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First, introduction of MD mechanical certification
In accordance with the provisions of the directive, a combination of components. At least some of them are for the purpose of raw material processing, handling, transportation or packaging, and they are all called [machines] when they move through appropriate actuators, controllers or circuits.
The term "machine" also includes a group of machines arranged and controlled to achieve the comprehensive functions of raw material processing, processing, transportation, packaging, etc.
In addition, some parts and components that guarantee safety in use and will endanger the safety or health of the personnel exposed to them in case of failure of the parts and components are also generalized Machines covered by this directive.
According to the provisions of the EU machinery certification order (MD), all machinery used in Europe, whether manufactured by European countries or manufactured by foreign countries and sold in Europe, must conform to the relevant European standards, and the CE mark must be pasted on the machinery body, which has indicated that the machinery conforms to the safety standards, before it can be sold and used in Europe legally.
Since January 1, 1995, the machinery and equipment sold to the member states of the European Union (EU) must be affixed with the CE mark in order to be sold legally. Otherwise, they are not allowed to enter the market. The current Machinery Directive (98 / 37 / EC, issued in the official journal of the European Union on July 23, 1998) replaces the 89 / 392 / EEC issued in 1989 and the subsequent amendments of Directive 91 / 368 / EEC, 93 / 44 / EEC, 93 / 63 / EEC.
Second, MD Machinery Directive type test standard
Type a standard (basic safety standard): give basic concepts, design principles and general conditions applicable to all machines
For example: en 292-1: basic concepts and general design principles of mechanical safety standards
Part I: basic terms and methods en 292-2: basic concepts and general design principles of mechanical safety standards
Part II: technical principles and instructions
EN 1050: safety of machinery - Principles of hazard assessment
Type B standard (group safety standard): handle a safety situation or a related safety facility, which can be widely used in a variety of machinery
★ B1 Standard: for specific safety conditions (such as safety distance, surface temperature, noise)
For example: en 294: safety of machinery - safety distance to prevent upper limb from reaching dangerous area
EN 811: safety of machinery - safety distance to prevent lower limbs from reaching dangerous areas
★ type B2 Standard: for relevant safety facilities (such as: two hand control, interlock device, pressure sensing device, shield)
EN 1088: safety of machinery - interlocks with or without guards - General principles and provisions for design
EN 953: safety of machinery - General specification for the design and construction of enclosures (fixed / movable)
Type C standard (machine safety standard): give specific machines or groups of machines detailed safety requirements
For example: en 201: Safety requirements for plastic / rubber injection molding machines
EN 692: Safety requirements for mechanical presses
EN 693: Safety requirements for hydraulic presses
EN 860: Safety requirements for single face planers
EN 869: Safety requirements for metal casting machines
EN 982: Safety requirements for oil pressure system
EN 983: Safety requirements for air pressure systems
EN 1493: Safety requirements for vehicle lifting platform
EN 12415: Safety requirements for small lathes
EN 12417: Safety requirements for integrated processing machines
EN 12478: Safety requirements for large lathes
EN 12717: Safety requirements for drilling machines
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