Reconstruction of CNC Machining Teaching System from the Perspective of Industry Education Integration Course Design and Practical Ability Improvement Guided by Real Production Tasks in Enterprises

Abstract

Current CNC machining teaching in vocational colleges often faces a “learning-doing separation” problem: curriculum content is disconnected from real enterprise production tasks, and students have difficulty completing process design, machining operation, and quality inspection for complex parts. To solve this problem, this study reconstructs a CNC machining teaching system from the perspective of industry-education integration. First, typical enterprise production tasks are extracted and decomposed into modular teaching projects in cooperation with key manufacturing enterprises. Second, a progressive curriculum system of “basic skills-specialized training-comprehensive production” is developed to form a full-chain teaching process. Third, a dual-mentor mechanism and workshop-based management mode are introduced. Finally, a competency evaluation system is constructed using product qualification rate, process specification execution, time completion, and teamwork performance. Experimental results show that the experimental group achieves a first-pass yield of 94.5%, 18.3 percentage points higher than the control group. The job adaptation period is reduced by 9 days, and the conversion rate of process improvement suggestions reaches 76.5%, verifying the practical value of the reconstructed system.