Sommer & Maca Industries VFE-4, Manual

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7.1) Wheel replacement procedure
When replacing grinding or polish wheels, insert spindle-locking wrench over the flats on the spindle hub. Place
30mm box wrench or 8mm Allen wrench on the spindle locking screw, hold firm and rotate the spindle
clockwise. This will loosen locking screw. Reverse hub rotation to tighten locking screw.
In the event you must replace the diamond grinding, proceed as follows:
•
Lower the diamond-grinding wheel via the knurled knob as far as possible while leaving the locknut in its
previous position.
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Remove the old wheel as mentioned above
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Install the new wheel
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Turn water on
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Turn motor M1 on if you working on spindle 1
•
Adjust conveyor speed to minimum level
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Load a piece of glass into the machine
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Set the conveyor direction switch to forward
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Press the conveyor start button
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Wait until glass passes the grinding wheel, and set the conveyor direction switch to forward
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Remove glass and measure the amount of glass removed
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Raise the knurled knob until the desired amount of glass is removed and retighten locknut
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Gradually increase the glass conveyor speed to its desired level
In the event of glass breakage, press the emergency stop button
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Decrease speed control setting and remove the glass from the machine by reversing the glass travel
direction.
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Correct the problem causing the breakage and resume operation.
7.2) Necessary spacing between glass pieces
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Leave 1 inch in between glass pieces of same thickness, so you can put your fingers between the two glass
pieces to remove it from glass conveyor.
•
Leave 8 inches in between glass pieces of different thickness , because that is the necessary distance for
arris and polish spindle to retract and engage.