European laws and dire
Because there are many ways to safeguard a machine控制工程网版权所有, a risk assessment should be performed first. This will identify the potential for injury at a machine控制工程网版权所有, or the process of interacting with the equipment. Performing a risk assessment is particularly important, considering that complete isolation between a hazard and an operator is often not practicalwww.cechina.cn, especially in instances where increased productivity is used to save money and/or increase revenue.
The older and more common techniques of using hard guarding require special procedures when entering a hazardous area. Although hard guarding provides a good visual indication of the location of the hazardCONTROL ENGINEERING China版权所有, many processes require frequent interaction at or near the hazardous motion and, therefore, do not make hard guarding practical.
How safety laser scanners work
Safety laser scanners operate on the principle of time-of-flight measurement