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The University of JordanFaculty of Engineering & TechnologyMechanical Engineering Department
Applications in Mechanical Design (0904538)Second Semester 2013/2014
Foldable WalkerBy:
AHMAD NAZIH , FARIS ALMUGHRABI , MAHMOUD ALNAQIB &MOHAMMAD ALBUGUQ
11 May 2014
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Three design steps that follow:
Step 1: Design Requirements.
Step 2: Design Specifications .
Step 3: Loads & Mechanical Analysis.
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Step 1:Design Requirements
1- Width Adjustable Which serving adults, kids and bariatric in width range (36-64)cm with input control while in use.
2- Height-adjustable To fit the appropriate length which serve patient height (110- 186) cm.
3- Sturdy To ensures maximum strength while remaining lightweight.
4- Load Capacity [180 kg]
5- Weight Does not exceed 3 kg.
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Step 2:Design Specifications
1- Width Adjustable
A frame that has width spread (36-64)cm, in 4 cm increments
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Step 2:Design Specifications
Mechanism:
Width Improver by Linear-Pull Brake mechanism
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Step 2:Design Specifications
Leg’s Length= 42cm, 1 cm increments
2- Height-Adjustable
3- Structure Aluminum alloy hollow cylinder construction
With high strength steel buttons.
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Step 2:Design Specifications
:CREOModel
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Step 2:Design Specifications
Dimensions of parts :
Store Dimensions: 74 x 45 x 36
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Step3: Loads & Mechanical Analysis
Bearing Stress:
>>dpin = 5.3 mm
Shear Stress:
>>dpin = 2.04 mm
Bending Moment:
>>by Finite Element Analysis, Abaqus Software
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Software & References 1- Mechanics of Materials James M. Gere edition 2009
2- Mechanical Engineering Design, Shigley, Ninth Edition.
3- PTC Creo Parametric 2.0 Software.
4- Abaqus CAE Software.