SEMI-AUTOMATIC MACHINES FOR MAKING MESH OF PLATES

Краткое описаниеФотоЦена

Table of values of stretching factor Kstr.
to determine the length of mesh made
by notching - stretching method.

Advance ln, mm Stretching factor, Kstr.
Stretching value, A, mm
B=30* B=40 B=50 B=70
1 2 3 4 5 6
max**
7 8
max
9 10
max
11 12 13
1,5 1,19 1,66 2,23 2,84 3,48 4,12 4,77 5,42 6,08 6,74      
2,25 1,08 1,33 1,66 2,03 2,43 2,84 3,26 3,69 4,12 4,55      
3,0 1,05 1,20 1,41 1,67 1,94 2,24 2,54 2,85 3,16 3,48 3,80 4,12 4,45
4,0           1,80 2,02 2,24 2,46 2,69 2,93 3,16 3,40
4,5       1,34 1,49 1,67 1,85 2,04 2,24 2,44 2,64 2,85 3,06
6,0       1,20 1,30 1,41 1,54 1,67 1,80 1,94 2,09 2,24 2,39
8,0           1,25 1,33 1,41 1,50 1,60 1,70 1,80 1,91
10,0           1,17 1,22 1,28 1,34 1,41 1,49 1,56 1,64

Table, ctd

Advance ln, mm Stretching factor, Kstr.
Stretching value, A, mm, at cell spacing
B=70 B=90 B=110 B=125

14
max

15
max
16 17 18
max
19 20
max
21 22
max
23 24 25
max
3,0 4,77 5,10 5,43 5,75 6,08 6,41 6,74          
4,0 3,64 3,88 4,12 4,37 4,61 4,85 5,10 5,34 5,59 5,84 6,08 6,33
4,5 3,27 3,48 3,69 3,90 4,12              
6,0 2,54 2,69 2,85 3,00 3,16 3,32 3,48 3,64 3,80 3,96 4,12 4,28
8,0 2,02 2,12 2,24 2,36 2,46 2,58 2,69 2,81 2,93 3,04 3,16 3,28
10,0 1,72 1,80 1,89 1,97 2,06 2,15 2,24 2,32 2,42 2,51 2,60 2,69

* B, mm - cel spacing
** max - maximum permissible values of stretching A for given cell spacing B.

Length of mesh is determined by formula

L = Kstr. х Lp,m, where

Length of initial piece can be determined by formula:

Linit = Lp + Lrem, m, where



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