Legacy technical specification

AccurateCNC A522

Archived technical parameters for the discontinued AccurateCNC A522 PCB prototyping machine.

MTCPhCNC440 / PhCNC441Calibrated screws; PhSTdrive controllers with 0.1um internal resolution
AccurateCNC A522 machine
AccurateCNC A522
Original specification

Technical parameters

Model:A522
Working area (XxYxZ)381x259x33 mm, 15x10.2x1.3 inch
Machine designHeavy duty aluminum and stainless steel platform
Machine table16 mm, 0.625 inch stress relieved high stability aluminum alloy
Internal Resolution (X,Y,Z)0.1 μm , 0.0000039 inch (0.0039 mil) *
Positioning Repeatability (X,Y,Z)1.25 μm , 0.00005 inch (0.05 mil)
Absolute Accuracy (X,Y)7.5 μm at 254 mm (10 inch) **
Tool penetration controlConstant Automatic Surface Tracking - CAST™ , surface tracking relative to tool tip, fully programmable fully automatic. Uses a linear gauge with 1 μm , 0.039 mil resolution.
Tool CalibrationPrecise Linear Gauge on the Z axis (0.039 mil, 1 micron resolution)
Spindle speed [rpm]5,000 to 100,000 programmable
Spindle motor3-phase induction motor; 100K/300W
Spindle drivePhACdrive ™ (sensorless, vector control, DSP based)
Tool collet3.175 mm, 0.125 inch
Spindle run out5 μm, 0.0002 inch max
Collet controlWith knob on the spindle top
Tool ChangeSemi-automatic, prompted by control program
Minimum drill diameter0.1 mm (4 mil)
Minimum track size0.1 mm (4 mil)
Minimum gap size0.1 mm (4 mil)
Drilling speedUp to 180 drill cycles per minute (varies with the distance between holes)
Homing systemGold plated precision needle contacts
Max Travel speed (X,Y,Z)Up to 150 mm/s, 5.9 inch/s
X/Y/Z positioning system2 phase bipolar stepper motors, precision lead screws with ActiveCAM™ anti-backlash SuperNuts™ Calibrated screws for X/Y axes and Precise Linear Gauge on the Z axis ( 1 μm)
X/Y/Z stepper driversPhSTdrive ™ SMART stepper drive with calibrated screw table (DSP based), supporting temperature compensation for the screw and material **
Interface to PCUSB 2.0 with galvanic isolation (>1kV)
Spindle and vacuum start-stopProgram controlled, manual override available
Feed rate and Spindle speedProgram controlled, manual override available
Dimensions (WxDxH)584x431x330 mm, 23x17x13 inch
Weight36 Kg, 79 Lbs
Power Supply100~240VAC, 50/60Hz 415W (45W stand by)
Machine control systemPhCNC440 ™ 32 bit high performance CNC motion controller (up to 8000 command/sec)
Machine control programsIndustry standard G & M codes ASCII, PHJ job files
Control and Edit softwarePhCNC & PhCNC64, Windows based (Windows XP / Vista / 7 / 8 / 10) x86 & x64 Supporting firmware update for PhCNC440 ™ , PhACdrive ™ & PhSTdrive ™ (X/Y/Z)
ImportsGerber RS-274X files; Excellon Drill and Definition files; ODB++ files; AutoCAD DXF 2D files; PhCNC printer driver.
CameraFiducial / inspection video camera / microscope (USB 2.0) included.