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Providing Power to the Laser

Power to the laser is supplied by either an external battery pack using four 9V cells, (Hamar Laser

recommends using alkaline or NiCad cells for best performance) or by a 115V AC adapter (see Figure 2

for the location of the battery pack/AC adapter connection on the laser control panel). The laser uses more

power with each additional scanner that is activated.

Warming Up the Laser

Your new laser has been calibrated while it is fully warmed up. In order to ensure proper calibration, we

recommend that you let your laser warm up for at least 30 minutes for single-plane lasers (L-730 or L-

740) and up to 45 minutes for multi-plane lasers (L-732, L-742, L-733 and L-743).

This does not mean the laser spindles need to be rotating; only that the laser beam should be turned on for

the recommended time.

You can use your laser prior to the warm up time to buck it in (make it parallel) to your references.

However, doing this may result in some laser drift. Accordingly, if you use the laser prior to the warm-up

period, it is recommended that you go back and check your references before you start taking the

alignment measurements. For best results, do not start taking measurements until the recommended warm

time has passed.

It is always a good metrology practice to periodically check your reference points to ensure the laser or

the base (instrument stand, table or other supporting base) it sits upon has not drifted. Please note that

most drift problems are caused by what the laser sits upon, not due to the laser drifting itself (after the

warm up period).

CAUTION!

Surge Protection Strongly Recommended

To ensure the long life of your laser, it is important to plug the A/C adapter into a surge-protected

power source. Despite internal surge protection, a large power surge may cause the laser diode to

burn out, requiring the laser to be returned to the factory for extensive repair. Failure to plug the

A/C adapter into a surge-protected power source may void the warranty.

Содержание Dual Scan L-732

Страница 1: ......

Страница 2: ...ing the alignment measurements For best results do not start taking measurements until the recommended warm time has passed It is always a good metrology practice to periodically check your reference...

Страница 3: ...ticles of equipment manufactured by other companies and limited by a warranty extending for less than one year In such an event the more limited warranty applies to said instrument or article of equip...

Страница 4: ...al Pitch Axis 13 Checking the Levels for Accuracy 13 Measurement Overview 14 Selecting Reference Points on Machine Tools 14 Selecting Reference Points on Process Mills 14 Measurement Summary 15 Measur...

Страница 5: ...sfer line wing bases Injection molding machines and presses Aircraft assembly seat track alignment setting water butt and station planes wing to body and body to body join alignment etc Roll paralleli...

Страница 6: ...and targets fit into a small portable shipping case Diode laser 2 times more stable than HeNe based laser systems Battery or AC powered Laser planes flat to arc seconds 00003 in ft or 0 0025mm m in 18...

Страница 7: ...to body and body to body join alignment etc Saw mills Vertical press alignment Measuring and aligning The flatness of almost any horizontal or vertical surface squares frames ways flanges circles etc...

Страница 8: ...p times Applications for alignments with tolerances of 00002 in ft or 0 0017 mm m or higher Roll parallelism in paper mills printing presses and film lines Leveling almost any surface squares frames w...

Страница 9: ...m stability Applications for alignments with tolerances of 00015 in ft or 0 01 mm m or greater Normal or blown film lines roll alignment Rubber roll alignment Leveling almost any surface squares frame...

Страница 10: ...ine adjustments see Figure 1 Number of laser planes the L 743 and the L 733 have three laser planes and the L 742 and L 732 have two laser planes that can be factory configured for two vertical planes...

Страница 11: ...parallel to your references However doing this may result in some laser drift Accordingly if you use the laser prior to the warm up period it is recommended that you go back and check your references...

Страница 12: ...on speed control This control slows the scanner spin until you can see the laser beam pass over the target the farther away the target is located the slower the turret must spin Figure 3 shows control...

Страница 13: ...ure calibrates only one level vial at a time and must be repeated for the other axis Note 2 It is very important to warm up the laser for at least 30 minutes before starting this procedure It is also...

Страница 14: ...alibration of the Level Vials Roll Axis Note It is very important to warm up the laser for at least 30 minutes before starting this procedure It is also very important to level both the Pitch and Roll...

Страница 15: ...tance between the points The result is the calibration of the level vial in units of in ft or mm m To be within specifications the calibration result should be as follows Split Prism Vial Assembly 000...

Страница 16: ...ulating the Calibration of the Levels Vials Pitch Axis 1 Level the laser Rotate the entire laser unit 90 to calibrate the Pitch Axis level vial Using the adjustment knobs level the laser so that both...

Страница 17: ...Pitch Axis level you are adjusting Using the wrench provided adjust the level assembly until the bubble is centered in the window for the Standard Level vials or the two halves of the bubbles line up...

Страница 18: ...rence points carefully Poor reference points like those on the heavily worn portion of a machine bed where all the work is performed may mean extra time to bring the machine back into tolerance In oth...

Страница 19: ...d one vertical laser plane are needed 1 Mount a target horizontally at the closest reference point to the laser and adjust the target so that it detects the laser 2 Zero the target and move it to the...

Страница 20: ...ts described in Measuring Straightness and Measuring Flatness to determine the straightness and flatness of the machine s axes measuring squareness is a simple process To truly measure squareness one...

Страница 21: ...e error from the laser not being parallel to the surface Level to Earth Measurements The leveling of machine tools surface plates and different types of bases can be performed using scanning lasers as...

Страница 22: ...ny three points on a surface may be used however Hamar Laser recommends the setup illustrated in Figure 12 Figure 12 Three Point Buck in Using One Target recommended setup When performing this procedu...

Страница 23: ...ing the Three Point Buck In 1 Center the target in the Near Position With the target in the Near Position zero the target 2 Move the target to Far Position A and tilt the laser beam until the readout...

Страница 24: ...he laser beam must be adjusted to be parallel to or coincident with an edge or centerline The process of making that adjustment is called bucking in This section describes two types of buck in methods...

Страница 25: ...resents the distance from the laser to the first target L2 repre sents the distance be tween the two targets If L1 is less than one tenth of L2 the normal buck in procedure is used If L1 is greater th...

Страница 26: ...ding is to L2 Stated mathematically the ratio is Set L1 Far L2 If L1 L2 and the far reading are known the set can then be determined by the following formula Set Far reading L1 L2 Note This is a simpl...

Страница 27: ...two targets When using normal buck in the rule is Zero Near Point Far Buck in the laser beam by zeroing it on the near target and then pointing the laser beam using the appropriate adjustment knobs t...

Страница 28: ...eck A C power source Use second A C power supply if available 5 Noisy target A 1519 1520 readings on PDA NOTE On average the user can expect 00002 in ft to 00005 in ft 0 0025 mm m 0 004 mm m of noise...

Страница 29: ...low or high on target window it should be near the window It is possible for the laser to activate the auto wake up feature of target but not enough of the beam is hitting the PSD target sensor to get...

Страница 30: ...ime Error in software Do not unplug the A 910 from the USB port while still using the program Report to HLI the exact key strokes that created the Runtime Error 12 Software crashes upon loading Ensure...

Страница 31: ...27 Appendix B Equipment Drawings L 733 Precision Geometry Laser...

Страница 32: ...28 L 743 Ultra Precision Geometry Laser...

Страница 33: ...29 The L 732 Dual Scan Precision Roll Alignment Laser...

Страница 34: ...30 The L 742 Dual Scan Ultra Precision Roll Alignment Laser...

Страница 35: ...ted This makes is very likely that the error in measurement at the point where the target is zeroed is nearly identical to the error in each subsequent measurement because the difference in sensor are...

Страница 36: ...ea is 1 micron or less Approx 4 mm of measuring area each vertical line on the graph equals 1 mm Total Error 3 3 microns 2 microns 2 microns 0 000 Each green vertical line equals 1 mm of measuring are...

Страница 37: ...the type intended for nail polish removal NOTE When cleaning precision optics even with the best quality optical cleaning tissue use gentle pressure to avoid scratching the surface or damaging the opt...

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