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L-702/L-702SP Lathe and Turning Center Alignment

L-702L-702SP 4 Axis Spindle Alignment
L-702 Spindle Laser with T-261 4-Axis Target

The critical alignment of a lathe or other turning-type machine is the parallelism of the axis of rotation (AOR) of the spindle to the machine bed and alignment to the tailstock, sub-spindle, turret or tool holder's AORs. Conventional methods are very cumbersome and time consuming and are practically useless on large lathes. The L-702/L-702SP are new alignment lasers that make aligning lathes, turning centers, etc. very easy and very fast.

L-702/L-702SP Alignment Capabilities Include:

  • Flatness & straightness of the tailstock bed guideways
  • Flatness & straightness of the saddle bed guideways
  • Parallelism of headstock to tailstock or saddle guideways
  • 4-axis simultaneous alignment of headstock rotation axis to tailstock or subspindle rotation axis
  • Squareness of cross-slide, saddle or other axes on multi-turn machines

L-700 Lathe Alignment Capabilities
L-702/L-702SP Lathe Alignment Capabilities

High Resolution (.00002") Improves Part Quality
The L-702/L-702SP have resolutions of .00001" (0.00025 mm) or better for center measurements and .00001"/ft (0.001 mm/M) for angular (pitch & yaw) measurements. This extremely high resolution provides the accuracy to dramatically improve your lathe's quality performance and improve its scrap rate. Also by periodically checking a lathes alignment can head off future quality problems before they hit the bottom line.

Align Lathes up to 70% Faster
With high resolution, alignment capabilities of the entire length of the machine, color computer graphics, the L-702/L-702SP align cylindrical grinding, lathe and turning-center and mill-turn applications up to 70% faster than conventional or interferometer methods.

L-702 L-702SP-4 Axis Spindle Alignment
L-702/L-702SP Chucked up in Lathe Spindle

Easy and Fast Setup
The L-702 or L-702SP is inserted right into the spindle chuck and the T-261 4-Axis Target into the sub-spindle or tailstock. The L-702 laser is aligned to the spindle axis of rotation (AOR) out to 100' (30.5 M). The laser projects the lathe’s AOR down the machine and this becomes the reference from which the ways, tool holder and tailstocks can be measured and aligned using the T-261. The software displays a live reading of the horizontal and vertical center (offset) readings and the horizontal and vertical angular (slope) readings of the tailstock to the headstock.

Live Display of Misalignment Data in 10 minutes
Lathe9 Step-3 Lathe Bed Data Taking-2
Lathe9 Step 3: Bed Straightness
and Headstock Parallelism
Lathe9 Step-6 Move Screen-2
Lathe9 Step 5: Headstock to Tailstock
Rotation Axis Alignment

The L-700 Spindle Alignment Tool is so easy to set up that you can have a quick measurement of misalignment data in 10 minutes. The Windows-based software speeds setup and data taking and even corrects for mechanical mounting errors. As with all Hamar Laser products, the L-700 provides a live display in four axes of misalignment data, which means you can align the tailstock, sub-spindle, etc. while the laser is still in the machine.

Align Lathe Headstock to Its Bed up to 100 Feet
With the 100-foot (30.5 M) range of the L-700, even the largest lathes can be quickly aligned. Since the L-700 is aligned to the axis of rotation of the spindle, it projects that axis out to 100 feet (30.5 M), allowing the entire length of the lathe to be aligned without changing setups. This is of particular value to large lathes where alignment bars are not practical.

Cross-Slide/Turret Squareness with L-702SP
The L-702SP adds a perpendicular scan plane to the L-702’s spindle laser. After aligning the L-702SP spindle beam to the headstock rotation axis, the scan plane is now perpendicular to the rotation axis. Simply take one of our A-1519-2.4ZB Scan Targets and mount it on the cross-slide. Turn on the laser rotation and zero the target. Move the cross slide along its axis and any deviation from zero is a measure of the squareness of the cross slide to the rotation axis. This can also be used to measure turret axis squareness and multi-turn machining axes.

L-702SP in Lathe initial draft 2
L-702SP Laser with Scan Plane, T-261 4-Axis and A-1519-2.4ZB Scan Target


How it Works
Transfer Spindle Alignment
Application Note
© 2012 Hamar Laser. Products Covered Under US & Foreign Patents.