DESBOER NCGS-C-II Series 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 symmetric positions,so the gear pitch error and cumulative pitch error have a relatively average impact on the rotation accuracy,and can obtain very high position accuracy and rotation accuracy.

Large transmission ratio:the transmission ratio of single-stage strain wave gear transmission can reach i=30-500,and the structure is simple.Three basic parts on the same 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 large,so the unit area load is small,and the bearing capacity is higher than other transmmssion forms.

Small size and light weight:compared with the ordinary gear device,the volume and weight 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-C-II Type Strain Wave Gearbox

ModelItem	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
ModelItem	Gear Ratio	Nm	Nm	Nm	Nm	rpm	rpm	cNm	arcsec	Hour	Kg
NCGS-14	50	7.0	23	9	46	8500	3500	3.6	≤20	10000	0.09
	80	10	30	14	61			2.6	≤20	15000
	100	10	36	14	70			2.3	≤20	15000

NCGS-17-00-C-II Type Strain Wave Gearbox

ModelItem	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
ModelItem	Gear Ratio	Nm	Nm	Nm	Nm	rpm	rpm	cNm	arcsec	Hour	Kg
NCGS-17	50	21	44	34	91	7300	3500	5.6	≤20	10000	0.15
	80	29	56	35	113			3.6	≤20	15000
	100	31	70	51	143			3.2	≤20	15000
	120	31	70	51	112			3.0	≤20	15000

NCGS-20-00-C-II Type Strain Wave Gearbox

ModelItem	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
ModelItem	Gear Ratio	Nm	Nm	Nm	Nm	rpm	rpm	cNm	arcsec	Hour	Kg
NCGS-20	50	33	73	44	127	6500	3500	7.3	≤20	10000	0.28
	80	44	96	61	165			4.5	≤20	15000
	100	52	107	64	191			4.1	≤20	15000
	120	52	113	64	191			3.6	≤20	15000
	160	52	120	64	191			3.2	≤20	15000

NCGS-25-00-C-II Type Strain Wave Gearbox

ModelItem	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
ModelItem	Gear Ratio	Nm	Nm	Nm	Nm	rpm	rpm	cNm	arcsec	Hour	Kg
NCGS-25	50	51	127	72	242	5600	3500	13	≤20	10000	0.42
	80	82	178	113	332			8.5	≤20	15000
	100	87	204	140	369			7.6	≤20	15000
	120	87	217	140	395			6.9	≤20	15000
	160	87	229	140	408			6.1	≤20	15000

NCGS-32-00-C-II Type Strain Wave Gearbox

ModelItem	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
ModelItem	Gear Ratio	Nm	Nm	Nm	Nm	rpm	rpm	cNm	arcsec	Hour	Kg
NCGS-32	50	99	281	140	497	4800	3500	29	≤20	10000	0.89
	80	153	395	217	738			18	≤20	15000
	100	178	433	281	841			17	≤20	15000
	120	178	459	281	892			14	≤20	15000
	160	178	484	281	892			13	≤20	15000

NCGS-40-00-C-II Type Strain Wave Gearbox

ModelItem	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
ModelItem	Gear Ratio	Nm	Nm	Nm	Nm	rpm	rpm	cNm	arcsec	Hour	Kg
NCGS-40	50	178	523	255	892	4000	3000	51	≤20	10000	1.7
	80	268	675	369	1270			32	≤20	15000
	100	345	738	484	1400			29	≤20	15000
	120	382	802	586	1530			26	≤20	15000
	160	382	841	586	1530			23	≤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 generator to the motor shaftend(note wave generator orientation),fixing with screws and flat washers.

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 a period 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 for 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-U-ⅠSeries 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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