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CNC Windows Software

The development of computer numericincorporating two different lettering styles
controlled (CNC) routing, using affordableand a graphical logo. Having launched OSS
personal computers has already begun toDraw, the first step is to draw a box or
revolutionise all aspects of the woodworkingboarder on the screen to indicate the overall
industry. In so doing it has created newarea of the work. This can be either a simple
opportunities for large and small businessesrectangular boarder or a more decorative one.
as  well  as  for  individual  craftsmen.This border then needs to have a depth
assigned to it. This is done by using colours
CNC is a technique whereby the movement of ato  define  the  depth  of  each  area.
router head is controlled by instructions
from a computer. These instructions come fromThe logo is then created using the drawing
a computer program or list that the user keystools within OSS Draw. The words are keyed in
into the CNC 860 console or into a computerusing the text function. Again, colours are
as ISO standard commands called 'G' codes.Asassigned to each area to produce a graphical
an example, the code G01 X100 Y100, instructsrepresentation of how the finished sign will
the head to move in a straight line to alook. The next task is to define the routing
point horizontally and vertically 100mm awayparameters. In the example, the red and blue
from  its  starting  position.areas of the logo and the lettering have been
assigned a depth of 5mm and the green area
The CNC 860 The Trend CNC package is basedassigned a depth of zero. The same dialogue
around the Elu/DeWalt CNC 860 Machiningbox lets you specify whether a letter or
Centre, which has a machining area of 860mm xobject is engraved or routed through the
860mm x 90mm. These dimensions relate to thematerial. The cutter profile that will be
three axes, X,Y and Z (width, length andused can now be defined. With lettering,
height). Each axis is served by a separateparticularly serifed fonts, the cutter used
stepper motor, controlling the movement ofneeds to have a small diameter, perhaps 3mm.
the routing head. Two head options areHowever, to achieve a 5mm cutting depth this
offered: a modified portable router or awill  have  to  be  routed in several passes.
continuously rated, high cycle motor, that
provides improved performance for intensiveA simulation of the cutting path is now drawn
machining  applications.on screen. Having then created a G-code file
of the sign ready for the CNC 860 to cut, the
Programming directly in G-codes through thefile is downloaded to the CNC 860. The design
console can be time consuming. To assist thecan now be routed, the material being held on
operator, a PC software application calledthe bed by an adaptable clamping mechanism.
CNCTalk is included with the machine. This isFrom the simulation, the path that the tool
a basic computer aided design (CAD)will take is known allowing a datum point to
application which runs under DOS, thebe set using the zero key on the console, and
original PC operating system before Windows.the program 8 INProfile is run using the
It is useful for intermediate applicationsstart key. This type of routing operation
like cutting out irregular shapes. However,takes around 20 minutes to complete and
to gain the maximum versatility from the CNCrequires no further involvement by the
860,Trend's Open Sign System Software formachine operator. Other accessories
Windows  is  the  most  effective  solution.Sign-writing is just one of the many complex
and wide ranging routing operations that can
OSS consists of two separate softwarebe carried out using the OSS and CNC 860
applications: OSS Draw which provides thepackage. OSS also has a range of tools for
drawing tools to create any shape or sign,drawing component shapes and profiles
and OSS Work which handles all the routingdirectly or with an electronic sketchpad
and tooling-related parameters like depth and(graphics tablet). Vacuum Clamping To reduce
offset. Graphical simulations are shown forthe through-put time for this kind of
all tool parameters enabling the user tooperation, the CNC 860 can also be used with
perfect a design before routing any material.a vacuum bed. Trend offer a complete range of
affordable vacuum pumps and jigmaking
Sign-writing As an example of how theseaccessories to enable all CNC users to
products work together, the method ofproduce a highly automated production system
producing a simple sign is shown,to suit their own specific requirements.



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