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Engineering > Mechanical systems and components

Mechanical systems and components

Mechanical systems and components Sub-categories (13)

  1. Characteristics and design of machines, apparatus, equipment
  2. Screw threads
  3. Fasteners
  4. Hinges, eyelets and other articulated joints
  5. Bearings
  6. Shafts and couplings
  7. Seals, glands
  8. Springs
  9. Housings, enclosures, other machine parts
  10. Gears
  11. Flexible drives and transmissions
  12. Rotary-reciprocating mechanisms
  13. Lubrication systems

Latest standards activities

Proposals
Drafts

BS ISO 4184

Belt drives — Classical and narrow V-belts — Lengths in datum system

Feedback closing date:

14/01/2025

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BS ISO 31657-3

ISO 31657-3 Plain bearings. Hydrodynamic plain journal bearings under steady-state conditions. Part 3: Functions for calculation of tilting pad journal bearings

Feedback closing date:

25/01/2025

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BS ISO 31657-1

ISO 31657-1 Plain bearings. Hydrodynamic plain journal bearings under steady-state conditions. Part 1: Calculation of multi-lobed and tilting pad journal bearings

Feedback closing date:

21/01/2025

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BS ISO 31657-2

ISO 31657-2 Plain bearings. Hydrodynamic plain journal bearings under steady-state conditions. Part 2: Functions for calculation of multi-lobed journal bearings

Feedback closing date:

19/01/2025

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BS ISO 31657-4

ISO 31657-4 Plain bearings. Hydrodynamic plain journal bearings under steady-state conditions. Part 4: Permissible operational parameters for calculation of multi-lobed and tilting pad journal bearings

Feedback closing date:

19/01/2025

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BS ISO 19690-2:2018/Amd 1

Disc springs — Part 2: Technical specifications - Amendment 1: Disc springs — Part 2: Technical specifications — Amendment 1

Feedback closing date:

13/01/2025

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Feedback period expiring
Published

BS EN 17976:2024

Railway applications. Bolting of rail vehicles and components

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BS ISO 4385:2024

Plain bearings. Compression testing of bearing materials

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BS ISO 4378-3:2024

Plain bearings. Terms, definitions, classification and symbols. Lubrication

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BS ISO 4378-2:2024

Plain bearings. Terms, definitions, classification and symbols. Friction and wear

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BS ISO 4378-1:2024

Plain bearings. Terms, definitions, classification and symbols. Design, bearing materials and their properties

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BS ISO 5288:2024

Synchronous belt drives. Vocabulary

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BS ISO 965-2:2024

ISO general purpose metric screw threads. Tolerances. Limits of sizes for internal and external threads (tolerance classes 6H and 6g for M1,6 to M100 and 5H and 6h for M1 to M1,4)

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BS ISO 21771-1:2024

Cylindrical involute gears and gear pairs. Concepts and geometry

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