Techniques for Standardizing Mould Preparation Practices in Local Metal Casting Operations in Kano State, Nigeria

Abstract

This study investigated techniques for standardizing mould preparation practices in local metal casting operations in Kano State, Nigeria. Two research questions and two hypotheses guided this study. The study adopted descriptive survey research design. The population for the study was 1551 respondents, comprising of 1500 Foundry artisans, 35 Metalwork Technology Industrial Personnel and 16 Metalwork Technology Lecturers. Out of the 1500 artisans, 316 was sampled using Taro Yamane formula. Therefore, a total of 367 respondents were used for the study. Out of the 367 questionnaire administered, only 351 was returned making a percentage instrument return rate of 95 percent. The instrument for data collection was a 36 items questionnaire. Three lecturers validated the questionnaire and the Cronbach’s Alpha reliability index of the questionnaire was 0.92. Mean and Standard deviation was use to answer the research questions while one way Analysis of Variance (ANOVA) was use to test the null hypotheses at 0.05 level of significance. Findings revealed among others that the techniques for standardizing mould preparation practices are: use of Computer Aided Design in pattern construction, use of simulation software to predict properties of cast product as well as use of electronic digital moulding equipment while the techniques for standardizing safety precautions in mould preparation practices are : strict adherence to safe operating procedures during mould preparation activities, regularly inspecting foundry workers at each stage of mould preparation as well as using the appropriate mould preparation tool for specific task. Recommendation was made to create awareness of the various techniques that are used for standardization and the need to encourage the stakeholders to adhere strictly to these techniques to enhance quality and safe work practice in mould preparation in Kano State, Nigeria.