ISO 27528:2009

Name: ISO 27528:2009 — Wood-based panels — Determination of resistance to axial withdrawal of screws
SKU: ISO 27528:2009
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Wood-based panels — Determination of resistance to axial withdrawal of screws

Название (английский):

ISO 27528:2009

Wood-based panels — Determination of resistance to axial withdrawal of screws

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 7
Дата публикации:: 15 июля 2009 г.
Издание:: ISO IS 27528 edition 1 version 1
ICS:: 79.060.01

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Описание (английский):

ISO 27528:2009 specifies a method for determining the resistance of wood-based panels, of thickness 15 mm and greater, to the withdrawal of screws under axial load. NOTE ISO 27528:2009 establishes fastener holding performance of screws commonly used in applications involving wood-based panels used for building, furniture, cabinet making, joinery or other work in particular regions. Different screws will give different results.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

ISO 27528:2009 specifies a laboratory method for measuring the resistance to axial withdrawal of screws from wood-based panels of thickness 15 mm and greater. The standard defines how to prepare test pieces, condition samples, insert screws (face and edge tests), apply an axial load, and record the maximum pull-out force. It establishes fastener holding performance data useful for building, furniture, cabinet making, joinery and other wood-panel applications.

Key topics and technical requirements

Scope: Tests apply to panels ≥ 15 mm; thinner panels can be laminated to achieve the minimum thickness.

Test principle: Measure the maximum axial force required to extract a screw from the face or edge of a panel.

Apparatus:

Testing machine with load measurement accuracy of 1%.
Grip/stirrup to apply axial load without significant moment.
Metal jig to restrain test piece (no restraint closer than 3× screw diameter).

Test pieces & sampling:

Cut and sample according to ISO 16999 and ISO 9424 requirements.
Minimum piece size at least 75 mm × 50 mm.

Conditioning:

Standard conditioning at (20 ± 2) °C and (65 ± 5) % RH until constant mass (two weighings 24 h apart within 0.1%).
Alternative moisture conditions allowed if reported.

Screws & pilot holes:

Use screws common to the application; report full screw description (size, length, root diameter, thread pitch).
Face test: thread embedded (full diameter) to (11 ± 0.5) mm.
Edge test: thread embedded to (15 ± 0.5) mm.
Pilot hole diameter per manufacturer or next drill size below screw root diameter; record pilot hole details.

Procedure & measurement:

Apply axial load so maximum is reached in (60 ± 30) s.
Record maximum load to nearest 10 N.
Report separate withdrawal strengths for face and edges and for panel orthogonal directions (unless combinable).

Test report: Must include lab ID, sampling, panel type/thickness, conditioning, screw details, pilot hole, apparatus, all individual results and any deviations.

Applications and users

ISO 27528:2009 is used by:

Test laboratories performing panel testing and fastener pull-out/screw withdrawal tests.

Manufacturers of plywood, MDF, particleboard, OSB and furniture components for quality control and product specification.

Designers, joiners and engineers selecting fasteners for load-bearing or assembly applications who need empirical fastener holding performance data.

Standards developers and certification bodies specifying performance criteria.

Related standards

ISO 16999 (sampling and cutting of test pieces)

ISO 9424 (dimensions of test pieces)

ISO 4757 (cross recesses for screws)

ISO 17064, ISO 2074 (vocabulary for wood-based panels)

ISO 2768-1 / ISO 286-2 (tolerances referenced for reference screws)

Keywords: ISO 27528:2009, wood-based panels, screw withdrawal resistance, fastener holding performance, panel testing, face withdrawal, edge withdrawal, conditioning, screw pull-out.

ISO 27528:2009

Abstract

Похожие стандарты

Overview

Key topics and technical requirements

Applications and users

Related standards

Технические детали

ISO 16999:2003

Wood-based panels — Sampling and cutting of test pieces

ISO 9424:2003

Wood-based panels — Determination of dimensions of test pieces

ISO 4757:1983

Cross recesses for screws

ISO 17064:2016

Wood-based panels — Fibreboard, particleboard and oriented strand board (OSB) — Vocabulary

ISO 20740:2019

Martial arts — Wushu Taiji sword — Requirements and test method

ISO 2768-1:1989

General tolerances — Part 1: Tolerances for linear and angular dimensions without individual tolerance indica…

ISO 28620:2010

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