BS EN 869:2006 pdf free.Safety of machinery—Safety requirements forpressure metal diecasting units.
BS EN 869 This standard deals with all significant hazards，hazardous situations and events relevant to pressurediecasting machines when used as intended and under conditions of misuse which are reasonablyforeseeable by the manufacturer (see Clause 4). t provides the requirements to be met by the manufacturerto ensure the safety of persons and property during transport, commissioning, use, de-commissioning andmaintenance periods, as well as in the event of foreseeable failures or malfunctions that can occur in theequipment.
This document is not applicable to pressure metal diecasting units/machinery which are manufactured beforethe date of its publication as EN.
The following referenced documents are indispensable for the application of this document.For datedreferences，only the edition cited applies. For undated references,，the latest edition of the referenceddocument (including any amendments) applies.
EN 294:1992,Safety of machinery— Safety distance to prevent danger zones being reached by the upperlimbs.
Guards and protective devices shall be designed according to EN ISO 12100 parts 1 and 2 and EN 953.Thesafety distances shall be in accordance wih Table 2 and Table 4 of EN 294:1992，EN 349 and EN 999.Guards and protective devices shall be designed so that they do not themselves cause hazards.
lf a guard is power operated it shall not create a trap. Either the power provided shall be insufficient to causeinjury in the event of trapping,or the guards shall be provided according to EN 1760-2 with a trip device at itsleading edge to prevent injury. Actuation of the trip device shall stop or reverse the direction of movement ofthe movable guard.The trip device shall comply with at least category 1 of EN 954-1:1996.
Access from front and back of the machine to the die area, shall be prevented by movable guardsand, if necessary, with supplementary fixed guards in order to avoid injuries caused by movements,e. g., ofthe die, the core pullers and die sprayers (see Figure A.8).Persons shall be prevented from staying betweenthe guard and the machine frame when the guards are closed.
Suitable measures are (see Figure A.8):
reduction of the distance between movable guards and the machine frame to max. 100 mm. The protective effect shall be achieved by the shape of the lower part of the guard itself over the whole lengthof the guard (see ltem 1 in Figure A.8)or by shaping the front edge of the guard so that during openingand closing never the distance of 100 mm is exceeded;
movable guards and supplementary protective devices which shall protect the area between the guardand the machine frame against persons getting behind the guard, if the distance between the guards andthe machine frame exceeds 100 mm (see left-hand side of Figure A.8).
The supplementary protective device which protects persons getting behind the guard could be,e. g, atype 4 electro-sensitive protective device according to EN 61496-1 or an electromechanical or hydraulic-mechanical trip device with self-monitoring according to category 4 of EN 954-1:1996.
lf electro-sensitive protective devices are used as a supplementary protective device they shall bedesigned and arranged so that
1) the devices shall be operational as long as the diecasting machine is operational;
2) the devices shall not act as control devices with a start function.BS EN 869 pdf download.