NUODUN ZBS Series Straight Teeth Planetary Gear Reducer is engineered for high-precision, high-rigidity, and long-life motion-control applications. Built with a straight-tooth planetary gear system, the ZBS series delivers exceptional transmission efficiency, precise positioning, stable torque output, and superior torsional stiffness.

Designed for global industrial environments, the ZBS series supports any mounting orientation, offers customizable motor input flanges, and features lifetime grease lubrication, enabling maintenance-free operation in demanding automation systems. With multiple output shaft configurations and equidirectional rotation, the ZBS reducer is ideal for servo, stepper, and high-precision drive applications.

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Key Features

● For any mounting position

Supports vertical, horizontal, and multi-angle installation.

● Customizable motor input flange

Compatible with a wide range of servo and stepper motors.

● Lifetime lubrication, maintenance-free

High-grade synthetic grease ensures long service life.

● Equidirectional rotation

Input and output shafts rotate in the same direction.

● Multiple output shaft designs

Keyed shaft, smooth shaft and optional customization.

● Precise gearing

Straight tooth planetary structure ensures high transmission accuracy.

● High torsional rigidity

Optimized gear structure provides excellent rigidity for dynamic loads.

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ZBS SERIES Performance Parameters

(Table formatted to match the uploaded catalog. All values follow the original ZBS specification pages.)

Rated Output Torque T2N (Nm)

Model	Stage	Ratio	ZBS060	ZBS090	ZBS115	ZBS142	ZBS190	ZBS240	ZBS280	ZBS330
	1	3	30	90	140	310	650	1050	1650	2400
		4	18	52	80	240	530	900	1350	1960
		5	16	50	80	230	500	880	1300	1880
		7	12	35	50	140	350	600	910	1310
		10	9	25	40	90	240	360	540	780
Stage 2		12	35	100	160	360	740	1200	1850	2600
		16	25	80	130	300	640	1100	1650	2400
		20	20	70	110	260	550	950	1450	2100
		25	20	60	100	230	520	900	1400	2000
		28	15	55	90	210	480	850	1300	1900
		32	15	50	80	190	440	800	1250	1800
		40	10	45	70	170	390	700	1100	1600
		50	10	40	70	150	360	600	1000	1500
		64	10	40	65	130	330	550	900	1350
Stage 3		125	7	20	45	90	180	300	450	750
		160	7	20	45	80	170	280	420	680
		200	7	20	40	75	160	260	400	650
		256	7	20	40	70	150	250	380	620
		512	5	15	30	60	130	220	350	520
		1000	3	10	25	50	100	180	300	450

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Additional Technical Specifications

Item	Unit	Stage	Specification
Emergency stop torque T2Not	Nm	1,2,3	3× T2N
Rated input speed	rpm	1,2,3	3000–4500
Maximum input speed	rpm	1,2,3	6000
Precision backlash P1	arcmin	1	≤3
		2	≤5
		3	≤8
Torsional rigidity	Nm/arcmin	1,2,3	0.9–123.3 (depending on model)
Allowable radial force (Fr1 / Fr2)	N	3–1000	Up to 17000
Allowable axial force (Fa1 / Fa2)	N	3–1000	Up to 17000
Service life	hrs	1,2,3	≥20,000
Efficiency	%	1	≥97%
		2	≥94%
		3	≥91%
Working temperature	°C	1,2,3	-10°C ～ +90°C
Lubrication	–	–	Synthetic grease
Protection grade	–	1,2,3	IP65
Installation direction	–	–	Any direction
Noise level (n=3000rpm, no load)	dB	1,2	≤57–58
		3	≤70–75

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Application

The ZBS Straight Teeth Planetary Gear Reducer is widely used in:

• Automation & Robotics

– Industrial manipulators
– Delta robots
– Collaborative robots (cobots)

• CNC Machinery & Precision Equipment

– CNC milling and cutting systems
– Tool changers
– Laser cutting, engraving machines

• Packaging & Logistics Machinery

– Conveying systems
– Sorting and labeling equipment
– High-speed packaging lines

• Semiconductor & Electronics Manufacturing

– Pick-and-place equipment
– Wafer, PCB handling
– Precision inspection systems

• Medical & Laboratory Automation

– Imaging equipment
– Robotic analysis systems

• New Energy Equipment

– Solar tracking systems
– Battery module assembly