d; Lugs protruding
- The convex lugs used to screw or
latch to assemble the details together
- thickness of less than 75% should throw thickness reaches lugs, note the thickness reaches the lug exceeds 50%, easily lead to the dimples on the surface because of increased stress concentration.
- Radius outside the transition should reach 25% of the thickness of the lug or at least equal to 0.4mm
to reduce stress
- the taper angle on the side in addition to 0.5˚ and the smallest is the smallest angle in the cone so as to ensure the drainage 0.25˚ mold
- for more durable, the lugs protruding away from the reach of products, designed to add stiffening ribs
- for products not being the dent at the foot knob we need to create a concave round knob at the base to avoid the concentration of material.
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