diff options
Diffstat (limited to '3886/CH6/EX6.16')
-rw-r--r-- | 3886/CH6/EX6.16/6_16.sce | 20 | ||||
-rw-r--r-- | 3886/CH6/EX6.16/6_16.txt | 3 |
2 files changed, 23 insertions, 0 deletions
diff --git a/3886/CH6/EX6.16/6_16.sce b/3886/CH6/EX6.16/6_16.sce new file mode 100644 index 000000000..8ad8da192 --- /dev/null +++ b/3886/CH6/EX6.16/6_16.sce @@ -0,0 +1,20 @@ +//Differential screw jack
+//pitch
+pA=10 //mm
+pB=5 //mm
+//lever arm length
+R=500 //mm
+VR=(2*%pi*R)/(pA-pB)
+P=185 //N
+W=15000 //N
+MA=W/P
+eta=MA*100/VR //percent
+//let the law of machine be P=m*W+C
+//from first case 185=m*15000+C
+//from second case 585=m*50000+C
+//solving we get
+m=4/350
+C=185-(m*15000) //N
+printf("Law of machine is P=%.4f*W+%0.2d ",m,C)
+
+
diff --git a/3886/CH6/EX6.16/6_16.txt b/3886/CH6/EX6.16/6_16.txt new file mode 100644 index 000000000..b8a1bd5fa --- /dev/null +++ b/3886/CH6/EX6.16/6_16.txt @@ -0,0 +1,3 @@ +
+--> exec('E:\My program EM\6. Lifting machines\6.16.sce', -1)
+Law of machine is P=0.0114*W+13
\ No newline at end of file |