Uburyo bwo Guhitamo Icyuma Gikwiye Gikata Fibre Sima

Ikibaho cya sima cya fibre (FCB) cyabaye igikoresho cy'ingenzi mu bwubatsi bitewe n'imbaraga zacyo nyinshi, ubushobozi bwo kurwanya umuriro, ubushobozi bwo kurwanya ubushuhe, no kuramba. Ariko, imiterere yacyo yihariye—kuvanga sima ya Portland, insinga z'ibiti, umucanga wa silica, n'ibindi bikoresho—bitera imbogamizi zikomeye mu gihe cyo gukata: kuba cyoroshye cyane (gishobora gucikamo ibice), kuba gifite silica nyinshi (gitanga umukungugu wa silica uhumeka, ingaruka ku buzima zigenzurwa na OSHA 1926.1153), n'ubushobozi bwo gukurura (kwihutisha kwangirika kw'insinga z'insinga). Ku bakora, ba rwiyemezamirimo, n'abakora, guhitamo icyuma gikwiye cy'insinga si ukureba gusa imikorere myiza n'ubwiza bw'insinga; ahubwo ni no kubahiriza amahame y'umutekano, kurinda ubuzima bw'abakozi, no kwirinda kwangirika kw'ibikoresho.

Iyi ngingo isesengura uburyo bwo guhitamo hakoreshejwe uburyo bwo gusesengura ibikoresho byaciwe (FCB), uburyo ibipimo by'icyuma gikozwemo, ibikoresho bihuye, imiterere y'umusaruro, n'uburyo ikoreshwa—byose bihuye n'ibisabwa n'amahame ya OSHA akoreshwa mu gukaraba silika hamwe n'uburyo bwiza bwo gukora mu nganda.

2. Isesengura ry'ibikoresho byaciwe: Ibiranga Fiber Cement Board (FCB)

Intambwe ya mbere mu guhitamo icyuma gikozwe mu icupa ni ugusobanukirwa imiterere y'igikoresho, kuko ari cyo kigena mu buryo butaziguye imikorere isabwa y'icyuma gikozwe mu icupa.

2.1 Imbogamizi zo Gutunganya no Gukata Ibigize Urufatiro

Imbaho ​​za sima za fibre ubusanzwe zigizwe na sima ya Portland ingana na 40-60% (itanga imbaraga), insinga z'ibiti zingana na 10-20% (zongerera imbaraga), umucanga wa silica ungana na 20-30% (wongera ubucucike), n'inyongera nke (zigabanya guturika). Iyi miterere itera imbogamizi eshatu z'ingenzi zo gutema:

• Gukora ivumbi rya silica: Umucanga wa silica muri FCB urekura umukungugu wa silica uhumeka mu gihe cyo gukata. OSHA 1926.1153 itegeka kugenzura ivumbi cyane (urugero, uburyo bwo guhumeka imyuka iva mu kirere/LEV systems), bityo icyuma cy'umucanga kigomba kuba gihuye n'ibikoresho byo gukusanya ivumbi kugira ngo bigabanye ivumbi risohoka.
• Ubukonje n'ubukonje bw'inkombe: Ishusho ya sima n'umucanga iracikagurika, mu gihe insinga z'ibiti zongerera ubushobozi bwo koroshya ibintu. Imbaraga zo gukata zitangana cyangwa imiterere idahwitse y'amenyo y'inkeri bituma impande zicika, bigira ingaruka ku ishyirwaho ry'ikibaho n'ubwiza bwacyo.
• Ubusatsi: Umusenyi wa silica ukora nk'icyuma gitera ubushyuhe kandi cyihutisha kwangirika kw'icyuma. Ishinya ry'icyuma n'amenyo bigomba kuba bidashobora kwangirika cyane kugira ngo birambe igihe kirekire.

2.2 Imiterere Ifatika Igira ingaruka ku Guhitamo Umwanya w'Inkero

• Ubucucike: Ubucucike bwa FCB buri hagati ya 1.2 na 1.8 g / cm³. Imbaho ​​zifite ubucucike bwinshi (urugero, inyuma y'urukuta) zikenera ibyuma by'inkero bifite ibikoresho bikomeye by'amenyo (urugero, diyama cyangwa tungsten carbide) kugira ngo hirindwe ko zihinduka vuba.
• Ubunini: Ubunini busanzwe bwa FCB ni 4mm (ibice by'imbere), 6-12mm (igipfundikizo cyo hanze), na 15-25mm (ibice by'imiterere). Ibibaho binini bisaba ibyuma by'inkero bifite ubushobozi bwo gukata buhagije n'ibice bikomeye kugira ngo imbogamizi zitemba mu gihe cyo gukata.
• Kurangiza ubuso: FCB yo ku buso butoshye (yo gukoresha mu mitako) isaba ibyuma by'inkero bifite amenyo mato n'ibitambaro birwanya gushwanyagurika kugira ngo hirindwe gushwanyagurika ku buso, mu gihe FCB yo ku buso buto (yo gukoresha mu miterere) ituma amenyo arushaho gukabya kugira ngo yongere imikorere myiza.

3. Ibisobanuro by'icyuma gikata: Ibipimo by'ingenzi byo gukata Fibre sima

Hashingiwe ku miterere ya FCB n'amahame ya OSHA (urugero, umurambararo w'icyuma ugarukira ku ivumbi), ibipimo bikurikira by'icyuma cy'umucanga ntibishobora kuganirwaho kugira ngo habeho imikorere myiza kandi byubahirizwa.

3.1 Umurambararo w'icyuma: Gukurikiza neza santimetero ≤8

Dukurikije OSHA 1926.1153 Imbonerahamwe ya 1 n'inyandiko z'imikorere myiza y'ibikoresho,Imashini zikoresha amashanyarazi zikoreshwa mu ntoki zo gukata FCB zigomba gukoresha ibyuma bifite umurambararo wa santimetero 20 cyangwa munsi yabyoIki gisabwa si ikintu gishingiye ku ihame:

• Guhuza ivumbi n'uburyo rihuzwa: Gukata FCB bishingiye ku buryo bwo guhumeka umwuka uva mu kirere (LEV). Utwuma turenga santimetero 10 twarenga ubushobozi bw'umwuka wa sisitemu ya LEV (OSHA isaba metero kibe 25 ku munota [CFM] z'umwuka uva kuri santimetero 10 kuri santimetero 10). Urugero, utwuma twa santimetero 250 twakenera ≥ CFM—urenze cyane ubushobozi bwa LEV busanzwe bw'umucanga ukoreshwa mu ntoki—bigatuma habaho imyuka ihumanya idashobora kugenzurwa.
• Umutekano mu mikorere: Ibyuma bito by'umurambararo (santimetero 4-8) bigabanya ubushyuhe bwo kuzunguruka kw'urusyo, bigatuma byoroha kubigenzura mu gihe cyo gukoresha mu ntoki, cyane cyane ku bipimo bihagaze (urugero: ibipande byo hanze by'inkuta) cyangwa ku bipimo by'ubuziranenge (urugero: amadirishya). Ibyuma binini byongera ibyago byo kuyobya cyangwa gucika intege, bigateza akaga mu mutekano.

Amahitamo asanzwe y'umurambararo wo gutema FCB: santimetero 4 (inkero nto zikoreshwa mu ntoki zo gutema buhoro), santimetero 6 (inkero rusange zo gutema FCB), na santimetero 8 (ibice bya FCB binini, kugeza kuri mm 25).

3.2 Ibikoresho bya Matrix y'Intambi: Kugereranya Uburimbane n'Ubushyuhe

Matrix ("umubiri" w'icyuma cy'umucanga) igomba kwihanganira kwangirika kwa FCB n'ubushyuhe buturuka mu gihe cyo gukata. Ibikoresho bibiri by'ingenzi bikoreshwa:

• Icyuma gikomeye (HSS): Bikwiriye gukata mu buryo buke (urugero, gukora ku buryo bworoshye mu bwubatsi). Bitanga ubukana bwiza ariko birwanya ubushyuhe buke—gukata mu buryo burambye bishobora gutera guhindagurika kwa matrix, bigatera gukata mu buryo butaringaniye. Matrix za HSS zirahendutse ariko zisaba guhindura icyuma kenshi kugira ngo gikoreshwe mu buryo bwinshi.
• Icyuma gifite impande za karubide: Ni byiza cyane mu gukata cyane (urugero, gushyiramo ibice bya FCB mu nganda). Igitambaro cya karubide cyongera ubushobozi bwo kwangirika, mu gihe igice cy'imbere cy'icyuma gikomeza gukomera. Gishobora kwihanganira gukata kenshi ibice 500+ bya FCB (ubugari bwa mm 6) bitagoramye, bihuye n'ibikenewe mu gukora neza.

3.3 Igishushanyo cy'amenyo: Kurinda gucika no kugabanya ivumbi

Imiterere y'amenyo igira ingaruka ku buryo butaziguye ku bwiza bwo gukata (uburyo bworoshye bw'inkombe) no ku ivumbi. Kuri FCB, ibi bikurikira ni ingenzi:

• Umubare w'amenyo: Amenyo 24-48 kuri buri shyo. Amenyo make (amenyo 24-32) ni ay’inkangu ya FCB (15-25mm) cyangwa ay’inkangu vuba—amenyo make agabanya gukururana no gushyuha ariko ashobora gutera gucikagurika gato. Amenyo menshi (amenyo 36-48) ni ay’inkangu ya FCB (4-12mm) cyangwa ay’ubuso bworoshye—amenyo menshi akwirakwiza imbaraga zo gukata neza, bigagabanya gucikagurika.
• Imiterere y'amenyo: Amenyo ya ATB (afite impande zigororotse) ni meza cyane mu gukata neza ibikoresho byoroshye nka FCB, kuko agabanya impande za sima adasenya impande. Amenyo ya TCG (avanze impande zirambuye n'izigufi) atuma FCB iramba cyane, bigatuma iba nziza mu gukata cyane.
• Intera hagati y'amenyo: Intera yagutse (≥1.5mm) irasabwa kugira ngo hirindwe kuziba kw'ivumbi. Gukata FCB bitanga ivumbi rito; intera ndende y'amenyo ishobora gufata ivumbi hagati y'amenyo, bikongera ukubiri no kugabanya umuvuduko wo gukata. Intera yagutse ituma ivumbi risohoka mu buryo bwihuse, bihuye n'ikusanyirizo ry'ivumbi rya sisitemu ya LEV.

3.4 Gusiga: Kongera imikorere n'igihe cyo kubaho

Imyambaro irinda gucikagurika igabanya ubushyuhe n'umukungugu, ikongera igihe cyo gukata no kunoza uburyo bwo gukata. Imyambaro isanzwe ikoreshwa ku nsinga za FCB:

• Titanium nitride (TiN): Irangi ry'ibara rya zahabu rigabanya gushwanyagurika ku kigero cya 30-40% ugereranije n'amasasu adapfutse. Rikwiriye gukatwa muri rusange na FCB, ririnda ivumbi gufata ku risansi, rigagabanya igihe cyo kuyisukura.
• Karuboni isa na diyama (DLC): Ipfundikizo rikomeye cyane (ubukomere ≥80 HRC) rirwanya gushwanyagurika kw'umucanga wa silica. Ipfundikizo rya DLC rishobora kumara igihe kirekire inshuro 2-3 ugereranyije n'ipfundikizo rya TiN, bigatuma rihendutse mu gukora FCB nyinshi.

4. Guhuza Ibikoresho: Guhuza Ibyuma by'Inkero n'Imashini Zikata

Urushinge rw'umukero rwiza ntirushobora gukora neza nta bikoresho byo gukata bihuye nabyo. Dukurikije amabwiriza ya OSHA, gukata kwa FCB bishingiye kuimisumeno y'amashanyarazi ikoreshwa mu ntoki ifite sisitemu zo kugenzura ivumbi zihujwe—haba uburyo bwo guhumeka umwuka uva mu kirere (LEV) cyangwa uburyo bwo gutanga amazi (nubwo LEV ari yo ikundwa na FCB kugira ngo hirindwe ko amazi agwa).

4.1 Ibikoresho by'ibanze: Imashini zikoresha ingufu zikoresha LEV Systems

OSHA itegeka ko imisumeno ikoreshwa mu ntoki yo gukata FCB igomba kuba ifite ibikoreshosisitemu zo gukusanya ivumbi ziboneka ku isoko(LEV) byujuje ibisabwa bibiri by'ingenzi:

• Ubushobozi bw'umwuka utembera: ≥25 CFM kuri santimetero imwe y'umurambararo w'icyuma (urugero, icyuma cya santimetero 8 gisaba ≥200 CFM). Umurambararo w'icyuma cy'umukero ugomba guhuza n'umuyoboro w'umwuka wa sisitemu ya LEV—gukoresha icyuma cya santimetero 6 gifite sisitemu ya 200 CFM birakwiye (umuyoboro w'umwuka urenze urugero wongera ivumbi), ariko icyuma cya santimetero 9 gifite sisitemu imwe nticyujuje ibisabwa.
• Uburyo bwo gushungura neza: ≥99% ku ivumbi rihumeka. Akayunguruzo ka sisitemu ya LEV kagomba gufata ivumbi rya silica kugira ngo hirindwe ko umukozi yahura naryo; ibyuma by'inkero bigomba kuba bigenewe kuyobora ivumbi ku gitambaro cya sisitemu (urugero, icyuma gifunganye gishyira ivumbi mu cyambu cyo gukusanya).

Mu gihe uhuza ibyuma by'inkero n'inkero zikoreshwa mu ntoki, reba ibi bikurikira:

• Ingano y'ibiti: Umwobo wo hagati w'icyuma cy'umukero (arbor) ugomba kuba uhuye n'umurambararo w'icyuma cy'umukero (ingano isanzwe: santimetero 5/8 cyangwa santimetero 1). Agace k'umukero kadahuye neza gatera icyuma kunyeganyega, bigatera gukata nabi no kwiyongera kw'umukungugu.
• Guhuza umuvuduko: Ibyuma by'inkero bifite umuvuduko ntarengwa wo kuzunguruka (RPM). Inkero zikoreshwa mu ntoki za FCB zisanzwe zikora kuri 3.000-6.000 RPM; ibyuma bigomba gupimwa nibura RPM ntarengwa y'inkero (urugero: icyuma gifite 8.000 RPM ni cyiza ku nkero 6.000 RPM).

4.2 Ibikoresho bya kabiri: Uburyo bwo gutanga amazi (ku bintu byihariye)

Nubwo LEV ari yo ikundwa mu gutema FCB, sisitemu zo kugeza amazi (zishyizwe mu nganda zifatanwa) zishobora gukoreshwa mu gutema hanze, mu buryo bworoshye (urugero, gushyiraho inyuma ku rukuta). Mu gihe ukoresha sisitemu zo gutanga amazi:

• Ibikoresho by'icyuma gikozwe mu icupa: Hitamo matrices zirwanya ingese (urugero: carbide ipfutse mu cyuma kidashonga) kugira ngo wirinde ingese zishobora guterwa n'amazi.
• Gusiga amenyo: Irinde irangi rishongesha amazi; irangi rya TiN cyangwa DLC ntirishobora gushonga amazi kandi rikomeza gukora neza.
• Kugenzura urujya n'uruza: Icyuma cy'urukero kigomba gukorwa kugira ngo kigabanye urukero rusadutse (urugero, urukero rufite utudomo rumenagura ivumbi ritose), kuko urukero rushobora gufata ku rw'urukero kandi rugagabanya ubushobozi bwo gukata.

4.3 Gusana Ibikoresho: Kurinda Inkoni z'Isuka no Kuyubahiriza

Gufata neza ibikoresho buri gihe bireba imikorere y'icyuma cy'umucanga ndetse no kubahiriza amategeko agenga imikorere ya OSHA:

• Igenzura ry'igitambaro: Reba igitambaro cya sisitemu ya LEV (igice gikikije icyuma) niba nta miterere cyangwa imiterere yacyo iteye nabi. Igitambaro cyangiritse gituma ivumbi risohoka, nubwo haba hari icyuma cyiza cyo gutekesha.
• Ubusugire bw'umuyoboro: Suzuma imiyoboro ya sisitemu ya LEV kugira ngo urebe niba hari aho ivumbi ryacitse cyangwa aho riva—umwuka utembera neza bigabanya ivumbi rikusanyirizwa kandi bikagabanya icyuma cy’umukero (kwiyongera kw’ivumbi rifatiwe).
• Umuvuduko w'icyuma: Menya neza ko icyuma cy'umusumeno gifashe neza ku musumeno. Icyuma gifunguye kiranyeganyega, bigatuma gicika kandi kigasaza imburagihe.

5. Isesengura ry'imiterere y'umusaruro: Gushushanya ibyuma by'inkero hakurikijwe ibyo umusaruro ukeneye

Imiterere y'umusaruro—harimo ingano, ibisabwa mu buryo bunonosoye, n'amahame ngenderwaho yo kubahiriza—bigena uburinganire bw'ikiguzi n'imikorere y'icyuma cy'umucanga.

5.1 Ingano y'umusaruro: Ingano nto ugereranyije n'ingano nini

• Umusaruro muke (urugero, gukata inyubako aho zikorerwa): Shyira imbere uburyo bwo gukoresha neza ikiguzi no gutwara neza. Hitamo HSS cyangwa TiN-coated carbide blades (santimetero 4-6 z'umurambararo) kugira ngo ucibwe rimwe na rimwe. Izi blades zirahendutse kandi zoroshye kuzisimbuza, kandi uburebure bwazo buto bukwiranye n'imikero ikoreshwa mu ntoki kugira ngo ikoreshwe neza aho ikorera.
• Umusaruro mwinshi (urugero, gutunganya ahakozwe mu ruganda hakozwe imashini za FCB): Shyira imbere kuramba no gukora neza. Hitamo ibyuma bya karubide bitwikiriwe na DLC (santimetero 6-8 z'umurambararo) bifite imiterere y'amenyo ya TCG. Ibi byuma bishobora kwihanganira gucibwa buri gihe, bigagabanya igihe cyo guhinduka kw'amenyo. Byongeye kandi, bishyira hamwe na sisitemu za LEV zifite ubushobozi bwo hejuru (≥200 CFM ku byuma bya santimetero 8) kugira ngo bikomeze kubahiriza amategeko no gutanga umusaruro.

5.2 Ibisabwa mu guca neza: Imiterere y'inyubako ugereranyije n'imitako

• FCB y’inyubako (urugero, amapaneli atwara imizigo): Ibisabwa mu buryo bunonosoye ni ibiciriritse (± 1mm ​​yo kwihanganira gukata). Hitamo amenyo 24-32 afite imiterere ya ATB cyangwa TCG—amenyo make atuma umuvuduko urushaho kwiyongera, kandi imiterere y'amenyo igabanya gucikagurika bihagije kugira ngo inyubako ishyirwemo.
• FCB y'imitako (urugero, imbaho ​​zo imbere ku nkuta zifite impande zigaragara): Ibisabwa mu buryo bunoze ni bikomeye (± 0.5mm yo kwihanganira gukata). Hitamo amenyo 36-48 afite imiterere ya ATB na DLC coatings. Amenyo menshi atuma impande zoroha, kandi coatings zirinda gushwanyagurika, byuzuza amahame y'ubwiza.

5.3 Ibisabwa mu kubahiriza amategeko: OSHA n'amabwiriza y'ibanze

OSHA 1926.1153 ni yo ngamba y'ibanze yo gukata FCB, ariko amategeko yo mu gace runaka ashobora gushyiraho ibindi bisabwa (urugero, imipaka ikomeye y'ivumbi mu mijyi). Mu guhitamo ibyuma by'umucanga:

• Kugenzura ivumbi: Menya neza ko ibyuma bihuye na sisitemu za LEV (urugero: umurambararo wa santimetero ≤8, matrix ifunze ivumbi) kugira ngo bihuze n'umupaka wa OSHA wo guhumeka wa silica (50 μg/m³ mu gihe cy'amasaha 8).
• Ibirango by'umutekano: Hitamo ibyuma bifite ibirango by’umutekano bisobanutse neza (urugero: RPM ntarengwa, umurambararo, uburinganire bw’ibikoresho) kugira ngo hubahirizwe ibisabwa na OSHA mu bijyanye no gushyira ibirango ku bikoresho.
• Uburinzi bw'abakoziNubwo ibyuma by'inkero bidatanga uburinzi ku buryo butaziguye ku buhumekero, ubushobozi bwabyo bwo kugabanya umukungugu (binyuze mu gishushanyo mbonera gikwiye) byuzuza ibisabwa na OSHA ku byuma bihumeka bya APF 10 biri ahantu hafunze (nubwo gukata FCB bikunze kuba hanze, nk'uko bisanzwe bikorwa).

6. Imiterere y'Ikoreshwa: Guhindura Ibyuma by'Icanwa ku Miterere y'Icyangwa Aho Bikorerwa

Uburyo bwo gukata bwa FCB butandukana bitewe n'ibidukikije (imbere cyangwa hanze), ubwoko bw'igicamo (kigororotse cyangwa kigoroye), n'imiterere y'ikirere—byose bigira ingaruka ku guhitamo icyuma cy'urukero.

6.1 Gucana hanze (Icyitegererezo cy'ibanze cya FCB)

Dukurikije uburyo bwiza bwa OSHA, gukata FCB niahantu ho hanze ukunda cyanekugira ngo bigabanye ukwiyongera kw'umukungugu (gukata imbere bisaba izindi gahunda zo gusohora imyuka). Ibintu byo hanze birimo:

• Gushyiramo imbuga zo hanze ku rukuta: Bisaba gukata no gukoresha neza (kugira ngo bihuze n'imyanya y'amadirishya/inzugi). Hitamo amenyo ya santimetero 6 ya ATB (amenyo 36) afite irangi rya TiN—rishobora gukoreshwa ahantu runaka, kandi irangi rirwanya ubushuhe bwo hanze.
• Gukata ibisenge munsi y'inzu: Bisaba gukata vuba kandi neza kuri FCB nto (4-6mm). Hitamo amenyo ya TCG ya santimetero 4 (amenyo 24)—umurambararo muto kugira ngo byoroshye kugera ku gisenge, kandi amenyo ya TCG afatanye na FCB ipfundikiye (ibisenge byinshi bya silica).
• Ibitekerezo ku bijyanye n'ikirere: Mu gihe cy'ubukonje cyangwa imvura igwa hanze, koresha ibyuma birwanya ingese (urugero: ibyuma bitagira umugese). Mu gihe cy'umuyaga mwinshi, hitamo ibyuma bifite imiterere iboneye y'amenyo kugira ngo ugabanye guhindagura (umuyaga ushobora kongera imbaraga z'icyuma gihindagurika).

6.2 Gukata mu nzu (Ibikoresho byihariye)

Gukata FCB imbere (urugero, gushyiraho ibice by'imbere mu nyubako zifunze) byemewe gusa hamwe n'ibikoreshokugenzura ivumbi neza:

• Guhitamo icyuma gikozwe mu rukero: Koresha ibyuma bifite santimetero 4-6 (umurambararo muto = ivumbi rito rikura) hamwe n'udupira twa DLC (bigabanya gufatana kw'ivumbi). Irinde ibyuma bifite santimetero 8 mu nzu—bitanga ivumbi ryinshi, ndetse no mu buryo bwa LEV.
• Imashini isohora umwuka w'inyongera: Huza icyuma cy'urukero n'amafeni atwarwa (urugero, amafeni axial) kugira ngo wongere sisitemu za LEV, werekeze ivumbi ku mashini zisohora umwuka. Ifu y'icyuma ijyana ivumbi igomba guhuza n'icyerekezo cy'umwuka w'umufana.

6.3 Ubwoko bw'Igice: Gigororotse ugereranije n'Ifite Impande

• Gukata mu buryo butaziguye (bikunze kugaragara cyane): Koresha ibyuma bifite uburebure burambuye (ibyuma bisanzwe by'uruziga) bifite amenyo ya ATB cyangwa TCG. Ibi byuma bitanga uburyo buhamye kandi bugororotse bwo gukata ibice, imitako, cyangwa imitako.
• Ibice bisongoye (urugero, inzira z'imirongo): Koresha ibyuma bito binini (ubugari bwa santimetero 0.08) bifite amenyo magufi (amenyo 48). Ibice bito birushaho koroha mu gukata amenyo, kandi amenyo magufi arinda gucika ku nkengero zigose. Irinde ibyuma binini—birakomeye kandi bishobora kuvunika mu gihe cyo gukata amenyo magufi.

7. Umwanzuro: Gahunda ihamye yo guhitamo icyuma gicana

Guhitamo icyuma gikwiye cyo gukata imbaho ​​za sima bisaba uburyo buhuriweho buhuza imiterere y'ibikoresho, ibipimo by'icyuma gikata imbaho, imikorere y'ibikoresho, imiterere y'umusaruro, n'uburyo ikoreshwa—byose hamwe bikurikiza amahame y'umutekano ya OSHA. Muri make, urwego rw'ihitamo:

1. Tangira n'ibikoresho: Sesengura ubucucike bwa FCB, ubunini, n'ingano ya silica kugira ngo umenye ibisabwa ku cyuma cy'umukero (urugero, ubushobozi bwo kwangirika kw'imbaho ​​zifite ubucucike bwinshi, kugenzura ivumbi ku mbaho ​​zifite silica nyinshi).
2. Ibipimo by'icyuma gifunga urushyi rw'urufunguzo: Menya neza ko umurambararo wabyo ari ≤8 santimetero (OSHA ikurikije amategeko), hitamo matrix/amenyo/igitambaro ukurikije ingano y'umusaruro (DLC kugira ngo ingano irusheho kuba nyinshi) n'ubuziranenge (umubare munini w'amenyo yo gukata imitako).
3. Huza n'ibikoresho: Genzura ingano ya arbor, imikorere ya RPM, n'uburyo umwuka unyura muri sisitemu ya LEV (≥25 CFM/inch) kugira ngo urebe ko imikorere myiza no kugenzura ivumbi.
4. Huza n'imiterere y'umusaruro: Gupima ikiguzi no kuramba (ingano nto: HSS; ingano nini: DLC) no kubahiriza ibisabwa mu buryo bunoze/bujyanye n'amategeko.
5. Hindura ukurikije uko ibintu bimeze: Shyira imbere ibyuma byo hanze (birwanya ingese) mu mirimo yo mu rugo, kandi ukoreshe ibyuma bito kandi byoroshye mu gukata ibintu bikonje.

Bakurikije iyi gahunda, abakora, ba rwiyemezamirimo, n'abakora ibikoresho bashobora guhitamo ibyuma by'inkero bitaba gusa gutanga uburyo bwiza bwo gukata FCB, ahubwo binatuma bubahiriza amabwiriza ya OSHA kandi bikarinda abakozi kwanduzwa n'umukungugu wa silica—amaherezo bikagera ku buringanire mu mikorere, umutekano, no kugabanya ikiguzi.