a900Z

Horizontal Machining 5‑Axis

a900Z

Horizontal Machining 5-Axis

Reliable and efficient production with 5-axis flexibility
The a900Z horizontal machining centre is a versatile machine that builds upon the industry-leading performance and reliability of our NX-series four-axis HMCs, adding a factory-built and fully integrated “Z-type” fifth axis to accommodate today’s more complex part geometry challenges with a minimum number of workholding setups and machining operations.

The unique kinematic arrangement of the a900Z minimises the force path lengths both through the spindle and through the workpiece, efficiently transferring cutting loads and reactive forces into the machine’s three-point levelled bed. This maximises both metal removal rates and perishable tool life due to the system’s unparalleled rigidity.

 

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Technical Specifications

The a900Z accommodates workpieces of up to ⌀ 1,250 mm x 1,000 mm high, with payload weights up to 1,250 kg.  The X- and Y- strokes are 1,400 mm and 1,200 mm respectively, with the Z- stroke ranging from 1,185 mm – 1,265 mm, depending on the rotary axes positioning. Both rotary tables are of the direct drive type, with unlimited 360° movement on the B-, and 180° on the innovative ‘slant style’ C-axis unit. This allows a full range of workpiece positioning ranging from the pallet top sitting horizontal to the spindle centerline to parallel to the spindle centerline, or anywhere in between these two extremes. As has long been Makino’s hallmark, all axes on the a900Z have closed loop active temperature control standard, providing not only the superior dimensional control that is inherent to this design, but also extended component life even in the most demanding production environments. With rapid rates for all linear axes of 60 meters per minute, and a B-axis rotation rapid rate of 18,000 degrees per minute, this agile platform allows for highly efficient machine movements.
 
The a900Z’s standard 10,000 rpm high power spindle offers output capabilities of 55 kW peak power, and 721 Nm peak torque, making is ideal for wide ranging material applications. The optional 8,000 rpm high torque spindle is offered for customers machining tool materials and hard metals. Tool changer magazine sizes range from the standard 60 tool capacity ring type unit, and the optional 185 tool capacity matrix type.

The standard automatic pallet changer on the a900Z greatly increases machine utilization, allowing workholding fixture tending on one pallet while the other pallet’s workpiece is being machined. Since the APC is fully integrated into the core of the a900Z, it offers both unparalleled operation ease and system reliability.

The a900Z comes standard with our Fanuc based Pro-6 CNC control, featuring standard features such as a user-friendly touch screen interface, advanced tool data management, and our patented Makino Super Geometric Intelligence (SGI) high speed machining control system. 

Pallet:
800 mm
X: 1,400 mm Y: 1,200 mm Z: 1,265 mm

B-Axis

360° (continuous) – Direct Drive

C-Axis

180° – Direct Drive

Spindle RPM

10,000 (std.) / 8,000 (opt.) / 15,000 (opt.)

Rapid Traverse

60,000 mm/min

Cutting Feedrate

50,000 mm/min

Maximum Workpiece

⌀ 1,250 mm x 1,000 mm high

Maximum Payload

1,250 kg

ATC Capacity

60 (std.) / 185 (opt.)

Tool to Tool

1.8 - 1.9 sec

Maximum Tool Diameter

⌀ 356 mm

Maximum Tool Weight

30 kg