Isingeniso ku-1.2379 Tool Steel
Insimbi yamathuluzi engu-1.2379, eyaziwa emhlabeni jikelele njengensimbi ye-D2, iyithuluzi lensimbi elibandayo elinekhabhoni ephezulu, elinohlobo lwe-chromium ephezulu, elidume ngokumelana nokuguguleka kwalo okumangalisayo, amandla aphezulu okucindezela, kanye nokuqina okuhle kakhulu kobukhulu. Isetshenziswa kabanzi ezinhlotsheni ezahlukene zamathuluzi okufaka phakathi ama-blanking dies, ama-punching, ama-shear blades, kanye namathuluzi okwakha.
At I-SAKYSTEEL, singochwepheshe ekuhlinzekeni ngensimbi yamathuluzi engu-1.2379 kubha eyindilinga, ibha eyisicaba, kanye namabhulokhi akhiwe ngekhwalithi eqinisekisiwe kanye nokwakheka kwamakhemikhali okunembile. Kulesi sihloko, sinikeza ukuhlaziywa okuphelele kwempahla yamakhemikhali neyemishini yensimbi engu-1.2379 futhi sihlola ukwelashwa kwayo ngokushisa, ukusetshenziswa kwayo, kanye nokuqhathaniswa nezinye izinsimbi zamathuluzi.
Ukwakheka Kwamakhemikhali Kwensimbi Yethuluzi engu-1.2379 (I-DIN Standard)
Ukwakheka kwamakhemikhali kuyisisekelo sezakhiwo zemishini kanye nokwelashwa kokushisa kwensimbi yamathuluzi. Ngokusho kwe-DIN EN ISO 4957, ukwakheka kwamakhemikhali okujwayelekile kwensimbi yamathuluzi engu-1.2379 (D2) kungokulandelayo:
| Isici | Okuqukethwe (%) |
|---|---|
| Ikhabhoni (C) | 1.50 – 1.60 |
| I-Chromium (Cr) | 11.00 – 13.00 |
| I-Molybdenum (Mo) | 0.70 – 1.00 |
| I-Vanadium (V) | 0.80 – 1.20 |
| I-Manganese (Mn) | 0.15 – 0.45 |
| I-Silicon (Si) | 0.10 – 0.60 |
| I-Phosphorus (P) | ≤ 0.03 |
| I-Sulfur (S) | ≤ 0.03 |
Amaphuzu Avelele Amakhemikhali Abalulekile:
- Okuqukethwe Okuphezulu Kwe-Chromium (11-13%)kuthuthukisa ukugqwala kanye nokumelana nokuguguleka.
- I-Vanadium (0.8–1.2%)kuthuthukisa ukuhluzwa kokusanhlamvu futhi kuthuthukisa impilo yamathuluzi.
- Ikhabhoni (1.5%)inikeza ubulukhuni obukhulu ngemva kokwelashwa ngokushisa.
Lezi zinto ezihlanganisayo zakha inethiwekhi eqinile ye-carbide esakhiweni esincane, okwandisa kakhulu impilo yamathuluzi ezindaweni ezivame ukuguguleka.
Izakhiwo Zemishini Zensimbi Yamathuluzi engu-1.2379
| Impahla | Inani Elijwayelekile (Elihlanganisiwe) | Isimo Esiqinile |
|---|---|---|
| Ubulukhuni | ≤ 255 HB | 58 – 62 HRC |
| Amandla Okudonsa | 700 – 950 MPa | Kufika ku-2000 MPa |
| Amandla Okucindezela | - | Phezulu |
| Ukuqina Komthelela | Okumaphakathi | Okumaphakathi |
Amanothi:
- Ngemva kokwelashwa kokushisa nokushisa, insimbi ifinyelela amazinga obulukhuni aphezulu afinyelela ku-62 HRC.
- Igcina ubulukhuni bufika ku-425°C, okwenza ifaneleke ukusetshenziswa kwemithwalo ephezulu kanye nesivinini esikhulu.
Ukwelashwa Kokushisa Kwensimbi Yethuluzi engu-1.2379 / D2
Inqubo yokwelapha ukushisa ithonya kakhulu ukusebenza kwensimbi yamathuluzi e-D2.
1. Ukufakwa kwe-Annealing
- Izinga lokushisa:850 – 900°C
- Ukupholisa:Isithando somlilo sipholile ngo-10°C/ihora kuya ku-600°C, bese sipholile ngomoya.
- Inhloso:Ukunciphisa ukucindezeleka kwangaphakathi nokulungiselela ukukhanda.
2. Ukuqinisa
- Shisisa:650 – 750°C
- Ukuqinisa:1000 – 1040°C
- Ukucima:Umoya, i-vacuum noma uwoyela
- Qaphela:Gwema ukushisa ngokweqile okungabangela ukujiya kwezinhlamvu.
3. Ukulinganisela
- Ibanga Lokushisa:150 – 550°C
- Imijikelezo:Ngokuvamile imijikelezo emibili noma emithathu yokushisa
- Ukuqina Kokugcina:58 – 62 HRC kuye ngokushisa
Inqubo yokuzilungisa iqinisekisa ukuqina futhi inciphisa ukuphuka ngemva kokucinywa.
Ukusetshenziswa kwe-1.2379 Tool Steel
Insimbi yamathuluzi engu-1.2379 isetshenziswa kabanzi ku:
- Ukuvala nokushaya izinduku
- Intambo egoqayo idayi
- Ukufa kwe-cold extrusion
- Amathuluzi okwakha nokufaka isitembu
- Izikhunta zepulasitiki ezidinga ukumelana nokuguguleka okuphezulu
- Imimese yezimboni kanye nama-blade
Ngenxa yokumelana kwayo nokuguguleka okuphezulu kanye nokugcinwa kwayo emaphethelweni, i-1.2379 ifaneleka kakhulu ekusebenzeni isikhathi eside kokukhiqiza kanye nokusebenza kokucindezela okuphezulu.
Ukuqhathaniswa nezinye izinsimbi zamathuluzi
| Ibanga Lensimbi | Ukumelana Nokugqoka | Ukuqina | Ibanga Lokuqina (HRC) | Ukumelana Nokugqwala |
|---|---|---|---|---|
| 1.2379 / D2 | Phezulu Kakhulu | Okuphakathi nendawo | 58–62 | Okuphakathi nendawo |
| A2 | Phezulu | Phezulu | 57–61 | Phansi |
| O1 | Okumaphakathi | Phezulu | 57–62 | Phansi |
| I-M2 (i-HSS) | Phezulu Kakhulu | Okuphakathi nendawo | 62–66 | Okuphakathi nendawo |
I-SAKYSTEELonjiniyela bavame ukuncoma u-1.2379 lapho ukusebenzisa amathuluzi kudinga kokubili ukuzinza okulinganayo kanye nokumelana nokuguguleka ekukhiqizeni okuphezulu.
Ukushisela kanye Nokusebenza Kahle
I-1.2379 ayinconywa ukushisela ngenxa yokuqukethwe kwayo okuphezulu kwekhabhoni kanye nengozi yokuqhekeka. Uma ukushisela kungenakugwenywa:
- Sebenzisa ama-electrode angena-hydrogen ephansi
- Shisisa ku-250–300°C
- Ukwelashwa kokushisa ngemva kokushiswa kuyimfuneko
Ukusebenziseka kalula:
Umshini wokugaya ongu-1.2379 esimweni sawo esifakwe emanzini kulula kunangemva kokuqina. Amathuluzi e-Carbide ayanconywa ngenxa yokuba khona kwama-carbide aqinile.
Ukwelashwa Okungaphezulu
Ukuze kuthuthukiswe ubulukhuni bomphezulu kanye nokumelana nokugqwala, insimbi yamathuluzi engu-1.2379 ingabhekana nalokhu:
- Ukuhlanza nge-nitriding
- Ukugqoka kwe-PVD (TiN, CrN)
- I-chrome plating eqinile
Lokhu kwelashwa kwandisa isikhathi sokuphila kwamathuluzi, ikakhulukazi ezisetshenziswayo ezicindezela kakhulu.
Amafomu Nobukhulu Obutholakalayo
| Ifomu | Ububanzi Bosayizi Obutholakalayo |
|---|---|
| Ibha Eyindilinga | Ø 20 mm – 400 mm |
| Ibha Eyisicaba/Ipuleti | Ubukhulu 10 mm – 200 mm |
| Ibhulokhi Ehlanganisiwe | Osayizi Abangokwezifiso |
| Indawo Eqondile | Uma ucela |
Sinikeza izinsizakalo zokusika nokushisa ezenzelwe wena ngokwezidingo zephrojekthi.
Izindinganiso Ezilinganayo ze-1.2379 Insimbi Yamathuluzi
| Izwe | Okujwayelekile / Ibanga |
|---|---|
| IJalimane | I-DIN 1.2379 |
| I-USA | I-AISI D2 |
| I-Japan | I-JIS SKD11 |
| UK | I-BS BH21 |
| IFrance | I-Z160CDV12 |
| I-ISO | I-X153CrMoV12 |
Lokhu kufana kuvumela ukutholakala kwale nto emhlabeni wonke ngekhwalithi efanayo.
Isiphetho: Kungani Ukhethe Insimbi Yamathuluzi engu-1.2379?
Insimbi yamathuluzi engu-1.2379 / D2 iyisinqumo se-premium sezinhlelo zokusebenza zamathuluzi ezisebenza kahle ngenxa yalokhu:
- Ukumelana nokuguguleka okuphezulu
- Ukuqina kobukhulu ngesikhathi sokwelashwa kokushisa
- Ukuqina okuhle kakhulu
- Uhla olubanzi lokusetshenziswa kwezimboni
Ezimbonini ezifuna ukuqina, ukunemba, kanye namathuluzi angabizi kakhulu, i-1.2379 isalokhu iyizinga lensimbi elithembekile. Kungakhathaliseki ukuthi ikhiqizwa ngodayi noma iklanywa ngokubandayo, isebenza njalo ngaphansi kwengcindezi.
At I-SAKYSTEEL, siqinisekisa insimbi yamathuluzi engu-1.2379 esezingeni eliphezulu enokwakheka kwamakhemikhali okunembile kanye nokubekezelelana okuqinile. Xhumana nathi ukuze uthole ukutholakala kwesitoko, amanani, kanye nezinsizakalo zomshini ezenziwe ngokwezifiso.
Imibuzo Evame Ukubuzwa Mayelana ne-1.2379 Tool Steel
Q1: Buyini ubulukhuni obukhulu obungu-1.2379 ngemva kokwelashwa ngokushisa?
A: Kufika ku-62 HRC kuye ngenqubo yokucima nokulungisa.
Umbuzo 2: Ingabe i-1.2379 ingasetshenziswa ezimweni zokusebenza ezishisayo?
A: Cha, yenzelwe izinhlelo zokusebenza ezibandayo.
Q3: Ingabe insimbi ye-D2 inamandla kazibuthe?
A: Yebo, esimweni sayo sokuqina, inamandla e-ferromagnetic.
Umbuzo 4: Yiziphi ezinye izindlela ezivamile esikhundleni se-1.2379?
A: Izinsimbi zamathuluzi ze-A2 ne-M2 zivame ukusetshenziswa kuye ngokuthi ziqine kangakanani noma zishisa kangakanani.
Isikhathi sokuthunyelwe: Juni-25-2025