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Eagle Machine Inc.

Hwacheon Hi-TECH 700BB/BB+

Big bore heavy duty horizontal turning center

Hi-TECH BB Series

Built to order. Ask for lead time.

Hwacheon Hi-TECH 700BB/BB+
Overview

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?

At a glance
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

  1. 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.
  2. 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.
  3. 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.
  4. 04Loading from the rearThe side cover opens so hoist-lifted parts can be loaded and unloaded from the rear of the spindle.
  5. 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.
  6. 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

Hi-TECH BB series, big bore lathes

Specifications

ItemHi-TECH 700BB series
Hi-TECH 700BBHi-TECH 700BB+Hi-TECH 700BB MCHi-TECH 700BB+ MC
Capacity
Swing over bedinØ35.4Ø35.4Ø35.4Ø35.4
Max cutting diameterinØ26.8Ø26.8Ø26.8Ø26.8
Standard cutting diameterinØ13.0Ø13.0Ø13.0Ø13.0
Chuck sizein(Opt) Air chuck Ø470(Opt) Air chuck Ø630(Opt) Air chuck Ø470(Opt) Air chuck Ø630
Spindle
Type of spindle noseASAA2-15A2-20A2-15A2-20
Max spindle speedrpm1,3001,0001,3001,000
Through spindle hole diameterinØ7.3Ø11.8Ø7.3Ø11.8
Max bar sizeinØ7.1Ø11.6Ø7.1Ø11.6
Spindle bearing inner diameterinØ9.4Ø14.2Ø9.4Ø14.2
Spindle motorHP60.3 / 49.660.3 / 49.660.3 / 49.660.3 / 49.6
Turret
Number of tool stationea12121212
Tool size (out dia x boring bar size)in□1.3 × Ø2.4□1.3 × Ø2.4□1.3 × Ø2.4□1.3 × Ø2.4
Turret indexing timesec/step0.40.40.40.4
Axes
Rapid traverse (X / Z)ipm709 / 709709 / 709709 / 709709 / 709
Max. stroke (X / Z)in14.2 / 80.714.2 / 80.714.2 / 80.714.2 / 80.7
Feed motor (X / Z)HP8.0 / 8.08.0 / 8.08.0 / 8.08.0 / 8.0
Tailstock
Tailstock strokein73.973.973.973.9
Cylinder diainØ5.9Ø5.9Ø5.9Ø5.9
Quill strokein5.95.95.95.9
Quill taperMT# 5# 5# 5# 5
Turnmill (opt.)
Spindle motorHP--10.1 / 7.410.1 / 7.4
Max spindle speedrpm--2,0002,000
Max drill/tap size (endmill / collet size)in--Ø1.3/ ER 50Ø1.3/ ER 50
Min. index angledeg--0.00010.0001
Tank capacity
Lubricationgal3.23.23.23.2
Hydraulicgal13.213.213.213.2
Coolantgal79.379.379.379.3
Power sources
Electrical power supplykVA75757575
Machine size
Heightin99.899.899.899.8
Floor space (L x W)in211.8 x 89.8211.8 x 89.8211.8 x 89.8211.8 x 89.8
Weightlb34,94341,22635,71541,667
NC controllerFanuc 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)
Specifications from the manufacturer, converted from metric. Confirm the configuration on your quote.

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Before you order: what your shop needs ready and the 2026 Section 179 rules

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