Ƙarshen niƙa sune masu yankan niƙa da aka fi amfani da su akan kayan aikin injin CNC. Akwai yankan ruwan wukake a saman cylindrical da kuma ƙarshen ƙarshen niƙa. Za su iya yanke a lokaci guda ko dabam. Ana amfani da su musamman don niƙan jirgin sama, niƙa tsagi, niƙan fuska da matakin bayanin martaba. An raba su zuwa masana'anta na ƙarshen zamani da kuma injunan ƙarshen brazed.

● Yanke gefuna na ƙwanƙwasa na ƙarfe na ƙarshe suna da kaifi biyu, mai kaifi uku, da kaifi huɗu, tare da diamita daga 10mm zuwa 100mm. Saboda haɓaka fasahar brazing, an kuma ƙaddamar da masu yankan niƙa tare da manyan kusurwar juyawa (kimanin 35°).

Mafi yawan masana'antun da aka fi amfani da su na ƙarshe suna da diamita na 15mm zuwa 25mm, waɗanda ake amfani da su don sarrafa matakai, siffofi da tsagi tare da fitar da guntu mai kyau.

●Integral karshen Mills da biyu-kafi da kuma uku-kafi gefuna, tare da diamita jere daga 2mm zuwa 15mm, kuma ana amfani da ko'ina a plunge nika, high-daidaici tsagi aiki, da dai sauransu, da kuma hada da ball-karshen karshen Mills.

●Yadda ake zabar injin niƙa

Lokacin zabar injin niƙa, yakamata a yi la'akari da kayan aiki da ɓangaren sarrafawa. Lokacin yin kayan aiki tare da guntu masu tsayi, masu tauri, yi amfani da injina na ƙarshen madaidaiciya ko hannun hagu. Don rage juriya na yanke, ana iya yanke hakora tare da tsawon hakora.

Lokacin yanke aluminum da simintin gyare-gyare, zaɓi abin yankan niƙa tare da ƙananan hakora da babban kusurwar juyawa don rage yanke zafi. Lokacin tsagi, zaɓi madaidaicin tsagi na haƙori bisa ga ƙarar fitar guntu. Domin idan guntu toshewar ya faru, kayan aikin za su lalace sau da yawa.

Lokacin zabar injin niƙa, kula da waɗannan abubuwa uku masu zuwa: na farko, zaɓi kayan aiki bisa yanayin cewa toshe guntu ba ya faruwa; sa'an nan hone yankan gefen don hana guntu; kuma a ƙarshe, zaɓi madaidaicin tsagi.

Lokacin yankan ƙarfe mai sauri, ana buƙatar saurin yankan sauri, kuma dole ne a yi amfani da shi a cikin kewayon adadin abinci wanda bai wuce 0.3mm/haƙori ba. Idan ana amfani da lubrication na man fetur lokacin yankan karfe, ya kamata a sarrafa saurin kasa da 30m/min.