Chinese
Japanese

February 22, 2017
Back to the Freeform L Page
Contact Us:
Corporate Office:
44 Blackbrook Road
Keene, NH 03431 USA
Tel: 603 357-2511
Fax: 603 358-6174

Freeform® L Technical Product Specifications


Machine Base and Control Description
Machine base Sealed natural granite base provides exceptional long term machine tool stability
Machine type Ultra precision five axis CNC contouring machine
Vibration Isolation Self leveling dual chamber pneumatic isolation system
Control system UPx™ machine tool control operating system with UPx Data Store and Windows 7
sub systems
Operating system QNx real time operating system with 64 bit floating point decimal precision
Programming resolution 0.01nm linear / 0.0000001˚ rotary
File transfers USB, CD-ROM, Ethernet
Turning performance Turning surface roughness under 1.5 nm Ra  
Turning form accuracy under 0.125 micron P-V
Milling performance Milling surface roughness under 10 nm Ra
(< 3 nm is achievable with optimum material and cutting conditions) 
Milling form accuracy under 0.2 micron P-V
 

Linear Oil Hydrostatic Slideways Description
Travel X axis: 350 mm (13.8 in.) Vertical Y axis: 150 mm (5.9 in.) Z axis: 300 mm (11.8 in.)
Maximum feedrate 3000 mm/min. (118 in./min.)
Drive system Linear Motors used in all three linear axes
Position feedback resolution 0.034 nm for all three linear axes
Straightness horizontal / vertical X axis: 0.3 µm (12 µ/in.) /0.75 µm (30 µ/in.) Y axis: 0.5 µm (20 µ/in.) both directions Z axis: 0.3 µm (12 µ/in.) / 0.5 µm (20 µ/in.)
X pitch / roll motion 2.0 arc-sec
Z pitch / roll motion 2.0 arc-sec
Y pitch / yaw motion 2.0 arc-sec
X vertical / horizontal Stiffness 438 N/µm/438 N/µm (2,500,000 lbs/in.)
Z vertical / horizontal Stiffness 438 N/µm/438 N/µm (2,500,000 lbs/in.)
Y- Z dir. / X-dir. stiffness 263 N/µm/263 N/µm (1,500,000 lbs/in.)


Workholding air bearing spindle High Performance HS150 Spindle
Spindle air bearing type Slot type thrust bearing
Materials Steel shaft / Bronze journal
Standard swing capacity 600 mm
Axial stiffness 230 N/micron (1,314,000 lbs/inch)
Radial stiffness 130 N/micron (743,600 lbs./inch)
Motion accuracy Axial/Radial ≤ 15 nm (0.6 micro inches)
Thermal control Liquid cooled chiller +/- 0.1 C Accuracy
C-axis feedback resolution 0.010 arc-sec 16,200 line encoder
C-axis positioning accuracy +/- 1 arc-sec
C-axis max speed 1,500 RPM
Workholding spindle max speed 10,000 RPM


Rotary Oil hydrostatic B-axis HydroRound Rotary B-axis
Type Bi-conical, self compensated, patented oil hydrostatic bearing with integral motor and integral encoder
Load capacity 454 kg (1,000 lbs)
Tabletop size 380 mm (15 in.) diameter
Maximum speed 3,600˚/min.
Feedback resolution 0.003 arc-sec
Positioning accuracy +/- 1.0 arc-sec
Radial error motion 0.10 µ (4 micro in.) @ 1 in. above table and can be improved with optional error mapping
Axial error motion 0.10 µ (4 micro in.)
Coning error 1.0 nm/mm (1.0 µ/in.)
Radial stiffness 525 N/µm (3,000,000 lbs/in.)
Axial stiffness 875 N/µm (5,000,000 lbs/in.)
Moment stiffness 17 N-m/µrad (150 inch-lbs/µrad)


Optional Milling / Grinding Spindles SP75FF Spindle Levicron High Speed Milling Spindle
Air supply pressure 690 KPA (100 PSI) 610 KPA (88 PSI)
Air consumption 99. lpm (3.5 SCFM) 1.1 l/s (2.4 SCFM)
Radial load capacity 32 kg (70 lbs) Ultimate Load Capacity 29 Kg (65 lbs) ultimate
Axial stiffness 70 N/µm (400,000 lbs/in.) 50 N/μm (285,000 lbs/inch)
Radial stiffness 22 N/µm (125,000 lbs/in.) 35 N/μm (200,000 lbs/inch)
Axial error motion Under 0.05 µ (2 micro in.) < 30 nm asynchronous
Radial error motion Under 0.05 µ (2 micro in.) < 30 nm asynchronous
Maximum speed 15,000 RPM 80,000 RPM (stiffness increases 50% with 60k RPM model)


Facility Requirements Freeform L
Power 208 or 230 VAC - 1 phase - 50/60 Hz - 4.5 KVA
Compressed air supply Typical: 14 scfm at 100 psig, filtered to 50 microns and dry to 10 C dew point
Machine size and weight 216 cm x 140 cm x 203 cm (85 in. x 55.5 in. x 80 in.) 3400 kg/7500 lbs (Not including control pendant or auxiliary equipment)

Back to the Freeform L Product Page