Mastering Metal Cold Cutting: Tataiso ea profeshenale ea Litekanyetso tsa Kopo ea Circular Saw Blade
Lefatšeng la tlhahiso ea tšepe ea liindasteri, ho nepahala, ho sebetsa hantle le boleng ke tsona tse ka sehloohong. Metal a batang a sehiloeng selikalikoe li-blade li hlahile e le theknoloji ea lejoe la sekhutlo, e fanang ka ho nepahala ho ke keng ha lekanngoa le ho qeta holimo holimo ntle le ho sothoa ha mocheso ho tloaelehileng ho sakha kapa ho ferekana. Tataiso ena, e ipapisitseng le litekanyetso tse thehiloeng indastering joalo ka T/CCMI 25-2023, e fana ka kakaretso e hlakileng ea khetho, ts'ebeliso le taolo ea lisebelisoa tsena tsa bohlokoa.
Sengoliloeng sena se tla sebetsa e le sesebelisoa sa bohlokoa bakeng sa batsamaisi ba tlhahiso, basebetsi ba mechini le litsebi tsa ho reka thepa, ho shebana le sebopeho sa blade, khetho ea liparamente, le mekhoa e metle ea ho lelefatsa bophelo ba lisebelisoa le ho ntlafatsa ts'ebetso.
1. Maemo a Motheo: Moralo oa Boleng
Moralo o matla oa ts'ebetso o itšetlehile ka maemo. Bakeng sa li-blades tse chitja tse batang tsa tšepe, litekanyetso tsa bohlokoa li fana ka tataiso e hlokahalang bakeng sa tlhahiso, kopo le polokeho.
- Sebaka sa Ts'ebeliso:Litekanyetso tsena li laola bophelo bohle ba lehare la tšepe le sehiloeng le batang, ho tloha ho moralo oa eona oa sebopeho le likarolo tsa tlhahiso ho isa khethong ea ona, ts'ebeliso le polokelo. Sena se theha palo e kopaneng bakeng sa bahlahisi ba li-blade le basebelisi ba ho qetela, ho netefatsa botsitso le ts'epahalo indastering eohle.
- Litšupiso tse tloaelehileng:Litataiso li hahiloe holim'a litokomane tsa motheo. Mohlala,T/CCMI 19-2022e totobatsa litlhoko tsa mantlha tsa tekheniki bakeng sa li-blades ka botsona, atheGB/T 191e laela matšoao a bokahohleng a pictographic bakeng sa ho paka, ho boloka le ho tsamaisa. Hammoho, ba theha tsamaiso e felletseng e tiisang boleng ho tloha femeng ho ea mokatong oa lithupelo.
2. Mareo: Ke Eng e Hlalosang "Ho Seha ho batang"?
Motheong oa eona, aMetal Cold Cut Circle Saw Bladeke sesebelisoa se khethehileng se etselitsoeng ho khaola lisebelisoa tsa tšepe tse nang le mocheso o fokolang oa mocheso o fetisetsoang ho workpiece. E sebetsa ka lebelo le tlase la ho potoloha empa ka meroalo e phahameng ea li-chip ha e bapisoa le lisakha tsa likhohlano. Ts'ebetso ena e "batang" e finyelloa ka geometry ea lehare e entsoeng ka mokhoa o nepahetseng le meno a Tungsten Carbide Tipped (TCT), a kutang thepa ho e-na le ho e senya.
Melemo ea mantlha ea mokhoa ona e kenyelletsa:
- Nepahetse e Phahameng:E hlahisa likheo tse hloekileng, tse se nang burr tse nang le tahlehelo e nyane ea kerf.
- Superior Surface Finish:Sebaka se sehiloeng se boreleli 'me hangata ha se hloke ho qetela ha bobeli.
- Ha ho Sebaka se Ametsoeng ke Mocheso (HAZ):Microstructure ea thepa e moeling o sehiloeng e lula e sa fetohe, e boloka matla a eona a thata le ho thatafala.
- Tšireletseho e Eketsehileng:Litlhase li batla li felisitsoe, ho theha tikoloho e sireletsehileng ea ts'ebetso.
3. Anatomy ea Blade: Sebopeho le Mekhahlelo ea Bohlokoa
Ts'ebetso ea lehare la sakha e batang e laoloa ke moralo oa eona le likarolo tsa 'mele, tse tlamehang ho latela lintlha tse thata tse boletsoeng ho litekanyetso tse kang T/CCMI 19-2022 (likarolo tsa 4.1, 4.2).
Sebopeho sa Blade
- 'Mele oa Blade (Substrate):'Mele ke motheo oa lehare, hangata o entsoe ka tšepe ea alloy e matla haholo. E fumana phekolo e khethehileng ea mocheso ho finyella tekanyo e phethahetseng ea ho tiea-ho mamella matla a ho itšeha le matla a centrifugal ka lebelo-le ho tiea, ho thibela ho phunyeha kapa ho senyeha.
- Ho bona meno:Tsena ke lintho tse sehang, hoo e ka bang hohle tse entsoeng ka malebela a boemo bo holimo a Tungsten Carbide a kentsoeng 'meleng oa lehare. Thegeometry ea meno(sebopeho, angle angle, clearance angle) e bohlokoa ebile e fapana ho latela ts'ebeliso. Li-geometri tse tloaelehileng li kenyelletsa:
- Sebaka se Sephara (FT):Bakeng sa morero-kakaretso, ho seha ka makukuno.
- Alternate Top Bevel (ATB):E fana ka qetello e hloekileng holim'a lisebelisoa tse fapaneng.
- Triple Chip Grind (TCG):Tekanyetso ea indasteri ea ho seha litšepe tse nang le ferrous, e nang le leino le "korobehang" le lateloang ke leino le bataletseng la "qetellong". Moqapi ona o fana ka nako e telele e tsitsitseng le qetello e boreleli.
Mekhahlelo ea Bohlokoa
- Diameter:E khetha boholo ba bokhoni ba ho itšeha. Li-diameter tse kholo lia hlokahala bakeng sa lisebelisoa tse kholoanyane tsa mosebetsi.
- Botenya (Kerf):Lehare le letenya le fana ka botsitso le botsitso bo boholo empa le tlosa lintho tse ngata. Kerf e tšesaane e sebetsa hantle ho feta lintho tse bonahalang empa e ka 'na ea se ke ea tsitsa ha ho seha likheo tse boima.
- Palo ea meno:Ena ke parameter ea bohlokoa e amang lebelo la ho itšeha le ho qeta.
- Meno a mang:E etsa hore qetellong e be boreleli, empa e fokotsa lebelo la ho itšeha. E loketse bakeng sa lisebelisoa tse nang le marako a masesaane kapa a boreleli.
- Meno a fokolang:E lumella ho poma ka potlako, le ho feta ka mokhoa o matla haholoanyane oa ho tlosa chip. E loketse bakeng sa lisebelisoa tse teteaneng, tse tiileng.
- Bore (Sekoti sa Arbor):Sekoti se bohareng se tlameha ho ts'oana hantle le seluloana sa mochini oa sakha ho etsa bonnete ba ho lekana le ho potoloha ho tsitsitseng.
4. Saense ea Khetho: Sesebelisoa sa Blade le Parameter
Ho lumellana hantle le lehare le li-parameter tsa ho itšeha ho thepa ke ntho e le 'ngoe ea bohlokoa ka ho fetisisa ea ho finyella liphello tse ntle.
(1) Ho Khetha Tlhaloso e nepahetseng ea Letlapa
Khetho ea bophara ba lehare le palo ea meno e amana ka ho toba le bophara ba thepa le mohlala oa mochine oa ho roka. Papali e sa nepahalang e lebisa ho se sebetseng hantle, boleng bo tlase ba sehiloeng, le tšenyo e ka bang teng ho lehare kapa mochini.
Se latelang se fana ka tataiso e akaretsang ea ts'ebeliso e ipapisitseng le maemo a indasteri:
| Material Diameter (Bar Stock) | E khothalelitsoeng Blade Diameter | Mofuta oa Mochini o Loketseng |
|---|---|---|
| 20 - 55 limilimithara | 285 limilimithara | Mofuta oa 70 |
| 75 - 100 limilimithara | 360 limilimithara | Mofuta oa 100 |
| 75 - 120 limilimithara | 425 limilimithara | 120 Mofuta |
| 110 - 150 limilimithara | 460 limilimithara | Mofuta oa 150 |
| 150 - 200 limilimithara | 630 limilimithara | Mofuta oa 200 |
Mokhoa oa ho sebelisa:Ho sebelisa lehare le lenyenyane haholo bakeng sa workpiece ho tla senya mochine le lehare, ha lehare le leholo ka ho fetisisa le sa sebetse hantle 'me le ka lebisa ho thothomela. Mofuta oa mochini o tsamaisana le matla, ho tiea, le bokhoni bo hlokahalang ho khanna boholo ba lehare le fanoeng.
(2) Ho Ntlafatsa Mekhahlelo ea ho Seha
Ho khetha e nepahetsenglebelo la ho potoloha (RPM)lesekhahla sa phepeloe bohlokoa bakeng sa ho ntlafatsa bophelo ba lisebelisoa le ho fumana boleng ba boleng. Mekhahlelo ena e itšetlehile ka ho feletseng ka thepa e khaotsoeng. Lisebelisuoa tse thata, tse senyang haholo li hloka lebelo le fokolang le litefiso tse tlaase tsa lijo.
Tafole e latelang, e nkiloeng ho data ea indasteri bakeng sa 285mm le 360mm blades, e fana ka tšupiso bakeng saLebelo la LinearleFepa ka Leino.
| Mofuta oa Boitsebiso | Lisebelisoa tsa Mohlala | Lebelo la Linear (m/min) | Fepa ka Leino (mm/leino) | RPM e khothalelitsoeng (285mm / 360mm Blade) |
|---|---|---|---|---|
| Tšepe ea Khabone e tlase | 10#, 20#, Q235, A36 | 120 - 140 | 0.04 - 0.10 | 130-150 / 110-130 |
| Ho Bearing Steel | GCr15, 100CrMoSi6-4 | 50-60 | 0.03 - 0.06 | 55-65 / 45-55 |
| Tool & Die Steel | SKD11, D2, Cr12MoV | 40-50 | 0.03 - 0.05 | 45-55 / 35-45 |
| Ts'epe e sa beng le mabali | 303, 304 | 60-70 | 0.03 - 0.05 | 65-75 / 55-65 |
Melao-motheo ea Bohlokoa:
- Lebelo la Linear (Lebelo la Bokahohle):Ena ke ntho e sa fetoheng e amanang le RPM le bophara ba lehare. Hore lehare le leholoanyane le boloke lebelo le tšoanang la mola, RPM ea lona e tlameha ho ba tlase. Ke ka lebaka leo lehare la 360mm le nang le likhothaletso tse tlase tsa RPM.
- Fepa ka Leino:Sena se lekanya palo ea lintho tse sebelisoang ke leino ka leng. Bakeng sa lisebelisoa tse thata joalo ka tšepe ea lisebelisoa (SKD11), sekhahla sa phepelo se tlase haholo se bohlokoa ho thibela malebela a carbide ho tsoa tlas'a khatello e matla. Bakeng sa tšepe e nang le khabone e tlase (Q235), sekhahla se phahameng sa phepelo se ka sebelisoa ho eketsa ts'ebetso ea ho itšeha.
- Ts'epe e sa beng le mabali:Boitsebiso bona ke "gummy" le mokhanni oa mocheso o futsanehileng. Mabelo a butle-butle aa hlokahala ho thibela ho thatafala ha mosebetsi le mocheso o feteletseng oa mocheso moeling oa ho itšeha, o ka senyang lehare kapele.
5. Ho Tšoaroa le Tlhokomelo: Ho tšoaea, ho paka, le ho boloka
Nako e telele le ts'ebetso ea lehare la sakha le tsona li ipapisitse le ho ts'oaroa le polokelo ea eona, e lokelang ho latela litekanyetso tse kang GB/T 191.
- Ho tšoaea:Lehare le leng le le leng le tlameha ho tšoauoa ka ho hlaka ka litlhaloso tsa lona tsa bohlokoa: litekanyo (diameter x botenya x bore), palo ea meno, moetsi, le RPM e sireletsehileng haholo. Sena se tiisa boitsebiso bo nepahetseng le tšebeliso e sireletsehileng.
- Sephutheloana:Li-blades li tlameha ho phutheloa ka mokhoa o sireletsehileng ho sireletsa meno a senyehileng a carbide hore a se ke a ama nakong ea lipalangoang. Hangata sena se kopanyelletsa mabokose a tiileng, lintho tse arolang lehare, le likoahelo tse sireletsang meno.
- Polokelo:Ho boloka ka nepo ho bohlokoa ho thibela tšenyo le ho bola.
- Tikoloho:Boloka li-blade sebakeng se hloekileng, se omileng, se laoloang ke boemo ba leholimo (thempereichara e khothalletsoang: 5-35°C, mongobo o lekanyelitsoeng:<75%).
- Boemo:Li-blades li lokela ho bolokoa ka mokhoa o otlolohileng (phatletse) kapa li fanyehiloe ka holimo holim'a liraka tse nepahetseng. Le ka mohla u se ke ua bokella li-blades holim'a tse ling, kaha sena se ka baka ho loana le ho senyeha ha leino.
- Tshireletso:Beha li-blades hole le lintho tse senyang le mehloling e tobileng ea mocheso.
Qetello: Bokamoso ba ho Koaheloa ha Cold Cutting
Ho kengoa ts'ebetsong ha litekanyetso tse felletseng tsa ts'ebeliso ke mohato oa bohlokoa ho ea pele indastering ea ts'ebetso ea tšepe. Ka ho fana ka moralo o hlakileng, oa mahlale bakeng sa moralo, khetho le ts'ebeliso ea li-blade tsa tšepe tse sehiloeng ka selikalikoe tse batang, litataiso tsena li matlafatsa likhoebo ho matlafatsa ts'ebetso ea ho itšeha, ho ntlafatsa boleng ba sehlahisoa le ho fokotsa litšenyehelo tsa ts'ebetso.
Ha mahlale a thepa le thekenoloji ea tlhahiso e ntse e tsoela pele ho fetoha, ha ho pelaelo hore litekanyetso tsena li tla nchafatsoa ho kenyelletsa tataiso bakeng sa li-alloys tse ncha, liphahlo tse tsoetseng pele tsa PVD, le lijeometri tse ncha tsa meno. Ka ho amohela litekanyetso tsena, indasteri e netefatsa bokamoso bo nepahetseng haholoanyane, bo sebetsang haholoanyane, le bo hlahisang litholoana haholoanyane.
Nako ea poso: Sep-29-2025

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