Farantin sife yana da matuƙar muhimmanci a cikin injin sife don kammala aikin sife. Kowace kayan aikin sife dole ne ta zaɓi farantin sife wanda ya cika buƙatun aikinta.

Halaye daban-daban na kayan, tsarin farantin sieve daban-daban, kayan da kuma sigogi daban-daban na injin sieve duk suna da wasu tasiri akan ƙarfin tantancewa, inganci, saurin gudu da tsawon rayuwar allon girgiza. Farantin sieve don cimma mafi kyawun tasirin nunawa.

Dangane da girman barbashi na kayan da ake tacewa da kuma buƙatun fasaha na aikin tantancewa, ana iya raba faranti na sieve zuwa nau'ikan masu zuwa:
  
1. Allon tsiri
    
An yi amfani da allon sandar ne da rukunin sandunan ƙarfe da aka shirya a layi ɗaya kuma suna da wani siffa ta giciye.
An shirya sandunan a layi ɗaya, kuma tazara tsakanin sandunan shine girman ramukan allo. Ana amfani da allon sandar gabaɗaya don allon da aka gyara ko allon girgiza mai nauyi, kuma sun dace da tantance kayan da aka yi da tsatsa mai girman barbashi sama da 50mm.

2. Allon fuska
      
Ana yin huda faranti masu huda galibi daga ramukan sieve na zagaye, murabba'i ko murabba'i a kan faranti na ƙarfe mai kauri na 5-12mm. Idan aka kwatanta da farantin sieve na zagaye ko murabba'i, saman sieve na sieve na murabba'i yawanci yana da yanki mai inganci, nauyi mai sauƙi da kuma yawan aiki mai yawa. Ya dace da sarrafa kayan da ke da danshi mai yawa, amma daidaiton rabuwar sieve ɗin bai yi kyau ba.
  
3. Farantin allo mai raga da aka saka:
    
Ana saka farantin sieve na raga da aka saka da waya ta ƙarfe da maƙalli, kuma siffar ramin sieve murabba'i ne ko murabba'i. Fa'idodinsa sune: nauyi mai sauƙi, saurin buɗewa mai yawa; kuma a cikin tsarin tantancewa, saboda wayar ƙarfe tana da wani ɗan sassauci, tana girgiza a mita mai yawa, don haka ƙananan ƙwayoyin da ke manne da wayar ƙarfe suna faɗuwa, ta haka ne ke inganta ingancin tantancewa. Ya dace da tantance kayan matsakaici da na hatsi masu kyau. Duk da haka, yana da ɗan gajeren lokaci.

4. Allon da aka saka
  
An yi farantin sife mai rami da bakin karfe a matsayin sandar sife. Akwai nau'ikan tsari guda uku: zare, walda da kuma saƙa.
Siffar sashin sieve na farantin sieve ɗin yana da zagaye, kuma faɗin ramin na iya zama 0.25mm, 0.5mm, 0.75mm, 1mm, 2mm, da sauransu.
Farantin sieve mai rami ya dace da aikin cire ruwa, rage girmansa da kuma cire sliming a tsakiyar hatsi mai kyau.

5. Farantin sife na polyurethane:
      
Farantin sieve na Polyurethane wani nau'in farantin sieve ne na polymer mai roba, wanda ke da kyakkyawan juriya ga gogewa, juriya ga mai, juriya ga hydrolysis, juriya ga ƙwayoyin cuta, da juriya ga tsufa. Farantin sieve ba wai kawai zai iya rage nauyin kayan aiki sosai ba, rage farashin kayan aiki, tsawaita tsawon rai, har ma da rage hayaniya. Ana amfani da shi sosai a fannin haƙar ma'adinai, aikin ƙarfe, carbon na kwal, coke, wanke kwal, man fetur, sinadarai da sauran masana'antu.
      
Sifofin ramukan da ke cikin farantin sieve na polyurethane sune: haƙoran tsefe, ramukan murabba'i, dogayen ramuka, ramukan zagaye, da nau'in rami. Girman kayan: 0.1-80mm.

Ko farantin sieve ɗin ya yi ƙarfi daidai lokacin da aka sanya shi a kan akwatin sieve yana da tasiri sosai kan ingancin tantancewa da tsawon lokacin sabis na saman sieve. Gabaɗaya, allon bugun da allon ramin ana gyara su da sandunan katako; raga da aka saka tare da ƙananan diamita na raga da allon bugun da kauri ƙasa da 6mm ana gyara su da ƙugiya mai jan hankali; raga da aka saka tare da diamita na raga sama da 9.5mm kuma kauri ya fi girma Allon bugun 8mm ana gyara shi ta hanyar latsawa da sukurori.