Step1. Create and name the model of part of INSTANCE_SHAFT2.PRT.
Step2. Create the basis feature of the part—the rotation features of the solid as shown in Figure 2, the relevant operations are as follows.
(1) Select the command of rotation feature: click
and select the command
.


(2) Select the type of rotation feature: click the icon of solid type
.

(3) Define the placement property of sketch section of rotation.
1. Click sketch icon
in the control panel, and then click icon
.


2. Set sketch plane: select FRONT datum plane as the sketch plane.
3. Set view orientation of the sketch: use default direction of the yellow arrow as view orientation of the sketch.
4. Specify the reference of the sketch plane: select RIGHT datum plane as the reference of the sketch plane.
5. Specify the orientation of reference of the sketch plane: select RIGHT datum plane as the orientation of reference of the sketch plane.
6. Complete the placement property of sketch section: click the button
in the window of the definition of the placement property of the sketch section.

(4) Create feature section: draw the feature section as shown in Figure 3 (Drawing centerline is necessary.) Complete it and click the icon
.

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