도도의 초록누리

나사의 호칭

피치p

 접촉높이

암나사

골지름

유효지름

안지름

 1

 2

 3

수나사

바깥지름

유효지름

골지름

M 1

0.25

0.135 

1.000

0.838

0.729

M1.1 

0.25

0.135

1.100

0.938

0.829

M 1.2

0.25

0.135

1.200

1.038

0.929

M 1.4

0.3

0.162

1.400

1.205

1.075

M 1.6

0.35

0.189

1.600

1.373

1.221

M 1.8 

0.35

0.189

1.800

1.573

1.421

나사의 호칭 

피치(p)

접촉높이

암나사

골지름

유효나사

안지름

수나사

바깥지름

유효지름

골지름

Tr 8 x 1.5

1.5

0.75

8.000

7.250

6.500

Tr 9 x 2

Tr 9 x 1.5

2

1.5

1

0.75

9.000

9.000

8.000

8.250

7.000

7.500

Tr 10 x 2

Tr 10 x 1.5

2

1.5

1

0.75

10.000

10.000

9.000

9.250

8.000

8.500

번호 

언어(Language)

단어(Word)

뜻(Mean)

한글(Korean)

1

영어(English)->

한글(Korean)

They

그들은,

("그들은"으로
번역되지만 않음.)

데이

2

영어(English)->

한글(Korean)

also

또한

올소

3

영어(English)->

한글(Korean)

equipment

장비

이큅멘트

4

영어(English)->

한글(Korean)

for

동안, ~에

포

5

영어(English)->

한글(Korean)

chemistry

화학

케미스트리

6

영어(English)->

한글(Korean)

electron

전자

전자

7

영어(English)->

한글(Korean)

electric

전기

일렉트릭

 수직응력(Normal Stress)

전단응력(Shearing Stress)

 안전계수(factor of safety ; S)

 /*
 * Created: 2018-05-29
 * Subject: Calculate.java
 * Author: Dodo
 */

 public class Calculate {
 
      private final double PI = 3.14159265359;
 
      public Calculate() {
 
      }
 
      public double generalArea(double dimension) {
             return ( PI / 4 ) * (dimension * dimension);
      }
 
      public Stress getStress(Stress value) {
   
             double weight = value.getWeight();
             double area = value.getArea();
             double stress = weight / area;
  
             value.setStress(stress);
             return value;
     }

     public double getSafety(Stress allow, Stress yield) {
  
             double safety = allow.getStress() / yield.getStress();
             return safety;
     }

}

 Calculate.java

 /*
  * Created: 2018-05-29
  * Subject: Stress.java
  * Author: Dodo
*/

public class Stress {
 
       private double stress;
       private double weight;
       private double area;

       public Stress() {
            this.stress = 0;
            this.weight = 0;
            this.area = 0;
       }
 
       public Stress(double stress, double weight, double area) {
            this.stress = stress;
            this.weight = weight;
            this.area = area;
       }

       public double getStress() {
            return stress;
       }
 
       public void setStress(double stress) {
            this.stress = stress;
       }
 
       public double getWeight() {
            return weight;
       }
 
       public void setWeight(double weight) {
            this.weight = weight;
       }
 
       public double getArea() {
            return area;
       }
 
       public void setArea(double area) {
            this.area = area;
       }
  
 } 

 Stress.java

 /*
 * Created: 2018-05-29
 * Subject: Program.java
 * Author: Dodo
*/

 import java.io.File;
 import java.io.FileWriter;

 public class Program {
 
       private static final int MAX = 10000;
 
       public static void main(String[] args) {
              experiment();
       }
 
       public static void experiment() {
   
              String txt = "테스트입니다!!" ;
              String fileName = "test11.txt" ;      
       
              int retval1 = -1;
              int retval2 = -1;

              try{
                   // 파일 객체 생성
                   File file = new File(fileName) ;

                   // true 지정시 파일의 기존 내용에 이어서 작성
                   FileWriter fw = new FileWriter(file, true) ;

                   // 계산
                   Calculate calculate = new Calculate();

                   int count = 1;
      
                   double weight = 10;
                   double area = 0;  
                   double dimension = 0;
       
                   double resultStress = 0;
                   double targetMin = 8.1;
                   double targetMax = 9.4;

                   String strTxt ;
      
                   strTxt = "count,weight,dimension,area,stress,result";
                   // 파일안에 문자열 쓰기

                   fw.write(strTxt);
                   fw.write("\r\n");
                   fw.flush();
      
                   for ( int i = 0; i < MAX; i++ ) {
       
                      weight = i;
       
                      for ( int j = 0; j < MAX; j++ ) {
        
                           dimension = j;
                           area = calculate.generalArea(dimension);
        
                           resultStress = weight / area;
         
                           strTxt = count + "," + weight + "," + dimension + "," + area + "," + resultStress + " ,실험";
                
                           retval1 = Double.compare (resultStress, targetMin);
                           retval2 = Double.compare(resultStress, targetMax);
        
                           if ( retval1 > 0 && retval2 < 0 ) {
                                  strTxt = count + "," + weight + "," + dimension + "," + area + "," + resultStress + " ,참";
                           } // end of if
        
                           // 파일안에 문자열 쓰기
                          fw.write(strTxt);
                          fw.write("\r\n");
                          fw.flush();
        
                          count++;
         
                   } // end of for
      
               } // end of for

               // 객체 닫기
               fw.close();

        }catch(Exception e){
               e.printStackTrace();
        } // try~catch
       
    }
 
}

 Program.java