Industrial CNC Machine Directory

Heckert HEC630

$500,000 - $750,000 Updated 2026-03-16
01

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

12,000 RPM (16,000 RPM optional)

Spindle Taper

HSK-A63

Tool Capacity

80 (expandable to 300)

02

Overview

The Heckert HEC630 scales the HEC500 platform to a 630 mm pallet, the industry standard for mid-to-large horizontal machining centers used in automotive powertrain production and aerospace structural component manufacturing. The 630 mm pallet size accommodates larger engine blocks, gearbox housings, and aerospace structural components that exceed the HEC500 capacity while remaining in a compact enough machine envelope to be used in flexible manufacturing systems.

The HEC630 retains the same German engineering philosophy as the HEC500: moving-column design with rotary pallet table for four-sided access, high-precision ballscrews and guideways, and a spindle system providing both the torque for steel and cast iron and the speed for aluminum production. The larger pallet drives a higher table load capacity of 1,200 kg, and the spindle motor steps up to 50 kW to match the larger tooling diameters typical at this scale.

The 630 mm pallet class puts the HEC630 in direct competition with the Okuma MA-600H, Mazak HCN-6800, DMG Mori NHX 6300, and Makino a81. All are strong machines in this segment, but the Heckert is the German alternative that European automotive and aerospace manufacturers evaluate when sourcing equipment for the Siemens-control ecosystem and valuing long-term accuracy retention in production environments.

The HEC630 is particularly well-suited for automotive powertrain plants where cast iron cylinder blocks and aluminum transmission cases run on the same pallet system, requiring the machine to handle both materials at production volumes. The horizontal spindle and gravity chip evacuation are significant advantages in these applications compared to vertical machining centers.

03

Full Specifications

Parameter Value
Pallet Size 630 x 630 mm
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 12,000 RPM (16,000 RPM optional)
Spindle Taper HSK-A63
Spindle Motor Power 50 kW (67.0 hp)
Spindle Torque 360 Nm
Table Load Capacity 1,200 kg (2,646 lb)
Rapid Traverse Rate 60 m/min (2,362 ipm)
Tool Capacity 80 (expandable to 300)
Positioning Accuracy < 0.006 mm (< 6 µm)
CNC Control Siemens Sinumerik 840D sl / Fanuc
Machine Weight 25,000 kg (55,116 lb)

Specifications sourced from starrag.com — verified 2026-03-28

04

Strengths & Limitations

Strengths

  • 630 mm industry-standard pallet size provides broad tooling, fixture, and FMS compatibility with other 630 mm class machines in mixed-machine production cells
  • 50 kW / 360 Nm spindle covers both cast iron powertrain roughing and aluminum high-productivity facing in a single machine platform
  • Heckert accuracy retention in German-quality production over multi-year machine lives, validated by European automotive tier-1 suppliers
  • 1,200 kg pallet load capacity covers large automotive engine blocks and aerospace structural components without requiring specialized fixturing

Limitations

  • Heckert service and parts availability in North America is limited compared to Mazak or Okuma, which is a meaningful risk consideration for shops outside Europe
  • $500K-$750K price range is at the premium end of the 630 mm HMC segment when compared to Japanese competitors offering similar specifications
  • Less CAM post-processor and application support documentation available for North American shops compared to Japanese brands with larger domestic installed bases
05

Best For

Automotive powertrain manufacturers producing engine blocks, cylinder heads, and transmission housings in high volume on automated pallet systems Aerospace tier-1 manufacturers machining large structural brackets, frame sections, and housings in aluminum alloys requiring four-sided access General industrial manufacturers machining mid-to-large pump and compressor housings, valve bodies, and manifolds in steel and stainless European manufacturers standardizing on Siemens-controlled machining cells with common fixturing across multiple machine types
06

Frequently Asked Questions

01 Why is 630 mm pallet size significant in horizontal machining centers?

630 mm is an industry-standard pallet size used across many HMC brands, which means fixtures, pallets, and automation systems designed for one 630 mm machine are often compatible with others. This standard size also marks the threshold between mid-size HMCs (500 mm and below) and larger machines (800 mm and above), covering the core automotive and general engineering production range.

02 How does the HEC630 compare to the Mazak HCN-6800?

Both are 630 mm class horizontal machining centers in the $500K-$750K range. The Mazak HCN-6800 has stronger brand recognition and service coverage in North America and strong Mazatrol control familiarity. The Heckert HEC630 runs Siemens Sinumerik 840D sl (or Fanuc), preferred in European automotive environments. Accuracy specifications and spindle power are comparable; the choice often comes down to service coverage and control preference.

03 Can the HEC630 be integrated into a flexible manufacturing system?

Yes. The HEC630 is designed with FMS integration in mind. Multi-pallet systems from 10 to 60+ pallets can be configured around the HEC630 for lights-out automotive production. Heckert and the Starrag Group provide FMS engineering support, and the machine is commonly deployed in automotive production lines alongside automated guided vehicles (AGVs) and overhead gantry systems.

04 What is the maximum table load on the HEC630?

The HEC630 accepts up to 1,200 kg on the rotary pallet table. This covers the majority of automotive cylinder blocks (typically 100-400 kg), large transmission housings, and mid-size aerospace structural components. For workpieces exceeding 1,200 kg, the HEC800 provides 2,000 kg capacity at the same pallet architecture.

05 What are the typical tooling and spindle options for the HEC630?

Standard configuration is the 12,000 RPM spindle with 50 kW and 360 Nm for mixed steel and aluminum production. The 16,000 RPM option is available for shops focused on aluminum or high-speed finishing. HSK-A63 taper is standard. Tool magazine starts at 80 pockets and expands to 300+ for long unmanned production runs. Through-spindle coolant at high pressure is available for deep-hole drilling and titanium machining.

07

Videos

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Heckert HEC630 – standard machines configured for ‘bespoke’ use

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STARRAG HECKERT CWK 630 - Horizontal machining center - KISTNER Machine Tools

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Heckert - Helical interpolation turning on a HEC 630 Athletic

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