OPTIONS
27080 Issue 1 Sept 98 10--21
Each printed character is made up of a fixed number of strokes. This
numbermust bedeterminedfromthe typeof printerand the message.
Examples are as follows:
Single print, single space = 6
Single print, double space = 7
Bolderise print, single space = 12
Bolderise print, double space = 14
Double bolderise, single space = 24
Double bolderise, double space = 28
16x10 single space = 12
16x10 double space = 14
16x10 bolderise, single space = 24
16x10 bolderise, double space = 28
16x10 double bolderise, single space = 48
16x10 double bolderise, double space = 56
Calculate the number of pulses required from the shaft encoder (to
within 10%) as follows.
Determine the number of strokes per character ”N”.
Determinethe pitchofthecharacters”P”. Thisisthe distancefromthe
front edge of one character to the front edge of the next character, in
millimetres.
Determine the distance the product moves in one revolution of the
encoder ”D” in millimetres.
Calculate: Required pulses per revolution = D x N
P
Thus, for example:
To print bolderise print, single space (i.e. N = 12), at 3mm character
pitch with the product moving 180mm per rev. of the shaft encoder:
Required shaft encoder output = 180 x 12
P
= 720 pulses per revolution.
Domino will provide advice on an appropriate encoder.
To Next Page
Loading...
Need help?
General
