Johnford ST-160D
Key Specifications
Max Spindle
Rapid Traverse
Spindle Power
swing over bed
swing over cross slide
chuck size
How much does the Johnford ST-160D cost?
Price estimate
We do not have a price for the Johnford ST-160D 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
Four metres of bed behind a 185 mm (7.3 in) bore: the Johnford ST-160D has 4,050 mm (159.4 in) of Z travel and the D spindle with 165 mm (6.5 in) of bar capacity.
Long tubular parts are often too long even for a bed like this, and they run through the spindle and out of the back. Where the part does fit between the ends, a second option is worth knowing. A sub-spindle or counter-spindle can replace the tailstock, so a tube is gripped at both ends, driven from both and machined along its length or at either end. With thin-walled tube that is a gentler way to hold the work than a center pressing on a plug.
As standard the far end is a programmable tailstock with 3,600 mm (141.7 in) of travel and a Ø200 mm (7.9 in) MT#7 quill.
Speed is 1,000 rpm through four automatic speeds, with 30 / 37 kW (40.2 / 49.6 hp) or optionally 37 / 45 kW (49.6 / 60.3 hp). The chuck is 510 mm (20.1 in) on an A2-15 nose. This model weighs 24,500 kg (53,900 lb), against 24,200 kg (53,240 lb) for the ST-160C, and is 9,926 mm (390.8 in) long.
Full Specifications
| Parameter | Value |
|---|---|
| Swing Over Bed | 920 mm (36.2 in) |
| Swing Over Cross Slide | 700 mm (27.6 in) |
| Chuck Size | 510 mm (20.1 in) |
| Chuck Size Optional | 610 mm (24 in) |
| Bar Capacity | 165 mm (6.5 in) |
| Spindle Nose | A2-15 |
| Spindle Bore | 185 mm (7.3 in) / Geared headstock 176 mm (6.9 in) |
| Spindle Transmission | Auto 4 speeds |
| Max Spindle Speed | 1,000 rpm |
| Spindle Speed Geared Headstock | 1,000 rpm |
| Spindle Motor Power | 30 / 37 kW (40.2 / 49.6 hp) (Std.); 37 / 45 kW (49.6 / 60.3 hp) (Opt.) |
| Spindle Bearing Diameter | 240 mm (9.4 in) |
| Turret Stations | 12 |
| X Axis Travel | 370 mm (14.6 in) |
| Y Axis Travel Optional | ±75 mm (±3 in) |
| Z Axis Travel | 4,050 mm (159.4 in) |
| Rapid Traverse Rate | X: 10 m/min (394 ipm); Y: 10 m/min (394 ipm); Z: 12 m/min (472 ipm) |
| Tailstock Travel | 3,600 mm (141.7 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 | 24,500 kg (53,900 lb) |
| Machine Dimensions | 9,926 x 2,504 x 2,895 mm (390.8 x 98.6 x 114 in) |
Specifications sourced from johnford.com.tw — verified 2026-10-04
Strengths & Limitations
Strengths
- 4,050 mm (159.4 in) of Z travel with 165 mm (6.5 in) bar capacity
- Sub-spindle or counter-spindle can replace the tailstock
- 185 mm (7.3 in) bore on a 240 mm (9.4 in) bearing
- Tailstock travel of 3,600 mm (141.7 in)
- Up to 37 / 45 kW (49.6 / 60.3 hp)
Limitations
- Speed limited to 1,000 rpm
- The second spindle is an option, not standard
- Machine weight of 24,500 kg (53,900 lb)
- 370 mm (14.6 in) of X travel
Best For
Frequently Asked Questions
01
With the optional sub-spindle or counter-spindle in replacement of the tailstock. The standard machine has a programmable hydraulic tailstock with a rotary Ø200 mm (7.9 in) quill and 3,600 mm (141.7 in) of travel.
02
165 mm (6.5 in), through a bore of 185 mm (7.3 in). With the geared headstock the bore is 176 mm (6.9 in). The ST-160C on the same bed takes 139 mm (5.5 in).
03
9,926 x 2,504 x 2,895 mm (390.8 x 98.6 x 114 in) and 24,500 kg (53,900 lb). Swing is 920 mm (36.2 in) over the bed.
04
7 kW servo motors on X and Z, with rapid traverse of 10 m/min and 12 m/min. An optional Y axis has a 3 kW motor and ±75 mm (±3 in) of travel.
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