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How the Alignment System Works 

 

The setup and use of an L-700 is quite easy and begins by  following Lathe9's on-screen instructions to enter the 
dimensions, number of points, and tolerances.  Next the laser is "qualified" or made co-linear (parallel and coincident), to 
the axis of rotation (AOR) of the spindle.  Then Lathe9 measures the lathe bed for parallelism to the spindle's AOR.  If out 
of tolerance, Lathe9 offers a live alignment screen to align the headstock to the lathe bed.   

 
Once the spindle is aligned to the lathe bed, Lathe9 measures the headstock spindle alignment to the tailstock or 
subspindle following an easy 3 step process.  If out of tolerance, Lathe9 offers a live 4-axis alignment screen to align the 
spindles horizontal and vertical centers (offsets) and horizontal and vertical angles. After aligning the tailstock, Lathe9 
offers a printed report showing the lathe bed straightness, spindle parallelism to the bed and the headstock-tailstock 
alignment.  

 

 

 

 

Lathe Spindle Alignment Procedure Using Lathe9 Software 

 

Step 1 - Setup 

Enter the number of points 
to measure on the bed, the 
distance between points, 
the headstock and tail-
stock dimensions, and the 
alignment tolerances. Also 
select which side of the 
machine the laser is 
mounted in. 

Summary of Contents for L-700

Page 1: ...indle axis of rotation out to 100 30 5 M 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 The L 700 Spi...

Page 2: ...tups This is of particular value to large lathes where alignment bars are not practical Cross Slide Squareness With our P 405 Remote Optical Square or our L 741 Laser System measuring the squareness of the cross slide is a simple task The P 405 is placed into the laser beam and made perpendicular to it using the T 261 Target A penta prism is then inserted into the P 405 fixture to bend the input b...

Page 3: ...d Lathe9 measures the headstock spindle alignment to the tailstock or subspindle following an easy 3 step process If out of tolerance Lathe9 offers a live 4 axis alignment screen to align the spindles horizontal and vertical centers offsets and horizontal and vertical angles After aligning the tailstock Lathe9 offers a printed report showing the lathe bed straightness spindle parallelism to the be...

Page 4: ...ailstock or subspindle and rotate the main spindle so the L 700 is in the inverted position B Click Record Step 2 Qualify Laser Spindle Normal A Rotate the spindle laser to the NORMal position B Click Record Offsets are immediately applied to displays so the laser can be adjusted to the spindle s AOR ...

Page 5: ...in to the Spindle AOR A Using Allen key turn the angular adjustments until the V H Angular displays are zero B Using the Allen key turn the center adjustments until the V H Center displays are zero The laser beam is not concentric to the Spindle AOR ...

Page 6: ...le AOR Parallelism to Lathe Bed Results Click Results to display the Lathe Bed Parallelism Results table which shows a lathe bed straightness b parallelism of the Spindle AOR to the lathe bed If the Headstock Parallelism results are out of tolerance click Close and then click Move to open the live Headstock Alignment screen Note If the saddle and tailstock are on separate machine rails the data ca...

Page 7: ... the alignment Step 4 Lathe Bed Straightness Results To view the Lathe Bed Straightness results click Next and Lathe9 displays a graph of the Vertical and Horizontal straightness results for the lathe s bed A summary shows The overall Vertical and Horizontal Straightness TIR for the tailstock rails and for the saddle rails if the saddle has separate rails and if the data is in or out of tolerance ...

Page 8: ...r subspindle in the NORMal position and ensure the bubble is centered in the vial Rotate the headstock spindle so the L 700 is in the Inverted position making sure it is level Click Record Step 5 Record Data Spindle Laser Normal Target Inverted Rotate the headstock spindle so the L 700 is in the NORMal position Rotate the target in the tailstock chuck to the INverted position Ensure both are level...

Page 9: ...e data Lathe9 calculates mounting error offsets and applies them to the display values It also calculates the spindle alignment results and applies the tolerance On screen graphics illustrate the vertical axes of the alignment Side View and the horizontal axes of the alignment Top View If it is out of tolerance click Next and go to Step 6 Tailstock Turret Alignment Live Move Screen ...

Page 10: ...a displays showing the actual alignment in four axes Side View showing the Vertical Center and Vertical Angle and Top View showing the Horizontal Center and Horizontal Angle The data is live and on screen graphics illustrate either the tailstock or turret spindle alignment relative to the headstock s spindle axis AOR Shim and Move values are also calculated to fix the alignment The displays turn r...

Page 11: ... is a squareness error The straightness of the cross slide travel is also checked at the same time Alignment System Features Simple fixturing for mounting the laser and target L 700 mounts in the spindle to project its axis of rotation out to 100 30 5 M Visible light beam aids setup Compact and rugged 4 L x 2 9 H x 1 75 W Center resolution of 0 00002 0005 mm and angular resolution of 00002 ft 002 ...

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