DC Drum Coupling For Crane

DC Drum Coupling is designed with drum teeth, which is used for connecting the reducer of crane transmission system with the drum. It can bear radial load and transfer large torque, but cannot transfer axial load.

Model	Allowable Rotating Speed	Nominal Torque	Radial Load	Shaft Hole		Overall Dimensions									Drum Connection Size							Wear Scale	Axial Clearance	Load Position	Rotational Inertia	Quality
	Allowable Rotating Speed	Nominal Torque	Radial Load	Diameter	Length	Overall Dimensions									Drum Connection Size							Wear Scale	Axial Clearance	Load Position	Rotational Inertia	Quality
	rpm	kN ·m	kN	dmax	Lmax	D	D₁(h₆)	D₂(h₉)	L₁	L₂	L₃	L₄	L₅	L₆	S(h₉)	D₁	N-d₁	Bolt	a	d₃	r	M₁	Xmax	e	Kg ·m²	Kg
DC01A DC01B	200	16	18	110	185	400	280	180	80	85	15 20	25	26 21	11	360	360	10-18	M16	30°	M16	2.5	1.0	±2.5	88	1	80
DC02A DC02B	200	22.4	25	125	200	420	310	212	80	102	15 20	25	26 21	11	380	380	10-18	M16	30°	M16	2.5	1.0	±2.5	88	1.5	100
DC03A DC03B	200	31.5	35.5	150	225	450	340	230	80	110	20 20	25	21 21	11	400	400	10-22	M20	30°	M20	2.5	1.0	±2.5	88	2.5	120
DC35A DC35B	200	45	50	160	235	510	400	250	95	124	20 25	30	34 29	15	460	460	10-22	M20	30°	M20	2.5	1.0	±2.5	106	3	150
DC04A DC04B	200	63	71	200	250	550	420	280	95	130	20 25	30	34 29	15	500	500	14-22	M20	20°	M20	2.5	1.5	±2.5	106	4.5	190
DC05A DC05B	200	90	90	220	265	580	450	315	95	145	20 25	30	34 29	15	530	530	14-22	M20	20°	M20	2.5	1.5	±2.5	110	7.3	245
DC55A DC55B	200	125	112	240	290	620	500	345	101	160	25 30	35	35 30	19	560	560	20-22	M20	13.3°	M20	2.5	1.5	±2.5	110	10.3	330
DC06A DC06B	200	160	140	260	300	650	530	375	101	170	25 30	35	35 30	19	580	600	20-22	M20	13.3°	M20	2.5	2.0	±2.5	116	15.5	385
DC65A DC65B	200	190	165	270	300	665	545	387	101	175	25 30	35	35 30	19	590	615	26-22	M20	10°	M20	4	2.0	±2.5	116	18.3	435
DC07A DC07B	200	250	180	280	310	680	560	400	101	183	25 30	36	35 30	19	600	630	26-22	M20	10°	M20	4	2.0	±2.5	116	21.4	485
DC08A DC08B	200	315	224	300	345	720	600	437	111	186	35	36	35	21	640	660	26-26	M24	10°	M24	4	2.5	±2.5	118	30.6	550
DC09A DC09B	200	450	280	340	380	780	670	496	111	213	35	40	33	21	700	730	26-26	M24	10°	M24	4	2.5	±2.5	118	40.2	650
DC10A DC10B	200	560	335	380	420	850	730	545	111	230	35	43	33	21	760	800	26-26	M24	10°	M24	4	2.5	±2.5	120	65.1	890
DC11B	200	710	450	420	420	950	800	600	120	240	40	50	35	26	840	880	26-32	M30	10°	M24	5	3.0	±3	131	100	1000
DC12B	200	1000	600	460	440	1010	850	650	127	256	46	50	36	30	890	940	26-32	M30	10°	M24	5	3.0	±3	134	140	1225
DC13B	200	1250	750	500	470	1090	930	720	133	282	50	55	36	32	960	1020	26-32	M30	10°	M24	5	3.0	±3	145	207	1540
DC14B	200	1600	900	540	490	1170	1010	780	140	297	55	60	36	36	1030	1100	26-32	M30	10°	M30	5	3.0	±3	150	310	1922
DC15B	200	2000	1100	580	510	1270	1090	840	145	318	60	70	36	40	1120	1200	26-32	M30	10°	M30	5	3.0	±3	162	449	2395
DC16B	200	2500	1300	640	540	1430	1240	960	145	346	60	70	36	40	1260	1360	26-32	M30	10°	M30	6	4.0	±4	168	809	3370
DC17B	200	3150	1600	700	570	1540	1340	1050	159	365	70	80	38	50	1360	1460	26-38	M36	10°	M30	6	4.0	±4	181	1177	4170
DC18B	200	4000	2000	780	600	1640	1440	1150	159	394	70	80	38	50	1460	1560	26-38	M36	10°	M30	6	4.0	±4	191	1634	4930

DC drum coupling is mainly used for connecting the output shaft of the reducer of the lifting mechanism of lifting equipment to the wire rope drum. Its core function is to transmit large torque and withstand radial loads, while compensating for axis offset generated during installation or operation. This makes the DC drum coupling an indispensable connecting component in cranes, lifting mechanisms, and similar structures.

Structural characteristics

Compact design: The DC coupling adopts a compact structural design, making it compact in size and easy to install and use in limited space.
Drum shaped tooth structure: Its interior usually adopts a drum shaped tooth structure, which not only has a high load-bearing capacity, but also can compensate for axis offset, improve the stability and reliability of the connection.
Wear indication function: Some DC drum couplings also have built-in wear indication devices, which can monitor the wear status of the tooth surface in real time, ensuring the safe operation of the equipment.

The performance parameters of DC barrel couplings usually include allowable speed, nominal torque, radial load, and shaft hole diameter. These parameters vary depending on the model and specifications.

Due to the compact structure of the DC drum coupling and the compatibility of the shaft hole size with the standard reducer output shaft, its installation process is relatively convenient, which can greatly shorten the installation and commissioning time of the equipment.

Regular inspection and maintenance of the DC drum coupling during use are key to ensuring its long-term stable operation. Especially pay attention to the wear of the tooth surface and replace severely worn components in a timely manner.

Although DC barrel gear couplings can withstand large torque and radial loads, they are prohibited from bearing axial loads. Therefore, it is important to ensure that the force direction is correct during installation and use.

When selecting DC drum couplings, accurate selection should be made based on the actual needs and working environment of the equipment to ensure that they can meet the connection requirements of the equipment.

DC barrel couplings play an important role in industrial fields such as lifting equipment due to their compact structure, strong load-bearing capacity, and convenient installation and maintenance.

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