Hom thiab daim ntawv thov ntawm band saws

Band saws tau muab faib ua ntsug thiab kab rov tav hnyav hom rau txiav cav rau hauv boards thiab kab teeb, nruab nrab hom ntsug band saws rau txiav beams thiab tuab boards rau nyias thiab lub teeb hom ntsug band saws rau txiav ncaj thiab nkhaus boards thiab lwm yam khoom.

Siv band saws ntawm hnyav thiab nruab nrab hom, tsis zoo li gutters, tus kheej cav thiab kab teeb yuav raug txiav mus rau hauv lub planks, coj mus rau hauv tus account qhov tsis xws luag thiab lwm yam ntxwv ntawm lub cav. Tsis tas li ntawd, thaum txiav, lawv muab qhov dav me me ntawm kev txiav, yog li ntoo tsawg dua mus rau hauv sawdust.

Hauv kev ua haujlwm ntawm cov tuam txhab hauv kev tsim kho kev lag luam rau kev ua cov ntoo, cov cav tov nrog band saws ntawm hom LC- feem ntau yog siv.70thiab LC-80.

Band pom LC-80

Technical drawing of vertical band saw LC-80nrog cov ntsuas theem pib cim

Image 1 — Band pom LC-80.

Lub tshuab muaj lub cev, lub rooj teb, ob lub log pom - ib qho kev qhia qis dua thiab lub zog siab, lub tshuab nres thiab lub tshuab hluav taws xob.

Kev yam ntxwv LC-80

  • Txoj kab uas hla ntawm lub log uas cov qhab pom mus: 800 mm
  • Txiav dav - hla: 715 mm
  • Qhov siab tshaj plaws txiav: 570 mm
  • Band pom hniav dav: mus txog 60 mm
  • Band saw hniav ntev: 3600–6000 mm
  • Table dimension: 945 × 970 mm
  • Txoj kab uas hla ntawm lub log kis tau tus mob: 285 mm
  • Log revolutions ib feeb: 620–800 mm
  • Hluav taws xob lub cev muaj zog: 3,2 kW
  • Tshuab hnyav: 920 kg

Thick boards tuaj yeem txiav mus rau hauv nyias nyias siv lub tshuab ntxiv. Lub tshuab txiav ntoo nrog ib tug band saw hniav.

Band pom hniav

Technical drawings of the tooth profile of carpentry and scraping band saw blades

Image 2 — Profiles ntawm band saw hniav.

Band saws tau muab faib raws li lub hom phiaj rau hauv cov kws ntoo, nws cov hniav yog cov cuab yeej txiav ntawm cov kws ntoo band saws, thiab scrapers, nws cov hniav yog cov cuab yeej txiav ntawm hnyav thiab nruab nrab hom band saws. Reciprocating saws muaj profiles I thiab II.

Dimensions ntawm cov hniav ntawm cov kws ntoo band pom cov hniav tuaj yeem txiav txim siab los ntawm qhov sib piv: cov hniav pitch t = (1,5 + 2,0) B, hniav qhov siab h = (0,5 + 0,6) t, qhov twg B yog qhov dav ntawm cov saw hniav hauv millimeters.

Dimensions of carpentry and reamer band saws

Cov nqi hauv cov lus hauv qab no raug xa mus rau hauv kev txiav txim los ntawm cov ntsiab lus qub.

Rooj1: Dimensions of carpentry and planing band saws
Lub npe ntawm tus tester Ntev (hauv yob), mm Dav nrog cov hniav, mm Hniav, mm Thickness
Kws ntoo Ntau qhov ntev ntawm4 m



Ntau qhov ntev ntawm6 m		 10
15
20

30
40
50		 6
6
8
10
10
12
12		 0,6
0,6
0,7
0,8
0,8
0,9
0,9
Kev cuam tshuam Ntau qhov ntev ntawm6 m
Ntau qhov ntev ntawm7 m
Ntau qhov ntev ntawm8,5 m		 50

85

125,150,185		 30

40

50,50,50		 0,9

1,0

1,0 1,2; 1,0 1,2; 1,01,2

Hniav profiles

Table 2: Hniav profiles ntawm kws ntoo thiab reamer band pom hniav
Profiles of teeth Teeth pitch t, mm Qhov siab ntawm cov hniav h, mm Radius ntawm lub kaum sab hauv rounding r, mm
Kws ntoo 6
8
10
12		 2,0 – 3,0
4,2 – 4,4
4,8 – 5,0
6,3 – 6,5		 1,5
1,5
2,5
2,5
Rasružne I 30
40
50		 9
11
13		 3
4
4
Rastružne II 30
40
50		 7,5 – 8
10 – 11
14 -15		 3
4
4

Nplooj dav thiab khoov vojvoog

Nws muaj kev vam khom ntawm qhov dav ntawm cov hniav thiab lub vojvoog ntawm curvature ntawm cov khoom raug txiav. Nws tshwm sim los ntawm qhov tseeb hais tias ib txwm ua haujlwm ntawm cov saw yog ua tau nrog cov xwm txheej uas qhov dav ntawm band saw hniav yog pub dawb tso rau hauv qhov txiav. Thaum tus mob no tsis tau raws li, cov khoom yuav inevitably muaj kev puas tsuaj.

Curvilinear cov ntsiab lus tuaj yeem txiav nrog cov saw dav dav yog tias qhov sib kis loj dua ob npaug ntawm cov hniav. Yog li ntawd, cov saw hniav sib kis kom ib tus hniav hla ib zaug.

Table 3: Kev vam khom ntawm band pom hniav dav thiab lub vojvoog ntawm curvature ntawm lub caij yuav raug txiav
Cov vojvoog, mm 25 50 100 200 300 400 500 600
Pom hniav dav 6 10 15 24 29 34 37 42

Thaum txiav ntoo thuv thiab spruce ntoo ntawm cov av 12–30%, nrog txiav ceev 40 m/min, qhov loj ntawm kev hloov ntawm ib tug hniav 0,2–0,3 mm thiab txiav qhov siab 50–200 mm, kws ntoo lossis reciprocating saws yuav tsum ua hauj lwm yam tsis muaj sharpening rau plaub teev.

Daim ntawv tso cai nruj zog

Yog thaum lub sijhawm ua haujlwm lub zog tensioning ntawm cov saw hniav tsis pub tshaj nyob ntawm nws qhov dav thiab cov xwm txheej ntawm kev siv lub tshuab, nquag tearing ntawm cov saw hniav tuaj yeem zam tau.

Table 4: Tso cai tensioning rog ntawm band pom hniav
Pom thickness, mm Tension rog
25 50 75 100 125 150 175 200
0,8 250 – – – – – –
0,9 300 400 500 600 750 – – –
1,0 350 500 600 750 1000 1100 – –
1,2 – – 750 900 1100 1300 1500 –
1,4 – – – 1100 1300 1500 1800 2200
1,6 – – – – – – 2100 2300

Qhia tawm thiab tuav cov hniav

Band saw hniav tuaj yeem kis tau rau ntawm cov tshuab tsis siv neeg tshwj xeeb, siv tes kis lossis rauj tshuab ncaj qha rau ntawm tus hniav. Ntxiv nrog rau kev sib kis, compression ntawm cov hniav kuj tseem siv rau cov tshuab tshwj xeeb lossis siv cov khoom siv tshwj xeeb.

Kev sib kis loj li ntawm 0,25 mus rau 0,30 mm rau cov kws ntoo saws thiab los ntawm 0,40 mus rau 0,50 mm rau scrapers thaum txiav conifers nrog noo noo txog li 25%. Thaum txiav cov ntoo tawv ntoo nrog cov dej noo hauv qab 25%, ib sab kis yog 0,20–0,25 mm rau cov neeg koom tes thiab 0,40–0,45 mm rau cov saw saws. Rau ob qho tib si conifers thiab deciduous hom, kev sib kis tau nce nrog qhov nce ntawm cov av noo ntawm cov khoom raug txiav.

Cov ntaub ntawv ntsig txog: Woodworking tshuab thiab cuab yeej · Machines nrog ncig saws (lub voj voog) · Sawn softwood thiab hardwood lumber · Qhuav kws ntoo thiab kev pabcuam kom qhuav · Los ntawm qhov kev thov rau kev tsim.