人与机器专家
05.12.2016

宇通客车

凭借激光切割机器人,致胜汽车工业

概述

史陶比尔解决方案的优势

• 高精度、高柔性、高可靠性

• 高等级刚性结构、机身坚固紧凑

• 可重复精度高达+/-0.05mm

• 速度是传统型切割工艺的2倍

• 具有切割小圆和复杂3D形状的超高精度

问题

寻找激光切割应用的正确工具

郑州宇通客车股份有限公司(以下简称“宇通客车”)创建于1963年,坐落于中国中原地区河南省,最初作为一家客车维修工厂,现逐步发展成为世界最大的客车制造商之一。如今宇通客车日产量逾340台,出口至世界上130多个国家和地区。

以往制造商为了生产用于客车的多种金属组件和车身部件,通常依靠传统工艺,如冲压、钻孔和整边;发展至近些年,机器人也仅用于如点焊和喷涂等对加工精度要求不高的应用。

经验表明,在汽车工业中,传统机器人不具备在钣金件上完美切割中等大小圆圈的精度。这些机器人轴控制能力弱,手臂运行速度很慢,夹持工件时不能随生产线快速移动。此外,轻量型机器人不够稳固结实,极易变形,因而也不能确保满足完美的激光切割结果的精度要求。

解决方案

提升精确性和生产力的高精度机器人

幸运的是,这一趋势已出现逆转,在亚洲和世界其他地区,激光切割机器人解决方案越来越受到汽车与客车制造商的青睐。早在2011年,宇通客车就开始将史陶比尔RX160L机器人集成到其生产线中。该款六轴机器人以吊装的方式夹持着激光切割工具,能够快速、精准地切割由一个移动平台进行传送的车门、减震器和其他钣金件,加工出从最小的圆形剖面到更复杂的3D自由曲面的所有产品。

得益于中空铸铁构造,RX160L机器人具有坚固且紧凑的机身,确保了高等级的刚性。此外,由于使用航空用铝材,机身不易弯曲变形。这些都使得机器人能够完成超高精度的激光切割操作,从而达到制造商的严格质量标准。

成果

高效、高速、高精度

江苏亚威创科源激光装备有限公司是专门提供三维激光切割解决方案的供应商,“我们在从事激光切割行业的初期,经过对比发现史陶比尔机器人本体质量比较轻—同样臂展的机器人基本上质量是其他厂家机器人的一半,因此对于吊装和柔性加工比较有优势。” 项目经理刘红升说,“一些整车厂家对于设备的安全、加工效率的要求非常高。史陶比尔机器人的精度和速度更好一些,而且它的平台相对开放,这也是我们选择和史陶比尔合作的原因。”

相比于传统的五轴切割机床,史陶比尔解决方案极大地节省了开支,并加速生产进程。“RX160L机器人效率很高,可重复精度高达±0.05mm,一般机器人难以匹敌。运行速度与传统激光切割机器相当,而成本大幅降低,用户进行产品切换也更灵活。”刘红升经理说。

凭借改进的柔性,可靠的跟踪技术,以及更高的生产量,这一机器人解决方案无疑成为全球汽车工业中激光切割应用的最佳选择。

“史陶比尔RX160L机器人的稳定性和高精度使其可以完美驾驭激光切割操作中最艰巨的工作任务。在我们用户的生产实践中,这些机器人凭借其高效生产力充分证明了他们的价值。”

刘红升,江苏亚威创科源激光装备有限公司,宇通客车集成项目经理

凭借改进的柔性,可靠的跟踪技术,以及更高的生产量,这一机器人解决方案无疑成为全球汽车工业中激光切割应用的最佳选择。

聚焦

聚焦宇通客车

  • 于1963年在中国河南省创建
  • 是一家集客车产品研发、制造与销售为一体的大型现代化制造企业
  • 细分市场包括高速公路客运、旅游业和公共交通
  • 核心竞争力包括先进的制造技术、国际化质量管理系统和信息化管理机制
  • 每日整车产量达340台以上

聚焦史陶比尔解决方案

  • RX160L六轴机器人
  • 安装方式:置顶式
  • 激光专用软件
  • 总体精度: +/-0.05 mm
  • RX160L
Man and machine - YutongMan and machine - Yutong

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