Muhimmin Gargaɗi: Wannan rubutu ne na tarihi, ba ƙayyadaddun inji na yanzu ba, ƙimar haɗari ko littafin aikin itace. Samfura, girma, gudu, iko, kayan aiki, sassa masu juyawa, na’urorin kariya, samar da wutar lantarki da hanyoyin aiki dole ne a duba su bisa ga ƙa’idodin da suka dace, takaddun masana’anta da amintattun ƙa’idodin aiki.
Wannan rubutun ba tayin injuna ba ne, kayan aiki ko takaddun sabis na Savo Kusić. tayin na yanzu yana mai da hankali kan tagogi, kofofin da mafita masu alaƙa.
Manufar hada inji
Kamar yadda yawancin matakai na aiki za a iya yi a lokaci guda akan na’ura mai haɗaka, yin ayyukan fasaha daban-daban. Injin na iya yin aiki tare da haɗa ayyukan injin jirgin sama, rawar soja, na’urar gani da niƙa ko ma’aunin bandeji, mai ɗaukar hoto, gani mai madauwari, injin niƙa da rawar soja.
Halayen tarihi na injin da aka haɗa
Na’urar haɗin DH-21 tana da halaye masu zuwa:
- Matsakaicin faɗin shirin 285 mm
- Diamita na hakowa 30 mm
- Zurfin hakowa 130 mm
- madauwari saw diamita 250 mm
- Matsakaicin faɗin niƙa 80 mm
- Zurfin niƙa har zuwa 30 mm
- Yawan ciyarwa 9 da 14 m/min
- Diamita na shugaban rotary tare da wukake na planer 120 mm
- Yawan juyi na kai da wukake 2200 rpm
- Wutar lantarki 6kW

Hoto 1: Injin Duniya UN
Nau’in haske haɗa inji
KS-2ya ƙunshi kai mai sauƙi tare da wukake na tsarawa, tare da faɗin shirin200 mm, madauwari saw ( madauwari) wanda zai iya yanke alluna da billets har zuwa0 mmda band saws tare da diamita na ƙafafun a kan abin da band ga ruwa wucewa -350 mm. Ikon wutar lantarki na wannan lathe shine1,6kW.
Injin tarihi na Majalisar Dinkin Duniya
An biya kulawa ta musamman ga na’ura ta Majalisar Dinkin Duniya (fig.1). Yana da goyon bayan da za a iya jujjuya a kowane kusurwoyi da kuma wani lantarki motor a kan shaft wanda duk wani sabon kayan aiki ( madauwari saw, daban-daban milling cutters, nika faranti, da dai sauransu) za a iya haɗe da tare da su, yankan, planing, niƙa, hakowa, yankan harsuna da tsagi, dovetails, da dai sauransu, a cikin duka.30aiki daban-daban (fig.2).

Hoto 2: Nau’in sarrafa injin UN
Injin Majalisar Dinkin Duniya yana da halaye masu zuwa:
- Matsakaicin kauri na kayan da za a yanke 100 mm
- Matsakaicin faɗin allo 500 mm
- Mafi girman diamita na madauwari saw 400 mm
- Kwangilar jujjuyawar injin lantarki a kusa da axis a kwance 360o
- kusurwar jujjuyawar na’urar wasan bidiyo 360o
- Matsakaicin ɗaga - bugun bugun na’urar wasan bidiyo 450 mm
- Taimakawa bugun jini 700 mm
- Wutar lantarki 3,2 kW
- Juyin juzu’in motar lantarki a minti daya 3000
- Nauyin Lathe 350 kg