查询词典 hay cutter

The main research content is: Using the experimental of cutting force and roughness of high speed face milling cutter and high speed end milling cutter mill aluminium alloy and cast iron, analyze the rules of the high speed milling velocity, feed rate per tooth, milling depth and milling width to high speed processing. Use multiple linear regression method, set up surface roughness and the cutting force fluctuation models. Certify the regression model notability, and provide a reliable guarantee for the accuracy of function optimization. Based on the targets of productivity, manufacturing cost, surface roughness, cutting force fluctuation optimization model, according to research of the high speed milling parameters selecting restrict of work piece, machine, tool and safety, set up high speed milling parameters multi-object optimization system.

本文以已有的高速铣削机理及高速刀具技术研究成果为基础，结合高速铣削试验，进行了基于遗传算法的高速铣削参数优化研究与系统开发，主要的研究内容为：通过高速面铣刀和高速立铣刀加工铝合金和铸铁等材料的切削力和表面粗糙度试验，进行了铣削速度、每齿进给量、铣削深度和铣削宽度对高速铣削加工过程影响的研究；采用多元线形回归的方法，建立了切削力及其振幅和表面粗糙度模型，并对模型的显著性进行验证，为高速铣削参数优化模型的建立奠定了基础。

The experiments showed that both rotary belt cutter and the jagged chain cutter can realize high speed cut with high ground speed, the former cut speed and operating speed can reach 17 m/s and 15 km/h separately, and the latter can reach 7 m/s and 13 km/h responsively.

试验表明，回转带式切割器和齿形链式切割器均可实现高速切割和高速作业，前者(来源：ABC55论文网www.abclunwen.com)的切割速度和作业速度分别达17m/s和15km/h，后者的切割速度和作业速度分别达7m/s和13km/h；工作平稳，割台振动小，割茬整齐，无撕裂、漏割、重割和堵刀现象；适于收割小麦、水稻等细茎秆作物和牧草。

Poultry Line:Chickencoop washer,Chickencoop conveyor,Anchor chain type auto conveying line,Baths type electric numb machine,Fluffy machine for duck and goose,Air-blowing type Immersion Scalding Device,Percolation type Immersion Scalding Device,Chicken headfeather shedder,"A"type feather shedder,Vertical combinatorial Feather shedder,Wax dip device,Coldp edwax,Chicken pawfeather shedder,Automatic paw cutter,Auto unhooking device,Spiral p-cooler,Carcass draining machine,Subdividing conveying line,Chicken paw dehuller,Gizzards cutter,etc.

家禽线：鸡鸭鹅笼清洗机、鸡鸭鹅笼输送机、锚链式各类自动输送线、水浴电麻机、鸭鹅用松毛机、汽鼓式浸烫机、喷淋式浸烫机、鸡鸭鹅头脱羽机、A型粗脱羽机、立式粗脱羽机、浸蜡机、冷蜡机、鸡鸭鹅爪脱羽机、自动切爪机、自动脱钩装嚣、螺旋预冷机、白条沥水机、分割输送线、鸡打爪机、剥胗机等。

Poultry Line: Chickencoop washer , Chicken coop conveyor , Anchor chain type auto conveying line , Baths type electric numb machine, Fluffy machine for duck and goose, Air-blowing type Immersion Scalding Device , Percolation type Immersion Scalding Device, Chicken head feather shedder ,"A" type feather shedder , Vertical combinatorial Feather shedder , Wax dip device, Coldpre edwax , Chicken paw feather shedder , Automatic paw cutter, Auto unhooking device, Spiral pre-cooler, Carcass draining machine , Subdividing conveying line, Chicken paw dehuller, Gizzards cutter, etc.

家禽线：鸡鸭鹅笼清洗机、鸡鸭鹅笼输送机、锚链式各类自动输送线、水浴电麻机、鸭鹅用松毛机、汽鼓式浸烫机、喷淋式浸烫机、鸡鸭鹅头脱羽机、A型粗脱羽机、立式粗脱羽机、浸蜡机、冷蜡机、鸡鸭鹅爪脱羽机、自动切爪机、自动脱钩装嚣、螺旋预冷机、白条沥水机、分割输送线、鸡打爪机、剥胗机等。

Based on the universal design formula for blade curve of isopitch of gyre milling cutter,the continuous isopitch blade curve of spherical cutter with protruding arc is deduced.

给出了回转铣刀上等螺距刃口曲线设计的通用公式，进而应用通用公式推出凸弧的球头铣刀上连续的等螺距刃口曲

Based on the universal design formula for blade curve of isopitch on gyre milling cutter,the continuous isopitch blade curve on spherical cutter with protruding arc is deduced.

给出了回转铣刀上等螺距刃口曲线设计的通用公式，进而应用通用公式推出凸弧的球头铣刀上连续的等螺距刃口曲线。

Socrates is astonecutter, and if the definition of stonecutter is a cutter of stones,Socrates is a cutter of stones.

苏格拉底是石匠，且若石匠是雕刻石头者，则苏格拉底是雕刻石头者。

Based on analysis of generation algorithms of cutter－ contact point trace in NC machining of sculptured surfaces,in this paper,a property on continuity of cutter－ contact point trace is suggested and proved.

在分析国内外关于自由曲面数控加工中刀位点轨迹生成算法的基础上，提出了一个关于刀触点轨迹连续性的命题并加以证明。

The results showed that the density of glandular trichome of mature leaves was lowest in lower leaves, the second in cutter leaves, and the highest was found in upper leaves.α-Duvatriene-4-ol,β-Duvatriene-4-ol,α-Duvatriene-4,6-diol and β-Duvatriene-4,6-diol were higher in cutter leaves than that in lower leaves by 282%, 240%, 48% and 80% respectively, while those in upper leaves were higher than that in lower leaves by 991%, 687%, 74% and 129%, respectively.

结果表明：不同部位成熟烟叶腺毛密度表现为下部＜中部＜上部；中部烟叶分泌物中的α-西柏三烯-4-醇、β-西柏三烯-4-醇、α-西柏三烯-4，6-二醇、β-西柏三烯-4，6-二醇的含量分别比下部烟叶增加了282%、240%、48%、80%，上部烟叶的上述四种分泌物的含量分别比下部烟叶增加了991%、687%、74%和129%。

HSS circular saw blade, miller cutter, trinal face cutter, wood working plane.

7G52 高速钢圆锯片，锯片铣刀，三面刃铣刀，木工刨刀。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。