11. 공작기계의 몸체(body)에 관한 설명 중 틀린 것은?①

11. 공작기계의 몸체(body)에 관한 설명 중 틀린 것은?① 진동을 흡수할 수 있는 구조여야 한다. ② 외력에 견딜 수 있는 강성이 있어야 된다. ③ 응력변형을 방지하기 위해 전체 담금질(quenching)을 한다. ④ 몸체의 재료는 주로 인장강도가 높은 고급 주철을 사용한다.

Results (English) 1:

11. Description of wrong about the body (body) of the machine tool is?
① shall be constructed to absorb vibrations. ② must be rigid to withstand an external force. ③ provided that the total quenching (quenching) to prevent straining. ④ material of the body is mainly used for high tensile strength of cast iron is high.

Results (English) 2:

11. What is wrong with the description of the body of the machine tool?
(1) It should be a structure capable of absorbing vibrations. (2) It must be rigid to withstand external forces. (3) the entire quenching (quenching) to prevent stress strain. The material of the body mainly uses high-quality cast iron with high tensile strength.

Results (English) 3:

Eleven What's wrong with the body description of the machine tool?
It should be a vibration absorbing structure. ② Have the strength of endurance. ③ In order to prevent strain, the whole quenching is carried out. ④ The body material mainly uses high-grade cast iron with high seal strength.