绗?/p>
6
绔狅細涓夈�佷綔涓氫笌缁冧範
1
銆佸浘鎵�绀鸿灪鏍撹繛鎺ヤ腑閲囩敤
2
涓?/p>
M
20
鐨勮灪鏍擄紝鍏惰鐢ㄦ媺搴斿姏涓?/p>
[
飦?/p>
]=160MPa
锛岃鑱旀帴浠剁粨鍚?/p>
闈㈢殑鎽╂摝绯绘暟
飦?/p>
=
锛岃嫢鑰冭檻鎽╂摝浼犲姏鐨勫彲闈犵郴鏁?/p>
f
k
=
锛岃瘯璁＄畻璇ヨ繛鎺ュ厑璁镐紶閫掔殑闈欒浇鑽?/p>
Q
F
銆?/p>
2
銆侀
2
鍥炬墍绀猴紝鍑哥紭鑱旇酱鍣ㄧ敱
HT
200
鍒舵垚锛?/p>
鐢?/p>
8
涓彈鎷夎灪鏍撹仈鎺ワ紝铻烘爴涓績鍦嗙洿寰?/p>
D
锛?/p>
220mm
锛岃仈杞村櫒浼犻�掔殑杞煩
T
锛濓紝鎽╂摝绯绘暟
飦?/p>
=
锛屽彲闈犳�х郴鏁?/p>
f
k
=
锛岃瘯纭畾铻烘爴鐩村緞銆?/p>
3
銆?/p>
棰?/p>
3
鍥炬墍绀轰袱鏍归挗姊侊紝
鐢变袱鍧楅挗鐩栨澘鐢?/p>
8
涓?/p>
M
16
鐨勫彈鎷夎灪鏍撹仈鎺ワ紝
浣滅敤鍦ㄦ涓婄殑妯悜
澶栧姏
F
R
=1800N
锛岄挗姊佷笌鐩栨澘鎺ュ悎闈箣闂寸殑鎽╂摝绯绘暟渭
s
锛濓紝涓轰娇鑱旀帴鍙潬锛屽彇鎽╂摝鍔涘ぇ浜庡
杞界殑
20%
锛岃灪鏍撶殑璁哥敤搴斿姏
[
飦?/p>
]
锛?/p>
160MPa
锛岄棶姝よ仈鎺ユ柟妗堟槸鍚﹀彲琛?/p>
4
銆侀
4
鍥炬墍绀虹殑姘旂几鐩栬繛鎺ヤ腑锛屽凡鐭ワ細姘旂几涓殑鍘嬪姏鍦?/p>
0
鍒伴棿鍙樺寲锛屾皵缂稿唴寰?/p>
D
=250mm
锛?/p>
铻烘爴鍒嗗竷鍦嗙洿寰?/p>
0
D
=346mm
锛?/p>
鍑哥紭涓庡灚鐗囧帤搴︿箣鍜屼负
50mm
銆備负淇濊瘉姘斿瘑鎬ц姹傦紝
铻烘爴闂磋窛涓?
棰?/p>
2
鍥?/p>
棰?/p>
1
鍥?/p>
F
Q
F
Q
/2
F
Q
/2
棰?/p>
3
鍥?/p>
F
R
F
R
F
R
F
R