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1)  fully mechanized caving face
轻放工作面
1.
The mining of fully mechanized caving face in the large-angle construction is realized.
在大角度俯采条件下,以23123轻放工作面为例,对回采过程中存在的问题进行分析,并提出解决办法,成功实现了轻放工作面的大角度俯采,并为类似地质条件的煤层开采提供了借鉴经验。
2)  blasting caving face
炮放工作面
1.
28041 blasting caving face,three kinds of crossing the fault projects are established.
针对28041炮放工作面的断层情况,研究、制定了三种过断层方案,分别论述了其优缺点。
3)  fully mechanized caving face
综放工作面
1.
Analysis on the reliability of mining system of fully mechanized caving face in complex geological conditions;
复杂条件综放工作面生产系统可靠性分析
2.
Comprehensive gas control in high production and high efficient fully mechanized caving face of Tangshan mine;
唐山矿高产高效综放工作面瓦斯的综合治理
3.
Dynamic numeric simulation of coal self-ignite in goaf in fully mechanized caving face;
综放工作面采空区煤自燃过程的动态数值模拟
4)  fully mechanized top-coal caving face
综放工作面
1.
Mechanical characteristics of fully mechanized top-coal caving face and surrounding rock stress shell;
综放工作面及其围岩宏观应力壳力学特征
2.
The reliability analysis of the velocity ratio of coal cutting to support moving in fully mechanized top-coal caving face;
综放工作面采支速度比的可靠性分析
3.
Numerical simulation of distribution regularities of dust concentration in fully mechanized top-coal caving face;
综放工作面粉尘浓度分布规律的数值模拟
5)  fully mechanized sub-level caving face
综放工作面
1.
Research of the prediction on production capability of fully mechanized sub-level caving face;
综放工作面生产能力预测研究
2.
5201 fully mechanized sub-level caving face in Wangzhuang Coal Mine of Lu'an Mining Group, and based on the successfully retaining of small section entry along gob side, the method of J-shape ventilation system and its regulating technology were put forward for controlling high gas emission at fully mechanized sub-level caving face.
根据潞安王庄煤矿5201综放工作面实际条件,在成功实施沿空小断面留巷的基础上,提出了综放采场J型通风系统治理高瓦斯涌出的方法及其调控技术。
6)  caving coal face withπtype beam
π放工作面
1.
Aimed at the characteristics of gas gush at caving coal face withπtype beam,on the basis of anayl- izing the consitution of gas gush source,the comprehensive management measures with reasonable wind distri- bution,gas drainage of roof strike drilling holes are carried out.
富力煤矿针对π放工作面瓦斯涌出特点,在分析瓦斯涌出的来源和构成基础上,对π放工作面实施合理配风、顶板走向钻孔抽放瓦斯的综合治理措施,确保了工作面高产高效。
补充资料:凹模、凸凹模工作型面加工工艺过程
1)备料。 n
    2)锻造。锻成长方形的坯料(每件留长工艺夹头)。 n
    3)热处理。退火。   n
    4)铣(刨)削。铣(刨)削六面成长方形模块。 n
    5)磨削。磨削上、下两端面及相邻两侧面,用90。角尺测量相邻两面的垂直度。 n
    6)钳工加工。用平板和划线盘按图划线,并打样冲眼;用钻头钻螺纹底孔;用圆柱销孔的预孔;用钻头钻挡料销让位孔;用钻头在中心处钻穿丝孔等;正、反面孔口倒角;凸凹模用钻头孔扩,保证刃口高度;攻螺纹;铰孔。n
  7)铣削。平口钳装夹工件;用的立铣刀铣削型孔至尺寸,保证深度。 n
   8)热处理。凹模工件淬硬至HRC60~64,凸凹模工件淬硬至HRC58~62。 n
   9)平磨。磨上、下两端面及相邻两侧面,用90。角尺测量相邻两面的垂直度至图要求;退磁。 n
   10)线切割。按图编制线切割程序,切割模型孔成形,留单面研磨余量0.005 mm。 n
   11)钳工加工。研光线切割面: n
   12)检验。 n复合冲裁模的装配应选择凸凹模作为装配基准件,先装下模部分,后装上模部分
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