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2012 Sencon Incorporated Page 1 BCM500/387 Bodymaker System
BCM500: DESCRIPTION
ALUMINUM-ON-PUNCH BODYMAKER SENSOR SYSTEM
T e Aluminum-on-Punc Bodymaker Sensor System detects t e presence of wall-ironed aluminum on t e
forming punc of a bodymaker. T e system is made up of a specialty sensor, t e 387, and a control module,
t e BCM500. T e system automatically compensates for t e magnetic properties of t e punc and mounting
ardware, eliminating t e need for a different sensor for eac punc composition. T is also eliminates
problems associated wit magnetic variations attributed to carbide batc tolerances, and minimizes t e effect
of variations due to temperature. T e system profiles t e punc , w ic allows t e sensor to accurately detect
tearoffs and s ort cans before t e punc is fully extended, t us providing more time to stop t e mac ine. T e
Sensor System detects aluminum over a variety of punc materials, making it ideal for plants c anging from
one punc type to anot er.
T e Bodymaker Sensor System offers two modes for stopping t e bodymaker, immediate stop and timed
stop. T e immediate stop mode stops t e mac ine w en a can defect is detected. T e module immediately
opens two transistor switc es t at can interrupt 2 Amperes at 24 Volts w en a defect is detected. T e timed
stop mode sync ronizes stopping t e mac ine wit t e leading edge of t e backstop window.
T e Bodymaker Sensor System is not applied t e same way a typical absence/presence proximity sensor is
applied. T e mac ine control logic must be altered to do t e calibration function of t e sensor. T is allows
t e sensor to calibrate to t e punc material and to profile t e punc . Four or more dry strokes (mac ine
strokes wit out cans in process) are required to calibrate t e sensor.
T e BCM500 expands t e capabilities of t e 387-S1 Bodymaker Sensor System. T e module supports t e
original s ort can and tearoff detection and supports dome jam detection and t e airstrip function. T e 387
sensor design is en anced wit extended calibration capabilities. T e sensor now works wit ceramic
punc es t at ave steel nose pieces. T e sensor also maintains calibration information internally in
EEPROM, eliminating t e need to recalibrate every time t e power to t e sensor cycles.
T e 9H-387 sensor as an integral cable and t e 11H-387 sensor is terminated using a quick disconnect
cable. A ose fitting designed to accept 0.75" I.D. [19.1 mm] ydraulic tubing surrounds t e connector. Use a
stainless steel ose clamp to provide a positive mec anical and ydraulic seal of t e ose to t e fitting. T is
aids in s ielding t e sensor and connector from t e bodymaker coolant.
Sensors ot er t an a 387 can be used wit t e BCM500. Consult t e factory for applications w ere t e
BCM500 is to be used wit existing Sencon 287 style bodymaker sensors.
