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EC-A8116-P1-18H

EC-A8116-P1-18H is a 105-flange hollow joint motor with an 18:1 reduction ratio, 122Nm peak torque and a 5mm hollow bore. The cross-roller bearing withstands high axial/radial loads and bending moments (126Nm/kg), with dual-encoder closed-loop and built-in protection.

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Detail

Introduction

1.2 Performance Parameters, Measured Data and Characteristic Curves

EC-A8116-P1-18H Performance Parameters

Item	Unit	Value
Reducer ratio		18
Rated Voltage	V	48
Rated Bus Current	A	9.8
Rated Phase Current	A	13
Rated Input Power	W	470.4
Rated Speed	RPM	128
Rated Torque	Nm	28
Allows Continuous Torque	Nm	20
Peak Speed	RPM	142
Peak Phase Current	A	60
Peak Torque	Nm	122
Efficiency		78%
Torque Constant	Nm/A	2.35
Weight	g	968
Backlash	Arcmin	18
Motor Size	mm	105×57
Hole Diameter	mm	5
Communication Mode		CAN (optional CANFD)
Communication Baud Rate		1M/5M

Structural Parameters

Item	Unit	Value
Double Encoder		Yes
Cross Roller Bearing Type		7005
Axial And Radial Loads	KN	2.81
Bending Moment Resistance	Nm	98
The Rotor Inertia Of The Motor	kgmm²	197
Peak Torque Density	Nm/kg	126

Measured Data - Torque Characteristics

Voltage V	Bus Current A	Input Power W	Torque Nm	Phase Current A	Speed RPM	Efficiency	Torque/Phase Current
48V	0.03	1.44	0.2	1.15	0	0	0.17
	0.05	2.4	3.3	2.54	0	0	1.30
	0.07	3.36	5.5	3.37	0	0	1.63
	0.12	5.76	9	4.99	0	0	1.80
	0.18	8.64	12	6.24	0	0	1.92
	0.24	11.52	15.3	7.54	0	0	2.03
	0.29	13.92	17.5	8.32	0	0	2.10
	0.37	17.76	20.9	9.63	0	0	2.17
	0.52	24.96	24.5	11.2	0	0	2.19
	0.6	28.8	26.8	12.09	0	0	2.22
	0.7	33.6	29.9	13.33	0	0	2.24
	0.83	39.84	33.1	14.58	0	0	2.27
	1.05	50.4	36.6	16.13	0	0	2.27
	1.15	55.2	39	17.12	0	0	2.28
	1.28	61.44	40.7	17.87	0	0	2.28
	1.52	72.96	44.4	19.46	0	0	2.28
	1.75	84	48.1	21.24	0	0	2.26
	2.07	99.36	51	22.66	0	0	2.25
	2.31	110.88	54	24.13	0	0	2.24
	2.57	123.36	57.2	25.46	0	0	2.25
	2.79	133.92	60.1	26.91	0	0	2.23
	3.19	153.12	63.8	28.71	0	0	2.22
	3.47	166.56	66.1	29.96	0	0	2.21
	3.88	186.24	69.5	31.52	0	0	2.20
	4.24	203.52	71.9	32.76	0	0	2.19
	5.01	240.48	75.8	35.2	0	0	2.15
	5.65	271.2	79.9	37.65	0	0	2.12
	6.18	296.64	82.3	39	0	0	2.11
	6.65	319.2	84.7	40.13	0	0	2.11
	7.26	348.48	87.2	41.4	0	0	2.11
	8.08	387.84	90.2	43	0	0	2.10
	9.09	436.32	93.3	45.18	0	0	2.07
	10.53	505.44	97.4	47.6	0	0	2.05
	11.57	555.36	99.8	49.23	0	0	2.03
	12.8	614.4	102.7	51.35	0	0	2.00
	15.7	753.6	106.1	55.96	0	0	1.90
	18.4	883.2	107.9	59.58	0	0	1.81

Measured Data - Torque-Speed (T-N) Curve

Voltage V	Bus Current A	Output Power W	Torque Nm	Speed RPM	Phase Current A	Efficiency	Torque/Phase Current
48V	1.58	22.49	1.5	143.17	2.88	30%	0.52
	2.39	61.96	4.2	140.88	2.84	54%	1.48
	4.12	113.14	7.8	138.52	3.72	57%	2.10
	4.21	161.26	11.2	137.5	5.48	80%	2.04
	5.53	199.39	14.1	135.05	6.54	75%	2.16
	6.2	245.35	17.5	133.89	9.64	82%	1.82
	8.69	279.88	20.1	132.98	10.4	67%	1.93
	7.62	315.67	23	131.07	9.28	86%	2.48
	10.18	355.47	26.2	129.57	13.87	73%	1.89
	9.87	390.03	29.2	127.56	13.06	82%	2.24
	12.49	430.76	32.6	126.19	15.52	72%	2.10
	11.87	468.68	36	124.33	14.35	82%	2.51
	13.21	500.28	39.1	122.19	17.87	79%	2.19
	15.89	535.05	42.5	120.23	20.39	70%	2.08
	15.49	567.45	45.7	118.58	19.84	76%	2.30
	16.4	595.10	48.9	116.22	20.65	76%	2.37
	17.9	626.94	52.3	114.48	23.93	73%	2.19
	19.16	655.95	55.5	112.87	23.76	71%	2.34
	20.65	679.81	58.7	110.6	27.67	69%	2.12
	20.61	697.34	61.8	107.76	27.25	70%
	22.04	729.38	65.8	105.86	29.74	69%	2.21
	23.78	749.38	68.8	104.02	32.61	66%	2.11
	25.22	773.41	71.8	102.87	32.96	64%	2.18
	24.9	783.29	74.7	100.14	35.14	66%	2.13
	27.67	807.41	78.1	98.73	37.22	61%	2.10
	28.04	818.98	81.1	96.44	38.1	61%	2.13
	28.9	829.05	84.3	93.92	42.33	60%	1.99
	31.69	844.13	88.2	91.4	42.7	55%	2.07
	33.29	843.81	91.5	88.07	47.28	53%	1.94
	35.29	851.62	95.1	85.52	48.48	50%	1.96
	37.13	859.86	98.9	83.03	57.5	48%	1.72
	38.22	868.59	102.7	80.77	58.37	47%	1.76
	39.88	876.95	106.7	78.49	58.65	46%	1.82
	40.62	873.62	110.3	75.64	60.45	45%	1.82
	37.15	752.66	113	63.61	63.17	42%	1.79
	26.07	331.71	115.7	27.38	61.95	27%	1.87
	17.86	0.00	117.9	0	59.94	0%	1.97