Mefuta le ts’ebeliso ea li-band saw
Li-saha tsa sehlopha li arotsoe ka mofuta o boima o otlolohileng le o tšekaletseng bakeng sa ho seha liboto ka liboto le maballo, li-saha tsa mofuta o mahareng tse otlolohileng bakeng sa ho seha maballo le liboto tse teteaneng ka lisakha tse tšesaane tsa mofuta o bobebe bakeng sa ho seha liboto tse otlolohileng le tse kobehileng le likarolo tse ling.
Ka thuso ea li-saw tsa lihlopha tsa mefuta e boima le e bohareng, ho fapana le li-gutters, li-logs le maballo a motho ka mong li ka khaoloa ka mapolanka, ho nahanoa ka mefokolo le litšobotsi tse ling tsa lifate. Ho phaella moo, ha ba khaola, ba fana ka bophara bo fokolang ba sehiloeng, kahoo patsi e nyenyane e kena ka har’a sawdust.
Mosebetsing o sebetsang oa lik’hamphani tsa indasteri ea kaho bakeng sa ho lokisa lehong, mechine e nang le li-band saws ea brand LC- e ne e sebelisoa haholo.70le LC-80.
Sehlopha se bone LC-80
Image 1 — Sehlopha se boneng LC-80.
Mochini o na le ’mele, tafole ea rotary, mabili a mabeli a sakhang - tataiso e tlase le tensioner e holimo, sesebelisoa sa brake le enjene ea motlakase.
Litšobotsi tsa tekheniki LC-80
- Bophara ba mabili ao sehlopha se se boneng: 800 mm
- Ho fokotsa bophara - fetisa: 715 mm
- Bophahamo bo phahameng ba ho itšeha: 570 mm
- Bophara ba lehare la seha: ho fihla ho 60 mm
- Bolelele ba blade ea sehlopha: 3600–6000 mm
- Boemo ba tafole:945×970 mm
- Diameter ea lebili la phetiso:285 mm
- Palo ea ho potoloha ha mabili ka motsotso:620-800 mm
- Matla a motlakase:3,2kW
- Boima ba mochini:920 kg
Mochine ona, liboto tse teteaneng li ka khaoloa ka tse tšesaane ho sebelisoa mochine o eketsehileng. Mochine o rema patsi ka lehare la sakha ea sehlopha.
Band saw blades
Setšoantšo2- Profiles ea band saw blades.
lisakha tsa lihlopha li arotsoe ho ea ka morero oa ho betla, oo mahare a oona e leng sesebelisoa sa ho seha sa lisakha tsa sehlopha sa mapolanka, le li-scrapers, tseo lehare la tsona e leng sesebelisoa sa ho seha sa lisakha tsa mofuta o boima le tse mahareng. Li-sakha tse khutlisetsang li na le lintlha tsa I le II.
Litekanyo tsa meno a sehlopha sa mapolanka sa mapolanka li ka khethoa ho tloha karo-karolelano: molumo oa menot = (1,5 + 2,0) B, bophahamo ba leinoh = (0,5 + 0,6) t, e hokaeBbophara ba lehare la saha ka limilimithara.
Litekanyo tsa ho betla mapolanka le li-planer band saw
Lintlha tse tafoleng e latelang li fetisoa ka tatellano ho tsoa ho litaba tsa mantlha.
| Lebitso la mohlahlobi | Bolelele (moqolong), mm | Bophara ka meno, mm | Leino la meno, mm | Botenya |
|---|---|---|---|---|
| Ho betla mapolanka | Bolelele bo bongata ba4 m Bolelele bo bongata ba6 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 |
| Tshohanyetso | Bolelele bo bongata ba6 m Bolelele bo bongata ba7 m Bolelele bo bongata ba8,5 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 |
Boemo ba meno
| Profaele ea meno | Leino la meno t, mm | Bolelele ba meno h, mm | Radius ea sekhutlo se ka hare sa ho pota-pota r, mm |
|---|---|---|---|
| Ho betla mapolanka | 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 |
Bophara ba lekhasi le radius e kobehang
Ho na le ho its’etleha lipakeng tsa bophara ba lehare la bandsaw le radius ea kobeha ea element e sehiloeng. E bakoa ke taba ea hore ts’ebetso e tloaelehileng ea sesepa e ka khoneha ka boemo ba hore bophara ba lehare la sehlopha se behiloe ka bolokolohi ka sehiloeng. Ha boemo bona bo sa finyelloe, lihlahisoa li tla senyeha.
Li-Curvilinear elements li ka khaoloa ka li-blade tsa sakha tse pharaletseng haeba boholo ba ho jala bo feta habeli botenya ba lehare. Ka hona, lehare la sakha le aloa e le hore leino le le leng le tlōle ka nako.
| Curve radius, mm | 25 | 50 | 100 | 200 | 300 | 400 | 500 | 600 |
|---|---|---|---|---|---|---|---|---|
| Bophara ba lehare la sakha | 6 | 10 | 15 | 24 | 29 | 34 | 37 | 42 |
Ha u rema sefate sa phaene le spruce se mongobo 12–30%, ka lebelo la ho itšeha 40 m/min, boholo ba ho chencha leino ka leng 0,2–0,3 mm le bophahamo ba ho seha 50–200 mm, ho betla mapolanka kapa lisakha tse tšoanang li tlameha ho sebetsa ntle le ho chorisa lihora tse nne.
Matla a lumellotsoeng a tsitsipano ea pampiri
Haeba nakong ea ts’ebetso matla a tsitsipano a lehare la saw ha a fetisetsoe ho itšetlehile ka bophara ba oona le maemo a tloaelehileng a tšebeliso ea mochine, ho taboha khafetsa ha lehare la sesepa ho ka qojoa.
| Botenya ba bona, mm | Matla a tsitsipano | |||||||
|---|---|---|---|---|---|---|---|---|
| 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 |
Ho iponahatsa le ho tsikitlanya meno
Li-blades tsa band li ka hasana ka mechine e khethehileng ea othomathiki, ho sebelisoa li-spreaders tsa letsoho kapa hamore e otla ka ho toba leino. Ntle le ho hasana, khatello ea meno e boetse e sebelisoa ka mechine e khethehileng kapa ho sebelisa lisebelisoa tse khethehileng.
Boholo ba ho hasana bo tloha ho0,25ho0,30 mmbakeng sa lisakha tsa mapolanka le ho tloha0,40ho0,50 mmbakeng sa scrapers ha seha conifers le mongobo ho fihlela ho25%. Ha u rema mefuta ea lifate tse thata tse nang le mongobo o tlase25%, tekanyo ea ho ikhantša ka lehlakore le le leng0,20-0,25 mmbakeng sa ho betla mapolanka le0,40-0,45 mmbakeng sa li-jigsaws. Bakeng sa mefuta e ’meli ea li-conifers le tse nang le makhasi a sephara, ho ata ho eketseha ha mongobo o ntseng o eketseha oa thepa e sehiloeng.
Lihlooho tse amanang: mechini ea mapolanka le lisebelisoa, mechini e chitja, lehong le sakhang la lifate tsa coniferous le hardwood, kaho le ho etsoa ha lifensetere le mamati a lehong.