Vibration Safety

Hytorc电源扭矩工具振动安全性

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HYTORC功率扭矩工具扭矩倍增器lead the industry in vibration safety for heavy bolting applications. Operators still using impact wrenches on bolting projects worry that those tools place the workforce at high risk of Hand-Arm Vibration (HAV) injury. Users in the transportation, steel fabrication, construction and many other industries are discovering the hassles of administratively controlling, monitoring and limiting vibration exposure to impact wrenches is just not worth it when safer solutions are available. Newer electric and pneumatic powered torque tools with efficient torque multipliers deliver ten-times lower hand and arm vibration than impact wrenches and still get the job done efficiently. All HYTORC Power Torque Tools provide smooth and quiet operation, transfer low vibration and are safer for the operator even under extended use.
  1. Temporary or permanent pain and loss of use of hands or arms
  2. 肌肉疲劳和弱点导致手指，手或手臂中的移动性降低。
  3. 血管损伤导致疼痛和变色。
  4. 对神经的损害导致麻木和刺痛。

Risk and Responsibility

很好地确定，暴露于高幅度振动电动工具将增加被称为手臂振动综合征（HAV）的衰弱损伤的风险。这种伤害会对神经，血管，肌肉和关节造成伤害

in the hands and arms. This injury may occur within a year or two of exposure or show up years later. Severe cases are irreversible and permanent. Employers across the world have a responsibility to be aware of the hazard and protect the workforce from this risk of injury.

工业标准

政府安全和卫生组织在每日（8小时）曝光行动（EAV）的日常（8小时）曝光范围内（EAV）的日常标准手臂振动（欧洲标准指令2002/44 / EC）建立了2.5米/平方米•在欧洲是雇主必须遵循的法律。任何具有声明振动值的工具都更大进入更高的风险类别，并将需要在雇主的一部分中采取行动，以限制伤害的风险。暴露于5米/ S2的日常暴露极限值（ELV）以上的振动的工人处于高风险的开发HAV。

计算冲击扳手的风险

Employers conduct risk evaluation across a spectrum of scenarios by combining the tool vibration intensity with the exposure duration, where exposure is the actual "trigger-time" of an operator using the tool. Risk is calculated and categorized as low, moderate or high as shown in the diagram below. High vibration tools such as impact wrenches, if used frequently, quickly become a moderate or high-risk of HAVS injury. Most all impact wrenches exceed the industry standard Exposure Action Value (EAV) limit of 2.5 m/s2. Most impact wrenches also exceed the Exposure Limit Value (ELV) of 5 m/s2 meaning a high risk of developing HAVS. Reliable sources [1] of tool vibration data characterize impact wrench vibration at 7-to-11 m/s2 during typical job use.

[1]振动幅度数据来源

传奇

Low Risk
适度风险（行政控制）
高风险

行政控制

通常必须通过行政控制减少到温和扳手等中等和高风险工具的振动。这可能包括旋转员工或限制使用时间。国家职业健康与安全研究所（Niosh）建议限制员工每周的小时数和天数必须使用高振动手动工具。Niosh表明它限制了其使用10分钟的操作周期，每天总共超过2小时，每周连续两天。行政控制还包括监测工具的状况和工人的健康状况。许多运营商正在发现行政控制难以管理，减速工作，并使工人处于危险之中。

选择带扭矩乘法器的电源扭矩工具

When planning repetitive bolting operations, low-vibration power torque tools with torque multipliers such as HYTORC Electric and Pneumatic Torque Tools are recommended to minimize risk. All of these tools have vibration exposure that is ten times less than impact bolting tools. These tools are certified with declared vibration less than the Exposure Action Value (EAV) of 2.5 m/s2• As shown in the diagram below Torque tools such as the HYTORC Electric and Pneumatic Tools have measured vibration values less than 1.5 m/s2. These tools can be used by an operator on a bolting job for an entire day while remaining in the "low risk" category and without concern of HAV injury.

传奇

Low Risk
适度风险（行政控制）
高风险

抗振动手套怎么样？

Niosh研究发现了一些防振手套（AV GS）可以将振动强度降低到手中。有效性是“高度依赖”刀具振动频率和曝光量。Niosh得出结论，平均不能单独依赖，以提供足够的保护免受伤害。尽管有局限性，但使用高振动工具仍然推荐手套仍然推荐PPE，以防止双手保暖和干燥，以防止削减，擦伤和工作危害。