{"id":5849,"date":"2025-12-25T03:25:27","date_gmt":"2025-12-25T03:25:27","guid":{"rendered":"https:\/\/korea-transmission.com\/?p=5849"},"modified":"2025-12-25T03:26:30","modified_gmt":"2025-12-25T03:26:30","slug":"din-7991-countersunk-hex-socket-screws-specs-torque","status":"publish","type":"post","link":"https:\/\/korea-transmission.com\/tr\/blog\/din-7991-countersunk-hex-socket-screws-specs-torque\/","title":{"rendered":"DIN 7991 Hav\u015fa Ba\u015fl\u0131 Alt\u0131gen Soket Vidalar\u0131n \u00d6zellikleri ve Tork De\u011ferleri"},"content":{"rendered":"
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girii\u015f<\/h2>\n

DIN 7991 standard\u0131, genellikle d\u00fcz ba\u015fl\u0131 alt\u0131gen soketli vidalar olarak bilinen, hav\u015fa ba\u015fl\u0131 alt\u0131gen soketli kapak vidalar\u0131n\u0131 belirtir. Bu ba\u011flant\u0131 elemanlar\u0131, e\u015fle\u015fen par\u00e7an\u0131n y\u00fczeyiyle ayn\u0131 hizada veya alt\u0131nda bulunan 90 derecelik konik bir ba\u015fl\u0131\u011fa sahiptir ve \u00e7\u0131k\u0131nt\u0131n\u0131n en aza indirilmesi gereken uygulamalar i\u00e7in ideal, temiz ve aerodinamik bir profil sa\u011flar. \u0130\u00e7ten alt\u0131gen tahrik, harici anahtarlama \u00f6zelliklerine gerek kalmadan y\u00fcksek tork iletimine olanak tan\u0131yarak g\u00fcvenli\u011fi art\u0131r\u0131r ve kurcalama riskini azalt\u0131r.<\/p>\n

Bu vidalar, dar alanlarda g\u00fc\u00e7l\u00fc ve g\u00fcvenilir ba\u011flant\u0131lar sa\u011flama yetenekleri nedeniyle makine m\u00fchendisli\u011fi, havac\u0131l\u0131k, otomotiv ve kal\u0131p\u00e7\u0131l\u0131k end\u00fcstrilerinde yayg\u0131n olarak kullan\u0131lmaktad\u0131r. So\u011fuk d\u00f6vme ve di\u015f a\u00e7ma i\u015flemleriyle \u00fcretilen bu vidalar, y\u00fcksek hassasiyet ve tutarl\u0131l\u0131k sa\u011flar. Bu k\u0131lavuz, m\u00fchendislerin se\u00e7im, kurulum ve kalite g\u00fcvencesinde yard\u0131mc\u0131 olmak amac\u0131yla DIN 7991 ve ISO 10642 gibi ilgili ISO standartlar\u0131ndan yararlanarak standart boyutlar\u0131, malzeme bile\u015fimlerini, mekanik \u00f6zelliklerini ve tork \u00f6nerilerini detayland\u0131rmaktad\u0131r.<\/p>\n

Bu \u00f6zelliklerin anla\u015f\u0131lmas\u0131, yap\u0131sal b\u00fct\u00fcnl\u00fc\u011f\u00fcn sa\u011flanmas\u0131 i\u00e7in \u00e7ok \u00f6nemlidir; zira yanl\u0131\u015f boyutland\u0131rma veya torklama, y\u00fck alt\u0131nda ba\u011flant\u0131 ar\u0131zas\u0131na yol a\u00e7abilir. Malzeme kalitesi, di\u015f aral\u0131\u011f\u0131 ve y\u00fczey i\u015fleme gibi fakt\u00f6rler performans\u0131 etkiler ve standartlara uyulmas\u0131, kritik montajlarda riskleri en aza indirir.<\/p>\n

Boyutlar ve \u00d6zellikler<\/h2>\n

DIN 7991, de\u011fi\u015ftirilebilirlik ve uyum sa\u011flamak i\u00e7in hav\u015fa ba\u015fl\u0131 alt\u0131gen soket vidalar i\u00e7in hassas boyut toleranslar\u0131n\u0131 tan\u0131mlar. Temel parametreler aras\u0131nda nominal \u00e7ap (d), ad\u0131m (p), ba\u015f \u00e7ap\u0131 (dk), ba\u015f y\u00fcksekli\u011fi (k), soket boyutu (s) ve hav\u015fa a\u00e7\u0131s\u0131 (tipik olarak 90\u00b0-92\u00b0) bulunur. Uzunluklar k\u0131sadan uzuna de\u011fi\u015fir ve tam veya k\u0131smi di\u015f a\u00e7ma se\u00e7enekleri mevcuttur. A\u015fa\u011f\u0131daki tablo, do\u011frulanm\u0131\u015f DIN 7991 verilerine dayanarak M3 ila M24 boyutlar\u0131 i\u00e7in standart boyutlar\u0131 \u00f6zetlemektedir. M22 ve M24 gibi daha b\u00fcy\u00fck boyutlar i\u00e7in hav\u015fa a\u00e7\u0131s\u0131n\u0131n 90\u00b0-92\u00b0 olarak kald\u0131\u011f\u0131n\u0131 ve standart d\u0131\u015f\u0131 kaynaklardan kaynaklanabilecek olas\u0131 yanl\u0131\u015f anlamalar\u0131 d\u00fczeltti\u011fini unutmay\u0131n.<\/p>\n

Bu boyutlar, ba\u015fl\u0131\u011f\u0131n hav\u015fa deli\u011fine tamamen g\u00f6m\u00fclmesini sa\u011flayarak, g\u00f6mme montaj\u0131 kolayla\u015ft\u0131r\u0131r. M\u00fchendisler, bo\u015fluk veya giri\u015fimden ka\u00e7\u0131nmak i\u00e7in hav\u015fa \u00e7aplar\u0131n\u0131n dk max de\u011ferleriyle e\u015fle\u015fti\u011fini do\u011frulamal\u0131d\u0131r. Aksi belirtilmedik\u00e7e toleranslar s\u0131n\u0131f 10.9 veya e\u015fde\u011feridir.<\/p>\n

\n
\n
\n
<\/div>\n<\/div>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Nominal \u00c7ap d<\/th>\nM3<\/th>\nM4<\/th>\nM5<\/th>\nM6<\/th>\nM8<\/th>\nM10<\/th>\nM12<\/th>\nM14<\/th>\nM16<\/th>\nM18<\/th>\nM20<\/th>\nM22<\/th>\nM24<\/th>\n<\/tr>\n
Pitch p<\/th>\n0.5<\/td>\n0.7<\/td>\n0.8<\/td>\n1<\/td>\n1.25<\/td>\n1.5<\/td>\n1.75<\/td>\n2<\/td>\n2<\/td>\n2.5<\/td>\n2.5<\/td>\n2.5<\/td>\n3<\/td>\n<\/tr>\n
Uzunluk Aral\u0131\u011f\u0131 l<\/th>\n8-40<\/td>\n8-40<\/td>\n10-60<\/td>\n12-60<\/td>\n16-100<\/td>\n20-100<\/td>\n25-100<\/td>\n25-100<\/td>\n30-100<\/td>\n30-100<\/td>\n30-100<\/td>\n35-100<\/td>\n35-100<\/td>\n<\/tr>\n
Kafa \u00c7ap\u0131 dk<\/th>\nmaksimum<\/th>\n6<\/td>\n8<\/td>\n10<\/td>\n12<\/td>\n16<\/td>\n20<\/td>\n24<\/td>\n27<\/td>\n30<\/td>\n33<\/td>\n36<\/td>\n36<\/td>\n39<\/td>\n<\/tr>\n
dakika<\/th>\n5.7<\/td>\n7.64<\/td>\n9.64<\/td>\n11.57<\/td>\n15.57<\/td>\n19.48<\/td>\n23.48<\/td>\n26.48<\/td>\n29.48<\/td>\n32.38<\/td>\n35.38<\/td>\n35.38<\/td>\n38.38<\/td>\n<\/tr>\n
Soket Boyutu s<\/th>\nnominal<\/th>\n2<\/td>\n2.5<\/td>\n3<\/td>\n4<\/td>\n5<\/td>\n6<\/td>\n8<\/td>\n10<\/td>\n10<\/td>\n12<\/td>\n12<\/td>\n14<\/td>\n14<\/td>\n<\/tr>\n
maksimum<\/th>\n2.1<\/td>\n2.6<\/td>\n3.1<\/td>\n4.12<\/td>\n5.14<\/td>\n6.14<\/td>\n8.175<\/td>\n10.175<\/td>\n10.175<\/td>\n12.212<\/td>\n12.212<\/td>\n14.212<\/td>\n14.212<\/td>\n<\/tr>\n
dakika<\/th>\n2.02<\/td>\n2.52<\/td>\n3.02<\/td>\n4.02<\/td>\n5.02<\/td>\n6.02<\/td>\n8.025<\/td>\n10.025<\/td>\n10.025<\/td>\n12.032<\/td>\n12.032<\/td>\n14.032<\/td>\n14.032<\/td>\n<\/tr>\n
Ba\u015f Y\u00fcksekli\u011fi k<\/th>\nmaksimum<\/th>\n1.2<\/td>\n1.8<\/td>\n2.3<\/td>\n2.5<\/td>\n3.5<\/td>\n4.4<\/td>\n4.6<\/td>\n4.8<\/td>\n5.3<\/td>\n5.5<\/td>\n5.9<\/td>\n8.8<\/td>\n10.3<\/td>\n<\/tr>\n
dakika<\/th>\n0.95<\/td>\n1.55<\/td>\n2.05<\/td>\n2.25<\/td>\n3.2<\/td>\n4.1<\/td>\n4.3<\/td>\n4.5<\/td>\n5<\/td>\n5.2<\/td>\n5.6<\/td>\n8.44<\/td>\n9.87<\/td>\n<\/tr>\n
Hav\u015fa A\u00e7\u0131s\u0131 \u03b1<\/th>\nmaksimum<\/th>\n92\u00b0<\/td>\n92\u00b0<\/td>\n<\/tr>\n
dakika<\/th>\n90\u00b0<\/td>\n90\u00b0<\/td>\n<\/tr>\n<\/thead>\n<\/table>\n
<\/div>\n<\/div>\n<\/div>\n<\/div>\n

Di\u015f uzunluklar\u0131 ve toleranslar dahil olmak \u00fczere t\u00fcm teknik \u00f6zellikler i\u00e7in DIN 7991 veya ISO 10642'ye bak\u0131n\u0131z. Uzunluklar\u0131n ba\u015fl\u0131\u011f\u0131n \u00fcst k\u0131sm\u0131ndan uca kadar \u00f6l\u00e7\u00fcld\u00fc\u011f\u00fcn\u00fc ve daha k\u0131sa uzunluklar i\u00e7in tam di\u015f a\u00e7man\u0131n standart oldu\u011funu unutmay\u0131n.<\/p>\n

Malzemeler ve Kimyasal Bile\u015fim<\/h2>\n

DIN 7991 vidalar\u0131 genellikle korozyon direnci i\u00e7in paslanmaz \u00e7elik kalitelerinden veya y\u00fcksek mukavemet i\u00e7in ala\u015f\u0131ml\u0131 \u00e7elikten \u00fcretilir. Yayg\u0131n kullan\u0131lan malzemeler aras\u0131nda, zorlu ortamlarda m\u00fckemmel dayan\u0131kl\u0131l\u0131k sunan A2 (SUS304) ve A4 (SUS316) paslanmaz \u00e7elikler bulunur. Kimyasal bile\u015fim, \u00e7ekme mukavemeti ve sertlik gibi mekanik \u00f6zelliklerin korunmas\u0131n\u0131 sa\u011flar.<\/p>\n

Paslanmaz \u00e7elik \u00e7e\u015fitleri, manyetik olmayan \u00f6zellikleri ve oksidasyona kar\u015f\u0131 direnci sayesinde g\u0131da i\u015fleme, denizcilik ve t\u0131bbi uygulamalar i\u00e7in uygundur. Genellikle 8.8, 10.9 veya 12.9 \u00f6zellik s\u0131n\u0131flar\u0131nda yer alan ala\u015f\u0131ml\u0131 \u00e7elik versiyonlar\u0131, yap\u0131sal kullan\u0131mlarda daha y\u00fcksek mukavemet i\u00e7in \u0131s\u0131l i\u015flemden ge\u00e7irilir. Siyah oksit veya \u00e7inko kaplama gibi y\u00fczey i\u015flemleri, a\u015f\u0131nmaya kar\u015f\u0131 ek koruma sa\u011flar.<\/p>\n

\n
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\n
<\/div>\n<\/div>\n
\n\n\n\n\n\n\n\n
Malzeme<\/th>\nKimyasal Bile\u015fim (%)<\/th>\n<\/tr>\n
C<\/th>\nMn<\/th>\nSi<\/th>\nP<\/th>\nS<\/th>\nNi<\/th>\nMo<\/th>\nCr<\/th>\n<\/tr>\n<\/thead>\n
SUS304 (A2)<\/td>\n\u22640,08<\/td>\n\u22642,00<\/td>\n\u22641.00<\/td>\n\u22640,045<\/td>\n\u22640,03<\/td>\n8.00-11.00<\/td>\n–<\/td>\n17.00-19.00<\/td>\n<\/tr>\n
SUS316 (A4)<\/td>\n\u22640,08<\/td>\n\u22642,00<\/td>\n\u22641.00<\/td>\n\u22640,045<\/td>\n\u22640,03<\/td>\n10.00-14.00<\/td>\n2.00-3.00<\/td>\n16.00-18.00<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
<\/div>\n<\/div>\n<\/div>\n<\/div>\n

Karbon \u00e7elik se\u00e7enekleri i\u00e7in bile\u015fimler kaliteye g\u00f6re de\u011fi\u015fir (\u00f6rne\u011fin, 10.9: C 0.20-0.55%, Mn 0.40-0.90%). \u00c7evresel ko\u015fullara g\u00f6re se\u00e7im yap\u0131n; molibden i\u00e7eri\u011fi sayesinde korozyon direncini art\u0131ran A4, deniz ortam\u0131na maruz kalma i\u00e7in uygundur.<\/p>\n

Mekanik \u00d6zellikler<\/h2>\n

DIN 7991 vidalar\u0131n\u0131n mekanik \u00f6zellikleri, paslanmaz \u00e7elik i\u00e7in ISO 3506'ya ve karbon \u00e7elik i\u00e7in ISO 898'e g\u00f6re s\u0131n\u0131fland\u0131r\u0131l\u0131r. A2-50, A2-70 ve A4-80 paslanmaz \u00e7elik kaliteleri, 500 ila 800 MPa aras\u0131nda \u00e7ekme dayan\u0131m\u0131 ve 210-450 MPa aras\u0131nda akma dayan\u0131m\u0131 sunar. Bu \u00f6zellikler, titre\u015fim direnci i\u00e7in s\u00fcneklik sa\u011flarken, tahrik b\u00fct\u00fcnl\u00fc\u011f\u00fc i\u00e7in yeterli sertli\u011fi (HV 150-300) de sa\u011flar.<\/p>\n

8.8, 10.9 ve 12.9 s\u0131n\u0131flar\u0131ndaki karbon \u00e7elik \u00e7e\u015fitleri, y\u00fck ta\u015f\u0131ma uygulamalar\u0131 i\u00e7in ideal olan daha y\u00fcksek mukavemetlere (800-1200 MPa \u00e7ekme) ula\u015f\u0131r. \u00d6zellikleri aras\u0131nda minimum 12% uzama ve d\u00fc\u015f\u00fck s\u0131cakl\u0131k kullan\u0131m\u0131 i\u00e7in darbe dayan\u0131kl\u0131l\u0131\u011f\u0131 bulunur. DIN EN ISO 6892-1 standard\u0131na g\u00f6re yap\u0131lan testler, kaplamal\u0131 vidalarda hidrojen gevrekli\u011fini \u00f6nlemek i\u00e7in y\u00fczey sertli\u011finin kontrol edilmesiyle uyumlulu\u011fu do\u011frular.<\/p>\n

Temel k\u0131lavuz: \u00d6zellik s\u0131n\u0131f\u0131n\u0131 uygulama gerilimine g\u00f6re e\u015fle\u015ftirin; y\u00fcksek mukavemet ihtiyac\u0131 olan a\u015f\u0131nd\u0131r\u0131c\u0131 ortamlar i\u00e7in A4-80. D\u00f6ng\u00fcsel y\u00fckleme senaryolar\u0131nda yorulma \u00e7atlaklar\u0131 i\u00e7in d\u00fczenli kontroller \u00f6nerilir.<\/p>\n

Tork Standartlar\u0131<\/h2>\n

DIN 7991 vidalar\u0131 i\u00e7in tork de\u011ferleri, di\u015f s\u0131y\u0131rma veya ba\u015f k\u0131r\u0131lmas\u0131 olmadan uygun s\u0131k\u0131\u015ft\u0131rmay\u0131 sa\u011flar. Paslanmaz \u00e7elik kaliteleri i\u00e7in minimum k\u0131r\u0131lma torklar\u0131 (Nm cinsinden, do\u011fruluk i\u00e7in kgf.cm'den d\u00f6n\u00fc\u015ft\u00fcr\u00fclm\u00fc\u015ft\u00fcr: 1 kgf.cm \u2248 0,098 Nm) belirtilmi\u015ftir. Bunlar, DIN EN ISO 3506-1'e g\u00f6re tahribatl\u0131 testlerdir ve vidan\u0131n burulmada k\u0131r\u0131ld\u0131\u011f\u0131 torku g\u00f6sterir.<\/p>\n

Montaj i\u00e7in, ya\u011flama i\u00e7in ayarlanm\u0131\u015f (d\u00fcz y\u00fczeyler i\u00e7in \u03bc=0,125, kaplamal\u0131 y\u00fczeyler i\u00e7in 0,094) 70-80% k\u0131r\u0131lma torkunu oturma de\u011feri olarak kullan\u0131n. VDI 2230 arac\u0131l\u0131\u011f\u0131yla yap\u0131lan \u00f6n y\u00fckleme hesaplamalar\u0131, ba\u011flant\u0131 g\u00fcvenli\u011fini sa\u011flar. A\u015fa\u011f\u0131daki tabloda, standart verilere g\u00f6re do\u011frulanm\u0131\u015f minimum k\u0131r\u0131lma torklar\u0131 listelenmi\u015ftir.<\/p>\n

\n
\n
\n
<\/div>\n<\/div>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\u0130plik<\/th>\nM\u00fclk S\u0131n\u0131f\u0131<\/th>\n<\/tr>\n
A2-50<\/th>\nA2-70<\/th>\nA4-80<\/th>\n<\/tr>\n
Minimum K\u0131r\u0131lma Torku (Nm)<\/th>\n<\/tr>\n<\/thead>\n
M1.6<\/td>\n0.15<\/td>\n0.2<\/td>\n0.24<\/td>\n<\/tr>\n
M2<\/td>\n0.3<\/td>\n0.4<\/td>\n0.48<\/td>\n<\/tr>\n
M2.5<\/td>\n0.6<\/td>\n0.9<\/td>\n0.96<\/td>\n<\/tr>\n
M3<\/td>\n1.1<\/td>\n1.6<\/td>\n1.8<\/td>\n<\/tr>\n
M4<\/td>\n2.7<\/td>\n3.8<\/td>\n4.3<\/td>\n<\/tr>\n
M5<\/td>\n5.5<\/td>\n7.8<\/td>\n8.8<\/td>\n<\/tr>\n
M6<\/td>\n9.3<\/td>\n13<\/td>\n15<\/td>\n<\/tr>\n
M8<\/td>\n23<\/td>\n32<\/td>\n37<\/td>\n<\/tr>\n
M10<\/td>\n46<\/td>\n65<\/td>\n74<\/td>\n<\/tr>\n
M12<\/td>\n80<\/td>\n110<\/td>\n130<\/td>\n<\/tr>\n
M16<\/td>\n210<\/td>\n290<\/td>\n330<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
<\/div>\n<\/div>\n<\/div>\n<\/div>\n

Karbon \u00e7eli\u011fi i\u00e7in, 10.9 s\u0131n\u0131f\u0131 i\u00e7in \u00f6nerilen s\u0131kma torklar\u0131 (MA, Nm cinsinden) daha y\u00fcksektir: ISO 898-1'e g\u00f6re M3=1.4, M4=3.4, M5=6.8, M6=11, M8=28, M10=55, vb. \u00b14% hassasiyetinde kalibre edilmi\u015f tork anahtarlar\u0131 kullan\u0131n ve hassas \u00f6n y\u00fckleme i\u00e7in s\u00fcrt\u00fcnme katsay\u0131lar\u0131n\u0131 dikkate al\u0131n.<\/p>\n

\u00dcretim S\u00fcreci<\/h2>\n

DIN 7991 vidalar\u0131n\u0131n \u00fcretimi genellikle \u00e7ok istasyonlu makinelerde so\u011fuk \u015fekillendirme ile yap\u0131l\u0131r; bu i\u015flemde konik ba\u015fl\u0131k ve alt\u0131gen soket bir veya iki a\u015famada olu\u015fturulur. Bu i\u015flem, y\u00fcksek malzeme kullan\u0131m\u0131n\u0131 ve hassas geometriyi sa\u011flar. Daha sonra, otomatik haddeleme makineleri kullan\u0131larak di\u015f a\u00e7ma i\u015flemi ger\u00e7ekle\u015ftirilir ve minimum \u00e7apakla d\u00fczg\u00fcn di\u015fler olu\u015fturulur.<\/p>\n

Ala\u015f\u0131ml\u0131 \u00e7elikler i\u00e7in \u0131s\u0131l i\u015flem, istenen sertli\u011fe ula\u015fmak i\u00e7in su verme ve temperleme i\u015flemlerini i\u00e7erir (\u00f6rne\u011fin, 10.9 i\u00e7in 39-44 HRC). Paslanmaz \u00e7elik \u00e7e\u015fitleri, i\u015flenebilirlik i\u00e7in tavlama i\u015flemine tabi tutulur. Kalite kontrolleri, DIN EN ISO 4759'a g\u00f6re boyut kontrollerini ve GO\/NO-GO standartlar\u0131na g\u00f6re di\u015f \u00f6l\u00e7\u00fcm\u00fcn\u00fc i\u00e7erir. Paslanmaz \u00e7elik i\u00e7in pasivasyon veya karbon \u00e7elik i\u00e7in elektrokaplama gibi y\u00fczey i\u015flemleri korozyon direncini art\u0131r\u0131r.<\/p>\n

Geli\u015fmi\u015f \u00fcretimde, \u00f6zel uzunluklar ve standart d\u0131\u015f\u0131 \u00f6zellikler i\u00e7in CNC kullan\u0131l\u0131r ve parti numaraland\u0131rmas\u0131 yoluyla izlenebilirlik sa\u011flan\u0131r. Bu i\u015flem, tutarl\u0131 performansa sahip ba\u011flant\u0131 elemanlar\u0131 \u00fcretir ve montajlardaki de\u011fi\u015fkenli\u011fi azalt\u0131r.<\/p>\n

Uygulamalar<\/h2>\n

DIN 7991 vidalar\u0131, u\u00e7ak panelleri, otomotiv \u015fasileri ve hassas kal\u0131plar gibi d\u00fcz y\u00fczeyler gerektiren senaryolarda \u00fcst\u00fcn performans g\u00f6sterir. Y\u00fcksek h\u0131zl\u0131 trenlerde, aerodinamik s\u00fcrt\u00fcnme olmadan bile\u015fenleri sabitlerler. Mekanik aksamlar y\u00fcksek tork kapasitelerinden faydalan\u0131rken, elektronik cihazlarda EMI koruma muhafazalar\u0131 i\u00e7in kullan\u0131l\u0131rlar.<\/p>\n

Se\u00e7im ipu\u00e7lar\u0131: Nemli ortamlarda A4 s\u0131n\u0131f\u0131, y\u00fcksek gerilimli ba\u011flant\u0131lar i\u00e7in 12.9 s\u0131n\u0131f\u0131 vidalar kullan\u0131n. Optimum uyum i\u00e7in DIN 74 standard\u0131na g\u00f6re hav\u015fa ba\u015fl\u0131 deliklerle birle\u015ftirin. Titre\u015fime e\u011filimli alanlarda, \u00f6n y\u00fck\u00fc korumak i\u00e7in vida kilitleyicileri uygulay\u0131n. Bu uygulamalar, vidalar\u0131n g\u00fcvenli ve estetik ba\u011flant\u0131lar sa\u011flamadaki \u00e7ok y\u00f6nl\u00fcl\u00fc\u011f\u00fcn\u00fc vurgulamaktad\u0131r.<\/p>\n

S\u0131k\u00e7a Sorulan Sorular (SSS)<\/h2>\n
\n
DIN 7991 vidalar\u0131 i\u00e7in standart hav\u015fa a\u00e7\u0131s\u0131 nedir?<\/dt>\n
Hav\u015fa a\u00e7ma a\u00e7\u0131s\u0131, M3'ten M24'e kadar t\u00fcm boyutlar i\u00e7in minimum 90\u00b0 ve maksimum 92\u00b0'dir; bu da \u00e7\u0131k\u0131nt\u0131 olmadan e\u015fle\u015fen deliklere d\u00fczg\u00fcn oturmay\u0131 sa\u011flar.<\/dd>\n<\/dl>\n
\n
Uygun malzeme kalitesini nas\u0131l se\u00e7erim?<\/dt>\n
Genel korozyon direnci i\u00e7in A2-70'i, molibden i\u00e7eri\u011fi nedeniyle deniz veya asidik ortamlar i\u00e7in A4-80'i tercih edin. Y\u00fcksek mukavemet i\u00e7in koruyucu kaplamal\u0131 10.9 veya 12.9 karbon \u00e7eli\u011fini se\u00e7in.<\/dd>\n<\/dl>\n
\n
Montaj i\u00e7in hangi tork de\u011ferini kullanmal\u0131y\u0131m?<\/dt>\n
S\u00fcrt\u00fcnmeyi hesaba katarak, minimum kopma torku i\u00e7in 70-80% kullan\u0131n. \u00d6rne\u011fin, M6 A2-70: 9-10 Nm'de tak\u0131n. Aletleri daima kalibre edin ve ya\u011flamay\u0131 g\u00f6z \u00f6n\u00fcnde bulundurun.<\/dd>\n<\/dl>\n
\n
Bu vidalar y\u00fcksek titre\u015fimli uygulamalar i\u00e7in uygun mu?<\/dt>\n
Evet, vida kilitleyiciler veya y\u00fcksek tork \u00f6zellikleri ile. \u0130\u00e7ten tahrikli ve g\u00f6mme tasar\u0131mlar\u0131, makine veya ara\u00e7lar gibi dinamik y\u00fcklerde gev\u015feme riskini azalt\u0131r.<\/dd>\n<\/dl>\n
\n
\u00dcretim s\u00fcreci kaliteyi nas\u0131l etkiler?<\/dt>\n
So\u011fuk \u015fekillendirme, hassas kafa olu\u015fumunu sa\u011flar; yanl\u0131\u015f di\u015f a\u00e7ma, gerilim yo\u011funla\u015fmalar\u0131na neden olabilir. Tutarl\u0131 boyutlar ve mukavemet i\u00e7in DIN EN ISO 9001 standard\u0131na uyan sertifikal\u0131 \u00fcreticilerde \u0131srar edin.<\/dd>\n<\/dl>\n
\n
DIN 7991 vidalar\u0131 metal olmayan malzemelerle kullan\u0131labilir mi?<\/dt>\n
Evet, uygun ek par\u00e7alarla kompozit veya plastiklerde kullan\u0131labilir, ancak ezilmeyi \u00f6nlemek i\u00e7in uyumlulu\u011fu do\u011frulay\u0131n. Malzeme hasar\u0131n\u0131 \u00f6nlemek i\u00e7in daha d\u00fc\u015f\u00fck tork de\u011ferleri gerekebilir.<\/dd>\n<\/dl>\n<\/div>","protected":false},"excerpt":{"rendered":"

Introduction DIN 7991 specifies countersunk head cap screws with hexagon socket drives, commonly known as flat head hex socket screws. These fasteners feature a 90-degree conical head that sits flush with or below the surface of the mated part, providing a clean, aerodynamic profile ideal for applications where protrusion must be minimized. The internal hex […]<\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[220],"tags":[],"class_list":["post-5849","post","type-post","status-publish","format-standard","hentry","category-technical-documentation-and-references"],"_links":{"self":[{"href":"https:\/\/korea-transmission.com\/tr\/wp-json\/wp\/v2\/posts\/5849","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/korea-transmission.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/korea-transmission.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/korea-transmission.com\/tr\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/korea-transmission.com\/tr\/wp-json\/wp\/v2\/comments?post=5849"}],"version-history":[{"count":2,"href":"https:\/\/korea-transmission.com\/tr\/wp-json\/wp\/v2\/posts\/5849\/revisions"}],"predecessor-version":[{"id":5851,"href":"https:\/\/korea-transmission.com\/tr\/wp-json\/wp\/v2\/posts\/5849\/revisions\/5851"}],"wp:attachment":[{"href":"https:\/\/korea-transmission.com\/tr\/wp-json\/wp\/v2\/media?parent=5849"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/korea-transmission.com\/tr\/wp-json\/wp\/v2\/categories?post=5849"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/korea-transmission.com\/tr\/wp-json\/wp\/v2\/tags?post=5849"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}