Mainjiniya ndi ogula akamatchula chobowolera cha DIN 333 pakati, funso limodzi lofala kwambiri lomwe timalandira ndi lakuti: "Kodi kusiyana pakati pa Mtundu A ndi Mtundu B ndi kotani — ndipo ndi uti kwenikweni amene ndikufunikira?"
Ndi funso labwino. Mitundu yonse iwiri ili ndi ngodya yofanana ya 60° chamfer, imatsatira muyezo womwewo wa DIN 333, ndipo imapezeka muzinthu zomwezo. Koma pali kusiyana kwakukulu pakati pawo - komwe kumakhudza mwachindunji momwe dzenje lanu lapakati limagwirira ntchito panthawi yonse yopangira makina.
Bukuli likufotokoza bwino kusiyana kwake, ndi matebulo a DIN 333 a mitundu yonse iwiri.
Kodi DIN 333 Center Drill ndi chiyani?
Bowo lapakati — lomwe limatchedwanso kubowola kophatikizana ndi sinki yopingasa — limagwiritsidwa ntchito kupanga dzenje lolunjika la 60° kumapeto kwa chogwirira ntchito musanatembenuze pakati pa malo pogwiritsa ntchito lathe. Dzenje lapakati limapereka malo okhazikika okhala pakati pa tailstock, kuonetsetsa kuti malo ake ndi olondola panthawi yonse yotembenuza, kupukuta, kapena kugaya.
DIN 333 ndi muyezo wa ku Germany (Deutsches Institut für Normung) womwe umalamulira mawonekedwe, miyeso, ndi kulekerera kwa ma drill apakati a 60°. Umatanthauzira mitundu itatu: Mtundu A, Mtundu B, ndi Mtundu R. Nkhaniyi ikuyang'ana kwambiri mitundu iwiri yomwe imatchulidwa kwambiri: A ndi B.
Kusiyana Kwakukulu: Chamfer Imodzi vs. Awiri
Chidule Chachidule: Mtundu A vs. Mtundu B
| Mtundu A (DIN 333-A) | Mtundu B (DIN 333-B) | |
| Jiometri ya Chamfer | Chophimba chimodzi cha 60° | Chitetezo cha 60° chamfer + 120° |
| Chitetezo pakamwa pa dzenje | Palibe | Inde — 120° imateteza kulowa |
| Chidutswa cha thupi (d2) | Chaching'ono | Yaikulu (ya d1 yomweyi) |
| Kutalika konse (L1) | Waufupi | Yaitali |
| Zabwino kwambiri pa | Kutembenuza konsekonse, kugwiritsa ntchito nthawi yomweyo | Kusunga zinthu zambiri, pakati pa magawo |
| Chofunikira cholondola | Muyezo | Malo okhala otetezedwa kwambiri |
| Zosankha zakuthupi | M2, M35 | M2, M35 |
| Kumaliza pamwamba | Bright / TiN | Bright / TiN |
DIN 333 Mtundu A — Miyeso Yokhazikika
| d1 — Dia ya Pilot. (mm) | d2 — Thupi la dia. (mm) | L1 — Kutalika konse (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 |
DIN 333 Mtundu B — Miyeso Yokhazikika
| d1 — Dia ya Pilot. (mm) | d2 — Thupi la dia. (mm) | L1 — Kutalika konse (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 |
Zosankha Zazinthu: M2 vs. M35
Ma drill apakati a Type A ndi Type B amapezeka m'magawo awiri a HSS. Kusankha kwa zipangizo sikudalira mtundu wake - zimatengera chipangizo chogwirira ntchito komanso kuchuluka kwa kupanga.
M2 HSS — Giredi Yokhazikika
M2 (HS6-5-2) ndi mtundu wa HSS womwe umagwiritsidwa ntchito kwambiri padziko lonse lapansi. Umapereka kulimba kwabwino, kukana kuvala modalirika, komanso magwiridwe antchito okhazikika pazinthu zosiyanasiyana zogwirira ntchito — chitsulo chofewa, aluminiyamu, chitsulo chosungunuka, mkuwa, ndi zitsulo zambiri zopanda chitsulo. Zobowola zapakati pa M2 ndiye chisankho chodziwika bwino pamakina onse.
M35 HSS-Co — Cobalt Giredi ya Mapulogalamu Ovuta
M35 (HS6-5-2-5, yomwe imadziwikanso kuti HSSCo5) imawonjezera 5% ya cobalt ku maziko a M2. Izi zimapangitsa kuti kutentha kusamavutike kufika pafupifupi 630–650°C ndipo kumawonjezera kuuma kufika pa 63–66 HRC. M35 ndiye mtundu womwe umakondedwa kwambiri poika chitsulo chosapanga dzimbiri pakati, chitsulo chosakanikirana, kapena zipangizo zina zovuta kupanga makina, kapena popanga zinthu zambiri zomwe zimakhala ndi moyo wautali pomwe zida zimakhala zofunika kwambiri.
Zosankha Zomaliza Pamwamba
Momwe Mungasankhire: Buku Lothandiza Lopangira Zisankho
Ngati mukuyika pakati pa workpiece yomwe idzatembenuzidwa nthawi yomweyo mu dongosolo lomwelo, Mtundu A ndiye chisankho choyenera. Ndi wosavuta, wamfupi pang'ono, ndipo umakhudza ntchito zambiri zokhazikika za lathe centering.
Ngati njira yanu ikukhudza chilichonse mwa izi, tchulani Mtundu B:
• Chogwirira ntchito chimayenda pakati pa makina kapena kusinthana pakati pa ntchito
• Zigawo zimasungidwa kapena kusamalidwa pambuyo poziika pakati komanso musanazitembenuze komaliza.
• Kulekerera kwanu kumafuna mawonekedwe okhazikika komanso obwerezabwereza a dzenje lapakati pa ntchito yonse.
• Mukugwira ntchito ndi ma shaft olondola kumene madzi otuluka m'bowo lapakati lomwe lawonongeka saloledwa.
Ngati mukukayikira, Mtundu B ndiye njira yotetezeka kwambiri. Chotetezera chowonjezera sichiwonjezera zovuta pa ntchito yobowola yokha - chimangotsimikizira kuti malo okhala amakhalabe bwino.
Zimene Jiacheng Tools Imapereka
Ku Jiacheng Tools, timapanga zobowola zapakati za DIN 333 mu mtundu wa A ndi mtundu wa B, zomwe zimapezeka mu zipangizo za M2 ndi M35 zokhala ndi zokutira zowala kapena za TiN. Zobowola zonse zapakati zimakhala zodzaza ndi nthaka 100% kuchokera ku solid bar stock, zokhala ndi thupi lotha kupirira h7, kudutsa mainchesi a pilot kuyambira 1.00mm mpaka 12.50mm (Mtundu wa A) ndi 1.00mm mpaka 6.30mm (Mtundu wa B).
Pali zinthu zopangidwa ndi OEM ndi zachinsinsi. Timagwira ntchito ndi ogulitsa padziko lonse lapansi m'magawo osiyanasiyana monga magalimoto, ndege, uinjiniya, ndi zida. Ngati mukufuna kutsimikizira zomwe mukufuna, pemphani chitsanzo, kapena kukambirana za kukula kwanu, funsani gulu lathu pa adilesi iyi.joeyzhu@jiachengtoolsco.comkapena pitaniwww.jiachengtoolsco.com.
Nthawi yotumizira: Epulo-29-2026