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Session 2460

Introducing CAD Instruction at High School Level - A Japanese Experience

Takayuki Sugita Sanyo High School at Hiroshima

Abstract

A drawing test and questionnaire survey on CAD (which is taken in this paper as computer-aided drafting) proficiency and training were carried out with 250 students of Mechanical Engineering program at Sanyo High School. The performace outcomes of the students were evaluated to under- stand the present status of CAD instruction and to consider the appropriate subsequent learning instruction. Based on the results of the study conducted, 50 % of the students have come to under- stand and 70 % became interested in learning CAD. Some students who at first disliked the tradi- tional manual drafting turned out to advocate CAD and CAD preference is more influenced by the traditional drafting experience rather than by keyboard skills.

1.Introduction

Towards the end of 1970 CAD has been especially prevailing as the main tool in the field of the automotive, aircraft, architecture and electricity. Presently, it is not too daring to say that CAD has considerably replaced traditional manual drafting. In light of this technological advancement, CAD systems have been gradually putting into use even in high-school level. Considering the fast tech- nological change and our future prospects, the CAD system in education has been introduced at Sanyo High School. It has been incorporated in the Mechanical Engineering course as a practical subject since April 1994. In order to practically evaluate the present status of the CAD instruction and to consider the appropriate subsequent learning instruction, CAD drawing test and question- naire survey was carried out with 250 students enrolled in the school year 1994 to 1998.

2.Students survey

Table 1 shows an adopted CAD system which com- prises a NEC PC-9821 AP2/U2, a CADPAC Sta- Hardware Supplier Type Unit tion 2 EX, and associated software. Nine units were CPU CRT(17inch) NEC NEC PC-9821AP2/U2 PC-KM172 9 9 installed, eight for students and one for the teacher. memory I O DATA AP34-4M 9 hard disk(540MB) ICM INTER-540AN 9 One group is composed of eight students, thus, one display(37inch) MITUBISHI XC-3752C 1 unit is allocated for every student. The time allot- pen plotter MUTOH XP-511(A1) 1 laser plotter MUTOH RL-503(A3) 1 ted to this subject is six-week period, two hours per week. Within twelve hours, operating proce- Hardware Supplier Type Unit CADPAC-Station2EX D A INTEGRA EDUCATIONAL 9 dures were taught and helped students to arouse MS-DOS NEC Ver.3.30 9 interest in learning CAD. A training guide was uti- lized to begin with as thought to be the most effec- Table 1 CAD System tive and efficient approach where appropriate draw-

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Sugita, T. (1999, June), Introducing Cad Instruction At High School Level A Japanese Experience Paper presented at 1999 Annual Conference, Charlotte, North Carolina. 10.18260/1-2--7781