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- For ZG1Cr18Ni9Ti and casting Ni-base alloy Hastelloy B, the effecting factors and critical cutting speed of thermoplastic shear instability and the character of thermoplastic shear band in cutting process are discussed. 主要讨论了ZG1Cr18Ni9Ti和镍基铸造合金Hastelloy B在切削过程中热塑剪切失稳的成因、临界切削速度以及热塑剪切带的特点。
- Keywords Vibrative Cutting Pulse Cutting Critical Cutting Speed Simple Harmonic Motion; 振动切削;脉冲切削;临界切削速度;简谐运动;
- critical cutting speed 临界切削速度
- Cutting speed influents chip dimension. 切削速度对切屑形状的尺寸大小有影响。
- But when the cutting speed crossed the critical value, increasing in the cutting speed caused slight decreasing in the surface... 但当切削速度超过某一定范围后,进一步提高速度,加工表面粗糙度的降低并不明显。
- Cutting speed, precision and consistency exceed quality standards. 其裁剪速度、精确度和裁片一致性都超过一般质量标准。
- Big cutter diameter, high cutting speed, good process quality. 刀具直径大，切割速度高，加工面质量好。
- There are many thingsthat should be considered in determining cutting speed. 在确定切削速度时,有许多因素应当考虑。
- Hard, strong metals require a lower cutting speed than soft and ductile materials. 硬度高而强度大的金属要求的切削速度比硬度小而韧性好的材料低。
- Robust construction, easy operation and fast cutting speed are among the feature of this machine. 本机结构坚固,操作方便,裁切速度快。
- The material of the gun reamer blade should meet the good abradability , the high cutting speed and the precision retentivity. 枪铰刀刀片材料选择应满足枪铰刀耐磨性好、高的切削速度、较好的精度保持性;
- The operation is labor-saving and simple, with low malfunction, strong cutting power and high cutting speed. 操作省力、简单、故障率低、裁断力强、裁断速度快。
- Automatic tracking the cutting speed: do not need to change the cutting angle if the glass ribbon speed changed. 切割速度自动跟踪：玻璃带速度发生变化，不需要改变切割角度。
- The effects of cutting speed and feedrate are taken into account in milling process control. 得出在高速切削铝合金过程中,随着切削速度的增加,刀具与工件接触区的温度变化存在二次效应。
- The relationships between the cutting speed and a incised workpiece of intension, thickness are analyzed. 通过试验，分析了被切割工件强度和厚度与切割速度之间的关系。
- With a cutting speed and a high efficiency,the stonecutter can improve the mining ratio of mines. 具有高效的切割速度，可提高矿山开采率。
- F.Planar double-enveloping speed reducer is used for paper cutting drive, fast cutting speed, low noise. F.;切纸传动采用平面二次包络减速机传动，裁切速度快，噪音更低。
- Semifinishing and finishing of cast irons,non-ferrors metals &alloys and non netallic materials at medium cutting speed. 适于铸铁、有色金属及合金、非金属材料中等切削速度的半精加工和精加工。
- She is a very discerning art critic. 她是位眼光敏锐的艺术评论家。
- I think the chastisement to him is too critical. 我认为对他的惩罚太严厉了。
