CAD user manual - Finn-Power International, Inc.

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4 CAD EXERCISES The last few sections explain all of the features within NC Express’ CAD system. Within the following section you will be able to put the features to use by following through three different exercises. The parts within these exercises range from easy to difficult when it comes to drawing capabilities. Following the steps will help you get comfortable with the functions, snap points and drawing capabilities within NC Express CAD system. 4.1 Exercise 1 The first exercise will primarily show the application of simple geometry. The majority of the exercise will be based upon copying, moving and applying equations within the Evaluator. Start by setting the origin at Absolute 0, 0 for this part. STEP 1: Choose Circles STEP 2: Choose Circle Centre Diameter STEP 3: Choose Absolute from the Snap Menu (or type A on the keyboard). This will bring up the Absolute Coordinates dialog. STEP 4: Enter X-0, Y-0 and click OK. This will bring up the Evaluator asking for the diameter. STEP 5: Enter 400 and then click OK. 26
STEP 6: Chose Absolute again from the Snap Menu (or click A on the keyboard) and set X-0, Y-0 for the coordinates, then click OK. STEP 7: Set the diameter to 8.5. Zoom all to show the circles. The next steps will add a rectangle within the circle geometry that will be used to copy around the inside of the round part. STEP 8: Choose Rectangles STEP 9: Choose Rectangle Centre Height Width STEP 10: Choose Absolute from the Snap menu (or click A on keyboard). Leave X = 0 Click on the Evaluator for Y. (The Evaluator will be used to calculate the centre for the Y value) Enter the equation: 103 + 54 / 2 Click “=” to find the value for the equation. Click OK and then OK for the Absolute Coordinates dialog. This brings up the Height and Width dialog, enter width 25.2 and height 54 and then click OK. 27
Page 1 and 2: Finn-Power International 710 Reming
Page 3 and 4: INTRODUCTION ______________________
Page 5 and 6: 1 GETTING AROUND It is obvious the
Page 7 and 8: Delete Construction Lines Construct
Page 9 and 10: 2 CAD FUNCTIONS As described earlie
Page 11 and 12: Arc Point Radius Subangle- Arc Spec
Page 13 and 14: Rectangular Notch- Input width and
Page 15 and 16: 2.8 Copy When using the Copy functi
Page 17 and 18: 2.10 Modify Commands Undo- Undo the
Page 19 and 20: HOW TO USE- Select Line 2 Point, fo
Page 21 and 22: TANGENT- Used to draw geometry tang
Page 23 and 24: 270°) throughout the circular shap
Page 25: part. Although there are many diffe
Page 29 and 30: Now create a second rectangle in th
Page 31 and 32: 4.2 Exercise 2 We will start with t
Page 33 and 34: The next steps will add two rectang
Page 35 and 36: The next steps will add obround slo
Page 37 and 38: on the toolbar to allow selection o
Page 39 and 40: There are two operations left to ap
Page 41 and 42: 4.3 Exercise 3 For this part the 0,
Page 43 and 44: STEP 13: Choose End Point from the
Page 45 and 46: STEP 25: NC Express will now ask fo
Page 47 and 48: This means that we can draw more th
Page 49: 5 Appendix Below is a shortcut key

CAD user manual - Finn-Power International, Inc.

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