Heavy-Duty HMCs: Heller F 8000 & Kitamura HX630G/800

Heavy-Duty HMCs: Heller F 8000 & Kitamura HX630G/800

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Heavy-Duty HMCs: Heller F 8000 & Kitamura HX630G/800



When Stability Matters More Than Speed

Not every machining job is about cycle time. For large structural components, deep-cut roughing, and multi-face machining, the deciding factor is stability. A machine that flexes under load will never hold tolerance—no matter how fast it runs.

This guide covers two horizontal machining centres that were built with a different priority: the Heller F 8000 and the Kitamura Mycenter-HX630G/800. Both are engineered for manufacturers who need to machine big parts accurately and repeatedly—aerospace structures, energy components, heavy engineering.


Heller F 8000

Large-Format 5-Axis Precision

The Heller F 8000 sits at the top end of Heller's F-series. It's a large-format, heavy-duty horizontal machining centre engineered for maximum rigidity, precision, and long-run reliability in demanding production environments. [1]

What sets it apart is its combination of a large work envelope and a compact footprint. The F 8000 offers a working envelope of 1,400 x 1,200 x 1,400 mm (X/Y/Z), yet occupies 25% less floor space than its predecessor—thanks to a redesigned rack-type tool storage system. [5] Four machines can be placed side by side where previously only three could fit. [1]

Key Specifications

Specification
Details
Type
5-Axis Horizontal Machining Centre
Travel (X/Y/Z)
1,400 / 1,200 / 1,400 mm
Pallet Size
800 × 800 mm standard; 1,000 × 1,000 mm optional
Max Pallet Load
2,000 kg standard; 3,000 kg optional
Spindle Interface
HSK-A 100 standard
Spindle Options
Dynamic Cutting Unit: 12,000 rpm / 400 Nm; Speed Cutting Unit: 15,000 rpm; Power Cutting Unit: 8,000 rpm / 1,146 Nm
Positioning Accuracy (PRO)
6 µm in X/Y/Z (25% improvement over previous model)
Acceleration (PRO)
6 m/s² (50% higher than standard)
Control
Siemens SINUMERIK ONE (compatible with 840D sl programs)

The F 8000 is equipped with an automatic pallet changer as standard. Extended automation with linear or rotary storage systems or robots is available. [1] A high-torque, direct-drive rotary table for combined mill-turn operations allows external and internal contours to be turned in a single setup—improving accuracy and reducing cycle times. [6]


InfoThe F 8000 gives you large-format capability without the large-format footprint.


Case Study

La Meccanica di Reffo

Italian manufacturer La Meccanica di Reffo modernised its entire manufacturing process with the HELLER FP 8000, including Fastems automation, multi-pallet handling, and high-precision 5-axis technology. [8]

The results:
  1. Significantly higher productivity
  2. Maximum flexibility through automation
  3. Consistent quality at the highest level
According to Heller Italia, the introduction of the FP 8000 represented "a technological leap forward" and "a real competitive renewal." La Meccanica di Reffo is now faster, more stable, and more cost-efficient. [8]


Kitamura Mycenter-HX630G/800

Heavy-Cutting Rigidity

The Kitamura Mycenter-HX630G/800 is a high-rigidity, heavy-cutting horizontal machining centre built around a #50-taper spindle. It sits in the upper tier of Kitamura's HX series, aimed at aerospace, energy, heavy engineering, and complex multi-face machining where stability and accuracy matter more than raw speed.

What makes Kitamura different is its construction philosophy. Every critical component is designed and manufactured in-house—from iron castings to spindles. The result is exceptional static and dynamic rigidity. [2]

Key Specifications

Specification
Details
Type
Horizontal Machining Centre
Travel (X/Y/Z)
1,100 / 920 / 1,050 mm
Pallet Size
630 × 630 mm (800 × 800 mm optional)
Max Workpiece
Ø1,080 mm × 1,300 mm height
Max Workpiece Weight
1,500 kg
Spindle Taper
NST No. 50 (HSK-A100 optional)
Spindle Speed
12,000 rpm standard; 8,000 rpm high-torque option
Spindle Power
22–40 kW (config dependent)
Rapid Traverse
60,000 mm/min (2,362 ipm)
Positioning Accuracy
±0.002 mm full stroke
Repeatability
±0.001 mm
Tool Magazine
62 tools standard; expandable to 212
Control
Arumatik-Mi

The HX630G/800 uses Kitamura's patented twin ballscrew and dual feedback technology on all axes, with linear scale feedback as standard. [2] The box-way construction and hand-scraped mating surfaces keep heavy, dense workpieces locked in place through aggressive cuts—while the 12,000 rpm geared spindle supplies the torque to push through material without giving up a fine finish. [4]

An optional 5th-axis rotary table gives access to all four faces of a workpiece in a single setup—no re-fixturing, no stack-up error. [4]

InfoThe HX630G/800 is built for finesse, sheer mass, and stability. When you need to machine large parts accurately, this is the machine.


Case Study

ATD Precision Manufacturing

ATD Precision Manufacturing, a job shop, needed to machine an aluminium block weighing 350 lbs (159 kg) that "barely fit" on their existing machine—with only 1/8-inch clearance at best. The part required 5-axis machining to be doable in a reasonable amount of time. [4]

They chose the Kitamura Mycenter-HX630G/800. According to CNC Machining Manager Gino Abishalom: "The aluminum block weighs 350 lbs, and it barely fit on our Mori — like 1/8-inch clearance at best." [4]

The HX630G/800's box-way construction and hand-scraped mating surfaces kept the heavy workpiece locked in place through aggressive cuts. The 12,000 rpm geared spindle supplied the torque to push through material while maintaining a fine finish. [4]

ATD opted for the 5th-axis rotary table, giving them access to all four faces of the block in a single setup—no re-fixturing, no stack-up error. The result:
  1. Machining time started at 11 hours from beginning to end
  2. Expected to be cut in half as they continue to dial in the machine
As Abishalom put it: "We upgraded our tooling, our holders, and all our support processes to make gains anywhere we can. Machining time started at 11 hours from beginning to end, but as we continue to dial in the MYCENTER, I expect to knock that time in half." [4]


Which Machine Is Right for Your Application?

Consideration
Heller F 8000
Kitamura HX630G/800
Best For
Large structural components, 5-axis multi-face machining, mill-turn operations
Heavy-cutting, large precision parts, high-rigidity applications
Max Work Envelope
1,400 × 1,200 × 1,400 mm
Ø1,080 × 1,300 mm
Pallet Load
Up to 3,000 kg
Up to 1,500 kg
Spindle Speed
Up to 15,000 rpm (18,000 rpm optional)
Up to 12,000 rpm (8,000 rpm high-torque option)
Automation
APC standard; linear/rotary storage or robots available
2-station APC standard; expandable to 14-station pallet pools
Control
Siemens SINUMERIK ONE
Arumatik-Mi

If you're machining large parts that need multi-face access in a single setup, the Heller F 8000 is the natural choice. If your priority is heavy-cutting rigidity and precision on dense workpieces, the Kitamura HX630G/800 delivers.

If you're not sure which fits your application, that's what we're here for. We've installed both machines in Australian workshops—including two HX630G/800s in Melbourne earlier this year—and we can help you match the machine to your parts, materials, and production goals.


Why MQTooling for Heller & Kitamura in Australia

MQTooling represents both Heller and Kitamura in Australia. That means you get genuine machines, full warranty, and local backing—not a grey-market import with no support.

But our role goes beyond distribution. We help you select the ideal machine for your specific applications, support installation and commissioning, and provide ongoing service and technical advice. Our team has decades of hands-on manufacturing experience, and we understand the realities of production environments.


Citations

Heller F 8000 Citations

Citation Reference
Source Link
What It Supports
Heller F 8000 specifications (travel, footprint, acceleration, precision)
25% smaller footprint, 6 m/s² acceleration, 6 µm positioning, 1,400 x 1,200 x 1,400 mm work envelope, 4,000 mm pallet options
Heller F 8000 detailed specifications
Spindle options (DCU, SCU, PCU), pallet load up to 3,000 kg, Siemens SINUMERIK ONE control, mill-turn capability
Heller F 8000 (additional specs)
Spindle torque and speed specs, pallet compatibility, automation options
Heller F 8000 chip management
Chip removal via spiral conveyors, work area shower, coolant mist extraction
La Meccanica di Reffo case study
FP 8000 with Fastems automation, productivity gains, competitive renewal

Kitamura HX630G/800 Citations

Citation Reference
Source Link
What It Supports
HX630G/800 specifications
Table 630×630 mm, work envelope Ø1,080 × H1,300 mm, X/Y/Z 1,100/920/1,050 mm, positioning accuracy ±0.002 mm, repeatability ±0.001 mm
HX630G/800 detailed specs
Spindle 12,000 rpm standard / 8,000 rpm option, 22 kW spindle power, 62 tools standard, machine weight 21,000 kg
HX630G/800 construction details
Box-shaped construction, linear scales on all axes, dual ball screw design, 2,362 ipm feed rates
ATD Precision Manufacturing case study
350 lb aluminum block, 5th-axis rotary table, 11 hours machining time expected to halve




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