DESBOERN NLGD-U-III Series Strain Wave Gearbox

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Model:14\17\20\25\32
Ratio:50 - 160
Backlash: ≤20arcsec
Nominal Output Torque: 3.7-96 Nm

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Category :

NLGD Series

Description

Ordering Instructions

① Model Name	② Specification Code	③ Reduction Ratio						④ Structure Code	⑤ Generator Type	⑥ Custom Specification
NLGS NCGS NCGD NLGD NLGST	11		50		100			C U	I II III IV V	E001
	14	30	50	80	100
	17	30	50	80	100	120
	20		50	80	100	120	160
	25		50	80	100	120	160
	32		50	80	100	120	160
	40		50	80	100	120	160

(1)Production Location:N is the factory codeFlexspline
Shape:Flexsplines are divided into L top hat type and C cup
typeFlexspline Length:Flexsplines are divided into S standard type and D
short tube typeHigh Torque Design:G for high torque design,blank for
standard typeSpecial Structure:T for three-wave generator structure
Gearbox

(2)Specification Codes of Strain Wave Gearboxes:Such as 14,17,20,25,32,40,etc.

(3)Reduction Ratios of Strain Wave Gearboxes:Such as 30,50,80,100,120,160,etc.

(4)Structure Code

(5)Wave Generator Type:C for component type,U for combined type

(6)E001 is the project code for customized Strain Wave Gearboxes

Key Features

High precision:multiple teeth mesh at the same time in two 180
degree symmetripositions,so the gear pitch error and cumulative pitch
error have a relatively averaimpact on the rotation accuracy,and can
obtain very high position accuracy and rottion accuracy.

Large transmission ratio:the transmission ratio of single-stage
strain wave getransmission can reach i=30-500,and the structure is
simple.Three basic parts ontsame axis can achieve high speed ratio.

High bearing capacity:in the fast wave transmission,the meshing of
teeth and teis surface contact,plus the number of meshing teeth at the
same time is relatively larso the unit area load is small,and the
bearing capacity is higher than other transmsion forms.

Small size and light weight:compared with the ordinary gear
device,the volume aweight can be greatly reduced to achieve
miniaturization and lightweight.

High transmission efficiency and long service life.

Smooth transmission,no impact,and low noise.

Gearbox Technical Specifications

NLGD-14-00-U-III Type Strain Wave Gearbox

Model Item	Gear Ratio	Rated Speed at 2000 r/min Input	Max. Allowable Torque during Start/Stop	Max. Allowable Average Load Torque	Max. Momentary Allowable Torque	Max. Allowable Input Speed	Allowable Average Input Speed	Starting Torque	Backlash	Service Life	Weight
Model Item	Gear Ratio	Nm	Nm	Nm	Nm	rpm	rpm	cNm	arcsec	Hour	Kg
NLGD–14	50	3.7	12	4.8	23	8500	3500	11	♂20	9000	0.49
	80	5.4	16	7.7	35			9.0	♂20	10000
	100	5.4	19	7.7	35			8.7	♂20	10000

NLGD-17-00-U-III Type Strain Wave Gearbox

Model Item	Gear Ratio	Rated Speed at 2000 r/min Input	Max. Allowable Torque during Start/Stop	Max. Allowable Average Load Torque	Max. Momentary Allowable Torque	Max. Allowable Input Speed	Allowable Average Input Speed	Starting Torque	Backlash	Service Life	Weight
Model Item	Gear Ratio	Nm	Nm	Nm	Nm	rpm	rpm	cNm	arcsec	Hour	Kg
NLGD-17	50	11	23	18	48	7300	3500	39	ぜひ20	9000	0.66
	80	15	29	19	61			34	ぜひ20	10000
	100	16	37	27	71			37	ぜひ20	10000
	120	16	37	27	71			34	ぜひ20	10000

NLGD-20-00-U-III Type Strain Wave Gearbox

Model Item	Gear Ratio	Rated Speed at 2000 r/min Input	Max. Allowable Torque during Start/Stop	Max. Allowable Average Load Torque	Max. Momentary Allowable Torque	Max. Allowable Input Speed	Allowable Average Input Speed	Starting Torque	Backlash	Service Life	Weight
Model Item	Gear Ratio	Nm	Nm	Nm	Nm	rpm	rpm	cNm	arcsec	Hour	Kg
NLGD-20	50	17	39	24	69	6500	3500	53	♂20	9000	0.84
	80	24	51	33	89			44	♂20	10000
	100	28	57	34	95			49	♂20	10000
	120	28	60	34	95			49	♂20	10000
	160	28	64	34	95			48	♂20	10000

NLGD-25-00-U-III Type Strain Wave Gearbox

Model Item	Gear Ratio	Rated Speed at 2000 r/min Input	Max. Allowable Torque during Start/Stop	Max. Allowable Average Load Torque	Max. Momentary Allowable Torque	Max. Allowable Input Speed	Allowable Average Input Speed	Starting Torque	Backlash	Service Life	Weight
Model Item	Gear Ratio	Nm	Nm	Nm	Nm	rpm	rpm	cNm	arcsec	Hour	Kg
NLGD–25	50	27	69	38	127	5600	3500	79	⁡20	9000	1.4
	80	44	96	60	179			66	⁡20	10000
	100	47	110	75	184			73	⁡20	10000
	120	47	117	75	204			73	⁡20	10000
	160	47	123	75	204			72	⁡20	10000

NLGD-32-00-U-III Type Strain Wave Gearbox

Model Item	Gear Ratio	Rated Speed at 2000 r /min Input	Max. Allowable Torque during Start/Stop	Max. Allowable Average Load Torque	Max. Momentary Allowable Torque	Max. Allowable Input Speed	Allowable Average input Speed	Starting Torque	Backlash	Service Life	Weight
Model Item	Gear Ratio	Nm	Nm	Nm	Nm	rpm	rpm	cNm	arcsec	Hour	Kg
NLGD-32	50	53	151	75	268	4800	3500	114	ぜひ20	9000	2.7
	80	83	213	117	398			108	ぜひ20	10000
	100	96	233	151	420			101	ぜひ20	10000
	120	96	247	151	445			99	ぜひ20	10000
	160	96	261	151	445			97	ぜひ20	10000

Installation Methods

Method1

(1).Fix the gearbox to the output flange,and fix the input flange to the circular spline.

(2).Fill the wave generator,gearbox cavity,and motor flange cavity with specified grease.

(3).Fix the motor and flange,adding a sealing ring if necessary.

(4).Securely fasten the wave generator to the motor shaft end(note
wave generator orientation),fixing with screws and flatwashers.

(5).Slowly rotate the wave generator and insert it into the gearbox,then connect the gearbox to the motor flange.

Note:

(1).Please manufactue the flange according to the installation precision requirements on page P24.

(2).It is recommended to use 12.9 high-strength screws with thread locking adhesive for tightening.

(3).After installing the wave generator into the gearbox,it is
recommended to run the motor at low speed(100r/min)for aperiod before
tightening the screws.

(4).Design the flange cavity dimensions according to page P24 and fill with specified grease.

(5).Refe to the screw tightening torque table on page P22 for tightening torque.

Method2

(1).Connect the gearbox and motor via the flange.

(2).Fill the gearbox cavity and flange cavity with grease.

(3).After applying grease to the wave generator,fix it to the motor
shaft end(note wave generator orientation)with screwsand flat washers.

(4).After filling the output flange cavity with grease,connect and fix it to the circular spline of the gearbox.

Note:

(1).Please manufacture the flange according to theinstallaton precision requirements on page P24.

(2).It is recommended to use 12.9 high-strength screws with thread locking adhesive for tightening.

(3).After installing the wave generator into the gearbox,it is
recommended to run the motor at low speed(100r/min)for aperiod before
tightening the screws.

(4).Design the flange cavity dimensions according to page P24 and fill with specified grease.

(5).Refer to the screw tightening torque table on page P22 for tightening torque.

Related Products

DESBOERN NLGD-U-I Series Strain Wave Gearbox

Model:14\17\20\25\32\40 Ratio:50 - 160 Backlash: ≤20arcsec Nominal Output Torque: 3.7-206 Nm

DESBOER NLGD-C-Ⅰ Series Strain Wave Gearbox

Model:14\17\20\25\32\40 Ratio:50 - 160 Backlash: ≤20arcsec Nominal Output Torque: 3.7-206 Nm

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