Cov khoom tseem ceeb thiab cov txheej txheem kuaj xyuas zoocov kav dej tsis muaj seamless:
1. Xyuas qhov loj thiab cov duab ntawm cov yeeb nkab hlau
(1) Kev tshuaj xyuas phab ntsa tuab ntawm cov yeeb nkab hlau: micrometer, ultrasonic thickness gauge, tsis pub tsawg dua 8 cov ntsiab lus ntawm ob qho kawg thiab sau cia.
(2) Cov yeeb nkab hlau sab nraud txoj kab uas hla thiab kev tshuaj xyuas ovality: calliper gauges, vernier calipers, thiab ring gauges los ntsuas cov ntsiab lus loj thiab me.
(3) Kev tshuaj xyuas qhov ntev ntawm cov yeeb nkab hlau: daim kab xev hlau, ntsuas tes, ntsuas qhov ntev tsis siv neeg.
(4) Kev tshuaj xyuas qhov degree ntawm kev khoov ntawm cov yeeb nkab hlau: tus pas ntsuas, tus pas ntsuas theem (1m), lub ntsuas qhov ntsuas, thiab kab nyias los ntsuas qhov degree ntawm kev khoov ib 'meter' thiab qhov degree ntawm kev khoov tag nrho.
(5) Kev tshuaj xyuas lub kaum sab xis thiab ntug ntawm lub ntsej muag kawg ntawm cov yeeb nkab hlau: tus pas ntsuas plaub fab, phaj clamping.
2. Kev tshuaj xyuas qhov zoo ntawm qhov chawcov kav dej tsis muaj seamless
(1) Kev tshuaj xyuas tes: nyob rau hauv qhov chaw zoo, raws li cov qauv, cim kev paub dhau los, tig lub yeeb nkab hlau kom kuaj xyuas kom zoo. Sab hauv thiab sab nraud ntawm cov yeeb nkab hlau tsis muaj qhov tawg, quav, caws pliav, dov thiab tawg.
(2) Kev sim tsis puas tsuaj kev tshuaj xyuas:
a. Kev kuaj pom qhov tsis zoo ntawm Ultrasonic UT: Nws rhiab heev rau qhov tawg ntawm qhov chaw thiab sab hauv ntawm ntau yam khoom siv nrog cov ntaub ntawv sib xws.
b. Kev sim tam sim no eddy ET (electromagnetic induction) feem ntau yog rhiab heev rau cov qhov (zoo li qhov).
c. Kev Ntsuas Magnetic Particle MT thiab Flux Leakage: Kev ntsuas magnetic yog qhov tsim nyog rau kev kuaj pom qhov tsis zoo ntawm qhov chaw thiab ze ntawm qhov chaw ntawm cov khoom siv ferromagnetic.
d. Kev kuaj pom qhov tsis zoo ntawm electromagnetic ultrasonic: Tsis tas yuav muaj cov khoom sib txuas, thiab nws tuaj yeem siv rau qhov kub thiab txias, ceev ceev, thiab cov yeeb nkab hlau tsis zoo.
e. Kev tshawb pom qhov tsis zoo ntawm cov yeeb nkab: fluorescence, xim, kev tshawb pom qhov tsis zoo ntawm cov yeeb nkab hlau.
3. Kev tshuaj xyuas cov tshuaj lom neeg:kev tshuaj xyuas tshuaj lom neeg, kev tshuaj xyuas cov cuab yeej (cov cuab yeej infrared CS, cov cuab yeej nyeem ncaj qha, cov cuab yeej NO, thiab lwm yam).
(1) Cov cuab yeej siv infrared CS: Tshuaj xyuas cov ferroalloys, cov khoom siv raw ua hlau, thiab C thiab S cov ntsiab lus hauv hlau.
(2) Lub tshuab ntsuas nyeem ncaj qha: C, Si, Mn, P, S, Cr, Mo, Ni, Cn, Al, W, V, Ti, B, Nb, As, Sn, Sb, Pb, Bi hauv cov qauv ntau.
(3) N-0 cuab yeej: kev tshuaj xyuas cov roj N, O.
4. Kev tshuaj xyuas kev ua haujlwm ntawm kev tswj hwm hlau
(1) Kev sim tensile: ntsuas kev ntxhov siab thiab kev hloov pauv, txiav txim siab lub zog (YS, TS) thiab cov ntsuas plasticity (A, Z) ntawm cov khoom. Cov yeeb nkab qauv ntev thiab transverse, arc duab, qauv voj voog (￠10, ￠12.5) me me txoj kab uas hla, phab ntsa nyias, txoj kab uas hla loj, phab ntsa tuab calibration deb. Lus Cim: Qhov ntev ntawm cov qauv tom qab tawg yog cuam tshuam nrog qhov loj ntawm cov qauv GB / T 1760
(2) Kev ntsuam xyuas qhov cuam tshuam: CVN, notch C hom, V hom, ua haujlwm J tus nqi J/cm2 tus qauv qauv 10 × 10 × 55 (hli) tus qauv tsis yog tus qauv 5 × 10 × 55 (hli).
(3) Kev xeem qhov nyuaj: Brinell hardness HB, Rockwell hardness HRC, Vickers hardness HV, thiab lwm yam.
(4) Kev sim hydraulic: kev sim siab, lub sijhawm ruaj khov siab, p = 2Sδ / D.
5. Cov yeeb nkab hlau tsis muaj qhov txuaskev tshuaj xyuas kev ua haujlwm ntawm cov txheej txheem
(1) Kev sim ua kom tiaj tus: cov qauv puag ncig C-puab qauv (S/D>0.15) H=(1+2)S/(∝+S/D) L=40~100mm, tus coefficient deformation ib chav ntev=0.07~0.08
(2) Kev sim rub lub nplhaib: L = 15mm, tsis muaj qhov tawg yog tsim nyog
(3) Kev sim flaring thiab curling: qhov nruab nrab taper yog 30 °, 40 °, 60 °
(4) Kev sim khoov: Nws tuaj yeem hloov qhov kev sim flattening (rau cov kav dej loj)
6. Kev tshuaj xyuas metallographic ntawmcov yeeb nkab tsis muaj qhov txuas
Kev ntsuam xyuas qhov loj me (kev tshuaj xyuas me me), kev ntsuam xyuas qhov loj me me (kev tshuaj xyuas macroscopic) kev ntsuam xyuas cov plaub hau zoo li lub pej thuam los tshuaj xyuas qhov loj me ntawm cov khoom tsis yog hlau, qhia cov ntaub so ntswg qis thiab qhov tsis zoo (xws li xoob, sib cais, npuas dej hauv qab, thiab lwm yam), thiab tshuaj xyuas tus lej, ntev thiab kev faib tawm ntawm cov plaub hau.
Cov qauv qis-magnification (macro): Cov pob dawb pom tseeb, cov khoom suav nrog, cov npuas subcutaneous, daim tawv nqaij tig thiab delamination tsis raug tso cai rau ntawm qhov kev tshuaj xyuas qis-magnification cross-sectional acid leaching test pieces ntawm seamless steel pipes.
Kev teeb tsa lub zog siab (microscopic): Tshuaj xyuas nrog lub tshuab hluav taws xob muaj zog siab. Kev sim kab plaub hau ntawm lub pej thuam: sim tus lej, qhov ntev thiab kev faib tawm ntawm cov kab plaub hau.
Txhua pawg ntawm cov kav hlau tsis muaj seamless uas nkag mus rau hauv lub Hoobkas yuav tsum muaj daim ntawv pov thawj zoo uas ua pov thawj qhov kev ncaj ncees ntawm cov ntsiab lus ntawm cov kav hlau tsis muaj seamless.
Lub sijhawm tshaj tawm: Cuaj hlis-18-2023