HONPINE 4th-Generation JMF Frameless Torque Motor

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HONPINE 4th-Generation JMF Frameless Torque Motor

The HONPINE JMF 4th-generation frameless torque motor features high torque density and low cogging torque technology. Designed with a robust and reliable structure, it incorporates improvements throughout the manufacturing process to enhance structural strength and reduce the risk of component detachment.

What Are the Advantages of the HONPINE JMF Frameless Torque Motor?

30% Higher Torque Density

The innovative welding-free stator assembly process significantly improves internal space utilization. This enables higher torque output within the same overall motor dimensions, providing greater power capacity for integrated robot joint modules.

10% Improved Heat Dissipation

High-performance magnetic materials, combined with an optimized magnetic circuit design, improve heat transfer efficiency. This helps control temperature rise during prolonged, high-frequency operation and supports stable motor performance.

Automation of Key Manufacturing Processes

Critical manufacturing processes have been automated to support consistent mass production and precise control of product tolerances. This improves product consistency and manufacturing yield while reducing selection and application risks for customers.

Full Size Range and Customized Solutions

The JMF series covers a full range of frame sizes with outer diameters from 38 mm to 140 mm. Customized solutions are also available to meet different installation space constraints, torque requirements, and application conditions.

Summary Table of Electromagnetic Performance Parameters for the JMF4 Series

Model	Rated Voltage UN (VDC)	Rated Speed nN (rpm)	Rated Torque TN (Nm)	Rated Power PN (W)	Rated Current IN (A)	Peak Speed (rpm)	Peak Torque Tpeak (Nm)	Peak Power Ppeak (W)	Peak Current Ipeak (A)	d/q-Axis Inductance Ld/Lq (渭H)	Back-EMF Constant Ke (V/krpm)	Torque Constant Kt (Nm/A)	Line Resistance R (惟)
JMF4-03806AT	24	12000	0.12	150	8	12000	0.36	268	25	27.9/27.5	1.09	18.1	0.239
JMF4-03806BT	24	8000	0.12	100	5	8000	0.36	157	18	54.6/54	1.53	25.3	0.453
JMF4-03806CT	24	5000	0.13	67	4	5000	0.36	89	12.5	111/110	2.19	36.2	0.86
JMF4-03812AL	48	8000	0.24	198	5	8000	0.72	364	16.5	125/124	3.28	54.3	0.71
JMF4-03812BL	48	5000	0.24	125	4	5000	0.72	221	12	234/232	4.49	74.2	1.3
JMF4-03812CL	48	3000	0.25	80	3	3000	0.72	116	8.25	500/500	6.57	109	2.7
JMF4-04310AL	48	8000	0.25	209	5	8000	0.77	413	16.2	90.1/82.7	3.35	55.5	0.68
JMF4-04310BL	48	5000	0.25	133	4	5000	0.77	222	11	193/178	4.92	81.4	1.39
JMF4-04310CL	48	3000	0.25	79	2	3000	0.77	104	7.2	436/400	7.38	122	3.18
JMF4-04320AL	48	5500	0.5	280	7	5500	1.54	530	22	96.9/89	4.92	81.4	0.56
JMF4-04320BL	48	3600	0.5	187	5	3600	1.54	309	16.2	180/165	6.71	111	1.02
JMF4-04320CL	48	2200	0.51	118	4	2200	1.54	156	11	388/356	9.84	163	2.11
JMF4-05008AL	48	8000	0.32	270	7	8000	0.97	540	21	78/73.7	3.31	54.8	0.483
JMF4-05008BL	48	5000	0.32	168	4	5000	0.97	274	13.5	187/177	5.13	84.9	1.09
JMF4-05008CL	48	3000	0.32	101	3	3000	0.97	135	9.3	398/376	7.48	124	2.39
JMF4-05013AL	48	4800	0.52	260	7	4800	1.58	473	21	127/120	5.38	89.1	0.61
JMF4-05013BL	48	3000	0.52	163	4	3000	1.58	228	13.5	304/287	8.34	138	1.38
JMF4-05013CL	48	2400	0.52	131	4	2400	1.58	181	12	385/364	9.38	155	1.77
JMF4-05026AL	48	3800	0.92	370	9	3800	2.85	730	29	105/100	6.95	115	0.401
JMF4-05026BL	48	2700	0.92	262	7	2700	2.85	435	21.5	191/182	9.38	155	0.72
JMF4-05026CL	48	1900	0.92	183	5	1900	2.85	264	16.5	321/306	12.2	201	1.23
JMF4-06008AL	48	8000	0.49	420	10	8000	1.56	850	33	58.9/53.5	3.47	57.5	0.263
JMF4-06008BL	48	5000	0.5	261	6	5000	1.56	465	21	136/123	5.27	87.2	0.438
JMF4-06008CL	48	3000	0.51	160	4	3000	1.56	239	14.8	311/282	7.98	132	1.27
JMF4-06013AL	48	4800	0.81	410	10	4800	2.5	790	33	95.7/87	5.64	93.4	0.326
JMF4-06013BL	48	3000	0.8	252	6	3000	2.5	405	21	220/201	8.57	142	0.73
JMF4-06013CL	48	1700	0.83	148	4	1700	2.5	200	14.8	505/459	13	214	1.59
JMF4-06026AL	48	3000	1.53	480	11	3000	5	880	40	127/116	9.21	152	0.316
JMF4-06026BL	48	2200	1.53	350	9	2200	5	610	33	191/174	11.3	187	0.491
JMF4-06026CL	48	1400	1.51	222	6	1400	5	291	21	440/401	17.1	284	1.11
JMF4-07010AL	48	8000	0.83	700	17	8000	2.5	1540	56	37.5/34	3.34	55.3	0.099
JMF4-07010BL	48	5000	0.84	440	11	5000	2.5	880	35	93.5/84.8	5.28	87.3	0.239
JMF4-07010CL	48	3000	0.86	270	7	3000	2.5	460	23	230/208	8.27	137	0.57
JMF4-07018AL	48	4500	1.5	710	17	4500	4.5	1490	56	67.6/61.2	6.02	99.6	0.13
JMF4-07018BL	48	2700	1.53	430	11	2700	4.5	790	35	168/153	9.5	157	0.318
JMF4-07018CL	48	1600	1.55	260	7	1600	4.5	384	23	414/375	14.9	246	0.77
JMF4-07608AL	48	8000	0.82	690	17	8000	2.5	1450	55	40/37	3.4	56.2	0.108
JMF4-07608BL	48	5000	0.82	430	11	5000	2.5	843	35	95.7/88.2	5.25	86.9	0.256
JMF4-07608CL	48	3000	0.82	259	7	3000	2.5	435	22.8	232/214	8.19	135	0.61
JMF4-07613AL	48	5000	1.34	700	17	5000	4	1430	55	65.1/60	5.52	91.4	0.13
JMF4-07613BL	48	3000	1.34	420	11	3000	4	790	35	155/143	8.54	141	0.312
JMF4-07613CL	48	1800	1.34	252	7	1800	4	385	22.8	378/348	13.3	220	0.75
JMF4-07626AL	48	4000	2.54	1060	24	4000	8	2350	86	52.6/48.6	7.03	116	0.077
JMF4-07626BL	48	2400	2.62	660	16	2400	8	1270	55	130/120	11.1	183	0.189
JMF4-07626CL	48	1400	2.59	380	10	1400	8	630	35.5	311/287	17.1	282	0.459
JMF4-08508AL	48	6500	1.1	740	18	6500	3.3	1530	58.8	45.8/43.2	4.24	70.1	0.109
JMF4-08508BL	48	4000	1.06	440	11	4000	3.3	840	36	115/109	6.71	111	0.267
JMF4-08508CL	48	2500	1.1	288	8	2500	3.3	472	25.5	250/235	9.89	164	0.57
JMF4-08513AL	48	4000	1.78	750	18	4000	5.3	1490	58.8	74.5/70.3	6.89	114	0.131
JMF4-08513BL	48	2400	1.73	440	11	2400	5.3	790	36	186/176	10.9	180	0.323
JMF4-08513CL	48	1500	1.79	281	8	1500	5.3	423	25.5	406/382	16.1	266	0.69
JMF4-08526AL	48	3200	3.3	1100	26	3200	10.5	2490	90	56.6/53.8	8.6	142	0.078
JMF4-08526BL	48	2000	3.5	730	17	2000	10.5	1330	58.8	149/141	13.8	228	0.188
JMF4-08526CL	48	1100	3.3	420	10	1100	10.5	630	36	373/353	21.8	361	0.468
JMF4-09408AL	48	6000	1.36	850	21	6000	4.1	1770	72	44.7/42.3	4.42	73.2	0.08
JMF4-09408BL	48	3200	1.36	460	11	3200	4.1	800	38.4	156/148	8.27	137	0.274
JMF4-09408CL	48	2000	1.39	291	8	2000	4.1	468	27	325/307	11.9	197	0.56
JMF4-09413AL	48	3800	2.22	880	21	3800	6.6	1780	72	72.6/68.7	7.19	119	0.095
JMF4-09413BL	48	1900	2.22	440	11	1900	6.6	750	38.4	254/240	13.4	222	0.329
JMF4-09413CL	48	1200	2.26	282	8	1200	6.6	420	27	528/499	19.4	320	0.67
JMF4-09426AL	48	1900	4.46	890	21	1900	13.3	1620	72	145/137	14.4	238	0.135
JMF4-09426BL	48	1200	4.4	550	14	1200	13.3	860	46.4	336/319	21.9	362	0.313
JMF4-09426CL	48	900	4.4	410	11	900	13.3	610	38.4	508/481	26.9	445	0.471
JMF4-10415AL	48	4000	3.3	1360	32	4000	10	3030	108	26.3/23.3	6.8	113	0.051
JMF4-10415BL	48	2000	3.3	680	16	2000	10	1240	54	105/93	13.7	226	0.193
JMF4-10430AL	48	2000	6.3	1330	31	2000	20	2760	108	52.6/46.7	13.7	226	0.076
JMF4-10430BL	48	900	6.4	600	16	900	20	980	54	210/187	27.4	453	0.293
JMF4-11520AL	48	2000	5.6	1170	28	2000	17	2260	96	74/68.9	13.7	226	0.081
JMF4-11520BL	48	1000	5.6	580	15	1000	17	880	50	271/252	26.1	432	0.3
JMF4-11540AL	48	1000	10.4	1090	26	1000	34	1910	96	148/138	27.3	452	0.126
JMF4-11540BL	48	500	10.8	560	16	500	34	810	58	426/396	46.3	766	0.364
JMF4-12720AL	48	1800	7	1330	33	1800	21	2690	112	67.6/63.2	14.6	241	0.065
JMF4-12720BL	48	1000	7	730	18	1000	21	1170	62	224/209	26.5	438	0.21
JMF4-12740AL	48	900	13.1	1230	30	900	42	2330	112	135/127	29.2	482	0.099
JMF4-12740BL	48	450	13.1	620	17	450	42	900	62	447/418	53	880	0.325

Summary Table of Structural Dimensions and Weights for the JMF4 Series

Model	Rotor Inertia (×10⁻³ kg·cm²)	Number of Poles (2P)	Stator Core Length A (mm)	Rotor Core Length B (mm)	Stator Length C (mm)	Weight (g)
JMF4-03806AT	0.014	20	6	9	12.4	50
JMF4-03806BT	0.014	20	6	9	12.4	50
JMF4-03806CT	0.014	20	6	9	12.4	50
JMF4-03812AL	0.024	20	12	15	18.4	75
JMF4-03812BL	0.024	20	12	15	18.4	75
JMF4-03812CL	0.024	20	12	15	18.4	75
JMF4-04310AL	0.045	20	10	14	17.5	80
JMF4-04310BL	0.045	20	10	14	17.5	80
JMF4-04310CL	0.045	20	10	14	17.5	80
JMF4-04320AL	0.078	20	20	24	27.5	135
JMF4-04320BL	0.078	20	20	24	27.5	135
JMF4-04320CL	0.078	20	20	24	27.5	135
JMF4-05008AL	0.0077	20	8	13	16.5	97
JMF4-05008BL	0.0077	20	8	13	16.5	97
JMF4-05008CL	0.0077	20	8	13	16.5	97
JMF4-05013AL	0.011	20	13	18	21.5	135
JMF4-05013BL	0.011	20	13	18	21.5	135
JMF4-05013CL	0.011	20	13	18	21.5	135
JMF4-05026AL	0.018	20	26	32	34.5	240
JMF4-05026BL	0.018	20	26	32	34.5	240
JMF4-05026CL	0.018	20	26	32	34.5	240
JMF4-06008AL	0.008	20	8	13	17.1	140
JMF4-06008BL	0.008	20	8	13	17.1	140
JMF4-06008CL	0.008	20	8	13	17.1	140
JMF4-06013AL	0.012	20	13	18	22.1	195
JMF4-06013BL	0.012	20	13	18	22.1	195
JMF4-06013CL	0.012	20	13	18	22.1	195
JMF4-06026AL	0.026	20	26	31	35.1	345
JMF4-06026BL	0.026	20	26	31	35.1	345
JMF4-06026CL	0.026	20	26	31	35.1	345
JMF4-07010AL	0.031	20	10	16	21.2	225
JMF4-07010BL	0.031	20	10	16	21.2	225
JMF4-07010CL	0.031	20	10	16	21.2	225
JMF4-07018AL	0.044	20	18	23	29.2	345
JMF4-07018BL	0.044	20	18	23	29.2	345
JMF4-07018CL	0.044	20	18	23	29.2	345
JMF4-07608AL	0.045	20	8	15	20.1	210
JMF4-07608BL	0.045	20	8	15	20.1	210
JMF4-07608CL	0.045	20	8	15	20.1	210
JMF4-07613AL	0.059	20	13	20	25.1	305
JMF4-07613BL	0.059	20	13	20	25.1	305
JMF4-07613CL	0.059	20	13	20	25.1	305
JMF4-07626AL	0.097	20	26	33	38.1	560
JMF4-07626BL	0.097	20	26	33	38.1	560
JMF4-07626CL	0.097	20	26	33	38.1	560
JMF4-08508AL	0.076	20	8	15	21	305
JMF4-08508BL	0.076	20	8	15	21	305
JMF4-08508CL	0.076	20	8	15	21	305
JMF4-08513AL	0.097	20	13	19	26	410
JMF4-08513BL	0.097	20	13	19	26	410
JMF4-08513CL	0.097	20	13	19	26	410
JMF4-08526AL	0.163	20	26	32	39	700
JMF4-08526BL	0.163	20	26	32	39	700
JMF4-08526CL	0.163	20	26	32	39	700
JMF4-09408AL	0.103	20	8	14	20.5	390
JMF4-09408BL	0.103	20	8	14	20.5	390
JMF4-09408CL	0.103	20	8	14	20.5	390
JMF4-09413AL	0.131	20	13	19	25.5	520
JMF4-09413BL	0.131	20	13	19	25.5	520
JMF4-09413CL	0.131	20	13	19	25.5	520
JMF4-09426AL	0.221	20	26	32	38.5	880
JMF4-09426BL	0.221	20	26	32	38.5	880
JMF4-09426CL	0.221	20	26	32	38.5	880
JMF4-10415AL	0.225	30	15	21	27	570
JMF4-10415BL	0.225	30	15	21	27	570
JMF4-10430AL	0.386	30	30	36	42	985
JMF4-10430BL	0.386	30	30	36	42	985
JMF4-11520AL	0.42	30	20	27	32.2	960
JMF4-11520BL	0.42	30	20	27	32.2	960
JMF4-11540AL	0.73	30	40	47	52.2	1710
JMF4-11540BL	0.73	30	40	47	52.2	1710
JMF4-12720AL	0.657	30	20	27	32.2	1300
JMF4-12720BL	0.657	30	20	27	32.2	1300
JMF4-12740AL	1.14	30	40	47	52.2	2300
JMF4-12740BL	1.14	30	40	47	52.2	2300