1. Abin da ke jefawa
Ana zuba ƙarfen ruwa a cikin wani rami mai siffar da ya dace da sashin, kuma bayan ya ƙarfafa, ana samun wani sashi mai siffa, girma da ingancin saman, wanda ake kira simintin gyare-gyare. Manyan abubuwa guda uku: gami, yin tallan kayan kawa, zubowa da ƙarfafawa. Babban fa'ida: ana iya kafa sassa masu rikitarwa.
2. Ci gaban simintin gyaran kafa
An fara samarwa a cikin 1930s ta hanyar amfani da injina na pneumatic da ayyukan yashi na wucin gadi.
Siminti yashi irin ya bayyana a 1933
A cikin 1944, nau'in harsashin yashi mai tsananin sanyi ya bayyana
CO2 tauraruwar ruwa gilashin yashi mold ya bayyana a cikin 1947
A 1955, da thermal shafi guduro yashi harsashi irin ya bayyana
A cikin 1958, ƙwayar yashi mai gasa ba-bake ya bayyana
A 1967, da ciminti kwarara yashi mold ya bayyana
A cikin 1968, gilashin ruwa tare da taurin kwayoyin halitta ya bayyana
A cikin shekaru 50 da suka gabata, sabbin hanyoyin yin simintin gyare-gyare ta hanyar zahiri, kamar: Magnetic pellet gyare-gyaren, hanyar gyare-gyaren injin, bata gyare-gyaren kumfa, da dai sauransu. Irin su simintin centrifugal, simintin babban matsi, simintin ƙaranci, extrusion ruwa, da sauransu.
3. Siffofin simintin gyare-gyare
A. Faɗin daidaitawa da sassauci. Duk samfuran kayan ƙarfe. Ba a iyakance simintin gyare-gyare da nauyi, girma da siffar ɓangaren ba. Nauyin zai iya zama daga ƴan gram zuwa ɗaruruwan ton, kaurin bangon zai iya zama daga 0.3mm zuwa 1m, kuma siffar na iya zama sassa masu sarƙaƙƙiya.
B. Yawancin kayan danye da kayan taimako da ake amfani da su ana samun su da yawa kuma suna da arha, kamar tarkace da yashi.
C. Simintin gyare-gyare na iya inganta daidaiton girman da ingancin saman simintin ta hanyar fasahar ci-gaba ta simintin gyare-gyare, ta yadda za a iya yanke sassa ba tare da yankewa ba.
Lokacin aikawa: Agusta-11-2022