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BS EN 454:2014

BS EN 454:2014

$198.66

Food processing machinery. Planetary mixers. Safety and hygiene requirements

Published By Publication Date Number of Pages
BSI 2014 54
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1.1 This European Standard specifies safety and hygiene requirements for the design and manufacture of fixed bowl planetary mixers with a tool having a planetary movement by using two parallel axes. The capacity of the bowl is greater than or equal to 5 L 1) and less than or equal to 200 L.

These planetary mixers are used separately in the food industry and shops (catering, bakery, pizza, pastry and confectionary industry) for mixing, kneading and emulsifying/whipping food products (e.g. cocoa, flour, sugar, oils and fat, eggs, and other ingredients). These machines are fed by hand and sometimes during operation without stopping the machine.

Processing is carried out in cycles of variable duration. It can be either manually or automatically controlled, in individual cycles or on a cycle repeat basis, etc.

This European Standard deals with all significant hazards, hazardous situations and events relevant to the transport, installation, adjustment, operation, cleaning, maintenance, dismantling, disassembling and scrapping of planetary mixers, when they are used as intended and under the conditions of misuse which are reasonably foreseeable by the manufacturer(see Clause 4).

1.2 This European Standard does not deal with the following machines:

  • catering attachment for planetary mixers (see EN 12851 );

  • continuously fed machines;

  • dough mixers (see EN 453 );

  • whipping mixers which contain no parallel axes;

  • stirring machines;

  • experimental and testing machines under development by the manufacturers;

  • machines used in other industry, for example: meat industry, candy industry, pharmaceutical industry, chemical industry;

  • domestic appliances.

1.3 This European Standard is not applicable to machines which are manufactured before its date of publication as a European standard.

PDF Catalog

PDF Pages PDF Title
4 Contents Page
6 Foreword
7 Introduction
8 1 Scope
2 Normative references
9 3 Terms, definitions, description and classification
3.1 Terms and definitions
10 3.2 Description
11 Figure 1 — Main parts of a planetary mixer
3.3 Classification
4 List of significant hazards
12 Table 1
13 Figure 2 — Danger zones of a planetary mixer (with guard removed)
5 Safety and hygiene requirements and/or protective measures
5.1 General
5.2 Mechanical hazards
5.2.1 General
14 5.2.2 Zone 1 – Volume covered by the movement of the tool
5.2.2.1 Solid interlocked guard
Figure 3 — Class 1 planetary mixers with bowl extension
15 Table 2
16 Figure 4 — Safety dimensions with different types of guards
17 Figure 5 — Planetary mixer with a solid cover
Table 3
5.2.2.2 Mixers with several bowls
18 Figure 6 — Mixer with several bowls
5.2.2.3 Access to the tool
5.2.2.4 Stopping time
5.2.3 Zone 2 – Auxiliary drive hub (mechanical)
5.2.4 Zone 3 – Space between bowl lifting system and frame
19 5.2.5 Loss of stability
5.3 Electrical hazards
5.3.1 General
5.3.2 Safety requirements related to electromagnetic phenomena
5.3.3 Protection against electric shock
5.3.4 Power circuits
5.3.5 Protection against earth faults in control circuits
5.4 Motor enclosures
20 5.5 Emergency stop
5.6 Thermal hazards
5.7 Gas accumulation hazard
5.8 Noise reduction
5.9 Flour dust hazard
5.10 Hygiene requirements
21 Figure 7 — Hygiene areas (with guards removed)
5.11 Hazards generated by neglecting ergonomic principles
22 6 Verification of safety and hygiene requirements and/or measures
23 Table 4
7 Information for use
7.1 General
7.2 Instruction handbook
25 7.3 Marking
26 Annex A (normative) Noise test code for planetary mixers – Grade 2 of accuracy
A.1 Installation and mounting conditions
A.2 Operating conditions
A.3 Measurements
A.4 Emission sound pressure level determination
27 A.5 Sound power level determination
A.6 Measurement uncertainties
A.7 Information to be recorded
28 A.8 Information to be reported
A.9 Declaration and verification of noise emission values
29 Annex B (informative) Method of measuring dust
B.1 Purpose of the test
B.2 Principle of the tests
B.3 Operating conditions
30 Annex C (normative) Principles of design to ensure the cleanability of planetary mixers
C.1 Terms and definitions
C.2 Materials of construction
C.2.1 Type of materials
C.2.2 Surface conditions
31 Table C.1 — Surface condition for food area
Table C.2 — Surface condition for splash area
C.3 Design
C.3.1 Connections of internal surfaces
C.3.1.1 General
C.3.1.2 Connections of internal surfaces for food area
32 Figure C.1 — Internal surfaces for food area (rounded)
Figure C.2 — Internal surfaces for food area (welded)
33 Figure C.3 — Internal angle for food area greater than or equal to 135
34 Figure C.4 — Connections of three surfaces for food area
C.3.1.3 Connections of internal surfaces for splash area
Figure C.5 — Internal angle for splash area greater than or equal to 90
35 Figure C.6 — Internal angle for splash area between 60 and 90
Figure C.7 — Internal surfaces for splash area (welded)
C.3.1.4 Connections of internal surfaces for non-food area
C.3.2 Surface assemblies and overlaps
C.3.2.1 General
36 C.3.2.2 Surface assemblies and overlaps for food area
C.3.2.2.1 Surface assembly
Figure C.8 — Surface assemblies for food area (welded)
Figure C.9 — Surface assemblies for food area (sealed)
C.3.2.2.2 Surface overlapping
37 Figure C.10 — Surface overlapping for food area (welded)
Figure C.11 — Surface overlapping for food area (welded, exceptional)
38 Figure C.12 — Surface overlapping for food area (sealed)
C.3.2.3 Surface assemblies and overlaps for splash area
Figure C.13 — Surface assemblies for splash area (by means of a profile)
39 Figure C.14 — Surface assemblies for splash area (by flush bonding)
Figure C.15 — Surface overlapping for splash area
40 C.3.2.4 Surface assemblies and overlaps for non-food area
C.3.3 Fasteners
C.3.3.1 Fasteners for food area
C.3.3.1.1 Spot-facing
Figure C.16 — Spot-facing
C.3.3.1.2 Pin drive systems
41 C.3.3.2 Fasteners for splash area
Figure C.17 — Fasteners for splash area
C.3.3.3 Fasteners for non-food area
C.3.4 Feet, support and bases for cleaning the machines underneath
C.3.4.1 Table-top machines
42 C.3.4.2 Non-portable and non-tilting
Table C.3 – Dimensions for bases
43 Figure C.18 — Machines with feet
44 C.3.4.3 Machines on the floor
C.3.4.3.1 Fixed machines with or without a base
Figure C.19 — Machine standing on the floor
Figure C.20 — Machine with protrusion
45 Figure C.21 — Machine with a base
C.3.4.3.2 Mobile machines
46 Figure C.22 — Castors
C.3.5 Ventilation openings
C.3.5.1 Ventilation openings for non-food area
C.3.5.2 Ventilation openings for splash area
47 Figure C.23 — Ventilation openings for splash area
C.3.6 Hinges
48 Figure C.24 — Hinges
C.3.7 Control panel
C.3.7.1 Control panel in the non-food area
C.3.7.2 Control panel in the splash area
49 Figure C.25 — Control panel in the splash area with h > 8 mm
Figure C.26 — Control panel in the splash area with h ≤ 8 mm
Figure C.27 — Control panel in the splash area with a covering
50 Annex ZA (informative) Relationship between this European Standard and the Essential Requirements of EU Directive 2006/42/EC
51 Bibliography

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BS EN 454:2014
$198.66