GB/T 26548.2-2011
Hand-held protable power tools.Test methods for evaluation of vibration emission.Part 2: Wrenches, nutrunners and screwdrivers (English Version)

Standard No.: GB/T 26548.2-2011
Language: Chinese, Available in English version
Release Date: 2011
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB/T 26548.2-2011

Scope: This part of GB/T 26548 specifies the test method for hand-transmitted vibration radiation measurement of hand-held motorized pneumatic triggers, nut wrenches and screwdriver handles for tightening and loosening threaded fasteners. During operation, the type inspection procedure for the amount of vibration at the grip part of the handle. This method is only used for tightening test tasks, and the measured results are used to compare different types of machines of the same type. This part of GB/T 26548 applies to self-closing, ratchet or stall-type hand-held machines (see Chapter 5) driven by compressed air or other means, these machines have a shock or pulse function, and are designed with straight handles, gun handles, Angle or ring handle, etc. The scope of application includes machines with transmission square heads or transmission square holes ranging from 6.3 mm to 40 mm and other geometric dimensions. This section does not apply to nutrunners designed only for anti-torque.

GB/T 26548.2-2011 Referenced Document

EN 12096:1997 Mechanical vibration - Declaration and verification of vibration emission values
GB/T 25631-2010 Mechanical vibration.Hand-held and hand-guided machinery.Principles for evaluation of vibration emission
ISO 17066:2007 Hydraulic tools - Vocabulary
ISO 2787:1984 Rotary and percussive pneumatic tools; performance tests
ISO 5391:2003 Pneumatic tools and machines - Vocabulary
ISO 691:2005 Assembly tools for screws and nuts - Wrench and socket openings - Tolerances for general use

2011 GB/T 26548.2-2011 Hand-held protable power tools.Test methods for evaluation of vibration emission.Part 2: Wrenches, nutrunners and screwdrivers