BS SP 65-1955 Specification for aluminium alloy taper pins for aeronautical purposes《航空用铝合金锥形销规范》.pdf

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1、BRITISH STANDARD BS SP 65:1955 Incorporating Amendment No. 1 Specification for Aluminium alloy taper pins for aeronautical purposesBSSP 65:1955 This British Standard, having been approved by the Aircraft Industry Standards Committee and endorsed by the Chairman ofthe Engineering Divisional Council,

2、was published under theauthority of the General Council of the Institution on 4 August 1955 BSI 02-2000 The following BSI references relate to the work on this standard: Committee reference ACE/14 Draft for comment CT (ACE) 9350 ISBN 0 580 344274 A British Standard does not purport to include all th

3、e necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii,

4、 page 1 and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover. Amendments issued since publication Amd. No. Date of issue Comments 4142 April 1984 Indicated by a sideline

5、 in the marginBSSP 65:1955 BSI 02-2000 i Contents Page 1 Scope 1 2 Material 1 3 Dimensions 1 4 Finish 1 5 Protective treatment 1 6 Identification 1 Figure 1 Solid taper pin 1 Figure 2 Alternative form of pin with conical end at the option of the manufacturer 1 Table 1 Dimensions and part references

6、1ii blankBSSP 65:1955 BSI 02-2000 1 1 Scope This British Standard specifies the material, dimensions and finish of aluminium alloy solid taper pins for aeronautical purposes. 2 Material The pins shall be manufactured from material complying with the requirements of BS L 168 1) . 3 Dimensions The pin

7、s shall conform to the dimensions and limits specified in Table 1 after protective treatment. The nominal size of the pin is the nominal fractional diameter at the small end. The large end of the pins shall be domed in shape, or, at the option of the manufacturer, may be in the form of a cone as sho

8、wn in Figure 2. The small end of the pins shall be machined but may be of any suitable form, at the option of the manufacturer. 4 Finish The pins shall have a smooth machined or ground finish and shall be free from defects. 5 Protective treatment The pins shall be anodized in accordance with DEF151.

9、 6 Identification a) The pins shall be dyed blue by an approved process. b) The pins shall be identified for ordering by the number of this British Standard, together with the appropriate part reference shown in Table 1, e.g. a 1 / 8 1 1 / 2in. pin is BS SP65H.12. Table 1 Dimensions and part referen

10、ces 1) Latest issue. Figure 1 Solid taper pin Figure 2 Alternative form of pin with conical end at the option of the manufacturer Taper . . . . 1 in 48 ( 1 / 4 in. per foot) on diameter. Tolerance on taper . . 0.0005 in. per inch. Tolerance on length B . . Up to and including 2 in. 0.015 in. Above 2

11、 in. up to and including 4 in. 0.04 in. Diameter at small end A in inches Standard length B, in inches and part reference nom. max. min. 1 / 2 3 / 4 1 1 1 / 4 1 1 / 2 1 3 / 4 2 2 1 / 2 3 4 1 / 16 0.0635 0.0615 E4 E6 E8 E10 E12 3 / 32 0.0948 0.0928 G4 G6 G8 G10 G12 G14 G16 1 / 8 0.1260 0.1240 H4 H6 H

12、8 H10 H12 H14 H16 H20 5 / 32 0.1572 0.1552 K6 K8 K10 K12 K14 K16 K20 K24 3 / 16 0.1885 0.1865 L6 L8 L10 L12 L14 L16 L20 L24 L32 1 / 4 0.2520 0.2480 N6 N8 N10 N12 N14 N16 N20 N24 N32 5 / 16 0.3145 0.3105 P14 P16 P20 P24 P32 3 / 8 0.3770 0.3730 R16 R20 R24 R32BS SP 65:1955 BSI 389 Chiswick High Road L

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