Johnford DMC-3100SH
Image: johnford.com.tw, Johnford
Key Specifications
Spindle Taper
Tool Capacity
Table Size
Spindle Power
distance between columns
x axis travel
How much does the Johnford DMC-3100SH cost?
Price estimate
We do not have a price for the Johnford DMC-3100SH 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
For three-metre steel parts that need heavy cuts, the Johnford DMC-3100SH is the first machine in the range where frame and spindle are matched to the job. It combines 3,100 x 1,778 x 800 mm (122 x 70 x 31.5 in) travels with a BT-50 / CAT-50 spindle and a 22 / 26 kW (29.5 / 34.9 hp) Hi Lo Gear drive.
Compare it with the DMC-3100H, which has the same taper but 1,300 mm (51.2 in) of Y, a 15 / 18.5 kW (20.1 / 24.8 hp) geared motor and a table rated 6,000 kg (13,200 lb). The SH carries 10,000 kg (22,000 lb). A three-metre cast iron bed or a welded frame of that length is more likely to stay inside ten tonnes than six, so for such parts the SH removes the main reservation about the smaller frame.
It gives something up in return. Rapid traverse is 12 m/min (472 ipm) in X, Y and Z, and the footprint is 8,693 x 4,600 x 3,883 mm (342.2 x 181.1 x 152.9 in). The machine weighs 26,000 kg (57,270 lb), slightly less than the 26,800 kg (59,000 lb) of the DMC-3100H despite the wider table.
Tooling limits are those of the 50-taper changer: Ø200 mm (Ø7.8 in) without adjacent tools, 400 mm (15.7 in) long, 15 kg (33 lb). Standard speed is 6,000 rpm. A built-in spindle at 10,000 rpm, rated 26 / 31 kW (34.9 / 41.6 hp) or 31 / 40 kW (41.6 / 53.6 hp), is offered for shops that finish as well as rough.
Full Specifications
| Parameter | Value |
|---|---|
| Distance Between Columns | 1,796 mm (70.7 in) |
| Table Size | 3,200 x 1,500 mm (126 x 59 in) |
| X Axis Travel | 3,100 mm (122 in) |
| Y Axis Travel | 1,778 mm (70 in) |
| Z Axis Travel | 800 mm (31.5 in) |
| Distance Spindle Nose to Table | 150~950 mm (5.9~37.4 in) |
| Spindle Taper | BT-50 / CAT-50; HSK A100(Opt.) |
| Spindle Bearing Diameter | 90 mm (3.5 in) |
| Spindle Speed | 6,000; 10,000 rpm |
| Spindle Motor Power | 22 / 26 kW (29.5 / 34.9 hp) Hi Lo Gear; 26 / 31 kW (34.9 / 41.6 hp) or 31 / 40 kW (41.6 / 53.6 hp) Built-in |
| Rapid Traverse Xyz | 12 / 12 / 12 m/min (472 / 472 / 472 ipm) |
| Cutting Feed Rate | 1~10,000 mm/min (0.04~394 ipm) |
| Max Tool Diameter Adjacent Pockets | Ø125 mm (Ø5 in) |
| Tool Capacity | Arm type 24 ; 32 / 40 (Opt.) |
| Max Tool Diameter (full magazine) | Ø200 mm (Ø7.8 in) |
| Max Tool Length | 400 mm (15.7 in) |
| Max Tool Weight | 15 kg (33 lb) |
| Tool Selection | Bi-direction random type, Shortest path |
| Max Table Load | 10,000 kg (22,000 lb) |
| Machine Dimensions | 8,693 x 4,600 x 3,883 mm (342.2 x 181.1 x 152.9 in) |
| Machine Weight | 26,000 kg (57,270 lb) |
Specifications sourced from johnford.com.tw — verified 2026-10-04
Strengths & Limitations
Strengths
- 10,000 kg (22,000 lb) table load, against 6,000 kg (13,200 lb) on the DMC-3100H
- 22 / 26 kW (29.5 / 34.9 hp) geared 50-taper spindle on a 90 mm (3.5 in) bearing
- 3,100 mm (122 in) of X and 1,778 mm (70 in) of Y over a 3,200 x 1,500 mm (126 x 59 in) table
- Accepts Ø200 mm (Ø7.8 in) cutters with adjacent pockets empty
Limitations
- 12 / 12 / 12 m/min (472 / 472 / 472 ipm) rapids
- 6,000 rpm standard speed; 10,000 rpm requires a built-in spindle
- Y travel of 1,778 mm (70 in), where the DMC-3100PH has 2,300 mm
- 24 tools as standard, with larger magazines as options
Best For
Frequently Asked Questions
01
Width and mass. The DMC-3100PH has 2,300 mm of Y travel, 2,400 mm (94.4 in) between columns, a 3,200 x 2,050 mm (126 x 80.7 in) table and weighs 35,000 kg (77,000 lb). The DMC-3100SH has 1,778 mm (70 in) of Y and weighs 26,000 kg (57,270 lb). Both carry 10,000 kg (22,000 lb).
02
22 / 26 kW (29.5 / 34.9 hp) with the standard Hi Lo Gear drive. The optional built-in spindles are rated 26 / 31 kW (34.9 / 41.6 hp) or 31 / 40 kW (41.6 / 53.6 hp).
03
Two screw type conveyors and one chain type conveyor with a trolley are standard accessories. A scraper type conveyor with a magnetic separator is listed as an option, which is the usual choice for cast iron.
04
Johnford lists a 5-Face milling head among the optional accessories of the DMC-S series, together with NC 2-Axis, universal and orthogonal heads. None of them is part of the standard machine.
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