Development of Advanced Tools for Economic and Ecological Grinding of Granite
Development of Advanced Tools for Economic and Ecological Grinding of Granite
复制标题
花岗岩经济生态磨削先进工具的研制
DOI：
10.4028/www.scientific.net/kem.250.21
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发表时间：
2003
期刊：
影响因子：
--
通讯作者：
T. Glatzel
中科院分区：
文献类型：
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作者：
B. Denkena;H. Tönshoff;T. Friemuth;T. Glatzel
天然石材的主要产品是用于装饰地板和墙壁的各种尺寸的瓷砖。在大多数情况下，这些瓷砖是用专门为此目的开发的圆形金刚石工具从石块上切下来的。该技术的主要缺点是去除材料的比例较高（>50%）。本文提出了一种新的刀具和加工概念，旨在将石块中的槽宽度从常见的 7.0 毫米减少到 4.0 毫米。考虑到这一目标，就需要调整切削参数而言，需要更薄的钢中心和段。特别是薄盘厚度的减小会导致刚度和振动行为变化的问题。借助数学计算，表明可以用较高切削速度产生的增加的动态刚度来代替降低的静态刚度。基于这些知识，我们进行了有关将切削速度提高到 50 m/s 的研究，特别考虑了加工力、金刚石刀头的磨损行为、钢中心的振动行为以及切削过程中的噪音水平。
The main products of natural stone are tiles of various sizes for the decoration of floors and walls. In most cases these tiles are cut out of stone blocks b y ircular diamonds tools especially developed for this purpose. The main disadvantage of this technology is t he high proportion of removed material (>50%). This paper presents a new tool and machining co cept in order to reduce the width of the slots in the stone block from common 7.0 mm to 4.0 mm. Conce rning this goal there is a requirement for thinner steel centres and segments as far as adapted cutting parameters. Especially the reduced thickness of thin discs cause problems regar ding changed stiffness and vibration behavior. By the help of a mathematical calculation it was st ted that it is possible to substitute the reduced static stiffness by an increased dynami c stiffness generated by a higher cutting speed. Based on this knowledge investigations regarding increas ed cutting speeds up to 50 m/s have been carried out taking special account to the process fo rce , the wear behavior of the diamond segments, the vibration behavior of the steel centre as well as the noise level during the cutting process.