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QJC type drum coupling (Q/YJ16027X-2018)

Product Overview:

The QJC-series crowned-tooth gear coupling (compliant with standard Q/YJ16027X-2018) is a highly reliable power transmission component designed for demanding industrial environments. Engineered specifically for heavy-duty applications, it combines precision-manufactured crowned-tooth hubs with elastic cushioning elements to deliver superior torque transmission efficiency and equipment protection for shaft connections.

Key Advantages for International Buyers:

1. Superior Misalignment Handling: The QJC’s precision-engineered crowned-tooth structure effectively compensates for angular, radial, and axial shaft misalignment. This flexibility simplifies installation while significantly reducing wear on connected equipment (such as motors and gearboxes), thereby extending the system's service life.

2. Integrated Vibration Dampening: Unlike traditional rigid gear couplings, the QJC features an elastomeric element positioned between the two crowned-tooth hubs. Acting as a "power buffer," this design effectively absorbs operational vibrations and transient shocks, ensuring smooth system performance under complex load conditions.

3. Military-Grade Material Excellence: Precision-forged from high-quality alloy or carbon steel, the coupling offers exceptional impact toughness, fatigue resistance, and corrosion resistance. It maintains structural stability even in harsh environments characterized by heavy dust and extreme temperature fluctuations, such as mining or metallurgical sites.

4. Modular Maintenance Efficiency: Thanks to its simple modular design, the QJC series allows for rapid disassembly and assembly. This significantly reduces maintenance downtime and lowers long-term operational labor costs.

5. High Torque-to-Weight Ratio: The coupling delivers immense torque-carrying capacity within a compact structure, making it the ideal choice for heavy machinery where space is limited but power demands are high.

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Product Parameters

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TECHNICAL PARAMETERS

Basic parameters and main dimensions of QJC drum coupling

Type	Nominal torque KN·m	Transfer torque KN.m						Spline	K	B₁	D₁	D₂	D₃	D₄	D₅	H	H₁	H₂	H₃	L₁	L₂	L₃	n-D₆	Bolt	n×α°	Ra	c	Moment of inertia I/kg·m²	Mass m/kg
		Working Class
		M3	M4	M5	M6	M7	M8
QJC01	6.3	6.3	5.6	5	4.5	4	3.55	15Zx3m	250	80	300	190	40	50	260	12	3	37	4	30	18	22	8-14	M12	1×40	1.6	1.6	0.13	18.9
QJC02	9	9	8	7.1	6.3	5.6	5	18Zx5m	280	84	320	200	50	60	280	15	3	39	5	30	22	22	8-18	M16	1×40	1.6	2	0.19	22.6
QJC03	12.5	12.5	11.2	10	9	8	7.1	22Zx3m	300	92	340	220	60	70	300	15	3	43	5	35	25	22	8-18	M16	1×40	2	2	0.27	28
QJC04	16	16	14	12.5	11.2	10	9	27Zx3m	320	97	360	240	70	85	320	15	4	44.5	5.5	40	25	22	8-18	M16	1×40	2	2.5	0.37	32.8
QJC05	20	20	18	16	14	12.05	11.2	18Zx5m	340	127	380	260	80	100	340	15	4	59.5	10.5	50	25	37	8-18	M16	1×40	2	2.5	0.56	47
QJC06	25	25	22.4	20	18	16	14	22Zx5m	360	137	400	280	100	120	360	15	5	63.5	10.5	55	30	37	8-18	M16	1×40	2	2.5	0.76	57
QJC07	40	40	35.5	31.5	28	25	22.4	28Zx5m	400	157	450	340	120	140	400	15	5	73.5	12.5	70	35	37	2-22	M20	2×20	2.5	3	1.65	90
QJC08	63	63	56	50	45	40	35.5	30Zx5m	450	167	500	380	140	160	450	20	6	77.5	13.5	75	40	37	2-22	M20	2×20	2.5	3	2.86	122
QJC09	80	80	71	63	56	50	45	34Zx5m	500	182	550	420	160	180	500	20	6	85	16	85	45	37	2-22	M20	2×20	2.5	3	4.49	157
QJC10	125	125	112	100	90	80	71	38Zx5m	530	192	580	450	180	200	530	20	6	90	14	95	45	37	2-22	M20	2×20	2.5	4	6.18	190
QJC11	200	200	180	160	140	125	112	26Zx8m	580	207	650	530	190	222	600	25	7	96.5	15.5	10	45	37	2-22	M20	2×20	2.5	4	12.5	290
QJC12	315	315	280	250	224	200	190	30Zx8m	600	222	680	560	220	254	630	25	7	104	16	12	45	37	24-22	M20	5×10	2.5	5	16.4	335
QJC13	400	400	355	315	280	250	222	34Zx8m	640	237	710	600	250	286	660	35	8	110.5	17.5	13	45	37	24-26	M24	5×10	3	6	23.13	393
QJC14	500	500	450	400	355	315	280	38Zx8m	700	262	780	670	280	318	730	35	8	123	16	15	55	37	24-28	M24	5×10	3	5	39.18	551
QJC15	630	630	560	500	450	400	355	44Zx8m	760	287	850	730	320	366	800	35	9	134.5	17.5	17	60	37	24-55	M24	5×10	3	6	59.25	693
QJC16	800	800	710	630	560	500	450	50Zx8m	860	352	950	840	360	420	900	45	10	166	37	22	60	52	24-26	M24	5×10	3	6	114.5	1250
QJC17	1120	1120	1000	900	800	710	630	44Zx10m	1020	410	1120	975	400	460	1055	50	15	190	37	26	60	65	24-29	M27	5×10	4	6	260.4	1950
QJC18	1490	1490	1380	1250	1120	1000	900	56Zx10m	1100	430	1200	1055	540	580	1135	60	25	190	37	27	60	70	24-29	M27	5×10	4	6	337.8	2250

Note: If you need larger specifications of the drum coupling we can also design and manufacture.

Zhongye Heavy Industry Technology (Zhenjiang) Co., Ltd.

Zhongye Heavy Industry Technology (Zhenjiang) Co., Ltd. is located in a well-known ancient city, Zhenjiang. We are an enterprise integrating R & D, manufacturing, and sales. As a famous China QJC type drum coupling (Q/YJ16027X-2018) Manufacturers and QJC type drum coupling (Q/YJ16027X-2018) Suppliers, our products are widely used in metallurgical equipment, mining equipment, water equipment, lifting equipment, paper equipment, port equipment and other industries.
Our main products are toothed coupling, elastic sleeve column pin coupling, elastic column pin coupling, gear coupling with elastic pin, a universal coupling, tire coupling, jaw coupling, star coupling, diaphragm coupling, drum coupling and grid coupling, the Oldham coupling, flange coupling, clip shell coupling, GL type roller chain coupling and a safety coupling, and so on. Our company also undertakes a variety of non-standard coupling designs and manufacturing.
New workshop covers an area of about 16463.52m². heavy workshop 5,500 M2, Precision workshop 4,600m², office building and the gymnasium 2000 M2, Dinning hall 500m², Warehouse 1000m², Roads, greening, parking areas 3563 M2.

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