DESBOER NCGS-U-ⅠSeries Strain Wave Gearbox

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Model:14\17\20\25\32\40
Ratio:50 - 160
Backlash: ≤20arcsec
Nominal Output Torque: 7-382 Nm

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Category :

NCGS 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

NCGS-14-00-U-I Type Strain Wave Gearbox

MODEL	U	T	W
Wave generator-A/B Ø5	Ø5H7	6+0.10	2JS9/P9
Wave generator-A/B Ø6	Ø6H7	7+0.10	2JS9/P9
Wave generator-A/B Ø8	Ø8H7	9.4+0.10	3JS9/P9

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
NCGS–14	50	7.0	23	9	46	8500	3500	4.5	♂20	10000	0.51
	80	10	30	14	58			3.1	♂20	15000
	100	10	36	14	58			2.8	♂20	15000

NCGS-17-00-U-I Type Strain Wave Gearbox

MODEL	U	T	W
Wave generator-A Φ8	Φ8H7	9.4+0.10	3JS9/P9
Wave generator-B Φ11	Φ11H7	12.8+0.10	4JS9/P9
Wave generator-B Φ14	Φ14H7	16.3+0.10	5JS9/P9

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
NCGS-17	50	21	44	34	91	7300	3500	6.7	±20	10000	0.67
	80	29	56	35	109			4.4	±20	15000
	100	31	70	51	109			3.7	±20	15000
	120	31	70	51	109			3.4	±20	15000

NCGS-20-00-U-I Type Strain Wave Gearbox

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

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
NCGS-20	50	33	73	44	127	6500	3500	8.6	⁡20	10000	0.96
	80	44	96	61	165			5.4	⁡20	15000
	100	52	107	64	191			4.7	⁡20	15000
	120	52	113	64	191			4.2	⁡20	15000
	160	52	120	64	191			3.6	⁡20	15000

NCGS-25-00-U-I Type Strain Wave Gearbox

MODEL	U	T	W
Wave generator-A Ø11	Ø11H7	12.8+0.10	4JS9/P9
Wave generator-A Ø14	Ø14H7	16.3+0.10	5JS9/P9

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
NCGS-25	50	51	127	72	242	5600	3500	17	ぜひ20	10000	1.46
	80	82	178	113	332			10	ぜひ20	15000
	100	87	204	140	369			8.8	ぜひ20	15000
	120	87	217	140	395			8.0	ぜひ20	15000
	160	87	229	140	408			6.9	ぜひ20	15000

NCGS-32-00-U-I Type Strain Wave Gearbox

MODEL	U	T	W
Wave generator-A Ø14	Ø14H7	16.3+0.10	5JS9/P9
Wave generator-A Ø19	Ø19H7	21.8+0.10	6JS9/P9
Wave generator-A Ø22	Ø22H7	24.8+0.10	6JS9/P9
Wave generator-A Ø22	Ø22H7	25.3+0.10	8JS9/P9

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
NCGS-32	50	99	281	140	497	4800	3500	34	±20	10000	3.11
	80	153	395	217	738			21	±20	15000
	100	178	433	281	841			20	±20	15000
	120	178	459	281	842			17	±20	15000
	160	178	484	281	842			15	±20	15000

NCGS-40-00-U-I Type Strain Wave Gearbox

MODEL	U	T	W
Wave generator-A Ø14	Ø14H7	16.3+0.10	5JS9/P9
Wave generator-A Ø19	Ø19H7	21.8+0.10	6JS9/P9
Wave generator-A Ø22	Ø22H7	24.8+0.10	6JS9/P9
Wave generator-A Ø22	Ø22H7	25.3+0.10	8JS9/P9

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
NCGS-40	50	178	523	255	892	4000	3000	61	ぜひ20	10000	4.6
	80	268	675	369	1270			39	ぜひ20	15000
	100	345	738	484	1400			34	ぜひ20	15000
	120	382	802	586	1510			31	ぜひ20	15000
	160	382	841	586	1510			26	ぜひ20	15000

Installation Methods

Apply grease to the wave generator,gearbox inner cavity,and connecting flange cavity.

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

Securely fasten the wave generatorto the motor shaftend(note wave generator orientation),fixing with screws and flatwashers.

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

Note:

(1).Please manufacture the flange according to the installation precision requirements on page P23.

(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 P23 and fill with specified grease.

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

Related Products

DESBOER NCGS-U-II Series Strain Wave Gearbox

Model:14\17\20\25\32\40 Ratio:50 - 160 Backlash: ≤20arcsec Nominal Output Torque: 7-382 Nm

DESBOER NCGS-C-II Series Strain Wave Gearbox

Model:14\17\20\25\32\40 Ratio:50 - 160 Backlash: ≤20arcsec Nominal Output Torque: 7-382 Nm

DESBOER NCGS-C-ⅠSeries Strain Wave Gearbox

Model:14\17\20\25\32\40 Ratio:50 - 160 Backlash: ≤20arcsec Nominal Output Torque: 7-382 Nm

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