Tebụl ntụnyere ekweghị ekwe nkịtị | Nchịkọta Kachasị zuru oke

HV, HB, na HRC bụ ntụle nke ike siri ike ejiri na nyocha ihe. Ka anyị gbarie ha:

1)HV ike ike (Vickers ike ike): Isi ike HV bụ ihe nrịbama nke ihe na-eguzogide ntinye. A na-ekpebi ya site n'itinye ibu ama ama n'elu ihe ahụ site na iji ihe ntinye diamond ma na-atụle nha nke ntinye aka na-esi na ya pụta. A na-egosipụta ike HV na nkeji nke Vickers hardness (HV) ma na-ejikarị eme ihe maka ihe ndị dị mkpa, mkpuchi na obere akụkụ.

2)HB ike siri ike (Brinell ike ike): Isi ike HB bụ ihe ọzọ e ji egosi nguzogide ihe onwunwe na ntinye. Ọ na-agụnye itinye ibu amaara ama na ihe ahụ site na iji mgbanaka bọọlụ nchara siri ike ma tụọ dayameta nke ntinye n'ime ya. A na-egosipụta ike siri ike HB na nkeji nke Brinell hardness (HB) ma na-ejikarị eme ihe maka ihe ndị buru ibu na nke buru ibu, gụnyere ọla na alloys.

3) ike ike HRC (Rockwell ike ike): Isi ike HRC bụ ihe nledo nke ihe na-eguzogide ntinye ma ọ bụ ntinye. Ọ na-eji akpịrịkpa dị iche iche (A, B, C, wdg) dabere na usoro nnwale a kapịrị ọnụ na ụdị indenter ejiri (cone diamond ma ọ bụ bọọlụ siri ike). A na-ejikarị ọnụ ọgụgụ HRC eme ihe maka ịlele ike nke ihe ọla. A na-anọchi anya uru ike siri ike dị ka ọnụọgụ na nha HRC, dị ka HRC 50.

 

Tebụlụ ntụnyere ike HV-HB-HRC a na-ejikarị:

Tebụlụ ntụnyere ike ike igwe a na-ahụkarị (ntụgharị ike dị ka)
Nkewa isi ike

Ike ọdụdọ

N/mm2

Rockwell Vickers Brinell
HRC HRA HV HB
17 - 211 211 710
17.5 - 214 214 715
18 - 216 216 725
18.5 - 218 218 730
19 - 221 220 735
19.5 - 223 222 745
20 - 226 225 750
20.5 - 229 227 760
21 - 231 229 765
21.5 - 234 232 775
22 - 237 234 785
22.5 - 240 237 790
23 - 243 240 800
23.5 - 246 242 810
24 - 249 245 820
24.5 - 252 248 830
25 - 255 251 835
25.5 - 258 254 850
26 - 261 257 860
26.5 - 264 260 870
27 - 268 263 880
27.5 - 271 266 890
28 - 274 269 900
28.5 - 278 273 910
29 - 281 276 920
29.5 - 285 280 935
30 - 289 283 950
30.5 - 292 287 960
31 - 296 291 970
31.5 - 300 294 980
32 - 304 298 995
32.5 - 308 302 1010
33 - 312 306 1020
33.5 - 316 310 1035
34 - 320 314 1050
34.5 - 324 318 1065
35 - 329 323 1080
35.5 - 333 327 1095
36 - 338 332 1110
36.5 - 342 336 1125
37 - 347 341 1140
37.5 - 352 345 1160
38 - 357 350 1175
38.5 - 362 355 1190
39 70 367 360 1210
39.5 70.3 372 365 1225
40 70.8 382 375 1260
40.5 70.5 377 370 1245
41 71.1 388 380 1280
41.5 71.3 393 385 1300
42 71.6 399 391 1320
42.5 71.8 405 396 1340
43 72.1 411 401 1360
43.5 72.4 417 407 1385
44 72.6 423 413 1405
44.5 72.9 429 418 1430
45 73.2 436 424 1450
45.5 73.4 443 430 1475
46 73.7 449 436 1500
46.5 73.9 456 442 1525
47 74.2 463 449 1550
47.5 74.5 470 455 1575
48 74.7 478 461 1605
48.5 75 485 468 1630
49 75.3 493 474 1660
49.5 75.5 501 481 1690
50 75.8 509 488 1720
50.5 76.1 517 494 1750
51 76.3 525 501 1780
51.5 76.6 534 - 1815
52 76.9 543 - 1850
52.5 77.1 551 - 1885
53 77.4 561 - 1920
53.5 77.7 570 - 1955
54 77.9 579 - 1995
54.5 78.2 589 - 2035
55 78.5 599 - 2075
55.5 78.7 609 - 2115
56 79 620 - 2160
56.5 79.3 631 - 2205
57 79.5 642 - 2250
57.5 79.8 653 - 2295
58 80.1 664 - 2345
58.5 80.3 676 - 2395
59 80.6 688 - 2450
59.5 80.9 700 - 2500
60 81.2 713 - 2555
60.5 81.4 726 - -
61 81.7 739 - -
61.5 82 752 - -
62 82.2 766 - -
62.5 82.5 780 - -
63 82.8 795 - -
63.5 83.1 810 - -
64 83.3 825 - -
64.5 83.6 840 - -
65 83.9 856 - -
65.5 84.1 872 - -
66 84.4 889 - -
66.5 84.7 906 - -
67 85 923 - -
67.5 85.2 941 - -
68 85.5 959 - -
68.5 85.8 978 - -
69 86.1 997 - -
69.5 86.3 1017 - -
70 86.6 1037 - -

Ndụmọdụ ntụgharị maka mgbanwe HRC/HB

Isi ike dị elu karịa 20HRC, 1HRC≈10HB,
Isi ike dị ala karịa 20HRC, 1HRC≈11.5HB.
Nkwupụta: Maka ịkpụ nhazi, enwere ike ịtụgharị ya n'otu n'otu 1HRC≈10HB (ike nke ihe eji arụ ọrụ nwere oke mgbanwe)

 

Isi ike nke ihe igwe

Isi ike na-ezo aka n'ikike nke ihe nwere ike iguzogide nrụrụ mpaghara, ọkachasị nrụrụ plastik, ntinye ma ọ bụ ncha. Ọ bụ ndeksi iji tụọ ịdị nro na ike nke ihe ahụ.

Dị ka ụzọ ule dị iche iche si dị, a na-ekewa ike ike n'ime ụdị atọ.
Ikpochapu ike. A na-ejikarị ya atụnyere ịdị nro na ike nke mineral dị iche iche. Usoro bụ ịhọrọ mkpanaka nke nwere otu njedebe siri ike na njedebe nke ọzọ dị nro, nyefee ihe a ga-anwale n'akụkụ mkpanaka ahụ, ma chọpụta ike nke ihe a ga-anwale dịka ọnọdụ nke ncha. N'ikwu okwu nke ọma, ihe ndị siri ike na-eme ogologo ncha na ihe dị nro na-eme mkpụmkpụ.

Isi ike nbanye. A na-ejikarị eme ihe maka ígwè, usoro a bụ iji ụfọdụ ibu iji pịa kpọmkwem indenenter n'ime ihe a ga-anwale, ma tụnyere nro na ike nke ihe a ga-anwale site na nha nke nrụrụ plastik mpaghara n'elu. ihe. N'ihi ọdịiche nke indenenter, ibu na ogologo oge ibu, enwere ọtụtụ ụdị ike ike indentation, ọkachasị gụnyere Brinell hardness, Rockwell hardness, Vickers hardness na microhardness.

Isi ike nlọghachi. A na-ejikarị ya eme ihe maka ígwè, usoro a bụ ime ka obere hama pụrụ iche daa n'enweghị ihe ọ bụla site n'ịdị elu ga-emetụta ihe nlele nke ihe a ga-anwale, ma jiri ọnụọgụ ike echekwara (ma wepụta ya) na nlele n'oge oge. mmetụta (site na nlọghachi nke obere hama) tụọ elu elu) iji chọpụta ike nke ihe.

Ihe siri ike Brinell na-ahụkarị, hardness Rockwell na ike siri ike nke ihe igwe bụ nke ike indentation. Uru siri ike na-egosi ikike nke elu ihe ahụ iji gbochie nrụrụ plastik nke ihe ọzọ na-agbanye n'ime ya; C) iji tụọ ike siri ike, na uru siri ike na-anọchite anya oke ọrụ nrụrụ nke ígwè.

Brinell Hardness

Jiri bọọlụ nchara agbanyụọ ma ọ bụ bọọlụ alloy siri ike nke nwere dayameta D dị ka onye ntinye, pịa ya n'elu mpempe ule ya na ike nnwale kwekọrọ F, na mgbe oge ejidere akọwapụtara, wepụ ike nnwale ahụ iji nweta indentation na. dayameta nke d. Kewaa ike nnwale ahụ site n'akụkụ elu nke indentation, uru ga-esi na ya pụta bụ uru Brinell hardness, na HBS ma ọ bụ HBW nọchiri anya akara ahụ.

新闻用图3

Ọdịiche dị n'etiti HBS na HBW bụ ihe dị iche na indenenter. HBS pụtara na indenenter bụ bọọlụ nchara siri ike, nke a na-eji tụọ ihe nwere uru siri ike Brinell dị n'okpuru 450, dị ka igwe dị nro, igwe nkedo isi awọ na ọla ndị na-abụghị igwe. HBW pụtara na indenter bụ carbide cemented, nke a na-eji tụọ ihe nwere uru siri ike brinell n'okpuru 650.

Maka otu ngọngọ ule ahụ, mgbe ọnọdụ ule ndị ọzọ bụ otu kpọmkwem, nsonaazụ nke ule abụọ ahụ dị iche, na uru HBW na-adịkarị karịa uru HBS, ọ dịghịkwa iwu ọnụọgụ ọnụọgụ ga-agbaso.

Mgbe afọ 2003 gachara, obodo m anabatala ụkpụrụ mba ụwa, kagbuo ihe nrịbama igwe, yana isi bọọlụ carbide niile ejirila ya. Ya mere, a kwụsịrị HBS, a na-ejikwa HBW nọchite anya akara ike Brinell. N'ọtụtụ ọnọdụ, a na-egosipụta ike Brinell naanị na HB, na-ezo aka na HBW. Otú ọ dị, a ka na-ahụ HBS site n'oge ruo n'oge na akwụkwọ edemede.

Usoro nrịba siri ike nke Brinell dabara adaba maka ígwè nkedo, alloys na-abụghị nke ígwè, nchara dị iche iche annealed na quenched na tempered, na adabaghị maka nlele sample ma ọ bụ.cnc ntụgharị akụkụnke siri ike, pere mpe, dị gịrịgịrị, ma ọ bụ nke na-adịghị ekwe ka nnukwu nbanye n'elu.

Rockwell Hardness

Jiri cone diamond nwere akụkụ cone nke 120° ma ọ bụ Ø1.588mm na Ø3.176mm bọọlụ nchara menyụọ dị ka ihe ntinye na ibu iji kwado ya. Ibu mbụ bụ 10kgf na ngụkọta ibu bụ 60, 100 ma ọ bụ 150kgf (ya bụ, ibu mbụ gbakwunyere ibu bụ isi). A na-egosipụta ike siri ike site na ọdịiche dị n'etiti ihe omimi nke ntinye mgbe a na-ewepụ isi ihe na ntinye aka mgbe a na-ejigide ibu isi na ntinye ntinye n'okpuru ibu mbụ mgbe a na-etinye ihe niile.

新闻用图1

 

   Nnwale hardness Rockwell na-eji ike ule atọ na indenters atọ. Enwere ngwakọta 9 n'ime ha, kwekọrọ na akpịrịkpa 9 nke hardness Rockwell. Ngwa nke ndị ọchịchị 9 ndị a na-ekpuchi ihe fọrọ nke nta ka ọ bụrụ ihe niile eji eji ígwè eme ihe. Enwere HRA atọ a na-ejikarị, HRB na HRC, n'ime nke HRC ka a na-ejikarị eme ihe.

Tebụlụ nkọwapụta ule hardness Rockwell nke a na-ejikarị:

Isi ike
akara

Ụdị isi
Mkpokọta ike ule
F/N (kgf)

Isi ike
oke

Ọmụmaatụ ngwa
HRA
120°
cone diamond
588.4 (60)
20-88

Carbide, mmanụ aṅụ,
Igwe anaghị agba nchara siri ike wdg.

HRB
Ø1.588mm
Bọọlụ nchara emenyụ
980.7 (100)
20-100

Annealed, nchara nkịtị, aluminum alloy
Gold, ọla kọpa alloy, nkedo ígwè

HRC
120°
cone diamond
1471 (150)
20-70

ígwè siri ike, agbanyụ na ọkụ, miri emi
akwa akwa akwa akwa ígwè

 

   Oke nke ojiji nke HRC ọnụ ọgụgụ bụ 20 ~ 70HRC. Mgbe uru hardness bụ ihe na-erughị 20HRC, n'ihi na conicalaluminum cnc machining akụkụnke indenter na-enwe ike nke ukwuu, uche na-ebelata, na HRB ọnụ ọgụgụ kwesịrị iji kama; mgbe ike nke ihe nlele ahụ karịrị 67HRC, nrụgide dị n'ọnụ ọnụ nke onye na-eme ihe dị ukwuu, na diamond na-adị mfe imebi. A ga-eme ka ndụ onye na-eme ihe dị mkpụmkpụ dị mkpụmkpụ, yabụ, a ga-eji ọnụ ọgụgụ HRA mee ihe n'ozuzu ya.

Nnwale ike ike Rockwell dị mfe, ngwa ngwa na obere ntinye, ma nwee ike nwalee elu ngwaahịa emechara yana ihe arụ ọrụ siri ike ma dị gịrịgịrị. N'ihi obere indentation, n'ihi na ihe ndị na-erughị eru Ọdịdị na ike siri ike, ike ike uru na-agbanwe nke ukwuu, na izi ezi adịghị elu dị ka Brinell ike. A na-eji hardness Rockwell iji chọpụta ike nke igwe, ọla ndị na-abụghị nke igwe, alloys siri ike, wdg.

Vickers ike ike Vickers isi ike
Ụkpụrụ nke nha ike ike Vickers yiri nke Brinell hardness. Jiri pyramid square diamond nwere akụkụ agụnyere 136 Celsius ka ịpịnye n'elu ihe ahụ na ike nnwale a kapịrị ọnụ, wee wepụ ike nnwale ahụ ka ị nwesịrị oge a kapịrị ọnụ. A na-egosipụta ike siri ike site na nkezi nrụgide na mpaghara elu otu nke ntinye pyramid square. Uru, akara akara bụ HV.

新闻用图2

   Ogologo nha ike siri ike nke Vickers buru ibu, ọ nwekwara ike tụọ ihe siri ike sitere na 10 ruo 1000HV. Ntinye ya dị ntakịrị, a na-ejikarị ya atụta ihe ndị dị gịrịgịrị na elu ndị siri ike dị ka carburizing na nitriding.

Ike ike Leeb ike
Jiri ahụ mmetụta nwere ụfọdụ isi bọọlụ tungsten carbide iji metụta elu nke mpempe ule n'okpuru omume nke ụfọdụ ike, wee maliteghachi. N'ihi ike dị iche iche nke ihe, nkwụghachi ọsọ ọsọ mgbe mmetụta dị iche iche. A na-etinye magnet na-adịgide adịgide na ngwaọrụ mmetụta. Mgbe ahụ mmetụta ahụ na-agbago elu na ala, eriri igwe dị n'akụkụ ya ga-eme ka mgbama electromagnetic dabara na ọsọ, wee gbanwee ya ka ọ bụrụ uru siri ike Leeb site na sekit eletrọnịkị. Akara akara a ka HL.

The Leeb hardness tester adịghị mkpa a worktable, na ekweghị ekwe ihe mmetụta dị ka obere ka a pen, nke nwere ike na-arụ ọrụ ozugbo site n'aka, na ike na-adị mfe achọpụta ma ọ bụ a nnukwu, arọ workpiece ma ọ bụ a workpiece na mgbagwoju geometric akụkụ.

Uru ọzọ nke siri ike Leeb bụ na ọ nwere ntakịrị mmebi n'elu ngwaahịa ahụ, na mgbe ụfọdụ enwere ike iji ya mee ihe dị ka ule na-adịghị emebi emebi; ọ bụ ihe pụrụ iche na ule siri ike n'akụkụ niile, oghere dị warara na pụrụ icheakụkụ aluminom.

 

Anebon na-agbaso n'ụkpụrụ "Eziokwu, onye na-arụsi ọrụ ike, onye na-azụ ahịa, ihe ọhụrụ" iji nweta ngwọta ọhụrụ mgbe niile. Anebon na-ele anya, ihe ịga nke ọma dị ka ihe ịga nke ọma nke onwe ya. Ka Anebon wuo aka n'ọdịniihu na-aga nke ọma maka akụkụ brass machined na Complex titanium cnc part / stamping ngwa. Anebon ugbu a nwere ngwa ahịa zuru oke yana ọnụahịa ire ere bụ uru anyị. Nnọọ ịjụ ajụjụ maka ngwaahịa Anebon.

Trending Ngwaahịa China CNC Machiging Part na nkenke akụkụ, n'ezie kwesịrị ihe ọ bụla n'ime ihe ndị a ga-amasị gị, biko mee ka anyị mara. Anebon ga-enwe obi ụtọ ịnye gị nhota mgbe ị natachara nkọwapụta nke mmadụ. Anebon nwere ndị injinia R&D ọkachamara n'onwe anyị iji gboo ihe ọ bụla achọrọ. Anebon na-atụ anya ịnata ajụjụ gị n'oge adịghị anya ma nwee olile anya na ị ga-enwe ohere iso gị rụkọọ ọrụ n'ọdịnihu. Nnọọ ileba anya na nzukọ Anebon.

 

 

 


Oge nzipu: Mee-18-2023
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