ISO 18388:2016 PDF

Name: ISO 18388:2016 — Technical product documentation (TPD) — Relief grooves — Types and dimensioning
SKU: ISO 18388:2016
Price: 25 EUR
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Technical product documentation (TPD) — Relief grooves — Types and dimensioning

Название (английский):

ISO 18388:2016

Technical product documentation (TPD) — Relief grooves — Types and dimensioning

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 8
Дата публикации:: 11 февраля 2016 г.
Издание:: ISO IS 18388 edition 1 version 1
ICS:: 01.100.20

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Описание (английский):

ISO 18388:2016 specifies a series of relief grooves for shafts and holes, intended for general use in mechanical engineering. It also intends to avoid unnecessary multiplicity of tools by a restricted selection of groove-types and dimensional versions. NOTE The shape and the dimensions of the relief grooves type G and H correspond with the "Indexable hard material inserts" according to ISO 6987.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

ISO 18388:2016 - Technical product documentation (TPD) - Relief grooves - Types and dimensioning defines a standardized series of relief grooves for shafts and holes used in mechanical engineering. The standard prescribes a limited selection of groove types and dimensional versions (Types E, F, G, H) to reduce unnecessary tool variety, ensure consistent machining clearances, and support clear technical drawings and assembly. Types G and H correspond in shape and dimensions to indexable hard material inserts per ISO 6987.

Key topics

Scope and purpose

Relief grooves for rotationally symmetric workpieces (shafts and holes).
Aim to avoid multiplicity of tools by restricting groove types and sizes.

Groove types and intended use

Type E: For cylindrical surfaces where planar surfaces are not highly loaded; suitable when mating parts have large counterbores or do not contact the planar surface.
Type F: For surfaces perpendicular to each other that are intended for subsequent machining.
Type G: For parts not subjected to high fatigue loads and where a small included angle is required.
Type H: For perpendicular surfaces intended for subsequent machining with a greater included angle.

Dimensioning rules

Tabulated radius (r), depth (t), widths (f, g) and preferred series (series 1 radii preferred).
Different dimensional versions for normal and alternating loads; limits for applicable workpiece diameters.
Restrictions: not applicable to short shoulders and thin-walled parts in some cases.

Countersink at counterpart

Minimum countersink dimension (a) values tied to relief groove size (r × t).

Designation and drawing presentation

Required designation format: e.g., Relief groove ISO 18388 – E 0,8×0,3.
Two presentation methods on drawings: conventional detailed representation and simplified representation (use continuous wide line type 01.2 and leader/reference lines per ISO 128-22 and ISO 128-24).

Applications and who uses it

Mechanical design engineers specifying mating parts, shoulders and clearances.

Technical drafters and CAD engineers preparing TPD-compliant drawings.

Manufacturing and CNC programmers selecting tooling and machining sequences.

Machinists and tooling engineers to avoid unnecessary cutters and ensure correct relief geometry.

Quality inspectors and acceptance teams verifying groove dimensions and conformity. Practical benefits include standardized machining clearances, improved interchangeability, clearer fabrication drawings, and reduced tooling costs.

Related standards

ISO 6987 - Indexable hard material inserts (G and H correspondence).

ISO 128-22 and ISO 128-24 - Drawing conventions for leader/reference lines and line types used in simplified representation.

Keywords: ISO 18388:2016, relief grooves, technical product documentation, TPD, shaft grooves, hole grooves, groove dimensioning, mechanical engineering drawings.

ISO 18388:2016 PDF

Abstract

Похожие стандарты

Overview

Key topics

Applications and who uses it

Related standards

Технические детали

ISO 6987:1998

Indexable hard material inserts with rounded corners, with partly cylindrical fixing hole — Dimensions

SIST EN ISO 18388:2019

Technical product documentation (TPD) - Relief grooves - Types and dimensioning (ISO 18388:2016)

SIST EN ISO 128-2:2023

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BS ISO 12824:2016

Royal jelly. Specifications.