查询词典 seal cutting

The analysis shows that, blade vibration and torsional deformation is the mainly manifestations of the cutting mechanism head body ,the maximum deformation of the helical blade is 18.01mm, the maximum stress value in the welding of corner ,connection of end disk and helical blade is the weak link, helical blade is the main component, which effects the dynamic characteristics of cutting mechanism head body.

所得结论对于改进螺旋钻采煤机截割机构头体的设计、提高其动态性能和使用寿命具有一定的指导意义和参考价值。2、文章中部分措词需要修改，摘要翻译中文化，论文整体格式需要修改。3、数值模拟的约束条件有待商榷，对于结果应该对比实际试验和有关材料特性表，更有说服力。

The machines have three functional heads: vibration cutter cutting head, fold line wheels, drawing pens capable of cutting corrugated paper, gray board paper, white card paper, plastic sheets, composite materials, cloth materials, leather materials, etc at 15mm or below.

机器有三个功能头：震动刀切割头、压折线轮、绘图笔、可切割15mm以下的瓦楞纸、灰板纸、白卡纸、胶片、复合材料、皮料、布料等，台面板可选择进口纤维板或胶板。

The machines have three functional heads: vibration cutter cutting head, fold line wheels, drawing pens capable of cutting corrugated paper, gray board paper, white card paper, plastic sheets, composite materials, cloth materials, leather materials, etc at 15mmbelow.

机器有三个功能头：震动刀切割头、压折线轮、绘图笔、可切割15mm以下的瓦楞纸、灰板纸、白卡纸、胶片、复合材料、皮料、布料等，台面板可选择进口纤维板或胶板。

The features and the performances of the longitudinal cutting head and the transverse cutting head of the heading machine are compared in view of the problems in use.

针对掘进机纵轴式截割头和横轴式截割头在使用中各自存在的问题，使用比较的方法对掘进机纵横两种截割头的特点和性能进行了分析比较，发现两种截割头在不同的工作情况中有各自的优缺点。

Hences, production process needs systems, which can detect, indicate and remove abnomal states of cutting tool and cutting process. In recent decades, much research work has been done in this area. Many monitoring and in-process detection methods and systems has been developed.

由于现代化的加工设备必须具备越来越大的柔性，并实现自动化运行，为了保证经济性，必须避免机床故障，因此，生产过程中需要能够检测、指示和排除切削刀具和切削过程异常状态的监控系统。

Features: Self-sharpening tungsten steel cutting wheel Cast metal cutting head and end supports Twin 3/4 in. diameter chromed steel guide bars Gray Melamine baseboard (7/8 in. thick x 12 in. wide) Printed grid, inch and metric, with 1/4 in. grid lines Transparent clamp strip holds material firmly Aluminum side rule calibrated in inch and metric Adjustable cursor for repeat cuts Cuts in both directions Replacement Rotary Blade is also available.

特写：自锐化钨钢切削轮铸造金属切削头和支持双结束3 / 4英寸直径铬钢指南酒吧灰色三聚氰胺基板（ 7 / 8英寸厚× 12英寸宽）印刷网，英寸和度量，与1 / 4英寸的网格线透明带夹子的材料坚决持有铝校准方面的规则和公制英寸可调光标重复裁员削减两个方向旋转更换叶片也可。

New available materials in cutting tools for casting iron are carbide tool , ceramic cutters, cermet cutters and ultrahard cutting tool.

介绍了选择铸铁切削用刀具需考虑的因素，可用于不同牌号铸铁的切削用刀具新材料有硬质合金刀具、陶瓷刀具、金属陶瓷刀具和超硬刀具。

Assisted gas such as N2, and air has little effects on the kerf, therefore air should be selected in view of lower cost. Uniform cut kerfs can be achieved with lower cutting speed under certain laser power or higher laser power at a certain cutting speed.

辅助气体N2和空气对上下切缝的影响不大，从经济角度应优先选择空气；为了得到上下均匀一致的切缝，同一激光功率下，切割速度应小些，而同一切割速度下，激光功率应大些。

Both ends of the die cutting knife vrachyaxis are used with hole Loy, wood box fixed to prevent transportation die-cutting knife inter-articular in the box.

模切刀两头的长轴需不分别用带孔的木块套上，木块在箱边固不退，制止输送洋模切刀在箱边移位。

The main tool for paper cutting is scissors, The engraving knife is another tool used in paper cutting.

剪纸的主要工具是剪刀，刻刀是另一个剪纸工具。

However it can often be frust ating for a child when people are unable to pronounce their name.

但它往往可以令人沮丧的一个孩子当人们无法断言他们的名字。

All these compounds were obtained from this genus for the first time. Compound, 4-cumylphenol, was a new nature product.

所有化合物均为首次从本属海藻中分离得到，其中4cumylphenol为新天然产物。