APEC G Series 5-Axis Large Format High Speed Gantry Machining Centers for Aerospace & Injection Molds

G-Series

The APEC G Series is a large-format 5-axis gantry-type machining center built for oversized aerospace structures and large injection molds. Engineered with a U-shaped, one-piece casting and ductile iron ram, the G Series ensures extreme rigidity, stability, and long-term accuracy. Competing directly with global brands like Fidia, Parpas, and Zimmerman, the G Series delivers high-performance solutions for manufacturers requiring precision machining of complex and large-scale components. Its robust construction and advanced drive technologies make it ideal for industries such as aerospace, automotive, energy, and mold & die.

Compare the G and GM Series

Benefits for Metal Cutting Manufacturers

The APEC G Series provides metal cutting manufacturers with the stability, rigidity, and high accuracy needed to machine large parts with confidence. By combining advanced spindle technology, linear motor drives, and dual ball screws, the G Series enables cycle time reduction while achieving ultra-fine surface finishes. For aerospace and mold & die shops, this means producing lightweight, structurally sound components that meet the highest quality requirements.

Stability & Rigidity: U-shaped structure ensures cutting forces flow directly into the foundation for consistent precision.
High Accuracy: Balanced machine design minimizes vibration and thermal deformation for repeatable accuracy.
Ultra-Fine Surface Finishes: Direct-drive head and optimized coolant systems deliver contouring quality required in aerospace.
Cycle Time Reduction: Linear motors and high feed rates improve throughput on complex, oversized parts.
Reliability & Productivity: Robust construction and water-cooled ball screws maintain accuracy under long production runs.

With the APEC G Series, manufacturers gain a machine solution that improves part quality, reduces scrap rates, and enhances overall shop efficiency.

Key Features

Large-Format Gantry Design – Optimized for oversized aerospace structures and molds, providing rigidity and dynamic stability.
One-Piece U-Shaped Structure – Shortest transmission path for cutting forces, reducing deflection and vibration.
Linear Motor Drives (X/Y) – Eliminates mechanical transmission losses for responsive, high-speed axis movement up to 60 m/min.
Dual Ball Screws with Hollow Water Cooling (Z-Axis) – Manages heat generated under heavy vertical cutting loads to preserve long-term Z-axis accuracy.
Ductile Iron Ram & Saddle – Maximum damping for vibration-sensitive aerospace machining.
Direct Drive 2-Axis Head – Delivers the torque and angular resolution needed for accurate, low-error contouring across complex curved geometries.
Flexible Spindle Options – High-speed spindles (20,000–24,000 rpm) for aluminum alloys or high-torque spindles for tougher materials.
Chip Evacuation & Coolant Systems – Optimized for high-volume material removal during extended cuts on large aluminum and composite workpieces.
Fully Enclosed Work Zone – Protects operators and contains chips and coolant during both high-speed aluminum cutting and heavy-duty machining.

Ideal Cutting Applications

Aerospace Structures – Machining of large wings, fuselage panels, spars, ribs, bulkheads, and frames.
Engine Components – Precision machining of housings, casings, and complex turbine parts.
Mold & Die – Large-format injection molds, stamping dies, and precision forming tools.
Energy & Transportation – Heavy-duty machining for wind turbine hubs, locomotive components, and industrial machinery bases.
Automotive – Large die sets, prototype tooling, and high-accuracy body structure components.

The APEC G Series is especially effective in aerospace machining of aluminum alloys and thin-wall structures, where accuracy, rigidity, and speed are critical to success.

Specs
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Specifications

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Item / Model	G2520/40/50/60/80 Request a Quote	G3020/40/50/60/80 Request a Quote
X-Axis	78.74″/157.48″/196.85″/236.22″/314.96″	78.74″/157.48″/196.85″/236.22″/314.96″
Y-Axis	98.43″	98.43″
Z-Axis	39.37″	39.37″
Table Length	78.74″/157.48″/196.85″/236.22″/314.96″	78.74″/157.48″/196.85″/236.22″/314.96″
Table Width	101.57″/98.43″/98.43″/98.43″/98.43″	118.11″
Max Table Load	17.64 lbs./ft²	17.64 lbs./ft²
Rapid Traverse	XY = 2362 IPM Z = 1575 IPM	XY = 2362 IPM Z = 1575 IPM
XYZ Axis Acceleration	16.4 ft./sec²	16.4 ft./sec²
Spindle Taper	HSK-63A	HSK-63A
Spindle Speed	24,000 RPM	24,000 RPM
Spindle Power (S1/S6)	47 HP	56 HP
Spindle Torque (S1/S6)	41 ft. lbs.	50 ft. lbs.
Swivel/Rotation Torque	A = 390 ft. lbs. C = 578 ft. lbs.	A = 641 ft. lbs. C = 954 ft. lbs.
Swivel/Rotation Speed	30 RPM (cont.) 60 RPM (max.)	30 RPM (cont.) 60 RPM (max.)
Swivel/Rotation Angle	A=±125° C=±360°	A=±125° C=±360°
Clamping Torque	2,950 ft. lbs.	2,950 ft. lbs.
Max. Tool Length	11.81″	11.81″
Max. Tool Diameter with Adjacent Tool	Ø2.95″	Ø2.95″
Max. Tool Diameter without Adjacent Tool	Ø5.91″	Ø5.91″
Weight	85,000 lbs.	158,000 lbs.

Category	APEC G Series	APEC GM Series
Core Function	Large-format 5-axis gantry machining for oversized aerospace structures & large injection molds	Large-format 5-axis gantry machining for large stamping dies, molds, and oversized industrial components
Structural Design	U-shape one-piece casting with ductile iron ram for rigidity & vibration damping	Box-in-box symmetrical structure with low center of gravity for rigidity & thermal stability
Best For	Aerospace aluminum structures, thin-wall parts, and large injection molds	Large stamping dies, precision molds, oversized industrial parts with secondary aerospace capability
Spindle	High-speed 20k–24k rpm or high-torque spindle options	High-speed 20k–24k rpm or high-torque spindle options
Drive System	Linear motors (X/Y) + dual water-cooled ball screws (Z)	Linear motors (X/Y/Z) + dual water-cooled ball screws (Z)
Highlight Advantage	Accuracy through rigidity — ideal for aerospace thin-wall structures & heavy molds	Accuracy through speed & stability — optimized for stamping dies & large mold machining