查询词典 machining

Wisecraft was established in 1985.Main products are hole saw, hacksaw frame,screwdriver bits, machining parts, drills and handtool kits, plastic products.

光华实业 Wisecraft 9B82(E4B82)光华实业成立于1985年，是一家集孔锯，塑料制品，螺丝批头，五金制品，钻头及手工具组套等产品的生产和贸易相结合企业。

It is feasible to develop the research of ultra-smooth free-form surfaces machining technologies on the basis of the platform of robot.

开展基于机器人平台的超光滑自由曲面加工技术的研究是可行的。

With the rapid development of NC machining technology, the NC generative technologies for free-form surfaces is found more and more important.

随着数控加工技术的飞速发展，人们越来越重视开展自由曲面的数控创成技术的研究。

However own to high friability, the PCBN tool is easy to be broken in cutting process, which reduce machining process reliability greatly, and result in large economic loss for its high cost.

但由于PCBN刀具的脆性较大，在加工中易出现破损现象，大大降低了加工可靠性，并且PCBN刀具本身成本较高，破损后会造成较大的经济损失。

While carrying out simulative program design for hobbing machining,the most difficult point is the description and modelling on the relationship between the cutter and gear blank both in space and in motion,especially the modelling of motion relation between cutter and gear blank in case there exists factors of error.

在进行滚齿的切削仿真程序设计中，其中最大的难点是对刀具和轮坯的空间关系和运动关系的描述和建模，尤其是存在误差因素时对刀具和轮坯之间运动关系的建模。

Automatic Programming for NC Machining of Gear Indexing Cam with Smaller Cutter;2. Study on the Technologies of Computer-aided Designing and Programming of Gear Indexing Cam

本文结合弧面分度凸轮加工的工程实际，以微分几何和空间曲面啮合理论为工具，对弧面分度凸轮机构的传动规律、啮合原理和数控加工进行了系统的研究。

By using the profile modeling machining equipment of helix angle, a new method about grinding rake face of gear cutter hob on tool grinder is presented.

提出一种用螺旋角仿形加工装置在工具磨床上刃磨齿轮滚刀前刀面的方法。

A cutting tooth equipment is added in on general NC milling machine, machined screw bevel wheel is linked to dividing head, gearwheel is install on chuck, then, NC machining of screw bevel wheel can be realized with sequential evolutional method.

在普通数控铣上增加一铣齿装置，把被加工螺旋锥齿轮与分度头相连，大齿轮直接装在卡盘上，采用连续展成法实现其加工。

Elaborated the punching components formation principle, the basic dies structure and the rate process and the principle of design; and designed some conventional punching die:the die for big diameter three direction pipe which solved the problom of traditional machining,the drawing and punching compound die with float punch-matrix,the drawing and cutting compound dies with unaltered press,the compound die for the back bowl of the noise keeper,the design of the compound die which could produce two workpieces in one punching,the bending die for the ring shape part ,the bending die which used the gemel ,automate loading die for cutting, the drawing,punching and burring compound dies with sliding automated loading,the punching die for the long pipe with two row of hole,the drawing die for the square box shape workpiece and the burring die for the box shape workpiece.

本文对冷冲压技术的分类、特点及发展方向作了简略概述；论述了冲压零件的形成原理、基本模具结构与运动过程及其设计原理；对典型的冲压件模具进行了设计：大直径三通管冲压复合模设计解决了大直径三通管的加工难题、带有浮动凸凹模的拉伸冲孔复合模设计、适力压边式落料拉伸切边复合模设计、消音器后补碗落料、拉深、冲孔、翻边复合模设计、一模两件落料拉伸冲孔翻边复合模设计、环形弯曲件的模具设计、铰链卷圆成形工艺及模具设计、半自动送料切角装置设计、滑板式送料拉深、冲孔、翻边模设计实现自动送料、长管多孔冲模设计、带凸缘台阶方盒形零件拉深模和盒形件侧壁小孔翻孔模。

Elaborated the punching components formation principle, the basic dies structure and the rate process and the principle of design; and designed some conventional punching die:the die for big diameter three direction pipe which solved the problom of traditional machining,the drawing and punching compound die with float punch-matrix,代写医学论文,the drawing and cutting compound dies with unaltered press,the compound die for the back bowl of the noise keeper,the design of the compound die which could produce two workpieces in one punching,the bending die for the ring shape part ,the bending die which used the gemel ,automate loading die for cutting, the drawing,punching and burring compound dies with sliding automated loading,the punching die for the long pipe with two row of hole,the drawing die for the square box shape workpiece and the burring die for the box shape workpiece.

本文对冷冲压技术的分类、特点及发展方向作了简略概述；论述了冲压零件的形成原理、基本模具结构与运动过程及其设计原理；对典型的冲压件模具入行了设计：大直径三通管冲压复合模设计盖世了大直径三通管的加工难题、带有浮动凸凹模的拉伸冲孔复合模设计、适力压边式落料拉伸切边复合模设计、消音器后补碗落料、拉深、冲孔、翻边复合模设计、一模两件落料拉伸冲孔翻边复合模设计、环形弯曲件的模具设计、铰链卷圆成形工艺及模具设计、半自动送料切角装置设计、滑板式送料拉深、冲孔、翻边模设计实现自动送料、长管多孔冲模设计、带凸缘台阶方盒形零件拉深模和盒形件侧壁小孔翻孔模。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。