Johnford DMC-3100
Key Specifications
Spindle Taper
Tool Capacity
Table Size
Spindle Power
distance between columns
x axis travel
How much does the Johnford DMC-3100 cost?
Price estimate
We do not have a price for the Johnford DMC-3100 that we can stand behind, so we show no number. Configuration, options and installation move the final price a long way: a quote is the reliable figure.
Overview
The Johnford DMC-3100 is a three metre double column machining center with a BT-40 / CAT-40 spindle: 3,050 mm (120 in) of X travel, 1,300 mm (51.2 in) of Y and 800 mm of Z over a 3,200 x 1,100 mm table. It weighs 26,800 kg (59,000 lb).
From this length upward, the X axis slows down. Rapid traverse is 12 / 15 / 12 m/min (472 / 591 / 472 ipm), so the table moves at 12 m/min while the cross axis keeps the 15 m/min of the shorter models on the frame. Cutting feed runs 1~10,000 mm/min. On a part three metres long the X rapid sets how long the spindle takes to return for a tool change, and programs are worth planning around it.
What stays constant is the cross-section. Like the DMC-1600 and DMC-2100, the DMC-3100 has 1,300 mm (51.2 in) between columns, 150~950 mm (5.9~37.4 in) from spindle nose to table, and a 6,000 kg (13,200 lb) table load. The rating does not grow with length, which suits the long, comparatively light parts a 40-taper spindle is chosen for: aluminium beams and skins, rails, long plates and pattern work.
The spindle is either a 7.5 / 11 kW (10.1 / 14.8 hp) geared drive at 8,000 rpm or a 17 / 20 kW (22.8 / 26.8 hp) built-in HSK A63 spindle at 15,000, 18,000 or 20,000 rpm. Options for the series include linear scales on X, Y or Z and high pressure coolant through the spindle at 20 bar. Plan for 8,515 x 3,300 x 3,835 mm (335 x 130 x 151 in) of space, since the table needs its travel on both sides of the bridge.
Full Specifications
| Parameter | Value |
|---|---|
| Distance Between Columns | 1,300 mm (51.2 in) |
| Table Size | 3,200 x 1,100 mm |
| X Axis Travel | 3,050 mm (120 in) |
| Y Axis Travel | 1,300 mm (51.2 in) |
| Z Axis Travel | 800 mm |
| Distance Spindle Nose to Table | 150~950 mm (5.9~37.4 in) |
| Spindle Taper | BT-40 / CAT-40; HSK A63(Opt.) |
| Spindle Bearing Diameter | 70 mm (2.8 in) |
| Spindle Speed | 8,000, 10,000/12,000 rpm (Opt.); 15,000, 18,000, 20,000 rpm |
| Spindle Motor Power | 7.5 / 11 kW (10.1 / 14.8 hp) Hi Lo Gear; 17 / 20 kW (22.8 / 26.8 hp) Built-in |
| Rapid Traverse Xyz | 12 / 15 / 12 m/min (472 / 591 / 472 ipm) |
| Cutting Feed Rate | 1~10,000 mm/min (0.04~394 ipm) |
| Max Tool Diameter Adjacent Pockets | Ø75 mm (Ø3 in) |
| Tool Capacity | Arm type 24 / 32 / 40 (Opt.) |
| Max Tool Diameter (full magazine) | Ø100 mm (Ø4 in) |
| Max Tool Length | 320 mm (12.6 in) |
| Max Tool Weight | 10 kg (22 lb) |
| Tool Selection | Bi-direction random type, Shortest path |
| Max Table Load | 6,000 kg (13,200 lb) |
| Machine Dimensions | 8,515 x 3,300 x 3,835 mm (335 x 130 x 151 in) |
| Machine Weight | 26,800 kg (59,000 lb) |
Specifications sourced from johnford.com.tw — verified 2026-10-04
Strengths & Limitations
Strengths
- 3,050 mm (120 in) of X travel with 1,300 mm (51.2 in) of Y on a double column frame
- 26,800 kg (59,000 lb) machine weight
- Built-in 17 / 20 kW (22.8 / 26.8 hp) spindle to 20,000 rpm for long light-alloy parts
- Y rapid stays at 15 m/min (591 ipm)
- 24-tool arm type ATC, full enclosure and three chip conveyors are standard
Limitations
- X rapid drops to 12 m/min (472 ipm)
- 6,000 kg (13,200 lb) table load is no higher than on the much shorter DMC-1600
- Geared spindle is 7.5 / 11 kW (10.1 / 14.8 hp)
- 8,515 mm (335 in) of machine length
Best For
Frequently Asked Questions
01
3,050 mm (120 in) in X, 1,300 mm (51.2 in) in Y and 800 mm in Z. The table is 3,200 x 1,100 mm and the distance between columns is 1,300 mm (51.2 in).
02
Rapid traverse is 12 / 15 / 12 m/min (472 / 591 / 472 ipm) in X, Y and Z. The DMC-2100, one size shorter, is listed at 15 / 15 / 12 m/min. Cutting feed is 1~10,000 mm/min on both.
03
6,000 kg (13,200 lb). The machine itself weighs 26,800 kg (59,000 lb) and measures 8,515 x 3,300 x 3,835 mm (335 x 130 x 151 in).
04
Yes. The DMC-3100H has a BT-50 / CAT-50 spindle with a 15 / 18.5 kW (20.1 / 24.8 hp) Hi Lo Gear drive and tools up to 15 kg (33 lb), on the same frame, table load and weight.
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