Bsi bs en 01218 5 2004 + a1 2009

The s ar and finish of text int oduced or altered b amendment is indicated in the text b tag s.. For ex mple, text altered b CEN amendment A1 is indicated b !".. F r Comput er Numericaly

Safety of woodworking

chain

ICS 7 1 0.1

This British Stand rd is the UK implementation of

EN 1 18-5:20 4+A1:20 9, incorporating cor ig endum December 20 6 I

super edes BS EN 1 18-5:20 4 which is withdrawn

The s ar and finish of text int oduced or altered b amendment is

indicated in the text b tag s Tag s indicating chang es to CEN text

car y the n mber of the CEN amendment For ex mple, text altered b

CEN amendment A1 is indicated b !"

The UK p r icip tion in it prep ration was ent us ed to Tech ical

Commit e MTE/23, W oodworking machines

A l s of org anizations represented on this commite can be obtained on

reques to it sec etary

This publ cation d oes not purpor to includ e al the neces ary provisions of a

cont ac User are responsible for it cor ec a pl cation

Complanc with a British Standard cannot confer im munity f om

leg al o l g ations

Amendments/cor ig enda is ued sinc publ cation

This Bri sh Stand ard, was

publshed u der the authoriy

of the Stand ards Polcy an

Strateg y Commi e

on 2 July 2 0

© BSI 2 0

EU ROPÄISCH E NORM

Se t emb r 2 0

En ls V ersion

Safet y of woodwork ing mac hines - Tenoning mac hines - Part 5:

One side profi ing mac hines wit h fixed t able and feed rol ers or

Sé urit é d s ma hin s p ur le t rav ai d b is -

Te o n u e - Part ie 5: Ma hin s à profier s r u e fa e à

t able fix et av an e p r ro le u o p r c aîn

Sic erh it v on Holz e rb itu g ma c in n -

Za fe s h eid- u d Sc ltzma c in n - Tei 5:Ein eitig

Profi erma c in n mit fe temTis h u d mit V ors h brole

o er mit K et te b n v ors h b

This Euro e n Sta d rd wa a prov ed b CEN o 2 Marc 2 0 a d in lu e Corig n um 1 is u d b CEN o 2 De emb r 2 0 a d

A me dme t 1 a prov ed b CEN o 3 July 2 0

CEN memb rs are b u d to c mply wit h th CEN/ CENELEC Intern l R eg lat io s whic st ip lat e th c n it io s for giv in t his Euro e n

St an ard t he st atu of a n tio al st an ard wit ho t a y alt erat io Up-to-d te lsts a d biblo ra hic l refere c s c n ernin s c n tio al

st an ard ma b o t ain d o a plc tio t o t he CEN Ma a eme t Ce tre or t o a y CEN memb r

This Euro e n Sta d rd e ists in thre oficial v ersio s (En ls , Fre c , Germa ).A v ersio in a y t her la g a e ma e b tra slatio

u d r t he re p n ibi ty f a CEN memb r int o it s own la g a e a d n tifie t o t he CEN Ma a eme t Ce t re h s t he s me statu a th

oficial v ersio s

CEN memb rs are th n t io al sta d rd b die of Aust ria, Belgium,Bulg ria,Cy pru ,Cz c R ep blc,De mark ,Esto ia,Finla d,

Fra c , Germa y , Gre c ,Hu g ry ,Ic la d, Irela d, It aly , L tv ia, Lith a ia,L x mb urg, Malt a, Net herla d ,Norway , Pola d, Port ug l

R oma ia,Slov ak ia, Slov enia, Sp in,Swe e , Switz rla d a d Unit ed K in d m

E U ROPEA N COMMI TT E FO STA N DA RDI ZA TI ON

COMIT EUR PÉ N DE NORMALISATION

EUR PÄISCHES KOMIT E FÜ N RMUN

Management Cent re: Av en e Marnix 17, B- 10 0 Brus els

Cont ent s

p ge

Foreword

4? Int rod c on 5?

1? Sco e 6?

2? Norma v refere c s 6?

3? Terms a d d finit ion 9?

3.1? Ge eral 9?

3.2? Terms 9?

3.3? Definit ions 1 ?

4? List of sig ific nt h zard 15? 5? Safety re uireme t s a d/ or me s re 17? 5.1? Ge eral 17? 5.2? Cont rols 18? 5.2.1? Safety a d relabi ty of cont rol sy st ems 18? 5.2.2? Posit ion of cont rols 19? 5.2.3? St art i g 19? 5.2.4? Normal st op ing 2 ?

5.2.5? Emerge c st op 2 ?

5.2.6? Int egrat ed fe d 2 ?

5.2.7? Posit ionin of to l spin le 21?

5.2.8? Spe d c a gin 21?

5.2.9? F i ure of t he p wer s p ly 21?

5.2.10? F i ure of cont rol circ it s 21?

5.3? Prot ec on a ain t me h nic l h zard 2 ?

5.3.1? St abi ty 2 ?

5.3.2? !R is of break -up d ring o eration" 2 ?

5.3.3? T ol holder a d to l de ign 2 ?

5.3.4? Brak in 2 ?

5.3.5? De ic s to minimis th p s ibi ty or t he efe t of eje tion 2 ?

5.3.6? W ork- pie e s p ort s a d g id s 3 ?

5.3.7? Pre e t ion of a c s t o moving part s 31?

5.4? Prot ec on a ain t non- me h nic l h zard 3 ?

5.4.1? Fire 3 ?

5.4.2? Nois 3 ?

5.4.3? Emis ion of c ips a d d st 3 ?

5.4.4? Ele tricity 3 ?

5.4.5? Ergonomic a d h n ln 3 ?

5.4.6? Lig t i g 3 ?

5.4.7? Pn uma c 3 ?

5.4.8? Hydra l c 3 ?

5.4.9? !Ele troma n t i compa bi ty" 3 ?

5.4.10? St at i ele t ricity 3 ?

5.4.1 ? Erors of fit t in 3 ?

5.4.12? Isola on 3 ?

5.4.13? Maint en n e 3 ?

6.3? In t ru t ion h n b ok 41?

Ann x A (informa v ) Ex ample of s fety relat ed ele t ronic cont rol systems 4 ?

Ann x B (normat iv e) To l spin le dime sional t olera c s 4 ?

Ann x C (norma v ) Opera n con it ion for nois emis ion me s reme t 4 ?

C.1? Ge eral .4 ?

C.2? Nois me s reme ts 4 ?

C.2.1? Te t condit ion 4 ?

C.2.2? Micro hone p sit ion 4 ?

C.2.3? Ge eral d t a s e t 51?

Ann x ZA (informat iv e) !Relations ip bet we n t his Europe n Sta dard a d t he Es e t i l Req ireme ts of EU Directiv 9 /37/EC" 5 ?

Ann x ZB (informat iv e) !Relation hip bet we n t his Euro e n Sta d rd a d t he Es e t i l Req ireme ts of EU Directiv 2 0 /42/EC" 5 ?

Biblograph 5 ?

Foreword

This doc ment (EN 1218-5:2 0 +A 1:2 0 ) has b en pre ared by t he Tec nical Commit t ee CEN/TC 14

"Wo dworkin mac ines - Safety", the secret ar i t of w hic is held by UNI

This Euro e n St an ard s al b given t he st atu of a nat ional st an ard, eit her by publcat ion of an ident ical

t ex t or by en orsemen at t he latest by Marc 2 10, an conflctin nat ional st an ard s al b with raw n at

t he lat est by Marc 2 10

At t ent ion is draw n to t he p s ibi ty that some of t he element s of t his doc ment may b t he s bject of p t ent

rig t s CEN [an /or CENELEC] s al not b held resp n ible for identifyin an or al s c p t ent rig t s

This doc ment in lu es A men ment 1, a prov ed by CEN on 2 0 -0 -3 an Corigen um 1, is ued by CEN

on 2 0 -12-2

This doc ment s p rsedes EN 1218-5:2 0

The st art an finis of t ex t int rod ced or alt er ed by amen ment is in icat ed in t he t ex t by t ag ?!?"??

The modificat ion of t he relat ed CEN Cor igen um hav e b en implement ed at he a pro riat e places in t he

t ex t an are in icated by the t ag ?˜ ™??

This doc ment has b en pre ared u der a man ate giv en to CEN by the Euro e n Commis ion an the

Euro e n Fre Trade Associat ion, an s p ort s es ent ial req irement s of !Mac iner y Direct iv es"

!F r relation hip w it h EU Direct iv e(s), se informat ive A nnex es ZA an ZB, w hic are integral p rt s of t his

doc men "

!EN 1218 Safety ofwo dworkin machin s — Te o in machin s con ist s of t he folow in p rt s:

Part 1: Sing le e d te o in machin s with sldin ta le

Part 2 : D ouble e d te o in a d/or profi n machin s fed b chain or chains

Part 3 : Ha d fed te o in machin s with s lidin ta le fo r cuttin s tructural timb rs

Part 4: Edg b ndin machin s fed b chain(s )

Part 5: O ne side profi n machin s with fix d ta le a d fe d ro llers or fe d chain"

Organisation cont ribut in t o t he pr ep ration of t his Euro e n St an ard in lu e Euro e n Commit t ee of

Wo dworkin Mac iner y Man fact urers Association "EUMA BOIS"

The Euro e n St an ard prod ced by CEN/TC 14 ar e p rt ic lar to woodworkin mac ines an complement

t he relevant A an B St an ard on t he s bject of general safety (se int rod ct ion of EN ISO 1210 -1:2 0 for

a des ription of A, B an C st an ard )

Ac ordin t o t he CEN/CENELEC Internal R eg lat ion , t he national st an ar ds organization of t he folow in

cou t ries are b u d t o implement t his Euro e n St an ard: Aust ria, Belgium, Bulga a, Cypru , Czec

R epublc, Denmark, Est onia, Finlan , Fran e, German , Gre ce, Hu gary, Icelan , Irelan , Italy, L t via,

Lit huania, Lux emb urg, Malt a, Netherlan s, Nor way, Polan , Port ugal, R omania, Slov akia, Slovenia, Sp in,

Int roduct ion

This doc ment has b en pre ared t o b a harmonised st an ard t o prov ide one me n of conformin t o t he

es ent ial safety r eq irement s of t he Mac iner y Direct ive, an as ociat ed EFTA reg lat ion

This doc ment is a typ C st an ard as st at ed in !EN ISO 1210 -1:2 0 "

The mac iner y con erned an the ex t ent t o whic hazard , hazar dou situation an ev ent s cov ered are

in icat ed in t he s o e of t his doc men

When provision of t his typ C st an ard are diferent fom t hose w hic are st ated in typ A or B st an ar ds, t he

provision of t his C typ st an ar d t ake preceden e ov er t he pr ovision of ot her st an ard , for mac ines t hat

have b en desig ed an buit in ac ordan e wit h the provision of t his typ C st an ard

The req irement s of t his doc ment are directed to man fact urers an t heir aut horised re resentat ives of one

side profi n mac ines w it h fix ed t able an fe d rolers or fe d c ain It is also u eful for desig ers

This doc ment also in lu es informat ion w hic can b provided by the man fact urer t o t he u er

Common req irement s for tooln are giv en in !EN 8 7-1:2 0 "

1 Scope

!This doc ment sp cifies al sig ificant haz ard , haz ardou sit uation an ev ent s as lst ed in Clau e 4

w hic are relev ant to one side profi n mac ines with fix ed t able an fe d rolers or fe d c hain hereinafter

refered t o as "mac ines", w here the lo din an u lo din is man al an where t he max imum work-piec e

heig t ca ac ity is 2 0 mm The mac ine is desig ed t o proces in one p s one side of sold w ood, c ip

b ard, fibre o rd or ply w ood an also t hese mat erials w here they are cov ered w it h plast ic laminate The

w ork-piece is fed t hrou h the proces in u it s by an int egrated fe d con istin of rolers or a c ain."

!deleted te t"

This doc ment do s not a ply t o t ran p rta le mac ines

This doc ment do s not de l w it h an hazard relat in t o:

a) mec anical lo din an / or u lo din of t he w ork-piece; or

b) a mac ine b in u ed in combinat ion with an ot her mac ine (as p rt of a lne); or

c) u e of laser

F r Comput er Numericaly Cont roled (CNC) mac ines t his doc ment do s not cover hazard related to

Elect ro-Mag etic Comp t ibi ty (EMC)

NOT E 1 T he re uireme t s of t his d c me t a ply t o al mac hin s wh t ev er t heir met ho of cont rol e.g

elec t romec ha ic l a d/or ele tro ic

This doc ment is primariy direct ed t o mac ines w hic are man fact ured aft er t he dat e of publcation by CEN

NOT E 2 Sin le e d ten nin mac hin s wit h sldin t able are d alt wit h in EN 1218-1:19 9 Do ble e d t en nin a d/or

profi n ma hin s fe b c hain or c ains are d alt wit h in EN 1218-2 Sin le e d t en nin ma hin s wh re t he t en n is

pro u e o ly b me ns of saw-bla es are d alt wit h in EN 1218-3

The folowin referen ed doc ment s are in isp n a le for t he a plcation of t his doc men F r dated

referen es, only the edition cit ed a ples For u dat ed referen es, t he lat est edition of t he referen ed

!EN 8 4-1:19 7, Safety o f machin ry — Erg on mics req uireme ts for th des ig ofdis pla s a d co ntro l

actuators — Part 1: Ge eral principle for huma interactio s with dis pla s a d c ontrol actuators

EN 8 4-2:19 7, Safety of machin ry — Erg n mics req uireme ts fo r th des ig o f dis pla s a d contro l

EN 8 4-3:2 0 , Safety of machin ry — Ergo nomics req uireme ts for th des ig of dis pla s a d contro l

actu to rs — Part 3: C ontrol actuato rs"

!EN 10 5-1:2 01, Safety ofmachin ry — Hu ma p ys ical p ro rma ce — Part 1: Terms a d definitio s

EN 10 5-2:2 0 , Safety of machin ry — Huma p ys ical p rorma ce — Part 2: Ma u al h ndln o f

machin ry a d co mp n nt p rts ofmachin ry

EN 10 5-3:2 0 , Safety ofmachin ry — Huma p ys ical p rorma ce — Part 3: Recomme ded fo rce lmits

for machin ry o eratio

EN 10 5-4:2 0 , Safety of machin ry — Huma p ys ical p rorma ce — Part 4 : Ev lu tio of workin

p s ture a d mo veme ts in relatio to machin ry"

EN 10 7:19 5, Safety o fmachin ry — Pre e tio o fu ne p cted s tart- up

!deleted te t"

EN 10 8:19 5, Safety ofmachin ry — Interlockin de ices as s ociated with gu ards — Princ iple for des ig

a d s electio

EN 17 0-2:2 01, Safety o f machin ry — Pres s ure s ens itiv protectio de ices — Part 2: Ge eral principle

for th des ig a d tes tin ofpres s ure s ens itiv edg es a d pres s ure s ens itiv b rs

EN 18 7:19 9, Safety o fmachin ry — Inte ral lg htin ofmachin s

!EN 5 3 0-1:2 0 , Elec tro mag netic co mp tibi ty (EMC) — Product famiy s ta dard for machin - to ols —

Part 1: Emis s io

EN 5 3 0-2:2 0 , Electroma n tic comp tibi ty (EMC) — Pro duct famiy s ta dard for machin -to ls —

Part 2 : Immunity"

!EN 6 2 4-1:2 0 ", Safety of machin ry — Electrical eq uipme t o f machin s — Part 1: G en ral

requireme ts !(IEC 6 2 04- 1: 2005, mo dified)"

!EN 6 4 9-1:19 9, Lo w-v ltag e s witchg ar a d controlg ar as s emble — Part 1: Ty e- tes ted a d p rtialy

ty e-tes ted as s emble (IEC 6 439 -1:1999 )"

EN 6 5 9:19 1, D egre s ofprotectio pro ided b e clos ure (IP C o de) (IEC 60529 :19 89 )

!EN 6 9 7-4-1:2 01", Lo w-vo lta e s witchg ear a d control g ar — Part 4-1: Co ntacto rs a d mo

tor-s tartertor-s — Electro mecha ical co ntacto rs a d mo tor s tarters !(IEC 6 9 47-4- 1: 2 00 )"

!EN 6 9 7-5-1:2 0 ", L w- volta e s witchg ear a d control g ear — Part 5- 1: Co trol circuit de ices a d

s witchin eleme ts — Electro mecha ical control circu it de ices !(IEC 60947-5- 1: 2003)"

!EN 61310-1:2 0 , S afety ofmachin ry — Indicatio , markin a d actu atio — Part 1: R eq u ireme ts for

vis ual, auditory a d tactie s ig als (IEC 613 10- 1:2007)"

EN ISO 3 4 -1:19 5, Ac ous tics — D etermin tio ofs ou d p wer le els o f n is e s ources — Eng in erin

meth ds for s mal, mo e ble s ources in re erb ra t fields — Part 1: C omp ris on metho d for h rd waled test

roo ms (ISO 374 - 1: 19 9 4 )

EN ISO 3 4 -2:19 6, Ac o us tics — D etermin tio o f s ou d p wer le els of n is e s ources us in s o u nd

pres s ure — En in erin metho ds for s mal, mo e ble s ources in re erb ra t fields — Part 2: Meth ds fo r

s pecial re erb ratio tes t ro oms (ISO 374 - 2: 19 9 4 )

EN ISO 3 4 :19 5, Aco us tics — D eclaratio o fs ou nd p wer le els ofno is e s ources us in s ound pres s ure —

Eng in erin meth d in a es s entialy fe field o er a reflectin pla e (ISO 3 74 : 199 4)

EN ISO 3 4 :2 0 , Acous tics — D etermin tio ofs o u nd p wer le els ofn is e s ources — Precis io metho ds

fo r a e h ic a d semi- an c oic ro ms (ISO 3 745:2003)

EN ISO 3 4 :19 5, Acous tics — D etermin tio ofs ou nd po wer le els o fn is e s ources us in s ou nd pres s ure

— Surv y metho d us in a e v lo in me s ureme t s urface o ver a reflectin pla e (ISO 374 :19 95)

EN ISO 4 71:19 6, Acoustics — D etermin tio a d v rificatio ofn is e emis s io n v lu es ofmachin ry a d

eq u ipme t (ISO 4 71:19 96)

EN ISO 9 14-1:19 5, Ac o us tics — D etermin tio o f s ou d p wer le els of n is e s ources us in s o u nd

inte s ity — Part 1: Me s ureme t at dis crete p ints (IS O 9614 - 1: 19 9 3)

EN ISO 1 2 2:19 5, Acou s tics — Nois e emited b machin ry a d equ ipme t — Me s ureme t ofemis s io

s ound pres s ure le els at a works tatio a d at oth r s pecified p s itio s (ISO 1 202: 1995)

EN ISO 1 2 4:19 5, Acou s tics — Nois e emited b machin ry a d eq uipme t — Me s ureme t ofemis s io

s ound pres s ure le els at a works tatio n a d at o th r s pecified po s itio s — Meth d requ irin e viro me tal

corectio ns (ISO 1 2 04: 1995)

EN ISO 1 6 8-1:19 8, Acous tics — Recomme ded practice for th des ig of low n is e machin ry a d

eq u ipme t — Part 1: Pla nin (ISO /T 1 6 8- 1: 199 5)

EN ISO 1210 -1:2 0 , Safety ofmachin ry — B as ic concepts , g en ral principle for des ig n — Part 1: B as ic

termin lo y, meth dolo y (ISO 12 10 -1: 2003)

EN ISO 1210 -2:2 0 , Safety o f machin ry — B as ic concepts , g n ral principle for des ig — Part 2:

Technical principle (ISO 1210 -2: 2003)

!EN ISO 13 4 -1:2 0 , Safety o f machin ry — Safety- related p rts o fco ntrol s ys tems — Part 1: Ge eral

principle for des ig (ISO 1384 9 -1: 2006)"

!EN ISO 13 5 :2 0 , Safety o f machin ry — Emerg ncy s to — Principle fo r des ig n

(ISO 13 850:2006)"

ISO 2 6-2:19 8, ISO system of lmits a d fits — Part 2: Ta les of sta dard tolera c grade a d lmit

de iatio s fo r ho le a d s hafts

!HD 21.1 S4:2 0 , Ca le o f rated v lta e up to a d inclu din 450/750 V a d h vin th rmo plas tic

ins ulatio — Part 1: Ge eral re uireme ts"

!HD 2 1 S4:2 0 , Ca le of rated v lta e u to a d inclu din 450/7 0 V a d h vin cros s -lin ed

ins ulatio — Part 1: Ge eral re uireme ts"

3 Terms and definit ions

F r t he purp ses of t his doc men t he terms an definition giv en in !EN ISO 1210 -1:2 0 " a ply

Addit ional definit ion sp cificaly ne ded for t his doc ment are s own in 3.2 an 3.3

3.2 T erms

The main p rt s of a one side profi n mac ine w ith fix ed t able an fe d rolers or fe d c ain an t heir

t erminolog are i u t rat ed in Fig res 1 an 2

8 9 8 9 7

123

8 Det er in /imp din dev ice a ov e the w ork-piece

9 Det er in /imp din dev ice b low t he work-piece

10 Glas b ad saw u it (o tional)

1 Hin e reces in u it o t ional)

Fig re 1 — Terminology of a ma hin wit h rol er fe d

9 Det erin /imp din dev ice a ov e the w ork-piece

10 Det erin /imp din dev ice b low t he work-piece

1 Glas b ad saw u it (o tional)

12 Hin e reces in u it o t ional)

Fig re 2 — Terminolog of a ma hine with c ain fe d

3.3 Definitions

3.3.1

on sid profi n ma hine wit h fix ed t able a d fe d rolers or fe d c ain

mac ine desig ed t o profie one side of t he w ork-piece in one p s (se for an ex ample of one side profi n

mac ine Fig re 3) The mac ine con ist s of a zone for mi in with one or more v ertical t ool spin les In

ad it ion the c t tin an recov ery of a glas b ad (glas b ad saw u it – se Fig re 4) an /or hin e reces in

(hin e reces in u it – se Fig re 5) may b pr ovided

Fig re 3 — Ex ample of a on sid profi n ma hin

3.3.2

inte rat ed fe d of on side profi n ma hine with fix ed table a d fe d rolers or fe d c ain

fe d mec anism for t he w ork-piece w hic is integr at ed w it h t he mac ine an where t he w ork-piece is

held/cont roled mec anicaly d r in t he mac inin o erat ion The fe d mec anism con ist s of eit her fe d

rolers in conju ct ion wit h a fix ed t able (se Fig re 1) or a fe d c ain in conju ct ion with a to pres ure device

e.g pres ure rolers or pres ure b lt s (se Fig re 2)

3.3.3

gla s be d s w u it

w ork u it fit t ed w it h a saw-blade t o c t out a glas b ad fom t he mac ined profie of t he w ork-piece (e.g se

Fig re 4)

52

6

87

work u it fit t d w ith a mi in to l t o reces hin es for win ow fit t in s (e.g se Fig re 5) The to l spin le

mov es in a plane vert icaly t o t he fen e d rin proces in an ret urn t o it s st art in p sition re d for t he

folow in (s c e din ) wor k -piece

K ey

1 V ert ical hin e reces in u it

2 Horizontal hin e r eces in u it

3 Proces in mov ement of vert ical hin e reces in u it

4 Proces in mov ement of horizont al hin e reces in u it

5 Act uator for mov ement of v ert ical hin e reces in u it

6 F ed direct ion

Fig re 5 — Ex ample of hin e re e sin u its

k ick ba k on a on sid profi n ma hin

p rt ic lar form of eject ion des ribin t he u ex pected mov ement of t he w ork-piece or p rt of it o p site to t he

direct ion of fe d d rin proces in

3.3.7

a ti-k ick ba k d vic

device w hic eit her red ces t he p s ibi ty of kic kb c k or arest s t he mot ion d rin kic kb c k of t he w ork-piece

inte ral e clos re

g ardin desig ed to fit close t o the mac ine an prov ide a me s re of sou d at t en at ion an where cert ain

set t in adju t ment s may b avaia le out side it

3.3.1

ma hin a tu tor

p wer mec anism u ed t o efect t he mot ion of t he mac ine

3.3.12

!displa e ble ma hin "

mac ine w hic is locat ed on t he flo r, stat ionary d rin u e an eq ip ed w ith a device, normaly w he ls,

w hic alow it o b mov ed b tween location

3.3.13

!information from t he s p ler "

st at ement s, sales lt erat ure, le flet s or ot her, where a man fact urer (s p ler) declares eit her t he

c aract erist ic of e.g a mat erial or prod ct or the complan e of t he mat erial or prod ct t o a relevant stan ard

4 List of significant haz ards

!This clau e cont ain al sig ificant hazard , hazardou sit uation an ev ent s (se EN 10 0:19 6) as far as

t hey are de lt w it h in this doc men identified by ris as es ment as sig ificant for t he mac ines as defined in

t he s o e an whic req ire act ion to elminat e or red ce t he ris This doc ment de ls w it h these sig ificant

hazard by definin safety req irement s an /or me s res or by r eferen e t o r elev ant st an ard

These haz ar ds are lst ed in Ta le 1 in ac ordan e w ith Anne A of EN 10 0:19 6

Table 1 — List of sig ific nt h zard

d) mas an v elocity (kinet ic energ of

element s in cont roled or u cont roled

mot ion);

5.2.6, 5.2.7

5.3.5

- ac umulat ion of energ in ide the mac iner y:

g) lq id an gases u der pres ure; 4.2 4.10, 5.5.4 5.4.7, 5.4 8

1.9 Hig pres ure fluid injection or eject ion

hazard

5.3.4, 5.4.7,

5.4.8

2 Elect rical ha ards d e t o:

2.1 Cont act of p rson wit h lv e p rt s (direct

cont act )

5.4.12, 5.4.13

2.2 Cont act of p rson wit h p rt s w hic hav e

b come lve u der faulty con ition

(in ir ect cont act )

He rin los (de fnes ), other

ph siological disorders (los of b lan e,

los of awarenes )

4.2

Int ereren e with sp ec commu icat ion,

acou t ic sig als

5.4.2

7

Hazard ge erate by mat erials a d s bsta c s (an t heir con tit uent element s)

proces ed or u ed by t he mac inery

7.1 Hazard fom cont act w it h or in alation of

harmful fluid an d st s

Table 1 — (continu ed)

8 Hazard ge erate by n gle t i g ergonomic principle in ma hin ry d sig

8.8 Desig or locat ion of v is al display u it s 4.8.8, 6.2 5.2.2

9 Combin tion of h zard

10

Un x pe te st art up, u ex pe t ed ov rrun/ ov rspe d (or an simiar malfu ct ion)

fom:

10.1 F iure/disorder of t he cont r ol s stem 4.1 , 5.5.4 5.2.1, 5.2.10

10.2 R est orat ion of energ s p ly aft er an

The mac ine s al comply w it h t he safety req irements an / or prot ect iv e me s res of t his Clau e In ad ition,

t he mac ine s al b desig ed in ac ordan e with the prin iples of Clau e 5 of EN ISO 1210 -1:2 0 for

hazard relevant but not sig ificant, whic are not de lt w it h by t his doc ment e.g s arp ed es)

F r g idan e in con ection with ris red ct ion by desig , se Clau e 4 of EN ISO 1210 -2:2 0 , an for

safeg ardin me s res, se Clau e 5 of EN ISO 1210 -2:2 0

5.2 Controls

5.2.1 Safety a d relabi ty of cont rol sy st ems

F r t he purp ses of t his doc ment a safety related cont rol s st em is one fom an in lu in t he initial man al

cont rol or p sit ion det ect or t o t he p int of input o t he final act uat or or element e.g mot or The safety related

cont rol s stems of t his mac hine are those for:

 st art in (se 5.2.3);

 normal st op in (se 5.2.4);

 emergen y sto (se 5.2.5);

 int egrat ed fe d (se 5.2.6);

 hold-t o-u cont rol dev ice (se 5.2.7);

 st ep les sp ed c an in (se 5.2.8);

 provided t o sat isfy t he req irement s of 5.3.2 for av oidin cont act b tw een t ools an p rt s of t he mac ine;

 spin le u it loc in (se 5.3.3.4);

 brakin (se 5.2.4, 5.2.5, 5.3.4);

 mov ea le int erloc ed g ard (se 5.2.7, 5.3.7);

 mov ea le int erloc ed g ard w it h g ard loc in (se 5.3.7);

 t rip device (se 5.3.7.2)

Unles other wise stat ed in t his doc ment t hese cont rol s stems s al, as a minimum, b desig ed an

con t ru t ed in ac ordan e w it h cat egory 1 as defined in !EN ISO 13 4 -1:2 0 "

F r t he purp ses of t his doc ment "w el t ried comp nent s an prin iples" me n :

a) elect rical comp nent s if t hey comply w it h relev ant st an ard in lu in t he folowin as:

1) !EN 6 9 7-5-1:2 0 " (sect ion 3) for cont rol sw it ches w it h p sitive o enin o erat ion u ed as

mec anical act uat ed p sition det ectors for int erlock in g ard an for relay u ed in au i ary

circ it s;

2) !EN 6 9 7-4-1:2 01" for elect romec anical cont act ors an mot orst art ers u ed in main

circ it s;

3) !HD 2 1 S4:2 0 " for ub erin ulat ed ca les;

4) !HD 21.1 S4:2 0 " for p ly in l c loride ca le if t his ca le is ad itionaly prot ect ed again t

mec anical damage by p sit ionin (e.g in ide fames);

b) elect rical prin iples if t hey comply w ith t he first four me s res lst ed in 9.4.2.1 of !EN 6 2 4-1:2 0 "

The circ it s s al b eit her “hardwired”, or if elect ronic comp nent s are u ed in safety r elat ed cont rol

s stems “wel t ried” is fulfi ed if t hey are in ac ordan e w it h the req irement s of 9.4.2.2 (i.e red n an y

w it h cros -monit orin ) or 9.4.2.3 (i.e div ersity) of !EN 6 2 4-1:2 0 " (se A nne A for ex amples of

c) mec anical comp nent s if, for ex ample t hey o erate in the p sitive mode in ac ordan e w it h t he

des ript ion giv en in 4.5 of EN ISO 1210 -2:2 0 ;

d) mec anicaly actuated p sit ion det ect ors for g ard if t hey are act uated in t he p sitive mode an their

aran ement /fast enin an t he cam desig /mou t in comply w it h the req irement s of 5.2 an 5.3 of

EN 10 8:19 5;

e) int er loc in devices with g ard loc in if t hey sat isfy the req irement s of 5.3.7.1;

f) pneumat ic an h draulc comp nent s an s st ems if t hey comply w it h the req irement s of EN 9 3:19 6

an EN 9 2:19 6 resp ctively

As an ex ce t ion, t ime delay dev ices u ed in hardw ired safety relat ed cont rol circ it s w hic are desig ed for at

le st 1 mi ion act uat ion may b cat egor y B in ac ordan e w it h the req irement s of

!EN ISO 13 4 -1:2 0 "

Verificatio n: By c ec in the relevant drawin s an / or circ it diagrams an in p ct ion on the mac ine

!deleted te t"

!NOT E For c omp n nt s c ara teris cs t he informat io fromt he c mp n nt su pler c n b useful."

5.2.2 Position of cont rols

The main elect rical cont r ols for st art in the t ool spin les, normal st op in , int egrat ed fe d an to pres ur e

b am mov ement or fe d roler s p ort mov emen s al b located together on the mac ine a ov e t he

work-piece s p ort , or on a se arat e cont rol des fom whic t he lo din p sit ion an t he slot alon w hic t he

w ork-piece mov es can b se n

Where cont rols are locat ed on a se arate cont rol des it s p sit ion s al b in icat ed in the in t ru t ion

han b ok

Where a mo ie set of cont r ols is u ed, it s al b con ect ed by ca le t o the mac ine

Hold-to-u cont rol devices s al b locat ed so t hat t he o erator, when act uat in t hem, can se t he cont roled

mov ement s

F r t he p sition of t he emergen y sto cont rol se 5.2.5

Verificatio : By c ec in the relevant drawin s an / or circ it diagr ams, in p ct ion an relevant fu ct ional

t es n on t he mac ine

5.2.3 Startin

Before st artin or rest artin t he mac ine al the safeg ard s al b in place an fu ct ional This is ac iev ed

by t he int er loc in aran ement s desc rib d in 5.3.7 St art or rest art s al only b p s ible by act uat ion of t he

st art cont rol dev ice prov ided for t hat purp se

When p w er is s p led t o a t ool spin le mot or t his s al b in icated Me n of in ication are e.g by a lg t

sig al ne r t o t he st art cont rol or integrated in the st art but t on or by u in a t w o p sition swit ch On CNC

mac ines t his may also b ac iev ed on req est by a vis al sig al or a mes age on t he monit or

It s al b p s ible t o st art e c t ool spin le mot or an t he fe d mec anism se arately (se 5.2.6) On

mac ines fit t ed wit h CNC or a programma le Elect ronic Sy tem (P S) t his may b ac iev ed by the n merical

cont rol or by u in the PES

F r elect ricaly start ed mac ines se 9.2.5.2 of !EN 6 2 4-1:2 0 "

Verificatio : By c ec in the relevant drawin s an / or circ it diagr ams, in p ct ion an relevant fu ct ional

t est in on t he mac ine

5.2.4 Normal stop in

A st op cont rol s al b fit t ed w hic , w hen act uated, sto s al mac ine act uators an c t s p w er t o t hem on e

st op in is complet e

The cat egory of t his st op fu ct ion (cat egor y 0 or 1) s al b in ac ordan e w it h t he req irement s of 9.2.2 of

!EN 6 2 4-1:2 0 ", w here the “safety an /or fu ct ional” req irement s of t he mac ine are fulfi ed by

av oidin imp ct b t w een t he work-piece an ru nin dow n or st at ionary t ools an alows p w er t o b

maint ained t o t he elect rical brake (if prov ided) u t il t he brakin seq en e is complet e

The a ov e req ir ement s s al b satisfied at t he level of cont rol circ it s If a time-delay device is u ed, the

t ime delay s al at le st b more t han the max imum ru -dow n time of t he mac ine, an eit her t he t ime delay

s al b fixed or t he adju t ment mec anism s al b se led

If t he emergen y st op prov ided by virt ue of 5.2.5 also ac iev es at le st t he a ove req irement s, t hen the

emergen y st op can b regarded as fulfi in t he r eq irement s of t he normal st op cont r ol In t his case

precaut ion s al b t aken t o prev ent automat ic or u ex pect ed restart in (also se 7.5 of

!EN 6 2 4-1:2 0 ")

Verificatio : By c ec in the relevant drawin s an / or circ it diagr ams, in p ct ion an relevant fu ct ional

t est in of t he mac ine

5.2.5 Emerg n y sto

Shal b ac ordin t o !EN ISO 13 5 :2 0 " an in ad ition:

Mac ines s al b fit t ed w ith emergen y st op cont rol(s) whic conform t o t he req irement s of 9.2.5.4 an 10.7

of !EN 6 2 4-1:2 0 " Howev er 10.7.5 of !EN 6 2 4-1:2 0 " do s not a ply

The req irement s for normal st op in in 5.2.4 s al a ply

Emergen y st op cont rols s al b fit t ed at he folow in locat ion :

a) s c t hat t hey can b r eac ed fom t he lo din an u lo din p sition of t he mac ine;

b) on e c mo ie set of cont r ols;

c) not more t han 0,5 m fom e c hold-t o-u cont rol device;

d) on t he main cont rol p nel

Verificatio : By c ec in t he relevant draw in s an /or circ it diagrams, me s remen in p ct ion an relev ant

fu ct ional t estin on t he mac ine

5.2.6 Inte rate fe d

The int egrat ed fe d s al only o erat e when t he to l spin les are eit her al ru nin u der p wer or w hen t hose

not ru nin u der p wer are ret ract ed so t hat t hey are in t he non-c t t in p sit ion for t he max imum t ool

diamet er for whic the mac hine is desig ed This may b ac iev ed e.g eit her by:

a) a lmit swit ch of at le st categor y B in ac ordan e w it h t he req irement s of !EN ISO 13 4 -1:2 0 ";

or

c) programma le elect ronic s stem (where fit t d).

Verificatio : By c ec in the relevant drawin s an / or circ it diagr ams, in p ct ion an relevant fu ct ional

t est in of t he mac ine

5.2.7 Posit ionin of t ool spin le

Horizontal an vert ical p sit ionin of t ool spin les s al only b p s ible u der one of t he folowin con it ion :

a) w it h g ard o en, i.e spin les not rot at in an int egrat ed fe d stat ionary, by a hold-t o-u cont rol This

hold-t o-u cont rol s al only b efect iv e w it h t he g ard o en; or

b) w it h t he g ard closed, v ertical mov ement s al only t ake place when t he t ool spin le is in the non-c t tin

p sition, e.g by int er loc in t he non-c t tin p sition w it h the vert ical mov emen Horizont al mov ement

t oward the w ork-piece s al only take place w hen t he spin le is ru nin

Verificatio : By c ec in the relevant drawin s an / or circ it diagr ams, in p ct ion an relevant fu ct ional

t est in of t he mac ine

5.2.8 Spe d c a gin

On mac ines fit t ed w it h a device (e.g a feq en y inv ert er) for infinitely varia le (st ep les ) sp ed c an in

for t ool spin les, t he device s al b s c t hat it do s not alow t he act ual sp ed to ex ce d t he select ed sp ed

by more t han 10 % The act ual sp ed or ex it feq en y can b conv erted in a comp rat or e.g by the

elect ronic s st em an can t here b comp red with the selected value eit her by t he inv ert er it self or by an

ex t ernal comp rat or (also se 9.4.2 of !EN 6 2 4-1:2 0 " an A.4)

Verificatio : By c ec in the relevant draw in s an / or circ it diagrams, me s rement !an " in p ct ion

!deleted te t"

!NOT E For t he c mp n nt c arac t eris c s a c nfirmat io from t he c omp n nt ma ufa t urer c n b useful."

5.2.9 Faiure of t he power s p ly

On elect ricaly driven mac ines in t he case of s p ly int eruption, automat ic rest art aft er t he rest orat ion of t he

s p ly voltage s al b prev ent ed in ac ordan e w it h the req irement s of 7.5 p ragra h 1 an 3 of

!EN 6 2 4-1:2 0 "

Where t he mac ine is fit t ed wit h pneumat ic act uat ors a device s al b prov ided w hic st ops the mac ine if

t he pneumat ic pres ure is les t han 5 % of t he normal pres ure st at ed (also se 6.3) Automat ic rest art of

t he mac ine s al b prev ent ed

Verificatio : By c ec in t he relevant draw in s an /or circ it diagrams, in p ct ion, me s rement an relev ant

fu ct ional t estin on t he mac ine

5.2.10 Faiure of control circ it s

The req irement s of EN 10 7:19 5 s al a ply an in ad it ion:

The cont rol circ it s s al b desig ed so t hat a lne r upt ure in an circ it e.g broken wire, pip or hose) w il

not res lt in t he los of a safety fu ct ion e.g inv olu tary st art se also !EN 6 2 4-1:2 0 ", EN 9 2:19 6

an EN 9 3:19 6)

Also se 5.2.1

Verificatio : By c ec in the relevant drawin s an / or circ it diagr ams, in p ct ion an relevant fu ct ional

5.3 Prote t ion a ainst me hanic l hazards

5.3.1 St abi ty

St ationar y mac ines an aux ilar y eq ipment e.g ad itional w ork-piece s p orts) s al b provided w it h the

faci ty, e.g holes in t he fame, for fixin t hem t o a s ita le st able st ru t ure e.g flo r (also se 6.3)

Verificatio : By c ec in the relev ant dr awin s an in p ct ion of t he mac ine

5.3.2 !Ris of bre k -up durin opera on"

The g ard for t he to ls s al b man fact ured fom mat erials w it h at le st he folowin pro erties (also se

5.3.7):

a) st eel w it h an ultimat e bre kin st ren t h of at le st 3 0 N mm

-2

an a w al t hic nes of at le st 2 mm;

b) lg t aloy w ith t he c aracterist ic s own in Ta le 2;

Table 2 — Lig t aloy t ool gu rd t hick ne s a d t ensie stre gth

Minimum ult imat e t en ie stren t h

N mm-2

c) p ly arb nate w it h a w al thic nes of at le st 3 mm or ot her plast ic mat erial w ith s c a wal t hic nes

t hat he imp ct st ren t h is eq al to or b t t er than t hat of p ly arb nat e of 3 mm thic nes ;

d) cast iron w it h an ultimat e t en ie st ren th of at le st 2 0 N mm

-2

an a wal t hic nes of at le st 5 mm

Cont act b tw een to ls an p rt s of t he mac ine d r in p w ered adju t ment of t he spin les s al b avoided

e.g by a man aly adju t able mec anical rest raint dev ice or by me n of n meric cont rol Adju t ment do s

not in lu e cont roled mov ement d rin mac inin (also se 6.3 g) an l)

Verificatio : By c ec in t he relev ant drawin s, me s rement !an " in p ction of t he mac ine

!deleted te t"

!NOT For t he ultimat e tensie st re gth a c onfirmatio fromt he ma ufac t urer of t he mat erial c n b useful."

5.3.3 To l hold r a d t ool d sig

5.3.3.1 Geometric l performa c

All t ool spin les s al b man fact ured to at le st t he r eq irement s given in An e B

The p rt of t he spin le up n whic t he t ool is locat ed s al have a minimum t oleran e of g6 in ac ordan e w ith

t he req irement s of ISO 2 6-2:19 8

Verificatio : By c ec in the relev ant dr awin s an by me s remen

5.3.3.2 Stre gth

The t ool spin les s al b man fact ured fom st eel wit h a minimum ult imat e t en ie st ren t h of 5 0 N mm

-2

!NOT E For t he ultimat e tensie st re gth a c onfirmatio from t he ma ufa turer of t he mat erial c n b useful."

5.3.3.3 Dime sion for spin le a d t ools

Wit h regard to the b lan in req irement s s ow n in 6.2.4 of !EN 8 7-1:2 0 ", the man fact urer s al

declare for e c spin le the max imum sp ed, max imum mas an dimen ion of t he t ools t hat can b u ed

w it h it also se 6.3)

Verificatio : By calc lat ion or ot her met hod, e.g t es ac e t ed stan ard , prov en ex perien e

5.3.3.4 Spin le u it lock ing

Spin le u it s whic are fix ed in p sit ion d rin mac inin s al b held in this fix ed p sit ion, e.g by me n of:

a) w here se in adju t ment is man al, a sec r in dev ice; or

b) w here se in adju t ment is by an elect ric mot or, a brake or self loc in t ran mis ion (e.g a rac an

pinion); or

c) w here se in adju t ment is by pneumat ic p w er, a non- et urn v alv e direct ly con ect ed t o t he act uatin

c ln er; or

d) w here se in adju t ment is u der n meric cont rol, t he cont rol circ it

NOT E In t he c nt ext of t his re uireme t a just me t ” d es n t inc lu e c ont role mov eme t d rin ma hinin

Verificatio : By c ec in the relevant drawin s an / or circ it diagr ams, in p ct ion an relevant fu ct ional

t es n of t he mac ine

5.3.3.5 Spin le lock in

Where it is neces ar y t o hold t he spin le st at ionary for t ool c an in , a spin le holdin dev ice s al b

provided e.g by a double sp n er

Verificatio : By c ec in the relev ant dr awin s, in p ct ion an relevant fu ctional t est in on t he mac ine

5.3.3.6 S in le rin s

Where spin le rin s are pr ovided, their b res s al hav e a toleran e of at le st H8 in ac ordan e w ith t he

req irement s of ISO 2 6-2:19 8 The spin le rin clampin s races s al b p r alel w ithin± 0,0 mm

Spin le rin s s al b man fact ured in st eel w it h an ult imat e t en ie st ren t h of at le st 3 0 N mm

-2

F r spin le rin s wit h a b re siz e ≥ 3 mm t he wal t hic nes s al b ≥ 9,5 mm Where t he b re size is

< 3 mm t he wal t hic nes s al b ≥ 4 mm

Verificatio n: By c ec in the relev ant dr awin s, in p ct ion !an " me s rement !deleted te t"

!NOT E For t he ultimat e tensie st re gth a c onfirmatio from t he ma ufa turer of t he mat erial c n b useful."

5.3.3.7 T ol fix in d vic

To l spin les s al b prov ided w it h one of t he folow in t ool fix in devices:

a) a p sit iv e con ection b twe n the to l an t he spin le; or

c) a cone con ection.

Where saw flan es are prov ided, t hey s al conform t o t he folow in req irement s:

d) t he diamet er of b t h flan es (or flan e for flu h mou t ed saw-blades) s al b at le st D /6 with a minimum

eq al t o t he diamet er of t he spin le plu 10 mm, (where D is t he diamet er of t he largest saw-blade for

w hic the mac ine is desig ed);

e) for flan es ot her than t hose for flu h mou t ed saw-blades, t he clampin s race at t he out side p rt of t he

flan e s al b flat ov er a w idt h of at le st a 5 mm an reces ed t o t he cent re (se Fig re 6) Bot h out side

diamet ers s al b w ithin a t oleran e of ± 1 mm

When fit t ed w it h a h dr aulc t ool fix in s stem, t here s al b a device whic pr ev ent s axial mov ement of the

t ool in t he case of h draulc s stem faiure

Verificatio n: By c ec in the relevant drawin s, in p ct ion, me s rement an relev ant fu ct ional t estin of t he

mac ine

Dimen ion in mi imet res

Fig re 6 — Saw fla ge d tai

5.3.4 Brak in

An aut omat ic brake s al b prov ided for t ool spin les w here the u -braked ru -down time is more t han 10 s

The braked ru -dow n time s al b les than 10 s, or w here t he ru -up t ime ex ce d 10 s the braked ru

-down t ime s al b les t han t he ru -up t ime but in no case ex ce d 3 s

Verificatio : F r t he det erminat ion of t he ru -up time, braked an u -braked ru -dow n t ime se t he

a pro riate t est giv en in 5.3.4.3

5.3.4.2 Con it ion for al t ests

a) The spin le u it s al b set in ac ordan e w ith t he man fact urer’s in t ru tion (e.g b lt en ion);

b) w hen select in t he sp ed an t he t ools, con it ion s al b c osen whic cre t e t he gre t est kinet ic

energ for whic t he mac ine is desig ed;

c) b fore b gin in the test t he spin le u it s al b ru nin for at le st 15 min at idle sp ed;

d) v erify that t he act ual spin le sp ed is w it hin 10 % of t he int en ed sp ed;

e) w hen test in a u it prov ided with man al st ar delt a st art in , the mot or man fact urer’s in t ru t ion for

st art in s al b o serv ed;

f) sp ed me s rin eq ipment s al hav e an ac urac of at le st ± 1 % of ful s ale;

g) t ime me s rin eq ipment s al hav e an ac urac of at le st ± 0,1 s

5.3.4.3 Te ts

5.3.4.3.1 Un-brak ed ru - down t ime

The u -braked ru -dow n t ime s al b me s red as folows:

a) st art t he spin le driv e mot or an ru at t he inten ed sp ed (no lo d) for 1 min;

b) c t p w er t o the spin le driv e mot or an me s re t he u -braked ru -dow n time;

c) re e t ste s a) an b) twice more

The u -braked ru -dow n t ime is t he average of t he thr ee me s rement s t aken

5.3.4.3.2 Bra e ru down t ime

The braked ru -down time s al b me s red as folows:

a) st art t he spin le driv e mot or an ru at t he inten ed sp ed (no lo d) for 1 min;

b) c t p w er t o the spin le driv e mot or an me s re t he braked ru -down t ime;

c) alow the spin le t o remain st at ionary for (

5,7P

)2

min, (where P is the mot or p w er (rat ed input ) in kW)

The re-st art int er v al s al not b les t han 1 min;

d) re-st art t he spin le drive mot or an ru at no-lo d for (

5,7P

)2

min The idle ru nin time s al not b les

t han 1 min;

e) re e t ste s b) to d) tw ice more

The braked ru -down time is t he av erage of t he 3 me s rement s t aken

5.3.4.3.3 Run-up time

The ru -up t ime s al b me s red as folows:

a) st art t he to l spin le dr ive mot or an me s re t he ru -up t ime (se 3.3.8);

b) c t p w er t o the to l spin le driv e mot or an alow t he spin le t o come t o a complet e st op;

c) re e t ste s a) an b) twice more

The ru -up t ime is t he av erage of t he t hre me s rement s t aken

5.3.4.3.4 Bra e rele s

Where a cont rol is prov ided t o rele se t he spin le brak e t o ena le rotat ion by han an adju t ment of t he t ool,

rele se of t he brake s al only b p s ible w hen t he spin le has st op ed turnin e.g by t ime delay b tween

cont rol act uation an brake rele se (also se 5.2.7)

When t he spin le mot or is re-st art ed aft er brake rele se t he brakin ca a i ty s al b re-av aia le

Verificatio : By c ec in the relevant draw in s, an / or circ it diagrams, in p ct ion an relevant fu ctional

t est in on t he mac ine

5.3.5 De ic s to minimis the p s ibi ty or th efe t of eje tion

When fit t ed wit h a glas b ad saw u it se Fig re 4), t he mac ine s al b eq ip ed w it h:

a) a rivin k ife or b ad led e se arat or;

b) a dev ice t o g ide the b ad led e, for ex ample a g idin c an el (se Fig re 7);

c) a dev ice t o avoid or minimise t he ris of kic k-b c k of the b ad led e, for ex ample an ant i-kic kb c k fin er

in font or b hin t he saw-blade (se Fig re 7)

Verificatio : By c ec in the relev ant dr awin s, in p ct ion an relevant fu ctional t est in on t he mac ine

Fig re 7 — Ex ample of a t i- k ick ba k fin er a d g idin c a n l

When a rivin k ife is fit t ed it s al me t t he folowin r eq irement s:

a) t he riv in k ife s al b man fact ured fom st eel wit h a minimum t en ie st ren th of 5 0 N mm

-2

, or of a

comp ra le mat erial, hav e flat sides (wit hin 0,1 mm in 10 mm) an s al hav e a t hic nes b t ween the

w idth of t he saw-blade an t he w idth of t he c t se Fig re 8)

Verificatio n: By c ec in the relev ant dr awin s, me s remen in p ct ion !deleted te t";

!NOT E For t he ult imat e t ensie st re gt h a c onfirmatio from t he ma ufa turer of t he mat erial c an b useful."

K ey

e R ivin k ife t hic nes

B Widt h of c t

b Widt h of saw-blade

Fig re 8 —Thick ne s of riving k nife in rela on to s w- bla e dime sion

b) t he rivin k ife s al b desig ed so t hat when it is mou t ed an adju t ed, an it s closest p int o t he

saw-blade is 3 mm fom t he saw-blade, t hen at no p int s al t he ga b tween t he saw-blade an t he rivin

k ife ex e d 8 mm, me s red radialy t hrou h t he cent re of t he saw spin le (se Fig re 9)

Verificatio n: By c ec in the relev ant dr awin s, in p ct ion an me s remen