C0044 Cornell Gwajin

Ana amfani da gwajin Cornell musamman don gwadawa da kimanta katifar bazara. Akwai hanyoyi da dama don gwada maɓuɓɓugan ruwa (ciki har da InnersPrings da BoxSprings). Abubuwan da ke cikin babban ganowa sun haɗa da taurin, riƙewar ƙarfi, ƙarfin hali, tasiri akan tasiri, da dai sauransu.

TheCornell TesterAna amfani da shi ne don gwada ƙarfin dogon lokaci na katifa don tsayayya da zagayowar naci. Kayan aiki ya haɗa da matsi na hemispherical sau biyu wanda za'a iya daidaita tsayin axial da hannu. Na'urar firikwensin mai ɗaukar nauyi a kan matsi na iya auna ƙarfin da ake amfani da shi a kan katifa.

Axis na guduma matsa lamba an haɗa shi zuwa daidaitacce eccentric watsawa da wani m lantarki motsi da mafi girma gudun har zuwa 160 sau a minti daya.

Lokacin da aka gwada gwajin, ana sanya katifa a ƙarƙashin guduma mai matsa lamba. Daidaita watsawar eccentric da matsayi na shaft don saita ƙarfin da aka yi amfani da shi a matsayi mafi girma da mafi ƙasƙanci (mafi ƙasƙanci mafi girma 1025 N). Na'urar firikwensin matsayi a kan kayan aiki zai iya auna matsayi ta atomatik ta matsa lamba.
Watsawar eccentric sannan tana juyawa a hankali, ɗagawa da danna guduma. A lokaci guda, za a rubuta bayanan matsa lamba da matsayi. Za a auna taurin katifa daga matsi da aka samu daga 75 mm zuwa 100 mm.
Yayin gwajin, zaku iya saita zagayowar gwaji daban-daban guda 7. Suna 200, 6000, 12500, 25,000, 50000, 75000, da 100,000 cycles, kuma ana kammala su a cikin sau 160 a minti daya. Zagayen gwaje-gwaje bakwai za su yi amfani da kusan sa'o'i 10.5 a lokaci guda, amma tasirin yana da kyau sosai saboda yanayin shekaru 10 ne don kwaikwayon katifa.
A ƙarshen kowane gwaji, rukunin gwajin za a matsa zuwa saman katifa a 22 Newtons. Don kwatanta bambancin ƙarfin sake dawowa da ƙarshen gwajin bayan gwajin, ana kwatanta billa, kuma ana ƙididdige adadin.
Software mai goyan baya zai faɗakar da ƙimar da aka samu ta hanyar na'urori masu auna matakin mataki daban-daban yayin gwajin, kuma ya haifar da cikakken rahoton gwaji da bugawa. Ƙimar da aka samu ta hanyar gano adadin gwajin gwajin da ake buƙatar fahimtar yayin rahoton.

Aikace-aikace:
• Katifa na bazara
• Katifa na cikin bazara
• Katifa kumfa

Siffofin:
• Gwada software mai goyan baya
Nunin software na ainihin lokacin
• Naúrar gwajin daidaitacce
• Aiki mai dacewa
• Buga tebur bayanai
•Ajiye bayanai

Zabuka:
• Tsarin tuƙin baturi (yana aiki kawai don tuƙi na cam)

Jagora:
ASTM 1566
• AIMA American InnerSpring Manufacturers
Haɗin lantarki:

Tsarin watsawa:
• 320/440 Vac @ 50/60 Hz / 3 lokaci
Tsarin sarrafa kwamfuta:
• 110/240 Wuta @ 50/60 Hz

Girma:
• H: 2,500mm • W: 3,180mm • D: 1,100mm
• Nauyi: 540kg