7 Great Benefits of the fb series planetary gearbox for Precision Engineering

Product Overview

The FB Series Planetary Gearbox is engineered for high-performance motion control applications that demand accuracy, durability, and exceptionally smooth operation. Built with advanced helical gear technology, the FB Series delivers ultra-quiet transmission and stable torque output, making it ideal for automation, CNC machinery, semiconductor equipment, and high-speed assembly systems.

Thanks to its planetary gear structure, the FB series offers a compact size, high torque density, and excellent load-carrying capacity — characteristics that make planetary gearboxes a preferred solution in industrial automation.

The use of helical gears ensures quieter and more efficient operation compared to spur gear designs. Their inclined tooth profile significantly reduces noise and vibration, providing smooth performance even at high speeds.

To support demanding loads, the FB precision gearbox features integral ball bearings, enhancing rigidity and increasing torque capacity. Its universal mounting options allow direct compatibility with servo motors and stepper motors from any manufacturer worldwide, a critical advantage in modern automation systems.

With its maintenance-free lubrication, high-viscosity grease formula, and sealed, leak-resistant design, the FB Series provides long service life with minimal downtime. No grease replacement is required throughout its lifetime, ensuring stable long-term performance.

Overall, the FB Series offers a refined balance of precision, durability, and engineering flexibility — making it a top choice for printing machinery, CNC equipment, semiconductor production lines, injection molding systems, packaging automation, and more.

Key Features

Ultra-Quiet Operation
The FB Series planetary gearbox uses high-precision helical gears, significantly reducing vibration and noise during transmission. This ensures smooth and quiet performance, even at high rotational speeds.
High Precision (Backlash < 3 arcmin)
Built for positional accuracy, the FB gearbox provides extremely low backlash, ensuring accurate positioning in robotic arms, CNC axes, semiconductor stages, and similar precision applications.
High Rigidity & High Torque Output
A structural design based on integral ball bearings increases load-bearing capacity and enhances overall gearbox rigidity. This allows for higher torque, improved acceleration handling, and better stability under dynamic loads.
Universal Motor Mounting
With standardized flange interfaces and joint designs, the gearbox can be mounted to any motor brand worldwide — providing full compatibility with servo motors, stepper motors, and custom drive systems.
No Grease Leakage
The FB Series planetary gearbox uses high-viscosity, non-separating grease, effectively preventing leakage and ensuring long-term lubrication stability, even in continuous-duty applications.
Maintenance-Free Lubrication
No grease replacement is required throughout the product’s service life. This reduces maintenance time, lowers operating costs, and guarantees consistent long-term performance.

Specs	Unit	Stage	Ratio	FB040	FB060	FB090	FB120	FB160
Rated Output Torque / T2N	Nm	1	3	16	45	125	245	615
			4	17	50	135	298	650
			5	18	55	150	300	688
			7	15	50	145	245	645
			10	13	45	135	205	498
		1	15	16	45	120	198	615
			20	16	50	135	245	650
			25	18	55	150	300	688
		2	30	14	45	125	245	615
			35	18	55	150	300	688
			40	13	50	135	298	650
			50	17	55	140	265	688
			70	14	45	130	256	645
			100	13	40	115	205	498
Max. Output Torque / Tmax*	Nm	1,2	3–100	3 × T2N	3 × T2N	3 × T2N	3 × T2N	3 × T2N
Rated Input Speed / N1n	rpm	1,2	3–100	3000	3000	3000	3000	2500
Max. Input Speed / N1a	rpm	1,2	3–100	5000	5000	5000	5000	3600
Precision Backlash P1	arcmin	1	3–10	≤3	≤3	≤3	≤3	≤3
		2	12–100	≤5	≤5	≤5	≤5	≤5
Standard Backlash P2	arcmin	1	3–10	≤5	≤5	≤5	≤5	≤5
		2	12–100	≤7	≤7	≤7	≤7	≤7
Torsional Rigidity	Nm/arcmin	1,2	3–100	3	6	12	22	50
Max. Radial Force / Fr2*	N	1,2	3–100	320	460	1300	2300	6520
Max. Axial Force / Fa2*	N	1,2	3–100	160	230	660	1600	3260
Service Life	hr	1,2	3–100	20000 h	20000 h	20000 h	20000 h	20000 h
Efficiency / η	%	1	3–10	≥97%	≥97%	≥97%	≥97%	≥97%
		2	15–100	≥94%	≥94%	≥94%	≥94%	≥94%
Weight	kg	1	3–10	0.73	0.99	2.1	4.98	18.2
		2	15–100	1.05	1.46	3.2	6.92	24.9
Operating Temperature	°C	1,2	3–100	−25°C to +90°C	−25°C to +90°C	−25°C to +90°C	−25°C to +90°C	−25°C to +90°C
Lubrication	–	1,2	3–100	Synthetic Grease	Synthetic Grease	Synthetic Grease	Synthetic Grease	Synthetic Grease
Protection Class	–	1,2	3–100	IP65	IP65	IP65	IP65	IP65
Mounting Position	–	1,2	3–100	Any	Any	Any	Any	Any
Noise Level (n1=3000rpm, No load)	dB(A)	1,2	3–100	≤62	≤63	≤65	≤67	≤68
Moment of Inertia	kg·cm²	1	3	0.03	0.16	0.61	3.25	9.21
			4	0.03	0.14	0.48	2.74	7.54
			5	0.03	0.13	0.47	2.71	7.42
			7	0.03	0.13	0.45	2.65	7.25
			10	0.03	0.13	0.44	2.62	7.14
		2	12–40	0.03	0.13	0.44	2.58	7.07
			50–100	0.03	0.13	0.44	2.57	7.04

FB Series Precision Planetary Gearbox dimension for stage 1

FB Series Precision Planetary Gearbox dimension for stage 2

Applications

The FB Series Planetary Gearbox is suitable for diverse high-precision automation systems and industrial machinery, including:

Printing & Paper Processing Machinery: Ensures stable, smooth motion for cutting, feeding, and alignment.
CNC Machine Tools: Ideal for milling, engraving, drilling, and axis control requiring high rigidity and low backlash.
Military & Aerospace Equipment: Supports precision guidance systems and stable motion control under demanding environments.
Semiconductor Wafer Manufacturing: Provides clean, accurate, low-vibration transmission for wafer handling and robotic positioning.
Coating, Laminating & Film Processing Equipment: Ensures consistent speed and low noise for delicate tension and feed control.
High-Speed Electronic Assembly Line: Improves reliability and speed in SMT assembly, pick-and-place machines, and conveyor systems.
Injection Molding & Packaging Machines: Stable performance for repeatable mold opening/closing, feeding, and positioning.
CNC Plasma & Flame Cutting Equipment: Delivers precise motion control for smooth and accurate cutting paths.
Automated Packaging Machinery: Enhances accuracy and durability for form-fill-seal, labeling, and cartoning systems.
Printing Machinery: Delivers consistent rotational accuracy for high-quality printing tasks.

Contact Us

Looking for custom ratios, flange interfaces, or motor-matching support? Our engineering team offers free selection guidance and tailored configuration services. As a planetary gearbox manufacturer and supplier, we provide compact, high-torque solutions with excellent positioning accuracy and long service life.

👉 Contact us today for technical support or a custom solution.

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Product Overview

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