DMLS Design Guide

Minimum part outer diameter size: ∅6.0

Cooling channel size(mm)

  • [∅d] Hole

    Minimum ∅d 3.0 ~
    (∅d 1.5~/TD min. 1.5~)

  • [D] Distance

    i.5 to 2 x ∅d

  • [P] Pitch

    2-3 x ∅d(3.0~)

    Bracketed dimensions are applicable according to mold structure conditions

Cooling channel Geometry

  • Recommended geometry

  • Circle/Oval (recommended)

  • Other (Bad)

  • Rectangle/Pentagon (apply conditions)

  • Other (Bad)

Mold-In Insert Spec / Boss Design Guide
Design Guide

Molded-In Insert specifications.

T(M x Pitch) D L

M2 x 0.4

∅3.0 / ∅3.5

Optional

M3 x 0.5

∅4.5 / ∅5.0

M4 x 0.7

∅6

M5 x 0.8

∅8.0

M6 x 1.0

∅8.0

Boss Design Guide

  • TThickness of part
  • T1Boss Thickness(After Inserted)
  • LBoss Height
  • IInsert Length
  • DInsert Diameter(outer)
  • 1Boss Thickness(T1) = Applied up to 70% at maximum.(T1 = Tx0.7)
  • 2Insert Length(I) = Boss Height
  • 3A = Core Draft applied in amount of 0.5° ~ 1°
  • 4D1 = Enlarge Insert diameter(D) per side by 1mm to adapt sleeve pin

EX

Reference for Insert length selection.

  • 1With T: 3.0mm, L: 12.0mm, I: 10.0mm application
    - Thickness of the Boss is shrunk to 5.0mm.
  • 2Improvement: Adjust I(Insert Length) 10.0mm → 13.0mm to prevent sink