德国 光纤激光器 原理(5)

德国 光纤激光器 原理

PRECITEC

-BA YK52 - E

VBG 4

Accident prevention regulations forelectrical systems and equipmentSafety of laser equipment.

(VDE 0837, Part 1; IEC 825-1:1993)Personal eye protection. Filters andeye protectors for laser radiation (la-ser goggles)

Safety of machines. Basic terms,general principles.

Part 1: Basic terminology, methodsSafety of machines. Basic terms,general principles.

Part 2: Technical principles and spe-cifications

- they have read and understood the sections in thisdocument relating to safety and have signed theirname to this effect.

Operators must comply with the requirements speci-fied by the manufacturer and supplier of the laserequipment.

Personnel must be trained in accordance with the spe-cifications and safety requirements of the system ma-nufacturer and supplier and must be made familiar withthe possible risks.

The prescribed protective equipment must be used.

DIN EN 60825-1

DIN EN 207

DIN ISO 12100-1

DIN ISO 12100-2

2.2 Radiation Hazard

The unit itself emits no laser radiation. However, laserradiation from the laser system is conducted throughthe unit. The laser system must be switched off beforeinstallation or maintenance work is carried out.During setting-up operation, the laser system in whichthe unit is installed may operate in hazard class 4.- Avoid subjecting the eyes or skin to direct or scat-tered radiation.

- Do not look at the laser beam, not even throughoptical instruments.

- Wear laser goggles that comply with DIN EN 207and VBG 93.

If it is reasonable to assume that safe operation is nolonger possible, the unit or the system must be shutdown. Make sure the unit or system is protectedagainst unintentional use.

We make no guarantee that this list is complete.

1.6 Conversion of Units

1 mm25.4 mm1 kg1 bar

====

0.03937"1"

2.20 pounds (lb)

0.1 MPa

14.5 pounds / square inch (psi)0.99 atmospheres (atm)1.06 quarts (qt) US0.88 quarts (qt) Imp.1 fluid ounce (fl oz)

1 litre (l)=

0.0284 l=

2 Safety Instructions

2.1 Obligations on the Part of Operators

and Personnel

Read this document carefully.

Operators of the laser installation are obliged to allowpersons to operate the machine only if:

- they are familiar with basic requirements relatingto work safety and accident prevention and havebeen instructed on how to operate the machine,and

2.3 Endangering by Explosion

Cutting heads are designed to operate under gas pres-sure. The specified maximum pressure must not beexceeded at any stage. To avoid risk to personnel, thecutting heads must be kept in perfect condition at alltimes. All parts must be free of damage. All connectingelements such as bolts and union nuts must be tight.

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