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JZQ (ZQ/ZQH) cylindrical gear reducer

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Parameters

The scope of application and structure of this machine 1. Application scope and advantages: This machine is widely used in various lifting, transportation, mining machinery and other machinery for deceleration. Its linkage mode can be directly linked with a coupling or flexible linkage with a V-belt. This machine has strong versatility and interchangeability, simple maintenance, and an efficiency coefficient of 0.94. It has the advantages of low starting resistance and flexible movement. The structure of this machine is a two-stage three-axis cylindrical helical gear horizontally divided and fully enclosed type. The lubricating oil is contained in the reducer. There are oil baffle plates on the driving shaft and the intermediate shaft. The pivot points of each shaft use rolling bearings. The axial clearance can be adjusted by the internal adjustment ring. The upper part of the machine has an inspection cover and the lower part has an inspection cover. Oil indicator pointer and oil used to drain waste oil.

Main specifications

This series of reducers are divided into the following types according to size, speed ratio, and assembly form:

1. According to the center distance of the active shaft and the passive shaft, there are eight models: JZQ250, JZQ350, JZQ400, JZQ500, JZQ650, JZQ750, JZQ850, JZQ1000.

2. According to the speed ratio, each model is divided into the following nine speed ratios. (Table II)

3. According to the assembly method of the active shaft and the passive shaft, there are nine assembly forms. (Picture 1)

Basic dimensions of JZQ cylindrical gear reducer

model	Center distance			Center height H0	Maximum size			Shaft end size		L1	L2	L3	B4	H1	g	Installation size						Maximum quality kg
	a	a1	a2		L	B	H	High speed shaft B1	Low speed shaft B2							C	C1	Hole distance		Aperture d	Number of holes n
	a	a1	a2		L	B	H	High speed shaft B1	Low speed shaft B2							C	C1	S1	S2	Aperture d	Number of holes n
JZQ250	250	100	150	160-00.5	540	230	313	200	218	345	101	-	-	-	20	60	28	235	190	17	4	100
JZQ350	350	150	200	200-00.5	730	290	440	260	248	470	132	-	-	-	25	100	40	310	250	17	4	200
JZQ400	400	150	250	250-00.5	826	310	490	270	303	490	133	-	-	-	25	110	80	370	370	17	4	250
JZQ500	500	200	300	300-00.5	986	350	587	330	323	645	148	-	-	-	25	130	80	240	310	17	6	390
JZQ650	650	250	400	320-01.5	1278	470	695	430	428	830	183	495	324	100	30	160	85	215	410	25	8	880
JZQ750	750	300	450	320-01.5	1448	510	740	450	445	1020	206	620	364	135	35	155	55	275	450	25	8	1100
JZQ850	850	350	500	400-01.5	1632	580	875	510	523	1100	236	610	418	105	38	155	75	300	520	32	8	1500
JZQ1000	1000	400	600	400-01.5	1896	660	965	550	603	1350	257	870	478	200	40	200	100	350	590	32	8	2230