đề tài tìm hiểu, thay thế, sửa chữa các chi tiết máy trên máy tiện mazak junior

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To Bỏo Cỏo Thc Tp Tt Nghip Thỏng 11 nm 2011 PHN IV LP BNG THễNG Kấ Sễ LNG CC CHI TIấT H HNG V LP BNG VT T, BN V CHI TIấT H HNG Sau khi kim tra mỏy tin MAZAK JUNIOR , chỳng em lp bng thng kờ cỏc chi tit sai hng cn c sa cha T ú lp bn ve cho cỏc chi tit nh sau: 1.C cõu bn dao khụng hoat ng do chi tiờt : a Trc vit bn dao ngang: - Sai húng : + ren mũn khụng u + truc b cong - Nguyờn nhõn: Cú th do mt s... hai cht (5) mang hai na ca ai c di ng trong hai rónh nh hỡnh (6) 2 Kh nng cụng ngh ca tin MAZAK JUNIOR Tin l mt phng phỏp gia cụng ct gt thụng dung nht, nú to hỡnh b mt gia cụng bng hai chuyn ng ú l chuyn ng quay trũn ca chi tit(trong mt s trng hp se l ca dao) v chuyn ng tnh tin ca dao do ú nú cú th tin c tỏt c cỏc chi tit cú tit din mt ct ngang l trũn Sau õy l m s dng b mt cú th tin c: GVHD: u Phi Hi... 01_Lp LT CTM K3_A 21 Trng HSPKT Vinh Khoa : C Khớ Ch To Bỏo Cỏo Thc Tp Tt Nghip Thỏng 11 nm 2011 PHN V LP T V VN HNH CHY TH Sau khi thit k, gia cụng cỏc chi tit cn sa cha Theo s hng dn ca giỏo viờn hng dn v giỏo viờn c in, lp t cỏc chi tit vo mỏy tin MAZAK JUNIOR vn hnh mỏy chy tt, m bo cỏc yờu cu t ra GVHD: u Phi Hi Nguyn Tin Quc SVTH : Trng Quc M T 01_Lp LT CTM K3_A 22 Trng HSPKT Vinh Khoa : C Khớ Ch... : Trng Quc M T 01_Lp LT CTM K3_A 14 Trng HSPKT Vinh Khoa : C Khớ Ch To Bỏo Cỏo Thc Tp Tt Nghip Thỏng 11 nm 2011 Khi lng cụng vic ca tin chim khong 30 - 40% trong tng s khi lng gia cụng c khớ Khi tiện mặt trụ có thể đạt độ chính xác cấp 6, độ nhám bề mặt Ra = 0,16àm; tiện ren đạt độ chính xác cấp 7, Ra = 1,25àm Độ chính xác về vị trí tơng quan đến 0,01mm GVHD: u Phi Hi Nguyn Tin Quc SVTH : Trng Quc M... Thay th mi b ai c bn dao ngang - s lng 2 cỏi - Sai húng : + mũn ht ren , khụng m bo iu kin lp ghộp - Nguyờn nhõn: Cú th do mt s nguyờn nhõn sau õy: + Thi gian lm vic lõu GVHD: u Phi Hi Nguyn Tin Quc SVTH : Trng Quc M T 01_Lp LT CTM K3_A 18 Trng HSPKT Vinh Khoa : C Khớ Ch To Bỏo Cỏo Thc Tp Tt Nghip Thỏng 11 nm 2011 + Do qu ti + Ch bụi trn v v sinh cụng nghip khụng m bo - Cỏch khc phuc: + Th 1 : Thay. .. Cỏch khc phuc: + Th 1 : Thay th mi d H thng bm du hp xe dao - Sai húng : + H thng bm du khụng hot ng - Nguyờn nhõn: Cú th do mt s nguyờn nhõn sau õy: + Thi gian lm vic lõu + V sinh cụng nghip khụng m bo - Cỏch khc phuc: + Lm sch cỏc b phn ,lm thụng 2 B phn gỏ dao: - Nguyờn nhõn: Cú th do mt s nguyờn nhõn sau õy: + Thi gian lm vic lõu + Cỏc ren b góy - Cỏch khc phuc: + Th 1 : Thay th mi + Th 2 : Gia... nguyờn cụng chim nhiu thi gian nht trong thi gian phuc vu ca mỏy tin Phng trỡnh xớch truyn ng ca nú nh xớch ct ren, nhng n truc IV thỡ ly hp C2 m v bỏnh rng Z=48 n khp vi Z=48 truc VI, v truyn n truc trn ri n hp xe dao GVHD: u Phi Hi Nguyn Tin Quc SVTH : Trng Quc M T 01_Lp LT CTM K3_A 17 Trng HSPKT Vinh Khoa : C Khớ Ch To Bỏo Cỏo Thc Tp Tt Nghip Thỏng 11 nm 2011 PHN IV LP BNG THễNG Kấ Sễ LNG CC CHI TIấT... nhõn: b mt Khc phuc : lm mi h.h thng phanh v c cõu chng quỏ ti sai hng: h thng phanh hóm phanh khụng n Nguyờn nhõn: do h thng bu lụng ai c bt cỏc truc khy b r lng v b mũn Khc phuc: lau chựi ,iu chnh v thay th mt s bu lụng ai c bi trn ren + c cu chng quỏ ti khụng hot ng: Nguyờn nhõn:lũ xo y bi lit b nght do khụ du Khc phuc: lau chựi li g sột v ỏnh búng lai lũ xo y 2 kho nghim hp tc chay dao: a trc dn . 2FGHGIJGHJKGLMJK6NFOPG2QJ )bb*YXUbd$_^$. MAZAK JUNIOR m W.6X`7VY)87i*f). XUb|• '()*+),- )./.  D !CD,-+". E.Quan sát và nắm vững nguyên lý làm việc của các cơ cấu bộ truyền của máy: :W) '()*+),- )./. !""#$%&"" TiSX $b*4&{&0YbTi Sb:Khi tiện mặt trụ có thể đạt độ chính xác cấp 6, độ nhám bề mặt Ra = 0,16àm; tiện ren đạt độ chính xác cấp 7, Ra = 1,25àm. Độ chính xác