Uma onjiniyela nabathengi bechaza i-DIN 333 center drill, omunye wemibuzo evame kakhulu esiyitholayo uthi: "Uyini umehluko phakathi kohlobo A nohlobo B — futhi yiluphi engiludingayo ngempela?"
Umbuzo omuhle. Zombili izinhlobo zine-engeli efanayo ye-chamfer engu-60°, zilandela indinganiso efanayo ye-DIN 333, futhi zitholakala ngezinto ezifanayo. Kodwa kukhona umehluko wejometri obalulekile phakathi kwazo — onomthelela oqondile ekutheni imbobo yakho ephakathi ibambelela kahle kangakanani enqubweni yomshini.
Lo mhlahlandlela uchaza umehluko ngokucacile, ngamathebula okulinganisa e-DIN 333 kuzo zombili izinhlobo.
Iyini i-DIN 333 Center Drill?
I-drill ephakathi — ebizwa nangokuthi i-drill ehlanganisiwe kanye ne-countersink — isetshenziselwa ukudala imbobo eqondile engu-60° eqondile ekugcineni kwento yokusebenza ngaphambi kokujika phakathi kwezindawo ezisemaphakathini nge-lathe. Imbobo ephakathi inikeza indawo yokuhlala ezinzile yesikhungo sangemuva, okuqinisekisa ukugxila kanye nokunemba kwendawo kuyo yonke imisebenzi elandelayo yokujika, ukugaya, noma yokugaya.
I-DIN 333 iyindinganiso yesiJalimane (i-Deutsches Institut für Normung) elawula i-geometry, ubukhulu, kanye nokubekezelelana kwama-drill aphakathi angu-60°. Ichaza izinhlobo ezintathu: Uhlobo A, Uhlobo B, kanye nohlobo R. Lesi sihloko sigxile ezinhlotsheni ezimbili ezivame ukucaciswa: u-A no-B.
Umehluko Omkhulu: I-Chamfer Eyodwa vs. Emibili
Inkomba Esheshayo: Uhlobo A vs. Uhlobo B
| Uhlobo A (DIN 333-A) | Uhlobo B (DIN 333-B) | |
| I-geometry ye-chamfer | I-chamfer eyodwa engu-60° | Isivikelo se-chamfer esingu-60° + 120° |
| Ukuvikelwa komlomo wembobo | Akukho | Yebo — 120° ivikela ukungena |
| Ububanzi bomzimba (d2) | Okuncane | Okukhulu (kwe-d1 efanayo) |
| Ubude obuphelele (L1) | Okufushane | Isikhathi eside |
| Kuhle kakhulu | Ukuguqulwa okuvamile, ukusetshenziswa okusheshayo | Ama-op amaningi, isitoreji phakathi kwezigaba |
| Imfuneko yokunemba | Okujwayelekile | Indawo yokuhlala evikelekile ephezulu |
| Izinketho zezinto ezibonakalayo | M2, M35 | M2, M35 |
| Ukuqeda kobuso | Okukhanyayo / i-TiN | Okukhanyayo / i-TiN |
I-DIN 333 Uhlobo A — Ubukhulu Obujwayelekile
| d1 — Ububanzi be-pilot. (mm) | d2 — Ububanzi bomzimba. (mm) | L1 — Ubude obuphelele (mm) |
| 1.00 | 3.15 | 31.5 |
| 1.25 | 3.15 | 31.5 |
| 1.60 | 4.00 | 35.5 |
| 2.00 | 5.00 | 40.0 |
| 2.50 | 6.30 | 45.0 |
| 3.15 | 8.00 | 50.0 |
| 4.00 | 10.00 | 56.0 |
| 5.00 | 12.50 | 63.0 |
| 6.30 | 16.00 | 71.0 |
| 8.00 | 20.00 | 80.0 |
| 10.00 | 25.00 | 100.0 |
| 12.50 | 31.50 | 125.0 |
I-DIN 333 Uhlobo B — Ubukhulu Obujwayelekile
| d1 — Ububanzi be-pilot. (mm) | d2 — Ububanzi bomzimba. (mm) | L1 — Ubude obuphelele (mm) |
| 1.00 | 4.00 | 35.5 |
| 1.25 | 5.00 | 40.0 |
| 1.60 | 6.30 | 45.0 |
| 2.00 | 8.00 | 50.0 |
| 2.50 | 10.00 | 56.0 |
| 3.15 | 11.20 | 60.0 |
| 4.00 | 14.00 | 67.0 |
| 5.00 | 18.00 | 75.0 |
| 6.30 | 20.00 | 80.0 |
Izinketho Zezinto: M2 vs. M35
Zombili izinhlobo zokuprakthiza eziphakathi zohlobo A nohlobo B zitholakala ngamamaki amabili e-HSS. Ukukhetha izinto akuxhomekile ohlotsheni — kuncike ezintweni zokusebenza kanye nomthamo wokukhiqiza.
I-M2 HSS — Ibanga Elijwayelekile
I-M2 (HS6-5-2) iyizinga le-HSS elisetshenziswa kakhulu emhlabeni jikelele. Inikeza ukuqina okuhle, ukumelana nokuguguleka okuthembekile, kanye nokusebenza okuqhubekayo kuzo zonke izinto zokusebenza — insimbi ethambile, i-aluminium, insimbi ephonswe, ithusi, kanye nezinsimbi eziningi ezingezona i-ferrous. Ama-drill aphakathi e-M2 ayisinqumo esijwayelekile sezindawo zomshini ezijwayelekile.
I-M35 HSS-Co — Ibanga le-Cobalt Lezicelo Ezidinga Usizo
I-M35 (HS6-5-2-5, eyaziwa nangokuthi i-HSSCo5) inezela i-cobalt engu-5% esisekelweni se-M2. Lokhu kuphakamisa ukumelana nokushisa kufike cishe ku-630–650°C futhi kwandisa ubulukhuni bufike ku-63–66 HRC. I-M35 iyizinga elikhethwayo uma kufakwa insimbi engagqwali phakathi, insimbi ye-alloy, noma ezinye izinto ezilukhuni ukukhiqizwa ngomshini, noma ekukhiqizweni komthamo omkhulu lapho impilo yamathuluzi ibaluleke kakhulu.
Izinketho Zokuqeda Okuphezulu
Indlela Yokukhetha: Umhlahlandlela Wezinqumo Ezisebenzayo
Uma ubeka phakathi nendawo umsebenzi ozophendulwa ngokushesha kusethingi efanayo, Uhlobo A luyisinqumo esifanele. Lulula, lufushane kancane, futhi luhlanganisa iningi lezinhlelo zokusebenza ezijwayelekile zokubeka phakathi kwe-lathe.
Uma inqubo yakho ihilela noma yikuphi kwalokhu okulandelayo, chaza Uhlobo B:
• Umsebenzi uhamba phakathi kwemishini noma ushintsha phakathi kokusebenza
• Izingxenye zigcinwa noma ziphathwe ngemva kokufakwa phakathi nendawo nangaphambi kokujika kokugcina
• Ukubekezelelana kwakho kudinga i-geometry yembobo ephakathi ehambisanayo, ephindaphindekayo phakathi nomjikelezo wokukhiqiza
• Usebenza ngemiphini eqondile lapho ukugeleza kwamanzi okuvela emgodini ophakathi owonakele kungamukeleki khona
Uma ungabaza, uhlobo B luyindlela ephephile yokucacisa. I-chamfer yokuvikela eyengeziwe ayifaki ubunzima ekusebenzeni kokubhoboza uqobo — imane iqinisekisa ukuthi indawo yokuhlala ihlala ingashintshi.
Lokho Okunikezwa Amathuluzi eJiacheng
KwaJiacheng Tools, sakha ama-drill e-DIN 333 centre kokubili Uhlobo A nohlobo B, atholakala ngezinto ze-M2 kanye ne-M35 ezine-coating ekhanyayo noma ye-TiN. Zonke izi-drill eziphakathi zigcwele ngo-100% kusukela ku-solid bar stock, ezinokubekezelelana komzimba okungu-h7, kuzo zonke izilinganiso zokuhlola kusukela ku-1.00mm kuya ku-12.50mm (Uhlobo A) kanye no-1.00mm kuya ku-6.30mm (Uhlobo B).
I-OEM kanye nelebula yangasese iyatholakala. Sisebenzisana nabasabalalisi emhlabeni wonke emikhakheni yokuhlinzeka ngezimoto, izindiza, ubunjiniyela obujwayelekile, kanye namathuluzi. Uma udinga ukuqinisekisa imininingwane, ucele isampula, noma uxoxe ngebanga losayizi elenziwe ngokwezifiso, xhumana nethimba lethu ku-joeyzhu@jiachengtoolsco.comnoma vakashelawww.jiachengtoolsco.com.
Isikhathi sokuthunyelwe: Ephreli-29-2026