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Makino a51nx

The Makino a51nx is a horizontal machining center with a 400 x 400 mm pallet and X/Y/Z travels of 560/640/640 mm. It uses a 14,000 rpm spindle with CAT40 (HSK-63) taper and carries up to 60 tools in its automatic tool changer. The machine is controlled by the Pro6 control and is intended for ferrous and non-ferrous part production.

Source checked11/11 values · 2026-10-25MakinoCNC mill
X 560Y 640Z 640SPINDLE 14,000 rpmCAT40 (HSK-63)60 TOOLSALL DIMENSIONS mma51nx · TRAVEL ENVELOPEIsometric · X, Y, Z to scale
Travel X
560mm
Travel Y
640mm
Travel Z
640mm
Spindle max
14,000rpm

Specification

1 source
Categorycnc mill
Spindle taperCAT40 (HSK-63)
Rapid traverse60 m/min
Tool capacity60
Table length400 mm
Table width400 mm
Table load400 kg

Quick answers

What is the maximum spindle speed of the Makino a51nx?
14000 rpm, per a51nx (makino.com).
What is the X-axis travel of the Makino a51nx?
560 mm, per a51nx (makino.com).

Study notes

  • The Pro6 control includes Process Tracer and Feed Optimizer, which are components of Makino iKnowledge software.
  • A machine health monitoring system is included for proactive maintenance and downtime reduction.
  • The standard B-axis is direct-drive; the machine has 1G-axis acceleration.
  • Cutting feedrate is 50,000 mm/min.
  • Maximum workpiece size is ∅630 mm x 900 mm.
  • Tool-to-tool time is 0.9 s and chip-to-chip time is 2.2 s.
  • Maximum tool length is 430 mm for CAT and 420 mm for HSK; maximum tool diameter is 170 mm and maximum tool weight is 12 kg.
  • Optional spindle speed is 20K; optional ATC capacities are 40, 134, 219 and 311 tools.
  • The machine uses roller-type linear guides and one-piece X- and Z-axis way covers.
  • A dual-supported tool-change arm is used.
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