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SAFETY WITH TUNGSTEN ELECTRODES
4UNGSTENWELDINGELECTRODESSHOULDNEVERBEMANUALLYGROUNDONANABRASIVEBELTORWHEEL
PARTICULARLYSILICONECARBIDE !LWAYSUSEDIAMONDWHEELSWHENGRINDINGANDCUTTINGTUNGSTEN
ELECTRODES4HERISKOFINJURYWHENHANDMANUALLY GRINDINGAVERYHARDBRITTLEMATERIALLIKE
TUNGSTENISQUITEHIGH)TISIMPORTANTTOALWAYSFOLLOWSTANDARDSAFETYGUIDELINESWHENOPERATING
HIGHSPEEDGRINDINGEQUIPMENT
s
7EARAPPROVEDSAFETYGLASSES
s
.OLOOSECLOTHINGWHICHMAYGETCAUGHTINMOVINGPARTS
s
7EARPROTECTIVEHAIRCOVERINGTOCONTAINLONGHAIR
s
7EARSAFETYSHOESWITHNONSLIPSOLE
s
!VACUUMSYSTEMISRECOMMENDEDTOREMOVETUNGSTENESPECIALLYTHORIUMDUST
s
.EVEROPERATEPOWERTOOLSWHENTIREDINTOXICATEDORTAKINGMEDICATIONTHAT
CAUSESDROWSINESS
4HEMOSTCOMMONINJURIESWHENUSINGTHEMANUALTUNGSTENELECTRODEGRINDERAREEYEANDlNGER
RELATED(OLDINGANDGRINDINGTHETUNGSTENELECTRODEBYHANDHASRESULTEDINBURNEDlNGERS
LACERATIONTOlNGERSANDSPLINTEREDTUNGSTENELECTRODESINHANDORlNGERS%YEINJURYGENERALLY
OCCURSFROMMANUALLYGRINDINGTUNGSTENELECTRODESWITHOUTASAFETYSHIELDORSAFETYGLASSES
3MALLSLIVERSOFTUNGSTENELECTRODEMAYBECOMESTUCKINTHEOPERATORSEYE
TUNGSTEN PREPARATION AC / DC TIG WELDING
ELECTRODE INCLUDED ANGLE/TAPER FOR SQUARE
WAVE TIG WELDING
4UNGSTENELECTRODESFORWELDINGSHOULDBEGROUNDLONGITUDINALLYANDCONCENTRICALLYWITHDIAMOND
WHEELSTOASPECIlCINCLUDEDANGLEINCONJUNCTIONWITHTHETIPmATPREPARATION$IFFERENTANGLES
PRODUCEDIFFERENTARCSHAPESANDOFFERDIFFERENTWELDPENETRATIONCAPABILITIES
In general, blunter electrodes that have a larger included angle provide the following benefits:
s
,ASTLONGER
s
(AVEBETTERWELDPENETRATION
s
(AVEANARROWERARCSHAPE
s
#ANHANDLEMOREAMPERAGEWITHOUTERODING
Sharper electrodes with smaller included angle provide:
s,ESSPENETRATION
s(AVEAWIDERARC
4HEINCLUDEDANGLEDETERMINESWELDBEADSHAPEANDSIZE'ENERALLYASTHEINCLUDEDANGLE
INCREASESPENETRATIONINCREASESANDBEADWIDTHDECREASES
Flat spot diameter
Included angle
www.CKWORLDWIDE.com
The risk of injury
when hand (manually)
grinding a very hard
brittle material like
tungsten is quite
high. It is important to
always follow standard
safety guidelines when
operating high speed
grinding equipment.