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GCLD Type Spherical Tooth Coupling

The drum-type gear coupling is a type of rigid-flexible coupling that can compensate for misalignment along the radial, axial, and angular directions. Compared with straight-tooth couplings, it offers advantages such as a compact structure, a small turning radius, high load-carrying capacity, high transmission efficiency, low noise, and a long maintenance interval.

Detailed introduction

Product Features
The drum-type gear coupling is a type of rigid-flexible coupling that can compensate for misalignment along the radial, axial, and angular directions. Compared with straight-tooth couplings, it offers advantages such as a compact structure, a small turning radius, high load-carrying capacity, high transmission efficiency, low noise, and a long maintenance interval.

Application scenarios
Suitable for shaft transmission systems in industries such as metallurgy, mining, lifting and transportation, as well as for various types of machinery including petroleum, chemical, and general-purpose machinery.

GCLD Type Spherical Tooth Coupling
The GCLD-type motor shaft extension type drum-type gear coupling features a certain degree of angular misalignment compensation capability, making it suitable for connecting the drive shafts of electric motors and machinery with horizontal shaft lines. The operating temperature range is from -20°C to +80°C, and the nominal torque transmission capacity ranges from 1.12 to 50 kN·m. The structural configuration is shown in Figure 4.1, and the technical parameters and main dimensions are listed in Table 4-1.

Figure 4.1 GCLD-type drum-type gear coupling

Table 4-1: Technical Parameters and Main Dimensions of GCLD Type Spherical Tooth Coupling

Model	Nominal torque Mr. kN·m	Permissible Rotational Speed [n] revolutions per minute	Shaft hole diameter	Shaft hole length		D	C	C ₁	H	e	Moment of inertia kg · m²	Grease amount mL	Quality Kilogram
			d	Y	J ₁ , Z ₁
				mm
GCLD1	1.12	4000	22, 24	52	38	127	27	6	2	42	0.00875	107	6.2
			25, 28	62	44						0.01025		7.2
			30, 32, 35, 38	82	60						0.011		7.8
			40, 42, 45, 48, 50, 55, 56	112	84						0.01175		9.6
GCLD2	1.8	4000	38	82	60	149	26.5	6.5	2	42	0.02125	137	11.2
			40, 42, 45, 48, 50, 55, 56	112	87						0.02425		14
			60, 63, 65	142	107		33				0.0215		16.4
GCLD3	3.15	4000	40, 42, 45, 48, 50, 55, 56	112	84	167	33	7	2.5	42	0.04	201	17.4
			60, 63, 65, 70, 71, 75	142	107						0.0475		22.4
GCLD4	5	4000	45, 48, 50, 55, 56	112	84	187	33.5	7.5	2.5	42	0.0725	238	25.2
			60, 63, 65, 70, 71, 75	142	107						0.0825		26.4
			80, 85, 90	172	132		38				0.095		35.6
GCLD5	7.1	3750	50, 55	112	84	204	37.5	7.5	2.5	42	0.1125	298	31.6
			60, 63, 65, 70, 71, 75	142	107						0.1275		38
			80, 85, 90, 95	172	132						0.145		44.6
			100	212	167		43.5				0.1675		53.9
GCLD6	10	3300	55, 56	112	84	230	43.5	8.5	3	47	0.1875	465	40.5
			60, 63, 65, 70, 71, 75	142	107						0.21		49.8
			80, 85, 90, 95	172	132						0.235		56.3
			100, 110	212	167						0.2675		67.5
GCLD7	16	3000	60, 63, 65, 70, 71, 75	142	107	256	48	9	3	47	0.3575	561	63.9
			80, 85, 90, 95	172	132						0.40		74.7
			100, 110, 120, 125	212	167						0.4625		88
			130	252	202						0.5275		106.7
GCLD8	22.4	2650	65, 70, 71, 75	142	107	287	40.5	8.5	3.5	47	0.560	734	81.7
			80, 85, 90, 95	172	132						0.6275		95.5
			100, 110, 120, 125	212	167		48				0.72		114
			130, 140, 150	252	202						0.8125		123
GCLD9	35.5	2350	70, 71, 75	142	107	325	49.5	905	3.5	47	1.0775	956	112
			80, 85, 90, 95	172	132						1.2075		130
			100, 110, 120, 125	212	167						1.3825		156
			130, 140, 150	252	202						1.56		181
			160, 170	302	242		58				1.77		212
GCLD10	50	2100	75	142	107	362	65	11	4	49	1.97	1320	161
			80, 85, 90, 95	172	132						2.0725		172
			100, 110, 120, 125	212	167						2.38		206
			130, 140, 150	252	202						2.5625		239
			160, 170, 180	302	242						3.055		280
			190, 200	352	282		68				3.4225		319

Note: 1. The moment of inertia and mass are calculated based on Type J1, including the shaft extension.
　　2. e represents the dimensions required for replacing the seal.
　　3. The allowable rotational speed [n] refers to the value when the equivalent angular misalignment is ≤0.25°. If the equivalent angular misalignment exceeds 0.25°, please consult our company’s technical staff for selection guidance.

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