Synrad Diode Pointer Manuel utilisateur

1 QSG Diode Pointer Ver 2.1

a Novanta company

Diode Pointer Quick Start Guide

Important

Note:

Diode Pointer Unpacking and Installation Preparation:

Read all Danger, Warning, Caution terms, symbols, and instructions located

on our website. The diode pointer provides a safety measure by enabling operators

to monitor the location of the CO2beam. Reference the Diode Pointer Specications

located on our website https://www.synrad.com/products/accessories/visible-di-

ode-pointer.

1. Remove the Diode Pointer from it’s packaging and set aside. Take note of the box contents.

The pointer has both near and far eld adjustments set at the factory. If alignment is still required after

installation, see the following sections for guidance. If your SYNRAD® laser is shipped with a Diode Pointer

installed, it is also factory pre-aligned and ready for operation.

2. Upon arrival, inspect all shipping containers for signs of damage. If you discover shipping damage,

document the damage (photographically if possible), then immediately notify the shipping

carrier (responsible party for any transportation damage) and SYNRAD.

3. Remove the two dust covers. One of the covers is on the front of the Diode Pointer face, the other is on

the back. Click here to see an instructional video, also reference the following gures.

Failure to

remove can

damage the

laser!

1.1 Collect the required tools per the Installa-

tion Instructions included in your box and

remove the two dust cover(s) one in front

and another in the back.

Warning

Serious

personal

injury

Assure the laser and the diode pointer are

turned off during install.

2 QSG Diode Pointer Ver 2.1

a Novanta company

Diode Pointer Quick Start Guide

Important

Notes:

Mounting:

4. Insert the four screws into the front of the laser a few turns so that the threads are engaged. This allows

adequate clearance between the screw head and the laser’s front plate to hang the diode pointer.

Series 48 lasers manufactured after August 1998 provide a Diode Pointer power con-

nector on the faceplate. Some lasers require installation of the provided others, use the

supplied wall-plug transformer power supply.

5. Once the pointer is‘hung’over the heads of the screws, assure access to both the near/ far eld adjuster

screws accessible. Tighten the four screws with the ignition wrench.

4.1 Hanging the Diode Pointer onto the laser faceplate & providing power to the unit.

Warning

Serious

personal

injury

Do not stare directly into the red laser light emitted from the Diode Pointer OR

the laser. The light is intense enough to injure the eye with exposure.

Always wear eye protection!

CO2laser emits invisible laser radiation. Since direct or diffuse laser radiation

can inflict severe corneal injuries. Remain clear of the beam while performing

adjustments; direct or diffuse laser radiation can seriously burn human tissue.

Always wear safety goggles.

Always use shielded cable when connecting your PWM Command signal source

to PWM Positive/PWM Negative inputs.

Never stare into a laser beam!

ti-Series shown

3 QSG Diode Pointer Ver 2.1

a Novanta company

Diode Pointer Quick Start Guide

Electrical:

6.1 Remove the laser’s faceplate.

6. If your laser provides a power connection for the Diode Pointer, install the supplied power cable by

removing the faceplate of the laser (and the hex nut on the cable), connect the cable by the 5 VDC jack,

reinstall the hex nut on the outside of the faceplate axing the cable. Re-install the face plate and refer

to the prior page for mounting.

6.2 Locate the laser’s 5VDC jack shipped with

your unit. Remove the hex-nut on the

cable and set it aside.

6.3 Insert the cable through the face plate

power port, and re-install the hex nut.

6.4 Connect the cable to the 5 VDC jack.

6.5 Mount the diode pointer to the faceplate.

ti-Series shown

4 QSG Diode Pointer Ver 2.1

a Novanta company

Diode Pointer Quick Start Guide

Electrical (Continued):

Aux port

3.50

2.00

.60

2.20

1.80

.563

.800.800

1.00

.800.800

1.04

.563

.90

US A

120 VAC

60 Hz. .10A

5VDC

BEAM IN

.38 CLEAR APERTURE

.166 CLEARANCE

(4) MOUNT HOLES

8-32 THREAD

(4) MOUNT THREADS

BEAM/DIODE OUT

.50 CLEAR APERTURE

AVOID EXPOSURE

VISIBLE AND INVISIBLE

RADIATION EMITTED

FROM APERTURE

FAR-FIELD

ADJUSTMENT

NEAR-FIELD ADJUSTMENT

5VDC/100Ma

On/O

Power supply

7. If your laser does not provide a power connection for the Diode Pointer, use the plug from the supplied

wall-plug transformer into the 5 VDC jack on the side of the pointer.

8. Press the On/O switch. The red LED below the switch illuminates to indicate the pointer is on and laser

diode emission should be visible.

5 QSG Diode Pointer Ver 2.1

a Novanta company

Diode Pointer Quick Start Guide

Adjustment:

9. Assure the diode pointer dust cover is removed. Take safety precautions (protective eye wear), and

always assure your laser and pointer are ‘OFF‘ prior to adjusting anything in your work area. Tape a

thermal card to the rebrick (beam block) and place it approximately 30cm in front of the laser & pointer.

Once the thermal card & beam block (taped to a brick) are in position, turn on your laser and diode,

lower the laser’s power so that it is barely visible on your beam block (approximately 10-20 watts). Note

the lasers coincidence with the diode pointer.

Near eld distance

adjustment screws moves the

beam vertical and diagonal.

Near eld

Approx.

30cm

9.1 Example of laser and diode pointer coinci-

dence (within 0.1mm). Diode Pointer

install and setup complete!

9.1 Example of a diode pointer that requires

adjustment.

10. If the beam requires adjusting, insert the two Allen wrenches (included) into the near eld hex head(s)

and turn each observing the eect on the beam alignment. If alignment is successful, remove the Allen

wrenches, turn the laser o. The diode pointer install procedure is complete. If alignment is

not achieved, try the overcompensation adjustment procedure on the next page after far eld adjust-

ment.

Good beam coincidence

Bad beam coincidence

6 QSG Diode Pointer Ver 2.1

a Novanta company

Diode Pointer Quick Start Guide

Adjustment (Continued):

11. Using safety precautions, reposition the thermal card to a new location on the brick, then move the brick

to the far eld (3-10 m). Fire the CO2laser again at low power (approximately 10-20 watts) until you get a

good burn image on the thermal card and observe the diode pointers coincidence with the beam. Insert

the two Allen wrenches (included) into the two far eld hex head(s). Adjust the far eld so that the red

diode beam is centered on the CO2burn image as accurately as possible. Average out any beam asymme-

tries. Turn the laser o.

12. Reposition the thermal card on the brick as you did before, and move them to the near eld proximity

to the laser as you did in the prior steps. Power on and re the CO2laser again at low power (approxi-

mately 10-20 watts) until you get a good burn image on the thermal card and observe the diode point

ers coincidence with the beam. You should have good coincidence by now. If not, see the above Im-

portant note, before proceeding to the next section.

Far eld

Approx.

3-10m

Important

Note:

Since adjusting the beam aects both near and far elds

in the same direction, you may need to overcompensate

towards the opposite side of center in one eld and then

bring both back to center in the other.

3-10 M

Note: If the adjustments above have not brought your beam

into coincidence, a larger or coarse adjustment may be

needed.

Far eld distance

adjustment screws moves the

beam left and right.

13. Overcorrection (overcompensating) example: Using the near eld screws

one can shift the beam down and to the left. See the beam moved from

the upper left hand corner of the beam down to the center.

7 QSG Diode Pointer Ver 2.1

a Novanta company

Diode Pointer Quick Start Guide

Coarse Adjustment:

14. Assure the laser is o! Loosen the four diode pointer mounting hex head screws on the face of the

laser enough to move the pointer in the direction necessary to center the beam in the CO2burn.

Re-tighten and repeat the far and near eld adjustment steps. If this does not bring the pointer into

adequate coincidence with the laser, proceed to the next step.

IF further coarse adjustment needed: Loosen

the screws holding mounting plate to pointer.

Rotate the pointer mounting plate

180 degrees: re-tighten the screws

holding mounting plate to pointer.

Re-install and tighten the two screws.

If the pointer is all the way to its limit in the slots, it may be necessary to rotate the

mounting plate in relation to the pointer housing.

15. Assure the laser is o! Remove the diode pointer from the laser.

16. Refer to the gures below and remove the two socket head cap screws holding the mounting plate to

the pointer body. Rotate the mounting plate 180 degrees then reinstall and tighten the two screws.

Reinstall the pointer to the front of the laser and repeat the near/far eld adjustment as you did before

until the pointer is in adequate coincidence with the laser beam.

Important

Note:

8 QSG Diode Pointer Ver 2.1

a Novanta company

Diode Pointer Quick Start Guide

15. Repeat the near and far eld adjustments steps mentioned previously.

The goal of the adjustment procedure is to get the CO2beam and the Diode Pointer coincident within 100

microradians, which is equivalent to 1 mm at 10 meters of misalignment as the recommended outside tol-

erance of alignment. Anything more precise and accurate is desirable, but not necessary. Final accuracy and

precision alignment is completely dependent on the nal use of the pointer. Most articulated arm applica-

tions require 100 micro-radians, while a simple lens system requires only 1 milliradian. The outside tolerance

or acceptable misalignment is 1 milliradian, or 1 mm at 1 meter.

Congratulations!

The Diode Pointer is now correctly installed and the rest of the beam delivery system can now be installed.

Coarse Adjustment (Continued):

10 M

1 mm at 10 meters.

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