ISO 7806:1983 PDF

Name: ISO 7806:1983 — Industrial plate screens — Codification for designating perforations
SKU: ISO 7806:1983
Price: 25 EUR
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Industrial plate screens — Codification for designating perforations

Название (английский):

ISO 7806:1983

Industrial plate screens — Codification for designating perforations

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 5
Дата публикации:: 1 декабря 1983 г.
Издание:: ISO IS 7806 edition 1 version 1
ICS:: 73.120

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Описание (английский):

The perforation of a plate is designated by 1: shape of the holes, 2. aperture size, 3. mutual arrangement of holes, 4. pitch, 5. orientation of the arrangement of the perforations relative to the edges of the plate. The code expresses the items of designation by symbols and magnitudes in the sequence above. The standard applies to perforated plates regardless of the plate material.

Abstract

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Упомянутые в описании и другие стандарты ISO

Overview

ISO 7806:1983 - "Industrial plate screens - Codification for designating perforations" defines a concise, machine-readable code for describing perforated plates used in sieving, screening and sizing applications. The standard codifies the key attributes of a perforation in a fixed sequence so buyers, manufacturers and engineers can unambiguously specify hole geometry and arrangement regardless of plate material.

Key topics and technical requirements

Codification sequence: The perforation designation expresses, in order, shape of holes, aperture size, mutual arrangement of holes, pitch, and orientation relative to the plate edges.

Hole shape symbols: Standard symbols are used for shapes:

R = circular (round)
C = square (sides parallel to edges)
CD = square (diagonals parallel to edges)
H = hexagonal
LR = slot with round ends
LC = slot with square ends

Aperture size format: Sizes are stated in millimetres following the shape symbol. For slots the width and length are combined with an “x” (e.g., LR3x10).

Arrangement codes:

U = vertices of rectangles
Z = rectangle vertices and diagonal intersections
M = square vertices and diagonals (optional)
T = vertices of equilateral triangles

Pitch specification: Pitches p1 and p2 (in mm) are stated after the arrangement. For many layouts the shorter pitch is listed first (e.g., U15x20). Use of the “x” sign has no spaces.

Orientation: Orientation 1 or 2 indicates how the perforation grid aligns with the plate edges (e.g., with the longer or shorter edge). Specific orientation rules are given for T, U/Z and slot arrangements.

Scope and applicability: Applies to perforated plates regardless of material. Purchasers should additionally specify plate thickness and material for manufacturing and performance considerations.

Reference vocabulary: ISO 2395 is referenced for sieving terminology.

Applications and users

ISO 7806 is valuable for:

Perforated plate manufacturers and pattern-makers for consistent production and tooling.

Screening and sieve equipment designers to define screen decks and liners.

Procurement and quality control teams to create unambiguous purchase orders and inspection criteria.

Materials engineers and process engineers who select perforated media for separation, filtration, grading or acoustic panels.

CAD/CAM libraries and technical documentation where compact, standardized codes (e.g., R10 U15x20) help automate part selection.

Practical benefits include improved supplier-buyer communication, reduced errors in specification, easier documentation of perforated metal products, and compatibility across international markets.

ISO 7806:1983 PDF

Abstract

Похожие стандарты

Overview

Key topics and technical requirements

Applications and users

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