SUNUS TECH CO., LTD.

DG speed reducer

較一般輸出軸型減速機長度短，適用於有限空間設計。

背隙可達到<1 arcmin。

Features

High positioning accuracy

Precision gear grinding results in smooth tooth surfaces and accurate tooth profiles.
Back clearance can reach <1 arcmin

Space-saving design

It is shorter than a typical output shaft type reducer, making it suitable for designs with limited space.

Easy to install

The reducer connecting plate and input shaft hole dimensions are flexibly designed to be compatible with servo motors from various brands.

Maintenance-free

Made of high-grade nickel-chromium-molybdenum alloy steel, the gears undergo deep carburizing and hardening treatment, followed by precision tooth surface grinding, resulting in high gear rigidity, smooth tooth surface, and excellent wear resistance, thus extending their service life.
It uses high-quality German-made synthetic lubricating oil, which has excellent fluidity and is rich in extreme pressure inhibitors. All parts in the gearbox are fully lubricated and protected, eliminating the need to change the lubricating oil.
It uses a specially made high-quality, heat-resistant, wear-resistant and non-deteriorating oil seal, which ensures excellent sealing performance.

Product Specifications

DG Technical Data (Single Section)

Specification		Reduction ratio	DG164	DG290	DG310	DG440	DG500	DG655	DG785
Maximum acceleration torque (1) T2B	Nm	★4 / 5	58	145	360	710	1700	3600	6100
		7	55	125	335	650	1650	3350	5050
		10	36	100	260	500	1300	2000	3500
Emergency stop torque (2) T2Not	Nm	★4 / 5	115	310	700	1260	3250	8800	15000
		7	105	270	625	1150	2800	8300	13650
		10	100	220	500	900	2300	5000	10500
Rated output torque T2N	Nm	★4 / 5	30	80	190	375	800	2250	3300
		7	28	75	175	340	750	1830	2820
		10	18	60	125	265	700	1050	1750
Reduction ratio		single segment	4 / 5 / 7 / 10
Rated input speed n1N	rpm	4/5	3300	3000	2300	2000	1500	1200	1000
Rated input speed n1N	rpm	7/10	4000	3200	2600	2500	2200	1700	1500
Maximum input speed n1Max	rpm	4~10	6000	6000	4500	4000	3500	2500	2200
Axial load force (3) Famax	N	4~10	1650	2200	4200	6150	10000	33000	50000
Precision back gap	arcmin	4~10	≦ 2	≦ 1	≦ 1	≦ 1	≦ 1	≦ 2	≦ 2
Standard back clearance	arcmin	4~10	≦ 4	≦ 3	≦ 3	≦ 3	≦ 3	≦ 3	≦ 3
Torsional stiffness	Nm/arcmin	4~10	12	32	83	155	580	950	1380
Efficiency under full load	%	4~10	≥ 97
Service life LH2	h	4~10	20000
weight	kg	4~10	1.6	4.0	7.0	14.5	31	62	83.5
Noise level (4)	dB		≤ 60	≦ 62	≦ 65		≦ 66	≦ 68
Operating temperature range	°C		-10°C ~ +90°C
Protection level			IP 64
lubricating oil			Synthetic lubricant ISO VG 220
Moment of inertia	kg‧cm2	4	0.32	0.65	4.40	9.10	30.45	-	-
		5	0.31	0.63	4.33	8.90	28.85	52.92	108.05
		7	0.29	0.62	4.25	8.52	28.15	40.06	100.20
		10	0.28	0.60	4.23	8.45	27.77	39.52	97.80

Note (1) This table applies to a starting frequency of 1000 times/hour or less. If the frequency exceeds this, please consult our company.
Note (2) It can be used 1000 times within the service life.
Note (3) The output speed of 100 rpm is applied to the center of the output shaft.
Note (4) Noise level is measured at 5 ratio / input speed 3000rpm / distance 1 meter / no load operation.
Continuous operation will reduce the lifespan of the speed reducer by half.
If the required reduction ratio is not listed in the table, please contact our company for consultation.

DG Technical Data (Two-Segment)

Specification		Reduction ratio	DG164	DG290	DG310	DG440	DG500	DG655	DG785
Maximum acceleration torque (1) T2B	Nm	★16 / 20 / 25 / 28 / 35 / 40 / 50	58	145	360	760	1650	3600	6100
		twenty one	42	102	310	610	1400	3450	5050
		31	42	115	300	630	1600	3600	6000
		61	46	115	285	560	1400	2850	4820
		70	55	130	335	700	1500	3350	5050
		91	33	85	255	510	1310	2800	4810
		100	36	100	260	550	1410	2800	4810
Emergency stop torque (2) T2Not	Nm	★16 / 20 / 25 / 28 / 35 / 40 / 50	115	310	700	1260	3250	8500	14500
		twenty one	105	260	610	1050	2800	8300	12100
		31	105	260	610	1100	2800	8500	14000
		61	105	240	570	930	2700	7300	10500
		70	105	270	625	1100	2750	8300	13650
		91	100	220	490	850	2200	5000	10500
		100	100	220	500	900	2300	5000	10500
Rated output torque T2N	Nm	★16 / 20 / 25 / 28 / 35 / 40 / 50	40	92	215	410	1080	2450	3800
		twenty one	30	82	175	360	860	2150	3300
		31	30	72	180	370	1250	2250	3720
		61	32	72	175	370	1120	1620	2910
		70	28	88	180	405	900	1830	2820
		91	16	40	110	230	710	1600	2910
		100	18	60	125	265	800	1600	2910
Reduction ratio		Two-stage	16 / 20 / 21 / 25 / 28 / 31 / 35 / 40 / 50 / 61 / 70 / 91 / 100
Rated input speed n1N	rpm	16~40	4000	3500	2800	3000	2500	2000	1500
		50~61	5000	4000	3000	3200	3000	2400	2000
		70~100	5500	4500	3500	3800	3300	2500	2200
Maximum input speed n1Max	rpm	16~100	6000	6000	5000	5000	4000	3500	3500
Axial load force (3) Famax	N	16~100	1650	2200	4200	6150	10000	33000	50000
Precision back gap	arcmin	16~100	≦ 2	≦ 1	≦ 1	≦ 1	≦ 1	≦ 2	≦ 2
Standard back clearance	arcmin	16~100	≦ 4	≦ 3	≦ 3	≦ 3	≦ 3	≦ 3	≦ 3
Torsional stiffness	Nm/arcmin	16~100	12	32	83	155	565	900	1380
Efficiency under full load	%	16~100	≥ 94
Service life LH2	h	16~100	20000
weight	kg	16~100	1.7	4.2	7.2	15	35	60	80
Noise level (4)	dB		≤ 60	≦ 62	≦ 65		≦ 66	≦ 68
Operating temperature range	°C		-10°C ~ +90°C
Protection level			IP 64
lubricating oil			Synthetic lubricant ISO VG 220
Moment of inertia	kg‧cm2	16	0.19	0.31	0.63	4.35	9.30	-	-
		20	0.16	0.30	0.61	4.28	9.10	29.00	30.05
		twenty one	0.17	0.31	0.62	4.30	9.05	29.10	30.08
		25	0.16	0.30	0.61	4.28	9.10	29.00	30.10
		28	0.20	0.28	0.60	4.10	8.75	-	-
		31	0.18	0.32	0.63	4.30	9.12	29.05	29.00
		35	0.15	0.28	0.60	4.10	8.75	28.30	28.48
		40	0.12	0.27	0.58	4.05	8.60	-	-
		50	0.12	0.27	0.58	4.05	8.60	27.95	28.07
		61	0.13	0.28	0.59	4.10	8.70	28.05	28.07
		70	0.12	0.26	0.57	4.05	8.60	27.95	28.07
		91	0.11	0.27	0.58	4.08	8.65	27.90	28.05
		100	0.10	0.25	0.57	4.05	8.55	27.85	28.05

Note (1) This table applies to a starting frequency of 1000 times/hour or less. If the frequency exceeds this, please consult our company.
Note (2) It can be used 1000 times within the service life.
Note (3) The output speed of 100 rpm is applied to the center of the output shaft.
Note (4) Noise level is measured at 5 ratio / input speed 3000rpm / distance 1 meter / no load operation.
Continuous operation will reduce the lifespan of the speed reducer by half.
If the required reduction ratio is not listed in the table, please consult our company.

External dimensions

DG exterior dimensions (single segment 4/5/7/10 ratio) [mm]

Specification	DG164	DG290	DG310	DG440	DG500	DG655	DG785
※□W1 min.	70	95	120	152	210	190	240
øD1	86	118	145	179	247	300	330
øD2 (h7)	64	90	110	140	200	255	285
øD3 (h7)	40	63	80	100	160	180	200
øD4 (h7)	20	31.5	40	50	80	100	100
øD5	70	95	120.5	152.5	212.5	255	285
øD6 (F7) max.	14	19/24	32	38	48	55	60
øD7	4.5	5.5	5.5	6.6	9	13.5	13.5
øD8	79	109	135	168	233	280	310
D9	M5*P0.8	M6*P1	M6*P1	M8*P1.25	M10*P1.5	M16*P2	M20*P2.5
øD10	31.5	50	63	80	125	140	160
※L1	82	109	133.75	140.2	180	229	248.5
L2	19.5	30	29	38	50	66	75
L3	4	7	8	10	12	18	20
L4	40	51	71.25	69.2	84	81.5	123.5
L5	4	7	7	7.5	8.5	13.5	16.5
L6	8	10	10	18	twenty three	28	35
L7	7	8	9	14	15	20	twenty one
L8	8	12	12	12	16	20	20
L9	9	15	30.5	29.2	37.5	44.5	47
L10	18	22.5	22.5	25.8	45	40	39
L11	7	10	12	15	20	25	30
※L12	22.5	28	33.5	33	46	47	50
※L13	31.5	43	64	62.2	83.5	91.5	97

*The dimensions indicated by this symbol may vary depending on the servo motor being connected.
Our company continuously researches and develops its products. The dimensions shown in the table above are intended to be accurate; however, in case of discrepancies, the actual product shall prevail. For precise dimensions, please contact our company.

DG exterior dimensions (dual-section 16 ~ 100 ratio) [mm]

Specification	DG164	DG290	DG310	DG440	DG500	DG655	DG785
※□W1 min.	70	95	100	130	150	210	210
øD1	86	118	145	179	247	300	330
øD2 (h7)	64	90	110	140	200	255	285
øD3 (h7)	40	63	80	100	160	180	200
øD4 (h7)	20	31.5	40	50	80	100	100
øD5	70	95	120.5	152.5	212.5	255	285
øD6 (F7) max.	14	19	twenty four	32/38	38	48	48
øD7	4.5	5.5	5.5	6.6	9	13.5	13.5
øD8	79	109	135	168	233	280	310
D9	M5*P0.8	M6*P1	M6*P1	M8*P1.25	M10*P1.5	M16*P2	M20*P2.5
øD10	31.5	50	63	80	125	140	160
※L1	108.5	139	152.75	187	208.5	300.5	310
L2	19.5	30	29	38	50	66	75
L3	4	7	8	10	12	18	20
L4	63.5	81	96.75	118.5	125	187.5	190
L5	4	7	7	7.5	8.5	13.5	16.5
L6	8	10	10	18	twenty three	28	35
L7	7	8	9	14	15	20	twenty one
L8	8	12	12	12	16	20	20
L9	15.5	14.5	20.5	30.5	28.5	38.8	38.8
L10	18	twenty one	twenty one	22.5	26.5	33.2	33.2
L11	7	10	12	15	20	25	30
※L12	22.5	28	27	30.5	33.5	47	45
※L13	38	42.5	47.5	61	62	85.2	83.8

*The dimensions indicated by this symbol may vary depending on the servo motor being connected.
Our company continuously researches and develops its products. The dimensions shown in the table above are intended to be accurate; however, in case of discrepancies, the actual product shall prevail. For precise dimensions, please contact our company.

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