Loctite 980160 Manual de usuario

EQUIPMENT

OPERATION MANUAL

Loctite®

High Intensity

Ultraviolet

Source

980160

Contents

Page No.

1 Please observe the following . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

1.1 Emphasized Sections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

1.2 Items Supplied . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

1.3 For Your Safety. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

1.3.1 Ultraviolet Light Safety. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

1.3.2 Ozone Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

1.3.3 Thermal Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

1.3.4 Electrical Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

2 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

2.1 Field of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

2.2 Theory of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

2.3 Operating Elements and Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

3 Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

3.1 Utility and Space Requirements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

3.2 Initial Set Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

3.3 Additional Cooling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

4 Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

4.1 Start Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

4.2 Shut Down . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

4.3 Idle Time. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

5 Care and Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

5.1 Cleaning the Lamp and Reflector. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

5.2 Removing the Lamp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

5.3 Removing the Reflector. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

6 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

7 Recommended Spare Parts and Accessories . . . . . . . . . . . . . . . . . . . . . . . . 10

8 Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

9 Appendix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

9.1 Figure 2 Lamp Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

9.2 Figure 3 Electrical Schematic. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

1Please observe the following

1.1 Emphasized Sections

WARNING!

Refers to safety regulations and required safety measures that protect the operator or other

persons from injury or danger to life.

Caution!

Emphasizes what must be done or avoided so that the unit or other property is not damaged.

Notice:

Gives recommendations for better handling of the unit during operation or adjustment as well as

for service activities.

1.2 Items Supplied

Carefully remove the system from its shipping carton and inspect it for any signs of damage. Any

damage should be reported immediately to the carrier. Refer to the list of supplied parts below

and compare to the contents. Report any missing parts promptly to the Loctite customer service

department at 1-800-LOCTITE or 1-800-562-8483.

(1) Power Supply with attached input power line cord and output cable with connector to

irradiator.

(1) UV Lamp and Irradiator (reflector) Assembly.

(1) Pair UV Safety Glasses.

(1) Instruction manual.

1.3 ForYour Safety

IMPORTANT!

Do Not operate the unit before reading this section.

1.3.1 Ultraviolet Light Safety

The Loctite®High Intensity Ultraviolet Source is a source of long wavelength ultraviolet light

used to cure light sensitive products. It produces intense ultraviolet (UV) light, which can cause

serious burns to the skin and eyes. The light is similar to that which causes sunburn but is

much stronger. Like a sunburn, UV burns of the eyes or skin are not felt until several hours

after the burn occurs. All personnel involved in the operation of the High Intensity Ultraviolet

Source should be familiar with the safety guidelines described in this manual. The following

guidelines should be followed at all times to ensure protection from the ultraviolet light.

1. The High Intensity Ultraviolet Source has no shielding. The user must provide shielding to

prevent exposure of operating personnel to direct or first bounce reflected light. Refer to

Section 3 of this manual for additional information.

2. UV protective glasses with side shields should be worn when working with and around the

lamp system. Glasses should meet ANSI Z87.1 certification.

☞

1Please observe the following (continued)

3. Potentially exposed skin should be covered. Long sleeves and protective gloves should be

worn when placing and removing parts from under the lamp.

4. Never look directly at the output from the lamp or directly into the lamp/reflector.

5. Removing the glass filter from the lamp housing may speed up the cure of some products,

however, this will also speed injury to eyes and unprotected skin. DO NOT OPERATE THE

LAMP WITH THE FILTER REMOVED.

UV safety is the responsibility of the user, especially when operating the unit in a non-standard

configuration. When in doubt about UV safety, consult a Loctite technical specialist at

1-800-LOCTITE OR 1-800-562-8483.

1.3.2 Ozone Safety

A secondary hazard is the ozone (O3). Ozone is generated by reaction of UV light of wavelength

< 240 nanometers with atmospheric oxygen. Use this equipment with adequate ventilation.

The current (Feb. 1999) threshold limit value (TLV) for ozone is 0.1 ppm (parts per million).

There are several techniques for monitoring ozone concentrations. One of the simplest, is

equipment supplied by National Draeger, Inc., of Pittsburgh, PA. Their devices employ a direct

reading, disposable detection tube which is capable of measuring ozone concentrations of 0.05

ppm to 14 ppm.

Ozone concentrations can be minimized with good local ventilation. Ozone generation can be

prevented entirely by the use of an oxygen-excluding nitrogen atmosphere under the lamp or by

using an “ozone free” lamp. “Ozone free” lamps have a quartz sleeve or tube which blocks

wavelengths < 240 nanometers. See the Spare Parts List on page 10 of this manual for the part

number of the “ozone free” lamp.

1.3.3 Thermal Safety

A third safety concern with medium-pressure mercury light sources is heat. UV lamps generate

significant amounts of energy in the infrared region. Infrared radiation heats all nearby objects. In

addition, the quartz sleeve of the UV lamp must be maintained at between 600°C and 800°C to

vaporize the mercury in the lamp. The user must supply sufficient cooling and/or heat shielding

to keep the system at a safe temperature for the operators. The cooling must also keep the parts

being cured at a safe operating temperature.

1.3.4 Electrical Safety

1. Connect the unit to a three-wire (grounded) outlet with correct ampere capacity.

2. The power supply enclosure contains a high voltage transformer which supplies high lamp

starting voltages. This unit should be serviced only by qualified electricians or by a Loctite

Service Technician.

2 Description

2.1 Field of Application

The High Intensity Ultraviolet Source is a ultraviolet energy source designed for a wide range of

applications involving the curing of Loctite®ultraviolet activated adhesives and coatings. With the

proper ultraviolet light shielding, and cooling, and venting this light source can be used in both

prototype and production applications.

2.2 Theory of Operation

The Ultraviolet Source is designed for the curing of Loctite®UV activated adhesives and

coatings. It is ideal for adapting to customers' current production equipment; the lamp unit can

be mounted to existing conveyors and indexing equipment (UV shielding

required to protect

the operator). A separately packaged power supply is powered by 120 VAC, 20 Amp, 60 Hz

electrical power and can be located up to 5 feet from the lamp. Power can be monitored with the

built-in watt meter. A high/low intensity switch (300 w/inch to 200 w/inch) located on the front

panel of the power supply unit allows the lamp to idle at low power when not in use.

The lamp unit should be located approximately 5 inches above the curing plane. When placed at

this height, the curing area will be approximately 4.5 inches x 6 inches for a single UV Source.

Multiple sources can be used for larger curing area.

2Description (continued)

500

LAMP POWER

MUST BE TAKEN TO INSURE THAT PERSONNEL ARE

WHICH IS HARMFUL TO EYES AND SKIN. GREAT CARE

ULTRAVIOLET IRRADIATORS EMIT RADIATION

CAUTION

LAMP

POWER

LAMP

OFF

INTENSITY

LAMP

LOW

HIGH

3000

2500

1500

1000

2000

BEFORE CLEANING OR RELAMPING, ALWAYS TURN

OR LAMP SHIELDING PROVIDED WHEN LAMP IS IN USE.

SUITABLE EYE AND SKIN PROTECTION MUST BE WORN

NOT EXPOSED TO DIRECT OR REFLECTED RADIATION.

THE POWER OFF. P/N 980160

LOCTITE IS A TRADEMARK OF LOCTITE CORPORATION, U.S.A.

Mexico 01-800-8499-412

Canada 1-800-263-5043

U.S.A. 1-800-LOC-TITE

For Equipment Parts or Service:

LB-10322A

15.851"

15.00"

14.688"

14.19"

1.56"

12.13"

10.25"

.58"

.31"

Figure 1 Power Supply

2Description (continued)

2.3 Operating Elements and Controls

Refer to Figure 1 on page 4.

1. Power On/Off Toggle Switch Applies power to unit. Lights pilot light and

starts fans; one in the rear of the power unit

and one in the rear of the lamp unit.

2. Power On Pilot Light Lights when unit is powered.

3. Lamp On/Off Toggle Switch Turns on UV Lamp.

4. Lamp On Pilot Light Indicates UV Lamp is on.

5. Lamp Intensity Toggle Switch High position is for curing operation. Low

position puts lamp on reduced power for idling.

6. Lamp Power Watt Meter Indicates power being used by lamp. Full

power is 1,500 watts.

3 Installation

Refer to Figures 1 and 2 on Pages 4 & 12.

WARNING:THIS UNIT REQUIRES SHIELDING PRIOR TO OPERATION.

Ultraviolet light can cause severe burns. Shielding must be provided to protect personnel from

exposure to the UV light. Any material that will block light will block the UV rays. Use a heat

resistant material near the lamp as the temperature of the lamp is between 600°C and 800°C

(1112°F and 1472°F). Sheet metal is a good screening material. Total shielding may not be

possible, since parts must enter and leave the system. Protective clothing, gloves, and glasses

should be worn at all times. Coating reflective surfaces with UV absorbing paint helps reduce

the intensity of the reflected UV light. Exposure levels can be measured with a UV meter.

Meters are available from Loctite Corporation as the Loctite®Zeta®Meter 7010, Loctite Part

No. 98001.

Caution!

DO NOT connect the 120 V line until the unit has been shielded.

3Installation (continued)

3.1 Utility and Space Requirements

Power Supply: 110 VAC, 60 Hz, 20 Amp (Model 980160)

Power Consumption: 2,000 Watts

Dimensions: L x W x H

Lamp Unit: 15.19 x 8.75 x 7.38 inches (38.6 x 22.2 x 18.74 cm)

Power Supply: 14.69 x 15.85 x 12.13 inches (37.31 x 40.26 x 30.81 cm)

Weight:

Lamp Unit: 9 lbs. (4.1 Kg)

Power Supply: 45 lbs. (20.4 Kg)

3.2 Initial Set Up

Locate the UV source power supply near a 120 VAC, 20 Amp, 60 Hz grounded power source.

The power supply must be within 8 feet of the power source and within 5 feet of the lamp unit.

Allow at least 4 inches on all sides of the power supply for unrestricted air flow. The power

supply contains a mercury relay and must be kept in the horizontal position (feet down) so that

the mercury relay will operate correctly.

Locate the lamp unit on the curing device so that the lamp will illuminate the area where

material is to be cured. Position the lamp approximately 5 inches above the part. Connect the 8

pin connector cable from the rear of the power supply to the socket on the rear of the lamp unit.

With both the Power Switch and the Lamp Switch in the “Off” position, connect the Line Cord

just prior to operation.

If two or more light sources are required, the following is recommended:

1. Lamp units should not be placed facing each other to avoid overheating.

2. Each lamp unit must have its own power supply.

3.3 Additional Cooling

Most cooling requirements can be handled by the built-in exhaust fan. Additional air cooling can

be provided as long as no air is blown directly over the lamp proper. Additional cooling should

be considered when the light source is enclosed in a tunnel or box with limited ventilation or

used with other light sources (refer to Installation section).

For assistance in determining the correct amount of air flow needed and correct placement of

these additional fans, contact the Loctite Technical Information Department at 1-800-LOCTITE

or 1-800-562-8483.

The UV Source is ready for operation.

4 Operation

4.1 Start Up

Caution!

The High Intensity Ultraviolet Source has

built-in protection from UV light. Care must be

taken that the unit is turned on

only after

shielding has been installed and there is no chance of

exposure to personnel in the area.

1. Be sure that the POWER On/Off Switch is in the “Off” position.

2. Be sure that the LAMP On/Off Switch is in the “Off” position.

3. Set the LAMP INTENSITY Switch to the “High” position.

4. Plug the line cord into the power source.

5. Set POWER Switch to “On;” pilot lamp should light and fans should go on.

6. Set LAMP Switch to “On;” pilot lamp should light and watt meter should indicate that the UV

lamp is on.

7. Allow at least four minutes for the UV lamp to warm up. The watt meter should gradually rise

to the 1,500 watt mark indicating the lamp is ready.

8. The lamp is now ready for curing; at this time, the intensity switch may be used to put the

unit in an idle mode (low).

Note: When the intensity is switched back to high, it is advisable to allow one minute for the

lamp to reach full power (monitor the watt meter to see when the lamp is ready).

4.2 Shut Down

1. Move LAMP SWITCH to “Off;” lamp pilot light goes off and watt meter will drop to “0”.

2. Allow fans to run for at least four minutes to cool the lamp.

Note: Shutting power off without a sufficient cool down period may reduce lamp life and cause

overheating problems. After switching off the ultraviolet lamp it will

not

restart until

sufficiently cooled down (approximately 10 minutes).

3. Move POWER SWITCH to “Off” position; power on pilot light goes off.

3. Disconnect from power source.

4.3 Idle Time

When the High Intensity Ultraviolet Source is not going to be used for short periods of time,

such as coffee breaks, lunch, etc., switch the lamp intensity to “Low.” When switching back to

“High,” allow one minute for the lamp to reach full power.

Caution!

While the unit is in the “Low” intensity mode, all shielding precautions must be maintained.

☞

5Care and Maintenance

To insure maximum light output of the system, all components must be clean. Dirt on the lamp

and reflector will reduce the ultraviolet intensity by absorbing ultraviolet energy and turning it into

unwanted infrared energy. Lamps and reflectors should be inspected and cleaned at least once

each month. If conditions are extremely bad, cleaning may be required more often.

Lamps should be handled only when cool and with clean cotton gloves;

do not

touch the lamp

with bare hands. Oils on your hands will etch the quartz glass, and create hot spots on the

lamp, and can reduce lamp life.

5.1 Cleaning Lamp and Reflector

The UV lamp and reflector may be cleaned using a clean soft lint free cloth dampened with

isopropyl alcohol. After cleaning, wipe dry with a soft clean cotton cloth.

5.2 Removing the Lamp

1. If unit has been in service, allow at least 15 minutes for cooling before removing lamp.

2. Unplug line cord.

3. Unplug 8 pin connector from the rear of the lamp unit.

4. Remove grills from both sides of the lamp unit. Each grill has (4) screws - (2) on the front and

(2) on the side.

5. Remove lamp bracket clamp screw and nut.

6. Wearing clean cotton gloves, remove the UV lamp.

7. Reverse the procedure to replace the lamp.

5.3 Removing the Reflector

As a result of excess heat or other misuse, the reflectors may blacken or warp. If the unit has

been in service, allow at least 15 minutes for cooling before removing reflectors.

1. Remove lamp unit rear panel by removing the four screws on the side of the case.

2. Remove lamp bracket assembly.

3. Remove reflector support screws from the side of the chassis.

4. Remove the reflectors.

5. Replace the reflectors and reassemble in reverse order.

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