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Z8 type expansion coupling sleeve

Z8型胀紧套适用于轴和轴上零件的联结，以传递扭矩，轴向力。内径d=300mm，外径D=375mm的Z3型胀紧联结套：胀套Z8-300×375 JB/T7934-1999 。

Z8型胀紧连接套适用于轴和轴上零件的联结，以传递扭矩，轴向力。内径d=300mm，外径D=375mm的Z3型胀紧联结套：胀套Z8-300×375 JB/T7934-1999
The basic size of Z8 type expansion coupling sleeve locking coupling disc (produced according to JB/T 7934-1999)

basic size						Socket head cap screws		Rated load		Expansion sleeve and shaft Bonding surface pressure Pf N / mm2	Expansion sets and wheels Pressure on the hub joint surface Pf′ N/mm 2	Screw tightening Moment MA N · m	Weight kg
d	D	L1	L2	L3	L4	d 1	n	Axial force F1 KN	Torque M1 KN·m
mm							n	Axial force F1 KN	Torque M1 KN·m
20	47	17	22	28	34	M6 × 20	5	30	0.29	220	95	17	0.25
22	47	17	22	28	34	M6 × 20	5	30	0.32	200	95		0.25
24	50	17	22	28	34	M6 × 20	5	30	0.37	200	95		0.27
25	50	17	22	28	34	M6 × 20	6	36	0.45	215	110		0.27
28	55	17	22	28	34	M6 × 20	6	36	0.50	200	100		0.32
30	55	17	22	28	34	M6 × 20	6	36	0.54	190	100		0.35
32	60	17	22	28	34	M6 × 20	8	48	0.77	215	115		0.37
35	60	17	22	28	34	M6 × 20	8	48	0.84	190	110		0.34
38	65	17	22	28	34	M6 × 20	8	48	0.91	195	115		0.40
40	65	17	22	28	34	M6 × 20	8	48	0.96	190	105		0.38
45	75	20	25	33	41	M8 × 25	7	77	1.75	230	135	41	0.63
50	80	20	25	33	41	M8 × 25	7	77	1.93	210	130		0.68
55	85	20	25	33	41	M8 × 25	8	88	2.45	215	135		0.73
60	90	20	25	33	41	M8 × 25	8	88	2.70	190	125		0.78
63	95	20	25	33	41	M8 × 25	9	100	3.18	205	140		0.89
65	95	20	25	28	41	M8 × 25	9	100	3.25	200	135		0.83
70	110	24	30	40	50	M10 × 30	8	141	5.00	220	140	83	1.33
75	115	24	30	40	50	M10 × 30	8	141	5.25	200	130		1.40
80	120	24	30	40	50	M10 × 30	8	141	5.60	190	125		1.48
85	125	24	30	40	50	M10 × 30	9	159	6.75	200	135		1.55
90	130	24	30	40	50	M10 × 30	9	159	7.10	190	130		1.63
95	135	24	30	40	50	M10 × 30	10	176	8.35	200	140		1.70
100	145	26	32	44	56	M12 × 30	8	205	10.30	210	145	145	2.60
110	155	26	32	44	56	M12 × 30	8	205	11.25	190	135		2.80
120	165	26	32	44	56	M12 × 30	9	231	13.9	210	145		3.00
130	180	34	40	52	64	M12 × 30	12	308	20.00	190	140		4.60
140	190	34	40	54	68	M14 × 40	9	317	22.25	180	130	230	4.90
150	200	34	40	54	68	M14 × 40	10	352	26.3	190	140		5.20
160	210	34	40	54	68	M14 × 40	11	287	31.0	190	145		5.50
170	225	44	40	64	78	M14 × 40	12	422	35.9	150	115		7.75
180	235	44	50	64	78	M14 × 40	12	422	38.0	145	110		8.15
190	250	44	50	64	78	M14 × 40	15	528	50.1	170	130		9.50
200	260	44	50	64	78	M14 × 40	15	528	52.8	160	125		9.90
220	285	50	56	72	88	M16 × 40	12	587	64.5	145	110	355	13.40
240	305	50	56	72	88	M16 × 40	15	734	88	165	130		14.30
260	325	50	56	72	88	M16 × 40	18	880	114	180	145		15.50
280	355	60	66	84	102	M18 × 50	16	948	132	150	120	485	22.90
300	375	60	66	84	102	M18 × 50	18	1059	159	160	125	485	24.40
320	405	74	81	101	121	M20 × 50	18	1374	220	150	120	690	36.10
340	425	74	81	101	121	M20 × 50	21	1603	272.5	175	135	690	38.40
360	455	86	94	116	138	M22 × 60	18	1710	308	140	110	930	46.20
380	475	86	94	116	138	M22 × 60	21	1995	379	155	125		55.00
400	495	86	94	116	138	M22 × 60	21	1995	399	150	120		61.00
Note: The mechanical performance level of Z8 type expansion coupling set screws is 12.9.