Ex-Cell-O GX 510

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

Key Specifications

X Travel

640 mm (25.2 in)

Y Travel

640 mm (25.2 in)

Z Travel

640 mm (25.2 in)

Max Spindle

12,000 RPM (18,000 RPM optional)

Spindle Taper

HSK-A63

Tool Capacity

80 (expandable to 160+)

Overview

The Ex-Cell-O GX 510 is a 500 mm pallet precision horizontal machining center engineered for high-accuracy production machining in automotive powertrain, aerospace, and precision mechanical engineering applications. Ex-Cell-O, a brand with deep roots in American precision machine tool manufacturing — and now part of the MAG Industrial Automation Systems (later Fives group) heritage — brings a legacy of geometric precision and thermal management expertise to the GX 510 platform.

The GX 510 is designed around the 500 mm pallet size that has become the production HMC standard for medium-sized prismatic parts. Its architecture emphasizes geometric accuracy and long-term repeatability: key bed castings are heavily ribbed and tuned for minimal thermal deformation, all linear axes use precision ball screws with direct position feedback, and the rotary B-axis pallet uses a high-resolution encoder for sub-arcsecond indexing accuracy. These design choices reflect Ex-Cell-O's automotive line machining heritage where bore-to-bore positional accuracy in cylinder blocks and heads determines engine performance.

With spindle power up to 52 kW and HSK-A63 tooling, the GX 510 handles cast iron heavy-duty boring operations as readily as aluminum high-speed face milling. The standard twin-pallet shuttle keeps spindle utilization high in standalone operation, and the machine integrates with pallet pool FMS systems through standard mechanical and communication interfaces.

Ex-Cell-O's GX-series has served automotive OEM transfer line and FMS applications across Europe and North America, earning a reputation for tight bore tolerances, long service intervals, and structural rigidity that supports heavy-duty boring operations without compromise. The GX 510 continues this tradition in a contemporary horizontal machining center form factor.

Full Specifications

Parameter	Value
Pallet Size	500 x 500 mm
Table Load Capacity	700 kg (1,543 lb)
X-Axis Travel	640 mm (25.2 in)
Y-Axis Travel	640 mm (25.2 in)
Z-Axis Travel	640 mm (25.2 in)
Max Spindle Speed	12,000 RPM (18,000 RPM optional)
Spindle Taper	HSK-A63
Spindle Motor Power	52 kW (69.7 hp)
Spindle Torque	480 Nm
Rapid Traverse Rate	60 m/min (2,362 ipm)
Tool Capacity	80 (expandable to 160+)
B Axis Indexing	0.001° resolution
Positioning Accuracy	0.003 mm (ISO 230-2)
CNC Control	Siemens Sinumerik 840D sl / Fanuc 31i
Manufacturer	Fanuc
Model	LR Mate 200iC
Horsepower	261 hp
Mileage	7,544 mi
Fuel Type	Gasoline
No Of Axis	6 axis

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

Strengths & Limitations

Strengths

Heritage of automotive OEM bore machining precision: tight positional accuracy (0.003 mm) is a design goal, not a nominal specification
52 kW / 480 Nm spindle handles both heavy cast iron boring and aluminum high-speed face milling without compromise
500 mm pallet and 700 kg table load cover the full medium-large automotive and industrial component part family
B-axis indexing to 0.001° provides fine angular positioning for compound-angle bores and indexed face machining without additional indexing heads

Limitations

Ex-Cell-O as a standalone brand has limited independent market presence following the MAG/Fives industry consolidations; ongoing support depends on the current group structure
4-axis HMC configuration without 5-axis contouring limits the GX 510 to prismatic and indexed work; complex contoured surfaces require dedicated 5-axis platforms
Higher price point than equivalent-specification Asian HMC competitors requires customers to value Ex-Cell-O's precision heritage and support infrastructure

Best For

Automotive powertrain manufacturers — OEMs and Tier 1 suppliers — producing cylinder blocks, heads, and transmission housings where bore positional accuracy directly impacts end-product performance Aerospace structural part producers requiring precise hole location on large aluminum and titanium workpieces within a 500 mm pallet envelope Industrial pump and compressor manufacturers machining large cast iron and ductile iron housings where bore diameter, roundness, and positional tolerances are tightly controlled Precision mechanical engineering shops transitioning from dedicated transfer line boring machines to flexible HMC-based production

Frequently Asked Questions

01 What is the heritage of the Ex-Cell-O brand?

Ex-Cell-O was a major American precision machine tool builder with roots dating to the early 20th century, known for high-precision boring, milling, and gear manufacturing equipment. The brand became part of MAG Industrial Automation Systems, which later merged into the Fives group. The GX-series HMCs carry forward Ex-Cell-O's precision boring heritage in a modern horizontal machining center format.

02 What makes the GX 510 suitable for automotive bore machining?

The GX 510 achieves 0.003 mm positioning accuracy on linear axes and sub-arcsecond B-axis indexing, enabling tight bore-to-bore positional tolerances across a part face. Combined with 52 kW spindle power for boring through heavy cast iron, the GX 510 matches the performance that automotive OEM cylinder block and head machining demands.

03 What spindle taper does the Ex-Cell-O GX 510 use?

The GX 510 uses HSK-A63 taper — the standard for production HMCs in the 500 mm pallet class. This provides consistent clamping force and radial stiffness across the full spindle speed range, critical for bore diameter repeatability in production.

04 Can the GX 510 be integrated into a flexible manufacturing system?

Yes. The GX 510 uses standard 500 mm pallet interfaces compatible with major FMS rail systems and automated guided vehicles. Communication interfaces for standard FMS host control systems are available through the Siemens and Fanuc control platforms.

05 How does the GX 510 compare to Heller H4000 in the 500mm pallet HMC category?

Both are robust 500 mm pallet HMCs with high spindle power and automotive heritage. The Ex-Cell-O GX 510 emphasizes bore positioning accuracy with its 0.003 mm specification and fine B-axis indexing. The Heller H4000 has a broader FMS ecosystem and stronger current dealer network through Heller's global subsidiary structure. Application fit depends on specific accuracy requirements and support preferences.