这些机器人的显著特点是具有 50 mm 通孔的空心轴结构（Hollow Wrist）。由此可集成所有常见的焊接包。同时，这些新型机器人还以其误差低于 +/- 0.05 mm 的高重复精度而出类拔萃。其防护等级为 IP54，即同样适用于焊接行业中常见的恶劣环境。可无限转动的轴 6 节省了宝贵的时间。高性能电机与其 245 或 238 kg 的较轻自重相结合，使这位焊接专家具有极高的生产效率。KR 16 arc HW 以其高至 16 kg 的负载能力，特别适用于较大的构件 — 例如用于厚板。反之，若需考虑作用范围，则应首选作业半径达 2015 mm 的 KR 16 L8 arc HW。
继 2007 年库卡机器人首次引入 Hollow Wrist 空心轴结构（KR 5arc HW）之后，库卡在这两款新型机器人上延用了这一设计结构。带有双面轴承机械手的优化机械臂在生产环境中得到了充分验证。它提高了刚性、减少了振动，并增强了耐轻微碰撞性。
英文简介：
1. KR 16 arc HW AND KR 16 L8 arc HW: THE EXPERTS WITH THE LONG SERVICE LIFE
KUKA presents two more arc welding specialists:the KR16 arc HW and teh KR 16 L8 arc HW. One high-light is their hollow-wrist design with a50 mm opening. This allows protected,internal routing of all conm-monly-used hollw-wrist dress packages,with easy access for quick exchange if necessary. This simplifies undesirable wh iplash motion during reorientation of the robot.
These robots are also built to endure,with protection rating IP54 for harsh service conditions and a long service life-demonstrated in rigorous component tests:with 40000hours of guaranteed production and maintenance intervaks of over 20000 hours,they set the very highest standards. The advantages:high planning reliability and security of investment。
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