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Mongtec pipe centres and heavy-workpiece centres

41 article numbers across the MPC, MTH, MHG series. Bull-nose centres for tube, nut-adjustable centres for heavy cutting, and large grinding centres rated to 25,000 kg of workpiece. Mongtec Precision is a Taiwanese brand, designed and engineered in Taichung, Taiwan.

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MPC — pipe centres

A pipe or a tube has no centre hole to put a point in; it has a bore, and what supports it is a cone bearing on the inside edge of that bore. The MPC series is that cone. MPC80 carries an 80° head in Ø59–200 mm, MPC60L a 60° head with the stepped two-level point that clears the tool, and the DK90 variant is the BT30-16L execution. All are head-rotation types at max 0.003 mm run-out, and all have a head whose accuracy can be adjusted and taken up with the nut.

MTH — heavy cutting

Catalogued for heavy cutting, and the reason is the same nut: adjustable to wobble of center axis by nut. A centre that has taken a heavy cut for a year develops play; on the MTH that play is taken up rather than replaced. Morse 3 to Morse 6, Ø49–126 mm head, max 0.003 mm. The G-prefixed article numbers are the larger-head execution on the same Morse 5 taper.

The Swiss-type entries in the tables below are the connection sleeves that let a live centre be used on a small sliding-headstock lathe, in MT and ST shank forms.

MHG — large grinding centres

These are a different class of object: a Ø178–310 mm body on a Morse 6, Morse 7 or 1:10 / 1:20 taper, carrying up to 25,000 kg of workpiece at max 0.005 mm run-out, with a contactless seal and a drain hole. They are for cylindrical grinders and large-part turning, and the catalogue notes that special sizes can be produced. The MHGN variant adds the ΦD1 flange dimension.

Article numbers — dimensions in mm

Dimension symbols are the catalogue's own and refer to the dimension drawing printed for each series. Quote the series name together with the model number — the same model number is used in more than one series, so "MSNN 2601001" identifies a part and "2601001" on its own does not. A dash means the catalogue does not print a usable value for that cell; those are confirmed in writing at RFQ.

MPC80 — 4 article numbers

Model No	Taper	ΦD	Φd	L	L1	L2	L3	L4	L5	Weight(kg)	R.P.M	RunOut(mm)
3205001	MT3	59	20	143	85	58	12.3	44.7	6	400	4,000	0.003
4205001	MT4	125	30	180	108	72	15.4	56.6	8	800	3,000	0.003
5205001	MT5	150	35	220	136	84	15.5	68.5	8	1,600	2,000	0.003
6205001	MT6	200	38	305	189	116	19.5	96.5	10	2,500	1,500	0.003

DK90 BT30-16L — 5 article numbers

Model No	Taper	ΦD	L	L1	L2	L3	L4	Weight(kg)	R.P.M	RunOut(mm)
2005001	MT2	44	134	68	66	28.3	6	400	5,000	0.003
3005001	MT3	56	163	85	78	30	6	400	5,000	0.003
4005001	MT4	78	208	108	100	33	8	800	3,800	0.003
5005001	MT5	98	261	136	125	41	8	1,600	3,000	0.003
6005001	MT6	118	343	189	154	52.7	10	2,500	2,800	0.003

MPC60L — 5 article numbers

Model No	Taper	ΦD	Φd	L	L1	L2	L3	L4	L5	Weight(kg)	R.P.M	RunOut(mm)
2105001	MT2	44	12	147	68	79	31.3	20	6	300	5,000	0.003
3105001	MT3	56	12	173	85	88	30	20	6	300	5,000	0.003
4105001	MT4	78	16	218	108	110	33	23.4	8	550	3,800	0.003
5105001	MT5	98	19	276	136	140	41	30.6	8	1,200	3,000	0.003
6105001	MT6	118	20	353	189	164	46.1	33	10	2,000	2,800	0.003

MTH — 5 article numbers

Model No	Taper	ΦD	Φd	L	L1	L2	L3	L4	L5	Weight(kg)	R.P.M	RunOut(mm)
3006001	MT3	49	25	154	85	69	43	26	6	500	4,000	0.003
4006001	MT4	66	31.4	194.5	108	86.5	49.5	37	8	1,000	3,000	0.003
5006001	MT5	81	40	242	136	106	61	45	8	2,000	2,500	0.003
G5006001	MT5	93	40	250	136	114	71	43	8	2,500	2,000	0.003
6006001	MT6	126	60	334.2	189	145.2	85.2	60	10	4,500	1,000	0.003

MTHC — 5 article numbers

Model No	Taper	ΦD	Φd	L	L1	L2	L3	L4	L5	ΦC	Weight(kg)	R.P.M	RunOut(mm)
3106001	MT3	49	25	154	85	69	43	26	6	10	300	4,000	0.003
4106001	MT4	66	31.4	194.5	108	86.5	49.5	37	8	14	1,000	3,000	0.003
5106001	MT5	81	40	242	136	106	61	45	8	18	2,000	2,500	0.003
G5106001	MT5	93	40	250	136	114	71	43	8	18	2,500	2,000	0.003
6106001	MT6	126	60	334.2	189	145.2	85.2	60	10	30	4,500	1,000	0.003

SWISS TYPE MACHINE — table 1 — 2 article numbers

Model No	Taper	ΦD	ΦD1	L	L1	L2	RunOut(mm)
2001002	MT2	33	56	62	48	14	0.003
2101002	MT2	32	50	75	55	20	0.003

SWISS TYPE MACHINE — table 2 — 5 article numbers

Model No	Taper	ΦD	Φd	Φd1	L	L1	L2	L3	L4	L5	Weight(kg)	R.P.M	RunOut(mm)
2004001	MT2	30	—	27	123	75	48	22	26	4.5	200	4,000	0.003
ATS2004001	ST19.05	30	19.05	27	123	75	48	22	26	4.5	200	4,000	0.003
BTS2004001	ST25	30	25	27	133	85	48	22	26	4.5	200	4,000	0.003
CTS2004001	ST32	30	32	27	148	100	48	22	26	4.5	200	4,000	0.003
DTS2004001	ST33	30	33	27	148	100	48	22	26	4.5	200	4,000	0.003

MHG — 7 article numbers

Model No	Taper	ΦD	Φd	Φd1	L	L1	L2	L3	L4	L5	MAX Weight(kg)	MAX R.P.M	MAX RunOut(mm)
06G6001	MT6	165	79	3	400.7	191	209.7	138	71.7	12	8,000	800	0.005
57G6001	MT6	165	79	3	384.4	191	193.4	138	55.4	12	8,000	800	0.005
06G7001	MT7	165	79	3	469.7	260	209.7	138	71.7	12	10,000	800	0.005
57G7001	MT7	165	79	3	453.4	260	193.4	138	55.4	12	10,000	800	0.005
08GH	1:10 / 1:20	178	109	3	442.3	203	239.3	138	101.3	10	10,000	850	0.005
001GH	1:10 / 1:20	218	109	3	534.6	250	—	193	91.6	10	15,000	750	0.005
021GH	1:10 / 1:20	310	124	3	619.5	268.5	351	242.5	108.4	15	25,000	500	0.005

MHGN — 3 article numbers

Model No	Taper	ΦD	ΦD1	Φd	Φd1	L	L1	L2	L3	L4	L5	MAX Weight(kg)	MAX R.P.M	MAX RunOut(mm)
MHGN80	1:10 / 1:20	178	190	109	3	442.3	203	239.3	138	101.3	10	10,000	850	0.005
MHGN100	1:10 / 1:20	218	228	109	3	534.6	250	284.6	193	91.6	10	15,000	750	0.005
MHGN120	1:10 / 1:20	310	320	124	3	619.5	268.5	351	242.5	108.4	15	25,000	500	0.005

Source: Mongtec Precision Center catalogue, Ver 2026 (drive centres).

Check the Morse taper of your tailstock before ordering. A centre is made for one taper and cannot be adapted without a sleeve, and a sleeve costs rigidity at exactly the point where you want it. Send Mongtec the machine make, model and tailstock taper with the RFQ.

Frequently asked

What angle should a pipe centre be?

It depends on the wall and the bore edge, not a rule. Mongtec catalogues 80 degrees (MPC80) and 60 degrees (MPC60L). Send the tube OD, ID and wall thickness with the RFQ and the right head is quoted.

Can the MHG take a workpiece heavier than 25,000 kg?

25,000 kg is the largest figure in the catalogue table, for the 021GH and MHGN120 sizes. The series is explicitly offered in special sizes — ask.

What is the nut on the MTH for?

Taking up wobble in the centre axis. It is a service adjustment, not a clamping nut: as the bearing wears under heavy cutting the nut restores the running accuracy.