Embedded Files
AVC_InsideCorner plugin for AutoCAD and BricsCAD
AVC_InsideCorner plugin for AutoCAD and BricsCAD
Contours for milling approach in the inside corners
Contours for milling approach in the inside corners
The Inside Corner (IC) command is one of A>V>C> developments to facilitate the preparation of contours for CNC milling machines. When you need a mill to cut a window in the details, then in the inner corners are always rounding cutter diameter. Often, these rounding prevent docking details. To CNC milling machine brought the cutter to the corner, you need to add to the contour of the approach arc. Of course at the same time formed a small gap in the part near the corner. Usually they are not visible or no value. The main thing that the details will dock with each other.
Features of the program
Features of the program
Forms arcs on a polyline to approach a round cutter to the inner corners of the part (full cutting of corners).
Forms the cutter surface of the inner corner on the 3D solids.
You can specify the diameter of the cutter, and the program can provide clearance for the free passage of the cutter.
On polylines, you can process angles between straight segments and arcs (but on solids, the surfaces must be flat).
You can force the program to extend the contour of the entry into the corner to completely select sharp corners.
You can enter the cutter into the corner along the bisector or along one of the sides of the corner.
You can process all corners of the polyline at once or select two segments at one corner.
You can process all corners of a solid.
The program itself will throw too sharp and too obtuse angles.
Small polylines at the corner will be absorbed.
If the ends of the polyline almost coincide, then the command itself set the property Closed = Yes
Read about downloading and installing the program here.
To run the plugin, you will have to register account and top up your account balance or receiving bonuses.
Then you can activate one of the licenses:
Annual license - 10 EUR.
Unlimited license - 50 EUR. Free updates for 1 year.
The trial period is 20 days.
Also command IC is a part of the A>V>C> Pro package.
IC command
IC command
At start you can select two lines or a line and an arc. The main thing that they were in the same plane and have a common point.
Also, you can use Ctrl for selecting two segments of polyline (liner or arched).
During the selection of objects, you will have three options:
Diameter - input of the diameter of the mill
subselectON/subselectOFF - turn on sub-object selection mode (for polyline segments and solid edges), so as not to hold CTRL.
SwitchStyle - Quickly switch settings style using style number.
TUNE - call the setup dialog
You can select any cutter diameter. Default = 12mm or ½ inch.
Note that by changing the diameter in this command, you will reconfigure it in the other contour processing commands (OutsideLoop and DadoLoop).
When entering the diameter, you can also select the Settings option to bring up the settings dialog.
Program will draw an arc with a diameter slightly larger cutter (0.01 mm) and place it in the corner so to provide finishing cutter into a corner, but leave a minimum extra hole.
The command can handle all internal corners of closed polyline. Just program will ask you which side milling.
It is also possible to make notch at 3D model. You can select solid for cutting all inner corners or select solid edge through CTRL which adjoin two flat surfaces forming the inner corner. On the cylindrical surface of the program is not working.
The program is designed to work with angles from 90°. For sharp corners, this method does not work because the resulting circuit has a very narrow section. The program will automatically calculate the sharpest angle that a milling cutter can pass through a given gap. For example, if the cutter is 8mm and the gap is 0.01, then angles sharper than 87.1° will be ignored. If the gap is not specified, a limitation > 90° - 0.5° (angle tolerance) will be used.
However, you can enable the "Acute angles" option and the program will process sharp corners too. In this case, the program will build an additional path for the cutter to pass to the sharp corner. Moreover, if the sides of the corner are arcs, then the entry path will also be an arc. In this way, you will be able to process almost all corners. But, of course, the shape of the part will change significantly.
Does not make sense doing calls in too obtuse angles because "notch" in the details may be hardly noticeable, less tolerance. The program automatically calculates the most obtuse angle for which it makes sense to make the cutter's approach (in which the arc enters into part to a depth specified by the permissible tolerance). For example, for a cutter 8mm and an tolerance of 0.5mm, angles obtuse 122.1 ° will be ignored.
You can change the direction from which the cutter approaches the corner. Usually, the program enters the corner along the bisector of the angle. This ensures the smallest gaps between the parts. But you can set the direction of entry along one of the sides of the corner - long or short. Then the cutter will completely go beyond the corner and a characteristic "bone" will form on the rectangular window. This method of processing the corner produces more sawdust, consumes more cutter resource and processing time. But entry along the side of the corner sometimes allows you to hide the cutter exits under the joined part. For example, entry along the long side will be useful if you made a joint of parts using the Tab-Slot program.
For corners with absolutely the same side length, selecting the processing by the long side will work as selecting the side along the X axis.
Selecting the direction by the long or short side may not work properly if you process all corners of a part or contour at once. After forming the arc of entry into the corner, the length of the sides of the corner changes and the next corner in the order of contour bypass may already be processed in the wrong direction. In this case, cancel the processing of corners and select such corners separately, processing each corner with a separate IC command.
If the polyline segments are too short to make the arc between them, the program will ignore such segments, find the intersection point of the following segments and try to make a notch into this "imaginary" angle.
The program works on a cycle, until you press the Esc
Watch for the command line - there are displayed all the messages of the program.
Options
Options
You can bring up the settings dialog by selecting the Tune option or use AvcOptions palette on NC Prepare tab.
All options have a tooltip.
There are many settings and for your convenience, you can use ready-made sets of settings: NC-Style. You can create up to 9 styles. You can switch the current style in the header of the settings window. And during the work of the command, you can call the SwitchStyle option and select the style by its number.
Attention! The current NC-style affects all contour commands. Switching the style in one command you will work with this style in all other command too.
The operation of the command is affected by the Cutter Diameter, Gap, Permissible variations, as well as the Tolerance settings from the Common options of all the A>V>C> plug-ins.
You can set up contour processing commands (OutsideLoop and DadoLoop) so that they themselves call the Inside Corner (IC) command. To do this, check the Consider diameter and the Inside corner.
This screenshot highlights the settings that are relevant to the Inside Corner program.
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