Hamar Laser

United Kingdom

See product on hamarlaser.com

DESCRIPTION The L-720M was designed specifically to be used for both lathe-type alignments and machining center-type alignments. It is virtually the same as the L-720 except the laser can be removed from the base and inserted into a spindle chuck using a .500" mounting stud. Like the L-720, it has a single, continuously rotating laser plane with a straight-line laser that is plumb to the plane. The laser-tilt base includes split-prism levels that are accurate to1 arc-second. The laser mounts on a machine or stable base so that the laser plane can project the reference out

to 100'. The laser may also be mounted at a 90º angle, producing a vertical scan plane to measure column geometry. APPLICATIONS Turning Applications (Cylindrical, OD/ID Grinders, Lathes) Machining Centers (HBM, VBM, VTL, VMC, HMC, Gantries, Surface Grinders) Rotary Dial Machines Transfer Lines (spindle) Boring Bars FEATURES Measures and corrects errors in both machine bed flatness and column squareness. Mounts in spindles for headstock-to-tailstock or spindle-axis-to-master-part alignment. Laser plane flat to 0.5 arcsec in 180º sweep and 0.25 arcsec in 90º sweep. Plumb beam plus standard continuously rotating laser are square to within 1 arcsec. Specialized base equipped with illuminated, split-prism levels accurate to 1 arcsec. Mounts on machine or stable base, such as the L-106, to project reference out to 100' in radius. Mounts at 90º angle to produce vertical scan plane for measuring column straightness and flatness. Instant with virtually no warm up. Fast, simple set-up. Targets provide live data display. Laser and targets fit into portable carrying case. SPECIFICATIONS Weight: Laser: 1.65 lbs (0.7 kg) Base: 5.4 lbs. (4.2 kg) Material: Aluminum and stainless steel Laser Type: Visible diode, 670 nM wavelength. Class II (Class I in scanning mode). .160" (4.06mm) beam diameter. Operating Distance: 100 feet in radius Beam Power: <0.9 mW Beam Stability: .0001"/hr./ºF (.005mm/hr/ºC) translational 0.2 arcsec./hr/ºF (.36 arc sec/hr/ºC) angular Beam/Plane Straightness: 10 microinch/ft., +/- .0001" air noise Plane Flatness: 30µin/ft. (2.5 µin/M) +/- .0001" (2.5 µin) 360º sweep. 10µ/ft. (0.8 µin/M) +/- .0001" (2.5 µin) 90º sweep Beam to Stud Centering: Within .0002" Beam to Stud Angle: Within .0002"/ft. Operating Mode: Single beam and/or sweeping plane Clip-on or Plug-in Power Supply: Powered by a 9V DC external battery pack (2 cells) (6-8 hrs. of continuous operation) or a 115V AC adapter Split Prism Level Vials: Accurate to 1 arcsec Spindle Mounting Hardware: .500" (12.7mm) standard mounting stud
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