Question
Download Solution PDFउत्पादन से पहले आयताकार अक्षीय छड़ की न्यूनतम मोटाई निर्धारित करें। दिया गया सुरक्षा कारक (FOS) = 2 और उत्पादन प्रतिबल = 310 MPa है।
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFसंप्रत्यय:
उत्पादन को रोकने के लिए, सामग्री पर वास्तविक प्रतिबल अनुमेय प्रतिबल (सुरक्षा कारक से विभाजित उत्पादन प्रतिबल) से कम या उसके बराबर होना चाहिए।
दिया गया:
- अक्षीय भार, P = 120 kN = 120000 N
- बार की चौड़ाई, b = 40 mm
- उत्पादन प्रतिबल, σyield = 310 MPa
- सुरक्षा कारक, FOS = 2
चरण 1: अनुमेय प्रतिबल
\(\sigma_{\text{allowable}} = \frac{310}{2} = 155~\text{MPa}\)
चरण 2: अक्षीय प्रतिबल सूत्र का प्रयोग करें
\(\sigma = \frac{P}{A} = \frac{P}{bt}\) → \(t = \frac{P}{b \cdot \sigma_{\text{allowable}}}\)
\(t = \frac{120000}{40 \cdot 155} = \frac{120000}{6200} = 19.35 \approx 19.4~\text{mm}\)
Last updated on Jun 7, 2025
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