In core blowing machines, the filling of core sands in core boxes is done by using compressed air.(a) True(b) FalseI have been asked this question in my homework.My doubt stems from Core Making Machines topic in division Foundry Mechanizations of Casting-Forming-Welding I

In core blowing machines, the filling of core sands in core boxes is d

1.	In core blowing machines, the filling of core sands in core boxes is done by using compressed air.(a) True(b) FalseI have been asked this question in my homework.My doubt stems from Core Making Machines topic in division Foundry Mechanizations of Casting-Forming-Welding I
Answer» Right option is (a) True To explain I WOULD say: The basic PRINCIPLE of core blowing machine constitutes of filling the core sands into the core boxes by using compressed air. The velocity of the air is kept high to GET a high velocity of core sand PARTICLES that ensures their DEPOSIT in every corner of the core box. On entering of core sand with high velocity, the shaping and ramming of core are performed simultaneously in the core box.

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In core blowing machines, the filling of core sands in core boxes is done by using compressed air.(a) True(b) FalseI have been asked this question in my homework.My doubt stems from Core Making Machines topic in division Foundry Mechanizations of Casting-Forming-Welding I

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