ISO 10068-2012 PDF

Full title and description

ISO 10068:2012 — Mechanical vibration and shock — Mechanical impedance of the human hand‑arm system at the driving point. PDF of the International Standard (Edition 2, 2012) providing reference impedance data, mathematical models and measurement guidance for the biodynamic response of the hand‑arm system under specified conditions.

Abstract

ISO 10068:2012 specifies values and representations of the mechanical impedance (modulus and phase) of the human hand‑arm system at the driving point for three orthogonal translational directions (basicentric xh, yh, zh). Reference impedance data are given as a function of frequency (10 Hz to 500 Hz) for defined arm postures, handle geometries, grip and feed forces. The standard includes mathematical models, a gloved hand‑arm model, vibration power absorption information and guidance on measurement methods to support transmissibility and tool‑design assessments.

General information

• Status: Published (International Standard).
• Publication date: December 2012 (Edition 2, ISO 10068:2012).
• Publisher: International Organization for Standardization (ISO).
• ICS / categories: 13.160 (Vibration and shock with respect to human beings).
• Edition / version: Edition 2 (2012).
• Number of pages: 38 pages.

Scope

This standard defines the mechanical impedance of the male human hand‑arm system at the driving point and provides reference values (modulus and phase) for the three orthogonal translatory directions in a basicentric coordinate system. Values are given across the frequency range 10 Hz–500 Hz for specified arm positions, handle diameters (nominally 19 mm to 45 mm), grip forces (25 N to 50 N) and feed forces (not greater than 50 N). The standard is intended to support determination of transmissibility, the design/evaluation of anti‑vibration measures and mathematical modelling of the hand‑arm biodynamic response; provisional application to females is discussed where appropriate.

Key topics and requirements

• Definition of mechanical impedance and relationship to apparent mass (Zh(ω) = F(ω)/v(ω); Zh(ω) = jω·Mh(ω)).
• Reference impedance tables and curves (modulus and phase) for xh, yh and zh directions across 10–500 Hz (lower, mean and upper values).
• Specified applicability conditions: arm posture ranges, wrist neutral orientation, handle diameter limits (≈19–45 mm), grip force 25–50 N and feed force ≤50 N.
• Mathematical models of apparent mass/impedance representing mean biodynamic behaviour (annexed model forms and parameter sets).
• Gloved hand‑arm model to estimate effects of gloves on transmissibility and impedance.
• Frequency‑dependent vibration power absorption characteristics and guidance on interpretation.
• Measurement guidance and recommended procedures to obtain compatible mechanical impedance data (instrumentation, handle configuration, test posture considerations).
• Notes on limits and provisional applicability to left hand and to females (expected differences and typical percentage adjustments).

Typical use and users

Used by ergonomists, occupational‑health professionals, test laboratories, tool and handle designers, glove and anti‑vibration product developers, researchers in biodynamics and standards developers. Typical applications include estimating vibration transmissibility, designing anti‑vibration handles and gloves, validating hand‑arm vibration models, and supporting risk assessments and product specifications related to hand‑transmitted vibration.

Related standards

Commonly referenced standards in the same domain include ISO 5349 (measurement and evaluation of human exposure to hand‑transmitted vibration), ISO 10819 (measurement and evaluation of vibration transmissibility of gloves at the palm), the ISO 8041 series (measuring instrumentation for human response to vibration) and regional or sector guides on hand‑arm vibration measurement and exposure assessment (for example ANSI and EU guidance documents).

Keywords

mechanical impedance, hand‑arm system, driving point, apparent mass, transmissibility, biodynamics, hand‑arm vibration, grip force, handle diameter, vibration power absorption, ergonomy, occupational health, vibration measurement.

FAQ

Q: What is this standard?

A: ISO 10068:2012 is an international standard that provides reference mechanical impedance data and models for the human hand‑arm system at the driving point, intended to support measurement, modelling and the evaluation of vibration transmissibility between tools/handles and the hand.

Q: What does it cover?

A: It covers definitions and tabulated values (modulus and phase) of mechanical impedance in three orthogonal translational directions over 10–500 Hz, specified test conditions (posture, grip/feed forces, handle sizes), mathematical models, a gloved‑hand model, vibration power absorption information and guidance for measurements.

Q: Who typically uses it?

A: Ergonomists, occupational safety specialists, tool and glove designers, test laboratories and researchers working on hand‑transmitted vibration, anti‑vibration devices and biodynamic modelling.

Q: Is it current or superseded?

A: ISO 10068:2012 is the second edition (published December 2012). Users should check the issuing body (ISO) for any subsequent reviews, confirmations or replacements; standards in this domain are periodically reviewed or confirmed every few years.

Q: Is it part of a series?

A: It is part of the broader family of ISO standards addressing mechanical vibration and human response (for example ISO 5349 series on hand‑transmitted vibration, ISO 10819 on glove transmissibility and ISO 8041 on measuring instrumentation), and is intended to be used alongside those documents for comprehensive assessment.

Q: What are the key keywords?

A: Mechanical impedance, hand‑arm vibration, apparent mass, transmissibility, biodynamics, grip force, handle diameter, vibration measurement.