6
Series 1999SEMC Semelex® Safetimeter
6380 Brockway Rd, Peck, Michigan 48466 • Phone: 248-435-0700
3.2: Set the Control Start Point (CSP)
There are three ways to set the CSP depending on the following conditions.
Proceed to the section that best fits your condition.
A. Setting the CSP dial when the press stroke is known.
B. Setting the CSP dial when the press stroke is not known.
C. Setting the CSP dial at the 90-degree crankshaft position.
A. Setting the CSP dial when the press stroke is known.
1. Raise the press to the top of its stroke.
a. Set the TIME UP/TIME DOWN switch to TIME DOWN position.
b. Set the FULL REV/PART REV switch to PART REV.
c. Select either STOP TIME (mSEC) or SAFETY DISTANCE (IN) display.
2. Switch on the Safetimeter.
3. Turn the CSP dial clockwise until the Safetimeter begins to count.
4. Switch the Safetimeter OFF and then ON to stop the counter.
5. Turn the CSP dial counterclockwise somewhere below the reading where the Safetimeter began to count.
6. Slowly turn the CSP dial clockwise and stop when the Safetimeter begins to count. The number displayed in the
CSP dial is the distance between the base of the P/V transducer and the ram.
7. Subtract 1/2 of the press stroke from the number displayed in the CSP dial to calculate the Control Start Point.
Example: If the number displayed in the CSP dial is 240 (24.0”) and the press stroke is 6”, subtract 3” (1/2 stroke)
from 24.0” equals 21.0”. This is the mid-stroke position. While it may not represent the exact 90-degree point of the
crankshaft, it is close. This electronically measured point in the stroke will start the Safetimeter and fires the Auto-Hand.
8. Set the CSP dial to the result of Step 8. From the example, the CSP dial would be set to 210 (21.0”).
B. Setting the CSP dial when the press stroke is not known.
1. Find the open height of the press by performing steps 1-7 in subsection (A). Record the distance determined in
step 7.
2. Lower the press ram to the bottom of the stroke. Find the closed height of the press by performing steps 2-7 in
subsection (A). Record the distance determined in step 7.
3. Using the two distances determined from steps 1 and 2, calculate the mid-stroke position using the following
method: Add the two measurements together and divide by two (2).
