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GB16454-2008
Sawing machines for metal cutting - Safeguarding specifications
金属锯床 安全防护技术条件
GB 16454-2008 — действующий обязательный национальный стандарт Китая: Sawing machines for metal cutting - Safeguarding specifications. Отрасль: Электроника. Тема: Безопасность продукции. Дата вступления в силу: 1 окт. 2009 г..
Применимость зависит от продукции, схемы сертификации, уведомлений компетентных органов и переходных правил. Закажите перевод или проверьте источник, прежде чем использовать эту запись в решениях по соответствию.
Обзор требований
Этот обзор пока доступен только на английском языке.
Область применения
This standard establishes the essential safety requirements to eliminate hazards and reduce risks for metal sawing machines. It specifically applies to general-purpose horizontal band sawing machines, vertical band sawing machines, circular sawing machines, and horizontal hack sawing machines. It explicitly excludes abrasive blade sawing machines from its scope. Manufacturers of these metal-cutting machine tools must ensure their products comply with these provisions before entering the Chinese market.
Технические требования
The standard outlines comprehensive safety design principles to mitigate mechanical, electrical, and thermal hazards identified during risk assessment. It mandates that hazards should first be eliminated by design; if unavoidable, safety guards and protective devices must be implemented. Manufacturers are required to ensure robust work-holding mechanisms to prevent workpiece loosening during the entire sawing process. For band sawing machines, the standard specifies requirements for blade guarding, mandating that processing zone guards maintain a minimum safe distance from the workpiece. It also sets strict physical limits, such as requiring that the gap between table inserts and the saw blade on vertical band saws does not exceed 3mm. Manual feeding operations must be equipped with specialized machining area devices to prevent operator hands from entering the danger zone. For circular sawing machines, the standard details structural requirements for spindle integrity, flange design, and blade guarding. Flanges must possess sufficient stiffness and matching diameters to securely clamp the blade, and the spindle's thread direction must counteract the rotation to prevent loosening. Protective devices for circular saws must be designed to withstand impacts from broken blades and high-temperature chips. The standard also sets noise emission limits during no-load operation, categorized by machine weight and control type (conventional vs. CNC). Additionally, it requires clear marking of spindle rotation directions, cooling fluid splash guards, and reasonable operating forces for handwheels and handles, referencing general machinery safety standards like GB 15760 and GB 5226.1.
Методы испытаний
Compliance verification primarily involves risk assessment procedures as outlined in the referenced GB/T 16856.1 (ISO 14121-1) standard. Physical testing focuses on measuring noise sound pressure levels during no-load conditions, which must be conducted according to the methods specified in GB/T 16769. Manufacturers must also visually and mechanically verify the structural integrity of guards, interlocking devices, and emergency stop functions.
Частые вопросы
What products are regulated under GB 16454-2008?
This standard applies to general-purpose horizontal band sawing machines, vertical band sawing machines, circular sawing machines, and horizontal hack sawing machines. It explicitly excludes abrasive blade sawing machines.
Are there any major updates from the previous GB 16454-1996 version?
The 2008 version changed the standard's name, added new terminology regarding sawing machine dangers, introduced a dedicated chapter for hazard identification, and shifted the implementation timeline. Products manufactured after October 1, 2009, must comply with this version, and non-compliant products were banned from the market starting October 1, 2010.
How does GB 16454-2008 relate to international ISO standards?
The standard aligns with international methodologies by referencing ISO 12100 and ISO 14121-1 for risk assessment and basic safety concepts. However, it includes specific Chinese mandatory requirements for certain machine components, such as precise clearance limits for band saw tables and structural criteria for circular saw flanges.
The summary above provides a high-level overview of GB 16454-2008. To ensure complete compliance for your products entering the Chinese market, a precise and professional translation of the full technical specifications is essential. Purchase our high-quality English translation of GB 16454-2008 today to access all detailed parameters, tables, and testing procedures.
Подсказки по применимости
- Тип
- Безопасность
- CCS
- J57
- ICS
- 25.080.60
- Компетентное ведомство
- Ministry of Industry and Information Technology
- Технический комитет
- Ministry of Industry and Information Technology