TM 5-6675-316-14
3-3. TECHNICAL PRINCIPLES OF OPERATION. The purpose of the Model 102K Combined.
Drafting and Measuring Machine is to measure and/or draft geometric shapes, lines,
points, and to process geometric and positional data. It is composed of the
following items:
Drafting Table
DKA-3 Digitizing System
DSP-2 Machine Controller
3-3.1 Drafting Table.
Performs all drafting and measuring operations. It is
composed of:
Table Frame
Drafting Surface
X-Y Coordinate System
X-Y Digital Display
a. Table Frame.
The basic frame is steel with four legs and contains the
drafting surface and lighting unit.
The carriage systems longitudinal rail and
support rail are mounted on the sides of table.
The table frame also houses the
primary power wires (F03-1).
b. Drafting Surface.
The drafting surface is glass which has a special coating
on its bottom which provides for non-glare lighting. The glass provides a smooth
surface for the drafting material to be attached.
3-10