Construction Safety Training --AFS 11
砂轮机等工具
Abrasive Wheels and Tools
•可能会飞出碎片 May throw off flying fragments
•装备防护： Equip with guards that:
➢ 轴末端、 螺母和边缘突出部分加盖 Cover the spindle end, nut, & flange projections
手动工具的安全使用
Tools – Hand and Power
Construction Safety Training --AFS 1
危险
Hazards
•使用电动工具的工作者可能接触这些危险： Workers using hand and power tools may be exposed to these hazards:
电动工具
Power Tools
•必须有防护和保险开关
Must be fitted with guards and safety switches
•不正确使用是非常危害的
Extremely hazardous when used improperly
•不同的类型，由他们的动力源决定：
Different types,determined by their
power source:
➢电
Electric
➢ 气动
Pneumatic
➢ 液体燃料 Liquid fuel
➢ 水压
Hydraulic
➢ 火药驱动 Powder-actuated
Construction Safety Training --AFS 6
开关
Switches
•手持式电动工具必须具备以下之一： Hand-held power tools must be equipped with one of the following:
•非自保持的开关 -通过释放来切断电源 Constant pressure switch shuts off power upon release
•例如： 圆形锯，链条锯，研磨机，手扶 的电钻 Examples: circular saw, chain saw, grinder, hand-held power drill
Construction Safety Training --AFS
裂缝Crack
4
Hale Waihona Puke 手工工具-保护Hand Tools - Protection
• 使用个人防护用品，例如安全眼镜和 手套
Use PPE, such as safety goggles and gloves
• 保持地板表面没有杂物导致绊倒或者 滑倒的危险
➢ 下落、打磨、或飞溅的物体 objects that fall, fly, are abrasive, or splash
➢ 有害的灰尘，气味、雾气、蒸汽和其他 有害气体 harmful dusts, fumes, mists, vapors, and gases
➢ 损坏的电线，危险连接和不正确接地 frayed or damaged electrical cords, hazardous connections and improper grounding
电动工具-防护措施
Power Tools - Precautions
•当不使用，维修和清洗之前和更换辅件时给工具断电， Disconnect tools when not in use, before servicing and cleaning, and when changing accessories •保持未介入工作的人员远离工作 Keep people not involved with the work away from the work •用夹具或台钳固定，用两只手操作工具 Secure work with clamps or a vise, freeing both hands to operate the tool •当拿一把通电的工具时，不要握着开关按钮 Don’t hold the switch button while carrying a plugged-in tool •保持工具锋利和干净 Keep tools sharp and clean •注意自我的穿着-宽松的衣服和首饰可能被运动中的机件碰到 Consider what you wear – loose clothing and jewelry can get caught in moving parts •不用损坏的电动工具并加以标示： “禁止使用” Remove damaged electric tools & tag them: “Do Not Use”
•达到全速时不要在砂轮前面站立 Don’t stand in front of the wheel as it comes up to full speed
•使用眼睛和面部保护 Use eye and/or face protection
Construction Safety Training --AFS 2
工具的基本安全规程
Basic Tool Safety Rules
• 定期维护 Maintain regularly
• 使用正确的工具 Use right tool for the job
• 在使用之前检查 Inspect before use
有变形
tighten the spindle nut enough to hold the wheel in place without distorting the flange
•在研磨或切割前,让工具达到正常速度
Let the tool come up to speed prior to grinding or cutting
Construction Safety Training --AFS 8
电动工具-防护措施
Power Tools – Precautions 电线Electric Cords
•拿手提工具时不要只拿电线
Don’t carry portable tools by the cord
•不要用电线提起或放下工具 Don’t use electric cords to hoist or lower tools
Keep floor surface where working free from debris and tripping or slipping hazards
• 保持切割工具锋利 Keep cutting tools sharp
Construction Safety Training --AFS 5
电动工具
Electric Power Tools •要保护工作者不被电击，这些工具必须：
To protect a worker from shock, these tools must:
➢三芯线的接地插头插入一个接地的插座
have a 3-wire cord plugged into a grounded receptacle ➢双层绝缘的
测试 To test: ➢ 用轻的非金属工具轻打砂轮 tap wheel gently with a light, nonmetallic instrument ➢ 如果砂轮有破声或没声，不要使用它， 因为它可能已破裂，容易在使用中破损 飞出 if wheel sounds cracked or dead, do not use it because it could fly apart
be double insulated, or
双层绝缘
标志
Double insulated
有接地脚的 插头Plug
with a
markings
grounding
Construction Safety Training --AFS
pin
10
电动工具-正确的使用
Electric Tools – Good Practices
• 根据制造商的说明书操作 Operate according to manufacturers’ instructions
• 使用正确的个人防护用品(PPE) Use the right personal protective equipment (PPE)
• 使用防护 Use guards
Construction Safety Training --AFS 3
Construction Safety Training --AFS 13
使用砂轮
Abrasive Wheel Use
•防止破裂：
To prevent cracking: ➢ 砂轮和轴能自由地安装
fit the wheel on the spindle freely ➢ 锁紧轴和螺母使砂轮安装到位，边缘没
•拔插头时不要猛拉电线
Don’t yank cord or hose to disconnect it
•保持电线远离热、油和锋利的 边缘
Keep cords and hoses away from heat, oil, and sharp edges
Construction Safety Training --AFS 9
•手动自锁开关 On-Off Switch • 例如： 镂铣机，电刨，层压制品修边机 ，剪床，夹具锯，步冲轮廓机，钢丝锯 Examples: routers, planers, laminate trimmers, shears, jig saws, nibblers, scroll saws
Construction Safety Training --AFS 7