Mechanical Engineering - Production Engineering - Discussion
Discussion Forum : Production Engineering - Section 1 (Q.No. 32)
32.
Which of the following statement is wrong about ultra-sonic machining?
Discussion:
14 comments Page 1 of 2.
Paul said:
7 years ago
Surface finish is poor too.
Smooth for soft material. But for hard the surface finish is poor.
Smooth for soft material. But for hard the surface finish is poor.
(1)
Mayur said:
5 years ago
Answer C is right.
MRR= ECM>EDM>USM>EBM>LSM.
MRR= ECM>EDM>USM>EBM>LSM.
(1)
Maxi said:
1 decade ago
Ultrasonic machining is a slow process so it can't remove large amount of materials. Now a days piezo crystals are used in ultrasonic machining.
Vinay sharma said:
1 decade ago
Machining process always removed less material.
Arvind said:
1 decade ago
Ultrasonic machining is used for hard and brittle materials.
Kareem said:
1 decade ago
The mechanism of material removal in usm is brittle fracture. Tool material should be soft. Material removal depends of flow rate of abrasive particles, size of abrasive. And material removal rate is maximum in edm and less in ebm.
Rockyad said:
1 decade ago
Ultrasonic machining is used for brittle materials especially glasses are cut by this method.
Yopgendra said:
1 decade ago
The tool never contacts the work piece and as a result the grinding pressure is rarely more than 2 pounds, which makes this operation perfect for machining extremely hard and brittle materials, such as glass, sapphire, ruby, diamond, and ceramics.
Sam said:
1 decade ago
Answer should be A. Material removal is more as compared to other non-conventional machining like LBM and EBM etc
Pavan said:
9 years ago
Yes, I too think the answer should be A.
Post your comments here:
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers