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ID number:333380
 
Author:
Evaluation:
Published: 09.02.2009.
Language: Latvian
Level: College/University
Literature: n/a
References: Not used
Extract

Aprēķināt mehānisma kustamību.
Mehāniskā locekļa un kinemātisko pāru raksturojums
Dots: OA=90mm;
AB=400mm;
1=12rad/s;
Pmax=0,6MPa.
n=6, mehānisma locekļu skaits:
P2 =7, zemāko kinemātisko pāru skaits
1.Noteikt slēgto kontūru skaitu mehānismā
P2=k+n-1;
k=P2-n+1=7-6+1=2, kur k – noslēgto kontūru skaits.
P – kustīgo savienojumu skaits, n – locekļu skaits
2.Kinemātisko savienojumu uzlikto saišu kopskaits
s=5PV+4PIV+3PIII+2PII+1PI=5*5 + 4*1=29;
3.Tangenciālo saišu skaits
St=2PII+1PI=2*7=14…

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