Tool_Safety_Exploring_Tech(手动工具安全培训).ppt

DIFFERENCE BETWEEN Hand ToolsAND Power Tools Hand tools Have no power source, other than the physical force applied by the user. Hand- tools include anything from axes to hammers, and screwdrivers to wrenches. Power Tools Require a non-human power source to function properly--e.g. External (electricity, compressed air, etc.) or Internal (battery pack, internal combustion engine, etc.). Both kinds of tools require specific safety precautions or rules to be followed; yet some rules will apply to both. There are seven basic rules that apply to all tools used either hand or power. Keep all tools in good working order Use the tool only for what it is designed to do Examine the tool for damage before each use Always follow the manufacturer’s instructions when operating any tool Wear proper apparel. Do not wear loose clothing, dangling objects or jewelry. Long hair must be restrained. Gloves should not be worn when operating certain power tools. Check with Mr. Lewis General Safety Precautions General Safety Precautions Appropriate personal protective equipment should be worn due to hazards that may be encountered while using portable power tools and hand tools. Floors should be kept as clean and dry as possible to prevent accidental slips with or around dangerous hand tools. Hand Tools Hand tools are non-powered. They include anything from axes to wrenches. The greatest hazards posed by hand tools result from misuse and improper maintenance. Hand Tool Misuse The greatest hazards posed by hand tools result from misuse and improper maintenance. Some examples: Using a screwdriver as a chisel may cause the tip of the screwdriver to break and fly, hitting the user or other employees. If a wooden handle on a tool such as a hammer or an axe is loose, splintered, or cracked, the head of the tool may fly off and strike the user or another worker. Wrenches must not be used if the jaws are sprung, cracked or twisted Impact tools such as chisels, wedges, or