ISO 484-1:2015
Shipbuilding — Ship screw propellers — Manufacturing tolerances — Part 1: Propellers of diameter greater than 2,50 m
ISO 484-1:2015 defines manufacturing tolerances of ship screw propellers of a diameter greater than 2,50 m.
NOTE Some deviations for the tolerance are permitted in certain cases subject to the discretion of the customer or of the designer and the customer.
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Foreword
Introduction
1 Scope
2 Normative references
3 Field of application
4 Methods for measuring pitch
4.1.1 Use of marking gauges
4.1.2 Method with a graduated ring
4.1.3 Method using coordinate measuring machine
5 Methods for measuring the thickness of the section
6 Accuracy classes
7 Tolerances on the pitch
8 Tolerances on the extreme radius of the screw propeller
9 Tolerances on the thickness of the blade section
10 Checking and tolerances of the form of blade sections
11 Tolerances on the length of the blade sections
12 Tolerances on the location of blades, reference lines, and blade contours
12.1 Marking of lines of reference
12.2 Tolerances on the contour of the leading edge
12.3 Tolerances on the angular deviation between two consecutive blades
13 Tolerances on rake, axial position, and relative axial position of consecutive blades
14 Surface finish
15 Static balancing
16 Measuring equipment
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Field of application
4 Methods for measuring pitch
4.1.1 Use of marking gauges
4.1.2 Method with a graduated ring
4.1.3 Method using coordinate measuring machine
5 Methods for measuring the thickness of the section
6 Accuracy classes
7 Tolerances on the pitch
8 Tolerances on the extreme radius of the screw propeller
9 Tolerances on the thickness of the blade section
10 Checking and tolerances of the form of blade sections
11 Tolerances on the length of the blade sections
12 Tolerances on the location of blades, reference lines, and blade contours
12.1 Marking of lines of reference
12.2 Tolerances on the contour of the leading edge
12.3 Tolerances on the angular deviation between two consecutive blades
13 Tolerances on rake, axial position, and relative axial position of consecutive blades
14 Surface finish
15 Static balancing
16 Measuring equipment
Bibliography