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L-702/L-702SP 4-Axis Spindle Alignment System

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

Newly designed, the L-702/L-702SP 4-Axis Spindle Alignment Systems are replacements for our workhorse L-700 Spindle laser that has been used to align spindles in lathes, turning centers, transfer-line and rotary-dial machines for over 20 years.

Prior to the L-700, spindles were aligned with indicators and alignment bars, which only measure a short portion of the machine, take a long time and are subject to mounting and sag errors. For transfer-line spindles this often resulted in frequent shutdowns due to poorly aligned spindles causing premature tool wear. However utilizing the L-700, one transfer line at GM was able to save $1.2 million in reduced tooling costs and downtime in the first year of operation after laser aligning the all the spindles in transfer line!

The L-702 Spindle Laser comes in 2 configurations:

  • L-702 Spindle Alignment Laser - is a straight-line laser for spindle alignments in lathes, turning centers, OD grinders, slant-bed lathes and transfer-line and rotary-dial machines.
  • L-702SP Spindle Alignment Laser with Scan Plane – this adds a perpendicular scan plane to the L-702 spindle laser beam for checking cross-slide, turret-axis squareness and other milling axes in multi-axis, mill-turn machines.

The system includes:

  • The L-702/L-702SP battery-operated laser with angular adjustments
  • T-261 4-Axis Target that measures in 4 axes simultaneously
  • R-358 Computer Interface with .00001" (0.00025 mm) resolution
  • A-801 Laser Centering Fixture
  • S-1404 Windows 7/8/10-based Lathe9 or Spindle8 alignment software.
  • A-814 Rugged Shipping Case

Lathe9 Step 6 Move Screen
Lathe9 Step 6 showing 4-axis alignment
of tailstock to headstock

Simultaneous 4-Axis Target
The L-700 Spindle Alignment System’s T-261A 4-axis target measures both the horizontal and vertical center and angular readings simultaneously. This combined with Lathe9 Software makes checking and correcting the alignment of the lathe’s components much easier and faster.

High Resolution and Accuracy Improves Part Quality
The L-702’s ultra-high resolution of .00001 in. (0.00025 mm) combined with Lathe9 software to correct mounting errors produces a very accurate alignment, less than .0001” (0.0025 mm) under good environmental conditions. This extremely high level of accuracy can dramatically improve machine performance and reduce scrap rates.

Live 4-Axis Data Speeds Alignment by 70%
The L-700 Spindle Alignment System’s T-261A 4-axis target measures both the horizontal and vertical center and angular readings simultaneously. The 4 alignment values update in real time, so without changing the setup, alignment errors can be quickly fixed, while watching Lathe9 software’s 4-axis display update with each adjustment. Lathe9 software also quickly collects the lathe bed’s straightness data, analyzes it, recommends shim and moves values for headstock and tailstock alignments. In most cases, alignment times can be reduced by 60-70%.

Lathe9 Step 3 Lathe Bed Data Taking 2
Lathe9 Step 3 lathe-bed data-taking screen

Alignment Data in 15 Minutes
The L-702 Spindle Alignment System is so easy to set up that you can do a quick alignment check in 15 minutes and the full alignment data in 25–30 minutes on most lathes. Our Lathe9 Software even corrects for mechanical mounting errors to provide the most accurate lathe alignment on the market today!


Lathe9 Built-in 6-Step Alignment Procedure
An easy-to-follow, 6-step alignment procedure is built right into Lathe9, along with popup instructions, that makes what can be a complicated alignment much simpler and easier to learn. Large color graphical displays allow the alignment data to be seen up to 20 feet (6.5 m) away.

Lathe9 Step3Alignment Summary Screen
Lathe9 Step 3 Alignment Results

Complicated Lathe Alignment Checks Done with Ease
Measure headstock spindle-axis parallelism with the lathe-bed and saddle guide-rails, headstock-to-tailstock alignment and spindle-to-subspindle alignment. With a measuring range of up to 100 feet, even the longest lathe bed is easy to measure for parallelism to the spindle axis, eliminating the need for expensive and heavy test bars.



Measure Cross-Slide or Turret Slide Squareness with Ease
Use the L-702SP Spindle Laser with it perpendicular scan plan and our A-1519-2.4ZB Single-Axis Scan Target to measure the squareness of the cross slide, turret travel or other axes on multi-turn machines.

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


View brochure [PDF, 260K]
© 2012 Hamar Laser. Products Covered Under US & Foreign Patents.