The paper proposes a view of high-speed and compaction in favor of cutting comminution through researching theory of grain part.
通过对颗粒断裂理论的研究,提出了高速压紧条件下有利于物料粉碎的设计概念。
The cutting principles including cutting motion, cutting quantity, and grain performance of ultrasonic vibration honing are analyzed, and its specialities are generalized.
从切削运动、切削量、磨粒性能三个方面分析了超声波振动珩磨的切削机理,并归纳了超声波振动珩磨的特点。
The dry and high-speed cutting experiments are carried out to study the cutting performance of turning the Fe-based PM parts by using the fine grain cemented carbide inserts.
用细晶粒硬质合金刀具进行了铁基粉末冶金零件的高速干切削试验。
The main reason of ceramic tool Wearing is coming off the hard grain during the dry cutting of steel D60.
硬质相颗粒的脱落是干式高速车铣D60钢时金属陶瓷刀具磨损的主要原因。
Superalloys is a sort of hardly cutting material, the influence of grain refinement to machinability of superalloys was studied through contrasting different grain.
高温合金属于难加工材料,本文对比研究了高温合金样件晶粒度对其加工性能的影响。
Other factors should dampen prices, too. Livestock farmers are substituting cheaper feedstocks for wheat. The oil price is lower, cutting transport costs and demand for grain-based biofuels.
其它因素也让粮食价格得到了抑制。从事畜牧业的农民正用便宜的饲料代替小麦喂养家禽。较低的石油价格消减了运输成本同时降低了以粮食为基础的生物燃料的需求。
Rebounding crude prices, lower coal and grain inventories, and a cost-cutting regimen have all begun working in Union Pacific's favor since then, with the stock having risen 17.5% in the past year.
随着原油价格回升,煤炭和粮食库存下降,联合太平洋削减成本的措施收效明显,去年股价上涨了17.5%。
This process essentially involves cutting radial slices from the center of a log outward and yields wood with consistent grain and density that is resistant to warping in changing climates.
这一程序主要包括从圆木中心向外截取放射状的薄片,使之纹理和密度一致,从而在不同的气候中不易扭曲。
Features: with ultra-fine grain carbide material, it holds good milling and cutting performances, ensuring high efficiency;
特点:使用超细晶粒硬质合金材料,具有良好的铣、削性能,保证工作高效率;
The kinds and their properties of fine and ultrafine grain cemented carbides and cermet carbides are introduced in this paper. Some cutting test data are listed.
主要介绍了细晶粒与超细晶粒硬质合金和Ti(C,N)基与TiC基硬质合金的种类和性能,并列入一些试验数据。
The kinds and their properties of fine and ultrafine grain cemented carbides and cermet carbides are introduced in this paper. Some cutting test data are listed.
主要介绍了细晶粒与超细晶粒硬质合金和Ti(C,N)基与TiC基硬质合金的种类和性能,并列入一些试验数据。
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