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Crank Bearing Sleeve Removal Through Homogeneous
Heating.
Supervisor: Col(R) Naeem
Jaan Amin
Co-Supervisor: Mr. Shahwar
Yaseen
Students:1. Aqib Javed (11-ME-019)
2. Allah Yar Khan (11-ME-016)
3. Muhammad Sohaib (11-ME-041)
4. Hassan Sajjad Ahmed (11-ME-048)
Introduction:
• What is our Project ?
Objectives:
1. To make a bearing sleeve removal system by
homogeneous heating.
2. Modeling.
3. Fabrication.
Gantt Chart.
Material Properties of sleeve (GCr15 SiMn)
Grade C Si Mn Cr Mo P S Ni Cu Ni+C
u
GCr 15 SiMn
0.95 ~1.0
5
0.45 ~0.75
0.95 ~1.2
5
1.40 ~1.6
6
≤0.1
0
≤0.0
25
≤0.0
25
≤0.
3
≤0.2
5
≤0.50
Material Properties of Crank (45 CrNi)
Calculations for Sleeve.• Formula to find the thickness of the sleeve due to heating:
Rf = R1(1+α*(T2-T1))
• R1 = Inner Radius of Sleeve. (130 mm)
• α = Thermal Expansion Coefficient of given material. (13.3E-06)