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General Bore Alignment

Hamar Laser's bore alignment equipment The L-706 Bore Alignment Laser is designed for high-accuracy bore alignments, such as engine block bearings, shaft bearings, crank shaft bearings, stern tubes and many more.  The L-706 offers the most accurate, yet easy to use laser  bearing alignment system. With high resolution, capability to measure a wide range of bore diameters, and our patented A-514 self-centering bore adapters, the L-706 is the best bore alignment system on the market.

The L-706 also offers a variety of target options, including self-centering, see-through, 2-axis and 4-axis targets, hand-held readouts, and Windows®-based software to display and analyze alignment data. Additional laser bore alignment applications include: aluminum can-making machinery, bar-turning machines, bore straightness checks for cylinders, large diameter gun barrels, tail rotor bearing alignment for helicopters, and tube support plate bores for heat exchangers. If your specific application isn’t listed, call us and we will work with you to solve your unique alignment problems.

L-706 Bore Laser

The L-706 Bore Laser is a battery-operated, visible light laser that mounts magnetically in a bore fixture or mounting. It is suitable for almost all bore applications. The laser has two mounting surfaces: 0.7498" (19.04 mm) and 2.2498" (57.14 mm). The laser beam is centered to both mounting ODs to within .0003" (.008 mm). The L-706 Laser is equipped with fine angular adjustments necessary to set the laser beam to the center of the far reference target. It is used for applications up to 110 feet (33 meters).

Fast Setup and Even Faster Measurements

With simplified fixturing and self-centering targets, the system can be set up for bearing alignments in as little as 15 minutes. Since it literally takes less than a minute to insert the target/adapter into a bore and take a measurement, bore straightness data can be taken and analyzed in 30 minutes or less in most cases. This means even the longest bore application can be measured in just minutes versus hours for optics, tight wire or other laser systems. Nothing is faster than the L-706 Bore Alignment System!

System Handles Large Range of BoresLive Alignment Data Saves Even More Time

Any bore, from 3.75" (92.25 mm) up to 50" (1,270 mm) or more, can easily be measured with our L-706 Bore Laser System. The system offers three bore adapters and a leg-setting gage to set the adapters to the nominal bore ID. For bores from 2.0" (50.8 mm) to 3.75" (92.3 mm), we offer our A-510 Target and A-510STA Self-Centering Adapter Hub and M-705CL Customized Measuring Legs. We even offer bore targets that can measure bore alignment down to .70" (18 mm).

Long-Range and High-Resolution Angular Adjustments

The L-706 can be used for applications up to 110 feet (33 m). The fine-adjustment micrometers can steer the laser beam in the horizontal and vertical axes to .001" (0.03 mm) in 110 feet (33 m). It can either be mounted in customer-supplied fixturing or used with our L-111 Laser Stand and L-102 Laser Beam Translator to be mounted outside the bore. The L-111 and L-102 have course angular and fine centering adjustments to align the beam to reference bores.

Patented Self-Centering Target & Adapters – The Key to the System

The A-512 2-Axis Bore Target has a 10x10 mm PSD and is designed specifically for our A-514 line of self-centering bore adapters. This unique feature allows our target to be inserted into a bore without any mechanical setup, such as bore sweeping or the need to rotate the target to determine mounting errors (a common problem with most other systems). Insert the target into the bore and make sure it is oriented at 12:00 and in seconds you have a measurement. The target is concentric to its housing to within .0003" (0.0075 mm). When used with the A-514 adapters, the sensor is centered to the bore within .0006" (0.015mm). Another unique feature of our A-514 adapters is they can handle a fairly large range of bore diameter changes of up to .020" or 0.5 mm. This means you don’t need to worry about bore diameter changes to get accurate measurements.

2.2495" Mounting Diameter Fits into Boring Bar Bearings for Quick QC

The L-706 Laser has been designed with a standard boring-bar diameter of 2.2495" (57.137 mm).  This means the laser can be inserted directly into bearings after machining for a quick quality control bore straightness check when using our A-512/A-514 Self-Centering Bore Target and Adapters.

 

 
Simple Readouts

The L-706 Bore Alignment System comes with simple H & V axis readouts that are extremely easy to use. The R-1307 has a display resolution of .0001 inches (0.001 mm) There is no complicated software to learn in order to use the system, which minimizes training requirements.

Live Alignment Data Saves Even More Time

 As with all of our laser alignment systems, the A-512 Bore Target provides live alignment data via our R-1307 readouts. This means once the target is installed in a bore and you are ready to align it, you just watch the readout continuously update as you adjust the bore,supporting pillow blocks or bearing sleeves. When the readings are zero, you’re done!

High Resolution and Accuracy

 When used with our R-1307 Readouts and Bore9 Software, the L-706 system provides a resolution of .00002" (0.0005 mm). Under good environmental conditions, the L-706 Laser is accurate to .004" (0.1 mm) over the whole range. By carefully following the NORMIN procedure, accuracies of .0003" (0.0075 mm) in 10 feet (3.1 meters) can be achieved.

Wireless Data Downloading and TransferWireless Data Downloading and Transfer

 For long-distance applications, the R-1307 Readout can be configured with a 2.4GHz Zigbee® radio and transmit its data up to 400 feet (120 M) to a second R-1307, which is very useful when bucking-in (setting up) the laser to reference targets that are at distances greater than 15 feet, or it can also be received by the A-910-2.4ZB Computer Interface for automatic downloading into our Bore9 Software.

Powerful new bore alignment software for most bore applications

Hamar Laser's new Bore9 software supports all of Hamar's past and present bore alignment equipment to create a powerful tool for measuring and aligning multiple bores. This comprehensive and easy-to-use program measures bore straightness (axis centering) and diameter change when using our targets in measuring mode.

Measure Bore Angle in Seconds

To check for bore angle relative to the centerline, just take a measurement at the front or back of the bore and any difference shows the angle. Adjust the front and back of the bore to read zero and it’saligned!Also, with our unique design, our target only needs a few inches of bore width to take a measurement.

 

 

 

Application Note
How it Works
L-706 Bore Alignment System Works
Datasheet
 
Alignment System Features
  • Fast and simple setup
  • Built-in horizontal and vertical angular adjustments for quick referencing
  • Simple fixturing to mount the laser into the reference bore
  • Visible laser beam straight to .0001" in 10' (0.0025 mm in 3 meters) or .001" in 100' (0.025 mm in 30 meters)
  • R-1307-2.4ZB Readout supports both wireless and cabled targets with a wireless range up to 150 feet (45 meters)
  • Self-centering target, accurate to .0003" (0.0075 mm) , vastly simplifies measurement process
  • System handles a large range of bore IDs from 3.75" (92.25 mm) up to 40" (1,016 mm)
  • Windows®-based Bore9 software with large color graphics to record and analyze bore straightness and alignment data.
  • Dynamic or live display of component misalignment
  • Portable enough to fit into small carrying case. Complete system weighs less than 15 lbs (6.804 kg).
  • Laser runs for up to 8 hours on a standard, replaceable 9-volt battery
  • Optional A-510SM Small-Bore Target easily accommodates bores as small as 1.5" (38.1 mm)
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