Huron DX 350-700 B
Key Specifications
Max Turn Length
Accuracy
Repeatability
swing over bed
standard turning diameter
max turning diameter
How much does the Huron DX 350-700 B cost?
Price estimate
We do not have a price for the Huron DX 350-700 B 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 Huron DX 350-700 B is a heavy-duty chucker: an A2-11 spindle with a 110 mm bore, 27.8/18.5 kW on the Siemens motor, and a speed range that tops out at 1,500 rpm. It turns 600 mm (23.6 in) in diameter and 700 mm in length.
Low speed and high power point to large-diameter roughing. At 1,500 rpm a large-diameter part already runs at a high surface speed, so the range fits the work. Fanuc power is listed at 18.5/15 kW. Bar up to 90 mm passes through the spindle.
The B version also changes the tooling. Shanks are 32 x 32 mm and boring bars up to 50 mm, against 25 x 25 mm and 40 mm on the DX 350-700 A. Bigger tools carry bigger inserts and deeper cuts, and the stouter boring bar reaches further into a bore before chatter sets in.
Bed, slides and tailstock are common to both versions. Swing is 740 mm, X travel 310 mm, rapid feed 24 m/min. The tailstock has a 100 mm quill and 500 kgf of thrust. Weight is 6,500 kg (14,330 lb), the same as the A. Positioning is 0.01 mm with 0.005 mm repeatability. Huron's series features include a 45° monoblock slant bed, roller guideways and an optional live-tool turret.
Full Specifications
| Parameter | Value |
|---|---|
| Swing Over Bed | 740 mm (29.1 in) |
| Standard Turning Diameter | 415 mm (16.3 in) |
| Max Turning Diameter | 600 mm (23.6 in) |
| Max Turning Length | 700 mm (27.6 in) |
| X Axis Travel | 310 mm (12.2 in) |
| Z Axis Travel | 700 mm (27.6 in) |
| Rapid Traverse Xz | 24 m/min |
| Spindle Power Siemens | 27.8/18.5 kW (37.3/24.8 hp) |
| Spindle Power Fanuc | 18.5/15 kW (24.8/20.1 hp) |
| Spindle Speed Range | 50-1,500 rpm |
| Spindle Bore | 110 mm (4.3 in) |
| Spindle Nose | A2-11 |
| Bar Capacity | 90 mm (3.5 in) |
| Turret Stations | 8 |
| Max Boring Bar Diameter | 50 mm (2.0 in) |
| Tool Shank Size | 32 x 32 mm (1.3 x 1.3 in) |
| Tailstock Quill Diameter | 100 mm (3.9 in) |
| Tailstock Quill Stroke | 120 mm (4.7 in) |
| Tailstock Thrust | 500 kgf (max.) |
| Positioning Accuracy | 0.01 mm (0.0004 in) |
| Repeatability | 0.005 mm (0.0002 in) |
| Machine Weight | 6,500 kg (14,330 lb) |
| Machine Length | 3,060 mm (120.5 in) |
| Machine Width | 1,950 mm (76.8 in) |
| Machine Height | 2,020 mm (79.5 in) |
Specifications sourced from huron.fr — verified 2026-10-04
Strengths & Limitations
Strengths
- 27.8/18.5 kW with the Siemens spindle motor
- 110 mm spindle bore and 90 mm bar capacity
- 32 x 32 mm tool shanks and 50 mm boring bars
- A2-11 spindle nose for large chucks
- 600 mm turning diameter over a 740 mm swing
Limitations
- Spindle speed is limited to 1,500 rpm
- Weight is 6,500 kg, no more than the lighter-spindled A version
- 8 turret stations, as on the A version
- Tailstock thrust is 500 kgf
Best For
Frequently Asked Questions
01
Spindle motor power is 27.8/18.5 kW with Siemens and 18.5/15 kW with Fanuc. The speed range is 50-1,500 rpm on an A2-11 nose.
02
Spindle bore is 110 mm and maximum bar capacity 90 mm. The DX 350-700 A, with the smaller spindle, has an 80 mm bore and 65 mm of bar capacity.
03
The 8-station turret takes 32 x 32 mm shank tools and boring bars up to 50 mm in diameter. Huron describes it as a high-speed, high-precision bi-directional servo turret.
04
X travel is 310 mm and Z travel 700 mm. Maximum turning diameter is 600 mm, standard turning diameter 415 mm and maximum turning length 700 mm.
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