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EC-A8112-P1-18H

EC-A8112-P1-18H is a 105-flange hollow joint motor with an 18:1 reduction ratio, a 5mm hollow bore and rated efficiency up to 80%. The cross-roller bearing withstands large axial and radial loads and bending moments, 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-A8112-P1-18H Performance Parameters

Item	Unit	Value
Reduction Ratio		18
Rated Voltage	V	48
Rated Bus Current	A	8.3
Rated Phase Current	A	13.3
Rated Input Power	W	398.4
Rated Speed	RPM	133
Rated Torque	Nm	22
Allows Continuous Torque	Nm	21
Peak Speed	RPM	150
Peak Phase Current	A	55
Peak Torque	Nm	94
Efficiency		80%
Torque Constant	Nm/A	2.1
Weight	g	883
Backlash	Arcmin	18
Motor Size	mm	105×53
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	98
Peak Torque Density	Nm/kg	106.5

Measured Data - Torque Characteristics

Voltage V	Bus Current A	Input Power W	Torque Nm	Phase Current A	Speed RPM	Efficiency	Torque/Phase Current
48V	0.06	2.88	1.4	1.94	0	0	0.72
	0.07	3.36	3.7	2.7	0	0	1.37
	0.09	4.32	5.7	3.44	0	0	1.66
	0.14	6.72	9	5.02	0	0	1.79
	0.17	8.16	10.7	5.76	0	0	1.86
	0.23	11.04	12.7	6.87	0	0	1.85
	0.29	13.92	15	8.04	0	0	1.87
	0.39	18.72	18.1	9.53	0	0	1.90
	0.44	21.12	19.8	10.34	0	0	1.91
	0.52	24.96	22.1	11.45	0	0	1.93
	0.6	28.8	24.3	12.53	0	0	1.94
	0.76	36.48	27	14.13	0	0	1.91
	0.89	42.72	29.3	15.54	0	0	1.89
	1.01	48.48	31.7	16.83	0	0	1.88
	1.25	60	34.9	18.64	0	0	1.87
	1.37	65.76	36	19.29	0	0	1.87
	1.56	74.88	38	20.46	0	0	1.86
	1.74	83.52	40.1	21.64	0	0	1.85
	1.91	91.68	42.1	22.8	0	0	1.85
	2.38	114.24	45.6	25.15	0	0	1.81
	2.69	129.12	48.5	27.08	0	0	1.79
	2.97	142.56	49.9	28.16	0	0	1.77
	3.37	161.76	52.4	29.75	0	0	1.76
	3.75	180	54.5	31.02	0	0	1.76
	4.08	195.84	56.7	32.13	0	0	1.76
	4.75	228	59.6	34	0	0	1.75
	5.05	242.4	61	34.84	0	0	1.75
	5.61	269.28	63.3	36.25	0	0	1.75
	6.27	300.96	65.4	37.82	0	0	1.73
	7.55	362.4	68.6	40.41	0	0	1.70
	8.99	431.52	72.1	43.13	0	0	1.67
	9.81	470.88	73.9	44.53	0	0	1.66
	10.36	497.28	75.8	45.85	0	0	1.65
	11.23	539.04	77.6	47.39	0	0	1.64
	12.03	577.44	79.5	48.79	0	0	1.63
	13.09	628.32	81.7	50.79	0	0	1.61
	15.55	746.4	83.2	54.52	0	0	1.53

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	1.39	23.53	1.5	149.78	1.05	35%	1.43
	2.06	63.07	4.1	146.9	2.32	64%	1.77
	2.61	97.07	6.4	144.84	4.17	77%	1.53
	4.05	131.59	8.8	142.8	5.69	68%	1.55
	5.01	172.99	11.7	141.2	6.18	72%	1.89
	5.11	207.28	14.2	139.4	7.35	85%	1.93
	6.36	240.86	16.8	136.92	8.43	79%	1.99
	7.53	272.67	19.3	134.92	10	75%	1.93
	8.29	305.96	21.9	133.42	13.34	77%	1.64
	9.1	341.38	24.9	130.93	12.4	78%	2.01
	9.82	372.12	27.6	128.76	14.85	79%	1.86
	10.98	396.03	29.9	126.49	15.81	75%	1.89
	12.05	427.96	33	123.85	19.12	74%	1.73
	12.98	460.57	36.1	121.84	18.18	74%	1.99
	13.45	481.32	38.2	120.33	20.91	75%	1.83
	14.15	502.12	40.6	118.11	20.06	74%	2.02
	15.34	517.46	42.4	116.55	23.68	70%	1.79
	17.2	541.37	45.7	113.13	24.82	66%	1.84
	17.59	555.74	48	110.57	28.88	66%	1.66
	18.63	585.34	52	107.5	27.58	65%	1.89
	19.39	599.05	53.9	106.14	30.9	64%	1.74
	19.94	612.87	55.7	105.08	29.68	64%	1.88
	20.69	622.14	57.3	103.69	32.05	63%	1.79
	21.71	633.66	60.4	100.19	34.37	61%	1.76
	22.74	643.44	62	99.11	36.33	59%	1.71
	23.4	654.34	64	97.64	39.39	58%	1.62
	25.33	671.47	67.7	94.72	41.63	55%	1.63
	26.39	693.74	71.5	92.66	42.27	55%	1.69
	28.69	699.04	74.9	89.13	47.28	51%	1.58
	29.33	710.30	77.8	87.19	44.46	50%	1.75
	31.34	708.77	80.6	83.98	51.58	47%	1.56
	33.07	701.57	83.5	80.24	54.52	44%	1.53
	32.66	687.45	86.1	76.25	54.52	44%	1.58
	23.99	344.62	88.4	37.23	55.16	30%	1.60
	14.87	0.00	89.8	0	54.9	0%	1.64