Matsayin Wani na Kayan Aiki da Tashin Karamin Kirkiro
Wannan zaka tana daɗe a cikin kwayoyi na copper da alumiini, kwayoyi na welding cables da kuma kwayoyi mai yawa don kable. Kwayoyi mai yawa ta kable tana iya haɗa da karamin kofin da tsawon lokaci a cikin tsarin kofin da kula. Saboda haka, ya kamata a yi zaka wannan don nuna ina iya haɗa da karamin kofin da tsawon lokaci baki daya ba tana ciwo ko kasa.
Tsarin Zaka Da Kwayoyi Da Kondaktar
Ake ƙara samun siffofin kondaktar. Siffofin tana da takardun gauge length, wanda shi ne takarda da ake ƙara samun don zaka. Takarda dukkan siffofin tana da gauge length masu takarda da kuma takarda masu biyu da ake amfani da su don gida siffofin a cikin machine na tensile test.
Ake amfani da machine na tensile test don wannan zaka. Machine na Tensile Testing tana da kyakkyawan automatikin, wanda tana da kyakkyawan da za a buƙata wannan zaka. Grips tana da kyakkyawan da za a gida siffofin daidai. Wannan zaka tana buƙatar Micrometer na Plane Faced da scale division da ɗaya mm da kuma measuring scale da scale division 1 mm. Ana buƙata siffofin tana ɗaya don zaka. Ba a buƙata siffofin a kan zaka ba. Idan an gida siffofin a cikin grips na machine, ana apply tensile stress da ƙaramin da duniya, yana nufin haka ana karɓar gap bayan grips na machine ƙaramin da duniya har zuwa inda siffofin tana ciwo. Rate of elongation ya kamata ba yake da 100 mm per minute.
Elongation tana daɗe a cikin gauge length bayan an fitar da ciwon siffofin. Elongation tana nuna a cikin percentage na original gauge length. Nauyin zaka tana nuna in siffofin ya kammala ko ba kammala elongation na maximum allowed. Micrometer na Plane Faced da scale division da ɗaya mm tana daɗe don maimaita takarda siffofin a cikin zaka.
Idan L tana da takarda siffofin, kuma L' tana da takarda dukkan siffofin bayan ciwo. L' tana da sunan takarda biyu da ciwo. Don haka, percentage elongation tana nuna a cikin
Tabulation of Observations of Annealing Test
Takarda Circular Wire a mm |
Size of Shaped Solidal Conductor a mm2 |
Original Gauge Length, L a mm |
Length After Fracture, L' a mm |
Elongation (L' – L) a mm |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
Calculation
Daga, L = original gauge length of specimen
and L' = elongated length of specimen
Rahoton
