hộp số trước của máy thu hoạch mía

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^=)C-3(e/Xy;vs!1; $85,_u" #$$8C-35qc& •–•$1e/‚e1;" # C-3cC"1; •…#ul  1;v5,,e/ 1e/9C""1; •…,C$8#u13C-3 2l 1  <1(*5*w!T/ ^=)C-3" #"Xy;vs! 1;$85,Su" #$$8";C-35q ZV";C-35q,5& ZV [...]... 2 PHN TICH TINH CễNG NGHấ TRONG KT CU: Vi chi tit dng hp nờn kt cu ca chi tit phi tho man cỏc iu kin sau: -Kt cu cỏc b mt chi tit cho phộp thúat dao d dng -Cỏc l trờn hp dựng lp bi ,bỏnh rng,bccho phộp gia cụng ng thi trờn mt ln gỏ t m bo ng tõm v thun li khi lp ghộp -V trớ tng i ca cỏc b mt cng nh h thng cỏc l m bo cú th a dao vo gia cụng mt cỏch d dng -Chi tit cng vng nh v bc t do trong qua... 0,62; 0,81 - Lc hng trc ln nht cho phộp ca c cu tin dao: Pmax=900 kg 33 ỏn tt nghip V Vn Vng CTM8-K49 - Chn dao: Chọn mũi khoan ruột gà đuôi côn kiểu I, thép gió, đờng kính tiêu chuẩn ỉ14.Theo bảng 4-42 [I] : D L l 14 265 185 Tra bảng 4-136 [I]:Ta chọn mũi Taro ngắn có chuôi chuyển tiếp có thông số sau : d Bc ren p L l 8 1,5 102 32 Nguyờn cụng 12 :Tng kiờm tra v nhim thu sn phm 34 ỏn tt nghip V Vn Vng... nng sut v chớnh xỏc yờu cu Nng sut v chớnh xỏc ph thuc vo ch ct, lng d, s bc v s th t cỏc bc cụng ngh v.v Vỡ vy khi thit k nguyờn cụng phi da vo dng sn xut phng phỏp phõn tỏn nguyờn cụng chn s nguyờn cụng hp lý Tuy nhiờn trong thc t sn xut mt dng sn xut cú th cú nhiu phng ỏn gia cụng khỏc nhau nờn s nguyờn cụng cng nh s th t cỏc nguyờn cụng ph thuc vo dng phụi, chớnh xỏc yờu cu ca chi tit Cỏc... phay ng 6H12 cú cỏc c tớnh k thut sau: - B mt lm vic ca bn mỏy: 1250x320 - Cụng sut ca ng c: N = 7 KW - Hiu sut ca mỏy: = 0,75 - S vũng quay trc chớnh (vũng/phỳt): 30; 37,5; 47,5; 60; 75; 95; 120; 150; 190; 235; 300; 375; 475; 600; 750; 950; 1180;1500 - Bc tin ca bn mỏy(mm/ph): 30; 37,5; 47,5; 60; 75; 95; 118; 150; 190; 235; 300; 375; 475; 600; 750; 960; 1500 - lc ln nht cho phộp c cu tin ca mỏy(kg):... phay ng 6H12 cú cỏc c tớnh k thut sau: - B mt lm vic ca bn mỏy: 1250x320 - Cụng sut ca ng c: N = 7 KW - Hiu sut ca mỏy: = 0,75 - S vũng quay trc chớnh (vũng/phỳt): 30; 37,5; 47,5; 60; 75; 95; 120; 150; 190; 235; 300; 375; 475; 600; 750; 950; 1180;1500 - Bc tin ca bn mỏy(mm/ph): 30; 37,5; 47,5; 60; 75; 95; 118; 150; 190; 235; 300; 375; 475; 600; 750; 960; 1500 - Lc ln nht cho phộp c cu tin ca mỏy(kg):... Chn mỏy: Chn mỏy phay ngang 6H82 cú cỏc c tớnh k thut sau: - Cụng sut ca ng c: N = 7 KW - Hiu sut ca mỏy: = 0,75 - S vũng quay trc chớnh (vũng/phỳt): 30; 37,5; 47,5; 60; 75; 95; 118; 150; 190; 235; 300; 375; 475; 600; 750; 1180;1500 .Bc tin ca bn mỏy(mm/ph): 30; 37,5; 47,5; 60; 75; 95; 118; 150; 190; 235; 300; 375; 475; 600; 750; 900 .Lc ln nht cho phộp c cu tin ca mỏy(kg): 1500 kg Chn dao : Phay bng... phay ng 6H12 cú cỏc c tớnh k thut sau: - B mt lm vic ca bn mỏy: 1250x320 - Cụng sut ca ng c: N = 7 KW - Hiu sut ca mỏy: = 0,75 - S vũng quay trc chớnh (vũng/phỳt): 30; 37,5; 47,5; 60; 75; 95; 120; 150; 190; 235; 300; 375; 475; 600; 750; 950; 1180;1500 - Bc tin ca bn mỏy(mm/ph): 30; 37,5; 47,5; 60; 75; 95; 118; 150; 190; 235; 300; 375; 475; 600; 750; 960; 1500 - Lc ln nht cho phộp c cu tin ca mỏy(kg):... khoan cn 2E52 cú cỏc c tớnh k thut sau: 29 ỏn tt nghip V Vn Vng CTM8-K49 - ng kớnh ln nht khi gia cụng: 25 mm Cụn múc trc chớnh No3 - Cụng sut ca ng c: N = 2.2 KW - Hiu sut ca mỏy: = 0,8 - S vũng quay trc chớnh (vũng/phỳt): 97; 140; 195; 212; 392; 545; 630; 960; 1360;1926; - Bc tin ca bn mỏy(mm/ph): 0,1; 0,13; 0,17; 0,22; 0,36; 0,48; 0,62; 0,81 - Lc hng trc ln nht cho phộp ca c cu tin dao: Pmax=900... khoan cn 2E52 cú cỏc c tớnh k thut sau: - ng kớnh ln nht khi gia cụng: 25 mm Cụn múc trc chớnh No3 - Cụng sut ca ng c: N = 2.2 KW - Hiu sut ca mỏy: = 0,8 31 ỏn tt nghip V Vn Vng CTM8-K49 - S vũng quay trc chớnh (vũng/phỳt): 97; 140; 195; 212; 392; 545; 630; 960; 1360;1926; - Bc tin ca bn mỏy(mm/ph): 0,1; 0,13; 0,17; 0,22; 0,36; 0,48; 0,62; 0,81 - Lc hng trc ln nht cho phộp ca c cu tin dao: Pmax=900... Taro ngắn có chuôi chuyển tiếp có thông số sau : d Bc ren p L l 8 1,25 72 22 Nguyờn cụng 11 : Khoan, tarụ l M16x1,5 tra v thỏo du S : 32 ỏn tt nghip V Vn Vng n CTM8-K49 S w w nh v:Chi tit c nh v 3 bc t do bng mt ỏy, dn hn ch ,dựng cht tr hn ch 2 bc t do,cht chỏm hn ch 1 bc t do Kp cht: phi hp bng ren vớt - ũn Chn mỏy: Chn mỏy khoan cn 2E52 cú cỏc c tớnh k thut sau: - ng kớnh ln nht khi gia cụng: . [&dW ]]^'>[[[[[[[[[[[[[[[[[[[[[[[[&&W ]]]f>d[[[[[[[[[[[[[[[[[[[[[[[[&WW ]<^>ZZ[[[[[[[[[[[[[[[[[[[[[[[[&c ^I-*[[[[[[[[[[[[[[[[[[[[[[[&&cW U Đồ án tốt nghiệp Vũ Văn Vượng CTM8-K49 CHƯƠNG I NGUYÊN LÝ HOẠT ĐỘNG CỦA MÁY THU HOẠCH MÍA LIÊN HỢP ]&L]g]I=]hijkl Z&=m'n'Lopjkl ^=>8".>8".4q "e"