Hitachi Seiki HC630
This model was not found in Hitachi Seiki's current lineup when we checked on 2026-10-03 . It may be a superseded or older model; the specifications below are as we last recorded them.
Key Specifications
X Travel
Y Travel
Z Travel
Max Spindle
Spindle Taper
Tool Capacity
How much does the Hitachi Seiki HC630 cost?
Estimated price range
Our best estimate for a horizontal machining centers (hmc) in this class — not a quote from Hitachi Seiki. Configuration moves it a long way.
Overview
The Hitachi Seiki HC630 is a horizontal machining center built around a 630 mm x 630 mm (24.8 in x 24.8 in) pallet, with listed travels of 800 mm (31.5 in) in X, 700 mm (27.6 in) in Y and 750 mm (29.5 in) in Z. The model is not in Hitachi Seiki's current lineup, so the listed figures are best read as a reference for a used machine and confirmed against that machine's own plate and manual.
The work envelope is generous for the pallet. The listed figures allow a workpiece up to 800 mm (31.5 in) in diameter and 800 mm (31.5 in) tall, weighing up to 1,200 kg (2,646 lb). The diameter matches the X travel. The 700 mm (27.6 in) of Y is less than the maximum part height, though, so check spindle reach on the highest features of a tall part before planning a job around the full envelope.
The spindle row lists 8,000 RPM as standard with 10,000 RPM as an option, at 26 kW (34.9 HP). The taper row reads BT 50 or HSK-A63 depending on configuration, and the control row also gives two alternatives, so two machines carrying this model name can differ in both tooling and programming. The magazine is listed at 60 tools as standard and 120 as an option, and rapid traverse at 36 m/min (1,417 IPM).
Positioning accuracy is listed as ±0.005 mm (±0.0002 in) and repeatability as ±0.003 mm (±0.00012 in). On a machine that is no longer in the lineup, those are figures to prove by measurement, not to assume.
Full Specifications
| Parameter | Value |
|---|---|
| Pallet Size | 630 mm x 630 mm (24.8 in x 24.8 in) |
| Max Workpiece Diameter | 800 mm (31.5 in) |
| Max Workpiece Height | 800 mm (31.5 in) |
| Max Workpiece Weight | 1,200 kg (2,646 lb) |
| X-Axis Travel | 800 mm (31.5 in) |
| Y-Axis Travel | 700 mm (27.6 in) |
| Z-Axis Travel | 750 mm (29.5 in) |
| Max Spindle Speed | 8,000 RPM (10,000 RPM optional) |
| Spindle Motor Power | 26 kW (34.9 HP) |
| Spindle Taper | BT 50 or HSK-A63 (configuration dependent) |
| Rapid Traverse Rate | 36 m/min (1,417 IPM) |
| Tool Capacity | 60 tools standard, 120 optional |
| Positioning Accuracy | ±0.005 mm (±0.0002 in) |
| Repeatability | ±0.003 mm (±0.00012 in) |
| CNC Control | Fanuc 16i-MB or Mitsubishi M64 |
Specifications compiled from manufacturer literature and industry references. Not independently verified against a published spec sheet — confirm with the manufacturer or an authorised dealer before making a purchasing decision.
Strengths & Limitations
Strengths
- 800 mm (31.5 in) of X travel and a listed maximum workpiece diameter of 800 mm (31.5 in) on a 630 mm x 630 mm (24.8 in x 24.8 in) pallet
- Maximum workpiece weight is listed at 1,200 kg (2,646 lb), which suits heavy castings and multi-part fixtures
- A 60-tool magazine is listed as standard, with 120 tools as an option for long tool lists
- 26 kW (34.9 HP) spindle listed at 8,000 RPM, with 10,000 RPM as an option
- Listed rapid traverse of 36 m/min (1,417 IPM)
Limitations
- Spindle taper is listed as BT 50 or HSK-A63 depending on configuration, so tooling cannot be planned until the actual spindle is confirmed
- The 10,000 RPM spindle and the 120-tool magazine are options; a given machine may have 8,000 RPM and 60 tools
- Y travel of 700 mm (27.6 in) is less than the 800 mm (31.5 in) maximum workpiece height
- The listed figures give no spindle torque, pallet change time or machine weight
Best For
Frequently Asked Questions
01
The listed figures give a maximum workpiece diameter of 800 mm (31.5 in), a maximum height of 800 mm (31.5 in) and a maximum weight of 1,200 kg (2,646 lb) on a 630 mm x 630 mm (24.8 in x 24.8 in) pallet. Travels are 800 mm (31.5 in) in X, 700 mm (27.6 in) in Y and 750 mm (29.5 in) in Z.
02
A 26 kW (34.9 HP) spindle at 8,000 RPM, with 10,000 RPM listed as an option. The taper is given as BT 50 or HSK-A63 depending on configuration, so the spindle nose on a particular machine has to be checked before buying tool holders.
03
The listed figures give 60 tools as standard and 120 as an option. Which magazine a given machine has is something to confirm on the machine, because the larger one is not part of the standard build.
04
Start with the items the listed figures leave open: whether the spindle is BT 50 or HSK-A63, whether it is the 8,000 RPM or the optional 10,000 RPM version, which of the two listed controls is fitted and whether the magazine holds 60 or 120 tools. Then have positioning and repeatability measured against the listed ±0.005 mm (±0.0002 in) and ±0.003 mm (±0.00012 in).
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