kN 1.2 The component which build up crowed teeth coupling are half-coupling, out sleeve with connecting flange and inner geared ring. 10ading ring with out ball face, inner cover, out cover and seal ring. At the same time with orientation abrasion. finger hole of lubricont and blow hole etc. When using please fit half-coupling sleeve on output shaft of speed reducer outer sleeve and steel drum connected by high strength bolts, radial loading is supposed by the self-regulation ball face which formed by connecting of inner supporting face and outer ball face of Supporting ring

2. Compared with other drumed couplings, crow drumed teeth coupling has speciality as below: 2.1 Steady and credible structure, seriation design, it can predigest whole machines structu re, reducmg equipments weight 2.2 Compact and firmed structure, seriation design, it can predigest whole machines structure, redueing eqUipnents weight 2.3 With well orientation capability. It is convinient for intalling and adjusting and convinient for maintenance. 2.4 With orien tation abrasion airetion SO it is very safety. 2.5 In order to reduce equipment cost. It can apply for normal shaR reducer

Code and mark of coupling 3.1 Shaft hole and keyway form of crowned Teeth drum coupling marked as GB/T3582. 97 3.2 Mark sample:
DC55A type crowned teeth drum coupling, drive end Y type shaft hole. A type keyway, d is 210mm, Lis 350mm Standard for coordination. Driven end connected as the standarsd of catalogue, marked as DC55A YA210×350

Selecting explainetion of coupling 5.1 Selecting coupling can accord with calculated torque, radial power and shaft spread form.
As requirdment in special Situa. tion, it cmust check. Shaft spread cooperation, intensity and reliability of drum coupling. 5.2
Please calculate torque as formula below: To≤Tn To=9550 etaτ etaτ xK1xK2 x $6 formula: To IS calculated torque (kNm): K1 is compensating factor on radial load(as sheetl) (1+2) k2 working complexion factor(as sheet2) $ 6 is dynamic load factor, a calculated as formula: $6= 2 $ 2 is uprising factor, normally it is from 1 to 2, 2 should be langer when high speed uprising:
Large system rigidity and violent operating; piece reference GB/3811-83 《Design criterion of lift》. nTis drum rum speed when lift steady running r/min. η T is the efficiency of bearing by drum, when rolling baring η T iS 0.98, the sliding bearing η Tis 0.96.nT is output horse power of reduer. (kW). Tn is normal torque, (kN.m) Fr

Spec	Factor K1
DC01, DCL01	5.2
DC02, DCL02	4.7
DC03, DCL03	4.1
DC35, DCL35	3.7
DC04, DCL04	3.4
DC05, DCL05	3
DC55, DCL55	2.8
DC06, DCL06	2.6
DC07, DCL07	2.4
DC08, DCL08	2.2
DC09, DCL09	2
DC10, DCL10	1.8

Working Grade	Working Complexion Factor K2
M2	1
M3	1.12
M4	1.25
M5	1.4
M6	1.6
M7	1.8
M8	2

Flange sizes connection mode between drum and coupling

It is connected by taper keys between steel drum and coupling, there are connecting modes, they are flange and divectlon. Connection detail sizes and requirements as below

connecting flange size

Type	H (mm)	C1 (mm)	S(F8) (mm)	D1 (mm)	D2(F8) (mm)	α (°)	N-d1 (mm)
DC01A, DC01B	≥20	4	360	360	280	30	10-18 / 10-M16
DC02A, DC02B	≥20	4	380	380	310	30	10-18 / 10-M16
DC03A, DC03B	≥20	4	400	400	340	30	10-22 / 10-M20
DC35A, DC35B	≥25	4	460	460	400	20	10-22 / 10-M20
DC04A, DC04B	≥25	4	500	500	420	20	14-22 / 14-M20
DC05A, DC05B	≥30	5	530	530	450	20	14-22 / 14-M20
DC55A, DC55B	≥30	5	560	560	500	13.3	20-22 / 20-M20
DC06A, DC06B	≥30	5	580	600	530	13.3	20-22 / 20-M20
DC65A, DC65B	≥30	5	590	615	545	13.3	26-22 / 26-M20
DC07A, DC07B	≥30	5	600	630	560	10	26-22 / 26-M20
DC08A, DC08B	≥45	5	640	660	600	10	26-22 / 26-M20
DC09A, DC09B	≥45	5	700	730	670	10	26-26 / 26-M24
DC10A, DC10B	≥45	5	760	800	730	10	26-26 / 26-M24

Connecting mode of connecting between steel draw and coupling can be the drawing as below. There are 2 connecting modes, they are middle flange and direct connecting. Detail sizes and requirement as below

connecting flange size

Type	H (mm)	L (mm)	C1 (mm)	S(F8) (mm)	D1 (mm)	D2(F8) (mm)	α (°)	N-d1 (mm)
DC01A	≥25	≥10	4	360	360	280	30	10-18 / 10-M16
DC02A	≥25	≥10	4	380	380	310	30	10-18 / 10-M16
DC03A	≥25	≥10	4	400	400	340	30	10-22 / 10-M20
DC35A	≥30	≥15	4	460	460	400	20	10-22 / 10-M20
DC04A	≥30	≥15	4	500	500	420	20	14-22 / 14-M20
DC05A	≥40	≥20	5	530	530	450	20	14-22 / 14-M20
DC55A	≥50	≥25	5	560	560	500	13.3	20-22 / 20-M20
DC06A	≥50	≥25	5	580	600	530	13.3	20-22 / 20-M20
DC65A	≥50	≥25	5	590	615	545	13.3	26-22 / 26-M20
DC07A	≥50	≥25	5	600	630	560	10	26-22 / 26-M20
DC08A	≥60	≥35	5	640	660	600	10	26-22 / 26-M20
DC09A	≥60	≥35	5	700	730	670	10	26-26 / 26-M24
DC10A	≥60	≥35	5	760	800	730	10	26-26 / 26-M24

The bolts, which connect coupling and drum, inner-cover and outer cover of coupling, should be 8.8 grade, it's

Screw Specification	Anticipated Torque (N·m)
M8	26
M10	51
M12	89
M16	215
M20	420
M24	725

Our company has a complete production line that can meet customers' different product needs. Customers are welcome to inquire or take pictures or samples to customize products!

Applications

1. Heavy Machinery and Industrial Equipment Gear couplings are widely used in heavy machinery that requires high torque transmission, such as rolling mills, crushers, and mixers.

2. Power Generation Gear couplings connect turbines, generators, and auxiliary equipment in power plants, where high speed and high torque transmission are critical.

3. Oil and gas industry For pumps, compressors, and drilling equipment in upstream and downstream operations, where reliability in harsh conditions is critical.

4. Marine and Shipbuilding Gear couplings are used in propulsion systems and auxiliary machinery of ships, which must withstand vibration, misalignment, and seawater erosion.

5. Pulp and Paper Industry Used in processing equipment that requires continuous operation and high torque, such as pulpers, refiners, and paper machines.

6. Automotive and Transportation Used in test rigs, manufacturing equipment, and heavy vehicles that require precise torque transmission.

7. Chemical and Petrochemical Plants Gear couplings drive agitators, mixers, and pumps in chemical processing, where corrosion resistance and reliability are critical.

8. Agricultural and forestry equipment Used in heavy agricultural machinery and forestry equipment that require strong power transmission.

Hangzhou EVER POWER Co., Ltd. is a professional industrial transmission equipment R&D and production manufacturer. The company covers an area of 55 acres and has a production workshop of 12,000 square meters. It has strong technical force, advanced technology, more than 20 years of manufacturing experience, 108 sets of production equipment, and a complete set of supporting equipment such as lathes, punching machines, carbon dioxide welding machines, oxygen welding machines, cutting machines, painting equipment, shearing and folding equipment. It has strong processing capabilities, strong production capabilities, and strong product durability. The company has passed ISO9001 quality management system certification. The company adheres to the corporate purpose of "establishing a business with integrity, innovative development, creating an excellent brand, and growing strength", implements the quality policy of "full participation, excellence, quality, and customer satisfaction", and follows the business strategy of "sufficient market, technological innovation, people-oriented, and sustainable development" to steadily enhance the core competitiveness of the enterprise. Dedicated to creating value for customers and society. Quality is the life of the product, reputation is the life of the enterprise, product qualification is not the standard, customer satisfaction is the purpose!

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EVER-POWER GROUP SPECIALIST IN MAKING ALL KINDS OF MECHANICAL TRANSMISSION AND HYDRAULIC TRANSMISSION LIKE: PLANETARY GEARBOXES, WORM REDUCERS, IN-LINE HELICAL GEAR SPEED REDUCERS, ARALLEL SHAFT HELICAL GEAR REDUCERS, HELICAL BEVEL REDUCERS, HELICAL WORM GEAR REDUCERS, AGRICULTURAL GEARBOXES, TRACTOR GEARBOXES, AUTO GEARBOXES, PTO DRIVE SHAFTS, SPECIAL REDUCER & RELATED GEAR COMPONENTS AND OTHER RELATED PRODUCTS, SPROCKETS, HYDRAULIC SYSTEM, VACUUM PUMPS, FLUID COUPLING, GEAR RACKS, CHAINS, TIMING PULLEYS, UDL SPEED VARIATORS, V PULLEYS, HYDRAULIC CYLINDER, GEAR PUMPS, SCREW AIR COMPRESSORS, SHAFT COLLARS LOW BACKLASH WORM REDUCERS AND SO ON. FURTHERMORE, WE CAN PRODUCE CUSTOMIZED VARIATORS, GEARED MOTORS, ELECTRIC MOTORS AND OTHER HYDRAULIC PRODUCTS ACCORDING TO CUSTOMERS’ DRAWINGS.

Q: Are you trading company or manufacturer ? A: Our group consists in 3 factories and 2 abroad sales corporations. Q: Do you provide samples ? is it free or extra ? A: Yes, we could offer the sample for free charge but do not pay the cost of freight. Q: How long is your delivery time ? What is your terms of payment ? A: Generally it is 40-45 days. The time may vary depending on the product and the level of customization. For standard products, the payment is: 30% T/T in advance ,balance before shippment. Q: What is the exact MOQ or price for your product ? A: As an OEM company, we can provide and adapt our products to a wide range of needs.Thus, MOQ and price may greatly vary with size, material and further specifications; For instance, costly products or standard products will usually have a lower MOQ. Please contact us with all relevant details to get the most accurate quotation. If you have another question, please feel free to contact us.