WGSE Series

The WGSE Series comprises a slewing ring with external helical gear mounted in a common casing with a worm shaft. The gearing is protected from the elements by a cast iron housing

Should the working environment be especially WET it is suggested that the WGWEA or WGWEB series is considered due to improved casing seal designs.

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Product Overview

The WGSE Series comprises a slewing ring with external helical gear mounted in a common casing with a worm shaft. The gearing is protected from the elements by a cast iron housing.

Note: The WGSE series was designed to be installed seal side DOWN, although this is not mandatory.

Should the working environment be especially WET, it is suggested that the WGWEA or WGWEB series is considered due to improved casing seal designs.

Slewing drives usually consist of an inner ring and an outer ring which are separated by balls with either an helical or true worm gear in the outer ring. This is mounted on a common housing that contains a worm shaft and shaft support bearings.

The rings may incorporate tapped or clearance holes for bolts. The rolling elements are usually separated by spacers and the raceways hardened and ground. Nitrile rubber strip seals retain lubricant in the bearing, and prevent the ingress of contaminants. Grease fittings allow re-lubrication to the bearing raceway, the worm gear and the supporting worm shaft bearings.

QCB Slewing Drives are normally supplied with motors in RIGHT HAND configuration as illustrated below.
(The outer/ rotating ring is facing up, the worm shaft casing is toward you and the motor mount is on the right hand side)

Be aware the load speed is usually restricted to 3 rpm max. QCB Spur gear slew drives can offer faster load speeds.

What are the Typical uses of Slew Drive?

Wind Turbines
Solar Trackers
Excavators
Satellite and Radar
Robotic assembly arms

Dimensions

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	Outline dimensions						Outer holes		Inner holes		Bolt size	Gear ratio	Output torque	Accuracy	Weight
QCB reference	A	B	C	Di	E	H1	La	na	Li	ni			KNm	deg
QCB reference	mm	mm	mm	mm	mm	mm	mm		mm						kg

WGSE 3C 62 16 R	114	80	157	–	160.8	98	100	6	100	6	M10	62:1	0.4	<0.2	12
WGSE 5A 62 16 R	138	100	173	–	173	119	128	6	100	6	M10	62:1	0.6	<0.2	20
WGSE 7 73 16 H R	170	133	211	98	211	81	203	8	121	10	M12	73:1	1.5	<0.2	25
WGSE 9A 61 25 H R	239	174	314	145	314	108	270	16	175	16-1	M16	61:1	6.5	<0.17	49
WGSE 12A 78 25 H R	285	220	332	229	324	111	358	18	259	20-1	M16	78:1	7.5	<0.17	60
WGSE 14A 85 25 H R	303	238	338	265	330	110	390	18	295	24-1	M16	85:1	8	<0.17	73
WGSE 17A 102 25 H R	340	282	385	324	385	126	479	20	365	20	M16	102:1	10	<0.15	110
WGSE 21 125 25 H R	403	339	469	432	462	137	584	36	467	36-1	M20	125:1	15	<0.15	158
WGSE 25 150 25 H R	467	402	462	512	462	130	675	36	565	36-1	M20	150:1	18	<0.15	204

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Technical

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For any enquiries regarding WGSE Series, please complete our enquiry form, and a member of our technical team will respond promptly. Alternatively, you can reach out directly to one of our offices using the contact details here. Our specialists are ready to provide guidance and support tailored to your machinery and engineering needs.

	A	B	C	D	E	Di	Ni		Na		H1	H2	H3	WT
	mm	mm	mm	mm	mm	mm	mm		mm		mm	mm	mm	kg
WGS 14-2	302	237.6	237.6	169	338	265	295	#24-1 M16 D18	390	#18 M16 D17.5	110	59		62
WGS 17-2	346.5	282.55	282.55	193	385	324	365.1	#20 M16 D18	479.4	#20 M16 D17.5	126	66		102
WGS 21-2	398.5	333.5	333.5	235	469	431.8	466.7	#36-1 M20 D22	584.2	#36 M20	136.5	76.2		143
WGS 25-2	467	401.8	401.8	234.6	469	512	565	#36-1 M20 D22	675	#36 M20	133	76.2		202