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7.1

SECTION 7 - OPTIONS

This system monitors lateral blade deviation during cutting. If the blade deection increases beyond the pre-set warning

limit, then the monitoring device sends a warning signal by means of a ashing beacon mounted on top of the machine

head. If no steps are taken to correct this condition, the machine will continue to cut until the pre-set shut-down limit is

reached. At this point the machine will behave in one of two ways selectable by a parameter setting:

1. Stop cutting, raise the head, and shut down.

2. Finish the cut with the present degree of deviation and then shut down.

FACTORY DEFAULT SETTING IS: #1. Stop cutting, raise the head, and shut down.

BLADE DEVIATION

OVERVIEW OF THE BLADE DEVIATION MONITORING SYSTEM. (BDMS)

OPERATION OF THE SYSTEM

The proximity transducer is enclosed in a housing mounted on the idler side guide arm. The sensor converts the blade

lateral deection to an analog signal, which is sent to the PLC. After a series of calculations the lateral deection is

displayed on the operator interface in the form of a bar graph.

The bar graph appears in both the Manual Mode and Automatic Mode Screens. It is only active when the blade is running

and head is descending. The length of the bar graph is proportional to the blade deection. The bar graph extends from

the screen centre towards the right if the blade is deviating towards the front of the saw (cutting into the part), and extends

from the screen centre towards the left if the blade is deviating towards the rear of the saw (cutting into the stock).

If a warning limit is reached and maintained longer than the preset response time, then the beacon light mounted on top of

the head will start ashing.

If a shutdown limit is reached and maintained longer than the preset response time, then the machine will behave in one

of two ways:

1. Stop cutting, raise the head, and shut down.

2. Finish the cut with the present degree of deviation and then shut down.

E1060

NAVIGATION KEYS

ENTER KEY

Fig.1

Hydmech M16A User Manual

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