Bhokisi-mhando yekudzivirira choto nzira yekuisa parameter

1. Kutsunga kwekushisa kwechoto

Kana kupisa kwekukurumidza kunoshandiswa mubhokisi revira, hupenyu hwebasa hwetambo yekupikisa hunofungidzirwa. Kazhinji, tembiricha yechoto inoiswa pa920 ~ 940 ℃ (waya yekudzivirira inogadzirwa nechromium-nickel zvinhu), 940 ~ 960 ℃ (waya inodzivirira inogadzirwa nesimbi-chromium-aluminium zvinhu) kana 960 ～980 ℃ (Iyo yekupikisa waya. chinhu chine alloy components se niobium uye molybdenum).

2. Kusarudza huwandu hwevira yakaiswa

Kuwanda kwechoto chakaiswa kunowanzo kutariswa zvinoenderana nesimba rechoto uye nzvimbo yekushandisa. Nheyo yacho ndeiyi: pamusoro pemadziro evira rekutanga batch yezvishandiso zvasvika kune yakatarwa tembiricha isati yaiswa choto, uye tembiricha yevira inogona kukurumidza kudzoka kune yakatarwa tembiricha mushure mekuiswa kwega kwega. Kana mutoro wechoto wakakura uye usingafananidzi simba rechoto, kupisa kwechoto hakuzodzoserwe kwenguva yakareba, izvo zvichakanganisa kururamisa kwekuverenga nguva. Mukugadzirwa kwemazhinji, inogona “kuderedzwa kuita zvidimbu” uye kuitwa nguva dzose mumabhechi.

3. Kutsunga kwekupisa nguva

Iyo yekukurumidza kupisa nguva inowanzoverengerwa zvinoenderana nehukuru hunoshanda hweiyo workpiece cross chikamu, uye yakatemerwa zvinoenderana nemamiriro chaiwo uye zvakaitika kare:

(1) Iyo inokurumidza kupisa nguva yechidimbu chimwe chete inogona kuverengerwa seizvi:

t=ad

Iko t: kukurumidza kupisa nguva (s);

a: Kukurumidza kupisa nguva coefficient (s / mm);

d: Iyo dhayamita inoshanda kana ukobvu hweiyo workpiece (mm).

Mubhokisi-mhando yekudzivirira moto, iyo inobudirira dhayamita kana ukobvu hweworkpiece iri pasi pe100mm, uye nekukurumidza kupisa nguva coefficient a ndeye 25-30s / mm;

Iyo dhayamita inoshanda kana ukobvu hweiyo workpiece yakakura kupfuura 100mm, uye nekukurumidza kupisa nguva coefficient a ndeye 20-25s/mm.

Verenga iyo inokurumidza kupisa nguva zvinoenderana neiyo iri pamusoro fomula, iyo inofanirwa kugadziridzwa zvinoenderana neyakatemerwa tembiricha yechoto uye yakatemwa mushure mekupfuura ongororo yemaitiro.

(2) Kana zvikamu zvagadzirwa mumabhechi, mukuwedzera kune kuverengwa kweiyo fomula iri pamusoro, iyo inokurumidza kupisa nguva inofanirwa kuwedzerwa zvichienderana neiyo yakaiswa yevira vhoriyamu (m), density yechoto uye nzira yekuisa:

Kana m＜1.5kg, hapana nguva inowedzerwa;

Kana m= 1.5～3.0kg, wedzera 15.30s;

Kana m=3.0～4.5kg, mamwe 30～40s;

Kana m=4.5～6.0kg, wedzera 40～55s.