SIST EN 972:2000

Tannery machines - Reciprocating roller machines - Safety requirements

This European Standard specifies safety requirements for all the phases of the life of a machine listed in 3.11 a) of EN 292-1: 1991.  Reciprocating roller machines are machines used for the processing of animal hides and skins. They have a reciprocating opening and closing motion of the feed rollers or conveyors which, if required, may also reverse their direction.  This standard covers the following reciprocating roller machines [there is a figure for each type]:  a) buffing machines   (.) b) polishing machines  (.) c) ironing machines (woolskins and fur)  (.) d) carding machines  (.) e) shearing machines (woolskins and fur)  (.) f) cylinder universal staking machines  (.) g) setting-out machines  (.) h) dewooling machines  (.) i) scudding machines  (.) j) unhairing (dehairing) machines  (.) k) sammying machines   (.) l) cylinder ironing machines  (.) m) cylinder staking machines  (.) n) fleshing machines  (.) o) demanuring machines  (.) p) wet wheeling machines  (.) q) shaving machines (feed-out)  (.) r) shaving machines (feed-in)  (.)  It takes account of intended use, foreseeable misuse, component and systems failure.  This European Standard applies to machines manufactured after its date of issue.  All the significant hazards listed in clause 4 are safeguarded by the requirements included in clause 5 except the following:  - dust, smoke and vapour emissions (see annex B);  - fire (see annex C).  For these hazards general guidelines are proposed in informative annexes. Designers and manufacturers shall verify directly that the methods adopted to reduce these hazards have been successful.