Area launi shambura - musamman tebur da kuma shawarwari

Paint shambura ne m hanya, wanda taka wata rawa ba kawai na ado, amma kuma prolongs da rai daga cikin bututun. Paint aikin yi da irin wannan kaya a matsayin share fage da kuma fenti. Amma yadda za a tantance yadda za yawa da suke bukatar su da isasshen, kuma da ragi da aka bar? Shi ne musamman wuya a yi wannan a lokacin da shirin wani babban adadin aiki, misali, sadarwa aiki a rarraba tashar. Don yadda ya kamata lissafi da adadin Paint ka bukatar ka san launi yankin na bututu. Don koyon yadda za a lissafta shi, za mu yi magana da kara.

iri na bututu

Da farko, ya kamata a lura a kan Paint amfani za a rinjayi ba kawai ta da girman da bututu, amma kuma su siffar da kuma tsarin da kayan daga wanda an yi su. Alal misali, shafi na santsi da kuma corrugated kayayyakin na wannan size za bukatar daban-daban yawa na coatings.

Bututu iya samun sosai daban-daban siffar da kuma sashe size. Dangane da wadannan sigogi, ƙaddara da ikon yinsa, da kuma aiki na bututu kayayyakin. Mafi na kowa nau'i na cylindrical shambura tare da madauwari giciye-sashe, mafi sau da yawa amfani domin gina bututun iskar gas da kuma bututun.

A rare irin karfe da yi ne profiled bututu da ciwon giciye sashe da wasu fiye da madauwari. Suna iya zama m, square da rectangular. Daga cikin su akwai Frames Tsarin, daban-daban karfe Tsarin, benaye da kuma Al'arshinSa.

Corrugated tube tare da wani zagaye giciye sashe aka yi amfani da shiri na karkashin kasa pressureless cikin gida da kuma masana'antu najasa tsarin, hadari sewers.

Akwai kuma mazugi-siffa tube. Su ake nufi don pressurization tsarin.

ma'aunai

Don lissafi da adadin Paint kayan a hanyoyi biyu: ta yin amfani da musamman tebur ko ta hanyar yin amfani da lissafi dabarbari. Kuma a gaskiya, da kuma a cikin wani hali, kana bukatar ka yi m ma'aunai na samfur.

Idan akwai wani tebur kala square bututu, muna bukatar kawai sami a shi da wani matsayi da guda girma sigogi kamar yadda samu daga ma'aunai, da kuma view tawada amfani ko share fage. Lissafin lokuttan yin amfani da dabarbari - mafi rikitarwa, amma ba kasa tasiri hanya. Don sanin ko launi yanki bututu takamaiman siffar da giciye sashe, da dacewa dabara.

cylindrical shambura

Don yin lissafin, shi wajibi ne don sani da tsawon da bututu da kuma ta m radius. A tsawon aka auna a mita, da kuma zangon - a millimeters. Yi amfani da wadannan dabara:

S = 2 x π * R x L, inda:

• S - bututu yanki da za a fentin.
• π - pi daidai 3.14;
• R - radius.
• L - tsawon.

Alal misali, sa'ad da tube tsawon 10 m da diamita na 60 mm, ta surface yankin zai zama 1,88 sq. m.

A wannan lissafi da aka lasafta, da kuma canza launi yanki lambatu bututu. The kawai bambanci tsakanin wadannan constructions ne manyan. Alal misali, a cikin najasa rijiyoyin diamita iya zama 70-200 cm A irin haka ne, tushen wani misali tsawo na wadannan kayayyakin -. 90 cm.

Area canza launi bututu profile

Domin sanin darajar amfani wajibi ne a san:

• da tsawo daga gefe daya daga cikin bututu (H).
• da tsawo daga cikin bangaren (W).
• tsawon (L).

Lissafi an yi amfani da wadannan dabara: S = 2 x H x L + 2 x W x L. Alal misali, lokacin da tsawon da tsawo na 10 m kuma tarnaƙi - 10 da kuma 5 cm, yankin da za a mai rufi zai zama 3 sq. mita.

Square karfe bututu kala conical

A bututu tare da truncated mazugi matakan da wadannan sigogi:

• tsawon (L).
• diamita na karami da'irar (R1).
• diamita na ya fi girma da'irar (R2).

Don sanin ko launi sarari amfani bututu dabara S = 2 x π x R1 x L + π x (R1 x R1 + R2 x R2). Alal misali, idan da zane tsawon zai zama 10 m, da kuma radii ne daidai da 3 da kuma 6 cm, jimlar yanki ne game da 2 mita.

corrugated bututu

A irin kayayyakin da mafi wuya a daidai lissafi da surface area, saboda za su iya a ja tare da tsawon. Domin sauƙi na lissafi, duk dabi'u samu a cikin ma'aunai, shi ne bu mai kyau don en, a rubuta a cikin wani nau'i na tebur.

Saboda haka, da bukatar kafa da wadannan sigogi:

• radius daga curvature (A);
• lebur tsinkaya sassa a tsawon kuma diamita (B, D).
• mataki size corrugations (C).
• kwana m rabo (E).
• da tsawo daga cikin corrugated rabo (F).
• Samfurin zane mai line (G).

A wani takamaiman misali, ka yi la'akari da yadda lissafin suna da za'ayi. Ga misali, da darajar A daidai yake 3 mm. Domin sanin girman da taso ɓangare na dabara 2 x π x A aka yi amfani da haka, a 18,84 mm. D darajar kamata a ninki biyu, bari ya zama daidai da 20 mm. Bisa ga sama data, wanda zai iya sanin ko tsawon na corrugations a miƙa fom - 38,84 mm.

Ana cire karkatar, lissafta darajar E. Wannan adadi zai zama daidai da sau biyu, da diamita, Ina nufin 12 mm.

Ɗauka cewa da tsawon da samfurin ne 10 m. Don ƙidaya yawan folds, da tsawon raba da mataki 866 da kuma samun abubuwa. Next, ƙayyade tsawon na corrugated tube a miƙa yanayin. Tare da diamita na, msl, 52 mm, jimlar yankin na yi 54,92 sq. m.

Zabi na Paints

Bututu amfani ga zanen daban-daban na Paints:

• Acrylic enamel, waxanda suke da ba a abun da ke ciki na Organic kaushi, samar da wani karfi da kuma m mai sheki gama.
• Alkyd enamel gabatar sayarwa a sararin kewayon launuka. Irin wannan inks ma halin da karko, ta samar da wata m Layer ba crack da Fade.
• Ruwa-dispersive Paint. A abũbuwan amfãni daga irin wannan qagaggun hada da ikon ga m bushewa da kuma rashi na malodor. Disadvantages - matalauta jure abrasion da ruwa. Kafin yin amfani da inks da ruwa-tushen watsawa na bututu da za a mai rufi Priming wakili.
• Man Paint. Domin zanen bututu da wuya amfani. Samuwa a cikin kananan launi kewayo. Kafin zanen karfe saman, ciki har da bututu, da ake bukata da aikace-aikace na share fage, wanda zai iya samar da wani karfi bond tare da fenti. Canza launi abun da ke ciki a kan tushen da man fetur ne amfani da bushe share fage da akalla biyu yadudduka.

A lokacin da zabar da irin Paint to kala bututu wajibi ne, na farko, don mayar da hankali a kan su nufi da aiki yanayi, kamar yadda dalilai kamar zazzabi, zafi, hadarin inji lalacewa, da dai sauransu, zai dogara ne kan yadda karko na Paint, da kuma lokacin sabis bututu kansu.