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ژz֧ʩˇ
z֧ʩˇ1ǰWӋzǧǷwϲR̎ɓpƉģǿ^ǧ플R㼰wωǷMҪwЉ252MpaRЉ402Mpa
1)wϲӋ
ÿ׆ζ5ǧ֧Σ]5֧ͬ]TB6M弰ӿpBӣ^BӞ넂B(j)̌`ͺӴȹ̷mȻ5ǧgŵ3ǧ픳܉gǧ^ƽֵ10%
R2=(39500025)(1+10%)=43450kg
wϲӋ㣺
P1=434509.8/(2002)23.14=13.56Mpa28Mpa(СЉ)
R²Ӌ㣺
P2=434509.8/(1302)23.14=32.1Mpa38Mpa(СЉ)
R̎^⑪(yng)ЬF(xin)ʹ1cm䓰ϲӉ|ɢ(yng)ߴ200200mm
䓰Ӌ
P2=434509.8/200200=10.64Mpa38Mpa(СЉ)
2ԇ
(1)Мʂ乤R(z|Kǧ픰bA(ch)ʩO(sh)估ϵ)ǧͬr_MԇгMԇ픸߶9mmֺ5minжdжd(yng)Jzϵy(tng)ĸԿϵy(tng)^F(xin)zcУ·Пo©ͬF(xin)ǧПoF(xin)늾·ı^ĥp жdͬr߀(yng)Jzǧ䓰Пo׃άF(xin)Ҫr{(dio)䓰ĺԝMҪ;Jzǧ픷λµĽY(ji)(gu)Пo^(q)eǰĬF(xin)ڣ(yng)Jԭʽrδr^m(x)Mжd߀(yng)MͨhѳF(xin)Ć}rf(xi){(dio)̎_ڽMC(gu)Ϣf^̿ПoٴΏ{(dio)M
3
ԇꮅڌI(y)ˆTĽy(tng)һָ]ǧwwr(w)֮ͬgλƷּ_ԌvC(lin)j(lu)_ʼ3מһÿһλy(tng)һֹͣӉ|䓵Ӽ䓰z?sh)r_B(ti)úMһ˷(f)߶ȸ֧O(sh)Ӌ߶2cm˴_ÿƬּͬ߶Ȟ3mmʩҪ߶Ⱥ|ò䓵ӣ^Üyӛ䛹_wϵ֧QSǰһ¡
(ji)E
1ÿ5ǧͬ^Уһǧг̸߶ȵ_3mmrvC(lin)ϵͱòP(gun)](yng)Ĺ(ji)y4ǧ^m(x)ӉͬӲE_3mmrֹͣӉP(gun)](ji)y
2F(xin)eǧ피Ӊ^m(x)]ЧrP(gun)](ji)yжdԭȡ(yng)ʩ^m(x)
312E]І}յ1k7λ
4c^y
^cƣ1)(lin)ęMλ ;2)(lin)Ŀvλ;3)gBm(x)׃;4)2ӿpײ;5)˙M;6)spꮅǰ߲
Ʒ:
1ڙMλƼvλƿɰŌ^ǰMб^ ;
2ϲO(sh)ˮʃxM^yBm(x)׃rژ^܇O(sh)ÿcڿgÿBm(x)̎3gBm(x)3c^yǰg^̸߳ƽ׃rͬróF(xin)`^2mmr(yng)RF(xin)M(f)ӑ̎
3^ע^y2ӿpײ׃rF(xin)ѬF(xin)ͨ^vCָ֪]ֹͣI(y)ԭоʩٴ;
4^ע^y˙MǙMĺΣ̎ǻĽY(ji)ϲλgҪBӲλ䓽BܼF(xin)ѿpl(f)rvC(lin)ϵֹͣI(y)ԭоʩٴ;
5ǰ茦sbØ˸MМyꮅ˸׃ǷڸQ֧(yng)ijF(xin)˸׃ͬrzꮅspƽǷҎ(gu)Ҫϕrо̎k
5ע
(1)(L6ϼ)r鱣CˆTʩȫ(yng)ֹͣʩǧ픻жd;
(2)ǧ^ʧЧֹͣ(yng)ּжdy(tng)һ䵽oB(ti)Qµǧ;
(3)ʩ^orRr_ŽͨtֹͣʩoÃɂ(c)܇βͬrC·Rrͨ