BS ISO 19711-1:2016 pdf download – Building construction machinery and equipment — Mobile mixers — Part 1: Terminology and commercial specifications 1 Scope This International Standard specifies terms, definitions, and commercial specifications for mobile mixers used for producing and delivering concrete, mortar and those materials to worksites. It applies to mobile mixers that are either; — truck mounted; — semi-trailer mounted. It does not apply to; — fixed (stationary) mixers (see ISO 18650-1); — turbo mixers (see ISO 18650-1); — concrete or mortar mixing plants (see ISO 19720-1); — small portable mixers (see ISO 18650-1). — purpose built underground mobile mixers. 2 Normative references The following reference documents are indispensable for application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including amendment / amendments, if any) applies. ISO 1176:1990, Road vehicles — Masses — Vocabulary and codes 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 mobile mixer chassis mounted mixer device capable of producing and delivering homogeneously mixed concrete,mortar or those materials to worksites Note 1 to entry: See Annex A, Figures A.1, A.2 and A.3. 3.1.1 truck mounted mobile mixer mixer device mounted on a truck chassis Note 1 to entry: There are two different types of mobile mixers; rear discharge type which discharges material rearwards and front discharge type which discharges material forwards. 3.1.2 semi-trailer mounted mobile mixer mixer device mounted on a semi-trailer chassis 3.2 mixer device upper portion of mobile mixer (excluding the chassis) which is typically composed of a mixer drum basic frame, mixer drum drive, roller pedestal, drive pedestal, charge and discharge devices, and a control device 3.3 drum vessel for mixing, agitating and discharging concrete or mortar 3.4 drum fin spiral-shaped projection fitted inside the drum that mixes, agitates and directs the concrete and mortar out of the drum for discharge 3.5 manhole (hatch) access opening at the surface of the mixer drum which is fitted with a cover to allow the passage of authorized personnel for inspection and maintenance purposes 3.6 roller pedestal support structure for the mixer drum at its open side where charge and discharge components are fitted 3.7 drive pedestal support structure for the mixer drum at its closed side where mixer-drum drive is fitted 3.8 basic frame structure connecting the roller and the drive pedestal for...

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