利用物联网优化健身设备性能：Life Fitness 案例研究
技术
- 传感器 - 触觉传感器
- 传感器 - 红外传感器
适用行业
- 化学品
- 设备与机械
适用功能
- 设施管理
- 质量保证
用例
- 现场人员安全管理
- 视觉质量检测
服务
- 测试与认证
- 培训
关于客户
Life Fitness 力健是一家全球领先企业，致力于为国内市场开发和制造先进的健身器材，并为健身设施和培训中心提供行业定制的解决方案。他们的商业产品线包括 Life Fitness Cardio、Life Fitness Strength 和 Hammer Strength 设备，供专业和大学运动员用于训练。 Life Fitness 力健还生产针对家庭锻炼计划的消费类有氧运动和力量设备。该公司拥有 50 多项美国专利，以其引领健身行业的性能特点而闻名。他们的产品旨在促进世界各地运动员和人们发展力量、速度、敏捷性、运动范围和耐力所需的肌肉力量和锻炼。
挑战
Life Fitness 力健是全球健身器材制造领域的领导者，在确保心血管和力量设备的可靠性和安全性方面面临着重大挑战。该设备广泛使用圆柱形衬套和滑动轴承将高径向载荷从旋转轴传递到支撑结构。为了实现可靠性目标，准确确定衬套和轴之间的接触压力至关重要，以确保衬套磨损率在可接受的限度内。套管目录和赫兹公式等传统方法用于预测这些压力。然而，这些方法未能考虑轴和衬套之间的轴向不对中，这可能导致极高的不均匀压力分布，从而难以确保设备的使用寿命和安全性。
解决方案
为了克服这一挑战，Life Fitness 采用了 ANSYS Mechanical 软件。与传统的 FEA 代码不同，ANSYS 的表面到表面接触单元技术可自动检测零件接触的区域，并使用不需要接触零件的节点对齐的高阶单元。该技术可以轻松解决数值上困难的接触问题，从而节省大量时间和精力。具体来说，TARGE170 和 CONTA174 单元用于模拟轴和衬套之间的三维接触。这种方法极大地改进了初始接触的检测，使工程师能够快速准确地确定由于轴和衬套之间的轴向不对中而产生的接触压力。
运营影响
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