Johnford ST-100BH
Key Specifications
Max Spindle
Rapid Traverse
Spindle Power
swing over bed
swing over cross slide
chuck size
How much does the Johnford ST-100BH cost?
Price estimate
We do not have a price for the Johnford ST-100BH 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
A flanged shaft of a little over two metres is the typical job for the Johnford ST-100BH, which has 2,400 mm (94.5 in) of Z travel and 800 mm (31.5 in) of swing over the cross slide.
The shaft section runs at up to 2,000 rpm in a 381 mm (15 in) chuck, or a 450 mm (17.7 in) one. The flange is where the frame earns its place. With 420 mm (16.5 in) of X travel the turret reaches the rim, and with the optional C axis, live tool turret and Y axis of ±75 mm (±3 in) the bolt holes and keyways can be machined in the same setup.
Those options are worth pricing together. A C axis alone positions the part; the live tool turret does the drilling; the Y axis is needed only for features off the center plane, such as keyways with parallel sides.
The B spindle has a 132.5 mm (5.2 in) bore and 116 mm (4.6 in) of bar capacity, with 22 / 26 kW (29.5 / 34.9 hp) as standard. Tailstock travel is 2,100 mm (82.7 in) on a Ø200 mm (7.9 in) MT#7 quill. Weight is 16,600 kg (36,520 lb), and the machine is 7,812 mm (307.6 in) long.
Full Specifications
| Parameter | Value |
|---|---|
| Swing Over Bed | 1,000 mm (39.4 in) |
| Swing Over Cross Slide | 800 mm (31.5 in) |
| Chuck Size | 381 mm (15 in) |
| Chuck Size Optional | 450 mm (17.7 in) |
| Bar Capacity | 116 mm (4.6 in) |
| Spindle Nose | A2-11 |
| Spindle Bore | 132.5 mm (5.2 in) |
| Spindle Transmission | Auto 4 speeds |
| Max Spindle Speed | 2,000 rpm |
| Spindle Motor Power | 22 / 26 kW (29.5 / 34.9 hp) (Std.); 30 / 37 kW (40.2 / 49.6 hp) (Opt.) |
| Spindle Bearing Diameter | 180 mm (7.1 in) |
| Turret Stations | 12 |
| X Axis Travel | 420 mm (16.5 in) |
| Y Axis Travel Optional | ±75 mm (±3 in) |
| Z Axis Travel | 2,400 mm (94.5 in) |
| Rapid Traverse Rate | X: 10 m/min (394 ipm); Y: 10 m/min (394 ipm); Z: 12 m/min (472 ipm) |
| Tailstock Travel | 2,100 mm (82.7 in) |
| Tailstock Quill Travel | 150 mm (5.9 in) |
| Tailstock Quill Diameter | Ø200 mm (Ø7.9 in) |
| Tailstock Taper | MT#7 |
| Servo Motor X | 7 kW |
| Servo Motor Y Optional | 3 kW |
| Servo Motor Z | 7 kW |
| Bed Inclination | 60° |
| Machine Weight | 16,600 kg (36,520 lb) |
| Machine Dimensions | 7,812 x 2,504 x 2,955 mm (307.6 x 98.6 x 116.3 in) |
Specifications sourced from johnford.com.tw — verified 2026-10-04
Strengths & Limitations
Strengths
- 2,400 mm (94.5 in) of Z travel with 800 mm (31.5 in) swing over the cross slide
- 420 mm (16.5 in) of X travel to reach large flanges
- C axis, live tool turret and Y axis available
- 450 mm (17.7 in) chuck option
- Tailstock travel of 2,100 mm (82.7 in)
Limitations
- All milling functions are optional
- 22 / 26 kW (29.5 / 34.9 hp) standard motor
- 116 mm (4.6 in) bar capacity
- Rapid traverse on Z of 12 m/min
Best For
Frequently Asked Questions
01
With the optional 0.001° C axis and 12-position live tool turret in VDI or BMT. A Y axis with ±75 mm (±3 in) of travel and a 3 kW motor is a further option for off-center features.
02
420 mm (16.5 in) on X and 2,400 mm (94.5 in) on Z, at rapid rates of 10 m/min and 12 m/min. The tailstock travels 2,100 mm (82.7 in).
03
The ST-100B swings 700 mm (27.6 in) over the cross slide and has 370 mm (14.6 in) of X travel at 16,500 kg (36,300 lb). The ST-100BH swings 800 mm (31.5 in) with 420 mm (16.5 in) of X at 16,600 kg (36,520 lb).
04
7,812 x 2,504 x 2,955 mm (307.6 x 98.6 x 116.3 in). The bed is inclined at 60° and swing over the bed is 1,000 mm (39.4 in).
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