BS ISO 2020-2:1997 pdf free.Aerospace一 Preformed fl lexible steel wire rope for aircraft controls —Technical specification.
BS ISO 2020-2 1 Scope This part of ISO 2020, in conjunction with ISO 2020- 1, specifies the inspections and tests as well as acceptance and qualification conditions for preformed flexible steel wire ropes for aircraft controls.2 Normative references The following standards contain provisions which, through reference in this text, constitute provisions of this part of ISO 2020. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this part of ISO 2020 are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below. Members of IEC and ISO maintain registers of currently valid International Standards.ISO 2020-1:1997, Aerospace一Preformed flexible steel wire rope for aircraft controls一Part 1: Dimensions :and loads.ISO 2408:1985, Steel wire ropes for general purposes一Characteristics. ISO 9001:1994, Quality systems一Model for quality assurance in design, development, production,installation and servicing.ISO 9002:1994, Quality systems一Model for quality assurance in production, installation and servicing.3 General requirements Manufacture and workmanship shall be in accordance with the best practice for high quality aircraft wire ropes consistent with the requirements of this part of ISO 2020. The finished cable shall be uniform in construction and securely laid, free from kinks, loose wires, loose strands or other defects. A maximum of one broken wire is permissible on a rope length of 300 mm.Tucked joints may be in wires of diameter equal to or less than 0,2 mm. For wires of diameter greater than 0,2 mm the joints shall be made by brazing or electric welding. In the same strand, joints shall be not less than 6 m apart.All wire rope shall be examined for workmanship and finish to determine compliance. For this purpose, the wire rope shall travel no faster than 30 m/min and shall be stopped for closer inspection when necessary. This inspection shall take place at the time the wire rope is wound on shipping reels. Any discard from the head or starting end of the manufacturing reel shall be removed prior to winding of the shipping reel.BS ISO 2020-2 pdf download.