Linear Mass Sensors
Sencon’s unique and versatile Linear Mass Sensor has revolutionized speed control for canmaking lines.
- Perfect Speed Matching Systems
- Stable Conveyor Conditions
- Close Coupled Synchronization
- Conveyor Pressure Control
Sencon's Linear Mass Sensor (LMS) was born from the need for improved flow control on 2pc canmaking lines. By providing an analog signal that is proportional to can back-up on the conveyor, the LMS can be used to modulate machine speed or conveyor speed accordingly. This makes smooth, precise, self-correcting speed control possible right down the line. It can be used along mass conveyors, on single file conveyors or at gravity drops. It can control the speed of machines and variable speed conveyors as well as metering units. In fact, applications are limited only by the imagination of the control engineer.
Perfect Speed Matching - When used on the infeed to machines, the LMS controls the machine speed to perfectly match the rate of cans being supplied to the machine. It will do this smoothly without overshoot across a wide speed range, eliminating the constant speed variations that are a design feature of traditional slow-medium-high speed control systems.
Stable Conveyor Conditions - Stable conveyor conditions are vital for today’s lightweight cans and high speed machinery. The LMS enables complete speed control with minimum changes in conveyor back up, so creating optimum conveyor conditions, empty out space, accumulation space and minimum can
pressure.
Close Coupled Synchronization - The output of the LMS responds to each and every can instantaneously,which means that a machine does not have to wait for a sensor to coverit before it begins to respond. So close installation of waxers, neckers and testers is possible, with each machine maintaining perfect intermachine back-ups/feed rates.
Conveyor Pressure Control - The LMS enables conveyor speed to be varied relative to back up.When full, the conveyor should run at machine rate, creating no excess can pressure, but as it empties the speed should increase. So when
recovering from an empty-out situation, conveyor speed is maximum, thus reducing transit and refill times, adding precious seconds to the line efficiency.
Easy Installation, Even On Complex Conveyors - Another possibility is to isolate and use the side rail on one or both sides of the track to monitor can density instead of using the sensor wire. This makes installation practical on complex conveyor shapes such as swan necks or curved 'tunnel' track.
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