wuxi machine tools co., ltd.(wuxi machine tool factory)，centerless grinding machine、internal grinding machine、bearing machine、roll grinding machine、electric spindle

the electric spindle is a set of components, which includes electric spindle main body and its accessories: electric spindle, high frequency and frequency conversion device, oil mist lubricator, cooling device, built-in encoder and tool changer, etc. the rotor of the electric motor shall directly serve as the spindle of machine tool; shell of the spindle unit is the motor base. we realize the integration of electric motor and machine tool spindle with the support of other spare parts.

i. technical parameter of the oil grease lubricated (water cooling) grinding electric spindle

model	motor parameter					bearing	physical dimension					shaft end size					remarks
model	rotation speed (r/ min)	power (kw)	voltage (v)	current (a)	frequency (hz)	bearing	φa	φb	l	l1	l2	φc	φd	m	l3	l4	remarks
dm3z12/21	3000	12	350	25	100	7217x2 7012x2	210		700		25	80	external cone 1:5 length 62				gas sealingkz210-3/12z
dm6z6/17	6000	6	220	24	200	7210x2 7207x2	170	120	310	60	30	45	25	m20x1.5	34	24	sd6-4
dm7.5z15/17	7500	15	350	40	250	7013x2 7008x2	170	144	420	64	20	62	36	m36x2	60	20	gas sealingd170m7.5z sealed ceramic bearing
dm9z15/17	9000	15	350	24	200	7011x2 7207x2	170	135	310	60	25	53	33	m33x1.5	46	28	sd9-4/1
dm12z4.5/15	12000	4.5	290	15	400	7208x2 7207x2	150	120	260	60	20	37	20	m16x1.5	45	20	sd12-4a
dm12z20/17	12000	20	350	50	400	7012x2 7008x2	170	140	420	62	18	58	33	m33x1.5	45	20	gas sealingd170m12z sealed ceramic bearing
dm18z9/17	18000	9	350	21	600	7008x2 7007x2	170	110	285	39	18	38	22	m22x1.5	40	15	3sdz18
dm18z18/17	18000	18	350	42	600	7010x2 7007x2	170	130	384	58	20	48	27	m27x1.5	45	15	gas sealingd170m18z sealed ceramic bearing
dm24z4/14	24000	4	350	9.5	800	7006x2 7005x2	140	85	230	35	15	28	16	m16x1.5	29	23	2sd24a
dm24z7/14	24000	7	350	15	800	7007x2 7005x2	140	102	236	50	15	33	16	m16x1.5	30	20	3sdz24a
dm24z16/17	24000	16	350	37	800	7008x2 7007x2	170	120	369	54	18	38	22	m22x1.5	40	15	gas sealingd170m24z sealed ceramic bearing
dm30z13/15	30000	13	350	30	1000	7007x2 7005x2	150	110	323	54	16	33	16	m16x1.5	30	20	gas sealingd150m30z sealed ceramic bearing
dm36z13/15	36000	13	350	25	1200	7006x2 7005x2	150	103	323	52	16	28	16	m16x1.5	30	20	gas sealingd150m36z sealed ceramic bearing
dm42z9/12	42000	9	350	20	700	7005x2 7004x2	120	86	261	49	11	23	14	m14x1.5	22	20	gas sealingd120m42z sealed ceramic bearing
dm51z8/12	51000	8	350	18	850	71904x2 7003x2	120	92	248	32	10	18	10	m10	18	15	gas sealing可選d120m51z/1 sealed ceramic bearing
dm60z6/12	60000	6	350	14	1000	7003x2 7003x2	120	77	250	47	10	16	8	m8	16	15	gas sealingd120m60z sealed ceramic bearing
dm75z5/12	75000	5	350	12	1250	7002x2 7002x2	120	77	228	47	10	14	8	m8	16	15	gas sealingd120m75z sealed ceramic bearing

ii. technical parameter of the oil mist lubricated (water cooling) electric spindle

model	motor parameter					bearing	physical dimension					shaft end size					remarks
model	rotation speed (r/min)	power (kw)	voltage (v)	current (a)	frequency (hz)	bearing	φa	φb	l	l1	l2	φc	φd	m	l3	l4	remarks
dm7y30/23w	7000	30	350	68	234	7217x2 7012x2	230		621		28	78	external cone 1:5 length 140				3mk2332-ly-91 3mk2225-91
dm9y22/21	9000	22	350	48	300	7214x4 7208x2	210		580		24	65	42	m42x2	55	50	5sd9-4
dm9y22/21w	9000	22	350	48	300	7214x4 7208x2	210		580		74	65	external cone 1:5 length 70				3mk2025-wt-91
dm9y20/17	9000	20	350	43	300	7013x2 7008x2	170	144	410	62	17	62	36	m36x2	60	20	5sd9-4b
dm12y10/17	12000	10	350	23	400	7011x2 7207x2	170	130	315	53	18	53	33	m33x1.5	46	21	4sd12-4a
dm12y20/17	12000	20	350	43	400	7012x2 7008cx2	170	140	410	56	18	58	33	m33x1.5	45	20	5sd12-4b
dm15y18/17	15000	18	350	38	500	7011x2 7008x2	170	140	369	56	18	53	33	m33x1.5	45	20	5sd15-4b
dm18y12/17	18000	12	350	26	600	7010x2 7008x2	170	130	315	44	16	48	27	m27x1.5	45	15	4sd18-4a
dm18y18/17	18000	18	350	38	600	7010x2 7008x2	170	130	344	49	18	48	27	m27x1.5	42	20	5sd18-4b
dm18y20/17	18000	20	350	43	600	7012x2 7008x2	170	140	369	56	18	53	33	m33x1.5	45	20	5sd18-4ceramic bearing
dm24y12/17	24000	12	350	28	800	7008x2 7007x2	170	120	306	36	17	38	22	m22x1.5	40	15	4sd24-4a
dm24y14/15	24000	14	350	35	800	7009x2 7007x2	150	120	327	54	18	43	24	m24x1.5	42	20	5sd24-4b
dm24y16/17	24000	16	350	33	800	7011x2 7008x2	170	140	337	56	18	53	33	m33x1.5	45	20	5sd24-4/1ceramic bearing
dm30y7.5/14	30000	7.5	350	17	1000	7007x2 7006x2	140	105	254	44	12	33	16	m16x1.5	30	20	4ssd30-4
dm30y13/15	30000	13	350	30	1000	7007x2 7006x2	150	110	281	41	13	33	16	m16x1.5	30	20	5sd30-4b
dm36y5.5/14	36000	5.5	350	12	600	7006x2 7005x2	140	100	262	44	14	28	14	m14x1.5	24	17	4sd36a
dm36y9/12	36000	9	350	23	1200	7006x2 7005cx2	120	96	267	46	12	28	16	m16x1.5	30	20	5sd36-4b
dm36y13/15	36000	13	350	30	1200	7007x2 7006x2	150	110	281	41	13	33	16	m16x1.5	30	20	5sd36-4ceramic bearing
dm42y5/12	42000	5	350	11	700	7005x2 7003cx2	120	85	237	38	10	23	14	m14x1.5	22	20	4sd42
dm42y9/120	42000	9	350	20	700	7005x2 7004cx2	120	96	277	39	12	23	14	m14x1.5	22	20	5sd42b
dm51y4/12	51000	4	350	9	850	7004x2 7003x2	120	90	235	24	10	18	10	m10	18	15	4sd51a
dm51y8/12	51000	8	350	17	850	7004x2 7003x2	120	90	229	36	10	18	10	m10	18	15	5sd51b
dm60y2.5/10	60000	2.5	350	6	1000	7002x2 7001x2	100	70	180	22	9	14	8	m8	15	15	3sdz60x10
dm60y3.5/10	60000	3.5	350	8.5	1000	7003x2 7003cx2	100	70	213	20	10	16	8	m8	16	15	4sd60b
dm60y6/12	60000	6	350	15	1000	7003x2 7002x2	120	70	220	30	11	16	8	m8	16	15	5sd60bceramic bearing
dm75y2.5/10	75000	2.5	350	6	1250	7002x2 7001cx2	100	70	180	22	9	14	8	m8	15	15	4sd75
dm75y5/12	75000	5	350	12	1250	7002x2 7002x2	120	70	200	27	10	14	8	m8	16	15	5sd75bceramic bearing
dm90y2.5/10	90000	2	350	5	1500	7001x2 7001x2	100	70	171	24	7	16	6	m6	11	13	4sd90ceramic bearing

iii. xyddzz equipped with imported built-in motor, imported bearing, imported encoder (optional), high accuracy, high power, high rigidity, long service life and substitutable imported electric spindle.

model	motor parameter					bearing	physical dimension					shaft end size					remarks
model	rotation speed (r/min)	power (s1, kw)	voltage (v)	current (a)	frequency (hz)	bearing	φa	φb	l	l1	l2	φc	φd	m	l3	l4	remarks
dm6y30/21	6000	30	350	75	200	90bnr10sx4 7009x2	210		690		25	87	52	m52x1.5	70	25	kz210-6/30
dm7.7q48t21w	7700	48	425	97	257	90bnr10sx4 7010x2	210		768		28	78	external cone 1:5 length 140				kz210-9/48t with encoder
dm7.7q48t21	7700	48	425	97	257	90bnr10sx4 7010x2	210		768		28	78	52	m52x1.5	70	25	3mk2350-wz1-91 with encoder
dm12q26t17	12000	25.5	425	46	400	75bnr10hx2 40bnr10hx2	170		555		17	73	36	m36x2	60	20	kz170-12/25.5t with encoder
dm18y24/17	18000	24	380	48	600	65bnr10hx2 40bnr10hx2	170		501		17	63	36	m36x2	55	25	kz170-18/24
dm19q24t17	19000	23.9	425	44	634	75bnr10hx2 40bnr10hx2	170		530		17	73	36	m36x2	60	20	kz170-19/23.9t with encoder
dm24q13t15	24000	12.6	425	25	800	60bnr10hx2 35bnr10sx2	150		430		17	58	33	m33x1.5	56	15	kz150-24/12.6t with encoder
dm30y19/15	30000	19	350	53	1000	55bnr10hx2 30bnr10sx2	150		430		17	53	33	m33x1.5	56	15	kz150-30/19
dm42y16/15	42000	16	350	35	1400	40bnr10hx2 25bnr10sx2	150		390		17	38	22	m22x1.5	44	20	kz150-42/16
dm100y1.5/8	100000	1.5	220	5.5	1667	hysm6001x2	80		254		11		external thread m12x0.75 内(nèi)錐孔1:10				kz80-100/1.5 water outflow from the center hole of the rotor

iv. technical parameter of electric dressing spindle of the abrasive wheel

model	motor parameter					bearing	cooling method	lubricating method	physical dimension		remarks
model	rotation speed (r/min)	power (kw)	voltage (v)	current (a)	frequency (hz)	bearing	cooling method	lubricating method	φa	l	remarks
scz60a	12000	0.15	115	1.5	200	7003x2> 7200x1	water	oil grease	60	190	gas sealing
scz60b	12000	0.15	115	1.5	200	7003x2> 7200x1	water	oil grease	60	190	gas sealing > flange connection
d80m08z	8000	0.45	220	1.8	134	71907x1> 7003x1	water	oil grease	80	224	gas sealing

v. technical parameter of abrasive wheel shaft

model	rotation speed (r/min)	physical dimension				quill mounting dimensions				bearing	type of quill mounting
model	rotation speed (r/min)	φa	φb	l	l0	φc	m	l1	l2	bearing	type of quill mounting
sj6-25	24000	60	18	250	20	14	m6	32	15	7204p5x4	a
sj6-25/1	24000	60	18	250	20	14	m6	32	15	7204p4x4	a
sj8-25	18000	80	28	250	20	20	m10	49	21	7206p5x4	a
sj8-25/1	18000	80	28	250	20	20	m10	49	21	7206p4x4	a
sj8-35/1	18000	80	28	350	20	20	m10	49	21	7206p4x4	a
sj8-45/1	18000	80	28	450	20	20	m10	49	21	7206p4x4	a
sj10-25	11000	100	37	250	40	25	m10	60	22	7208p5x4	a
sj10-25/1	11000	100	37	250	40	25	m10	60	22	7208p4x4	a
sj10-40a	11000	100	37	400	145	22	m10	50	22	7208p5x4	a
sj10-55	4000	100	30	550	46	-	m12	-	-	7208p5x4	b
sj12-45	9000	120	45	450	50	25	m16x1.5	43	24	7211p5x4	c
sj16-50/1	2300	160	90	500	65	-	-	-	-	7016acp4x2 nn3016kp4c1w33x1 nn3014kp4c1w33x1	b 1:10
sj16-50/3	2300	160	90	500	65	-	-	-	-	7016x4 7014x2	b 1:10
sj17-35/1	4500	170	65	350	106	32	20x1.5	55	25	7215p5x4	b/c
sj19-45g/1	1340	190	70	450	50	-	-	-	-	c697516x1 32216x1	b
m2120a-33a	5000	100	35	500	50	-	12	-	-	7008p4x4	b
m2120a-34a	12000	120	48	370	-	30	20x1.5	15	20	7210p4x4	c
wx004-91	17000	80	50	400	-	30	m10	12	19	7206p4x4	c
wx004-92	11000	100	60	400	-	35	m10	14	23	7208cp4x4	c

core business

electric main spindle of the machine tool