Indlela yokukhetha iBhodi yeSamente yeFiber eLungileyo yokuSika iSaw Blade

Ibhodi yesamente yeFiber (FCB) iye yaba yeyona nto iphambili kulwakhiwo ngenxa yamandla ayo aphezulu, ukumelana nomlilo, ukumelana nokufuma, kunye nokuqina. Nangona kunjalo, ukubunjwa kwayo okuyingqayizivele-ukudibanisa i-samente ye-Portland, iifayili zokhuni, isanti ye-silica, kunye ne-additives-ibeka imingeni ebalulekileyo ngexesha lokusika: i-brittleness ephezulu (i-prone to edge chipping), umxholo we-silica ophezulu (ukuvelisa uthuli lwe-silica ephefumulayo, ingozi yempilo elawulwa yi-OSHA 1926.1153), kunye neempawu eziphazamisayo (ukunciphisa i-saw black). Kubavelisi, iikontraka, kunye nabenzi bobuchule bokubumba, ukukhetha iblade yesarha echanekileyo ayikokuqinisekisa nje ukusika ukusebenza kakuhle kunye nomgangatho; ikwamalunga nokuthobela imigangatho yokhuseleko, ukukhusela impilo yabasebenzi, nokuphepha ukonakala kwezixhobo.

Eli nqaku liphula ngokucwangcisiweyo inkqubo yokukhetha ngokuhlalutya izinto ezisikiweyo (i-FCB), ukucaciswa kwe-blade, izixhobo ezihambelanayo, iimeko zokuvelisa, kunye neemeko zesicelo-zonke zihambelana neemfuno zemigangatho ye-silica ye-crystalline ephefumulayo ye-OSHA kunye neyona ndlela yoshishino.

2. Uhlalutyo lweNdawo yokuSika: Iimpawu zeBhodi yeFiber Cement (FCB).

Isinyathelo sokuqala ekukhetheni i-saw blade kukuqonda iimpawu zezinto eziphathekayo, njengoko zichaza ngokuthe ngqo ukusebenza okufunekayo kwe-saw blade.

2.1 Ukuqulunqwa okungundoqo kunye nemingeni yokusika

Iibhodi ze-fiber ze-samente ngokuqhelekileyo ziquka i-40-60% ye-samente yasePortland (enika amandla), i-10-20% yemicu yokhuni (ukuqinisa ukuqina), i-20-30% yesanti ye-silica (ukuphucula ubuninzi), kunye neemali ezincinci zezongezo (ukunciphisa ukukrazula). Olu qulunqo ludala imingeni emithathu engundoqo yokusika:

• Isizukulwana sothuli lwesilika: Isanti ye-silica kwi-FCB ikhupha uthuli lwe-silica yekristale ephefumlayo ngexesha lokusika. I-OSHA 1926.1153 igunyazisa ulawulo olungqongqo lothuli (umzekelo, ukukhupha umoya wendawo / iinkqubo ze-LEV), ngoko i-saw blade kufuneka ihambelane nezixhobo zokuqokelela uthuli ukunciphisa ukuphunyuka kothuli.
• Ubuqhophololo kunye nokuqhekeka komphetho: I-matrix yesamente-isanti i-brittle, ngelixa imicu yomthi yongeza ukuguquguquka okuncinci. Amandla okusika alinganayo okanye uyilo lwezinyo olungafanelekanga lubangela ngokulula ukuqhekeka komphetho, okuchaphazela ukufakwa kwebhodi kunye nomgangatho wobuhle.
• Ukuqhawuka: Isanti ye-silica isebenza njenge-abrasive, i-accurated saw blade wear. I-matrix ye-saw blade kunye nezinto zamazinyo kufuneka zibe nokumelana nokunxiba okuphezulu ukuqinisekisa ubomi obude benkonzo.

2.2 IiPropati zeMpahla ezichaphazela ukuKhethwa kweBlade yeSarha

• Ukuxinana: Uxinzelelo lweFCB lusukela kwi-1.2 ukuya kwi-1.8 g/cm³. Iibhodi ezinoxinano oluphezulu (umzekelo, iipaneli zodonga lwangaphandle) zifuna iincakuba zesarha ezinemathiriyeli yamazinyo aqinileyo (umzekelo, idayimani okanye itungsten carbide) ukunqanda ukubuthuntu ngokukhawuleza.
• Ukutyeba: Ubungqingqwa obuqhelekileyo beFCB yi-4mm (izahlulo zangaphakathi), 6-12mm (isigqubuthelo sangaphandle), kunye ne-15-25mm (iipaneli zesakhiwo). Iibhodi ezishinyeneyo zifuna ii-saw blades ezinomthamo owaneleyo wokusika ubunzulu kunye neematriki eziqinileyo ukunqanda ukujikwa kweblade ngexesha lokusikwa.
• Ukugqitywa komphezulu: I-Smooth-surface FCB (yemisebenzi yokuhombisa) ifuna iincakuba ezisarha ezinamazinyo acolekileyo kunye neengubo ezinqanda ukukhuhlana ukuze kuthintelwe imikrwelo yomphezulu, ngelixa i-FCB erhabaxa (yokusetyenziswa kolwakhiwo) ivumela uyilo lwamazinyo olurhabaxa ngakumbi ukuphucula ukusebenza kakuhle.

3. Iimpawu zeSaw Blade: IiParameters eziphambili zeFiber Cement Board Cutting

Ngokusekwe kwiimpawu ze-FCB kunye nemigangatho ye-OSHA (umzekelo, imida yedayamitha yeblade yolawulo lothuli), ezi parameters zeblade yesarha zilandelayo azixoxiswana ukuze kusebenze ngokupheleleyo kunye nokuthotyelwa.

3.1 I-Blade Diameter: Ukuthotyelwa okungqongqo kunye ne-≤8 intshi

Kuzo zombini i-OSHA 1926.1153 iTheyibhile 1 kunye namaxwebhu ezixhobo zokusebenza ezifanelekileyo,iisarha zamandla eziphathwa ngesandla zokusika iFCB kufuneka zisebenzise iincakuba ezinobubanzi obuyi-intshi ezisi-8 okanye ngaphantsi. Lo mqathango awunyanzelekanga:

• Ukuhambelana kokuqokelela uthuli: Ukusika kwe-FCB kuxhomekeke kwiinkqubo ze-lecal exhaust ventilation (LEV). Iiblayidi ezinkulu kune-intshi ezisi-8 zingadlula umthamo wokuhamba komoya wenkqubo ye-LEV (i-OSHA mandates ≥25 cubic feet ngomzuzu [CFM] yokuhamba komoya nge-intshi nganye yeblade diameter). I-10-intshi yeblade, umzekelo, ingafuna ≥250 CFM-kude ngaphaya kwesaha eqhelekileyo ye-LEV umthamo wesaha-ekhokelela ekukhutshweni kothuli olungalawulwayo.
• Ukhuseleko lokusebenza: Amacwecwe amancinci amancinci (ama-4-8 intshi) anciphisa inertia ejikelezayo ye-saw, okwenza kube lula ukulawula ngexesha lokusebenza ngesandla, ngokukodwa ukusika okuthe nkqo (umz., iipaneli zodonga lwangaphandle) okanye ukusika okuchanekileyo (umzekelo, ukuvuleka kweefestile). Iincakuba ezinkulu zonyusa umngcipheko wokuphambuka kweblade okanye ukukhatywa kwawo, nto leyo ebeka iingozi zokhuseleko.

Ukhetho lwedayamitha eqhelekileyo yokusikwa kweFCB: i-intshi ezi-4 (iisarha ezincinci eziphathwa ngesandla ukwenzela ukusikwa okumxinwa), i-intshi ezi-6 (injongo jikelele yokusika iFCB), kunye ne-intshi ezi-8 (iiphaneli zeFCB ezishinyeneyo, ukuya kutsho kwi-25mm).

3.2 Isixhobo se-Blade Matrix: Ukulinganisa Ubulukhuni kunye nokuchasana nobushushu

I-matrix (“umzimba” wencakuba yesarha) kufuneka imelane nokugqabhuka kweFCB kunye nobushushu obuveliswa ngexesha lokusikwa. Izinto ezimbini eziphambili zisetyenziswa:

• Intsimbi eqinile (HSS): Ifanelekile ukusika umthamo ophantsi (umzekelo, i-touch-ups yokwakha kwisayithi). Inika ukuqina okuhle kodwa ukumelana nobushushu obulinganiselweyo-ukusika ixesha elide kunokubangela i-matrix warping, ekhokelela ekusikeni okungalinganiyo. Iimatriki ze-HSS ziyonga imali kodwa zifuna utshintsho rhoqo lweblade kwimveliso yomthamo ophezulu.
• Intsimbi yeCarbide-tipped: Ilungele ukusika umthamo ophezulu (umz., ukwenziwa kwangaphambili kwefektri yeephaneli zeFCB). Ingubo ye-carbide iphakamisa ukuxhathisa ukunxiba, ngelixa i-core core igcina ukuqina. Iyakwazi ukumelana nokusika okuqhubekayo kweepaneli ze-500+ ze-FCB (ubukhulu be-6mm) ngaphandle kokulwa, ukulungelelanisa neemfuno zokuvelisa ukusebenza kakuhle.

3.3 Uyilo lwamazinyo: Ukuthintela ukuChip kunye nokunciphisa uthuli

Uyilo lwamazinyo luchaphazela ngokuthe ngqo umgangatho wokusika (ukuguda komphetho) kunye nokuveliswa kothuli. Kwi-FCB, ezi mpawu zezinyo zilandelayo zibalulekile:

• Inani lamazinyo: 24-48 amazinyo ngencakuba nganye. Amazinyo asezantsi (amazinyo angama-24-32) ngoweFCB engqingqwa (15-25mm) okanye ukusika ngokukhawuleza—amazinyo ambalwa anciphisa ukukhuhlana nobushushu kodwa anokubangela ukuqhekeka okuncinane. Inani lamazinyo aphezulu (amazinyo angama-36-48) lele-FCB ecekethekileyo (4-12mm) okanye iipaneli ezigudileyo-amazinyo amaninzi asasaza amandla okusika ngokulinganayo, enciphisa ukutshiphuza.
• Ukumila kwezinyo: Enye i-bevel ephezulu (ATB) okanye i-triple-chip grind (TCG). Amazinyo e-ATB (aneencopho ezineengile) alungele ukusikwa okugudileyo kwimathiriyeli enqabileyo efana ne-FCB, njengoko ecanda kwimatrix yesamente ngaphandle kokutyumza imiphetho. Amazinyo e-TCG (indibaniselwano yeencam ezisicaba kunye nebeveled) anika ukuqina okongeziweyo kwi-FCB erhabaxa, ewenza alungele ukusika umthamo ophezulu.
• Izithuba zamazinyo: Isithuba esibanzi (≥1.5mm) sinconywa ukukhusela ukuvala uthuli. Ukusika kweFCB kuvelisa uthuli olucolekileyo; Isithuba esincinci samazinyo sinokubamba uthuli phakathi kwamazinyo, ukwandisa ukukhuhlane kunye nokunciphisa isantya sokusika. Isithuba esibanzi sivumela uthuli ukuba lubaleke ngokukhululekileyo, lulungelelaniswa nenkqubo ye-LEV yokuqokelela uthuli.

3.4 Ukwaleka: Ukuphucula ukusebenza kunye noBomi bokuphila

Iingubo ezichasene ne-anti-friction zinciphisa ukwakhiwa kobushushu kunye nokunamathela kothuli, ukwandisa ubomi be-blade kunye nokuphucula ukusika ukuguda. Iingubo eziqhelekileyo zeesarha ze-FCB:

• I-Titanium nitride (TiN): I-Gold-colored coating enciphisa ukukhuhlana nge-30-40% xa kuthelekiswa neencakuba ezingafakwanga. Ifanelekile ukusika i-FCB ngokubanzi, ikhusela uthuli ekunamatheleni kwi-blade, ukunciphisa ixesha lokucoca.
• Ikhabhoni efana nedayimane (DLC): I-Ultra-hard coating (ubunzima ≥80 HRC) echasene ne-abrasion evela kwisanti ye-silica. I-DLC-coated blades ingahlala amaxesha angama-2-3 ubude kune-TiN-coated blades, ezenza ukuba zibe neendleko ezisebenzayo kwimveliso ye-FCB ephezulu.

4. Ukuhambelana kweZixhobo: Ukulungelelanisa ii-Saw Blades kunye noomatshini bokusika

I-saw blade yomgangatho ophezulu ayikwazi ukwenza ngokufanelekileyo ngaphandle kwezixhobo zokusika ezihambelanayo. Ngokwezikhokelo ze-OSHA, ukusika kwe-FCB kuxhomekekeiisarha zamandla eziphathwayo ezineenkqubo ezidibeneyo zokulawula uthuli—indawo yokuphuma komoya (i-LEV) okanye iinkqubo zokuhanjiswa kwamanzi (nangona i-LEV ikhethwa kwi-FCB ukunqanda ukwakhiwa kodaka olumanzi).

4.1 Izixhobo eziziiprayimari: IiSaw zaMandla eziphathwa ngesandla ezineeNkqubo ze-LEV

I-OSHA igunyazisa ukuba isarha eziphathwa ngesandla zokusika iFCB kufuneka zixhotyiswe ngazoiinkqubo zokuqokelelwa kothuli ezithengiswayo(LEV) ezihlangabezana neenqobo eziphambili ezimbini:

• Umthamo wokuhamba komoya: ≥25 CFM nge-intshi nganye blade idayamitha (umzekelo, iblade 8-intshi ifuna ≥200 CFM). I-saw blade kufuneka ihambelane ne-airflow ye-LEV-usebenzisa i-6-inch blade ene-200 CFM inkqubo yamkelekile (ukuhamba komoya okugqithisileyo kuphucula ukuqokelelwa kothuli), kodwa i-9-intshi ye-intshi enenkqubo efanayo ayihambelani.
• Ukusebenza kakuhle kwesihluzi: ≥99% yothuli oluphefumlayo. Isihluzo senkqubo ye-LEV kufuneka sibambe uthuli lwe-silica ukunqanda ukuvezwa kwabasebenzi; iibhleyidi zesarha kufuneka ziyilwe ukuba ziqondise uthuli ngakwisigqubuthelo senkqubo (umzekelo, i-matrix yecave blade efaka uthuli kwizibuko lokuqokelela).

Xa uthelekisa iisarha zeesarha kwiisarha eziphathwa ngesandla, jonga oku kulandelayo:

• Ubungakanani bomthi: Umngxuma ophakathi wesarha (i-arbor) kufuneka ihambelane nedayamitha yokusonta yesarha (ubungakanani obuqhelekileyo: 5/8 intshi okanye 1 intshi). I-arbor engahambelaniyo ibangela ukugoba kwe-blade, okukhokelela ekusikeni okungalinganiyo kunye nokwanda kothuli.
• Ukuhambelana kwesantya: I-Saw blades inesantya esiphezulu esikhuselekileyo sokujikeleza (RPM). Iisarha eziphathwa ngesandla zeFCB zidla ngokusebenza kwi-3,000-6,000 RPM; iibhleyidi mazireyithwe ubuncinane ngesarha eyona RPM (umzekelo, iblade elinganiselwe i-8,000 RPM ikhuselekile kwi-6,000 RPM isarha).

4.2 Izixhobo zeSekondari: IiNkqubo zokuNikezelwa kwaManzi (kwiimeko eziZodwa)

Ngelixa i-LEV ikhethwa ukusika i-FCB, iinkqubo zokuhanjiswa kwamanzi (ezidityaniswe kwiisarha eziphathwa ngesandla) zingasetyenziselwa ngaphandle, ukusika umthamo ophezulu (umzekelo, ukufakela ipaneli yodonga lwangaphandle). Xa usebenzisa iinkqubo zamanzi:

• Saw blade imathiriyeli: Khetha iimatriki ezikwaziyo ukumelana nokutyiwa (umzekelo, intsimbi engatyiwa intsimbi ecoated carbide) ukunqanda umhlwa ekuveleni kwamanzi.
• Ukwaleka kwamazinyo: Gwema iingubo ezinyibilikayo zamanzi; I-TiN okanye i-DLC yokugquma ayinamanzi kwaye igcina ukusebenza.
• Ulawulo oluludaka: I-blade yesarha kufuneka yenzelwe ukunciphisa i-slurry splatter (umzekelo, i-edge ejikelezayo eqhekeza uthuli olumanzi), njengoko i-slurry inokubambelela kwi-blade kunye nokunciphisa ukusebenza kakuhle kokusika.

4.3 Ugcino lweZixhobo: Ukukhusela ii-Saw Blades kunye nokuThobela

Ukugcinwa rhoqo kwezixhobo kuqinisekisa ukusebenza kwe-saw blade kunye nokuthotyelwa kwe-OSHA:

• Ukuhlolwa kwe-Shroud: Qwalasela isigqubuthelo senkqubo ye-LEV (icandelo elirhangqa iblade) ukukhangela iintanda okanye ukulungelelaniswa kakuhle. Isigqubuthelo esonakeleyo sivumela uthuli ukuba lubaleke, nokuba nesarha ekumgangatho ophezulu.
• Ingqibelelo yeHose: Hlola i-hoses yenkqubo ye-LEV ye-kinks okanye ukuvuza-i-airline ethintelweyo iyancipha ukuqokelelwa kothuli kwaye igxininise i-saw blade (i-friction eyongeziweyo kuthuli olubanjwe).
• Uxinzelelo lweBlade: Qinisekisa ukuba iblade yesarha iqiniswe ngokufanelekileyo kwi-spindle. Iblade ekhululekileyo iyangcangcazela, ibangela ukuqhekeka kunye nokunxiba kwangaphambi kwexesha.

5. Uhlalutyo lweMeko yeMveliso: Ukulungelelanisa ii-Saw Blades kwiiMfuno zeMveliso

Iimeko zokuvelisa-kuquka umthamo, iimfuno ezichanekileyo, kunye nemigangatho yokuthotyelwa-imisela ibhalansi "yexabiso-ukusebenza" yokukhethwa kwe-saw blade.

5.1 Umthamo woMveliso: I-Low-Volume vs. High-Volume

• Ukuveliswa komthamo ophantsi (umzekelo, ukusika ukwakhiwa kwendawo): Beka phambili ukusebenza kakuhle kweendleko kunye nokuphatheka. Khetha i-HSS okanye i-TiN-coated carbide blades (i-intshi ezi-4-6 ububanzi) ukwenzela ukusikwa ngamanye amaxesha. Ezi blades ziyafikeleleka kwaye kulula ukuzitshintsha, kwaye idiameter yazo encinci ilingana neesarha eziphathwa ngesandla ukuze zikwazi ukusebenza kwisiza.
• Ukuveliswa kwevolyum ephezulu (umz., ukwenziwa kwangaphambili kwefektri yeFCB panels): Beka phambili ukuqina nokusebenza kakuhle. Khetha i-DLC-coated carbide blades (6-8 intshi ububanzi) kunye noyilo lwezinyo lweTCG. Ezi blades ziyakwazi ukumelana nokusika okuqhubekayo, ukunciphisa ixesha lokunciphisa utshintsho lwe-blade. Ukongeza, zidibanise neenkqubo eziphezulu ze-LEV (≥200 CFM ye-8-intshi iiblades) ukugcina ukuthotyelwa kunye nemveliso.

5.2 Ukusika iiMfuno eziChanekileyo: Isakhiwo kunye nokuhombisa

• Ulwakhiwo lweFCB (umzekelo, iiphaneli zomthwalo): Iimfuno zokuchaneka zimodareyitha (± 1mm ​​cut tolerance). Khetha i-24-32 amazinyo amazinyo ane-ATB okanye i-TCG yoyilo-amazinyo ambalwa aphucula isantya, kwaye ukumila kwezinyo kunciphisa ukukrazula ngokwaneleyo ukufakwa kwesakhiwo.
• I-Decorative FCB (umzekelo, iiphaneli zodonga zangaphakathi ezinencam ezibonakalayo): Iimfuno ezichanekileyo zingqongqo (± 0.5mm cut tolerance). Khetha amazinyo angama-36-48 ngoyilo lwe-ATB kunye neengubo ze-DLC. Amazinyo amaninzi aqinisekisa imiphetho egudileyo, kwaye ukugquma kuthintela imikrwelo, ukuhlangabezana nemigangatho yobuhle.

5.3 IiMfuno zokuThobela: i-OSHA kunye neMimiselo yeNgingqi

I-OSHA 1926.1153 ngowona mgangatho uphambili wokusika i-FCB, kodwa imimiselo yendawo inokumisela iimfuno ezongezelelweyo (umzekelo, imida engqongqo yokukhupha uthuli kwimimandla yasezidolophini). Xa ukhetha ii-saw blades:

• Ukulawula uthuli: Qinisekisa ukuba iiblade ziyahambelana neenkqubo ze-LEV (umzekelo, ububanzi ≤8 intshi, i-matrix yothuli-funneling) ukuhlangabezana nomda wokuvezwa kwe-silica ephefumlayo ye-OSHA (50 μg/m³ ngaphezulu kweshifti yeyure ezi-8).
• Ukuleyibhile ngokhuseleko: Khetha iiblade ezineeleyibhile ezicacileyo zokhuseleko (umzekelo, ubukhulu be-RPM, ububanzi, ukuhambelana kwezinto) ukuthobela iimfuno ze-OSHA zokulebula izixhobo.
• Ukhuseleko lwabasebenzi: Ngelixa ii-saw blades zingaboneleli ngokuthe ngqo ukhuseleko lokuphefumla, ukukwazi kwabo ukunciphisa uthuli (ngoyilo olululo) kuzalisekisa imfuno ye-OSHA yee-APF 10 zokuphefumla kwiindawo ezivaliweyo (nangona ukusika kweFCB ngokuqhelekileyo kungaphandle, ngokweendlela ezilungileyo).

6. Iimeko zeSicelo: Ukulungelelanisa ii-Saw Blades kwiiMeko zeSiza

Iimeko zokusika i-FCB ziyahluka ngokusingqongileyo (ngaphandle vs. ngaphakathi), uhlobo lokusika (the ngqo vs. olugobileyo), kunye neemeko zemozulu-zonke ezichaphazela ukhetho lwe-blade.

6.1 Ukusikela Ngaphandle (Imeko esisiseko yeFCB)

Ngokweendlela ezilungileyo ze-OSHA, ukusika kweFCB kuekhethwayo ngaphandleukunciphisa ukuqokelela uthuli (ukusika ngaphakathi kwindlu kufuna iinkqubo ezongezelelweyo zokukhupha). Iimeko zangaphandle ziquka:

• Ufakelo lwepaneli yodonga lwangaphandle: Ifuna ukusika ngokuthe nkqo kunye nokuchaneka (ukulungelelanisa iifestile / ukuvuleka kweengcango). Khetha i-6-intshi ye-ATB yezinyo (amazinyo angama-36) kunye neengubo ze-TiN-eziphathwayo ukuze zisetyenziswe kwindawo, kwaye i-coating ixhathisa ukufuma kwangaphandle.
• Ukusikwa kophahla lwangaphantsi: Ifuna ngokukhawuleza, ukusikwa ngokuthe ngqo kwi-FCB ebhityileyo (4-6mm). Khetha i-4-intshi ye-TCG yamazinyo (amazinyo angama-24)-idayamitha encinci ukuze ufikelele lula kuphahla, kwaye amazinyo e-TCG abamba i-FCB ene-abrasive roofing (umxholo we-silica ophezulu).
• Iingqwalasela zemozulu: Kwiimeko zangaphandle ezifumileyo okanye ezinemvula, sebenzisa iincakuba ezikwaziyo ukugilana (umzekelo, iimatriki zentsimbi engatyiwayo). Kwiimeko zomoya ovuthuzayo, khetha iiblade ezinoyilo lwamazinyo olulungelelanisiweyo ukunciphisa ukungcangcazela (umoya unokukhulisa ukushukuma kweblade).

6.2 Ukusika ngaphakathi (Iimeko eziKhethekileyo)

Indoor FCB ukusika (umzekelo, ulwahlulo lwangaphakathi ufakelo kwizakhiwo ezivaliweyo) kuvunyelwe kuphela ngeulawulo lothuli oluphuculweyo:

• Ukukhetha i-blade yabona: Sebenzisa i-4-6 intshi intshi (ububanzi obuncinci = isizukulwana esincinci sothuli) kunye neengubo ze-DLC (ukunciphisa ukunamathela kothuli). Gwema i-8-intshi iiblades ngaphakathi-zivelisa uthuli oluninzi, kunye neenkqubo ze-LEV.
• Ukukhupha okuncedisayo: Dibanisa iblade yesarha kunye neefeni eziphathwayo (umzekelo, iifeni ze-axial) ukongeza kwiinkqubo ze-LEV, ezisa uthuli kwiintunja zokuphuma. I-blade ye-matrix yokufaka uthuli kufuneka ihambelane necala lokuhamba komoya lefeni.

6.3 Sika Uhlobo: Ngokuthe ngqo vs

• Ukusika ngokuthe ngqo (elona lixhaphakileyo): Sebenzisa amagqabi erediyasi apheleleyo (iincakuba zeesarha eziqhelekileyo ezikwisetyhula) ezinamazinyo e-ATB okanye e-TCG. Ezi blades zibonelela ngokuzinzileyo, ukusikwa ngokuthe tye kwiipaneli, ii-studs, okanye ukunquma.
• Amanxeba agobileyo (umzekelo, iiarchways): Sebenzisa amagqabi obubanzi obumxinwa (≤0.08 intshi ubukhulu) anamazinyo amahle (amazinyo angama-48). Iincakuba ezibhityileyo zibhetyebhetye ngakumbi kumanxeba agobileyo, kwaye amazinyo acolekileyo athintela ukuqhawuka kungqameko olugobileyo. Ziphephe iincakuba ezingqindilili-ziqinile kwaye zivame ukuqhekeka ngexesha lokusika eligobileyo.

7. Isiphelo: Isakhelo esiCwangcisiweyo sokuKhetha i-Saw Blade

Ukukhetha i-fiber ye-samente efanelekileyo yebhodi yokusika i-saw blade idinga indlela epheleleyo edibanisa iimpawu zezinto eziphathekayo, i-parameters ye-saw blade, ukuhambelana kwezixhobo, iimeko zokuvelisa, kunye neemeko zokusetyenziswa-konke ngelixa uhambelana nemigangatho yokhuseleko ye-OSHA. Ukushwankathela isakhelo sokhetho:

1. Qala ngombandela: Hlalutya ubuninzi beFCB, ubukhulu, kunye nomxholo wesilica ukuchaza iimfuno ezingundoqo zeblade yesarha (umzekelo, ukunxitywa kweebhodi ezinoxinano oluphezulu, ukulawula uthuli kwiibhodi zesilica eziphezulu).
2. Tshixa iiparamitha zesarha yesitshixo: Qinisekisa i-diameter ≤8 intshi (ukuthotyelwa kwe-OSHA), khetha i-matrix / izinyo / i-coating esekelwe kumthamo wokuvelisa (i-DLC ye-volume ephezulu) kunye nokuchaneka (ukubalwa kwezinyo eziphezulu zokunqunyulwa kokuhlobisa).
3. Tshatisa izixhobo: Qinisekisa ubungakanani be-arbor, ukuhambelana kwe-RPM, kunye ne-LEV system airflow (≥25 CFM / intshi) ukuqinisekisa ukusebenza kakuhle kunye nokulawula uthuli.
4. Ukulungelelanisa neemeko zemveliso: Iindleko zokulinganisela kunye nokuqina (ivolumu ephantsi: i-HSS; ivolumu ephezulu: i-DLC) kwaye ihlangabezane neemfuno ezichanekileyo / zokuthotyelwa.
5. Ziqhelanise neemeko: Beka phambili iincakuba ezilungele ngaphandle (zimelana nomhlwa) kumsebenzi okwisiza, kwaye usebenzise iincakuba ezimxinwa, ezibhetyebhetye ukwenzela ukusikwa okugobileyo.

Ngokulandela esi sikhokelo, abavelisi, iikontraki, kunye nabaqulunqi banokukhetha ama-saw blades anganikezeli kuphela ukusika okusebenzayo, okusemgangathweni ophezulu we-FCB kodwa nokuqinisekisa ukuthotyelwa kwemigangatho ye-OSHA kunye nokukhusela abasebenzi kwi-silica yokuvezwa kothuli-ekugqibeleni ukufikelela kwibhalansi yokusebenza, ukhuseleko, kunye nokuphumelela kweendleko.