Table of Contents
Advertisement
Cam axis current value per cycle restoration operation
■With a two-way cam pattern operation
• Search from "Cam axis current value per cycle = 0". (Cam data starting point = 0)
Cam axis current value per cycle
Cam axis feed current value
(Feed current value)
Cam reference position
• Search from a value in the middle of the cam axis current value per cycle. (Cam data starting point 0)
Cam axis current value per cycle
Cam axis feed current value
(Feed current value)
Cam reference position
• Search from a value in the middle of the cam axis current value per cycle. (Cam data starting point 0)
Cam axis current value per cycle
Cam axis feed current value
(Feed current value)
Cam reference position
• The search fails.
Cam axis current value per cycle
Cam axis feed current value
(Feed current value)
Cam reference position
■With a feed operation cam pattern
• Search from "Cam axis current value per cycle = 0". (Cam data starting point = 0)
Cam axis current value per cycle
Cam axis feed current value
(Feed current value)
Cam reference position
5 SYNCHRONOUS CONTROL INITIAL POSITION
114
5.3 Cam Axis Position Restoration Method
Search from "Cam axis current value per cycle=0".
Restore to the first feed current value that matches.
(Other values are not restored.)
[Pr.468] Cam axis current value per cycle (Initial setting)
Search from the value in the middle.
(Preceding values are searched later.)
Restore to the first feed current value
that matches.
(The restoration is done on the second.)
[Pr.468] Cam axis current value per cycle (Initial setting)
Cam data
starting point
Restoration fails. No match
is found for the feed
current value within 1 cycle.
Search from "Cam axis current value per cycle=0".
Restore to the first feed current value that matches.
(Other values are not restored.)
Search from the value in the middle.
Restore to the first feed current value
that matches.
Advertisement
Table of Contents
