金刚石串珠绳锯的评鉴

目前金刚石串珠绳锯已广泛用于石材开采、荒料整形、异型石材锯切以及建筑物改造施工等。要正确选用金刚石串珠绳锯,提高其工作效率和使用寿命,对金刚石串珠绳锯进行现场使用评鉴是必要的。意大利都灵理工大学M·Cardu与A·Giraudi和印     

金刚石工具在石材开采中的最新应用与发展

金刚石刀具在石材开采方面的应用,主要是围绕着机械化开采石材展开的。随着20年前,第一台金刚石串珠锯(以下简称串珠锯)出现,与之配套的金刚石串珠绳(以下简称串珠绳)便同时进入石材开采领域。经过多年来的不断改进和更新,金刚石串珠锯开采技术成功地取代钢丝绳锯机、劈裂控制爆破等开采技术,成熟地应用于大理石矿山,成为软质石材开采的主要方法。在金刚石串珠绳制造技术不断进步的基础上,在花岗石矿山开采方面,作为配套切割技     

金刚石串珠绳锯在石材加工中的应用

介绍了金刚石串珠绳锯的构成及制造方法,研究了金刚石串珠绳锯加工石材的机理及过程及其在石材荒料开采中的应用。     

国外石材行业用金刚石串珠绳锯的发展与现状(一)

1开发史的种种说法 金刚石串珠绳锯是1978～1979年正式进入石材矿山开采的,到现在已经约有26年的历史。金刚石串珠绳锯技术进入石材行业,无论对石材的开采还是加工,都是一个历史性的变革。     

全国石材矿山开采技术现场交流会专题发言之一:石材开采用金刚石串珠锯及配套设备

经过近30年的发展，金刚石串珠锯开采技术在石材开采领域已经得到广泛的应用，并发展成为机械化开采大理石、花岗石的主要设备。本文将简述目前采用TSY系列金刚石串珠锯开采石材的系统。串珠锯的结构性能和串珠绳的应用实例。     

国外石材行业用金刚石串珠绳锯的发展与现状(二)

用金刚石串珠绳锯加工石材,一般是在固定设备上的使用。目前常用的加工石材用金刚石串珠绳锯类型如下：     

金刚石绳锯模拟切割反应堆重混凝土试验研究

金刚石绳锯是目前国外石材开采和锯切的新技术。采用金刚石串珠绳锯对两种组分不同的重混凝土进行了模拟切割试验。根据试验结果表明:在反应堆退役过程中,推荐采用金刚石串珠绳锯对密度较小,内含金属较少的重混凝土实施拆除解体。     

金刚石串珠绳锯研究现状综述

金刚石串珠绳作为新型的石材加工工具,相比砂锯和圆盘锯,有着低污染、低功耗等优点,被应用在石材整形、桥梁拆除等各个工业中。本文在详述了国内外金刚石串珠绳锯的研究后,分别探讨了金刚石串珠绳锯理论研究与实验研究,最后浅谈了金刚石串珠绳锯的发展趋势。     

金刚石绳锯的应用现状及未来发展

一、绳锯的起源 1.国外绳子锯的起源及其发展历程 柔性切割工具用于石材开采使用已有一百多年的历史,最早使用的是改进后的螺旋钢绳用来开采大理石。1968年,英国人发明了金刚石绳锯,约十年后,该技术被意大利引进用于大理石开采。当时使用的是电镀金刚石串珠,即将金刚石用电镀的方法固定到金属空心管的外表上,从而制成金刚石串珠。     

多绳式金刚石串珠锯

金刚石串珠锯(以下简称串珠锯)问世二十年来,除用于矿山开采、荒料整形外,还广泛用于石材异型产品的加工。在废弃工业建筑的拆除等特殊领域内也有使用。目前串珠锯,已从安装一根金刚石串珠绳(以下简称串珠绳)的单绳式串珠锯,发展到可同时安装10根串珠绳的多绳式串珠锯。本文以意大利CO.FI.PLAST公司生产的FALCON-600型串珠锯和CANDIANI公司生产的C2000-2型串珠锯为例,分析介绍多绳式串珠锯的结构特点及应用。     

绳锯切割技术在构筑物水下拆除施工中的应用

结合柳州维义大桥的工程特点，对临时墩拆除施工方案进行了研究制定，并对采用的金刚石绳锯切割技术作了探讨，阐述了施工过程中设备配置、桩身导向装置设计安装、绳锯机及金刚石锯绳安装要点，为该技术的推广应用提供了技术支撑。     

Multifactorial fuzzy approach to the sawability classification of building stones

The performances of circular sawing with diamond impregnated tools were evaluated in stone processing plants located in some areas of Turkey. Samples were collected from these factories for the laboratory tests. Uniaxial compressive strength, tensile strength, Schmidt hammer value, point load strength, impact strength, Los Angeles abrasion loss and P-wave velocity were determined in the laboratory. Performance measurements and stone properties were evaluated by using the multifactorial fuzzy approach which is a special case of multiple objective multifactorial decision making for the sawability classification of building stones. Using three different decision functions, the sawing performances of diamond saws were classified into three categories: excellent, good and poor. It is possible to evaluate the sawability and select a suitable diamond saw for a new building stone by only some stone properties testing using the developed fuzzy classification system.     

锯切花岗岩用金刚石有序排列锯片的研制

本文叙述了金刚石均匀分布／有序排列的优越性,引用信息产业集成电路的先进制造技术与工艺研制成锯切花岗岩用金刚石有序排列锯片。对比实验表明,在相同胎体配方与工艺条件下,有序排列锯片的锯切效率比常规锯片提高20％-30％,锯切速度高达7m／min以上。在我国金刚石工具行业中采用与推广金刚石有序排列锯片将具有重大意义。     

Linear stone cutting tests with chisel tools for identification of cutting principles and predicting performance of chain saw machines

Different natural stone quarries are visited for collection of stone samples, determination of geological conditions, specifications and operational conditions of the chain saw machines and recording machine cutting performance with a data acquisition system. The samples are tested with a linear cutting test rig using chisel-type cutting tools with 0°, 15°, 30° and 45° sideways angles at different depths of cut and tool spacings, to determine stone cuttability, cutting characteristics of chain saw machines and effect of unsymmetric and symmetric sideways angles and different cutting patterns on cutting performance (tool forces, specific energy, optimum cutting geometry). A deterministic model is suggested for predicting performance of chain saw machines using the results of linear stone cutting experiments, and the laws of kinematics. The results of experimental studies and in-situ investigations indicate that the cutting action of chain saw machines can be successfully simulated by linear cutting experiments and the suggested model is proven, though requiring some additional study, to be a useful and reliable tool for selection, design, and performance prediction and optimization of chain saw machines.     

Diamond wire sawing in ornamental basalt quarries: technical,economic and environmental considerations

The market interest in ornamental rocks commercially referred to as “stones” has grown significantly in recent years, particularly regarding basalt. This has resulted in the widespread use of diamond wire equipped with sintered diamond beads for precision sawing in basalt quarries, especially those located in the industrialized countries; it also has the advantage of preventing rock damages. Diamond wire has been widely used in up-line cutting and other sawing works in both marble and granite quarries for decades; therefore, performance data about the use of this tool on these two different types of rocks are widely documented in academic literature. However, for basalt sawing, information pertaining to the use of diamond wire is unavailable due to various reasons, but mostly because of to its relatively recent introduction in the basalt quarries and also to the historical low market demand for processed basalt in the past. This study offers a possible solution to this lack of information and provides a technical, economic and environmental assessment of diamond wire used in quarrying basalt for ornamental purposes. After an overview on the state of the art of diamond wire and on the final use of processed basalt, the study describes the experimental plan and the results. These show a tool yield much higher than those measured when diamond wire is used on other silicate dimension stones (e.g. granites). Moreover, the composition of basalt sawdust (sludge) has been analysed in the laboratory and has indicated the absence of polluting materials related to tool wear; therefore, basalt sludge, which is made of water and micronized basalt, can be used as a secondary raw material for the environmental restoration of the area or for any other purpose. Further research on other lithotypes is also proposed.

     

青白颗粒的花岗石锯切工具及锯切工艺参数的研究

本文在分析花岗石基本成分的基础上,合理设计刀头配方,并严格控制烧结工艺制造金刚石锯片。通过锯切试验,得到了锯切某花岗石较佳的工艺参数及使用条件,以此来指导企业高效生产;在很大程度上,对刀具锯切效率和寿命所造成的影响因素中锯切设备的工艺参数及使用条件超过了刀头本身质量。     

弧面石材垂直往复式锯机特性分析

本分析了锯切弧面石材的HSJ—I型垂直往复式锯机工作原理、结构及性能的特点，地解决了弧面石材的锯切加工，对于中小型石材加工厂具有使用价值。     

Analysis of bead wear in diamond wire sawing considering the rock properties and production rate

Bulletin of Engineering Geology and the Environment - Predicting the wear rate of diamond beads in the diamond wire sawing process is one of the most important factors in the optimized design and...     

金刚石刀头焊缝"冒泡"问题的分析与解决

本文通过对无过渡层的金刚石刀头进行焊接时,出现焊缝＂冒泡＂的异常情况进行分析,并结合分析采取相应的措施,最终找到有效解决问题的方法,这一方法对实际生产有重要的参考价值.