分析滚筒截齿的载荷特点，揭示滚筒的飞轮效应。
The load feature of bit on cutting drum is analyzed, and the flywheel effect of shearer is discovered.
该研究对不同截深处截齿的安装布置提供了理论依据。
The study would provide theoretical basis to the layout of the cutter installation at different cutting depth.
采煤机截齿截割煤体时，截齿承受随时间而变化的动载荷。
The cutter of the coal mining machine bears dynamic load varying with time during excavating coal.
试验结果表明：相同截深时锥形截齿截割力比扁型截齿截割力大；
Results showed that: in the same cutting depth, the force employed on the point-attack pick is bigger than that on the knife tooth;
本文所述采煤机截齿刀体温挤压精密成形技术完全克服了上述缺点。
The patent technology for cutting pick body warm extrusion introduced can overcome all the disadvantages mentioned above.
通过井下采煤对比试验，分析了镶铸截齿与锻造针焊截齿的损坏特点。
The damage styles of cast-in cutting pick and hard-solder forging cutting pick are analyzedaccording to the comparing experiment under coal mining well.
对等离子梯度冶金成型技术制备的截齿刀头组织结构与性能进行了分析。
The structure and properties of the cutter produced by DC-plasma gradient metallurgy technology were investigated.
根据煤岩体的抗压强度，给出了镐形截齿破煤过程中截割力的计算公式。
According to the compressive strength of coal rock mass, the paper provided the calculation formula of the pick cutting force during the coal cutting operation.
采用白光数字散斑相关的方法，观测截齿截割作用下的煤体变形破坏情况。
To adopt white light digital speckle correlation method, so as to observe the coal body's deformation and destruction law in pick cutting course.
通过对截齿排列的研究，介绍了滚筒智能优化CAD软件中切削图的绘制。
The paper introduces the cutting drum intellectualized CAD software based on the research of the picks-lacing.
通过对采煤机截齿截煤过程中的受力分析，建立了采煤机截齿的力学模型。
Through analysis of the force of shearer pick in the mining process, the mechanics model of shearer pick is built.
分析横轴式截割头摆动截割时截齿的运动轨迹，建立了其几何模型和运动方程。
By analyzing motion orbits of picks when a horizontal cutting head cuts, geometry models and motion equations are set up in the paper.
介绍一种截割头的设计方法，它能够准确、有效地实现截齿及齿座安装定位设计。
The paper introduces a design method of cutting-head, which can exactly, effectively carry out the attaching design of bits and bit-holders.
根据单个截齿的受力模型和计算公式，建立了采煤机滚筒力矩模型和载荷波动模型。
On the basis of mechanical model and formula of single bit, the moment model and load fluctuation model of shearer's drum are built.
给出了采煤机螺旋滚筒不均匀运动时截齿瞬时切削厚度计算的数学模型和程序框图。
The mathematical model and block diagram are presented to calculate the pick momentary cutting thick when the shearer drum is in the state of irregular motion.
在假设采煤机截齿为单自由度振动刚体的基础上，建立了采煤机截齿的动力学模型。
On the basis of the assumption that shearer pick is the single free degree vibration rigid body, the kinetic model of pick shearer is built.
根据煤的崩落性质，研究了截槽形状与煤的块度、截煤阻力及截齿的切削效率等关系。
According to coal breakout feature, the author has studied the relationship between cutting groove shape and the lump of coal and cutting resistance as well as cutting efficiency.
我公司为广大用户提供各种旋挖配件，包括各种斗齿、截齿、齿座、中心尖、提引器等。
Pangolin provide customers with a variety of rotary drilling accessories, including bucket teeth, tooth Block, the center point, to mention inducer.
所得结论对于改进刀形截齿的设计，进一步提高其截割性能和截割效率有一定的指导作用。
The obtained got conclusions may be used to improve the design of the pick, enhance further the cutting performance and benefit the pick.
用真空溅射镀膜技术在掘进机截齿上镀碳化钛膜，使其硬度明显提高，寿命延长3～5倍。
TiC membrane-plated on the pick of heading machine, the hardness is improved, and the work-life is lengthened for 3~5 times.
介绍了镐形齿的几何形状、材料、工艺及截齿的配置等情况，并对其可靠性及寿命进行了分析。
The geometry, material, processing and arrangement of pick are introduced, and the reliability and the life are analyzed.
采用镶铸工艺，使硬质合金与截齿体之间产生熔合层，解决了硬质合金与截齿体之间的结合问题。
By means of cast-in process, a fusion layer is formed between the hard metal and the matrix. Therefore, the problem existing in the combination of hard metal and matrix is solved.
镶铸复合金属材料截齿是利用镶铸工艺，将铬系耐磨合金与抗冲击性能好的低合金钢一次浇铸成型。
The cast alloy steel bit-sharpener has been prepared by pouring the chrome abrasion resistance steel and the low-alloy steel with fine impact resistance one-step using cast-in technique.
采用等离子束表面冶金技术，在采煤机截齿磨损严重的部位制备了与基材呈冶金结合的铁基复合涂层。
The Fe-based composite coatings were deposited on the attrition spot of cutting pick by plasma jet surface metallurgy, and metallurgical bonding was obtained between the coating and the substrate.
根据矿用截齿的损坏形式、使用寿命，分析其失效的原因，为寻求出提高矿用截齿性能的技术途径提供参考。
According to mining damage to pick the form of life, analyzing the reasons for its failure to find a mining pick to improve the performance of the technical means to provide a reference.
对截齿截割煤体变形破坏过程的红外热像进行测量和研究，从而分析研究截齿截割作用下煤体变形破坏规律。
To make measure and research on the infrared hot image in the deformation and destruction course under the function of pick cutting in order to analyze the deformation and destruction law.
通过对硬质合金、截齿体材质、焊缝间隙、钎焊及热处理工艺的研究，寻找出了研制优质强力截齿的技术途径。
The technology of developing quality and strong pick is found by researching the hard metal alloy, pick-body material, weld gap, technique of braze welding and heat treatment.
本文对采煤机螺旋滚筒负荷的计算机模拟问题进行了研究。特别是对截齿负荷随机模拟的数学模型进行了深入探讨。
This paper researches into the problems of simulation for a shearer drum load by computer, in particular, studies the mathematical model of random simulation for a pick load.
本文对采煤机螺旋滚筒负荷的计算机模拟问题进行了研究。特别是对截齿负荷随机模拟的数学模型进行了深入探讨。
This paper researches into the problems of simulation for a shearer drum load by computer, in particular, studies the mathematical model of random simulation for a pick load.
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