Micromotori brushless coreless

Serie ATOM SC

I vantaggi di questa tecnologia costruttiva combinano la semplicità di un motore CC spazzolato con la longevità di un motore brushless, mantenendo l’economicità e la facilità di integrazione. L’assenza di cogging è tipica dei motori coreless e garantisce un ripple di coppia ridotto, una correlazione lineare tra coppia e velocità e una bassa inerzia. La miniaturizzazione dell’elettronica mantiene invariato il diametro del motore con un leggero aumento della lunghezza.

Specifiche tecniche

Da 12 a 36mm di diametro
Controllo di velocità integrato

Attributi

Coreless
Personalizzabile
Alta efficienza
Azionamento integrato
Bassa inerzia
Bassa silenziosità

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Servotecnica - Micromotors

Serie ATOM SC

Attributi

Coreless
Personalizzabile
Alta efficienza
Azionamento integrato
Bassa inerzia
Bassa silenziosità

Specifiche tecniche

Da 12 a 36mm di diametro
Controllo di velocità integrato

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Servotecnica - Micromotors

Values	Unit	1228-06..
Nominal voltage	V	6
No load speed	rpm	31000
No load current	mA	140
Nominal speed	rpm	27755
Nominal torque	mNm	0,5
Nominal current	A	0,42
Stall torque	mNm	4,78
Stall current	A	2,86
Max. efficiency	%	60,6
Terminal resistance*	Ω	4.5..7
Terminal inductance*	mH	CCW viewed from shaft endend
Torque constant	mNm/A	1,78
Speed constant	rpm/V	5374
Speed/torque gradient	rpm/mNm	6350
Mechanical time constant	ms	11,3
Rotor inertia	gcm2	0,2
Thermal resistance housing-ambient	K/W	38.3 K/W
Thermal resistance winding-housing	K/W	9.6 K/W
Thermal time constant winding	s	5 s
Thermal time constant motor	s	196 s
Ambient temperature	°C	-30…+100°C
Max. permissible winding temperature	°C	+125°C
Max. permissible speed	rpm	50000 rpm
Radial play		preloaded
Max. axial load (dynamic)	N	0,3
Max.force for press fits (static)	N	11N
(static, shaft supported)	N	200 N
Max. radial loading, 5mm from flange		4.3 N
Number of poles		2
Number of phases		3
Weight	g	12.2 g

Values	Unit	1638-06..	1638-12..
Nominal voltage	V	6	12
No load speed	rpm	8832	17664
No load current	mA	110	100
Nominal speed	rpm	6102	14491
Nominal torque	mNm	1,5	2
Nominal current	A	0,37	0,43
Stall torque	mNm	4,85	11,1
Stall current	A	0,96	1,91
Max. efficiency	%	43,7	59,5
Terminal resistance*	Ω	4.5..7	8..13
Terminal inductance*	mH	CCW viewed from shaft end
Torque constant	mNm/A	5,74	6,11
Speed constant	rpm/V	1664	1562
Speed/torque gradient	rpm/mNm	1820	1604
Mechanical time constant	ms	8,2	7,2
Rotor inertia	gcm2	0,4	0,4
Thermal resistance housing-ambient	K/W	20.2	20.2
Thermal resistance winding-housing	K/W	8.7	8.7
Thermal time constant winding	s	7	7
Thermal time constant motor	s	238	238
Ambient temperature	°C	-30…+100	-30…+100
Max. permissible winding temperature	°C	150	150
Max. permissible speed	rpm	35000	35000
Radial play		preloaded	preloaded
Max. axial load (dynamic)	N	1.3	1.3
Max.force for press fits (static)	N	15	15
(static, shaft supported)	N	350	350
Max. radial loading, 5mm from flange		5	5
Number of poles		2	2
Number of phases		3	3
Weight	g	27	27

Values	Unit	2238-12..	2238-18..	2238-24..
Nominal voltage	V	12	18	24
No load speed	rpm	17445	17830	17721
No load current	mA	220	150	110
Nominal speed	rpm	14292	14700	14260
Nominal torque	mNm	6	6	6
Nominal current	A	1,13	0,75	0,57
Stall torque	mNm	44,8	45,3	40,7
Stall current	A	7,44	4,96	3,39
Max. efficiency	%	70,2	70,3	67,7
Terminal resistance*	Ω	10..28	10..28	10..28
Terminal inductance*	mH	CCW viewed from shaft end
Torque constant	mNm/A	6,15	9,32	12,3
Speed constant	rpm/V	1553	1024	777
Speed/torque gradient	rpm/mNm	407	399	447
Mechanical time constant	ms	6,4	6,2	7
Rotor inertia	gcm2	1,5	1,5	1,5
Thermal resistance housing-ambient	K/W	15.2	15.2	15.2
Thermal resistance winding-housing	K/W	6.0	6.0	6.0
Thermal time constant winding	s	11	11	11
Thermal time constant motor	s	383	383	383
Ambient temperature	°C	-30…+100	-30…+100	-30…+100
Max. permissible winding temperature	°C	+150	+150	+150
Max. permissible speed	rpm	35000	35000	35000
Radial play		preloaded	preloaded	preloaded
Max. axial load (dynamic)	N	3.5	3.5	3.5
Max.force for press fits (static)	N	44	44	44
Max. radial loading, 5mm from flange	N	15	15	15
Number of poles		2	2	2
Number of phases		3	3	3
Weight	g	63	63	63

Values	Unit	2246-12..	2246-24..
Nominal voltage	V	12	24
No load speed	rpm	11570	15627
No load current	mA	170	140
Nominal speed	rpm	10085	12771
Nominal torque	mNm	8	12
Nominal current	A	1,01	1,01
Stall torque	mNm	60,4	82,8
Stall current	A	6,7	6,28
Max. efficiency	%	70,5	71,8
Terminal resistance*	Ω	10..28	10..28
Terminal inductance*	mH	CCW viewed from shaft end
Torque constant	mNm/A	9,2	13,4
Speed constant	rpm/V	1038	712
Speed/torque gradient	rpm/mNm	202	203
Mechanical time constant	ms	4,8	4,8
Rotor inertia	gcm2	2,3	2,3
Thermal resistance housing-ambient	K/W	12.7	12.7
Thermal resistance winding-housing	K/W	5.0	5.0
Thermal time constant winding	s	12	12
Thermal time constant motor	s	420	420
Ambient temperature	°C	-30…+100	-30…+100
Max. permissible winding temperature	°C	+150	+150
Max. permissible speed	rpm	35000	35000
Radial play		preloaded	preloaded
Max. axial load (dynamic)	N	3.5	3.5
Max.force for press fits (static)	N	44	44
Max. radial loading, 5mm from flange	N	15	15
Number of poles		2	2
Number of phases		3	3
Weight	g	79	79

Values	Unit	2452-12..	2452-24..
Nominal voltage	V	12	24
No load speed	rpm	6904	6980
No load current	mA	103	70
Nominal speed	rpm	5087	5089
Nominal torque	mNm	14	14
Nominal current	A	0,98	0,51
Stall torque	mNm	87	85,2
Stall current	A	5,58	2,73
Max. efficiency	%	71,7	67,9
Terminal resistance*	Ω	10..28	10..28
Terminal inductance*	mH	CCW viewed from shaft end
Torque constant	mNm/A	15,9	32
Speed constant	rpm/V	601	298
Speed/torque gradient	rpm/mNm	81,3	81,9
Mechanical time constant	ms	3,6	3,6
Rotor inertia	gcm2	4,2	4,2
Thermal resistance housing-ambient	K/W	11.6	11.6
Thermal resistance winding-housing	K/W	5.6	5.6
Thermal time constant winding	s	30	30
Thermal time constant motor	s	557	557
Ambient temperature	°C	-30…+100	-30…+100
Max. permissible winding temperature	°C	+150	+150
Max. permissible speed	rpm	30000	30000
Radial play		preloaded	preloaded
Max. axial load (dynamic)	N	3.5	3.5
Max.force for press fits (static)	N	44	44
Max. radial loading, 5mm from flange	N	15	15
Number of poles		2	2
Number of phases		3	3
Weight	g	112	112

Values	Unit	2459-12..	2459-24..
Nominal voltage	V	12	24
No load speed	rpm	7699	7655
No load current	mA	114	73
Nominal speed	rpm	6958	6597
Nominal torque	mNm	14	20
Nominal current	A	1,07	0,75
Stall torque	mNm	145	145
Stall current	A	10	4,98
Max. efficiency	%	79,8	77,2
Terminal resistance*	Ω	10..28	10..28
Terminal inductance*	mH	CCW viewed from shaft end
Torque constant	mNm/A	14,7	29,5
Speed constant	rpm/V	649	324
Speed/torque gradient	rpm/mNm	52,9	52,9
Mechanical time constant	ms	3,3	3,3
Rotor inertia	gcm2	5,9	5,9
Thermal resistance housing-ambient	K/W	10.2	10.2
Thermal resistance winding-housing	K/W	6.4	6.4
Thermal time constant winding	s	36	36
Thermal time constant motor	s	555	555
Ambient temperature	°C	-30…+100	-30…+100
Max. permissible winding temperature	°C	+150	+150
Max. permissible speed	rpm	30000	30000
Radial play		preloaded	preloaded
Max. axial load (dynamic)	N	3.5	3.5
Max.force for press fits (static)	N	44	44
Max. radial loading, 5mm from flange	N	15	15
Number of poles		2	2
Number of phases		3	3
Weight	g	130	130

Values	Unit	2854-12..	2854-24..
Nominal voltage	V	12	24
No load speed	rpm	6878	6700
No load current	mA	121	76
Nominal speed	rpm	5674	5157
Nominal torque	mNm	15	18
Nominal current	A	1,04	0,62
Stall torque	mNm	85,7	78,1
Stall current	A	5,38	2,43
Max. efficiency	%	72,3	67,8
Terminal resistance*	Ω	10..28	10..28
Terminal inductance*	mH	CCW viewed from shaft end
Torque constant	mNm/A	16,3	33,1
Speed constant	rpm/V	586	288
Speed/torque gradient	rpm/mNm	80,3	85,7
Mechanical time constant	ms	4,4	4,7
Rotor inertia	gcm2	5,2	5,2
Thermal resistance housing-ambient	K/W	9.6	9.6
Thermal resistance winding-housing	K/W	6.3	6.3
Thermal time constant winding	s	37	37
Thermal time constant motor	s	584	584
Ambient temperature	°C	-30…+100	-30…+100
Max. permissible winding temperature	°C	+150	+150
Max. permissible speed	rpm	25000	25000
Radial play		preloaded	preloaded
Max. axial load (dynamic)	N	7.5	7.5
Max.force for press fits (static)	N	100	100
Max. radial loading, 5mm from flange	N	25	25
Number of poles		2	2
Number of phases		3	3
Weight	g	153	153

Values	Unit	2863-12..	2863-24..
Nominal voltage	V	12	24
No load speed	rpm	4168	4162
No load current	mA	70	60
Nominal speed	rpm	3264	3033
Nominal torque	mNm	25	25
Nominal current	A	0,99	0,53
Stall torque	mNm	115	92,1
Stall current	A	4,33	1,79
Max. efficiency	%	76,2	66,7
Terminal resistance*	Ω	10..28	10..28
Terminal inductance*	mH	CCW viewed from shaft end
Torque constant	mNm/A	27	53,2
Speed constant	rpm/V	353	179
Speed/torque gradient	rpm/mNm	36,2	45,2
Mechanical time constant	ms	3,2	4
Rotor inertia	gcm2	8,5	8,5
Thermal resistance housing-ambient	K/W	7.1	7.1
Thermal resistance winding-housing	K/W	5	5
Thermal time constant winding	s	51	51
Thermal time constant motor	s	552	552
Ambient temperature	°C	-30…+100	-30…+100
Max. permissible winding temperature	°C	+150	+150
Max. permissible speed	rpm	25000	25000
Radial play		preloaded	preloaded
Max. axial load (dynamic)	N	7.5	7.5
Max.force for press fits (static)	N	100	100
Max. radial loading, 5mm from flange	N	25	25
Number of poles		2	2
Number of phases		3	3
Weight	g	188	188

Values	Unit	3270-12..	3270-24..
Nominal voltage	V	12	24
No load speed	rpm	7200	7100
No load current	mA	194	110
Nominal speed	rpm	6623	6243
Nominal torque	mNm	25	40
Nominal current	A	1,78	1,36
Stall torque	mNm	312	331
Stall current	A	20	10,5
Max. efficiency	%	81,3	80,6
Terminal resistance*	Ω	10..28	10..28
Terminal inductance*	mH	CCW viewed from shaft end
Torque constant	mNm/A	15,8	31,9
Speed constant	rpm/V	606	299
Speed/torque gradient	rpm/mNm	23,1	21,4
Mechanical time constant	ms	3,7	3,5
Rotor inertia	gcm2	15,5	15,5
Thermal resistance housing-ambient	K/W	5	5
Thermal resistance winding-housing	K/W	4	4
Thermal time constant winding	s	52	52
Thermal time constant motor	s	540	540
Ambient temperature	°C	-30…+100	-30…+100
Max. permissible winding temperature	°C	+150	+150
Max. permissible speed	rpm	25000	25000
Radial play		preloaded	preloaded
Max. axial load (dynamic)	N	7.5	7.5
Max.force for press fits (static)	N	100	100
Max. radial loading, 5mm from flange	N	25	25
Number of poles		2	2
Number of phases		3	3
Weight	g	255	255

Values	Unit	3673-12..	3673-24..
Nominal voltage	V	12	24
No load speed	rpm	4070	4042
No load current	mA	148	84
Nominal speed	rpm	3229	3223
Nominal torque	mNm	50	50
Nominal current	A	1,95	0,98
Stall torque	mNm	242	247
Stall current	A	8,89	4,52
Max. efficiency	%	75,9	74,6
Terminal resistance*	Ω	10..28	10..28
Terminal inductance*	mH	CCW viewed from shaft end
Torque constant	mNm/A	27,7	55,7
Speed constant	rpm/V	345	172
Speed/torque gradient	rpm/mNm	16,8	16,4
Mechanical time constant	ms	3,4	3,3
Rotor inertia	gcm2	19,5	19,5
Thermal resistance housing-ambient	K/W	4.9	4.9
Thermal resistance winding-housing	K/W	1.6	1.6
Thermal time constant winding	s	45	45
Thermal time constant motor	s	630	630
Ambient temperature	°C	-30…+100	-30…+100
Max. permissible winding temperature	°C	+150	+150
Max. permissible speed	rpm	20000	20000
Radial play		preloaded	preloaded
Max. axial load (dynamic)	N	7.5	7.5
Max.force for press fits (static)	N	100	100
Max. radial loading, 5mm from flange	N	25	25
Number of poles		2	2
Number of phases		3	3
Weight	g	317	317

Values	Unit	3683-12..	3683-24..
Nominal voltage	V	12	24
No load speed	rpm	3278	3273
No load current	mA	137	78
Nominal speed	rpm	2294	2304
Nominal torque	mNm	100	100
Nominal current	A	3,04	1,53
Stall torque	mNm	333	338
Stall current	A	9,8	4,98
Max. efficiency	%	77,8	76,5
Terminal resistance*	Ω	10..28	10..28
Terminal inductance*	mH	CCW viewed from shaft end
Torque constant	mNm/A	34,5	68,9
Speed constant	rpm/V	277	139
Speed/torque gradient	rpm/mNm	9,83	9,69
Mechanical time constant	ms	2,2	2,2
Rotor inertia	gcm2	21,5	21,5
Thermal resistance housing-ambient	K/W	5	5
Thermal resistance winding-housing	K/W	2.3	2.3
Thermal time constant winding	s	46 s	46 s
Thermal time constant motor	s	816 s	816 s
Ambient temperature	°C	-30…+100	-30…+100
Max. permissible winding temperature	°C	+150	+150
Max. permissible speed	rpm	20000	20000
Radial play		preloaded	preloaded
Max. axial load (dynamic)	N	7.5	7.5
Max.force for press fits (static)	N	100	100
Max. radial loading, 5mm from flange	N	25	25
Number of poles		2	2
Number of phases		3	3
Weight	g	366	366

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Josafatt Bernocchi

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