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