对磨球的合理选择和应用提出看法。
Views on the proper selection and uses of balls are also pre- sented.
磨球的耐磨性与自身硬度和磨料硬度有关；
The wearability of mill balls is connected with hardness of the balls and abrasive.
金属型球铁磨球凝固时存在非平衡异晶相。
There exists non-equilibrium abnormal crystal in nodular iron of metal mould during the solidification of grinding ball.
行星球磨机中磨球的运动规律主要由离心力决定。
The movement law of the grinding balls in planetary ball mill is mainly determined by centrifugal force.
介绍了奥氏体基高铬铸铁磨球的生产工艺和要点。
The paper mainly introduces production and applction of the austenitic high chromium cast iron grinding ball.
但磨球材质硬度越高，衬板材质耐磨性趋向于增高。
The wear-resistance, however, tends to increase with the hardness of grinding ball material.
采用合金化、金属型快冷手段获得铸态贝氏体白口铁磨球。
A kind of the grinding ball from bainite white iron as cast was achieved by alloying and metal molding.
用实验的方法进一步验证了高铬铸铁磨球具有良好的耐磨性能。
We prove that high chromium casting iron ball's relatively good wear-resisting performance further by way of experiment.
对球磨机中磨球的工作情况、受力情况及失效形式进行了分析研究。
The service condition, the strained status and the failure form of the grinding balls in mill were analyzed and studied.
利用彩色金相对过共晶和亚共晶球铁磨球五组试样进行了试验对比。
Five series ductile iron elements of hyper eutectic, hypo eutectic, eutectic have been tested using color metallograph method.
磨球的冲击功与球磨机直径、转速、脱离角、磨球直径和材质有关。
Impact work of grinding ball depends on the diameter and revolutions of mill, the release Angle, diameter and materials of balls.
为加速反应进行，可以在金属液体中加人与磨球成分相同的金属粉末。
To accelerate the reaction, some element powders with the same composition as the milling medium can also be added.
本发明公开了一种用于球磨机的低合金马氏体铸铁磨球及其生产工艺。
The present invention discloses a low-alloy martensitic cast iron grinding ball for ball mill and its production process.
在实验室条件下对中锰球铁磨球的成分、组织和性能进行了试验研究；
The Compositions, structures and properties of medium manganese S. G. iron grinding balls were investigated under conditions of laboratory.
研究了一种可用冲天炉生产的煤粉磨机磨球用低合金余热淬火耐磨铸铁。
A kind of waste heat treated low alloyed cast iron for making grinding ball in a coal grinder was studied.
为改善球铁磨球的显微组织及性能，球铁成分应控制在共晶或稍过共晶处。
In order to improve the micro-structure and the properties, the components of the nodular cast iron ball should be controlled in the point of eutectic or hyper-eutectic near the point of eutectic.
在高铬铸铁磨球生产上，一直存在磨球介质使用寿命短，性能不稳定的问题。
During the manufacturing of the high chrome cast iron ball, the issues like short life time of the ball medium and the unstable performance are always existing.
当磨机参数一定时，可根据计算的冲击功选择磨球材料，从而确定磨球的尺寸。
The ball material selection can be based the parameters of mill thereby working out the dimensions of mill.
内应力是造成高铬白口铸铁磨球在生产和服役过程中出现变异和失效的主要原因。
Variation and failure of the grinding ball of high chromium white cast iron during production and service are mainly caused by the internal stress.
针对常用磨球材质脆性大，耐磨性低，磨耗高，研制了多元低合金贝氏体铸钢磨球。
The multicomponent low-alloy bainitic steel grinding balls have been invertigated in accordance to normal grinding balls with high brittleness, low wear-resistance and high wearing-away.
正交试验表明四个因素的主次顺序为：磨球级配、球磨机转速、球磨时间、球料比。
The sequence of the factors was determined by orthogonal experiments: ball gradation, milling rotational speed, ball milling time, and ratio of ball to powder.
离心磨球的抗冲击磨损性能高于静力金属型磨球，并且在高冲击功条件下尤为显著。
The wear resistance of centrifugal cast grinding ball is higher than that of statically me…
传统工艺条件下，高铬铸铁磨球硬度与内应力成正比，常因内应力过大造成零件失效。
Under traditional technique conditions, it is direct proportion that hardness to internal stress, because of inside stress overload, high-Cr grinding ball is failed.
介绍了离心铸造磨球的工艺，以及转速、内浇口断面积计算方法和影响工艺过程的因素。
The technology of grinding ball by centrifugal casting, the rotational speed, the method for calculation of ingate area and factors influencing technological process were introduced.
这说明球料比的增加会因为改变磨球在球磨罐中的运动轨迹、有效碰撞而影响球磨效率。
It suggests that the increase of charge ratio causes the change of the milling balls' movement trail and collision efficiency, thereby reduces the ball milling efficiency.
本文从低铝合金磨球的性能入手，介绍了低铬合金铸球(段)在矿山湿式磨机的应用情况。
Beginning with the performances of the low-chromium alloy cast balls, the paper presents the advance in the application of low chromium alloy cast balls (sections) in wet grinding in mines.
成分设计对减少和改善内应力及其分布具有较大作用，它可促使磨球改性处理得到更佳效果。
Composition design can have great effect on reducing and improving the internal stress and its distribution, making it possible for grinding ball improvement treatment to achieve better effect.
高能球磨机的转速不会影响磨球与磨筒壁的脱离点，只会影响磨球对粉体的撞击力及撞击频率。
The ball mill′s rotational speed can only affect the impact force and frequency and has no influence on its separation point between balls and mill wall.
高能球磨机的转速不会影响磨球与磨筒壁的脱离点，只会影响磨球对粉体的撞击力及撞击频率。
The ball mill′s rotational speed can only affect the impact force and frequency and has no influence on its separation point between balls and mill wall.
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