96
)HUĆVWUĆXFLUFXODUHOHFWULF RO
URWDĦLH'LVFXULOHFDUHQXDXIRVWFRQFHSXWHSHQWUX
XQHDOWDHOHFWULFăQXSRW¿SURWHMDWHFRUHVSXQ]ăWRUúL
nu sunt sigure.
E 8WLOL]DĦLSHQWUXXQHDOWDGXPQHDYRDVWUĆ
HOHFWULFĆQXPDLGLVFXULGHGLDPDQWSHQWUX
UHWH]DW)DSWXOFăDFFHVRULXOVHSRWULYHúWHODXQHDOWD
HOHFWULFăQXJDUDQWHD]ăúLIXQFĠLRQDUHDvQVLJXUDQĠă
F 9LWH]DGHIXQFĦLRQDUHDDFFHVRULXOXL
WUHEXLHVĆÀHFHOSXĦLQHJDOĆFXYLWH]D
PD[LPĆPDUFDWĆSHXQHDOWDHOHFWULFĆ
$FFHVRULLOHFDUHIXQFĠLRQHD]ăODRYLWH]ăPDLPDUH
GHFkWFHDSUHYă]XWăVHSRWGHVSULQGHvQEXFăĠL
G 'LVFXULOHVHYRUXWLOL]DH[FOXVLYSHQWUX
RSHUDĦLXQLOHUHFRPDQGDWH'HH[HPSOXQX
SROL]DĦLFXSDUWHDODWHUDOĆDGLVFXOXLSHQWUX
GHEDYXUDUHDiscurile abrazive pentru debavurare
VXQWGHVWLQDWHSROL]ăULLPDUJLQLORULDUIRUĠHOHODWHUDOH
DSOLFDWHDFHVWRUGLVFXULSRWSURGXFHVSDUJHUHDvQ
EXFăĠL
H 8WLOL]DĦLvQWRWGHDXQDSHQWUXGLVFXULÁDQüH
QHGHWHULRUDWHGHGLPHQVLXQLüLIRUPH
DGHFYDWHSHQWUXGLVFXODOHV)ODQúHOHFRUHFWH
VXVĠLQGLVFXOUHGXFkQGSRVLELOLWDWHDVSDUJHULLGLVFXOXL
I 1XXWLOL]DĦLGLVFXULX]DWHGHODXQHOWH
HOHFWULFHPDLPDUL Discurile destinate uneltelor
electrice de dimensiuni mai mari nu sunt adecvate
SHQWUXYLWH]DPDLPDUHDXQHOWHORUHOHFWULFHPDLPLFLúL
se pot sparge.
J 'LDPHWUXOH[WHULRUüLJURVLPHDDFFHVRULXOXL
WUHEXLHVĆVHvQFDGUH]HvQFDSDFLWDWHD
SUHYĆ]XWĆSHQWUXXQHDOWDHOHFWULFĆ
$FFHVRULLOHGHGLPHQVLXQLLQFRUHFWHQXSRW¿SURWHMDWH
VDXFRQWURODWHvQPRGFRUHVSXQ]ăWRU
K 'LPHQVLXQHDDUERUHOXLGLVFXULORUDEUD]LYH
üLÁDQüHOHWUHEXLHVĆVHSRWULYHDVFĆFRUHFW
FXD[XOVFXOHLHOHFWULFH'LVFXULOHúLÀDQúHOH
FDUHQXVHSRWULYHVFH[DFWSHDUERUHOH de polizat al
VFXOHLGXPQHDYRDVWUăHOHFWULFHVHURWHVFQHXQLIRUP
YLEUHD]ăIRDUWHSXWHUQLFúLSRWFRQGXFHODSLHUGHUHD
controlului asupra sculei.
L 1XXWLOL]DĦLGLVFXULGHWHULRUDWHvQDLQWHGH
ÀHFDUHXWLOL]DUHDVLJXUDĦLYĆFĆGLVFXULOH
QXVXQWFLRELWHVDXFUĆSDWH'DFĆVFXOD
HOHFWULFĆVDXGLVFXOHVWHVFĆSDWSHMRV
YHULÀFDĦLGDFĆQXVDGHWHULRUDWVDX
PRQWDĦLXQDOWGLVFQHGHWHULRUDW'XSĆ
YHULÀFDUHDüLPRQWDUHDGLVFXOXLDWkW
GXPQHDYRDVWUĆFkWüLSULYLWRULLvQGHSĆUWDĦL
YĆGHSODQXOGHURWDĦLHDGLVFXOXLüLOĆVDĦL
VFXODHOHFWULFĆVĆIXQFĦLRQH]HXQPLQXWOD
WXUDĦLDQRPLQDOĆ'HFHOHPDLPXOWHRULXQGLVF
GHWHULRUDWVHVSDUJHvQDFHDVWăSHULRDGăGHSUREă
M 3XUWDĦLHFKLSDPHQWGHSURWHFĦLHLQGLYLGXDO
ÍQIXQFĦLHGHVFRSXOXWLOL]ĆULLXWLOL]DĦL
PDVFĆSHQWUXÀJXUĆüLRFKHODULGH
SURWHFĦLHÍQPRGFRUHVSXQ]ĆWRUSXUWDĦL
PDVFĆSHQWUXSUDIDQWLIRDQHPĆQXüLüRUĦ
GHDWHOLHUFHSRDWHRSULIUDJPHQWHOHPLFL
DEUD]LYHVDXDOHSLHVHLSUHOXFUDWH3URWHFĠLD
SHQWUXRFKLWUHEXLHVăSRDWăRSULSDUWLFXOHOHFHVDU
vQXUPDGLIHULWHORURSHUDĠLXQL0DVFDSHQWUXSUDI
VDXDSDUDWXOSHQWUXUHVSLUDWWUHEXLHVăSRDWă¿OWUD
SDUWLFXOHOHUH]XOWDWHGLQDFWLYLWDWHDGYV([SXQHUHD
vQGHOXQJDWăOD]JRPRWGHLQWHQVLWDWHULGLFDWăSRDWH
duce la pierderea auzului.
N 3HUVRDQHOHGLQMXUVHYRUVLWXDODRGLVWDQĦĆ
GHVLJXUDQĦĆIDĦĆGH]RQDGHOXFUX
2ULFLQHSĆWUXQGHvQ]RQDGHOXFUXYDSXUWD
HFKLSDPHQWXOLQGLYLGXDOGHSURWHFĦLH
Fragmente din piesa de prelucrat sau din discurile
VSDUWHSRW¿SURLHFWDWHvQDHUúLSRWVăSURYRDFHUăQLUL
FKLDUvQDIDUD]RQHLGHOXFUXLPHGLDWH
, ĥLQHĦLXQHDOWDHOHFWULFĆQXPDLGHVXSUDIDĦD
L]RODWĆGHSULQGHUHDWXQFLFkQGHIHFWXDĦL
RRSHUDĦLXQHODFDUHDFFHVRULXOGH
GHELWDUHSRDWHLQWUDvQFRQWDFWFXFLUFXLWH
HOHFWULFHDVFXQVHVDXFXFDEOXOSURSULX
GHDOLPHQWDUH$FFHVRULXOGHGHELWDUHFDUHLQWUă
vQFRQWDFWFXXQFDEOXVXEWHQVLXQHSRDWHGHVFRSHUL
SăUĠLOHPHWDOLFHDOHDFHVWXLDúLSRDWHSURYRFD
electrocutarea operatorului.
P$PSODVDĦLFDEOXOGHDOLPHQWDUHGHSDUWHGH
DFFHVRULXOURWLWRU'DFăSLHUGHĠLFRQWUROXODVXSUD
VFXOHLFDEOXOGHDOLPHQWDUHSRDWH¿WăLDWVDXSULQV
LDUPkQDVDXEUDĠXOGXPQHDYRDVWUăSRDWH¿WUDVVXE
GLVSR]LWLYXOGHOXFUXDÀDWvQURWDĠLH
Q1XDüH]DĦLQLFLRGDWĆXQHDOWDHOHFWULFĆSkQĆ
FkQGDFFHVRULXOQXVDRSULWFRPSOHWDiscul
DÀDWvQURWDĠLHSRDWHDMXQJHvQFRQWDFWFXVXSUDIDĠDGH
VSULMLQúLSXWHĠLSLHUGHFRQWUROXODVXSUDVFXOHLHOHFWULFH
R1XSXQHĦLXQHDOWDHOHFWULFĆvQIXQFĦLXQH
DWXQFLFkQGYĆGHSODVDĦL&RQWDFWXODFFLGHQWDO
FXDFFHVRULXOURWLWRUYăSRDWHDJăĠDKDLQHOH
vPSLQJkQGDFFHVRULXOVSUHFRUS
S&XUĆĦDĦLUHJXODWIDQWHOHGHDHULVLUHDOH
XQHOWHLHOHFWULFH9HQWLODWRUXOPRWRUXOXLYDDEVRUEL
SUDIXOvQFDUFDVăLDUDFXPXODUHDH[FHVLYăGHSLOLWXUă
SRDWHGXFHODGHIHFĠLXQLHOHFWULFH
T1XSXQHĦLXQHDOWDHOHFWULFĆvQIXQFĦLXQH
OkQJĆPDWHULDOHLQÁDPDELOH6FkQWHLOHSRW
aprinde aceste materiale.
U 1XXWLOL]DĦLDFFHVRULLFDUHQHFHVLWĆOLFKLGH
GHUĆFLUHUtilizarea apei sau a altor lichide de
UăFLUHSRDWHSURYRFDHOHFWURFXWăULVDXúRFXULHOHFWULFH
5(&8/û,$/7($9(57,60(17(6,0,/$5(
5HFXOXOHVWHRUHDFĠLHEUXVFăODXQGLVFURWDWLYDJăĠDWVDX
SULQV$JăĠDUHDVDXSULQGHUHDFDX]HD]ăEORFDUHDUDSLGă
DGLVFXOXLURWDWLYLDUDFHVWDODUkQGXOVăXYDGXFHOD
SLHUGHUHDFRQWUROXOXLXQHOWHLHOHFWULFHúLIRUĠDUHDDFHVWHLD
vQGLUHFĠLDRSXVăURWDĠLHLGLVFXOXL
'HH[HPSOXGDFăXQGLVFDEUD]LYVHEORFKHD]ăVDX
VHDJDĠăvQSLHVDSUHOXFUDWăPDUJLQHDGLVFXOXLFDUH
DMXQJHvQSXQFWXOGHJULSDUHSRDWHvQDLQWDvQVXSUDIDĠD
PDWHULDOXOXLSURYRFkQGULGLFDUHDVDXVăULUHDGLVFXOXL
'LVFXOSRDWHVăULVSUHRSHUDWRUVDXvQSDUWHDRSXVă
DFHVWXLDvQIXQFĠLHGHGLUHFĠLDGHGHSODVDUHDGLVFXOXLvQ
PRPHQWXOJULSăULL'HDVHPHQHDGLVFXULOHDEUD]LYHVHSRW
UXSHvQDFHVWHFRQGLĠLL
5HFXOXOHVWHUH]XOWDWXOvQWUHEXLQĠăULLJUHúLWHúLVDXD
SURFHGXULORUVDXFRQGLĠLLORULQFRUHFWHGHIXQFĠLRQDUHúLVH
SRDWHHYLWDSULQOXDUHDXQRUPăVXULDGHFYDWHFDPDLMRV
DĥLQHĦLVWUkQVXQHDOWDHOHFWULFĆüLSODVDĦL
YĆFRUSXOüLPkLQLOHSHQWUXDSXWHDIDFH
IDĦĆIRUĦHORUGHUHFXO8WLOL]DĦLvQWRWGHDXQD
PkQHUXODX[LOLDUGDFĆHVWHIXUQL]DWSHQWUX
XQFRQWUROPD[LPDVXSUDUHDFĦLHLGHUHFXO