AUTOCAD application in sheet metal industry

AUTOCAD application in sheet metal industry
CAD2013 study notes

(Dingli Sheet Metal Honor Publishing)


v Basic settings

1 Click the lower right setting button as shown below: China Hardware Business Network To switch the display mode of the work interface, such as: cad classic mode

2 Right-click on the upper toolbar or toolbar to display the toolbar you want to use:



Upper toolbar China Hardware Business Network




Toolbar

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v label

1 click format China Hardware Business Network Select the label style or enter d in the command line to display the following interface:

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2 Select the Modify button to display the following interface:

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Select Adjust to modify the size of the label using the global scale

Select symbols and arrows to modify the style of the dimension line



3 How to label objects

3.1 Line marking has the following two methods:

1Select the line label button in the label toolbar China Hardware Business Network

Click on a short point in a straight line and then click on the line to the other short point to drag up or down and click on the workspace: Finish the callout.

2 Select the line label, enter the line, select the line, drag the label, click to complete the label.



The first method is suitable for all pairs of straight lines. The second method only works for a single straight line (this line does not contain line segments)



Line labels can only be marked with a straight line in the horizontal or vertical direction




3.2 slash mark

3.2.1 Select the slash mark button China Hardware Business Network The labeling method is the same as the line labeling method

3.3 circle mark (diameter, radius and center)

3.3.1 Diameter marking China Hardware Business Network Select the diameter label button to select the circle for labeling

3.3.2 Radius labeling China Hardware Business Network The labeling method is the same as the diameter label

3.3.3 Center mark China Hardware Business Network Select the center mark selection to mark the first circle

3.4 Angle labeling

Select angle annotation China Hardware Business Network Then select the two sides of the corner separately

3.5 arc length label

Select arc length label China Hardware Business Network Select the arc length to be labeled



v Object snap settings

1 Right click on the object snap button China Hardware Business Network Select settings to display the following interface: Select the object capture tab to increase or decrease the current need to capture the element

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v drawing

Note: (You need to turn on the orthogonal before drawing (to ensure that the line is a smooth line))

1 straight line

1.1 Select the line button or enter line at the command line. Enter the starting point of the line and select the end point.

1.2 Click on the line to appear 3 points on the left of the blue point. You can extend the line to the left to the left. You can move the line to the right. The point on the right can extend the line to the right.

2 slash

1.3 Cancel Orthogonal to draw a slash

3 tangent

3.1 Select the line and hold down ctrl + right mouse button to select the tangent to find the first tangent point. If you want to draw 2 tangent points again ctrl + right mouse button to select the tangent to find the second point to draw a few points to repeat several times



4 round



4.1 Direct drawing circle

Select the circle and find the center of the input radius.

4.2 Tangent, tangent, radius

Check the circle to select the cut point, tangent point, radius button or enter T to enter

Find the first tangent point and find the 2nd cut point input radius. Enter the following picture: Red circle is tangent circle

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4.3 Tangent, Tangent, Tangent

Select Drawing Select Circle Select Tangent, Tangent, Tangent Specify the first tangent to specify the second tangent as shown in the blue circle below:

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5 polygon

5.1 is connected to the circle

Select polygon or enter polygon Enter Enter the number of polygons and enter the specified polygonal center. Select Inline or Enter I to enter the polygon radius.

5.2 External cut to the circle

Select polygon or enter polygon Enter Enter the number of polygons and enter the specified polygonal center. Select the circumscribed circle or enter the I enter input polygon radius.

5.3 How to distinguish between drawing and inscribed polygons and circumscribed polygons

1 If the label is a corner point to a corner point is an inscribed polygon type as shown below:

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2 If the label is edge to edge then the outer polygon is as follows:

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6 rectangle

6.1 Select a rectangle to drag directly in the workspace

6.2 Enter @100 in the command, 50 100 is the length 50 is the width to draw a length 100 width 50 to the rectangle

7 arc

7.1 Selecting a drawing Selecting an arc selection corresponds to the drawing method required

8 angle

8.1 Positive angle

Select a line and type @100 on the command line
The length of the angle of 50 means that the angle can be input as a positive angle or a negative angle.

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The straight line is inclined to a negative angle as shown below:

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v operation

1 cropping

1.1 Select the crop button to select the part that needs to be cropped

1.2 Enter tr to enter 2 times to select the part that needs to be cropped

The 1.1 and 1.2 crops will cut off the two sides and intersect the extra part as shown in the red part of the figure (also the selected part of the crop):

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1.3 0 angle fillet cutting

Select the fillet button or press f to enter -> r Enter -> 0 Enter to select the 2 sides that need to be cropped as shown below: the blue part is the selected part of the red part is the cropped part:

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1.4 area bool operation clipping (this part is explained in the bool operation)

2 rounded corners

Select the fillet button or type f Enter -> r Enter -> Enter the angle that needs rounded corners. Enter the two sides that need rounded corners.

2.2

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Round the whole corner of the above picture into a rounded corner of r2

1 Use the polyline to form a whole

2 Select the fillet command. If you want to modify the radius, first select the R input radius and press Enter.

Then select p (polyline) to select the object that needs rounded corners.



2.3 0 Rounded corners can connect 2 unconnected large straight lines together to input f Enter Enter r Enter input 0 Enter to select 2 Cut straight lines Enter the two straight lines for a long time





3 copy

Check the copy button or enter copy to select the object to be copied to specify the moving center point.

4 mobile

Select the Move button or enter move to select the object you want to move to specify the moving center point.

5 rotation

Select Rotate or enter rotate to enter the object you want to rotate. Enter to select the rotation point. Enter the angle.

6 mirroring

1 Select Mirror or enter mirror Enter to select the object to be mirrored. Select the first point of the image to enter, select the mirror point, point 2, enter and then press Enter. The object will be linearly symmetrical according to the selected 2 points.





7 interrupted

Select Interrupt or enter br Enter to select the line segment that needs to be interrupted.

8 array

8.1 Rectangular array

Select the Rectangle Array button to select the object you want to array and press Enter.

Select the rectangular array and double click the left mouse button to pop up the rectangular array setting box.

Columns represent column number column spacing (representing the midpoint of the first item from the first column to the midpoint of the first item in column 2) as shown below: red is the column spacing

Line Indicates the number of lines. The line spacing (representing the midpoint of the first item from the first line to the midpoint of the first item of the second line) is as follows: Cyan is the line spacing:

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Column spacing or line spacing is a positive number: move to the right (column) and move up (row)

Column spacing or line spacing is negative: move to left (column) and down (row)

8.2 circular array

Select the Circular Array button to select the object that requires the array to select the center of the array.

8.2.1 Item Refers to the number of filled elements in the refill angle

8.2.2 Angle between projects: refers to the angle of each project

8.2.3 Filling angle: the sum of the angles of all the items is the angle of the entire round positive column

As shown below:

The red color is marked as the angle between the items. The circle composed of the project items is the fill angle:

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9 polyline

9.1 Right click on the toolbar and select Modify 2 Modify 2 has edit multi-line function

9.2 Example Draw a few consecutive segments in the workspace

9.3 If you want to merge these lines into one

Select the polyline editing function or enter pe Enter to select any one of the polylines to indicate whether to convert to polyline (default is YES) Enter input or select J (merge) and then select all segments to enter to integrate multiple segments For an image



10 area

10.1 The role of the area is to turn the wireframe into a face or to turn the wireframe into a solid image (with color fill)

10.2

Select View -> Visual Style -> Real Lower Left Corner Coordinates will be displayed in color (is a shading mode). In the Select Area, the Enter Object Select object will become a white surface. If no real selection is made, it will be seen. Any effect if you want to change from shading mode back to view -> visual style -> 2D wireframe

10.3

For example, use a straight line command to draw a polygon. Select each edge as a single line segment. If you want to make a region, select the region to select the object you want to make the region. Then the object will be made into a whole.

The situation where the area cannot be made is as follows:

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11bool operation

Right-click on the toolbar and select Entity Edit (including the union difference set) to make the object into a region before using the bool operation.

11.1 Union: Simultaneously select the objects to be merged and their public intersecting regions are cut off to preserve disjoint regions.

11.2 Intersection: At the same time, select the objects to be intersected, and the disjoint areas are cut off to preserve the intersecting areas.

11.3 Difference Set: First select the object to be retained. Enter the system prompt. Select the object to be subtracted. Enter the part that intersects the object to be cropped (including the cropped object but does not contain the intersection with the non-cropped object).



12 area calculation

1 Enter area Enter to select o (object) Enter to select the object to be calculated



13 object decomposition

Select decomposition button China Hardware Business Network Then select the object that needs to be decomposed. The object that can be decomposed by the carriage return: any object such as a rectangular face polyline array, etc.



14 delete

Select the delete button or enter eraser to enter the object you want to delete.

15 Select an object

15.1 Press and hold the mouse to build the left-to-right drag to the solid-line frame. The solid-line frame must be selected in the object frame to be selected successfully.

15.2 Press and hold the mouse right to drag from right to left as a dashed box. As long as an object has a part containing the re-line box, you can select it.

Mouse built

1 Hold down the mouse to build the workspace

2 Rolling the mouse on an object can zoom in and out in the mouse range

3 Double-click on the mouse to display all objects in a screen as shown below:

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