O sɛgɛsɛgɛrikɛyɔrɔ la, sɛgɛsɛgɛrikɛyɔrɔ la, sɛgɛsɛgɛrikɛyɔrɔ min be Zhejiang mara la, sɛgɛsɛgɛrikɛla tun be baara kɛra ni 3-coordinate ye walisa k’a lɔn a be se ka muɲu cogo min na . nɛgɛ nɛgɛw .ani a y’a ye ko radial drout fili min be sɔrɔ fɛnw ɲɔgɔndan na, o tɛmɛna 0,05mm kan, o kɛra sababu ye ka fɛnw ɲɔgɔndan bɛɛ labɛn kokura. O koo be koo jɔnjɔn dɔ yira: nɛgɛ minw be se ka muɲu ani u be se ka yɛlɛma cogo min na, u b’a yira ka gwɛ k’u be se ka yɛlɛma ani k’u be se ka la u la. Nin barokun bena bololabɔli "tiɲɛn" sɛgɛsɛgɛ ka bɔ hakilina jɔnjɔnw, tagamasiɲɛ jɔnjɔnw, sɛrɛkili danfaraw, dilan cogow ani sɛgɛsɛgɛli fɛɛrɛw, walasa ka baarakɛyɔrɔw ni baarakɛlaw dɛmɛ u kana farati ɲumanw sɔrɔ minw be sɔrɔ sariyaw fɛ minw ma gwɛ.
Kɔnɔw
1. Ka to sen kan ani ka tiɲɛn fɔ: bolokɔnw dilan cogo jɔnjɔnw sɛgɛsɛgɛli .
2. Dimensiyɔn: paramɛtiri jɔnjɔnw minw be se ka yɛlɛma .
3. Geometri muɲuli: mɔgɔfagala yebaliw minw be nɔɔ to baarakɛcogo tiɲɛn kan .
4. Surface grimace: danfara sariyaw ka bɔ izini ka taga furakɛli la .
5. Ka kɛɲɛ ni sariyaw ye minw be sɔrɔ baarakɛcogo sifa caaman na .
6. Dilanni kɛcogow be nɔɔ min to muɲuli kan: ka fɛnw dilan vs buging vs .
7. Kɔrɔbɔli fɛɛrɛw ani baarakɛminanw: cogo di an be se k’o tiɲɛn sɛgɛsɛgɛ, o be bɛn ni sariyaw ye?
8. Sugandili gafe: Sanga min bɛnnin lo ka kɛɲɛ ni baarakɛcogo ye, o sugandi .
1. Ka to ka to sen na ani ka tiɲɛn fɔ: bololafɛnw dilan cogo jɔnjɔnw sɛgɛsɛgɛli .
Nɛgɛ bolow ka muɲuli n’u ka tiɲɛtigiya ye "dimensional tiɲɛ" ani "barika ɲuman" kɔlɔsili fila ye:
Sanfɛ: yɛlɛmani hakɛ min be se ka kɛ, i n’a fɔ dingɛ diamɛtiri φ50mm±0.02mm;
Tiɲɛni: i n’a fɔ dimensiyɔnw ka tiɲɛn, cogoya tiɲɛn (i n’a fɔ koori), lɔyɔrɔ tiɲɛn (i n’a fɔ koksialite).
Sisitɛmu jɔnjɔn:
Sinuwaw ka jamana ka sariya: GB/T 1800.1 (min be se ka muɲu), GB/T 1184 (a labɛn ani a lɔyɔrɔ);
Duniɲa ka sariya: ISO 2768 (min be muɲu), ISO 1101 (a muɲucogo);
Lizini ka baarakɛcogow: JB/T 7279 (fɛɛrɛw ka fɛɛrɛw bɛɛ) masinw dilanyɔrɔ kama, YY/T 0918 (sariya minw be kɛ ka minanw kɔnɔfɛnw sɛgɛsɛgɛ) furakɛli baara kama.
2. Dimensiyɔn: paramɛtiri jɔnjɔnw minw be se ka yɛlɛma .
1. Ka to ka yɛlɛma yɛlɛma .
| bonya | Lizini bolola (mm) . | Dɔgɔtɔrɔya bolo (mm) | Minɛnw bolo (mm) . |
|---|---|---|---|
| Kɛnɛma bonya (D) | ±0.2 (IT12 grade) | ±0,05 (IT8 ka grade) | ±0.02 (IT6 grade) |
| Aperture (d) | ±0,15 (IT11 grade) | ±0.03 (IT7 grade) | ±0.01 (IT5 ka grade) |
| Teliya (H) | ±0.3 (IT13 grade) | ±0.1 (IT9 ka grade) | ±0.05 (IT7 grade) |
Kibaruya sangali:
Masini minɛn bolo (industrie grade) ka aperture tolerance be tɛmɛ muɲuli kan ni 0,08mm ye, o be se ka kɛ sababu ye ka yɛlɛma ni sɔgɔlan ye ani ka 0,5mm bɔ a la opereli wagati la;
Opereli mikorosikopu bolo (dɔgɔtɔrɔso) be se ka yɛlɛma ±0,01mm la, o min b’a to yɛlɛmani be se ka kɛ degere 0,01 ye .
2. Tasuma min ka kan ka kɛ, o sugandi .
Ɲɛfɔli: a be bɛn bolokuru ni sɔgɔlan cɛ (i n’a fɔ H7/g6), lizini- kilasi 0,02-0.05mm, furakɛli-kalan 0.005-0.01mm;
Ɲɔgɔnkunbɛn: H7/s6 be kɛ ka baara kɛ ni yɔrɔ kɛrɛnkɛrɛnninw ye (i n’a fɔ yɔrɔ minw ka bon-temperature lamini), ni muɲuli hakɛ ye -0,03 ka taga -0,01mm ye walisa ka la a la ko yɔrɔ si tɛ yen.
3. Ka muɲu ani ka lɔyɔrɔ sɔrɔ: mɔgɔfagala yebali min be nɔɔ to baarakɛcogo ɲuman kan .
1. muɲubali .
Boli: Falenfɛn minw be sɔrɔ iziniw la, olu hakɛ ka dɔgɔ ni 0,1mm ye wala min be bɛn 0,1mm ma (a 200mm), furakɛli hakɛ min ka dɔgɔ ni 0,02mm ye wala min be bɛn 0,02mm ma;
Ko: Bololafɛn dɔ ka ɲɔgɔndan be tɛmɛ 0,2mm kan, o be na ni 15% ye baarakɛcogo la, o min be nɔɔ to valve dayɛlɛli ni datuguli tiɲɛn kan.
Flatness: Bolo min be yɛlɛma, izini ka grade ka dɔgɔ ni 0,15mm ye wala min be bɛn 0,15mm ma, furakɛli sɛgɛsɛgɛri min be kɛ ni 0,05mm ye wala min be bɛn n’o ye, a be se ka lɔn: muru min be se ka yɛlɛma.
2. Ka muɲu .
Coaxiality: Coaxiality min be aperture ni kɛnɛma yɔrɔ cɛ, izini ka grade hakɛ ka dɔgɔ ni 0,1mm ye wala min be bɛn 0,03mm ma, a ka kan ka kɛ 0,03mm ye wala a be bɛn 0,01mm ma;
Sumanni yɛrɛ yɛrɛ la: Ni kokɛli ka ca ni 0,05mm ye, radial bɔli be caya ni 0,08mm ye tuma min na bolokuru be yɛlɛma, o min be nɔɔ to minanw lɔyɔrɔ tiɲɛn kan.
Tagamasiɲɛ: Kumaɲɔgɔnya ɲɔgɔndan, izini ka grade hakɛ min ka dɔgɔ ni 0,5mm ye, furakɛli sɛgɛsɛgɛli hakɛ min ka dɔgɔ ni 0,2mm ye, min sɛgɛsɛgɛra ni saba-coordinate sumanikɛlan ye.
4. Surface grouness: A be dan na dan na ka bɔ izini ka kalan na ka taga a bila furakɛli la .
1. Tɔɔrɔ min be sɔrɔ . fɛn suguya caaman (Ra, μm)
Lizini grade (yɔrɔ min lɔnna): Ra 3,2-6.3, 0,3-0,5mm, o b’a to anti-slip versiyɔn sɛgɛsɛgɛli ka bon ni 0,6 ye walima a be bɛn 0,6 ma;
Dɔgɔtɔrɔ (min be yɛlɛma yɛlɛma): Ra Less ka tɛmɛ 0,8 kan wala min be bɛn n’a ye, a be se ka se Ra Less ma ka tɛmɛ 0,4 kan wala min be bɛn 0,4 ma, a be se ka yɔrɔ min ka nɔgɔ (banakisɛ be yen .<10CFU/cm²);
O la, a be se ka kɛ ko mɔgɔw be ɲɔgɔn minɛ cogo min na (superfine): Ra Less ka tɛmɛ 0,2 kan wala min be bɛn n’o ye, min be kɛ ka bololafɛnw kɛ ka baarakɛminanw kɛ walisa ka miiri.
2. A be nɔɔ min to baarakɛcogo kan .
baarawbololanɛgɛdumunikɛlan dɔ ka mugu be sɔrɔ a la sabu a ka gɛrɛntɛ be se ka kɛ 1,6 ye, o min be dɔ fara saniyako gɛlɛya kan ni 30% ye;
O minɛn min be se ka 0,1 wala min be se ka kɛ 0,1 ye, ani a be se ka 0,001mm yɛlɛma, o bolo be se ka kɛ 0,001mm ye.
5. Sankaso ka ɲɛsin sariyaw ma minw be se ka kɛ ka baara kɛ ni baarakɛcogo sifa caaman ye .
1. Lizini dilan cogoya .
Ka to ka baara kɛ: IT10-IT12, min bɛnnin lo ni masin gansanw ye, vannew, n’a ɲɔgɔnnaw;
Ɲɛyirali jɔnjɔnw: aperture muɲuli ±0,1mm, koorinin min ka dɔgɔ ni 0,08mm ye wala min be bɛn n’o ye, yɔrɔ min be nɔgɔ bɔ Ra 3,2;
O la, a be se ka kɛ ko mɔgɔw be ɲɔgɔn minɛ ni 0,2mm ye walisa ka se ka baara kɛ cogo gwɛlɛw la.
2. Dɔgɔtɔrɔya minanw ka koow cogoya .
A be se ka fɔ: IT6-IT8, min ka ɲi ka kɛ ka baara kɛ ni tabali ni mikroskopu yɛlɛmani ye;
Ɲɛyirali jɔnjɔn: aperture muɲu ±0,02mm, kokɛli min ka kan ka kɛ 0,03mm ye, a ka yɔrɔ gɛrɛfɛla la, a ka ca ni 0,4 ye wala a be bɛn 0,4 ma;
Ka kɛɲɛ ni sariyaw ye: YY/T 0918 ka laɲiniw, mankan min be kɛ ni bolokuru be yɛlɛma, o ka dɔgɔ ni 35dB ye wala min be bɛn n’o ye, a be jigi la a kan-}yɛyali kɔlɔsili kan.
3. Minɛnw ka sɛrɛkili .
Tɛmɛnkan hakɛ: IT5-}6, min be kɛ ka ɲɛsin yɔrɔ saba ma minw be se ka suma ni minɛnw ye ani fotolitogarafi masinw;
Ɲɛyirali jɔnjɔn: aperture muɲu ±0,01mm, pɛtɛli min ka dɔgɔ ni 0,01mm ye, a ka nɔgɔ Ra Less ka tɛmɛ 0,2 kan wala a be bɛn 0,2 ma;
Latigɛli laɲiniw: 10% ka ɲɔgɔndan kelen kelen bɛɛ la, o be ta ka sɛgɛsɛgɛli dafalen kɛ, ani sɛgɛsɛgɛli hakɛ min tɛ se ka kɛ, o ye fitinin ye ka tɛmɛ 0,1% kan.
6. Dilanni be nɔɔ min to muɲuli kan: ka fɛnw dilan ni fɛnw ye minw be se ka yɛlɛma .
1. Casting kɛcogo (min be se ka kɛ fɛnw ye minw ka gwɛlɛ)
Sanfɛla: IT12-IT14, aperture muɲu ±0,3mm, yɔrɔ min be nɔgɔ bɔ Ra 12,5;
Application scenario: large valve handwheel (diameter>300mm), a bonya be se ka yɛlɛma;
Fɛɛnw: bɔgɔ dingɛw ni porozitɛriw be se ka kɛ, o be na ni fili ye min ka ca ni 0,2mm ye.
2. Degun baarakɛcogo (tiɲɛn min ka di mɔgɔw ye)
Sanfɛla: IT8-IT10, aperture muɲuli ±0,1mm, yɔrɔ min be nɔgɔ bɔ Ra 6.3;
Nafaw: kɔnɔnakow ka ca, 50% ka cogoya n’a ka yɔrɔw be se ka yɛlɛma ka tɛmɛ ka fɛnw fili;
Ko: Bololafɛn dɔ be bolokuru dɔ ta, ani koksialite fili be dɔgɔya ka bɔ 0,15mm la ka kɛ 0,05mm ye.
3. Ka baara kɛcogo (tiɲɛn hakɛ ka kan ka kɛ)
Sanfɛla: IT5-IT7, aperture muɲu ±0,02mm, yɔrɔ gɛrɛntɛ Ra 1,6;
Tagamasiɲɛw: Five-} jatebɔ yɔrɔ be 0,01mm hakɛ tiɲɛtigiya sɔrɔ, min bɛnnin lo furakɛli ni semi-conducteur bolow ma;
Sɔngɔ: 30% sɔngɔ ka ca ni fɛnw ye minw be yɛlɛma, nka fiɲɛ hakɛ be dɔgɔya ka bɔ 5% la ka kɛ 0,5% ye.
7. Kɔrɔbɔli fɛɛrɛw ani baarakɛminanw: Cogo di an be se k’a sɛgɛsɛgɛ ko tiɲɛn be bɛn ni sariya ye?
1. Dimensiyɔn muɲuli lɔnniya .
A lɔnna ka ɲɛ: Vernier ka kalitɔri (a ye 0,02mm ye), mikromɛtiri (tiɲɛ 0,001mm);
Tiɲɛni lɔnniya: Sumanni kɛcogo (a ka 0,001mm, i n’a fɔ Hexagon sumanikɛlan min be kɛ ni fakitiri ye, walisa ka se ka fili 0,005mm hakɛ fili.
2. Formu ani . yɔrɔ min be se ka muɲu .
Ɲɛyirali: A ka yɛlɛma ani k’a suman, min be se ka yɛlɛma 0,1mm, 0,02mm;
mɛtiri mɛtiri: Stylus suguya lɔnniya, izini ka 3,2, furakɛli sɛgɛsɛgɛli Ra 0,4 walima a ka dɔgɔ o ma.
3. Sɛgɛsɛgɛli kɛcogo .
Sɛgɛsɛgɛli fɔlɔ dafanin: 100% sɛgɛsɛgɛli, kɛnɛma diamɛtiri, a cogoya ani a lɔyɔrɔ sɛgɛsɛgɛli;
Batch sɛgɛsɛgɛli: Ka kɛɲɛ ni GB/T 2828.1 ka sariya ye, AQL=1.0, aw k’a lajɛ ni batch hakɛ min tɛ se ka kɛ, o ka dɔgɔ ni 1% ye.
8. Sugandili gafe: Sanga min bɛnnin lo ka kɛɲɛ ni baarakɛcogo ye, o sugandi .
Sariyakolo saba minw be baarakɛcogo bɛn .
Juru sugu: doni girinman, i ka fɛnw sugandi (o muɲu IT12), doni fitinin, tilenninya, tigɛli sugandi (aw be se ka muɲu IT6 ma);
Laminikogo laɲiniw: jiman/latigɛli, ka foli + muɲuli sugandi (an ka nɔgɔ dɔgɔya min be sɔrɔ nɔgɔ bɔli fɛ);
Laɲinitaw ka kan ka kɛ: izini ka sɛgɛsɛgɛli min be kɛ ka yɔrɔw tiɲɛ > 0,1mm, furakɛli/tilennin be se ka kɛ < 0,05mm ye.
Fɛɛn jɔnjɔn minw ka kan ka kɛ walisa u kana ɲɔgɔn minɛ .
Aw k’aw janto ko “min be se ka kɛ” propagandi ye: feerekɛla min be baara kɛ ni IT14 grade grade galonw ye i n’a fɔ IT10 grade, min be na ni minanw lajɛnni ye;
Surface furakɛli be nɔɔ to muɲuli kan: kuran be se ka dɔ fara a ka bonya kan ni 0,02-0,05mm ye, ani muɲuli yɔrɔ ka kan ka mara;
Kɔrɔbɔli rapɔɔri lajɛli: CMM ka kɔrɔbɔli rapɔɔri ka kan ka kɛ, i n’a fɔ aperture, coaxiality ani gɛlɛya.
Fɔkasurunya
O la, a be se ka kɛ ko a ka ɲi ka mɔgɔw dɛmɛ u ka se ka lɔnniya sɔrɔ, ani u ka se ka ɲɔgɔn minɛ, ani ka ɲɔgɔn dɛmɛ. その結果は,ファントの結果を受けています。 A fɔ ka gwɛ n’i b’a fɛ:
Lizini cogoyaw: ka sinsin dimensiyɔn muɲuli kan (IT10{2}}T12) ani ka yɛlɛmayɛlɛma kɛlɛ (Ra 3.2);
Dɔgɔtɔrɔya cogoyaw: geometriki muɲuli kɔlɔsi ka ɲɛ (coaxiality Less ka tɛmɛ 0,03mm kan walima a ka kan) ani yɔrɔ saniyalen (Ra Less ka tɛmɛ 0,4 kan);
Minɛnw tilenninw: ka tugu tiɲɛn na (IT5-IT6) ani zero defect (sampling hakɛ 100%).
Ni GB/ISO ka sariyaw be tugu ɲɔgɔn kɔ, ka bɛn ni ɲɔgɔn ye, ani ka tugu sɛgɛsɛgɛli kɛcogo kɔ cogo nɔgɔman na, baarakɛyɔrɔw be se ka ban lajɛnbaw ka dɛsɛw la ani baarakɛcogo filiw la minw be sɔrɔ muɲuli kɛcogo juguw fɛ. I hakili to a la: tiɲɛn tɛ min ka fisa, nka "tiɲɛ tilennin" - ka balansi sɔngɔ n’a ka baarakɛcogo labɛn ka ɲɛsin baarakɛcogo ma, o ye bolola baara ye.
