Henan YL, YLD type flange coupling

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WH type slider coupling GYD type (formerly YLD type) flange coupling Oldham coupling

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YL and YLD type flange couplings use bolts to connect two flange (flange) disc type half couplings. The two half couplings are respectively connected with two shafts by keys to realize the two shaft connection and transmit torque. And sports.

YL and YLD type flange couplings have simple structure, convenient manufacturing, low cost, easy work, assembly and disassembly, and maintenance. The transmission torque is large, and the two shafts can have high centering accuracy. They are generally used Shaft transmission with stable load, high speed or high transmission accuracy requirements. The bolts on the YLD flange coupling can be all bolts for reaming holes, or half of them are bolts for reaming holes, and the other half are ordinary bolts.

YL and YLD flange couplings have two main structural forms:

1. Rely on the reamed hole and use the bolt to realize the two-axis centering and rely on the bolt rod to bear the extrusion and shear to transmit the torque.

2. It is centered by matching the convex shoulder on one half coupling with the groove on the other half coupling.The bolts connecting the two half-couplings can be used with ordinary B-grade bolts, and the torque is transmitted by the frictional moment of the joint surface of the two half-couplings.

YL, YLD typeFlange couplingThe requirements for the neutrality of the two shafts are very high. When the two shafts have relative displacements, additional loads will be caused in the machine parts and the working conditions will deteriorate. This is its main disadvantage.However, due to the simple structure, low cost, and large torque transmission, it is often used when the speed is low, there is no impact, the shaft is rigid, and the neutrality is good.

Basic parameters and main dimensions of YL and YLD flange couplings

model	Nominal torque Tn(N·m)	Allowable speed [n]r/min		Axle hole diameter d(H7)		Shaft hole length L		D	D1	bolt		L0		Moment of inertia (kg.m2)	weight (kg.m3)
						Y type	J1 type			Quantity n	Diameter M
		iron	steel	iron	steel							Y type	J1 type
YL1 YLD1	10	8100	13000	10 11	10 11	25	22	71	53	3 (3)	M6	54	48	0.0018	0.94
				12 14	12 14	32	27					68	58
				16 18 19	16 18 19	42	30					88	64
				20 -	20 22	52	38					108	80
YL2 YLD2	16	7200	12000	12 14	12 14	32	27	80	64	4 (4)	M6	68	58	0.0035	1.50
				16 18 19	16 18 19	42	30					88	64
				20 22	20 22	52	38					108	80
YL3 YLD3	25	6400	10000	14	14	32	27	90	69	3 (3)	M8	68	58	0.0060	1.99
				16 18 19	16 18 19	42	30
												88	64
				20 22	20 22 24	52	38					108	80
												128	92
YL4 YLD4	40	5700	9500	18 19	18 19	42	30	100	80	3 (3)	M8	88	64	0.0093	2.47
				20 22 24	20 22 24	52	38					108	80
				25 -	25 28	62	44					128	92
YL5 YLD5	63	5500	9000	22 24	22 24	52	38	105	85	4 (4)	M8	108	80	0.013	3.19
				25 28	25 28	62	44					128	92
				30 -	30 32	82	60					168	124
YL6 YLD6	100	5200	8000	24	24	52	38	110	90	4 (4)	M8	108	80	0.017	3.99
				25 28	25 28	62	44					128	92
				30 32 -	30 32 35	82	60					168	124
YL7 YLD7	160	4800	7600	28	28	62	44	120	95	4 (3)	M10	128	92	0.029	5.66
				30 32 35 38	30 32 35 38	82	60					168	124
				-	40	112	84					228	172
YL8 YLD8	250	4300	7000	32 35 38	32 35 38	82	60	130	105	4 (3)	M10	169	125	0.043	7.29
				40 42 -	40 42 45	112	84					229	173		6.53
YL9 YLD9	630	4100	6800	38	38	82	60	140	115	6 (3)	M10	169	125	0.064	9.53
						112	84					229	173
				40 42 45 48 -	40 42 45 48 50
YL10 YLD10	630	3600	6000	45 48 50 55 -	45 48 50 55 56			160	130	6 (4)	M12			0.112	12.46
				-	60	142	107					289	219
YL11 YLD11	1000	3200	5300	50 55 56	50 55 56	112	84	180	150	8 (4)	M12	229	173	0.205	17.97
				60 63 65 -	60 63 65 70	142	107					289	219
YL12 YLD12	1600	2900	4700	60 63 65 70 71 75	60 63 65 70 71 75			200	170	12 (6)	M12			0.443	30.62
				-	80	52	38					349	269	0.463	29.52
YL13 YLD13	2500	2600	4300	70 71 75	70 71 75	142	107	220	185	8 (6)	M16	289	219	0.646	35.58
				80 85 -	80 85 90	172	132					349	269
YL14 YLD14	4000	2300	4800	80 85 90 95	80 85 90 95	172	132	250	215	12 (8)	M16	350	270	1.353	57.13
				100 -	100 110	212	167					430	340
YL15 YLD15	6300	2000	3400	- -	90 95	172	132	290	250	12 (6)	M20	350	270	2.854	89.59
				100 110 120 -	100 110 120 125	212	167					430	340
YL16 YLD16	10000	1800	3000	- - 6 396 hab	100 110 120 125			340	290	12 (6)	M24			5.271	119.57
				130 -	130 140	252	202					510	410
YL17 YLD17	14000	1600	2600	- -	120 125	212	167	380	330	12 (6)	M24	430	340	9.139	171.71
				130 140 150	130 140 150	252	202					510	410
				-	160	302	242					610	490
YL18 YLD18	20000	1400	2300	- -	140 150	252	202	420	360	12 (6)	M30	510	410	(17.883)	(263.5)
				- - -	160 170 180	302	242					610	490

Henan YL, YLD type flange coupling　Shaanxi YL, YLD type flange coupling　

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