Heckert HEC 630P

$500,000 - $800,000 Updated 2026-03-17

Key Specifications

X Travel

1,000 mm (39.4 in)

Y Travel

900 mm (35.4 in)

Z Travel

900 mm (35.4 in)

Max Spindle

10,000 RPM (14,000 RPM optional high-speed)

Spindle Taper

HSK-A100

Tool Capacity

80 (expandable to 320)

Overview

The Heckert HEC 630P is a precision-grade horizontal machining center built around a 630 mm pallet, targeting the heavy-duty end of the mid-size HMC segment. The 'P' suffix designates the precision variant of the HEC 630 series, with tighter manufacturing tolerances on the spindle, guideways, and ballscrews to achieve positioning accuracy and long-term repeatability in the sub-4-micron range. This precision specification makes the HEC 630P suitable not just for standard automotive production but for aerospace structural components, precision gear housing machining, and medical capital equipment manufacturing where tight tolerances are non-negotiable.

Built in Chemnitz, Germany, by Heckert — part of the Starrag Group — the HEC 630P benefits from the Starrag Group's extensive experience in aerospace precision machining. The machine uses a moving-column design with the workpiece mounted on a 630 mm x 630 mm rotary pallet table for four-sided complete machining. The larger 630 mm pallet compared to the 500 mm class expands the workpiece envelope to parts weighing up to 1,000 kg, covering a wider range of automotive castings, heavy aerospace brackets, and industrial equipment housings.

The HEC 630P spindle is a high-rigidity, precision-ground design with a large-diameter front bearing arrangement specifically engineered for the P variant. The front bearing diameter and preload specification exceed the standard HEC 630, delivering reduced radial runout and improved circular interpolation accuracy. Spindle growth compensation is active via the Siemens Sinumerik 840D sl control, maintaining Z-axis dimensional accuracy throughout warm-up and steady-state production without operator intervention.

Pallets on the HEC 630P are precision-ground and repeatable to within 2 µm on re-clamping, ensuring that multi-face machining sequences maintain feature-to-feature positional accuracy to the full machine specification. The rotary table B-axis uses a precision direct-drive or high-precision worm gear design (depending on configuration) and is locked during machining with a hydraulic face gear coupling for maximum stiffness during heavy cuts. This combination of high clamping rigidity and precision positioning supports both heavy roughing and fine finishing on the same machine.

In the 630 mm pallet precision HMC segment, the HEC 630P competes with the Mazak HCN-6800, DMG Mori NHX 6300, Okuma MA-600H, and Toyoda FH 630. Heckert's precision P variant differentiates through tighter manufacturing tolerances and Starrag Group engineering standards. For production environments where accuracy retention over years of operation is more important than the lowest acquisition price, the HEC 630P is among the strongest European options in this pallet class.

Full Specifications

Parameter	Value
Pallet Size	630 x 630 mm (24.8 x 24.8 in)
X-Axis Travel	1,000 mm (39.4 in)
Y-Axis Travel	900 mm (35.4 in)
Z-Axis Travel	900 mm (35.4 in)
Max Spindle Speed	10,000 RPM (14,000 RPM optional high-speed)
Spindle Taper	HSK-A100
Spindle Motor Power	52 kW (69.7 hp)
Spindle Torque	640 Nm
Table Load Capacity	1,000 kg (2,205 lb)
Rapid Traverse Rate	50 m/min (1,969 ipm)
Tool Capacity	80 (expandable to 320)
Positioning Accuracy	0.004 mm (4 µm)
Repeatability	0.002 mm (2 µm)
CNC Control	Siemens Sinumerik 840D sl
Machine Weight	28,000 kg (61,729 lb)

Strengths & Limitations

Strengths

Precision P-variant manufacturing specification delivers sub-4-micron positioning accuracy and 2-micron repeatability, meeting aerospace and precision gear manufacturing tolerance requirements that standard HMCs cannot reliably achieve
630 mm pallet and 1,000 kg table load capacity handles the larger end of automotive powertrain castings and heavier aerospace structural brackets that 500 mm pallet machines cannot accommodate
52 kW / 640 Nm HSK-A100 spindle provides both the power for heavy roughing in cast iron and steel and the precision for finishing bores to H6/H7 tolerance class
Precision-ground pallets with 2-micron re-clamping repeatability ensure multi-face machining sequences maintain full machine accuracy across all four faces without error accumulation
Starrag Group engineering heritage and active spindle growth compensation maintain accuracy through warm-up and extended production shifts without operator calibration intervention

Limitations

The precision P-variant specification commands a price premium over standard HEC 630 configurations; buyers who do not require sub-4-micron accuracy should consider whether the precision specification is cost-justified for their application
HSK-A100 tooling is larger and heavier than the HSK-A63 used in 500 mm class machines, adding tooling cost and requiring more storage space in the tool magazine — a consideration for shops transitioning from 500 mm pallet machines
Heckert's North American installed base and dealer network is smaller than Japanese competitors; long-term service and spare parts support requires planning and may involve longer lead times than for Mazak, Okuma, or Fanuc-controlled machines

Best For

Aerospace tier-1 suppliers machining large aluminum and titanium structural brackets, gear housings, and bearing carriers where bore positional accuracy and surface finish requirements are driven by OEM specifications Precision gear and transmission manufacturers producing large gearbox housings and gear carriers in steel requiring tight bore spacing accuracy for gear mesh quality Automotive powertrain OEMs and Tier 1 suppliers working with larger engine blocks, differential housings, and heavy transmission cases that exceed 500 mm pallet capacity Heavy industrial equipment manufacturers — turbine component suppliers, large pump manufacturers, hydraulic equipment OEMs — where mid-to-large prismatic workpieces must meet precision engineering tolerances

Frequently Asked Questions

01 What does the 'P' suffix mean on the HEC 630P?

The P suffix designates the Precision variant of the HEC 630 series. This means the spindle bearings, linear guideways, ballscrews, and rotary table are manufactured and assembled to tighter tolerances than the standard HEC 630. The resulting machine achieves positioning accuracy of 4 µm and repeatability of 2 µm, compared to the standard HEC 630's 5–6 µm and 3–4 µm specifications. The P variant is recommended for aerospace, precision gear, and medical equipment manufacturing applications.

02 What pallet automation options are available for the HEC 630P?

The HEC 630P can be integrated with Heckert's pallet pool systems ranging from 4-pallet compact systems to large multi-machine pool systems with 30+ pallets. The pallet changer is compatible with Heckert's cell management software for automatic program selection, tool life tracking, and fixture identification. This enables unattended overnight and weekend production runs without operator intervention.

03 How does the HEC 630P compare to the Okuma MA-600H?

Both are strong 630 mm pallet HMCs targeting automotive and aerospace production. The Okuma MA-600H has a larger global installed base and very strong North American service support. Okuma's Thermo-Friendly Concept (TFC) thermal compensation is well-established. The Heckert HEC 630P's precision P specification and Starrag Group engineering standards typically deliver slightly better absolute accuracy specifications. Selection depends on geographic service support preference, existing control ecosystem, and whether the buyer prioritizes Okuma's broad North American support or Heckert's German precision manufacturing.

04 Can the HEC 630P machine titanium?

Yes. The 52 kW / 640 Nm spindle with HSK-A100 tooling provides sufficient torque and rigidity for titanium machining. The machine is used in European aerospace supply chains for titanium structural components. Titanium machining requires adequate coolant flow — the HEC 630P supports through-spindle coolant at high pressure (up to 80 bar optional) to maintain tool life and chip evacuation in titanium and other difficult-to-machine materials.

05 What is the tool magazine capacity and can it be expanded?

The standard tool magazine holds 80 tools in HSK-A100. The magazine can be expanded to 160 tools as an option, and a 320-tool extended magazine is available for highly automated production cells with many operations per pallet cycle. For pallet pool operations where multiple different fixtures run unattended, the large tool magazine is strongly recommended to avoid tool change interruptions between different part programs.