PA Industries Edge Servo Roll Feed SRF-100(for Serial Numbers 7610697 and higher) - Manual (Page 9)

TYPICAL 180 DEGREE FEED ANGLE (FROM 260 DEGREES TO 80 DEGREES)
WITH MECHANICAL PILOT RELEASE:
9
FEED ADVANCE CAM
180° FEED ANGLE
FEEDER STARTS FEEDING AT 260°
AND MUST BE IN POSITION AT 80°
FEED CAM “ON”
FEED CAM “OFF”
FEED MUST BE
“IN POSITION”
ROLL CLOSING
ZONE;
FEED ROLLS
MUST FULLY CLOSE
IN THIS ZONE
TO PREVENT ROLL
SLIPPAGE AT START
OF FEEDING
SAFETY ANGLE ;
PRESS RAM MUST
STOP IN THIS ZONE
IN EVENT OF A
FEED ERROR
DRAWING 17141-02
CONTINUE CAM SIGNAL
CONTINUE CAM “ON” AT 180°
CONTINUE CAM “OFF” AT 200°
Figure 5. FEED ANGLE
260°
80°
125°
TDC
0°
180°
BDC
235°
200°
All the adjustments to the feed system and press
have now been made. The press is at Top Dead
Center (
TDC ) and ready for automatic cycling.
Proceed by inching the press thru another stroke,
verifying that things are happening at the correct
time (pilot release, feed advance). If the system is
operating properly, you can make a few more “hits”,
check your parts, and then put the press into
continuous mode.
The Edge Servo Roll Feed will now follow the
press until it is stopped by the Operator, counter,
emergency stop, or feed error.
The display will show:
The speed performance chart (Figure 6) is to be
used as a guide only. Actual feeder/press speeds
may vary depending on factors such as material
thickness, width, rigidity, surface finish, and line
payoff/straightener conditions.
LENGTH 00001.253
COUNT 001000
SPEED 0050/SEC
BATCH RUNNING
WORKING ANGLE
(PUNCHES IN STRIP)
(ROLLS RELEASED WITH
MECHANICAL RELEASE)
ROLL OPENING
ZONE FOR
PILOT RELEASE
(PNEUMATIC OR
MECHANICAL)