在外觀及人機(jī)評價中的應(yīng)用

Application in appearance and man-machine evaluation

新產(chǎn)品開發(fā)的設(shè)計(jì)階段，雖然可借助設(shè)計(jì)圖紙和計(jì)算機(jī)模擬，但并不能展現(xiàn)原型，往往難以做出正確和迅速的評價，設(shè)計(jì)師可以通過制作樣機(jī)模型達(dá)到檢驗(yàn)的目的。傳統(tǒng)的模型制作中主要采用的是手工制作的方法，制作工序復(fù)雜，手工制作的樣機(jī)模型不僅工期長，而且很難達(dá)到外觀和結(jié)構(gòu)設(shè)計(jì)要求的精確尺寸，因而其檢查外觀及人機(jī)設(shè)計(jì)合理性的功能大打折扣。

In the design stage of new product development, although the design drawings and computer simulation can be used, the prototype cannot be displayed, and it is often difficult to make correct and rapid evaluation. The designer can achieve the purpose of inspection by making prototype models. The traditional model production mainly adopts the hand-made method, and the production process is complex. The hand-made prototype model not only has a long construction period, but also is difficult to achieve the precise size required by the appearance and structure design, so its function of checking the rationality of the appearance and human-machine design is greatly discounted.

山東快速成型設(shè)備制作的高精度、高品質(zhì)樣機(jī)與傳統(tǒng)的手工模型相比較可以更直觀地以實(shí)物的形式把設(shè)計(jì)師的創(chuàng)意反映出來，方便產(chǎn)品的外觀造型和人機(jī)特性評價。

Compared with the traditional manual model, the high-precision and high-quality prototype made by Shandong rapid prototyping equipment can more intuitively reflect the designer's creativity in the form of physical objects, facilitating the product's appearance modeling and human-machine characteristics evaluation.

現(xiàn)在的快速成型加工得到的成型件都是單一顏色，顏色主要由材料決定，為了對產(chǎn)品色彩外觀進(jìn)行評價，有時需要手工涂色，隨著彩色成型技術(shù)的發(fā)展，這方面的問題可以解決。人機(jī)評價主要包括成型件尺寸及操作宜人性，快速成型可以很好地滿足這方面的要求。

The molding parts obtained by the current rapid prototyping process are all single color, and the color is mainly determined by the material. In order to evaluate the color appearance of the product, it is sometimes necessary to paint manually. With the development of color molding technology, this problem can be solved. Human-machine evaluation mainly includes the size of molded parts and the ease of operation, and rapid prototyping can well meet this requirement.

在產(chǎn)品結(jié)構(gòu)評價中的應(yīng)用

Application in product structure evaluation

通過快速成型制成的樣機(jī)和實(shí)際產(chǎn)品一樣是可裝配的，所以它能直觀地反映出結(jié)構(gòu)設(shè)計(jì)合理與否，安裝的難易程度，使結(jié)構(gòu)工程師可以及早發(fā)現(xiàn)和解決問題。由于模具制造的費(fèi)用一般很高，比較大的模具往往價值數(shù)十萬乃幾百萬，如果在模具開出后發(fā)現(xiàn)結(jié)構(gòu)不合理或其他問題，其損失可想而知。而應(yīng)用快速成型技術(shù)的樣機(jī)制作可以把問題解決在開出模具之前，大大提高了產(chǎn)品開發(fā)的效率。

The prototype made by rapid prototyping can be assembled as the actual product, so it can directly reflect whether the structural design is reasonable or not, and the ease of installation, so that the structural engineer can find and solve problems as soon as possible. Due to the high cost of mold manufacturing, relatively large molds are often worth hundreds of thousands or even millions. If the structure is unreasonable or other problems are found after the mold is opened, the loss can be imagined. The prototype manufacturing using rapid prototyping technology can solve the problem before opening the mold, which greatly improves the efficiency of product development.

與反求工程結(jié)合

Combined with reverse engineering

反求工程(ReverseEngineering,RE)也稱逆向工程，就是用一定的測量手段對實(shí)物或模型進(jìn)行測量，然后根據(jù)測量數(shù)據(jù)通過三維幾何建模方法重建實(shí)物的CAD數(shù)字模型，從而實(shí)現(xiàn)產(chǎn)品設(shè)計(jì)與制造過程。對于大多數(shù)產(chǎn)品來說，可以在通用的三維CAD軟件上設(shè)計(jì)出它們的三維模型，但是由于對某些因素，如對功能、工藝、外觀等的考慮，一些零件的形狀十分復(fù)雜，很難在CAD軟件上設(shè)計(jì)出它們的實(shí)體模型，在這種情況下，可以通過對模型測量和數(shù)據(jù)處理，獲得三維實(shí)體模型。

Reverse Engineering (RE), also known as reverse engineering, is to measure the real object or model with certain measuring means, and then reconstruct the CAD digital model of the real object through 3D geometric modeling method according to the measured data, thus realizing the product design and manufacturing process. For most products, their 3D models can be designed on the general 3D CAD software. However, due to the consideration of some factors, such as function, technology, appearance, etc., the shape of some parts is very complex, and it is difficult to design their solid models on the CAD software. In this case, the 3D solid models can be obtained through model measurement and data processing.

作為一種新產(chǎn)品開發(fā)以及消化、吸收技術(shù)的重要手段，反求工程和快速成型技術(shù)可以勝任消化外來技術(shù)成果的要求。對于已存在的實(shí)體模型，可以先通過反求工程，獲取模型的三維實(shí)體，經(jīng)過對三維模型處理后，使用快速成型技術(shù)，實(shí)現(xiàn)產(chǎn)品的快速復(fù)制，縮短了產(chǎn)品開發(fā)周期，大大提高產(chǎn)品的開發(fā)效率。

As an important means of developing new products and digesting and absorbing advanced technologies, reverse engineering and rapid prototyping technology can meet the requirements of digesting foreign technological achievements. For the existing solid model, you can first obtain the 3D entity of the model through reverse engineering. After processing the 3D model, you can use rapid prototyping technology to realize the rapid replication of the product, shorten the product development cycle, and greatly improve the product development efficiency.

快速成型技術(shù)可以大大縮短產(chǎn)品的開發(fā)周期，滿足產(chǎn)品的個性化、多樣化需求，在工業(yè)設(shè)計(jì)中得到廣泛應(yīng)用。但由于該技術(shù)的制作精度、強(qiáng)度和耐久性還不能滿足工程實(shí)際的需要，加之設(shè)備的運(yùn)行及制作成本高，一定程度上制約著RP技術(shù)的普遍推廣。您有什么疑惑或者需求就來我們網(wǎng)站http://www.faxuemingjia.com咨詢吧！

Rapid prototyping technology can greatly shorten the product development cycle, meet the personalized and diversified needs of products, and is widely used in industrial design. However, the manufacturing accuracy, strength and durability of this technology can not meet the actual needs of the project, and the high cost of equipment operation and manufacturing, to some extent, restricts the general promotion of RP technology. If you have any doubts or needs, please come to our website http://www.faxuemingjia.com Ask!