chương 2 Động học máy cắt kim loại
Post on 16-Oct-2015
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CHNG 2NG HC MY CT KIM LOI*MYCT KIM LOICHNG 1NG HC MY CT KIM LOI
NG HC MY CT KIM LOI
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chng 1: I CNG CHUYN NG HC V S NGI/. CC B MT THNG DNG TRONG CH TO MYII/. CHUYN NG TO HNHIII/. PHNG PHP TO HNHIV/.S KT CU NG HCV/. IU CHNH CHUYN NGVI/. CHUYN NG CA MY CT KIM LOIVII/. TRUYN NG MY CT KIM LOICHNG 2NG HC MY CT KIM LOI*
NG HC MY CT KIM LOI
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CHNG 2NG HC MY CT KIM LOI* I/ CC B MT GIA CNGa. B mt trn xoay :
NG HC MY CT KIM LOI
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CHNG 2NG HC MY CT KIM LOI*I/.CC B MT GIA CNGb. Mt phng :ng sinh l: ng thng, ng cong, hoc ng gp khc
NG HC MY CT KIM LOI
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CHNG 2NG HC MY CT KIM LOI*c. B mt c bit Mt tr, nn khng trn xoay v cam. Thn khai, arsimet, cnh turbin... I/. CC B MT GIA CNG
NG HC MY CT KIM LOI
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CHNG 2NG HC MY CT KIM LOI*Tm liHai loi ng sinh sau y :ng sinh do cc chuyn ng n gin: thng v quay trn u ca my to nn, nh : ng thng, ng trn hay cung trn, ng thn khai, ng xon c ng sinh do cc chuyn ng thng v quay trn khng u: ng parabl, hyperbl, ellip, xon lgarit
NG HC MY CT KIM LOI
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CHNG 2NG HC MY CT KIM LOI*Tm ling sinh chuyn ng tng i vi mt ng chun s to ra: b mt ca cc chi tit gia cng Chuyn ng tng i to nn ng sinh v ng chun gi l: chuyn ng to hnh
NG HC MY CT KIM LOI
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II/. CHUYN NG TO HNH1/. Chuyn ng to hnh n gin2/. Chuyn ng to hnh phc tp3/. Chuyn ng to hnh va n gin va phc tpCHNG 2NG HC MY CT KIM LOI*
NG HC MY CT KIM LOI
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CHNG 2NG HC MY CT KIM LOI*II.1/. Chuyn ng to hnh n ginChuyn ng Q v T l chuyn ng c lp khng ph thuc vo chuyn ng no khc
TQQT
NG HC MY CT KIM LOI
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CHNG 2NG HC MY CT KIM LOI*II.2. CHUYN NG TO HNHPHC TPChuyn ng Q v T c lin quan vi nhau theo mt quy lut nht nh. Khi phoi quay mt vng th dao tnh tin mt bc ren tTQ
NG HC MY CT KIM LOI
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II.3/ Chuyn ng to hnh va n gin va phc tpCHNG 2NG HC MY CT KIM LOI*TTT12QQ: chuyn ng to hnh n ginT: chuyn ng to hnh phc tp
NG HC MY CT KIM LOI
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III/. PHNG PHP TO HNH1. Phng php chp hnh2. Phng php theo vt3. Phng php bao hnhCHNG 2NG HC MY CT KIM LOI*
NG HC MY CT KIM LOI
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CHNG 2NG HC MY CT KIM LOI*III/. Phng php chp hnh
Li dao ct trng vi ng sinh ca b mt gia cng
NG HC MY CT KIM LOI
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III.2/ Phng php theo vtCHNG 2NG HC MY CT KIM LOI*Qu tch ca vt chuyn ng ca dao ct l ng sinh ca b mt gia cng
NG HC MY CT KIM LOI
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III.3/ Phng php bao hnh
CHNG 2NG HC MY CT KIM LOILi ct chuyn ng to thnh nhiu b mt ph tip tuyn lin tc vi b mt gia cng. Qu tch nhng tip im l ng sinh cab mt gia cng
NG HC MY CT KIM LOI
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IV/. S KT CU NG HC1. Th no l s kt cu ng hc2. Cc s kt cu ng hcA. S ca xch chuyn ng to hnh n ginB. S ca xch chuyn ng to hnh phc tpC. S xch to hnh va n gin va phc tpD. S xch phn E. S xch t hpCHNG 2NG HC MY CT KIM LOI*
NG HC MY CT KIM LOI
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IV.1Th no l s kt cu ng hcS kt cu ng hc l loi s qui c, biu th vn tt nhng kt cu c bn thc hin chuyn ng to hnh, th hin mi quan h gia chng v t hp chuyn ng ca myT s ny c th vit c phng trnh xch ng v iu chnh phong trnh xch ngV d:CHNG 2NG HC MY CT KIM LOI*
NG HC MY CT KIM LOI
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IV.1Th no l s kt cu ng hcCHNG 2NG HC MY CT KIM LOI*
NG HC MY CT KIM LOI
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IV.1Th no l s kt cu ng hcLng di ng tnh ton (k): biu th mi quan h gia 2 khu tn cng ca xch truyn ng nh ndc, ntc; 1 vng trc chnh v lng chy dao s
- Nu u xch v cui xch u l chuyn ng quay trn th k=1- Nu u xch l chuyn ng quay trn , cui xch l chuyn ng tnh tin:Vitme ai c: k=tx , Bnh rng thanh rng k= mz Cam k=h
CHNG 2NG HC MY CT KIM LOI*
NG HC MY CT KIM LOI
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CHNG 2NG HC MY CT KIM LOI*IV.2 Cc s kt cu ng hca. Xch chuyn ng to hnh n gin.
NG HC MY CT KIM LOI
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CHNG 2NG HC MY CT KIM LOI*IV.2 Cc s kt cu ng hcb. xch to hnh phc tp.
NG HC MY CT KIM LOI
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CHNG 2NG HC MY CT KIM LOI*IV.2 Cc s kt cu ng hcc. Xch to hnh va n gin va phc tp
NG HC MY CT KIM LOI
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CHNG 2NG HC MY CT KIM LOI*IV.2 Cc s kt cu ng hcd. Xch phn
NG HC MY CT KIM LOI
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CHNG 2NG HC MY CT KIM LOI*IV.2 Cc s kt cu ng hce. Xch t hp
T hp chuyn ng xch phn v to hnh
NG HC MY CT KIM LOI
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CHNG 2NG HC MY CT KIM LOI*IV.2 Cc s kt cu ng hce. Xch t hp S kt cu ng hc my phay rng
NG HC MY CT KIM LOI
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CHNG 2NG HC MY CT KIM LOI*IV.2 Cc s kt cu ng hce. Xch t hp S kt cu ng hc dng xch vi sai
NG HC MY CT KIM LOI
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CHNG 2NG HC MY CT KIM LOI*V/ IU CHNH CHUYN NG 1/.iu chnh xch tc Phng trnh truyn ng:
: t s truyn ca hp tc Cng thc iu chnh :
NG HC MY CT KIM LOI
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CHNG 2NG HC MY CT KIM LOI*V/. IU CHNH CHUYN NG 2. iu chnh xch ct renvit 1 vng quay ca trc chnh mt bc ren t mmPhng trnh truyn ng :
Is t s truyn ca c cu iu chnh ( hp chy dao)tx bc ren ca vitme Cng thc iu chnh :
NG HC MY CT KIM LOI
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CHNG 2NG HC MY CT KIM LOI*VI/. CHUYN NG CA MY CT KIM LOI Chuyn ng chnh: v (vng, thng)Chuyn ng chy dao: s
NG HC MY CT KIM LOI
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CHNG 2NG HC MY CT KIM LOI*i vi nhng my thuc nhm th nht: Vng
i vi nhng my nhm th hai: Thng
VI/.CHUYN NG CA MY CT KIM LOI
NG HC MY CT KIM LOI
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CHNG 2NG HC MY CT KIM LOI*VII/. TRUYN NG MY CT KIM LOI 1. Phn loi truyn ng Truyn ng tp trung : Truyn ng phn nhm : Truyn ng ring l : ng v mt iu chnh vn tc ca my, Truyn ng phn cp : Truyn ng v cp :
NG HC MY CT KIM LOI
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CHNG 2NG HC MY CT KIM LOI*VII/. TRUYN NG MY CT KIM LOI 2. T s truyn
NG HC MY CT KIM LOI
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CHNG 2NG HC MY CT KIM LOI*VII/. TRUYN NG MY CT KIM LOI3. S ng
NG HC MY CT KIM LOI
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CHNG 2NG HC MY CT KIM LOI*VII/. TRUYN NG MY CT KIM LOI3. S ng
NG HC MY CT KIM LOI
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CHNG 2NG HC MY CT KIM LOI*VII/. TRUYN NG MY CT KIM LOI3. S ng
NG HC MY CT KIM LOI
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CHNG 2NG HC MY CT KIM LOI*VII/. TRUYN NG MY CT KIM LOI3. S ng
NG HC MY CT KIM LOI
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CHNG 2NG HC MY CT KIM LOI*VII/. TRUYN NG MY CT KIM LOI3. S ng
NG HC MY CT KIM LOI
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CHNG 2NG HC MY CT KIM LOI*VII/. TRUYN NG MY CT KIM LOI3. S ng
NG HC MY CT KIM LOI
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CHNG 2NG HC MY CT KIM LOI*VII/.TRUYN NG MY CT KIM LOI3. S ng
NG HC MY CT KIM LOI
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