G-BU Bridge-Type Series 5-Axis Machining Center

Featuring a high-rigidity bridge-type structure and a high-performance Kessler A/C dual-swing head, the G-BU Series delivers exceptional speed, precision, and efficiency for complex multi-face machining of small and medium-sized parts.

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Types of G-BU Bridge-Type Series 5-Axis Machining Centers

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/HG-BU2030 / HG-BU2040

X-axis travel: 3,200/4,200 mm
Y-axis travel: 2,200 mm
Z-axis travel: 1,000 mm
A/B/C axis travel: A: ±110°/C: ±360du
Max. spindle speed: HSK-A63 18,000 rpm
/HG-BU2540 / HG-BU2560

X-axis travel: 4,200/6,200 mm
Y-axis travel: 2,700 mm
Z-axis travel: 1,000 mm
A/B/C axis travel: A: ±110°/C: ±360°
Max. spindle speed: HSK-A63 18,000 rpm
/HG-BU3060

X-axis travel: 6200 mm
Y-axis travel: 3200 mm
Z-axis travel: 1000 mm
A/B/C axis travel: A: ±110°/C: ±360°
Max. spindle speed: HSK-A63 18,000rpm

Designed with modular elements, the product can be serialized and customized according to market demand.
A/C dual swing head, five-axis linkage, efficient machining of complex curved surfaces and cavities.
Equipped with a high-speed motorized spindle and HSK tool adapters, this machine boasts features like high power output and a broad range of constant power.

Machining Application

Equipped with a high-speed motorized spindle and HSK tool adapters, this machine boasts features like high power output, a broad range of constant power, high machining accuracy, and higher machining efficiency.

Key Components

Foundation parts
High-strength and premium-quality materials are used for the bed and carriage, serving as the machine foundation, resulting in outstanding rigidity and excellent shock absorption properties.
Guide rail
The bed guide rails are high-precision roller linear guide rails, while the drive system comprises a dual-motor drive to ensure high dynamic feed of moving parts. The high dynamic feed of the moving parts is ensured through the CNC system's gantry axis synchronous control feature and the grating scale-assisted closed-loop detection.
Worktable
This high-quality gray cast iron casting exhibits excellent wear resistance and strong compressive performance. The evenly distributed anchor connections ensure that the stationary worktable is evenly stressed, allowing it to bear a load capacity of up to 5 T/m2.
Spindle
Equipped with a high-speed (12,500 rpm) motorized spindle and HSK-A100 tool adapters, this machine boasts features like high power output and a broad range of constant power. The spindle is furnished with a coaxial encoder for rigid tapping.

Machining Video

G-BU2560 5-Axis Machining Demos
G-BU2560 5-Axis Bridge-Type Gantry Machining Center

Technical Specifications

Item		Unit	HG-BU2030 / HG-BU2040	HG-BU2540 / HG-BU2560	HG-BU3060
Travel	X-axis	mm	3,200/4,200	4,200/6,200	6,200
	Y-axis	mm	2,200	2,700	3,200
	Z-axis	mm	1,000	1,000	1,000
	A/B/C axis travel	°	A: ±110/C: ±360	A: ±110/C: ±360	A: ±110/C: ±360
	Effective width between columns	mm	3,200	3,700	4,200
Worktable	Worktable width	mm	2,000	2,500	3,000
Worktable	Worktable length	mm	3,000/4,000	4,000/6,000	6,000
Spindle	Spindle taper	/	HSK-A63	HSK-A63	HSK-A63
	Max. spindle speed	r/min	18.000	18.000	18.000
	Motor power	kW	30	30	30
	Output torque	N.m	72/85	72/85	72/85

G-BU Series Bridge-type Five-axis Gantry Machining Center – FAQ

What is the core structural design and layout of the G-BU Series?

It is designed with modular bridge-type elements featuring a stationary high-quality gray cast iron worktable and a moving gantry bridge structure. This modular configuration allows the machine to be easily serialized and customized to meet specific market demands.
What type of dual swing head and spindle are equipped on the G-BU Series?

The standard configuration features a Kessler A/C Linkage Dual Head supported by ultra-high rigidity bearings and driven by torque motors for smooth operation. It is equipped with high-speed motorized spindles (ranging from 12,500 rpm to 18,000 rpm depending on the model) utilizing HSK-A100 or HSK-A63 tool adapters to ensure high power output and precision.
How does the machine ensure high dynamic feed and closed-loop positioning accuracy?

The drive system incorporates a dual-motor drive for high dynamic feed rates, supported by the CNC system’s gantry axis synchronous control feature and grating scale-assisted closed-loop detection.
What is the load capacity and material properties of the G-BU Series worktable?

The stationary worktable is made of premium gray cast iron casting with exceptional wear resistance and compressive performance. With evenly distributed anchor connections to ensure uniform stress distribution, it supports a maximum load capacity of 5T/m².
Which CNC control systems are available for this series?

The high-performance Siemens SINUMERIK ONE system is equipped as standard. Additionally, Heidenhain and Huazhong Numerical Control (HNC) systems are available as optional configurations based on user preference.
What optional features and accessories can be selected to enhance automation and machining performance?

Optional configurations include various spindle speed/power variants, Fagor or Heidenhain grating scales, 24-tool magazines, high-pressure spindle center coolant (2MPa/3MPa), workpiece measurement probes, tool setters, and water guns for chip flushing.

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G-BU Bridge-Type Series 5-Axis Machining Center

G-BU Bridge-Type Series Highlights

Machining Application

Key Components

Machining Video

Technical Specifications

G-BU Series Bridge-type Five-axis Gantry Machining Center – FAQ

What is the core structural design and layout of the G-BU Series?

What type of dual swing head and spindle are equipped on the G-BU Series?

How does the machine ensure high dynamic feed and closed-loop positioning accuracy?

What is the load capacity and material properties of the G-BU Series worktable?

Which CNC control systems are available for this series?

What optional features and accessories can be selected to enhance automation and machining performance?

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Discover Our Taikan 5-Axis Machining Centers

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