CNC(Computerized Numerical Control) 가공의 정의와 장단점에 대하여 서술하라. ... NC(Numerical Control)는 수치 제어라는 의미로, 과거에는 펀치 카드 등을 이용했던 시대도 있었습니다. ... 현재는 기계에 내장된 컴퓨터로 NC 제어를 하는 CNC(Computerized Numerical Control)가 주류이며, CNC 프레이즈를 포함해 NC 프레이즈라 불리는 경우가
Numerical modeling and scenario composition are needed to characterize the geological environment of ... Consequently, practical numerical methods could be considered for these geological engineering issues ... A case study using a numerical method for the stability analysis of an underground disposal system was
In this study, a numerical sensitivity analysis was performed to analyze the effect of rock properties ... The TOUGHFLAC simulator was applied for the numerical simulation assuming a continuum model for coupled
Numerical modeling was used to evaluate the submerging characteristics of the submersible fish cage ... The submerging characteristics calculated by numerical analysis as the cage was moved up and down were ... Thus, the numerical model proposed in this study could be very useful in analyzing various parameters
CONCLUSIONS : Based on field tests and numerical analysis, a road design plan suitable for the Southeast ... The numerical analysis results confirmed that the insertion of Geocell provides better stability compared ... assess long-term performance during road construction in Southeast Asia using Geocells, field tests and numerical
CONCLUSIONS : From the test and numerical analysis, it can be used as an eco-friendly heating material ... Based on the test results, the range of heat influence of the Heating concrete is calculated through numerical ... expensive than ordinary Portland cement, and the heating effect is verified through laboratory tests and numerical
In this paper, numerical modeling is conducted to analyze the tension of an anchor line by varying the ... In the simulation of numerical model, wave height of 3, 4, 5 and 6 m, a period of 4.4 s, and the flow ... The drag coefficient of the trapnet, the main model for numerical analysis, was obtained by a circular
A numerical strategy is proposed to investigate the oxidation mechanism of this composite. ... The numerical results demonstrated that the mechanical properties of this composite decreased by 24–32%
Its performance is evaluated by a numerical simulation and real-scale vehicle impact testMETHODS: The ... According to the result of a numerical simulation of the suggested structural system, two sets of transition ... as 1/2 and 3/4 of the transition region, respectively, according to the guide.RESULTS : Based on the numerical
In this study, a numerical approach for automotive louvered fin heat exchanger is carried out to investigate ... The numerical simulation code STAR-CCM+ is utilized to calculate flow and temperature fields with polyhedral