加工方法

Aiming at the disadvantages of the present machining method of the propeller,such as lower machining precision and efficiency,needing more time of clamping and limited machining scope,a new machining method — the second order osculating machining method has been presented and used in the manufacture of the propeller ...

针对目前螺旋桨加工中存在的加工精度和效率较低、需多次装夹、适用范围有限等缺点，在分析螺旋桨桨叶曲面特征的基础上，提出了基于圆柱形刀具二阶密切加工螺旋桨的方法。

Aiming at the disadvantages of the present machining method of the propeller, such as lower machining precision and efficiency, needing more time of clamping and limited machining scope, a new machining method the second-order osculating machining method has been presented and used in the manufacture of the propeller by analyzing the curve surface characteristics of the marine propeller blade.

针对目前螺旋桨加工中存在的加工精度和效率较低、需多次装夹、适用范围有限等缺点，在分析螺旋桨桨叶曲面特征的基础上，提出了基于圆柱形刀具二阶密切加工螺旋桨的方法。

The requirement of machining technology of aspheric surface optics parts by NC machine with Nanosys--300 aspheric surface ultraprecision compound machining system for single point diamond turning is introduced.

介绍了用金刚石单点车削的方法在&Nanosys--300非球面曲面超精密复合加工系统&数控机床上加工非球面曲面类光学零件时对加工工艺的要求。

On the basis of the traditional processing methods of salty duck egg,preserved egg and hard boiled egg,the research focuses on optimizing the flavor and the color of the product and on reducing its processing time.

在借鉴咸鸭蛋、皮蛋和卤蛋传统加工工艺的基础上，对增加即食鸭蛋产品的风味、色泽以及缩短鸭蛋加工周期的方法进行了研究，制定了新型鸭蛋产品的加工工艺。

A lot of fieldworks have been done to collect the runtime data of the workshop in several famous shipyards. A survey is carried out among the workers and engineers to get the important information during practical production, such as production process, resource distribution, facility layout, etc. A simulate software named SSHM (Simulation for Ship Hull Manufacturing) is developed for the design of the automated ship hull manufacturing workshop by using object-oriented methodology. Analysis and Evaluation of productivity for the design project is also carried out.

在对几家大型造船厂的钢料加工车间的实地调研和考察之后，分析了某车间运行的实际情况；对该车间的主要的技术操作员和专家采用问卷调查的形式进行了咨询，获取了大量的实际生产过程的重要信息；对车间目前的工艺流程、资源分配、规划布局和实际生产过程的大量生产数据加以分析和整理：利用面向对象的方法建立加工车间的系统模型和仿真模型，开发了模拟钢料加工车间自动化生产的仿真软件SSHM (Simulation for Ship Hull Manufacturing)，并对仿真设计方案的生产效率进行了分析和讨论。

Along with operations of the turning, sharpping, drilling, milling and grinding, some new methods, technologies and processings such as overlap workpieces, improved cutting tool formes, workpiece charmfer, adjustment of cutting parameters and others to restrain and decrease burrs in size are developed, which have noticeable theoretical significance and wide practical value in the precision cutting, FMS and automatic machining.

结合车削、刨削、钻削、铣削和磨削等加工，开发出了斜置工件法，双主偏角刀具切削法、切削用量选择法、刀具几何参数调整法、工件叠加切削法、工件终端部材料脆化法、工件终端部倒角法、挡板切削法、刀具结构改进法和切削方式选择法等十数种抑制或减小切削毛刺的技术、工艺和方法，在精密加工、柔性制造系统和其它自动化加工中有较大的实际应用价值。

It has validated the system of high efficiency, safety, and stable quality. Zero- programming method can be used in NC process with fixed and limited parameters, such as gear grinding, gear shaper, and manufacturing of axis and disc parts.

零编程方法适用于编程参数和工艺参数固定、有限的数控加工，还可推广于齿轮加工的磨齿、插齿，以及轴类、盘类等零件的加工。

In order to solve the problems of which the spiral bevel gear of Oerlikon type is necessary to out and modify repeatedly, a new method was developed to predict the contact pattern and greatly reduce the cost for manufacturing by means of building a tooth

摘要为解决奥利康锥齿轮加工过程中需要反复试切、修正的问题，根据奥利康SKM2机床建立了加工延伸外摆线齿锥齿轮和准双曲面齿轮的齿面接触分析模型，提出了一种可预测齿面接触质量、降低设计加工成本的新方法。

According to the principles of tooth meshing and manufacturing helicoi ds, a mathematics model is constructed to reflect the manufacture process of nut , and the formula of the grinding wheel section is developed. The parameters of the section are obtained through numeral arithmetic; moreover the parameters of the dresser are worked out. Based on these work, the solid model of the ball scr ew nut, grinding wheel and tooth dresser are developed in the Pro/E software, wh at's more, the process of the dressing...

根据螺旋面加工原理、齿形啮合原理及回转面砂轮加工螺母工艺建立了相应的数学模型，并推导出砂轮截形的计算公式；采用数值计算方法求解砂轮截形参数，进一步得到修整器靠模板的参数；在此基础上，利用Pro/E软件对大导程滚珠丝杠螺母、砂轮和砂轮修整器进行了实体建模，并对砂轮的修整过程和螺母的加工过程进行了运动仿真，有效地验证了砂轮截形的计算结果。

In this article, the system transfer function is established by taking identification of system for oscillating tool carrier copying and cutting system which includes the cutting process. The method of improving the traceability and cutting accuracy of the copying system has been studied emphasis.

系统辨识在提高仿形加工精度中的应用黄耀志（福州大学机械工程系，福州，350002）摘要对包含切削过程在内的摇摆刀架仿形加工系统进行系统辨识，建立传递函数模型，重点研究提高仿形系统的跟踪能力和加工精度的方法。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。