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MICROCHINE
The PACE MicroChine handpiece has a number of unique features which are not available in any other
motorized, hand-held machining tool. The user is provided with a broad range of machining capabilities
required in the repair, rework, modification, prototyping and manufacturing of printed circuit boards and
electronic assemblies.
This lightweight, variable speed, static dissipative, hand-held machining instrument offers the user a
primary handpiece with the torque and adjustable rotational speed needed to perform a number of
controlled drilling, milling and abrading tasks under varying loads.
The Probe Brake feature was developed to help you when repairing multilayer printed circuit boards. In
use, a lead is connected between the PROBE BRAKE Receptacle on the front panel of the power source
and a surface or inner layer conductor (land, trace etc.) on the circuit board. During excavation or drilling
tasks when the MicroChine drill or mill contacts this desired conductor, the brake circuit is activated and
stops the motor instantly. This allows very accurate and precise nondestructive excavation on multilayer
assemblies to the exact depth required.
The MicroChine Status Indicator LED illuminates Green in color when the MicroChine handpiece is
activated, Amber in color in maximum torque mode and Red in color when Probe Brake circuit is
activated. Electrical power input can be controlled with the integral finger switch conveniently located in
the handpiece or with the foot pedal.
SET-UP
1. Insure that the POWER Switch is in the "ON"
position.
2. Connect the MicroChine handpiece power cable
connector to the MicroChine Power
Receptacle.
Figure 112. MicroChine Attachment
89
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