How Do You Create a Dynamic Spring in SOLIDWORKS?

Dynamic Spring in SOLIDWORKS  


Are you facing difficulties modelling a dynamic spring with compressing and decompressing states in SOLIDWORKS? Then you are in the right page. Find the simplest way in creating Dynamic Spring in SOLIDWORKS by using In-context references in the assembly. 

1)Spring Model Creation For Dynamic Spring, the spring model can be created by the following method.

 ✓ Draw a line vertically, which acts as the height of the spring (Fig 1).
✓ Exit the sketch.
✓ Create a new sketch and draw a circle profile which is parallel to the vertical line and it acts as the spring rod (Fig 2).
✓ Exit the sketch

                       Fig 1                                                Fig 2














✓ Create a spring model by using Swept Boss.
✓ Select the circle as profile and vertical line as the path in the property manager.
✓ Now, expand the options and set the categories as per the below. Profile Orientation: Follow Path Profile Twist: Specify Twist Value Twist Control: Revolutions Direction 1: No. of revolutions
✓ After entered all parameters, click OK.
✓ Now, the spring was created as shown in the image (Fig 4).
✓ Create a new reference plane on both side of the spring using the height of the spring(sketch1) as a reference. 


    Fig 3                                Fig 4 

✓ Use the tool “Cut with Surface” by using the plane to make a cut on both sides as per the image (Fig 5 & 6).
✓ It helps to easily mate with the faces of the assembly component.


Fig 5
                   Fig 6


✓ Now, Insert the spring into the assembly and place the component. 
✓ For demonstration, here we took an assembly as an example “Shock Absorber”

2) Assembly mates
✓ Open the Shock Absorber assembly and insert the spring component.
✓ Using the Coincident mate to fix the base of the spring to the Base Part of the assembly. (Fig 7)
✓ Now, expand the Spring component in the FMDT and edit the sketch inside the Sweep (Sketch 1) (Fig 8)
✓ In an Edit mode, select the top point on the sketch (sketch 1) and the edge that you want to fix with the spring.
✓ After selection, add the relation “Coincident” for the point and the edge mentioned (Fig 9)


                      Fig 7                                   Fig 8



Fig 9


✓ And, Exit the Edit mode.
✓ Now, if you move up & down the component “Base” and click “Ctrl+Q” to find that the spring moved along with the component. 
✓ Refer Fig 10 & 11

                                  Fig 10                     Fig 11


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