DESBOER NLGD-C-Ⅰ Series Strain Wave Gearbox

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Model:14\17\20\25\32\40
Ratio:50 - 160
Backlash: ≤20arcsec
Nominal Output Torque: 3.7-206 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-C-I Type Strain Wave Gearbox

MODEL	U	T	W
Wave generator-A Ø6	Ø6H7	7+0.10	2P9/JS9
Wave generator-A Ø8	Ø8H7	9.4+0.10	3P9/JS9
Wave generator-A Ø11	Ø11H7	12.8+0.10	4P9/JS9
Wave generator-A Ø11	Ø11H7

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
NCGD-14	50	3.7	12	4.8	23	8500	3500	6.2	±20	9000
	80	5.4	16	7.7	35			5.0	±20	10000
	100	5.4	19	7.7	35			4.8	±20	10000

NLGD-17-00-C-I Type Strain Wave Gearbox

MODEL	U	T	W
Wave generator-A Ø8	Ø8H7	9.4+0.10	3P9/JS9
Wave generator-A Ø11	Ø11H7	12.8+0.10	4P9/JS9
Wave generator-A Ø15	Ø15H7

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	19	±20	9000
	80	15	29	19	61			16	±20	10000
	100	16	37	27	71			17	±20	10000
	120	16	37	27	71			13	±20	10000

NLGD-20-00-C-I Type Strain Wave Gearbox

MODEL	U	T	W
Wave generator-A Ø8	Ø8H7	9.4+0.10	3P9/JS9
Wave generator-A Ø11	Ø11H7	12.8+0.10	4P9/JS9
Wave generator-A Ø14	Ø14H7	16.3+0.10	5P9/JS9
Wave generator-A Ø20	Ø20H7

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	25	ぜひ20	9000
	80	24	51	33	89			23	ぜひ20	10000
	100	28	57	34	95			22	ぜひ20	10000
	120	28	60	34	95			22	ぜひ20	10000
	160	28	64	34	95			22	ぜひ20	10000

NLGD-25-00-C-I 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	39	♂20	9000
	80	44	96	60	179			36	♂20	10000
	100	47	110	75	184			34	♂20	10000
	120	47	117	75	204			34	♂20	10000
	160	47	123	75	204			33	♂20	10000

NLGD-32-00-C-I 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	60	ぜひ20	9000
	80	83	213	117	398			55	ぜひ20	10000
	100	96	233	151	420			50	ぜひ20	10000
	120	96	247	151	445			48	ぜひ20	10000
	160	96	261	151	445			47	ぜひ20	10000

NLGD-40-00-C-I 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-40	50	96	281	137	480	4000	3000	95	ぜひ20	9000
	80	144	364	198	686			83	ぜひ20	10000
	100	185	398	260	700			78	ぜひ20	10000
	120	205	432	315	765			77	ぜひ20	10000
	160	206	453	316	765			74	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-III Series Strain Wave Gearbox

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

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

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