Extruded boss bass, Extruded cut and Appearance setting features

 

2D Drawing

Picture(1) 2D drawing

 

 

Picture(2) Top view (Base)

 

 

Picture(3) Extrusion and its material

1. a satin finish magnesium is chosen as a matterial 

2. the curve is not formed ideally, it is modified by using 3 Point Arc with a tangent relatiion

 

 

Picture(4) Additional space for extrusion

Additional space needs to be provided because the gap is generated during extrusion if it has an exact boundary on the surface.  

 

 

 

Picture(5) Fillet modification

1. The dimension of the fillet is subtly modified due to its insufficient thickness.

2. If there is enough space, a 3mm fillet is provided, following the instructions on the 2D drawing.

 

 

Picture(6) Final design

 

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Study Point

 

1. REAM meaning 

=> Ream = reamer 

Reference 

1) https://blog.naver.com/k5808151/50154342809

2) https://blog.naver.com/mtfinder/221157446948

 

2. Symbol 

=> At university, I didn’t learn that the depth and area of the hole can be demonstrated on drawing. I was provided a specific size of the bolt, so the dimensions regarding the hole always followed the table [Picture ()]. I learned that the dimensions for the hole can be provided by a designer.

 

3. Reading

 

4. l C l REQD Meaning 

=> REQD = Required
Reference:
1) https://m.blog.naver.com/dodru12/221840379136