Hwacheon Hi-TECH 700BB/BB+
Big bore heavy duty horizontal turning center
Hi-TECH BB Series
Built to order. Ask for lead time.

Big bore box-way lathe, Ø185 or Ø300 mm spindle bore, Ø680 mm turning diameter
The Hi-TECH 700BB and 700BB+ are big bore heavy duty turning centers for long shafts and pipe. The 700BB has an A2-15 spindle with a 185 mm through hole and 180 mm bar capacity to 1,300 rpm; the 700BB+ steps up to an A2-20 nose with a 300 mm through hole and 295 mm bar capacity to 1,000 rpm. Both swing 900 mm, cut up to 680 mm in diameter over 2,050 mm of Z stroke, and run a 45 / 37 kW motor through a gearbox with oil-jet lubricated bearings. MC versions add a turnmill with a C axis.
Guide: Swiss-type lathe or conventional CNC lathe: which fits your parts?
- Max turning diameter
- Ø26.8 in
- Max turning length
- 80.7 in
- Chuck size
- Ø18.5 in (700BB) / Ø24.8 in (700BB+) air chuck, opt.
- Spindle speed
- 1,300 rpm (700BB) / 1,000 rpm (700BB+)
- Control
- FANUC 0i-TF Plus (31i-B opt.)
Features
- 01Two bore sizesThe 700BB passes bar up to 180 mm through a 185 mm bore; the 700BB+ passes up to 295 mm through a 300 mm bore on an A2-20 nose and 360 mm bearings.
- 024,694.4 Nm in low gearBoth versions run a 45 / 37 kW motor through a gearbox, giving 4,694.4 Nm (30 minute rating) up to 341 rpm in low gear. Bearings are oil-jet lubricated, and the spindle has a built-in brake.
- 03Chucks at both ends of the spindleOptional air chucks mount in front of the spindle, 470 mm on the 700BB and 630 mm on the 700BB+, and optional 20 or 24 in. manual chucks at the rear, so long pipe is held at both ends.
- 04Loading from the rearThe side cover opens so hoist-lifted parts can be loaded and unloaded from the rear of the spindle.
- 0512-station turret, wide disc standardThe turret indexes in 0.4 seconds per step, uses a wide disc as standard and takes boring bars up to 60 mm by 600 mm.
- 06Thread repair and tool load monitoringManual Guide i includes a thread repair function for re-cutting a stripped thread. L-HTLD tool load detection is standard.
Video
Specifications
| Item | Hi-TECH 700BB series | ||||
|---|---|---|---|---|---|
| Hi-TECH 700BB | Hi-TECH 700BB+ | Hi-TECH 700BB MC | Hi-TECH 700BB+ MC | ||
| Capacity | |||||
| Swing over bedin | in | Ø35.4 | Ø35.4 | Ø35.4 | Ø35.4 |
| Max cutting diameterin | in | Ø26.8 | Ø26.8 | Ø26.8 | Ø26.8 |
| Standard cutting diameterin | in | Ø13.0 | Ø13.0 | Ø13.0 | Ø13.0 |
| Chuck sizein | in | (Opt) Air chuck Ø470 | (Opt) Air chuck Ø630 | (Opt) Air chuck Ø470 | (Opt) Air chuck Ø630 |
| Spindle | |||||
| Type of spindle noseASA | ASA | A2-15 | A2-20 | A2-15 | A2-20 |
| Max spindle speedrpm | rpm | 1,300 | 1,000 | 1,300 | 1,000 |
| Through spindle hole diameterin | in | Ø7.3 | Ø11.8 | Ø7.3 | Ø11.8 |
| Max bar sizein | in | Ø7.1 | Ø11.6 | Ø7.1 | Ø11.6 |
| Spindle bearing inner diameterin | in | Ø9.4 | Ø14.2 | Ø9.4 | Ø14.2 |
| Spindle motorHP | HP | 60.3 / | 60.3 / | 60.3 / | 60.3 / |
| Turret | |||||
| Number of tool stationea | ea | 12 | 12 | 12 | 12 |
| Tool size (out dia x boring bar size)in | in | □1.3 × Ø2.4 | □1.3 × Ø2.4 | □1.3 × Ø2.4 | □1.3 × Ø2.4 |
| Turret indexing timesec/step | sec/ | 0.4 | 0.4 | 0.4 | 0.4 |
| Axes | |||||
| Rapid traverse (X / Z)ipm | ipm | 709 / | 709 / | 709 / | 709 / |
| Max. stroke (X / Z)in | in | 14.2 / | 14.2 / | 14.2 / | 14.2 / |
| Feed motor (X / Z)HP | HP | 8.0 / | 8.0 / | 8.0 / | 8.0 / |
| Tailstock | |||||
| Tailstock strokein | in | 73.9 | 73.9 | 73.9 | 73.9 |
| Cylinder diain | in | Ø5.9 | Ø5.9 | Ø5.9 | Ø5.9 |
| Quill strokein | in | 5.9 | 5.9 | 5.9 | 5.9 |
| Quill taperMT | MT | # 5 | # 5 | # 5 | # 5 |
| Turnmill (opt.) | |||||
| Spindle motorHP | HP | - | - | 10.1 / | 10.1 / |
| Max spindle speedrpm | rpm | - | - | 2,000 | 2,000 |
| Max drill/tap size (endmill / collet size)in | in | - | - | Ø1.3/ | Ø1.3/ |
| Min. index angledeg | deg | - | - | 0.0001 | 0.0001 |
| Tank capacity | |||||
| Lubricationgal | gal | 3.2 | 3.2 | 3.2 | 3.2 |
| Hydraulicgal | gal | 13.2 | 13.2 | 13.2 | 13.2 |
| Coolantgal | gal | 79.3 | 79.3 | 79.3 | 79.3 |
| Power sources | |||||
| Electrical power supplykVA | kVA | 75 | 75 | 75 | 75 |
| Machine size | |||||
| Heightin | in | 99.8 | 99.8 | 99.8 | 99.8 |
| Floor space (L x W)in | in | 211.8 x 89.8 | 211.8 x 89.8 | 211.8 x 89.8 | 211.8 x 89.8 |
| Weightlb | lb | 34,943 | 41,226 | 35,715 | 41,667 |
| NC controller | Fanuc 0i-TF Plus (Opt : Fanuc 31i-B) | Fanuc 0i-TF Plus (Opt : Fanuc 31i-B) | Fanuc 0i-TF Plus (Opt : Fanuc 31i-B) | Fanuc 0i-TF Plus (Opt : Fanuc 31i-B) | |
Request a quote
Send the details and we will price the Hi-TECH 700BB/BB+ with freight, rigging and the options you need.
Before you order: what your shop needs ready and the 2026 Section 179 rules
Call sales(817) 472-5178







