Diesel generator sets CE and CE certification of wind turbines 

 Mechanical CE Certification (2006/42/EC) 

 New Machinery Directive 2006/42/EC, the European Union will be held December 29, 2009 with effect from execution (exception: only portable cartridge with processing machinery or processing capabilities with extruded casing, can go to the June 29, 2011 was implemented) to replace the existing Machinery Directive 98/37/EC, and no buffer transition. According to official documents only after December 29, according to Directive 2006/42/EC in order to create a statement. 

 New commands have many differences, the EU exported machinery manufacturers and dealers will have greater impact. New Machinery Directive 2006/42/EC of the major changes: new Machinery Directive 2006/42/EC, Machinery Directive 98/37/EC and the old main difference is the scope of instruction, basic health and safety requirements, definitions, and conformity assessment procedures and market supervision. 

 Machinery Directive CE certification requirements for mechanical advice and 

 General mechanical hazards mainly from the following four parts: 

 1, the normal processing machinery, such as processing easy for a rebound and injured workers, the design and manufacture of processing machinery should be able to rebound against the workpiece, so as not to cause harm; 

 2, such as the processing machinery to stop running, and there is still risk exposure tool, machine tools with automatic stop device must be to ensure that the tool in a very short period of time in a stopped state; 

 3, with a tool such as the processing machinery is not fully automated equipment, the design and manufacture should be to prevent the occurrence of injuries; or circular cross-section of the cutting tool and limit its thickness, will be kept to a minimum of harm. 

 4, mechanical hazards: The main components from the movement, including movement caused by the transmission shaft and the extrusion, cut, or twisted into such danger. Recommend the use of fixed or mobile guard to prevent persons approaching the danger zone, 

 Sewing machine head should be considered in the design of a few suggestions: 

 1, the fracture process of using the needle will hurt the man who caused a rebound, and even playing to the eyes, etc., can be used to increase the needle guard or protection films to achieve. 

 2, the tip will require protection means. 

 3, belt, etc. increase the protective cover. 

 Injection molding machine should consider several points: 

 1, the components required: and security features of the control circuit in the design, selection and assembly of components to use technology is mature, that similar applications have been widely and successfully used, or in accordance with reliable security standard manufactured components, and the use of mature technology. Safety control circuit to be able to withstand the expected run strength, to withstand during operation and the impact of work related to the external media environment. Components using the technology is mature, that a similar application in the field have had extensive and successful use, or manufacture according to safety standards and reliable components, and the use of mature technology. In the design of the circuit, the work should be extremely safe and reliable components, these components can not consider the possibility of failure itself. Meanwhile, in order to avoid short circuit, to reduce the incidence of failure, to determine the type of failure, failure to accurately detect and prevent the occurrence of secondary failure, can be used such as: isolation circuit, the full carrying capacity, when the case of power failure time open, Good grounding and other measures. 

 2, machine safety stop requirements: safety protection equipment, machinery and equipment at its core is to make the dangerous actions stopped, how to stop machines from running down it is very important. Depending on the security device will be different, have different safety stop function. In normal operation the stop function, must be able to avoid the equipment, products and processes to be destroyed, while machinery and equipment to be able to prevent the re-start, which is required for the safety stop function. 

 EN60204-1 standard in the first paragraph 9.2.2, provides for three stop categories: 

 - Stop Category 0: machinery and equipment by immediately cutting off the power supply to achieve the stop, that is, stop out of control. 

 - Stop 1: a controlled stop, the supply of power machinery and equipment remained the implementing agencies, to make the equipment gradually stopped. A complete stop only when the equipment was only after the power cut off. 

 - Stop Category 2: a controlled stop, the supply of power to drive machinery and equipment has been maintained. 

 1, the right to stop category selection, machinery and equipment must be based on risk analysis carried out on the basis, which prEN954-1: 1994 standard has been provided. 

 2, all equipment must have a stop category 0 stop function. Stop Category 1 and / or 2 stop function only in the machinery and equipment safety and functional requirements can be used when necessary. 

 3, two-hand control device for use: In many high risk equipment, such as forging equipment, punching equipment, will use the hand control device. Hand control device is power-sensitive safety device, its role is when someone in the operating equipment, machinery and equipment to dangerous operation of a signal, forcing them to use both hands, which must stay in one place, so you can ensure safety. 

 4, the safe distance from the solution: A free security door lock switch, power-sensitive safety devices, safety mats and hand controller B in the machinery and equipment to achieve the security, in addition to safe and reliable protection components, but very dangerous for machinery and equipment, but also its security control circuit to make certain requirements in order to improve the level of security protection, such as: safety monitoring module 

 5, the use of safety carpet: to protect the safety of machinery and equipment, some places can not use the security fence and security gate to protect the safety of hazardous areas, such as in a number of large injection molding machines, often to the inside of the machine for maintenance and adjustment , then the need to ensure that the external can not start the machine, this case is clearly not security gates. In addition, some need and can use the security gate where, for convenience and aesthetic considerations, there may be reluctance to use the security gate. In both cases, in order to realize the danger zone of security, you can use the contact safety protection device. In this type of security devices, security is a very unique carpet, is also widely used one. 

 Mechanical evaluation of CE certification standards for safety 

 In addition to developing a variety of EU product safety directive, also issued a number of different product safety standards. Some apply to a specific product, and some apply a number of products compared to the general assessment law. 

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