Din335 HSS Countersink Drill Bit

Nkọwa dị mkpirikpi:

Akuku countersink bụ ngwa mkpọpu ihe eji ahazi oghere conical countersunk ma bụrụ nke a na-ejikarị eme ihe na nhazi nke ihe dị iche iche.Isi ọrụ ya bụ ịhazi oghere dị nro ma ọ bụ countersinks n'elu nke workpiece nke mere na ihe nkedo dị ka kposara na bolts nwere ike idozi ya n'ụzọ kwụ ọtọ na workpiece.Ọ nwere ike ime ka oghere ahụ dị nro.Ọ bụ ezie na ọ na-achọ oghere nduzi maka nhazi na-esote, iji ya na-eme ka arụmọrụ ọrụ dịkwuo mma na nhazi nhazi.Isi ọrụ mbelata nke countersink cylindrical bụ njedebe njedebe, na akụkụ bevel nke spiral groove bụ akụkụ rake ya.Enwere akwụkwọ ntuziaka na njedebe n'ihu nke countersink, na dayameta nke akwụkwọ ntuziaka nwere nkwụsị dị nso na oghere dị na workpiece iji hụ na nhazi na nduzi dị mma.


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Ihe ngosi ngwaahịa

Din335 hss countersink drill bit6

Akụkụ bụ isi ọnwụ nke countersink cylindrical bụ njedebe njedebe, ebe a na-ewere akụkụ bevel nke ọjà gburugburu dị ka akụkụ rake.N'ọnụ nke a akuakuzinwo nwere a ndu post na dabara tightly n'ime ẹdude oghere na workpiece iji hụ na ezi centering na nduzi.Emebere ihe eji eme ihe ka ọ bụrụ cylindrical, nke dị mma maka njigide.A na-akụ akụkụ isi ihe na-egbu anụ ma nwee oghere oblique na-agafe na ya.Oghere mgbịrịgba nke ọnụ ọnụ a na-eme ka ọ dị mma nwere mbelata nke enwere ike iji egbutu ya.Oghere ahụ site na oghere na-arụ ọrụ dị ka oghere mgbawa mgbawa, a ga-atụgharịkwa ibe ígwè ahụ wee tufuo ya elu.Ike centrifugal ga-enyere aka kpochapu ihe nkedo ígwè si n'elu nke a na-arụ ọrụ iji zere ịcha elu nke ọrụ ahụ ma na-emetụta àgwà.Ụdị akwụkwọ ntuziaka a nwere ike ịpụpụ, na akwụkwọ ntuziaka na countersink nwekwara ike ịme ka ọ bụrụ otu ibe.

N'ozuzu, countersink drill bụ ngwá ọrụ a na-ejikarị eme ihe maka nhazi oghere na countersinks.Ọdịdị ya na imewe ya na-enyere aka melite arụmọrụ ọrụ na nhazi nhazi.

Nha ngwaahịa

D L1 d D L1 d
4.3 40.0 4.0 12.4 56.0 8.0
4.8 40.0 4.0 13.4 56.0 8.0
5.0 40.0 4.0 15.0 60.0 10.0
5.3 40.0 4.0 16.5 60.0 10.0
5.8 45.0 5.0 16.5 60.0 10.0
6.0 45.0 5.0 19.0 63.0 10.0
6.3 45.0 5.0 20.5 63.0 10.0
7.0 50.0 6.0 23.0 67.0 10.0
7.3 50.0 6.0 25.0 67.0 10.0
8.0 50.0 6.0 26.0 71.0 12.0
8.3 50.0 6.0 28.0 71.0 12.0
9.4 50.0 6.0 30.0 71.0 12.0
10.0 50.0 6.0 31.0 71.0 12.0
10.1 50.0 6.0 37.0 90.0 12.0
11.5 56.0 8.0 40.0 90.0 15.0

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