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Planetary Gear Reducer

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PNF/PNE Series

Low Backlash High Output Torque, High Efficiency Hardened Teeth

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Specifications

Series Models

Naming Rules

Dimension Description

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This series of planetary gear reducers utilizes high-precision hardened gears, featuring low backlash, high output torque, high efficiency, and hardened tooth surfaces. They are compatible with servo motors and stepper motors, making them suitable for various control applications. Multiple connection configurations are also provided to facilitate customer selection.

The PNF series features square flange output, while the PNE series features round flange output.

Technical Parameters	Unit	Reduction Ratio		PNF40/PNE40	PNF60/PNE60	PNF80/PNE80	PNF120/PNE120	PNF160/PNE160
Rated Output Torque	N·m	Single-stage	3	4.5	12	40	80	400
			4	6	16	50	100	450
			5	6	16	50	110	450
			8	5	15	45	120	450
			10	5	15	45	120	305
		Two-stage	9	16.5	44	110	210	--
			12	18	44	120	260	800
			15	18	40	110	230	700
			16	20	44	120	260	800
			20	20	44	120	260	800
			25	18	40	110	230	700
			32	20	44	120	260	800
			40	18	40	110	230	700
			64	7.5	18	50	120	450
		Three-stage	60	20	44	120	260	--
			80	20	44	120	260	--
			100	20	44	120	260	--
			120	18	40	110	230	--
			160	20	44	120	260	--
			200	18	40	110	230	--
			256	20	44	120	260	--
			320	18	40	110	230	--
			512	7.5	18	50	120	--
Input Moment of Inertia	Kg·cm²	Single-stage	2 × Rated Output Torque
			3	0.031	0.135	0.77	2.63	12.14
			4	0.022	0.093	0.52	1.79	7.78
			5	0.019	0.078	0.45	1.53	6.07
			8	0.017	0.065	0.39	1.32	4.63
			10	0.015	0.054	0.34	1.14	3.52
		Two-stage	9	0.03	0.131	0.74	2.56	--
			12	0.029	0.127	0.72	2.53	12.37
			15	0.023	0.077	0.71	1.75	12.35
			16	0.022	0.088	0.5	1.5	7.47
			20	0.019	0.075	0.44	1.49	6.65
			25	0.019	0.075	0.44	1.3	5.81
			32	0.017	0.064	0.39	1.3	4.5
			40	0.016	0.064	0.39	1.3	4.5
			64	0.016	0.064	0.39	1.3	4.5
		Three-stage	60	0.029	0.13	0.7	2.57	--
			80	0.019	0.075	0.5	1.5	--
			100	0.019	0.075	0.44	1.49	--
			120	0.029	0.13	0.7	2.5	--
			160	0.016	0.064	0.39	1.3	--
			200	0.016	0.064	0.39	1.3	--
			256	0.016	0.064	0.39	1.3	--
			320	0.016	0.064	0.39	1.3	--
			512	0.016	0.064	0.39	1.3	--
Technical Parameters	Unit	Stage		PNF40/PNE40	PNF60/PNE60	PNF80/PNE80	PNF120/PNE120	PNF160/PNE160
Torsional Stiffness	N·m/arcmin			0.7	1.8	4.5	12	38
Backlash (No-load)	arcmin	Single-stage		<10	<8	<8	<8	<8
		Two-stage		<12	<10	<10	<10	<10
		Three-stage		<15	<12	<12	<12	<12
Max. Radial Force	N	--		160	340	650	1500	4200
Max. Axial Force	N	--		160	450	900	2100	6000
Noise (No-load)	dB(A)	--		55	58	60	65	70
Rated Input Speed	rpm	--		4500	4000	4000	4000	4000
Full-load Efficiency	%	Single-stage		96
		Two-stage		94
		Three-stage		90
Weight	Kg	Single-stage		0.4	0.9	2.1	6	18
		Two-stage		0.5	1.1	2.6	8	22
		Three-stage		0.6	1.3	3.1	9.5	--

Dimension Code	Dimension Name	PNF40			PNF60			PNF80			PNF120			PNF160
		Single-stage	Double-stage	Three-stage	Single-stage	Double-stage	Three-stage	Single-stage	Double-stage	Three-stage	Single-stage	Double-stage	Three-stage	Single-stage	Double-stage
D1	Output Shaft Diameter	10h7			14h7			20h7			25h7			40h7
D2	Spigot Diameter	26h7			50h7			80h7			110h7			130h7
D3	Center Line Diameter of Mounting Holes	50			70			100			130			185
D4	Mounting Hole Diameter	3.5			5.5			6.5			8.5			11
L	Body Length (Excl. Flange)	39	52	64	46.5	59.5	72	60	78	95.5	73.7	102	129	104	154

L1	Output Shaft Extension Length	26			35			40			55			87
L2	Distance from Key to Shaft End	2.5			2.5			4			5			5
L3	Key Length	16			25			28			40			70
L4	Spigot Height	2			3			3			4			5
L5	Output Shaft Shoulder Height	2			4.5			4			5			5
L6	Mounting Face Thickness	6			8			10			15			15
B	End Cap Width	45			60			90			120			175
B1	Shaft Height with Key	11.2			16			22.5			28			43
B2	Key Width	3			5			6			8			12
G2	Center Threaded Hole	M3*9			M5*12			M6*16			M10*22			M12*25
L7	Flange Thickness (Data varies for special flanges)	24.3			31.5			43.5			63			25


Dimension Requirements for Flange Connection	Allowable Motor Input Shaft Diameter	≤8			≤14			≤19			≤22			≤35
	Allowable Motor Shaft Length (Incl. Spigot Height)	25			31			41			58			82
	Allowable Motor Spigot Size	≥22			≥38			≥70			≥90			≥90
	Allowable Motor Outline Dimensions	≤42*42			≤62*62			≤92*92			≤115*115			≤150*150

Dimension Code	Dimension Name	PNE40			PNE60			PNE80			PNE120			PNE160
		Single-stage	Double-stage	Three-stage	Single-stage	Double-stage	Three-stage	Single-stage	Double-stage	Three-stage	Single-stage	Double-stage	Three-stage	Single-stage	Double-stage
D1	Output Shaft Diameter	10h7			14h7			20h7			25h7			40h7
D2	Spigot Diameter	26h7			40h7			60h7			80h7			130h7
D3	Center Line Diameter of Mounting Holes	34			52			70			100			145
D4	Mounting Threaded Hole	M4*6			M5*8			M6*10			M10*16			M12*20
D5	Body Diameter	40			60			80			115			160
L	Body Length	39	52	64	46.5	59.5	72	60	78	95.5	73.7	102	129	104	154
	(Excl. Flange)
L1	Output Shaft Extension Length	26			35			40			55			87
L2	Distance from Key to Shaft End	2.5			2.5			4			5			5
L3	Key Length	16			25			28			40			70
L4	Spigot Height	2			3			3			4			5
L5	Output Shaft Shoulder Height	2			4.5			4			5			5
B1	Shaft Height with Key	11.2			16			22.5			28			43
B2	Key Width	3			5			6			8			12
B3	Input Flange Width	40			60			80			130			175
G2	Center Threaded Hole	M3*9			M5*12			M6*16			M10*22			M12*25
L7	Flange Thickness (Data varies for special flanges)	24.3			31.5			43.5			63			25


Dimension Requirements for Flange Connection	Allowable Motor Input Shaft Diameter	≤8			≤14			≤19			≤22			≤35
	Allowable Motor Shaft Length (Incl. Spigot Height)	25			31			41			58			82
	Allowable Motor Spigot Size	≥22			≥38			≥70			≥90			≥90
	Allowable Motor Outline Dimensions	≤42*42			≤62*62			≤92*92			≤115*115			≤150*150

Model	English	Chinese Materials	Update Date
PN Series Reducer Manual	--		2019-06-09