General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 20456-2023
Introduction
GB/T 20456-2023 Portable Chainsaw Non-Manual Trigger Saw Chain Brake Performance is a national standard of China. This standard specifies the performance requirements, test methods, inspection rules, marking, packaging, transportation, and storage of non-manual trigger saw chain brakes for portable chainsaws.
The non-manual trigger saw chain brake is an important safety device used in portable chainsaws to prevent accidents caused by the saw chain kickback. By automatically stopping the rotation of the saw chain when a kickback occurs, it enhances the overall safety of chainsaw operation.
The standard provides specific requirements for the performance of non-manual trigger saw chain brakes. These include the braking force, response time, and durability of the brake mechanism. It also outlines the test methods to evaluate these performance parameters, ensuring that the saw chain brake meets the necessary safety standards.
Compliance with GB/T 20456-2023 is essential for manufacturers and users of portable chainsaws. By adhering to this standard, manufacturers can ensure the quality and reliability of their products. Users can have confidence in the safety of the chainsaws they purchase, knowing that they meet the stringent requirements set forth in the standard.
Overall, GB/T 20456-2023 plays a vital role in promoting the safe and efficient use of portable chainsaws. It sets the benchmark for non-manual trigger saw chain brake performance, contributing to the protection of operators and preventing potential accidents in chainsaw operations.
GB/T 20456-2023 history
2023GB/T 20456-2023 Performance of non-manually triggered chain brakes for portable chainsaws
2012GB/T 20456-2012 Forestry machinery.Portable chain-saws.Non-manually actuated chain brake performance and test methods