Tsim nyog induction thiab muab tau kev paub ntawm cov qauv xov

Koj paub ntau npaum li cas txog machined threads?

Nyob rau hauv lub realm ntawm machining, "xov" feem ntau yog xa mus rau lub helical ridges thiab kwj nyob rau saum npoo ntawm ib tug cylindrical ib feem, uas ua rau nws yuav tsum tau txuas nrog rau lwm qhov chaw los yog siv rau kis tau tus mob los yog lub zog. Cov ntsiab lus thiab cov qauv rau machined threads feem ntau yog tshwj xeeb rau kev lag luam thiab daim ntawv thov hauv nqe lus nug.Hauv Tebchaws Meskas, machined threads feem ntau txhais los ntawm cov qauv tsim los ntawm cov koom haum xws li American National Standards Institute (ANSI) thiab American Society of Mechanical Engineers. (ASME). Cov qauv no qhia cov xov xov, suab, cov chav kawm kam rau ua, thiab lwm yam tsis haum rau ntau hom xov.

Ib qho ntawm cov qauv paub zoo tshaj plaws rau cov xov tshuab yog Unified Thread Standard (UTS), uas yog siv rau cov xov tooj ntiv tes. UTS txhais tau ntau yam xov xov, xws li Unified Coarse (UNC) thiab Unified Fine (UNF), thiab muab cov ncauj lus kom ntxaws txog cov xov qhov ntev, qhov ntev, thiab cov qauv tsim.Rau metric threads, ISO metric screw thread standard (ISO 68-1) yog siv dav. Cov qauv no suav nrog metric xov profiles, xov suab, cov chav kawm kam rau ua, thiab lwm yam kev qhia tshwj xeeb.Nws yog ib qho tseem ceeb uas yuav tsum tau xa mus rau cov qauv tshwj xeeb thiab cov lus qhia tshwj xeeb rau kev lag luam thiab daim ntawv thov uas koj ua haujlwm nrog los lav tsim tsim thiab tsim cov xov machined.

Txhua txhua hnub, cov kws tshaj lij ua haujlwm nrog cov tshuab ntsib cov khoom siv threaded. Txawm hais tias lawv cov kev qhia tshwj xeeb - txawm tias nws yog metric lossis imperial, ncaj los yog tapered, kaw los yog unsealed, sab hauv lossis sab nraud, nrog rau 55-degree lossis 60-degree profile-cov khoom no feem ntau ua puas thiab siv tsis tau raws sijhawm. Nws yog ib qho tseem ceeb kom ua tib zoo tshuaj xyuas lawv txij thaum pib mus rau qhov kawg. Hnub no, pab pawg Anebon yuav sau cov ntsiab lus hauv kev cia siab tias nws yuav muaj txiaj ntsig rau txhua tus.

1. Cov cim qhia

NPTyog ib tug dav siv American standard tapered yeeb nkab xov nrog ib tug 60 ° profile kaum.

PTxov yog ib qho imperial tapered xov nrog 55 ° xov lub kaum sab xis, feem ntau siv rau kev sib khi. British yeeb nkab threads muaj cov xov zoo. Vim qhov loj xov qhov tob ntawm coarse threads, nws ho txo ​​lub zog ntawm cov yeeb nkab sab nraud raug txiav.

PFxov yog ib qho xov sib txuas rau cov kav dej.

Gyog 55-degree tsis-threaded sealing yeeb nkab xov, teej tug mus rau Whitworth xov tsev neeg. Lub cim G sawv cev rau cov xov cylindrical, nrog G yog lub ntsiab lus dav dav rau cov yeeb nkab xov (Guan), thiab qhov sib txawv ntawm 55 degrees thiab 60 degrees yog qhov ua haujlwm.

ZGfeem ntau hu ua lub khob hliav qab, uas txhais tau hais tias cov xov yog ua tiav los ntawm lub conical nto. Cov yeeb nkab dej dav dav yog ua raws li qhov no. Cov txheej txheem qub hauv tebchaws yog cim Rc.Pitch yog siv los qhia cov xov metric, thaum cov xov tooj ntawm ib nti yog siv rau American thiab British threads. Qhov no yog lawv qhov txawv txav. Metric threads muaj 60-degree equilateral profile, British threads muaj 55-degree isosceles profile, thiab American threads muaj 60-degree profile.

Metric threadssiv metric units, thaum American thiab British threads siv imperial units.

Cov yeeb nkab xovfeem ntau yog siv los txuas cov kav dej. Cov xov sab hauv thiab sab nraud yog sib npaug zoo sib xws, thiab muaj ob hom: cov kav dej ncaj thiab cov kav dej tapered. Lub nominal txoj kab uas hla yog hais txog txoj kab uas hla ntawm cov yeeb nkab txuas. Kom meej meej, txoj kab uas hla loj ntawm cov xov yog loj dua lub nominal txoj kab uas hla.

Daim ntawv thov Scope npogcnc machined qhov chaw, cnc tig qhov chaw thiabcnc milling qhov chaw.

1/4, 1/2, thiab 1/8 sawv cev rau lub nominal diameters ntawm nti threads hauv nti.

2. txawv teb chaws tus qauv

1. Unified nti system xov

Hom xov no feem ntau yog siv nyob rau hauv lub teb chaws uas siv lub nti system thiab categorized rau hauv peb series: coarse xov series UNC, nplua xov series UNF, ntxiv zoo xov series UNFF, thiab taag pitch series UN.
Marking method:Xov txoj kab uas hla - tus naj npawb ntawm threads ib nti series code - raug qib.

Piv txwv li:Coarse xov series 3/8-16UNC-2A; Cov xov zoo series 3/8-24UNF-2A; Ntxiv cov xov zoo series 3/8-32UNFF-2A;

Tsau pitch series 3/8—20UN—2A. Thawj tus lej 3/8 qhia txog cov kab sab nraud ntawm cov xov hauv ntiv tes. Hloov mus rau metric unit mm, muab 25.4, uas sib npaug 9.525mm; tus lej thib ob thiab thib peb 16, 24, 32, thiab 20 sawv cev rau cov hniav ib nti (tus naj npawb ntawm cov hniav ntawm qhov ntev ntawm 25.4mm); cov ntawv cim tom qab tus lej thib peb, UNC, UNF, UNFF, UN, yog cov lej cim, thiab ob tus lej kawg, 2A, qhia txog qib raug.

Kev hloov pauv ntawm 2.55 ° cylindrical yeeb nkab xov
Lub 55 ° cylindrical yeeb nkab xov pib los ntawm cov ntiv tes tab sis tau siv dav hauv ob lub teb chaws metric thiab ntiv tes. Nws yog ua haujlwm rau kev sib txuas cov yeeb nkab sib txuas, thauj cov kua thiab cov pa roj, thiab txhim kho cov xov hlau. Txawm li cas los xij, ntau lub teb chaws muaj cov lej sib txawv, yog li nws yuav tsum tau hloov cov lej txawv teb chaws rau hauv Suav cov lej siv lub rooj (cov lus sib piv) muab. 55 ° cylindrical yeeb nkab xov codes ntawm ntau lub teb chaws tam sim no tau nthuav tawm hauv cov lus hauv qab no.

Hloov ntawm 3.55 ° tapered yeeb nkab xov
55 ° tapered yeeb nkab xov txhais tau hais tias cov xov profile lub kaum sab xis yog 55 ° thiab cov xov muaj taper ntawm 1: 16. Cov xov no tau siv dav hauv ntiaj teb, thiab nws cov npe code sib txawv ntawm lub tebchaws mus rau lub tebchaws.

4.Conversion ntawm 60 ° tapered yeeb nkab xov

60 ° tapered yeeb nkab xov yog hais txog cov yeeb nkab xov nrog lub kaum sab xis ntawm 60 ° thiab xov taper ntawm 1: 16. Cov xov no yog siv nyob rau hauv kuv lub teb chaws lub tshuab cuab yeej kev lag luam thiab lub tebchaws United States thiab lub qub Soviet Union. Nws lub npe code, Tuam Tshoj siv los qhia nws li K, tom qab ntawd tau teev nws li Z, thiab tam sim no nws tau hloov mus rau NPT. Saib cov xov tooj sib piv cov lus hauv qab no.

5.55 ° Trapezoidal Xov Hloov Hloov
Trapezoidal xov yog hais txog metric trapezoidal xov nrog lub kaum sab xis ntawm 30 °. Cov xov ntawm cov xov no kuj zoo ib yam nyob hauv tsev thiab txawv teb chaws, thiab lawv cov lej kuj zoo ib yam. Cov kab lis kev cai yog qhia nyob rau hauv cov lus hauv qab no.

3. Kev faib cov xov

Raws li kev siv cov xov sib txawv, lawv tuaj yeem muab faib ua:

1. International Metric Xov System

Cov xov tau txais los ntawm kuv lub teb chaws tus qauv CNS. Sab saum toj ntawm cov hniav yog tiaj tus thiab yooj yim tig, thaum lub hauv qab ntawm cov hniav yog arc-puab los ua kom lub zog ntawm cov xov. Lub kaum sab xis yog 60 degrees, thiab cov lus qhia tshwj xeeb yog qhia hauv M. Metric threads tuaj yeem muab faib ua ob hom: xov coarse thiab xov zoo. Tus sawv cev yog raws li M8x1.25. (M: code, 8: nominal txoj kab uas hla, 1.25: suab).

2. American Standard Xov

Sab saum toj thiab hauv paus ntawm cov xov yog ob qho tib si tiaj tus thiab muaj zog zoo dua. Lub kaum sab xis kuj tseem yog 60 degrees, thiab cov lus qhia tshwj xeeb tau qhia hauv xov ib nti. Cov xov zoo li no tuaj yeem muab faib ua peb theem: xov coarse (NC); xov zoo (NF); extra fine thread (NEF). Tus sawv cev yog xws li 1/2-10NC. (1/2: sab nraud; 10: naj npawb ntawm cov hniav ib nti; NC code).

3. Unified txheem xov (UnifiedThread)

Kev sib koom ua ke los ntawm Tebchaws Meskas, United Kingdom, thiab Canada, nws yog cov xov British uas nquag siv.
Lub kaum sab xis kuj tseem yog 60 degrees, thiab cov lus qhia tshwj xeeb tau qhia hauv xov ib nti. Cov xov no tuaj yeem muab faib ua cov xov ntxhib (UNC); xov zoo (UNF); xov tooj zoo ntxiv (UNEF). Tus sawv cev yog xws li 1/2-10UNC. (1/2: sab nraud; 10: tus lej ntawm cov hniav ib nti; UNC code).

4.V-zoo li tus xov (Nruab VThread)

Sab saum toj thiab cov hauv paus hniav yog ob qho tib si taw, tsis muaj zog hauv lub zog, thiab tsis siv ntau. Lub kaum sab xis yog 60 degrees.

5. Whitworth Xov

Hom xov no tau teev tseg los ntawm British National Standard. Nws nta lub kaum sab xis ntawm 55 degrees thiab yog cim los ntawm "W". Feem ntau tsim los rau dov manufacturing txheej txheem, nws yog feem ntau sawv cev raws li W1/2-10 (1/2: txheej kab; 10: tus naj npawb ntawm cov hniav ib nti; W code).

6. Round Xov (KnuckleThread)
Hom xov xov no, tsim los ntawm German DIN, yog qhov tsim nyog rau kev sib txuas cov qij thiab cov roj hmab. Nws yog denoted los ntawm lub cim "Rd".

7. Pipe Xov (PipeThread)
Tsim los tiv thaiv cov xau, cov xov no feem ntau yog siv rau kev sib txuas cov pa roj lossis cov kav dej. Nrog lub kaum sab xis ntawm 55 degrees, lawv tuaj yeem muab faib ntxiv rau hauv cov yeeb nkab ncaj, hu ua "PS, NPS", thiab cov yeeb nkab sib txuas, hu ua "NPT". Taper yog 1:16, sib npaug rau 3/4 nti ib ko taw.

8. Square Xov
Featuring high kis tau tus mob efficiency, thib ob tsuas yog lub pob xov, hom xov no feem ntau yog siv rau vise screws thiab crane threads. Txawm li cas los xij, nws qhov kev txwv nyob hauv qhov tsis tuaj yeem hloov kho nrog cov txiv ntoo tom qab hnav.

9. Cov xov Trapezoidal
Kuj tseem hu ua Acme xov, hom no muaj kev sib kis tau yooj yim dua li cov xov xwm square. Txawm li cas los xij, nws muaj qhov zoo ntawm kev kho nrog cov txiv ntoo tom qab hnav. Nyob rau hauv lub metric system, lub kaum sab xis yog 30 degrees, thaum nyob rau hauv lub imperial system, nws yog 29 degrees. Feem ntau siv rau cov ntsia hlau ntawm lub tshuab dhos, nws yog sawv cev los ntawm lub cim "Tr".

10.Zigzag xov (ButtressThread)

Kuj hu ua rhombic xov, nws tsuas yog haum rau kev sib kis ntawm ib txoj kev. Xws li ntsia hlau jacks, pressurizers, thiab lwm yam. Lub cim yog "Bu".

11. Pob xov

Nws yog cov xov nrog qhov zoo tshaj plaws kis tau tus mob efficiency. Nws yog ib qho nyuaj rau kev tsim khoom thiab tsis tshua muaj nqi. Nws yog siv nyob rau hauv precision machinery. Xws li cov hlau lead ntsia hlau ntawm CNC tshuab cuab yeej thiabprototype machined qhov chaw.

Sawv cev ntawm nti bolts
LH 2N 5/8 × 3 – 13UNC-2A
(1) LH yog xov sab laug (RH yog txoj cai xov thiab tuaj yeem tshem tawm).
(2) 2N ob txoj xov.
(3) 5/8 nti xov, sab nraud txoj kab uas hla 5/8 ".
(4) 3 bolts ntev 3 ".
(5) 13 threads muaj 13 threads ib nti.
(6) UNC unified txheem xov coarse xov.
(7) Qib 2 haum, xov sab nraud (3: nruj haum; 2: nruab nrab haum; 1: xoob haum) A: Cov xov sab nraud (tuaj yeem tshem tawm), B: Internal xov.

Imperial xov
Qhov loj ntawm imperial threads feem ntau qhia los ntawm cov xov tooj ntawm ib nti ntawm qhov ntev ntawm cov xov, hu ua "tus naj npawb ntawm threads ib nti", uas yog sib npaug zos rau qhov sib npaug ntawm cov xov suab. Piv txwv li, ib tug xov nrog 8 threads ib nti muaj ib lub suab ntawm 1/8 nti.

Anebon nrhiav thiab lub tuam txhab lub hom phiaj yog ib txwm ua "ib txwm ua kom tau raws li peb cov neeg siv khoom xav tau". Anebon khaws cia kom tau txais thiab tsim thiab tsim cov khoom lag luam zoo tshaj plaws rau txhua tus neeg siv khoom qub thiab cov neeg siv khoom tshiab thiab ncav cuag qhov yeej-yeej zeem muag rau Anebon cov neeg siv khoom nrog rau peb rau Original Hoobkas Profile extrusion aluminium,cnc tig part, cnc milling nylon. Peb zoo siab txais tos cov phooj ywg los ua lag luam kev lag luam thiab pib koom tes nrog peb. Anebon vam tias yuav tuav tes nrog cov phooj ywg nyob hauv kev lag luam sib txawv los tsim kom muaj kev ua haujlwm ntev.

      Tuam Tshoj Chaw Tsim Tshuaj rau Tuam Tshoj High Precision thiab Hlau Stainless Steel Foundry, Anebon tab tom nrhiav txoj hauv kev los ntsib txhua tus phooj ywg los ntawm ob qho tib si hauv tsev thiab txawv teb chaws rau kev sib tw yeej-yeej. Anebon cia siab tias yuav muaj kev koom tes ntev nrog koj txhua tus ntawm lub hauv paus ntawm kev sib nrig sib pab thiab kev loj hlob.

Yog tias koj xav paub ntau ntxiv lossis muaj cov khoom los kwv yees tus nqi, thov koj xav tiv taujinfo@anebon.com