Guard Construction | Machine Guarding

Add a Note HereMany builders of single-purpose machines provide point-of-operation and power transmission safeguards as standard equipment. However, not all machines in use have built-in safeguards provided by the manufacturer.
Add a Note HereGuards designed and installed by the builder offer two main advantages:
§  Add a Note HereThey usually conform to the design and function of the machine.
§  Add a Note HereThey can be designed to strengthen the machine in some way or to serve some additional functional purposes.
Add a Note HereUser-built guards are sometimes necessary for a variety of reasons. They have these advantages:
§  Add a Note HereThey may be the only choice for mechanical power transmission apparatus in older plants, where machinery is not powered by individual motor drives.
§  Add a Note HereThey permit options for point-of-operation safeguards when skilled personnel design and make them.
§  Add a Note HereThey can be designed and built to fit unique and even changing situations.
§  Add a Note HereThey can be installed on individual dies and feeding mechanisms.
§  Add a Note HereDesign and installation of machine safeguards by plant personnel can help to promote safety consciousness in the workplace.
Add a Note HereHowever, they also have disadvantages:
§  Add a Note HereUser-built guards may not conform well to the configuration and function of the machine.
§  Add a Note HereThere is a risk that user-built guards may be poorly designed or built.

Add a Note HereGuard material
Add a Note HereUnder many circumstances, metal is the best material for guards. Guard framework is usually made from structural shapes, pipe, bar, or rod stock. Filler material generally is expanded or perforated or solid sheet metal or wire mesh. It may be feasible to use plastic or safety glass where visibility is required.
Add a Note HereGuards made of wood generally are not recommended because of their flammability and lack of durability and strength. However, in areas where corrosive materials are present, wooden guards may be the better choice.

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