Size shugaban (diameter bututu) ne wani nau'i na bututun da aka yi amfani da bututun diameters. Yawancin hanyoyin da ake amfani da su shine matsa lamba, matsa lamba ko matsa lamba da matsa lamba, wasu ƙayyadaddun ƙayyadaddun bututun diamita za a iya amfani da matsa lamba.

a. shrinking / fadada gyara

Tsarin shrinkage ƙirƙirar babban kai shine sanya tubu mai daidai da diamita na babban ƙarshen babban kai a cikin ƙirƙirar ƙirar, ta hanyar matsawa a gaban shugabancin axial na tubu mai ƙirƙirar, don karfe ya motsa a gaban ƙirar ƙirar da rage ƙirƙirar. Dangane da girman bambance-bambance na heterogeneous tube, an raba shi zuwa ɗaya matsa matsa matsa matsa ko sau da yawa matsa matsa matsa.

b. matsawa kafa

Baya ga amfani da karfe bututu don samar da girman kai ga albarkatun kasa, wani ɓangare na ƙayyadaddun bayanai girman kai kuma za a iya samar da karfe farantin ta amfani da stamping tsari. An tsara siffar stamping da aka yi amfani da ita ne bisa ga girman girman da aka yi amfani da shi, kuma an tsara siffar stamping da aka yi amfani da shi don yin amfani da shi.

Kafin size shugaban namawa, aikace-aikace bushe masana'antu zai shafa gefen daukar da kuma waje gefen socket magani, lokacin da farfajiyar namawa da man fetur dole ne a shafa da acetone tsabta, akwai wadannan abubuwa da za a lura:

1. Kula da calibre: DIN misali (DN10-DN150), 3A / IDF misali (1/2 "-6"), ISO misali (Ф12.7-Ф152.4);

2, masana'antu misalai: DIN, ISO, SMS, 3A, IDF da sauransu;

3, samfurin kayan: bakin karfe 304, 316, 316L;

4, inganci da kuma amfani: girman kai a ciki da waje da polishing kayan aiki sarrafawa, cimma surface daidaito bukatun; Wannan samfurin ya dace da kayan madara, abinci, giya, abin sha, magunguna, kayan ado da sauran masana'antu;

5, waje sarrafawa: za a iya tsarawa bisa ga bukatun mai amfani, samfurin sarrafawa na kayayyakin da ba na yau da kullun ba;

6, Hanyar haɗi: Clamp (saurin shigarwa) irin, walda irin, thread (live) irin.

Lura size shugaban kuma dace da bututun canji a cikin ƙura kawar da masana'antu, yawanci ne karfe farantin coiled yankan walda, bututun diamita size daban-daban, kayan

Yawancin lokaci ne zafi madaidaicin ruwan, aikace-aikace ne sosai kyau, kuma zai iya adana kudin.