QY3S Speed Reducer -Hardened Tooth Surface Cylindrical Gear Speed Reducer-Zibo Jiuzeng Machinery Co., Ltd.

QY3S Speed Reducer

Description: The company manufactures a full range of industrial reducers and motorized pulleys. Complete specifications and abundant models are available to adapt to various industrial transmission scenarios. We also undertake custom processing of non-standard special-shaped reducers and gear equipment to meet enterprises' transmission supporting requirements.
Release Time: 2026-10-30
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Product Overview

QY3S Hardened Tooth Surface Reducer for Crane

The QY3S hardened gear reducer for crane is mainly used for various mechanisms of cranes. It can also be applied to power transmission of machinery and equipment in conveying, metallurgy, mining, chemical industry, light industry and other sectors.

Operating Conditions:

1. The peripheral speed of gears ≤ 20 m/s;

2. Rotational speed of high-speed shaft ≤ 1500 r/min;

3. Ambient operating temperature: -40℃ ~ +45℃;

4. Forward and reverse rotation available.

Drawing of QY3S Hardened Tooth Surface Reducer for Crane

QY3S Hardened Tooth Surface Reducer for Crane — Outline Drawing

QY3S Hardened Tooth Surface Reducer for Crane — Mounting Dimensions

名义中心距a1	A2	A3	A4	a	N	输入轴端
						I=100-400
						D2		L2		B2		T2
200	140	100	71	511	160	19		40		6		21.5
225	160	112	80	577	175	24		50		8		27
250	180	125	90	645	195	28		60		8		31
280	200	140	100	720	210	32		80		10		35
315	225	160	112	812	230	38		80		10		41
355	250	180	125	910	240	42		110		12		45
						I=100～224				I=250～400
						D2	I2	B2	T2	D2	I2	B2	T2
400	280	200	140	1020	280	48	110	14	51.5	38	80	10	41
450	315	225	160	1150	290	48	110	14	51.5	42	110	12	45
500	355	250	180	1285	325	60	140	18	64	48	110	14	51.5
560	400	280	200	1440	360	65	140	18	69	55	110	16	59
630	450	315	225	1620	410	70	140	20	74.5	60	140	18	64
710	500	355	250	1815	430	80	170	22	85	65	140	18	69
800	560	400	280	2040	490	95	170	25	100	70	140	20	74.5

名义中心距A1	L	H	bo-00.5	F+00.1	G(hg)	D4	E(js14)	s	G1	E1	k	重量(kg)
160	670	314	250	18	190	22	457	20	205	60	185	158
180	740	354	270	20	220	22	505	20	225	80	195	205
200	825	394	280	20	240	26	457	25	253	86	215	260
225	925	434	320	20	260	26	637	25	253	86	230	352
250	1020	482	360	25	270	33	705	30	275	96	255	477
280	1128	534	385	25	320	33	780	30	300	101	270	637
315	1302	622	425	25	340	40	890	35	355	118	310	876
355	1432	696	470	30	390	40	985	35	390	128	335	1174
400	1602	780	525	30	440	45	1105	4	430	148	375	1980
450	1772	880	600	40	520	45	1225	40	485	155	415	2402
500	1990	970	660	40	600	52	1375	45	540	180	450	3275
560	2185	1070	730	40	640	52	1525	45	585	192	510	4434
630	2445	1240	815	50	640	62	1700	50	665	212	565	6105
710	2735	1392	880	50	680	62	1900	60	750	229	600	8168
800	3075	1580	985	60	800	70	2125	60	850	249	670	11656

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