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ABRASIVE SHOT BLASTING

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REMOVAL OF UNPURE LAYER USING ABRASIVE SHORT BLASTING

Veröffentlicht in: Ingenieurwesen
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ABRASIVE SHOT BLASTING

  1. 1. DEPARTMENT OF MECHANICAL ENGINEERING Project on- ‘REMOVAL OF UNPURE LAYER BY ABRASIVE SHOT BLASTING’ Presented By- Bhavsar Yogesh G. Patil Rajesh S. Samudre Shekhar M. Waghmare Pravin P. Guided By Prof S.R.Chaudhari
  2. 2. Introduction  Shot Blasting is a surface treatment process using high stream of abrasive material.  Mechanical force is used to propel blast media such as sand, sponge or glass beads at the surface to be cleaned to remove contaminants such as paint ,rust, corrosive layer etc.  Can be performed in closed environments like blasting chambers or cabinets, or on open sites such as buildings, bridges, tanks, boats or mobile plant.
  3. 3. LITERATURE REVIEW- TITLE OF PAPER AUTHOR NAME YEAR CONCLUSION REVIEW ON SHOT BLASTING PROCESS MITUL MALII 2014 SPACE IS REQUIRED BETWEEN TWO FLIGHTS DUE TO ARRANGEMENT OF ROLLING CONVEYOR FOR TUMBLING THE COMPONENTS. BECAUSE OF THE SPACE COMPONENTS WITH THIN SECTION MAY TRAP BETWEEN TWO CONSECUTIVE PLATES. METHODOLOGY OF TESTING SHOT BLASTING MACHINES IN INDUSTRIAL CONDITIONS R.WRONA A et all 2012 VARIETY OF PROCESS IMPLIES EFFECTIVE USE OF SHOT BLASTING PROCESS IN INDUSTRIES THE RESEARCH OF QUATERNITY OF DRILLING- BLASTING-FRACTURING- EXTRACTING TECHNOLOGY ZHOU CHAOA et al 2011 DRILLING-BLASTING FRACTURING- EXTRACTING INTEGRATION TECHNOLOGY IMPROVES GAS DRAINAGE VOLUME AND SPEED OF CONSTRUCTION THAT WILL BECOME A MATURE AND EFFECTIVE TECHNOLOGY. INVESTIGATIONS ON THE MACHINE PARTS TREATMENT T.O. Stefanovyc 2011 THE OPERATIONS OF FORCIBLY PROPELLING A STEAM OF
  4. 4. Components Shot blasting systems are comprised of 6 basic subsystems: 1. Abrasive powder delivery method(Hopper): By Compressed Air & Gravity 2. P U Pipes & Nozzles 3. Blast Cabinet 4.Motor Mechanism for holding job 5.Dust collector & Blower 6. Part movement and support system.
  5. 5. Working • The process involves using high pressure to blast fine bits of abrasive material onto the surface. • It is a surface treatment process which involves projecting beads on the work piece to change its surface state.
  6. 6. Advantages  Low Energy Demands  High Quality Of Treated Surfaces  Good Potentials For Process Automation For Cleaning Surfaces Such As Steel, Bricks, Cement And Concrete  Obtain Excellent Cleaning And Surface Preparation For Secondary Finishing Operations  Removal of corrosion on metals in industrial processes.
  7. 7. Applications  Cleaning a surface by removing unwanted rust, scale, paint, etc.  Change metallurgical properties or stress relieve a part by the peening action of multiple impactions.  Mechanical cleaning of iron, steel, non-cast parts, forgings, sheets, rods, coils, wire, etc.  Produce a desired matte or decorative finish.
  8. 8. Factors Affecting The Shot Blasting Process  Initial condition of the component – material and contamination  Velocity of abrasive  Size (and shape) of abrasive  Hardness of abrasive  Revolving speed of work piece
  9. 9. Safety & Precautions  Use a less-toxic abrasive material  Use exhaust ventilation systems in containment structures to capture dust  Use perfectly isolated blast rooms or blast cabinets  Implementation of Personal Protective Equipment
  10. 10. Activity plan MONTHS JULY 2015 AUG 2015 SEPT 2015 OCT 2015 NOV 2015 DEC 2016 JAN 2016 FEB 2016 MAR 2016 APR 2016 ACTIVITY Selction of topic Literature collection Preparation of literature review Material procurement Fabrication Report preparation Report submission

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