Thaum txiav ntau yam khoom siv ntoo (bars, cav, boards, slats, thiab lwm yam), cov neeg ua haujlwm hauv tsev thiab cov kws tshaj lij siv cov voj voog thiab miter saws (phau ntawv los yog nyob ruaj ruaj). Yog tsis muaj kev siv cov cuab yeej no, nws yog ib qho nyuaj rau kev xav txog ob qho tib si kev tsim kho ntawm lub teb chaws lub tsev, thiab kev tsim cov rooj tog ntoo los yog erection ntawm lub laj kab. Cov khoom txiav ntawm txhua yam khoom siv ntoo (hluav taws xob lossis roj av) yog cov saw hniav. Kev xaiv dav ntawm cov khoom no yog tam sim no muaj rau cov neeg siv niaj hnub no (ob qho tib si hauv nqe thiab ntau yam ntawm cov tuam txhab, qhov ntau thiab tsawg thiab lub hom phiaj).
Ntau hom discs rau sawing ntoo
Txhua cov hniav tsim los txiav ntoo tau muab faib ua ob pawg loj:
- Monolithic, uas yog tsim los ntawm cov khoom siv ntawm cov cuab yeej tshwj xeeb hlau. Vim qhov tseeb tias pom cov hniav uas siv cov thev naus laus zis no yuav tsum tau ua kom pom tseeb ntau zaus, lawv yog cov neeg siv tsawg tshaj plaws.
- Nruab-tipped ntawm ntug txiav ntawm cov hniav, uas tuaj yeem ua tiav kev txiav huv si, thiab lawvpab txhawb rau lub durability ntawm cov discs. Nws yog pawg ntawm kev txiav cov ntawv txuas uas tsis ntev los no tau txais kev nyiam tshaj plaws (ob leeg ntawm cov kws tshaj lij thiab cov neeg nyiam ua haujlwm).
Nyob rau hauv ntau lawm, sawb yog tsim nyob rau hauv ob txoj kev:
- stamping (cov khoom raug txiav tawm ntawm cov ntawv hlau siv cov qauv);
- los ntawm laser txiav, uas tso cai rau koj kom ua tau raws li txhua qhov teev geometric qhov ntev.
Note! Txoj kev tsim khoom cuam tshuam rau tus nqi ntawm cov disc (stamped, ntawm chav kawm, yog pheej yig dua), thiab nws zoo thiab durability (laser sawv daws yuav unrivaled nyob rau hauv no hwm).
Specifications
Cov ntsiab lus tseem ceeb ntawm cov ntoo saws rau lub voj voog thiab miter saws (phau ntawv lossis nyob ruaj ruaj) yog:
sab nraud - los ntawm 65 mus rau 500 mm (tus duab no tsis tuaj yeem tshaj qhov ntev ntawm lub npog tiv thaiv ntawm lub cuab yeej);
tus lej ntawm cov hniav txiav - los ntawm 12 mus rau 100 daim (cov hniav ntau dua, qhov siab dua cov khoom ntawm lub cuab yeej thiab qhov kev ua haujlwm qis dua, tab sis qhov siab dua qhov kev huv ntawm kev txiav, thiab lwm yam);
- bore txoj kab uas hla - los ntawm 15 mus rau 32 hli (nyob ntawm qhov loj ntawm lub voj voog saw spindle, txawm hais tias qee cov qauv ntawm cov hniav tau nruab nrog cov ntxhua khaub ncaws tshwj xeeb uas tso cai rau lawv siv nrog ntau yam khoom siv);
- web thickness - los ntawm 1.5 mus rau 3.2 hli (qhov siab dua daim duab no, qhov muaj zog dua qhov kev sib tw thiab, yog li ntawd,Lub neej ua haujlwm ntev dua);
- kev khiav hauj lwm siab tshaj plaws uas cov chaw tsim khoom lav tsis muaj teeb meem kev ua haujlwm ntev ntawm cov khoom - los ntawm 4000 txog 16000 rpm.
Tsim los tiv thaiv deformation nta
Thaum lub sijhawm txiav, qhov saum npoo ntawm lub disk yog rhuab thiab, vim li ntawd, qhov thermal expansion ntawm cov hlau. Qhov no tuaj yeem ua rau deformation ntawm kev sib txuas ntawm kev txiav, txo qis hauv qhov zoo ntawm qhov txiav, lossis txawm tias cov tshuab tsis ua haujlwm. Txhawm rau tiv thaiv cov xwm txheej tsis zoo no, cov txheej txheem thev naus laus zis tshwj xeeb (ncaj lossis nkhaus) yog nruab rau sab nraud ntawm lub disc ncig. Lawv tus lej nyob ntawm txoj kab uas hla ntawm lub nozzle thiab feem ntau yog li ntawm 2 mus rau 6-8 daim. Lawm, qhov loj dua ntawm lub disk, qhov ntau qhov yuav tsum tau ua kom muaj txiaj ntsig zoo rau nws cov thermal expansion.
nws ua haujlwm li cas: thaum qhov kub nce, cov hlau nthuav dav, vim qhov loj ntawm qhov vuam txo qis, uas yog, hu ua qhov kub thiab txias them nyiaj tshwm sim. Yog li ntawd, lub disk tsis hloov nws qhov ntev geometric txawm tias lub sijhawm ua haujlwm ntev. Tsis tas li ntawd, cov kev txhim kho thev naus laus zis no txo kev co thiab suab nrov.
Raws li cov lus qhia ntxiv tsim los txuas ntxiv "lub neej" ntawm cov disks thiab txhim kho lawv cov kev ua haujlwm tiv thaiv deformation, cov tuam txhab siv lawv cov kev paub:
- Tshwj xeeb zoo li tus indentations etched rau saum npoo nrog lub laser;
- voj voog ncig nyob kwv yees li hauv nruab nrab ntawm txoj kab uas hla thiabnruab nrog txoj kev dov.
Sanding saum npoo ntawm cov hniav thiab tom qab ntawd ua tib zoo ntsuas qhov ua tau zoo txhim kho cov yam ntxwv ntawm kev co ntawm cov ntoo sawing txuas thiab txo cov load ntawm lub voj voog saw motor.
Top Manufacturers
Cov tuam txhab nto moo tshaj plaws ntawm cov saw hniav rau hlau, ntoo thiab lwm yam khoom siv hauv tsev niaj hnub no yog:
- German - Bosch, Metabo, Rauj, Stayer, Leitz thiab Einhell;
- Japanese - Makita thiab Ryobi;
- Italian - CMT, Freud thiab Felisatti;
- Russian - "Interskol", "Xaiv", "Attack", "Whirlwind" thiab "Encore";
- Belarusian - Zubr thiab BelMash;
- American - DeW alt thiab dav hlau;
- British - Saxton;
- Polish – Yato;
- Canadian - FIT;
- South Korean – Keos.
Kev txiav cov ntawv txuas
Yuav luag txhua tus neeg tsim khoom siv cov ntaub ntawv yooj yim tsis yog ntawm lub ntim nkaus xwb, tab sis kuj nyob rau saum npoo ntawm lub disc. Standard marking muaj:
- sab nraud thiab bore diameters;
- tso cai siab tshaj qhov kev sib hloov ceev thaum siv;
- nqi txiav hniav;
- txiav thickness.
txhawm rau pab txhawb cov txheej txheem kom ntse, cov tuam txhab muaj lub luag haujlwm tshaj plaws (piv txwv li, Makita thiab DeW alt) kuj qhia lub kaum sab xis ntawm cov hniav.
Cov discs pheej yig yog cim nrog xim thiab tom qab siv luv luvyuav luag tag nrho. Heev tsis yooj yim rau cov neeg siv. Ntawm cov khoom kim, tag nrho cov ntaub ntawv tsim nyog yog siv los ntawm laser engraving, uas tseem nyob rau saum npoo ntawm cov khoom thoob plaws tag nrho cov kev pab cuam lub neej.
Tooth shape of cutting edge
Cov hniav ntawm cov discs tsim rau sawing ntoo tuaj yeem muaj cov duab geometric sib txawv: ncaj, trapezoidal, beveled (hloov mus rau sab xis, tom qab ntawd mus rau sab laug) lossis daim duab peb sab. Kev faib tawm thoob ntiaj teb ntawm qhov ntsuas no yog qhov nyuaj heev, thiab cov neeg tsim khoom sim ntsuas qhov ntsuas no hauv cov chaw tsim khoom tshwj xeeb. Kev xaiv ntawm ib lossis lwm qhov kev teeb tsa ntawm cov duab ntawm cov hniav ntawm cov disc yog nyob ntawm ob qho tib si ntawm lub cev ntawm cov khoom raug txiav thiab ntawm qhov kev npaj ua kom ceev.
Thaj tsam ntawm daim ntawv thov nyob ntawm lub kaum sab xis ntawm qhov inclination thiab pes tsawg tus hniav
Ob lub thev naus laus zis no feem ntau cuam tshuam rau kev huv ntawm kev txiav thiab qhov dav ntawm cov saw saws.
Rau kev ua haujlwm ntev ntawm cov ntoo, cov khoom lag luam nrog cov hniav me me (txog 55-60) thiab lub kaum sab xis ntawm kev txiav ntug (thaum cov hniav yog inclined nyob rau hauv cov kev taw qhia ntawm disk rotation) yog siv.. Ntxiv mus, qhov ntau (" txhoj puab heev") txoj kab nqes thiab qhov me me ntawm cov hniav, qhov ntau dua qhov txiav ceev thiab "rougher" txiav huv si.
Kev nyiam tshaj lij (raws li kev tshuaj xyuas ntau heev) Makita Premium ntoo saw hniav (carbide) nrog ib txoj kab uas hla ntawm 185 hli, ib tug bore ntawm 30 hli, 40 hniav thiab ib tug txiav ntug inclination ntawm ntxiv 18degrees nqi hnub no txog 2500 rubles. Rau cov neeg siv tes tuav lub voj voog ib ntus, Lavxias "Whirlwind" ntawm qhov loj me (inch 190 mm, 48 hniav) thiab cov yam ntxwv rau 350-450 rubles yog qhov tsim nyog heev.
Rau kev hla hla, xoom lossis tsis zoo lub kaum sab xis ntawm inclination thiab ntau tus lej (txog 80-100) ntawm cov hniav txiav yog siv. Qhov kev teeb tsa no txo qis kev ua haujlwm nrawm me ntsis, tab sis tawm ntawm qhov chaw du tom qab txiav.
A zoo 300 hli Bosch Optiline Wood miter pom hniav nrog 96 cov hniav thiab xoom kaum tus nqi kwv yees li 4800 rubles. Lawm, xws li cov cuab yeej yog kev lag luam ncaj ncees kom tau txais kev siv txhua hnub. Rau cov neeg uas muaj lub cav ntoo, tab sis tsis siv nws ntau dhau, nws yog qhov zoo dua los yuav cov khoom siv uas pheej yig dua thiab muaj ntau yam. Lub saw hniav rau ntoo kom huv si ntawm qhov ntev zoo sib xws (nrog 100 cov hniav thiab lub kaum sab xis ntawm kev tawm tsam ntawm 5 degrees) "Zubr Expert" (Belarus) yuav raug nqi 2400 rubles.
Ib txwm, tus nqi ntawm lub disc (ntawm tib lub hom phiaj thiab cov chaw tsim khoom) ncaj qha nyob ntawm nws qhov ntev geometric. Qhov loj ntawm txoj kab uas hla ntawm kev txiav txuas, tus nqi kim dua thiab vice versa.
Tshwj xeeb lossis ntau lub hom phiaj discs
Cov hniav tshwj xeeb tshwj xeeb rau cov hlau tsis tuaj yeem siv rau hauv kev ua ntoo. Txawm li cas los xij, thaum lub sijhawm tsim khoom ntawm qee qhov kev teeb tsa lossis kev tsim ua haujlwmFeem ntau yuav tsum tau txiav ntau yam khoom siv (hlau profiles, aluminium fab, cov ntaub ntawv polymeric, ntoo ntawm ntau yam hardnesses). Yog li ntawd cov neeg siv tsis tas yuav siv sijhawm ntau los hloov cov discs rau ntau lub hom phiaj, ntau lub tuam txhab tau tsim tshwj xeeb ntau lub hom phiaj discs (Multi Material or Multi Cut).
Metabo Multi Cut saw hniav rau txhuas, yas, laminate, hardwood nrog ib txoj kab uas hla ntawm 254 hli, ib tug bore ntawm 30 hli thiab 80 hniav raug nqi txog 5,000 rubles. Raws li cov neeg siv kev txheeb xyuas, xws li kev txiav txuas tau yooj yim copes nrog ob qho tib si transverse thiab longitudinal txiav ntawm ntau hom ntoo, nrog rau chipboard thiab MDF (xws li laminated sawv daws yuav).
Bosch Ntau yam khoom siv rau lub hom phiaj zoo sib xws (160 hli txoj kab uas hla thiab 42 hniav) tuaj yeem yuav tam sim no rau 1800 rubles.
Rau qhov kev rhuav tshem ntawm cov ntoo ib ntus (piv txwv li, lub hauv paus formwork lossis scaffolding), nyob rau hauv kev npaj ntawm cov ntsia hlau, ntsia hlau los yog tus kheej tapping screws, discs nrog ib tug tshwj xeeb zoo ntawm cov hniav txiav yog siv. Lub kaum sab xis tsis zoo ntawm kev tawm tsam (uas feem ntau yog rho tawm 5 degrees) thiab cov duab geometric tshwj xeeb ntawm kev ua kom pom tseeb tso cai rau cov discs tau yooj yim tiv nrog cov khoom siv hlau thiab cov cement mortar residues. Uas ua rau lawv indispensable pab nyob rau hauv tej qhov chaw tsim kho. Qhov no yog raws nraim li DeW alt DT1953QZ Kev Tsim Kho 216mm carbide saw hniav yog tsim los rau.(nrog 40 tshwj xeeb cov hniav), uas tam sim no raug nqi txog 900 rubles.
Disc rau grinders
Lub kaum ntse ntse (kom paub ntau dua rau peb txhua tus raws li lub tshuab sib tsoo) yog cov cuab yeej siv thoob ntiaj teb uas yuav luag txhua tus kws tsim khoom hauv tsev muaj nyob rau hauv kev ua liaj ua teb. Thaum xub thawj, cov khoom siv ntau yam no tsis yog tsim los rau sawing ntoo. Ntau qhov kev sim ua kom pom cov hniav siv nrog lub kaum ntse ntse tsis tshua muaj qhov ua tau zoo.
Tam sim no ntau lub tuam txhab tsim cov saw tshwj xeeb rau cov ntoo grinders. Outwardly, lawv yog nyob rau hauv ntau txoj kev reminiscent ntawm ncig counterparts. Txawm li cas los xij, cov khoom siv no muaj ntau yam txuj ci:
- Tungsten carbide yog siv los ua cov khoom siv carbide rau soldering ntawm qhov txiav ntawm cov hniav, uas tso cai rau siv cov nozzles ntawm kev kub ceev (11000-13000 rpm).
- Txoj kab uas hla ntawm lub qhov mounting nruj me ntsis sib haum rau tus qauv loj ntawm lub kaum sab xis grinder spindle (22.2 hli).
- Lub taub sab nraud yog 110-125mm, uas ua rau nws muaj kev nyab xeeb siv cov log no nrog kev tiv thaiv npog ntawm.
Saw blades rau grinders, raws li txoj cai, yog cov nozzles sib koom ua ke thiab yog tsim los rau kev ua ntoo (ntau yam hardness hom), drywall, laminated chipboard, fiberboard thiab lwm yam.
Status HSS 72T 110mm OD, 22.2mm Bore, 72 hniav, thiab ntsuas rau 13000rpm kev ua haujlwm nyab xeeb. tus nqihnub no 550-600 rubles.
Tus thawj tsim ntawm txiav disc rau sawing ntoo nrog lub grinder yog muab los ntawm Graff, Leman thiab Speedwood. Ib qho txuj ci tshwj xeeb yog qhov muaj tsuas yog 3-4 tungsten carbide cov hniav ntawm qhov txiav ntawm lub disc. Raws li cov neeg tsim khoom, cov cuab yeej zoo li no tau ua tiav nrog ob qho tib si longitudinal thiab transverse sawing ntawm ntoo ntawm ntau yam hardness, nrog rau laminate, parquet boards, plywood thiab drywall.
125 hli ntoo txiav disc rau lub kaum sab xis grinders (22.2 hli bore) Graff Speedcutter nrog peb txiav hniav thiab 3.8 hli kerf nqi txog 800 rubles. Qhov siab tshaj plaws kev sib hloov ceev yog 12200 rpm, uas tso cai rau nws siv nrog yuav luag txhua tus qauv ntawm lub kaum sab xis grinders.
sawing log rau ntoo (los ntawm Verto, FIT, Lancelot lossis Squire), raws li cov neeg siv tshuaj xyuas, muaj peb qhov tsis zoo:
- tus nqi siab (piv txwv li, 2700-2800 rubles rau 125mm Verto);
- nyuaj nrog rau qhov txuas ntxiv ntawm cov saw;
- xav dav dav (6.6-7mm).
nrhiav dab tsi thaum xaiv
Thaum xaiv cov cuab yeej txiav ntoo, muaj ob peb lub ntsiab lus tseem ceeb los xav txog:
- Hom thiab cov yam ntxwv ntawm lub cuab yeej (spindle inch, casing dimensions and rotational speed) uas koj npaj yuav siv carbide saw hniav. Piv txwv li, yog lub nozzle yog npajrau kev siv ntawm qhov siab tshaj plaws ntawm 6000 rpm, nws tsis tuaj yeem siv siab tshaj tus nqi no. Thiab txawm hais tias muaj ntau cov saws niaj hnub muaj kev tswj ceev, nws yog ib qho tseem ceeb rau thawj zaug teeb tsa tus nqi qhia los ntawm cov chaw tsim khoom thiab tsuas yog tom qab ntawd qhib lub cuab yeej.
- Kev taw qhia ntawm kev txiav (longitudinal lossis transverse), nrog rau qhov hardness ntawm ntoo. Tus naj npawb, cov duab thiab lub kaum sab xis ntawm inclination ntawm cov hniav txiav yog nyob ntawm qhov no.
- Lub thickness ntawm workpieces (boards, tuav, thiab lwm yam). Piv txwv li, yog tias koj xaiv cov hniav uas me me dhau, koj yuav tsis tuaj yeem txiav qhov tuab ntawm ib qho dhau.
In xaus
Txawm hais tias cov saw hniav yog nyob rau hauv qeb ntawm cov khoom siv, txhua tus neeg siv xav kom nws kav ntev li ntev tau. Yog li ntawd, yuav ib yam khoom los ntawm lub sij hawm-tested thiab zoo-tsim chaw tsim tshuaj paus, koj tuaj yeem paub tseeb tias ob qho tib si zoo ntawm cov cuab yeej thiab nws cov kav ntev. Qhov tseem ceeb tshaj plaws yog xaiv txoj cai txiav txuas thiab siv nws tsuas yog hauv cov qauv pom zoo.
