Xaiv Phau Ntawv Qhia

Dab tsi yogTwist Drills?

Twist xyaum yog ib lo lus dav dav rau ntau hom kev xyaum, xws li hlau xyaum, yas xyaum, xyaum ntoo, universal xyaum, masonry thiab pob zeb xyaum.Txhua qhov kev sib tw twist muaj cov yam ntxwv zoo ib yam: Lub helical flutes uas muab cov kev xyaum ua lawv lub npe.Sib txawv twist xyaum yog siv nyob ntawm qhov hardness ntawm cov khoom yuav tsum machined.

Los ntawm lub kaum sab xis helix

Twist xyaum

Hom N

Haum rau cov khoom siv xws li cam khwb cia hlau.
Hom N txiav wedge yog ntau yam vim nws lub kaum sab xis ntawm approx.30 °.
Lub kaum sab xis ntawm hom no yog 118 °.

Hom H

Zoo tagnrho rau cov ntaub ntawv nyuaj thiab nkig xws li bronze.
Hom H helix lub kaum sab xis yog nyob ib ncig ntawm 15 °, uas ua rau lub kaum sab xis loj nrog lub ntsej muag tsis ntse tab sis ruaj khov heev.
Hom H xyaum kuj tseem muaj lub kaum sab xis ntawm 118 °.

Hom W

Siv rau cov ntaub ntawv mos xws li aluminium.
Lub kaum sab xis helix ntawm approx.40 ° ua rau lub kaum sab xis me me rau qhov ntse tab sis sib piv tsis ruaj khov txiav ntug.
Lub kaum sab xis yog 130 °.

Los ntawm cov khoom siv

High Speed ​​Steel (HSS)

Cov khoom tuaj yeem muab faib ua peb hom: high-speed steel, cobalt-muaj cov hlau ceev ceev thiab cov khoom carbide.

Txij li xyoo 1910, cov hlau kub ceev tau siv los ua cov cuab yeej txiav rau ntau tshaj li ib puas xyoo.Tam sim no nws yog cov khoom siv dav tshaj plaws thiab pheej yig tshaj plaws rau cov cuab yeej txiav.High-speed steel drills yuav siv tau nyob rau hauv ob txhais tes xyaum andamore ruaj khov ib puag ncig xws li ib tug drilling tshuab.Lwm qhov laj thawj vim li cas high-speed steel kav ntev ntev yuav yog vim cov cuab yeej siv high-speed steel tuaj yeem rov ua dua.Vim nws tus nqi qis, nws tsis yog tsuas yog siv togrind drillbits, tab sis kuj siv dav hauv cov cuab yeej tig.

High Speed ​​Steel (HSS)
Cobalt-muaj cov hlau ceev ceev

Cobalt-Containing High-Speed ​​Steel (HSSE)

Cobalt-muaj high-speed steel muaj zoo hardness thiab liab hardness tshaj high-ceev steel.Qhov nce hauv hardness kuj txhim kho nws cov hnav tsis kam, tab sis tib lub sij hawm txi ib feem ntawm nws cov toughness.Ib yam li cov hlau uas muaj kev kub ceev: lawv tuaj yeem siv los ua kom muaj ntau zaus los ntawm kev sib tsoo.

CARBIDE (zeeg)

Cementcarbide yog cov khoom siv hlau ua cov khoom sib xyaw.Ntawm lawv, tungsten carbide yog siv los ua cov matrix, thiab qee cov ntaub ntawv siv los ua binders rau sinter los ntawm kub isostatic nias thiab cov txheej txheem nyuaj.Piv nrog rau high-speed steel nyob rau hauv cov nqe lus ntawm hardness, liab hardness thiab hnav tsis kam, nws tau zoo heev.Tab sis tus nqi ntawm cemented carbide txiav cov cuab yeej tseem kim dua li cov hlau ceev ceev.Cemented carbide muaj qhov zoo dua li cov khoom siv yav dhau los ntawm cov cuab yeej lub neej thiab kev ua haujlwm ceev.Hauv kev sib tsoo cov cuab yeej rov ua dua, cov cuab yeej sib tsoo yuav tsum tau ua.

CARBIDE (zeeg)

Los ntawm txheej

Uncoated

Uncoated

Cov coatings tuaj yeem kwv yees faib ua tsib hom hauv qab no raws li qhov kev siv:

Uncoated cov cuab yeej yog qhov pheej yig tshaj plaws thiab feem ntau yog siv los ua cov ntaub ntawv mos xws li aluminium alloy thiab cov hlau tsis tshua muaj carbon.

Dub Oxide Txheej

Oxide coatings tuaj yeem muab lubricity zoo dua li cov cuab yeej tsis muaj coated, kuj tseem zoo dua hauv oxidation thiab kub tsis kam, thiab tuaj yeem ua rau lub neej ua haujlwm ntau dua 50%.

Dub Oxide Txheej
Titanium nitride txheej

Titanium Nitride Txheej

Titanium nitride yog cov khoom siv ntau tshaj plaws, thiab nws tsis haum rau cov ntaub ntawv nrog cov hardness siab thiab ua haujlwm siab.

Titanium Carbonitride Txheej

Titanium carbonitride yog tsim los ntawm titanium nitride, muaj kev kub siab thiab hnav tsis kam, feem ntau yog xim liab lossis xiav.Siv nyob rau hauv Haas rhiav rau tshuab workpieces ua los ntawm cam khwb cia hlau.

Titanium carbonitride txheej
Titanium Aluminium Nitride Txheej

Titanium Aluminium Nitride Txheej

titanium aluminium nitride tiv taus qhov kub thiab txias dua li tag nrho cov txheej saum toj no, yog li nws tuaj yeem siv rau hauv qhov chaw txiav ntau dua.Piv txwv li, ua superalloys.Nws kuj tseem tsim nyog rau kev ua cov hlau thiab stainless hlau, tab sis vim tias nws muaj cov khoom siv txhuas, cov tshuaj tiv thaiv yuav tshwm sim thaum ua cov txhuas, yog li tsis txhob ua cov khoom siv txhuas.

Pom zoo Drilling ceev hauv hlau

Drill Size
  1MM 2 MM 3MM 4 MM 5MM ua 6MM ib 7MM ib 8MM ua 9MM ua 10MM 11 MM 12 MM 13 MM
STAINLESSSTEEL 3182 ib 1591 ib 1061 ib 795 ib 636 ib 530 455 ib 398 354 ib 318 289 265 245
CAIS IRON ib 4773 ib 2386 1591 ib 1193 955 ua 795 ib 682 ib 597 ib 530 477 ib 434 ib ib 398 367 ib
PLAINCARBONSTEEL ib 6364 3182 ib 2121 ib 1591 ib 1273 ib 1061 ib 909 ib 795 ib 707 ib 636 ib 579 ib 530 490 ib
BRONZE ib 7955 ib 3977 2652 ib Xyoo 1989 1591 ib 1326 1136 ib 994 ib 884 ua 795 ib 723 ib 663 ib 612
BRASS ib 9545 ib 4773 3182 ib ib 2386 Xyoo 1909 1591 ib 1364 ib 1193 1061 ib 955 ua 868 ua 795 ib 734 ib
tooj liab 11136 ib ib 5568 3712 ib 2784 ib 2227 ib 1856 1591 ib 1392 ib 1237 ib 1114 1012 928 ib 857 ib
ALUMINIUM 12727 ib ib 6364 4242 ib 3182 ib 2545 ib 2121 ib 1818 1591 ib 1414 ib 1273 ib 1157 ib 1061 ib 979 ib

HSS xyaum yog dab tsi?
HSS xyaum yog cov xyaum steel uas yog tus cwj pwm los ntawm lawv cov ntawv thov thoob ntiaj teb.Tshwj xeeb tshaj yog nyob rau hauv me me thiab nruab nrab series ntau lawm, nyob rau hauv unstable machining tej yam kev mob thiab thaum twg toughness yuav tsum tau, cov neeg siv tseem cia siab rau high-ceev steel (HSS / HSCO) drilling cov cuab yeej.

Qhov sib txawv hauv HSS xyaum
High-speed steel yog muab faib ua ntau theem zoo nyob ntawm hardness thiab toughness.Alloy Cheebtsam xws li tungsten, molybdenum thiab cobalt yog lub luag haujlwm rau cov khoom no.Ua kom cov khoom sib xyaw ua kom muaj zog ua kom muaj zog, hnav tsis kam thiab kev ua haujlwm ntawm cov cuab yeej, nrog rau tus nqi yuav khoom.Qhov no yog vim li cas nws yog ib qho tseem ceeb uas yuav tau xav txog yuav ua li cas muaj ntau lub qhov yuav tsum tau ua nyob rau hauv cov ntaub ntawv twg thaum xaiv cov khoom txiav.Rau ib tug me me ntawm qhov, qhov zoo tshaj plaws nqi txiav cov ntaub ntawv HSS yog pom zoo.Cov ntaub ntawv zoo dua qub xws li HSCO, M42 lossis HSS-E-PM yuav tsum raug xaiv rau cov khoom lag luam.

Hlau_Drill_Bit_Speed_vs._Size_of_Drill_Chart_graph
HSS qib HSS HSCO(tseem HSS-E) M42(tseem HSCO8) PM HSS-E
Kev piav qhia Pa high-speed hlau Cobalt alloyed kev kub ceev steel 8% cobalt alloyed kev kub ceev steel Hmoov metallurgically tsim high-speed steel
Kev sib xyaw Max.4.5% cobalt thiab 2.6% vanadium Min.4.5% cobalt lossis 2.6% vanadium Min.8% cobalt Cov khoom xyaw tib yam li HSCO, sib txawv ntau lawm
Siv Universal siv Siv rau kev txiav kub siab / tsis zoo cua txias, stainless hlau Siv nrog cov ntaub ntawv nyuaj txiav Siv nyob rau hauv series ntau lawm thiab rau siab cuab tam lub neej yuav tsum tau

HSS Drill Bit Selection Chart

 

Plastics

ALUMINIUM

tooj liab

BRASS

BRONZE

PLAIN CARBON STEEL CAIS IRON STAINLESS STEEL
MULTI-PURPOSE

     
INDUSTRIAL hlau  

 
STANDARD hlau

 

 

TITANIUM coated    

 
TURBO hlau  

HSSnrogCOBALT  

Masonry Drill Bit Selection Chart

  TXOJ CAI BRICK FIRE BRICK B35 KHOOM B45 KHOOM REINFORCED COV KHOOM GRANITE
TxujBRICK

       
Kev lag luam pob zeb

     
TURBO COOB

   
SDS Standard

     
SDS INDUSTRIAL

   
SDS Professional

 
SDS RUB

 
SDS MAX

 
MULTI-PURPOSE