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Manufacturing and Production: Part 8
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Gutter and flash

Ashish Futtan is teaching live on Unacademy Plus

Ashish Futtan
MTECH IIT Bombay|Quora Top Writer for GATE Mechanical 2019|Cracked IIT (ISM) Dhanbad,IIT DELHI|3 times GATE qualified| Singer|

U
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Sweta Kumari
a year ago
Good
sir doubt hai.. for hexagonal Bolt head operation required are -1) upsetting 2)edging 3) flattening .... .... ye sab.....open die upset forging hai .... options (b) ...kyu nhi liya ???
Ashish Futtan
2 months ago
Can u tell at what exact time??
  1. 1 manufacturing and production


  2. HELLO! l am ASHISH FUTTAN MTECH-IT BOMBAY TOP STAR EDUCATOR VERIFIED EDUCATOR CRACKED VARIOUS IITs 3 TIMES GATE QUALIFIED PUBLISHED MORE THAN 600 LESSONS


  3. IES 1997 Assertion (A): In drop forging besides the provision for flash, provision is also to be made in the forging die for additional space called gutter. Reason (R): The gutter helps to restrict the outward flow of metal thereby helping to fill thin ribs and bases in the upper die. (a) Both A and R are individually true and R is the correct explanation of (b) Both A and R are individually true but R is not the correct explanation of A (c) A is true but R is false (d) A is false but R is true


  4. IES-201.5 Which of the following statements apply to provision of flash gutter and flash land around the parts to be forged? 1. Small cavities are provided which are directly outside the die impression. 2. The volume of flash land and flash gutter should be about 20%-25% of the volume of forging. 3. Gutter is provided to ensure complete closing of the die. (a) 1 and 2 only (c) 1, 2 and 3 (b) 1 and 3 only (d) 2 and 3 only


  5. IES 1998 Which one of the following processes is most commonly used for the forging of bolt heads of hexagonal shape? (a) Closed die drop forging (b) Open die upset forging (c) Close die press forging (d) Open die progressive forging


  6. IES 2001 In the forging operation, fullering is done to (a) Draw out the material (b) Bend the material (c) Upset the material (d) Extruding the material


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