BS 1726-1:1987
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Coil springs. Guide for the design of helical compression springs
Hardcopy , PDF
25-09-2002
BS 1726-1:2002
BS EN 13906-1:2013
BS 8726-1:2002
BS EN 13906-1:2002
English
29-05-1987
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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Superseded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 |
| BS 6759-3:1984 | Safety valves Specification for safety valves for process fluids |
| 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 |
| BS 1892-2.10:1990 | Gymnasium equipment. Particular requirements Specification for safety requirements for mats, mattresses and landing areas |
| 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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