Question
Download Solution PDFमायक्रोमीटरमध्ये खडबडीतपणा ग्रेड संख्या ‘N4’ चे मूल्य काय आहे
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFस्पष्टीकरण:
- आयएसओने ड्रॉईंगवर पृष्ठभागाचा खडबडीतपणा निर्दिष्ट करताना वापरल्या जाणार्या प्राधान्यकृत खडबडीत मूल्यांच्या मालिकेची आणि संबंधित खडबडीत ग्रेड संख्याची शिफारस केली आहे.
- ही मूल्ये आणि श्रेणी संख्या आहेत:
|
खडबडीतपणा मूल्ये, Ra (μm) |
खडबडीतपणा ग्रेड संख्या |
खडबडीतपणा चिन्ह |
|
50 |
N 12 |
∼ |
|
25 |
N 11 |
∇ |
|
12.5 |
N 10 |
|
|
6.3 |
N 9 |
∇∇ |
|
3.2 |
N 8 |
|
|
1.6 |
N 7 |
|
|
0.8 |
N 6 |
∇∇∇ |
|
0.4 |
N 5 |
|
|
0.2 |
N 4 |
|
|
0.1 |
N 3 |
∇∇∇∇ |
|
0.05 |
N 2 |
|
|
0.025 |
N 1 |
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