Abstract
In the new era of advanced manufacturing technology, machine tool design plays an important role in maximizing productivity and occupational health of industrial workers. However, the machine tool manufacturers face difficulty in designing an ergonomic machine tool that can be suited to Malaysian industrial workers because almost all machine tools were designed according to physical dimensions, capabilities and limitations of European or American populations. This mismatch between machine design and worker abilities may eventually lead to occupational injuries. Therefore, the purpose of this paper is to disseminate information on ergonomics problem, assessment methods, and control measures associated with CNC machining operation. Published articles related to CNC machining operation have been reviewed. Based on published researches, work-related musculoskeletal disorders such as low-back pain, neck and shoulder problem have been identified as common health problems associated with the machine operation. Engineering and administrative controls have been proposed to minimize the health problems.
Highlights
Nowadays, the industrial has step forward by introduced the advance manufacturing technology, including the Computer Numerical Control (CNC) machines [1, 2]
Since the CNC machines are developed by the European countries and the machines dimensions are based on European population, there is a difficulty for Asian workers to suit the machine design
There is a need to apply Asian anthropometry in the design of CNC machines so that they can work with the machine in safe working posture [3, 4]
Summary
The industrial has step forward by introduced the advance manufacturing technology, including the Computer Numerical Control (CNC) machines [1, 2]. Since the CNC machines are developed by the European countries and the machines dimensions are based on European population, there is a difficulty for Asian workers to suit the machine design. There is a need to apply Asian anthropometry in the design of CNC machines so that they can work with the machine in safe working posture [3, 4]. The improvement of machine tools design can be viewed from different perspectives such as working posture, muscles activity and oxygen consumption of the workers [5, 6]. By considering ergonomics principles in the design of CNC machines, the operators can work in safe and productive conditions [7, 8]
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