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BS 1726-1:1987

BS 1726-1:1987

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Coil springs. Guide for the design of helical compression springs

Available format(s)

Hardcopy , PDF

Superseded date

25-09-2002

Language(s)

English

Published date

29-05-1987

Publisher

British Standards Institution

Foreword
Committees responsible
Guide
Section one. General
1. Scope
2. Definitions
3. Symbols
4. General
Section two. Compression springs made from circular
section material
5. Methods of calculation
6. Tolerances
Section three. Compression springs made from rectangular
(including square) section material
7. Limitation on material section dimensions
8. Methods of calculation
9. Tolerances
Appendices
A. Methods of specifying springs for general purposes
B. Methods of testing
C. Modules of rigidity of some materials
D. Typical tolerances on rectangular section material
Tables
1. Calculated tolerances for group A springs made from
     circular section material, with more than 3.5 and
     less than 5 total coils
2. Calculated tolerances for group B springs made
     from circular section material, with more than
     3.5 and less than 5 total coils
3. Calculated tolerances for group A springs made
     from rectangular section material, with more
     than 3.5 and less than 5 total coils
4. Calculated tolerances for group B springs made
     from rectangular section material, with more than
     3.5 and less than 5 total coils
5. Modulus of rigidity values
6. Typical tolerances on rectangular section material
Figures
1. End fixation factor H for various end conditions
2. Critical values H/(Lo/D)
3. Rectangular section: design chart for stress
4. Rectangular section: design chart for rate
5. Critical relative deflection for m = 1.0 to 2.5
6. Critical relative deflection for m = 0.4 to 1
7. Hand of coiling
8. End coil form
9. Coil end formed from tapered bar
10. Data sheet 1
11. Data sheet 2
12. Measurement of free length and parallelism
13. Measurement of squareness
14. Measurement of bow

Definitions, method of calculation and tolerances. Appendices cover methods of specifying and testing.

Committee
FME/9/3
DocumentType
Standard
Pages
32
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
Supersedes

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BS 7262:1990 Specification for automatic safe load indicators
BS 1123(1976) : AMD 5510 SAFETY VALVES, GAUGES AND FUSIBLE PLUGS FOR COMPRESSED AIR OR INERT GAS INSTALLATIONS
BS 3974-1:1974 Specification for pipe supports Pipe hangers, slider and roller type supports
BS 6283-4:1982 Safety devices for use in hot water systems Specification for drop-tight pressure reducing valves of nominal size up to and including DN 54 for supply pressures up to and including 12 bar
BS 6283-3:1982 Safety devices for use in hot water systems Specification for combined temperature and pressure relief valves for pressures up to and including 10 bar
BS 6759-1:1984 Safety valves Specification for safety valves for steam and hot water
BS 6759-2:1984 Safety valves Specification for safety valves for compressed air or inert gases
BS 6283-1:1991 Safety and control devices for use in hot water systems Specification for expansion valves for pressures up to and including 10 bar
BS 6283-3:1991 Safety and control devices for use in hot water systems Specification for combined temperature and pressure relief valves for pressures from 1 bar to 10 bar
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BS 6283-1:1982 Safety devices for use in hot water systems Specification for expansion valves for pressures up to and including 10 bar
BS 6283-4:1991 Safety and control devices for use in hot water systems Specification for drop-tight pressure reducing valves of nominal size up to and including DN 50 for supply pressures up to and including 12 bar
BS 6283-2:1982 Safety devices for use in hot water systems Specification for temperature relief valves for pressures up to and including 10 bar
BS 6283-2:1991 Safety and control devices for use in hot water systems Specifications for temperature relief valves for pressures from 1 bar to 10 bar
BS 759(1975) : LATEST

BS 5204-2:1977 Specification for straightedges Steel or granite straightedges of rectangular section
BS 308-3:1972 Engineering drawing practice. Geometrical tolerancing
BS 957-2:1969 Specification for feeler gauges Metric units
BS 957-1:1941 Specification for feeler gauges Inch units
BS 4311-1:1968 Specification for gauge blocks and accessories Gauge blocks
BS 5204-1:1975 Specification for straightedges Cast iron straightedges (bow shaped and I-section)

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