SNV SN EN 12629-6+A1 PDF

This part of EN 12629, taken together with EN 12629-1:2000+A1:2010, applies to stationary and mobile equipment for the manufacture of precast reinforced products as defined in Clause 3 and applies to these machines also when used for the manufacture of non-reinforced moulded products.

EN 12629-1:2000+A1:2010 specifies general requirements applicable to machines for the manufacture of constructional products from concrete and calcium–silicate.

This document specifies the additional requirements to and/or the deviations from EN 12629-1:2000+A1:2010 specific to the machines it covers.

This document applies to the modules comprising production machines (with or without turnover demoulding) for the manufacturing of reinforced moulded products as shown below and illustrated in informative Annexes A and B.

NOTE This machinery can consist of three modules and they are generally designed to obtain a large moulding capacity (middle length of the products from 3 to 4 meters), with a limit height of demoulding of 1 m and a maximum width of 1,50 m.

Module A: Manufacturing machines by vibration or compression and floating, with or without turnover.

Module B: Stocking/hardening unit.

Module C: Assembly for palletising/packaging of the concrete products. This module also permits the inspection of the products.

These machines are designed to perform the following cyclic operations:

— manufacturing by vibration and even compression (oiling, mould feeding – concrete + reinforcement –, vibration, floating, interlocking, turnover, removing from mould);

— storage of moulds and pallet boards for concrete hardening;

— products destacking and packaging;

— moulds and pallet boards return to the manufacturing module.

Any of these operations may be manual, semi-automatic or automatic.

This document deals with automatic and semi-automatic operations of modules A and C and with automatic operations of module B.

There are two main types of stationary and mobile equipment for manufacture of precast reinforced products:

— equipment with instant removing from mould on pallet boards or on the floor;

— equipment with delayed removing from mould (collection of moulds: the concrete products are hardened in the mould).

This standard does not deal with the machines for:

— mixing of concrete;

— manufacturing of the reinforcing steel;

— evacuation of the products to the stockyard;

— manufacturing of products (e.g. slabs or blocks) covered by other parts of EN 12629.

Annex A shows the most common types of units as well as their variations: immediate demoulding unit and delayed demoulding unit.

This European Standard deals with all significant hazards pertinent to these machines, when they are used as intended and under conditions of misuse which are reasonably foreseeable by the manufacturer (see Clause 4). This European Standard specifies the appropriate technical measures to eliminate or reduce risks arising from the significant hazards.

This document is not applicable to stationary and mobile equipment for the manufacture of precast products, which are manufactured before the date of publication of this document by CEN.