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WEIGHT WEIGHT OPTIMIZATION OF OPTIMIZATION OF PULL HANDLEPULL HANDLE

By Shanti Metal Technology

ObjectivesObjectivesTo optimize weight of the pull

handle and verify the maximum deformation and stress occurred in design model.

Actual ModelActual Model

CAD Model at Initial. Pull Handle made by Brass material and having 286 gms weight.

Meshed Model of Initial Meshed Model of Initial DesignDesign

Type of Elements: 3D Tetra with 10- nodedTotal no of elements: 67526

Total no of nodes: 118375

Applied Loading Conditions Applied Loading Conditions for Initial Design for Initial Design

• 3 Kg of load is applied represented with blue color.• Translation and Rotation in X,Y & Z directions were fixed represented

in red color.• Translation in Y direction was fixed represented in pink color.

Deformation plot for Initial Deformation plot for Initial DesignDesign

Maximum Deformation of 0.0354 mm occurred.

Stress plot for Initial Stress plot for Initial DesignDesign

Maximum Stress of 8.895 MPa Occurred

Proposed Optimized Proposed Optimized Design-1Design-1

• Reduced the width of the Door Leg• Moved the hole and removed material near holes and backside

of handle• Optimized mass 196 gms.

Deformation plot for Deformation plot for Proposed Design-1Proposed Design-1

Maximum Deformation of 0.0706 mm occurred.

Stress plot for Proposed Stress plot for Proposed Design-1Design-1

Maximum Stress of 30.10 MPa Occurred

Proposed Optimized Proposed Optimized Design-2Design-2

• Reduced the width of the Door Leg• Moved the hole and removed material near holes and backside of

handle.• Removed the materials at the center as shown in above picture• Optimized mass 176 gms.

Deformation plot for Deformation plot for Proposed Design-2Proposed Design-2

Maximum Deformation of 0.0791 mm occurred.

Stress plot for Proposed Stress plot for Proposed Design-2Design-2

Maximum Stress of 19.42 MPa Occurred

Proposed Optimized Proposed Optimized Design-3Design-3

• Reduced the width of the Door Leg• Moved the hole and removed material near holes and

backside of handle.• Removed the materials at the center as shown in above

picture• Optimized mass 162 gms.

Deformation plot for Deformation plot for Proposed Design-2Proposed Design-2

Maximum Deformation of 0.0776 mm occurred.

Stress plot for Proposed Stress plot for Proposed Design-3Design-3

Maximum Stress of 20.75 MPa Occurred

Proposed Optimized Proposed Optimized Design-4Design-4

• Reduced the width of the Door Leg• Moved the hole and removed material near holes and

backside of handle.• Removed the materials at the center as shown in above

picture• Optimized mass 158 gms.

Proposed Optimized Proposed Optimized Design-4Design-4

Maximum Deformation of 0.0828 mm occurred.

Stress plot for Proposed Stress plot for Proposed Design-4Design-4

Maximum Stress of 19.27 MPa Occurred

SummarySummary

Design variables Material Mass

(gms)

Deformation

(mm)Stress (Mpa)

Initial Design Brass 286 0.0354 8.895

Proposed Design-1 Brass 196 0.0706 30.1

Proposed Design-2 Brass 176 0.0791 19.42

Proposed Design-3 Brass 162 0.0776 20.75

Proposed Design-4 Brass 158 0.0828 19.27

THANK YOUTHANK YOUMr. Jayesh Hirpara