为什么要制作手板？
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（1）、检验外观设计 手板不仅是可视的，而且是可触摸的，他可以很直观的以实物的形式把设计师的创意反映出来，避免了“画出来好看而做出来不好看”的弊端。因此手板制作在新品开发，产品外形推敲的过程中是必不可少的。
（2）、检验结构设计 因为手板是可装配的，所以它可直观的反映出结构的合理与否，安装的难易程度。便于及早发现问题，解决问题。
（3）、避免直接开模具的风险性 由于模具制造的费用一般很高，比较大的模具价值数十万乃至几百万，如果在开模具的过程中发现结构不合理或其他问题，其损失可想而知。而手板制作则能避免这种损失，减少开模风险。
（4）、使产品面世时间大大提前 由于手板制作的超前性，你可以在模具开发出来之前利用手板作产品的宣传，甚至前期的销售、生产准备工作，及早占领市场。

What is a hand plank?
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In the design process of product,we want most after completing design diagram paper do of a matter would be to wantto know the thing that oneseif designs makes into real object what kind,external applearance and own design thought whether fit together,structure design whether reasonable etc.?The hand plank manufacturing woulds be in response to this kind of need but output of. A little bit popular speak,the hand plank is the premise which is Doing not open a molding tool under,dose 1 of or several first according to the product external applearance diagram paper or structure diagram paper,use to the function sample product of checking the external appearance or structure rationality.

Why want to create hand plank?
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(1).Examine the external appearance design hand plank not only can see,but also can touch,he can keep a view very much of come out the designer's creativity reflection by the form of real object,avoid the irregularity of'the painting come out good-looking but do out not good-looking'.So the hand plank create in the new product to develop,product shape deliberation of process in is an essential to have.
(2).Examine a structure design the hand plank can assemble,so it can keep a view to reflect a structure of reasonable or not,the difficult easy degree for installing.Easy to discover a problem early,solve problem.
(3).Avoid directly risk of opening the molding tool because the expenses of molding tool manufacturing is generally very high,comparing a bigger molding tool worth count 100,000 is go to several million,if discover in the process of opening a molding tool the structure not reasonable or other porblems,its loss is imaginable.But hand plank's creating then can avoid this kind of loss,the decrease opens mold risk.
(4).Make the product publish time to advance consumedly because the hand plank creates of run before sex,you can make use of the publicity that the hand plank makes a product before the molding tool development come out,even ago expect of sale,produce preparation.