SmartPAC PRO User Manual
1143100
Chapter 7 – ProCamPAC Instructions
205
press is running
.
When the press is stroking, the press speed in SPM is displayed in the upper right
corner of the screen under the caption PRESS SPEED. When an Auto Advance cam is turned on, the
press angle is displayed in the same location under the caption PRESS ANGLE. The PRESS
ANGLE display enables you to see the effect of different Advance Constant and Slow RPM settings.
Calculating the Auto Advance Constant
To calculate the auto advance constant for a specified cam channel, follow these steps:
1.
Determine the fastest speed (RPMa) of your press and the angle at which the cam should turn on
at this speed (Aa).
2.
Determine the slowest speed (RPMb) of your press and the angle at which the cam should turn on
at this speed (Ab).
NOTICE
If either stopping angle occurs after 0°(or 360°), then add 360° to the angle. For instance, if the
press stops at 12°, the stopping angle is actually 12°+360°or 372°
3.
Subtract the two angle values. We will call this result “Ac.”
Aa
– Ab = Ac
4.
Subtract the two press speeds. We will call this result “RPMc.”
RPMa
– RPMb = RPMc
5.
Divide
Ac
(the difference between the angles) by
RPMc
(the difference between the press
speeds), and multiply that value by 100. That is the number of degrees per 100 RPM.
Ac / RPMc x 100 = #
/ 100 RPM
Example: Calculating the Auto Advance Constant for a Pilot Release Cam
Your slowest speed is 50 RPM and the pilot release angle at that speed is 100
. Your fastest
speed is 100 RPM and the pilot release angle at that speed is 75
. Subtract 50 RPM from 100
RPM: 100
– 50 = 50
Subtract 75
from 100
: 100
– 75 = 25
Divide the difference in angles by the difference in RPM, and multiply this by 100:
25 / 50 x 100 = 50
Your advance constant is 50
/ 100 RPM.
Setting Auto Advance Constants and Slow RPM
To set the auto advance constants and slow RPM value, do the following:
1.
Select AUTO ADVANCE on the Main Initialization Menu. The Auto Advance Menu
appears, Figure 7-3.
Summary of Contents for SmartPAC PRO
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Page 42: ...1143100 SmartPAC PRO User Manual 42 Chapter 1 Introduction to SmartPAC PRO ...
Page 142: ...1143100 SmartPAC PRO User Manual 142 Chapter 4 SmartPAC PRO Program Mode ...
Page 200: ...1143100 SmartPAC PRO User Manual 200 Chapter 6 Using DiProPAC Die Protection Optional ...
Page 222: ...1143100 SmartPAC PRO User Manual 222 Chapter 7 ProCamPAC Instructions ...
Page 254: ...1143100 SmartPAC PRO User Manual Appendix C SmartView Remote Viewing and E mail Setup 254 ...
Page 280: ...SmartPAC PRO User Manual 1143100 280 Appendix C Reporting Downtime and Scrap to SFC ...
Page 290: ...SmartPAC PRO User Manual 1143100 290 Index Y yellow fault 232 yellow sensor 169 ...
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