Daidaitaccen zaren

Daidaitaccen jerin diamita da farar (GB/T193-2003)

Matsakaicin ma'aunin haɗin kai da diamita zai bi ka'idodin Tebura 1. A cikin tebur, ya kamata a zaɓi farar a cikin layi ɗaya kamar diamete.

Diamita na ginshiƙi. Zaɓi jerin farko na diamita na farko, jeri na biyu na diamita na biyu, sa'an nan kuma tsarin na uku ya ƙare.

Guji zabar farar a cikin maƙalai gwargwadon yiwuwa.

Ya kamata a yi amfani da zaren ƙayyadaddun bayanai guda biyu tare da bayanin kula (a, b) a cikin tebur don takamaiman amfani da aka ayyana su.

Jeri na musamman na diamita da farar:

Don madaidaitan jeri na diamita, idan ana buƙatar fiti na musamman ƙasa da wanda aka ƙayyade a cikin Table 1, yakamata a zaɓi shi daga waɗannan masu zuwa:

3mm, 2mm, 1.5mm, 1mm, 0. 75mm, 0. 5mm, 0. 35mm, 0. 25mm, 0. 2mm

Zaɓin farar ƙarami fiye da wanda aka ƙayyade a cikin Table 1 zai ƙara wahalar kera zaren

Daidai da farar a cikin Tebura 2, matsakaicin diamita na musamman da aka zaɓa bai kamata ya kasance a waje da kewayon diamita da aka ayyana a cikin Tebura 2 ba.

7.3 Babban juriya na diamita

a) Babban juriya na diamita na zaren waje:

Juriya na 6: Ta (6) -180P3-3.15

Haƙuri mataki na 4: Ta (4) =0.63Ta (6)

Haƙuri na aji 8: Ta (8) =1.6Ta (6)

Ana auna Ta a cikin microns kuma ana auna P a cikin millimeters.

b) Ƙananan juriya na zaren ciki:

Juriya na 6: 1) Lokacin 0.2mm1mm: 1 (6) = 230P0.7

Haƙuri mataki na 4: Tpi (4)=0.63 Tp (6)

Haƙuri na Grade 5: Toi (5) = 0.8 Tbi (6); Yin haƙuri na 7: Tpi (7) = 1.25 Tbi (6); haƙuri na 8: To (8) = 1.6Tp1 (6To ana aunawa a microns da P a cikin millimeters.

Iyakance sabawa (GB/T2516-2003)

Matsakaicin karkatar da ƙimar zaren tsakiyar diamita da diamita na sama an nuna su a cikin Tebu 1 (wanda aka cire).

Duk wani batu akan bayanin martaba na kasa na zaren ciki da na waje bai kamata ya wuce matsakaicin ƙaƙƙarfan bayanin martaba wanda aka ƙaddara ta asali na asali da matsayi na yanki na haƙuri. An ba da ƙimar karkatar da diamita na tebur bisa ga tsayin yanke H / 6, wanda za a iya amfani da su don lissafin damuwa na zaren waje.

Lura: Ana ƙididdige karkatar da ƙananan diamita na zaren waje azaman -(les + H/6).Sai dai in an ƙayyade, yankin haƙuri ya shafi zaren kafin sakawa.Bayan plating, babu wani ma'ana akan bayanin martabar zaren da ya kamata ya wuce matsakaicin madaidaicin bayanin martabar haƙori wanda aka ƙaddara ta wurin yanki na haƙuri H ko h. Lura: Makada haƙuri suna aiki ne kawai ga zaren da aka lulluɓe.Misali, zaren electroplating.