Kayan aiki na Live vs Secondary Milling akan Lathes na Swiss

Kayan aiki na Live vs Milling na biyu akan Lathes na Swiss: Inganta Juya Madaidaicin CNC

PFT, Shenzhen

Abstract: Lathes-nau'in Swiss suna cimma hadaddun sassan geometries ta amfani da ko dai kayan aiki mai rai (haɗaɗɗen kayan aikin juyawa) ko milling na biyu (ayyukan niƙa bayan juyawa). Wannan bincike yana kwatanta lokutan sake zagayowar, daidaito, da farashin aiki tsakanin hanyoyin biyu dangane da gwajin injinan sarrafawa. Sakamako suna nuna kayan aiki mai rai yana rage matsakaicin lokacin sake zagayowar da kashi 27% kuma yana haɓaka juriya na matsayi da kashi 15% don fasali kamar ramukan giciye da filaye, kodayake saka hannun jari na kayan aiki na farko shine 40% mafi girma. Niƙa na biyu yana nuna ƙananan farashin kowane sashi na juzu'i ƙasa da raka'a 500. Binciken ya ƙare tare da ma'auni na zaɓi dangane da rikitaccen sashi, girman tsari, da buƙatun haƙuri.

1 Gabatarwa

Lathes na Swiss sun mamaye babban madaidaici, ƙananan masana'anta. Mataki mai mahimmanci ya ƙunshi zabar tsakaninkayan aiki kai tsaye(a kan injin niƙa / hakowa) dana biyu milling(ayyukan da aka sadaukar bayan aiwatarwa). Bayanan masana'antu sun nuna kashi 68% na masana'antun suna ba da fifikon rage saiti don hadaddun abubuwan haɗin gwiwa (Smith,J. Manuf. Sci., 2023). Wannan bincike yana ƙididdige ɓangarorin aiki ta amfani da bayanan injuna.

2 Hanyar

2.1 Tsarin Gwaji

• Kayan aiki: 316L bakin karfe shafts (Ø8mm x 40mm) tare da 2x Ø2mm giciye-ramuka + 1x 3mm lebur.

• Injina:

  • Kayan aiki kai tsaye:Tsugami SS327 (Y-axis)

  • Na biyu Milling:Hardinge Conquest ST + HA5C Indexer

• Ana Bibiyar Ma'auni: Lokacin zagayowar (daƙiƙa), ƙarancin ƙasa (Ra µm), haƙurin matsayi na rami (±mm).

2.2 Tarin Bayanai

Batches uku (n=150 sassa kowace hanya) an sarrafa su. Mitutoyo CMM ya auna fasali masu mahimmanci. Binciken farashi ya haɗa da lalacewa na kayan aiki, ƙarancin aiki, da rage darajar inji.

Sakamako 3

3.1 Kwatancen Ayyuka

* Hoto na 1: Kayan aiki na rayuwa yana rage lokacin sake zagayowar amma yana ƙaruwa farashin kayan aiki kowane bangare.*

3.2 Binciken Fa'idar Kuɗi

• Break-Ko Point: Kayan aiki na yau da kullun ya zama mai inganci a ~ 550 raka'a (Hoto 2).

• Daidaitaccen Tasiri: Kayan aiki na rayuwa yana kawar da kurakuran sake gyarawa, rage bambancin Cpk da 22%.

4 Tattaunawa

Rage Lokacin Zagayowar: Haɗe-haɗen ayyukan kayan aiki kai tsaye yana kawar da jinkirin sarrafa sashi. Koyaya, iyakantaccen ƙarfin sandal yana hana niƙa mai nauyi.
Ƙimar Ƙimar: Ƙwararrun kayan aikin milling na biyu sun dace da samfuri amma suna tara aikin sarrafawa.
Mahimman Ayyuka: Don kayan aikin likitanci / sararin samaniya tare da jurewar ± 0.015mm, kayan aiki na rayuwa shine mafi kyau duka duk da babban saka hannun jari na farko.

5 Kammalawa

Kayan aiki na yau da kullun akan lathes na Swiss yana ba da ingantacciyar gudu da daidaito don hadaddun sassan juzu'i na tsakiya zuwa babba (> raka'a 500). Niƙa na biyu ya kasance mai yuwuwa don mafi sauƙi na geometry ko ƙananan batches. Ya kamata bincike na gaba ya bincika ingantaccen ingantaccen hanyar kayan aiki don kayan aiki mai rai.