结果表明,该方法可以有效提高cnc机床的成形精度。
Experimental results show that the new system is very effective to improve upon the contoured accuracy of CNC machine tool.
实践证明此模具结构合理,操作方便,产品成形精度好。
Practice proved that the structure was reasonable, operation was convenience and product quality was good.
本文系统地研究了平底和球面圆筒形件充液拉深成形精度。
The forming accuracy of flat and round bottomed cylindrical shells formed by hydraulic counter pressure deep drawing is investigated.
但由于骨组织的复杂性,使成形精度的提高还存在诸多问题。
However, due to the complexity of bone tissue, there are many problems in improving the forming accuracy.
通过成形实验,探讨了几种不同聚合物材料的成形精度规律。
Then the forming accuracy rules of several different polymers are under investigation by real building experiments.
板料厚度大,不易起皱,但壁厚减薄率大,因而成形精度不高。
The thick blank is difficulty wrinkled, but the blank thinning is larger and result in a low forming precision.
金属件成形精度和密度是快速成形技术在工业应用中的关键问题之一。
The precision and density of metal parts iso ne of the key problems in the application of rapid prototyping technology to Indus try.
间接法能够根据板料实际加工状态及时调整特征方程,提高了成形精度。
Indirect method can adjust the characteristic line equation in time based on the status of practical process, thus the forming precision can be improved.
模具型面补偿方法可以很好的控制曲面形状误差,满足成形精度的要求。
The tooling compensation method can reduce shape error and improve the shape quality of products.
本文提出了采用微处理机控制,提高NC机床成形精度的理论模型与实现方案。
This paper deals with the theoretical and experimental investigation concerning the improvement of NC machine tool contouring accuracy by means of microprocessor-based control scheme.
经实际加工验证,该预测值能够较好地补偿零件成形回弹,提高零件成形精度。
Through the actual verification, the predictions are satisfied with forming and spring-back of compensation parts, to improve the forming precision of parts.
它直接影响弯曲件的成形精度,因此需要设法减小其对弯曲成形精度的不利影响。
In sheet metal forming, the springback can affect the precision of the formed part directly, and some approaches must be used to minimize those undesirable effects.
由于叶片形状复杂,零件成形精度高,因此,对于叶片模具的制造需要更高的精度。
Because the shape of blade is complex and the forming precision is very high, the die making needs more high precision.
为了保证精铸件的成形精度,制造所用的模具型腔必须对铸件的收缩变形进行补偿。
In order to ensure the forming accuracy of castings, it is necessary to consider the compensation for the shrinkages in the mould cavity for turbine blades brought by the solidification process.
薄壁管数控弯曲中带芯头的柔性芯模是提高薄壁管件成形极限和成形精度的关键因素。
The mandrel(including flexible balls) is the key to improving the forming limit and forming precision in thin-walled tube NC bending process.
对比了多点拉弯件的轮廓曲线和目标轮廓曲线,验证了多点拉弯成形技术的成形精度。
The shaping accuracy was validated by comparing the target of curve with the outline curve on the formed parts.
然而,昂贵的设备价格、有限的功能和成形精度,不同程度地制约着RP技术的推广普及。
However, the spread and development of RP techniques are hindered to some extent by limited function and expensive cost of equipment and low accuracy of prototype part.
研究表明,SLS快速成形的双闭环控制能够获得较好的控制稳定性并能进一步提高原型件的成形精度。
The investigation shows that the dual-closed-loop control for SLS rapid prototyping can obtain fine control stability, and can improve the accuracy of prototyping parts.
叶片形状复杂,零件成形精度高,采用精锻技术生产叶片是航空发动机生产企业采用的先进制造方法之一。
Since the structure of blade is complex and the forming precision is very high, the precision forging die becomes one of the advanced technologies used in aeroengine manufacture.
熔滴变形情况直接影响零件的成形以及成形精度,所以对熔滴的形态变化进行精确控制是该工艺的关键和难点。
The key and difficulty of the technique is to control the fused drop's deformation accurately, because it influenced the part forming and precision directly.
回弹是弯曲成形中普遍存在的现象,实践证明采用拉弯工艺可以有效地减小回弹,从而达到提高成形精度的目的。
Springback is a common phenomenon in bending process. It has been proved that stretch bending can decrease the springback effectively, which can improve the forming precision.
采用成形铣削加工叶轮型面,保证了加工精度,提高了生产效率。
The application of process of vane wheel profile forming can ensure the machining accuracy and improve the productive efficiency.
轿车上的直齿圆锥齿轮尺寸精度与产品质量要求很高,难以采用常规的塑性加工技术成形。
Straight bevel gears used in car differential have strict requirements for dimensional precision and quality, it is difficult to form accurately them by the traditional forging techniques.
针对板料成形回弹精度问题的数值模拟,从理论上分析了凸模虚拟速度和板料虚拟密度对薄板变形能的影响。
For the simulation accuracy of springback problem in sheet metal forming, the effect of punch virtual velocity and sheet virtual density on the sheet strain energy was studied in this paper.
精密成形时弹性变形是影响锻件尺寸精度的重要因素。
Elastic deflection is an important factor to influence the accuracy of the formed component in precision forming.
对于非椭圆截面曲臂的大型曲轴,其模具结构设计对曲轴成形后的形状尺寸精度影响极大。
The design of die structure has much influence on shape dimension and precision of the formed crank-arm with a non elliptical section.
焊道搭接量对保证三维堆焊成形过程的顺利进行以及成形件的精度都有较为重要的影响。
The lapping amount of bead is critical not only for the trouble-free operation of three-dimensional welding, but also for the forming accuracy.
成形砂轮的形状精度直接影响工件表面的加工质量。
The shape precision of form-grinding wheel can directly affect process quality of work-piece surface.
激光切割作为一种先进的制造技术,因其具有高速度、高精度、柔性切割、异型加工、快速成形等特点而在制造行业得到广泛应用。
As an advanced method of fabrication, the laser cutting process has been widely used in manufacturing, for such merits as high cutting speed, high degree of accuracy, flexibility and shaping quickly.
激光切割作为一种先进的制造技术,因其具有高速度、高精度、柔性切割、异型加工、快速成形等特点而在制造行业得到广泛应用。
As an advanced method of fabrication, the laser cutting process has been widely used in manufacturing, for such merits as high cutting speed, high degree of accuracy, flexibility and shaping quickly.
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