Johnford ST-80BH
Key Specifications
Max Spindle
Rapid Traverse
Spindle Power
swing over bed
swing over cross slide
chuck size
How much does the Johnford ST-80BH cost?
Price estimate
We do not have a price for the Johnford ST-80BH 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 ST-80BH is the two-metre B-spindle lathe on Johnford's higher long-bed frame. It swings 1,000 mm (39.4 in) over the bed and 800 mm (31.5 in) over the cross slide, with 2,000 mm (78.7 in) of Z travel.
Set beside the ST-80B, the differences are few and specific. The ST-80B swings 920 mm (36.2 in) and 700 mm (27.6 in) and has 370 mm (14.6 in) of X travel; the ST-80BH has 420 mm (16.5 in). The machine is 2,955 mm (116.3 in) high. Weight goes from 15,000 kg (33,000 lb) on the ST-80B to 15,100 kg (33,220 lb). Length, width, rapids, axis motors and tailstock are the same.
So the H version is the pick whenever any regular part comes close to the smaller swing. It costs almost nothing in mass or floor space.
The spindle is the A2-11 unit with a 381 mm (15 in) chuck, a 132.5 mm (5.2 in) bore, four automatic speeds and 2,000 rpm, at 22 / 26 kW (29.5 / 34.9 hp) or optionally 30 / 37 kW (40.2 / 49.6 hp). The tailstock travels 1,700 mm (66.9 in) with a Ø200 mm (7.9 in) MT#7 quill. Rapid traverse is 10 m/min on X and 12 m/min on Z.
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 | 2,000 mm (78.7 in) |
| Rapid Traverse Rate | X: 10 m/min (394 ipm); Y: 10 m/min (394 ipm); Z: 12 m/min (472 ipm) |
| Tailstock Travel | 1,700 mm (66.9 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 | 15,100 kg (33,220 lb) |
| Machine Dimensions | 7,412 x 2,504 x 2,955 mm (291.8 x 98.6 x 116.3 in) |
Specifications sourced from johnford.com.tw — verified 2026-10-04
Strengths & Limitations
Strengths
- 800 mm (31.5 in) swing over the cross slide on a two-metre bed
- 420 mm (16.5 in) of X travel
- Ø200 mm (7.9 in) MT#7 tailstock quill with 1,700 mm (66.9 in) of travel
- 2,000 rpm through four automatic speeds
- 15,100 kg (33,220 lb), barely more than the ST-80B
Limitations
- Standard motor of 22 / 26 kW (29.5 / 34.9 hp)
- Rapids of 10 m/min on X and 12 m/min on Z
- Standard chuck is 381 mm (15 in) under an 800 mm (31.5 in) swing
- Machine height of 2,955 mm (116.3 in)
Best For
Frequently Asked Questions
01
Swing and cross travel. The ST-80B swings 920 mm (36.2 in) over the bed and 700 mm (27.6 in) over the cross slide with 370 mm (14.6 in) of X travel. The ST-80BH swings 1,000 mm (39.4 in) and 800 mm (31.5 in) with 420 mm (16.5 in) of X.
02
15,100 kg (33,220 lb). Outside dimensions are 7,412 x 2,504 x 2,955 mm (291.8 x 98.6 x 116.3 in), on a 60° slant bed.
03
Programmable and hydraulic, with a rotary quill of Ø200 mm (7.9 in), 150 mm (5.9 in) of quill travel and an MT#7 taper. Tailstock travel is 1,700 mm (66.9 in).
04
22 / 26 kW (29.5 / 34.9 hp) as standard and 30 / 37 kW (40.2 / 49.6 hp) as an option. Both drive the A2-11 spindle through four automatic speeds to 2,000 rpm.
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