Johnford ST-130C
Key Specifications
Max Spindle
Rapid Traverse
Spindle Power
swing over bed
swing over cross slide
chuck size
How much does the Johnford ST-130C cost?
Price estimate
We do not have a price for the Johnford ST-130C 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
Deep boring of long hollow parts is the job the Johnford ST-130C is best equipped for: 3,050 mm (120.1 in) of Z travel, a 152 mm (6 in) spindle bore and a set of boring options that the accessory list spells out.
There are three of them. A boring bar holder can be mounted on the turret carriage. A completely independent boring bar system can be fitted instead. And the headstock sheet metal can be made with a dented space for boring bar clearance, so that a long bar parked at the headstock end does not foul the enclosure. On a three-metre bed these are what make a long internal cut practical.
The spindle side supports the work. The A2-15 nose carries a 510 mm (20.1 in) chuck, or 610 mm (24 in) as an option, on a 200 mm (7.9 in) bearing. Power is 30 / 37 kW (40.2 / 49.6 hp) through four automatic speeds, with 1,500 rpm from the belt-type gearbox and 1,200 rpm from the geared headstock.
Tailstock travel is 2,750 mm (108.3 in). The machine weighs 20,300 kg (44,660 lb) and is 8,612 mm (339.1 in) long. Swing is 920 mm (36.2 in) over the bed and 700 mm (27.6 in) over the cross slide.
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 | 139 mm (5.5 in) |
| Spindle Nose | A2-15 |
| Spindle Bore | 152 mm (6 in) |
| Spindle Transmission | Auto 4 speeds |
| Max Spindle Speed | 1,500 rpm (Std.); 1,400 rpm (Opt.) |
| Spindle Speed Geared Headstock | 1,200 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 | 200 mm (7.9 in) |
| Turret Stations | 12 |
| X Axis Travel | 370 mm (14.6 in) |
| Y Axis Travel Optional | ±75 mm (±3 in) |
| Z Axis Travel | 3,050 mm (120.1 in) |
| Rapid Traverse Rate | X: 10 m/min (394 ipm); Y: 10 m/min (394 ipm); Z: 12 m/min (472 ipm) |
| Tailstock Travel | 2,750 mm (108.3 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 | 20,300 kg (44,660 lb) |
| Machine Dimensions | 8,612 x 2,504 x 2,895 mm (339.1 x 98.6 x 114 in) |
Specifications sourced from johnford.com.tw — verified 2026-10-04
Strengths & Limitations
Strengths
- 3,050 mm (120.1 in) of Z travel with a 152 mm (6 in) bore
- Boring bar holder, independent boring bar system and headstock clearance are listed options
- 30 / 37 kW (40.2 / 49.6 hp), optionally 37 / 45 kW (49.6 / 60.3 hp)
- Tailstock travel of 2,750 mm (108.3 in)
- Bigger spindle bores available
Limitations
- All boring bar equipment is optional
- Spindle speed of 1,500 rpm at most
- Machine weight of 20,300 kg (44,660 lb)
- Rapid traverse of 12 m/min on Z
Best For
Frequently Asked Questions
01
A boring bar holder mounted on the turret carriage or a completely independent boring bar system, and a dented space on the headstock sheet metal for boring bar clearance. All are on the optional accessory list.
02
Bar or tube up to 139 mm (5.5 in), through a 152 mm (6 in) bore. Bigger spindle bores like Ø234, Ø318, Ø410, Ø510 mm or even greater are listed as options.
03
The ST-130B has the smaller A2-11 spindle with a 132.5 mm (5.2 in) bore, 2,000 rpm and 22 / 26 kW (29.5 / 34.9 hp), and weighs 20,100 kg (44,220 lb). The ST-130C has the A2-15 spindle, 1,500 rpm and 30 / 37 kW (40.2 / 49.6 hp), at 20,300 kg (44,660 lb).
04
8,612 x 2,504 x 2,895 mm (339.1 x 98.6 x 114 in). The bed is a 60° slant type and the tailstock quill is Ø200 mm (7.9 in) with an MT#7 taper.
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