Miyachi LF Series User manual

USER’S MANUAL 990-929

Rev. 5 March 2014

OPERATOR MANUAL

FOR THE

LF SERIES LASER

LF SERIES FIBER LASER

ii 990-929

The engineering designs, drawings and data contained herein are the proprietary work of MIYACHI

AMERICA CORPORATION and may not be reproduced, copied, exhibited or otherwise used without

the written authorization of MIYACHI AMERICA CORPORATION.

Printed in the United States of America

Revision Record

Revision EO Date Basis of Revision

1 N/A 12/2013 Production release.

2 N/A 12/13 Rewrite Conditions

3 N/A 12/17/13 Revised per QA

4 N/A 12/18/13 Update Callouts

5 N/A 3/18/14 Add Refrigerated Chiller

LF SERIES FIBER LASER

990-929 iii

CONTENTS Page

Revision Record ......................................................................................................................................... ii

Contents .............................................................................................................................................. iii

Contact Us ................................................................................................................................................v

CDRH Compliance Statement ....................................................................................................................v

Safety Precautions ..................................................................................................................................... vi

Chapter 1. System Description

Section I: Features .................................................................................................................................. 1-1

Section II: System Components ............................................................................................................. 1-3

Overview .......................................................................................................................................... 1-3

Fiber Laser Controller ...................................................................................................................... 1-4

Fiber Laser Supply System ............................................................................................................. 1-5

Chiller (Thermoelectric Type) ......................................................................................................... 1-6

Chiller (Refrigerant Type) ............................................................................................................... 1-7

Chapter 2. Installation And Setup

Section I: Planning ................................................................................................................................. 2-1

Physical Requirements ..................................................................................................................... 2-1

Section II: Installation ............................................................................................................................ 2-2

Installation Procedures ..................................................................................................................... 2-2

Power Requirements ....................................................................................................................... 2-3

Power Connection ............................................................................................................................ 2-3

Section III: Connections Reference ....................................................................................................... 2-4

Overview .......................................................................................................................................... 2-4

Fiber Laser Controller ...................................................................................................................... 2-5

Fiber Laser Supply System .............................................................................................................. 2-6

Chiller (Thermoelectric Type) ......................................................................................................... 2-8

Chiller (Refrigerant Type) ............................................................................................................... 2-9

Chapter 3. Operating Instructions

Section I. Welding Preparation .............................................................................................................. 3-1

Preparation ....................................................................................................................................... 3-1

General Operator Safety .................................................................................................................. 3-1

Starting the Laser ............................................................................................................................. 3-1

Section II. Operation Control Panel ....................................................................................................... 3-2

Prepare Processing Point and Set the Weld Schedule ..................................................................... 3-2

Schedule Screen ............................................................................................................................... 3-2

Status Screen .................................................................................................................................... 3-5

Trouble Screen ................................................................................................................................. 3-6

LF SERIES FIBER LASER

iv 990-929

Section III. External I/O ......................................................................................................................... 3-7

Welding Using The External I/O ..................................................................................................... 3-7

Shutdown through External I/O ....................................................................................................... 3-7

Page

Chapter 4. Maintenance

Section I: Precautions ............................................................................................................................ 4-1

Section II. Trouble Read Messages ....................................................................................................... 4-2

Section III: Routine Maintenance Schedule .......................................................................................... 4-4

Rear Panel Access ............................................................................................................................ 4-4

Section IV: Maintenance Procedures ..................................................................................................... 4-5

Thermoelectric Type ........................................................................................................................ 4-5

Approval Coolants .................................................................................................................... 4-5

Filling the Coolant, Priming, and Draining Instructions .......................................................... 4-6

Cleaning the Air Filter .............................................................................................................. 4-7

Draining the Chiller .................................................................................................................. 4-7

Clearing a Configuration Error ................................................................................................. 4-7

Refrigerant Type .............................................................................................................................. 4-8

Approval Coolants .................................................................................................................... 4-8

Checking Water Level & Start Chiller ..................................................................................... 4-9

Draining the System Fluid ........................................................................................................ 4-9

Additional Procedure for Cold Climate Conditions ................................................................. 4-9

Replacing the Water Filter ...................................................................................................... 4-10

Section V: Parts List ............................................................................................................................ 4-11

Consumable Parts .......................................................................................................................... 4-11

Section VI: Repair Service ................................................................................................................... 4-12

Appendix A. Technical Specifications ............................................................................................... A-1

Appendix B. Electrical And Data Connections .................................................................................B-1

Appendix C. External RS-232 Communication ................................................................................C-1

LF SERIES FIBER LASER

990-929 v

Thank you for purchasing a Miyachi Unitek LF Series Fiber Laser. Upon receipt

of the laser, please thoroughly inspect it for shipping damage before you install it.

If there is any damage, contact the shipping company immediately to file a claim,

and notify Miyachi America at:

Miyachi America Corporation

1820 South Myrtle Ave.

Monrovia, California 91017-7135

Phone: (626) 303-5676

FAX: (626) 358-8048

E-mail: [email protected]

The contents of this manual are subject to change without notice. If you have any

questions, or find any errors or omissions in it, please contact us.

Miyachi America is not responsible for any losses due to improper use of this

product.

CDRH COMPLIANCE STATEMENT

The Miyachi America Corporation LF SERIES FIBER LASER is certified to be

fully compliant with all applicable standards and regulations as set forth by the

United States of America’s Health and Human Services (HHS), Food and Drug

Administration (FDA), Center for Devices and Radiological Health (CDRH), title

21 Code of Federal Regulations (CFR) sections 1002, 1010, and 1040 for Class

IV laser devices.

Reference CDRH Accession number is available upon request.

LF SERIES FIBER LASER

vi 990-929

SAFETY PRECAUTIONS

General

This Operator's Manual describes the Operation and Maintenance for all models of

the LF Series Fiber Laser, and provides instructions relating to its SAFE use.

Procedures described in this manual must be performed as detailed by qualified

and trained personnel.

NOTE: For the rest of this manual, all models of LF Series Fiber Laser will

simply be referred to as “the Laser,” except in specific instances where unique

descriptions are required such as specifications, connections, etc.

For SAFETY, and to effectively take advantage of the full capabilities of the Laser,

please read this instruction manual and the Laser Safety Manual

(Part Number 990-502) thoroughly before attempting to use the Laser.

After reading this manual, retain it for future reference when any questions arise

regarding the proper and SAFE operation of the Laser.

Operation

When operating or servicing the Laser, always wear Protective Goggles having an

optical density of at least 7+at a wavelength of 1060-1150 nanometers for the

operation of the Laser.

Appoint a Laser Safety Officer. The Laser Safety Officer (LSO) must provide

personnel with sufficient training so that personnel can operate, maintain and

service the Laser safely. The LSO must take charge of the key to the Key Switch

to ensure that only qualified and authorized personnel operate the Laser.

Establish and control a dedicated Laser Operation Area. The Laser Safety Officer

must isolate the Laser Operation Area from other work areas and display signs

warning that the Laser Operation Area is off-limits to unauthorized personnel.

Maintenance/Service

Before performing any maintenance on the Laser, read Chapter 4, Maintenance

thoroughly. Use the appropriate tools for terminating the connecting cables, being

careful not to nick the wire conductors.

Procedures other than those described in this manual or not performed as

prescribed in this manual, may expose personnel to electrical and/or laser radiation

hazards.

Do not modify the Laser without prior written approval from the Miyachi America

Corporation.

LF SERIES FIBER LASER

990-929 vii

efore using this equipment, read the Safety Precautions carefully to understand the correct usage of the

equipment.

These precautions are given for the safe use

of the Laser and for prevention of injury to

operators or others.

Be sure to read each of the instructions, as

they are all important for safe operation.

The meaning of the words and symbols are

as follows:

DANGER

Do not touch the interior of the Laser when it is turned ON.

Doing so may result in electric shock.

Never attempt to disassemble, repair, or modify the Laser.

Doing so may result in electric shock or fire.

Refrain from any mechanical adjustment other than the maintenance procedures specifically

described in the operation manual.

Never expose eyes or skin to laser irradiation.

Exposure to direct or scattered laser light is extremely hazardous.

Direct exposure of the eye to laser beams may result in blindness.

LF SERIES FIBER LASER

viii 990-929

WARNING

Wear protective glasses.

Be sure to wear protective glasses while using the Laser. Even with eye protection, you may

lose your sight if you look directly at the laser beam.

Do not expose your skin to the laser beam.

Your skin may be severely burned.

Do not touch any processed part during, or immediately after processing.

Welded parts are very hot.

Use only specified cables.

A cable with insufficient capacity or loose connections can cause electric shock or fire.

Do not use a damaged power cable, connecting cables, or plugs.

Do not step on, twist, or tense any power cable. The power cable and connecting cables

may be damaged which can cause electric shock, short circuit, or fire. If any part needs to be

repaired or replaced, consult Miyachi America or your distributor.

Stop operation if any trouble occurs.

If you detect a burning smell, abnormal sounds, abnormal heat, smoke, etc. from the Laser,

turn the power OFF immediately to prevent fire or electric shock. Contact Miyachi America

or your distributor for help.

Ground the Laser.

If the Laser is not grounded, you may get an electric shock when there is trouble or if

electricity leaks through the protective insulation.

Use a stopper plug.

Laser beams are dangerous to the human body. Prevent accidental leakage of the laser

beam by using a stopper (a heat-resistant, laser beam absorbing material).

People with pacemakers MUST stay away from the Laser.

When the Laser is operating, it generates a magnetic field, which adversely affects

pacemakers. People who use a pacemaker must not approach the Laser, or walk around

the laser shop while the Laser is operating, unless their medical doctor has deemed it safe to

do so.

LF SERIES FIBER LASER

990-929 ix

CAUTION

Keep water and water containers away from the Laser.

Water spilled on the Laser can cause a short circuit, electrical shock, or fire.

Use proper tools (wire strippers, pressure wire connectors, etc.) for terminations of the

connecting cables.

Do not nick the wire conductor. Doing so can cause a short circuit, electric shock, or fire.

Install the Laser on a firm, level surface.

Injury may result if the Laser falls over or drops from an uneven surface.

Keep combustible matter away from the Laser.

Laser spatter can ignite combustible materials. If you cannot remove all combustible materials,

cover them with a non-combustible material.

NEVER apply the laser beam to combustible materials.

To avoid the risk of fire, never apply the laser to flammable or combustible materials.

When operating the Laser, do not cover it with a blanket, cloth, etc.

Heat generated by the operating Laser may ignite a blanket or cover.

Do NOT use the Laser for purposes other than processing metal.

Use of the Laser on other materials, or in a manner other than specified may cause fire or

electrical shock.

Wear protective gear when operating the Laser.

Wear protective gear such as protective gloves, long-sleeved jacket, leather apron, etc. so that

Laser spatter will not burn the skin.

Keep a fire extinguisher nearby.

Make sure there is a fire extinguisher in or near the Laser shop in case of fire.

Regularly inspect and maintain the Laser.

Regular inspection and maintenance is essential for safe operation and long life of the Laser.

If you see any damage, make necessary repairs before operating the Laser.

LF SERIES FIBER LASER

x 990-929

Guidelines for Normal Use

1. Appoint a Laser Safety supervisor. Ensure that the supervisor has as much expertise and experience

with lasers and laser equipment as possible.

The supervisor, who will be in charge of the laser key switch, is responsible for familiarizing users

with safety issues and for coordinating laser welding.

2. Partition off all areas that may be exposed to laser light.

The supervisor is responsible for posting signs to keep unauthorized personnel out of the laser area.

3. Install the Laser on a solid, level surface.

To prevent errant laser processing, place workpieces on the same stand as the Laser Head so

that the workpieces do not vibrate during laser processing.

4. To ensure optimal welding quality, use the Laser in a location where ambient temperatures are 41ºF

to 105ºF (5°C to 40°C), free of sudden temperature fluctuations and a relative humidity less than

85% (non-condensing). Do not use the laser in any of the following locations:

Locations with excessive dirt or oil mist

Locations in which the unit may be subject to vibration or impact

Locations in which the unit may be exposed to chemicals

Locations near sources of high-frequency noise, or

Locations in which condensation may form on the unit's surface.

5. If the room temperature changes quickly (as when a heater is turned ON in cold weather), moisture

may condense on the optical components, resulting in fogging or collection of dust.

Avoid sudden changes in temperature. Under the conditions in which condensation may occur, wait

for a period of time after turning the unit ON before beginning operations.

6. If the exterior of the unit becomes soiled, wipe it with a soft dry or lightly moistened cloth.

Clean heavily soiled areas with a cloth moistened with diluted neutral detergent or alcohol. Do not

use paint thinner, acetone, benzene, or similar chemicals, which may discolor or damage the unit.

7. Never place screws or other foreign objects inside the Laser. Such objects can damage the unit.

8. Operate the switches and buttons gently by hand.

Applying excessive force or using the tip of a screwdriver, pen, or other instrument may damage the

Laser.

9. Operate only one switch or button at a time.

Attempting to operate several at a time may damage the Laser.

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