Using the fuzzy theory, the optimum design for structural parameters of spiral cutting drum of shearer was discussed.
运用模糊理论对采煤机螺旋滚筒结构参数进行了优化设计。
The spiral cutting grinder has the beneficial effects that the motor has small operational energy consumption and the cut material has uniform granularity.
其效果是电机的工作能耗小，切割后产生的物料粒度均匀。
However, this approach can backfire if it triggers a price-cutting spiral.
然而事与愿违的是，这条途径可能引发商家竞相降价。
The hot zone is formed by cutting a double spiral slot which reduces the cross sectional area through which current flows, resulting in higher resistance than the cold end.
发热部是双螺旋切槽，在电流通过时可以减少其横截面积，因而发热部的阻值比冷端部的阻值大。
It is discussed the application mode of PECF on the spiral bevel gear based on the research above and the principle and characteristic of precision cutting of spiral bevel gear.
在上述研究的基础上，结合螺旋锥齿轮的精切齿原理及特点，探讨了脉冲电化学光整加工在螺旋锥齿轮上的应用模式。
Can the grinding straight before cutting blade and hilt taps before, spiral taps block block before.
可修磨直柄丝锥前切削刃和前切削面，螺旋丝锥前切削面。
The model includes of important characteristics of drill bit and drilling operation, i. e. sectional geometrical property of drill, spiral Angle, speed and cutting force created during drilling.
该模型包括了钻头以及钻削操作的重要特性，即钻头的截面几何特征、螺旋角、转速和钻削过程中产生的切削力。
Based on an analysis of gear cutting principle and basic motion of klingelnberg spiral bevel gear, the modeling is carried out by taking parameters of a gear pair as example.
在分析克林·贝格螺旋锥齿轮切齿原理和基本运动的基础上，以一对齿轮副参数为例进行建模。
Spiral knife body, cutting is brisk, adjustment is simple.
螺旋刀体，剪切轻快，调整简单。
According to the result of interference test, the cutting tooth parameter is adjusted till the satisfied spiral bevel gear pair was acquired.
根据干涉结果对螺旋锥齿轮的切齿参数进行调节，直至得到比较满意的螺旋锥齿轮副。
The machine is consist of feeding system, extruding system, cutting system, heating system, transporting system nd cooling system, which adopts advanced spiral rod technology.
该机由供料系统、挤压系统、旋切系统、加热系统、传动系统、冷却系统组成。
At present, each sectionalization of large-scale spiral case is produced by NC cutting according to the outstretched plane of the curve of the sectionalization.
目前，大型水轮机金属焊接蜗壳各分节大多采用按各分节平面展开线轮廓进行数控切割加工。
They then lay the blocks on their edges to form a circle, cutting them to size as they go, so that the end result will be a narrowing spiral.
再把雪块铺在他们盖屋子的地点围成一个圆圈，修整到需要的尺寸大小，最后形成窄小的螺旋形。
The paper presented the theory and method for the ultrasonic lapping of spiral-bevel and hypoid gears and analyzed its insensitive vibration cutting mechanism.
提出了超声研磨螺旋锥齿轮的理论与方法。分析了超声研齿不灵敏性振动切削机理。
For spiral bevel gears' formate gear, using proper figurate cutting tool and generic CNC machining center, the gear's hard tooth-surface can be milled with high speed.
螺旋锥齿轮副的成形法大轮，利用合适的成形铣刀，在通用的立式加工中心上，可以实现热处理后硬齿面的高速铣削。
This paper analyzes the structure and characteristic of mini spiral face impeller, and introduces a new method by the use of milling machine and special cutting tool.
分析了微型螺旋面叶轮的结构和工艺特点，介绍了应用高精度万能铣床和特殊刀具加工该种叶轮的方法。
So the paper not only seems useful to deep-sea cobalt crust mining, but also offers a new design method and powerful tool for traditional spiral drum cutting head's parameters designing.
因此，本论文不仅对开发大洋钴结壳等矿产资源具有十分重要的意义，同时它也为传统的螺旋滚筒式采矿头参数设计提供了一种新的设计方法和有力的手段。
Usually there are three methods can be used to machine the spiral flute of twist drill, such as cutting, torsion, grinding.
通常普通麻花钻的螺旋槽加工有三种方式：切削加工、扭制加工和磨削加工。
Spiral chip flute and helical cutting edge insert design, stable cutting condition, safety and reliability.
螺旋刃刀片设计，切削平稳，安全可靠。
Based on the local synthesis method, the tooth cutting of non-zero modified spiral bevel gear was researched.
借助于局部综合法，研究了非零变位弧齿锥齿轮的切齿设计。
The granularity of cobalt-rich crusts is an important index to evaluate the crushing effect broken by spiral-cutting head, it is also the design gist of collecting and lifting system.
钴结壳破碎块度是衡量螺旋滚筒式采矿头破碎效果的重要指标，也是集矿和扬矿系统的设计依据。
The gear cutting machines with single tilt mechanism, such as the TAN-A9 machine, are intended only for cutting the spiral bevel and hypoid gears with teeth of constant depth.
诸如TAN-A9这样的单刀倾切齿机床过去仅用于加工等高齿弧齿锥齿轮和准双曲线齿轮。
Based on up-to-date design theory and method of spiral type cutting drum for a shearer, the authors apply fuzzy theory to optimum design of structural parameters of the drum.
综合现代采煤机螺旋滚筒设计理论和方法，将模蝴理论应用于螺旋滚筒结构参数的优化设计、能充分考虑影响载荷波动的各种因素的模糊性。
This paper sets up an instantaneous cutting force model for a spiral cylinder cutter by analyzing the linear relationship between micro-unit milling force and instantaneous uncut chip thickness.
应用微分几何理论，给出了圆锥螺旋铣刀几何特性，据此导出了三维非线性铣削力模型，继而采用非线性规划识别切削力系数。
This paper sets up an instantaneous cutting force model for a spiral cylinder cutter by analyzing the linear relationship between micro-unit milling force and instantaneous uncut chip thickness.
应用微分几何理论，给出了圆锥螺旋铣刀几何特性，据此导出了三维非线性铣削力模型，继而采用非线性规划识别切削力系数。
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