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UTM Machine
- 1. CECOS University Department of Mechanical Engineering Project Title Design and fabrication of small UTM Group Members: 1. Athar Ali 2. Mansoor ullah 3. Anwer saeed 4. Muhammad jasim Advisor: Dr. Naseer Ahmad Co-Advisor: Engr.Muhammad Irfan 1
- 2. CECOS University Department of Mechanical Engineering Contents: • Introduction • Fabrication details • Material used • Processes performed for fabrication • Sub assemblies • General or final assemblies • Finishing and details • Testing and commissioning • Future work • Questions 2
- 3. CECOS University Department of Mechanical Engineering Introduction: Universal testing machine has vital role in testing materials .UTM is used to perform compression and tensile test for checking materials mechanical properties .These tests play important role in engineering fields and materials selection for design purposes. 3
- 4. CECOS University Department of Mechanical Engineering . The main focus of this project is on the machine size and weight. Its weight is approximately 70 kg and size is 80cm.It will be capable of performing tensile and compressive test on soft materials like aluminum , plastic and dental materials. As normal size UTM are not available in every firm for testing due to high cost .This project will solve this problem. 4
- 5. CECOS University Department of Mechanical Engineering . Main components of this projects are: steel plates Columns Power screws Force trasducer Displacement sensor Digital indicator Gears and worm shaft Stepper motor with controller jaws 5
- 6. CECOS University Department of Mechanical Engineering Fabrication details 6
- 7. CECOS University Department of Mechanical Engineering Materials used Materials used in this project is Mild Steel. Chemical composition: 7 Element Contents Carbon , C 0.14 -0.20% Iron ,Fe 98.81-99.26% Manganese , Mn 0 .6-0.9% Phosphorous,P 0.040% Sulfur,S 0 .05%
- 8. CECOS University Department of Mechanical Engineering Mechanical properties 8 properties metric Ultimate tensile strength 440 MPa Tensile yield strength 370 mpa Modulus of elasticity 205 Gpa Bulk modulus 140Gpa Poission ratio 0.290 Density 7.87g/cc
- 9. CECOS University Department of Mechanical Engineering Specimens specification according to ASME D638 9
- 10. CECOS University Department of Mechanical Engineering Processes Performed for Fabrication 10
- 11. CECOS University Department of Mechanical Engineering Processes performed on rectangular plates • Cutting according to dimension • Finishing process performed of rough edges • Drilling/boring holes according to dimension • Internal threads • Welding on moveable plate • Grinding 11
- 12. CECOS University Department of Mechanical Engineering Drilling 12
- 13. CECOS University Department of Mechanical Engineering Internal threads 13
- 14. CECOS University Department of Mechanical Engineering Grinding 14
- 15. CECOS University Department of Mechanical Engineering Welding 15
- 16. CECOS University Department of Mechanical Engineering Processes performed on columns • Cutting according to dimension • Facing • Threading 16
- 17. CECOS University Department of Mechanical Engineering Cutting 17
- 18. CECOS University Department of Mechanical Engineering Facing 18
- 19. CECOS University Department of Mechanical Engineering Threading 19
- 20. CECOS University Department of Mechanical Engineering Processes performed on power screws • Cutting for required size • Facing • Taper turning • Threading 20
- 21. CECOS University Department of Mechanical Engineering Taper 21
- 22. CECOS University Department of Mechanical Engineering Processes performed on jaws • Cutting according to dimension • Blind hole • Internal threads • Finishing 22
- 23. CECOS University Department of Mechanical Engineering Cutting 23
- 24. CECOS University Department of Mechanical Engineering Internal threads 24
- 25. CECOS University Department of Mechanical Engineering Blind hole 25
- 26. CECOS University Department of Mechanical Engineering Subassemblies 26 Specification stepper motor Holding torque 8.4Nm Mass 3.8kg Rotor inertia 2700 kg.cm Motor lenght 115mm Numbers of leds 4 Phase 2
- 27. CECOS University Department of Mechanical Engineering Specification of driver 27 Specification stepper driver Steps Number 51200 Steps/revalotion Dimension 150*98*51mm Temperature 15 to 40 degree Motion Forward and reverse Power input 24v-55v AC
- 28. CECOS University Department of Mechanical Engineering Subassembly 28
- 29. CECOS University Department of Mechanical Engineering subassembly 29 • Digital indicator Force transducer Displacement sensor
- 30. CECOS University Department of Mechanical Engineering Subassembly 30 Plates, power screws and side column
- 31. CECOS University Department of Mechanical Engineering subassembly • Bearing and power screw • Nut on column Bottom view 31
- 32. CECOS University Department of Mechanical Engineering General or Final assemblies 32
- 33. CECOS University Department of Mechanical Engineering Assembly Top view 33
- 34. CECOS University Department of Mechanical Engineering Finishing and details 34 • Assembling subassemblies • Surface smoothing(using grinder) • Painting steel portion
- 35. CECOS University Department of Mechanical Engineering Testing and commissioning (visual aids) 35
- 36. CECOS University Department of Mechanical Engineering Future work • Calibration • Final testing • Report review 36
- 37. CECOS University Department of Mechanical Engineering References • http://www.azom.com/articale.aspx?articaleID=6115 • http://creativemachines.cornell.edu/materials • Books strength of material 4th edition by Andrew pytel and Mechanical engineering design by Joseph e shigley • www.mechanicalbuzz.com/what-is-a-lathe.html 37
- 38. CECOS University Department of Mechanical Engineering THANX 38
- 39. CECOS University Department of Mechanical Engineering Questions 39