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手板模型產(chǎn)生變形或是裂紋的補(bǔ)救措施
來(lái)源：http://scyyst.com作者：山東嘉瑞杰機(jī)械科技有限公司發(fā)布時(shí)間：2023-02-14
不管是什么材料制作的手板模型，當(dāng)它超出了一定的使用條件限制，可能就會(huì)出現(xiàn)手板模型變形或是裂紋，那么遇到手板模型產(chǎn)生變形或是裂紋應(yīng)該怎么做?還有沒(méi)有方法可以補(bǔ)救?下面濟(jì)南手板加工廠就來(lái)給大家說(shuō)說(shuō)手板模型產(chǎn)生變形或是裂紋的補(bǔ)救措施，大家可以看看內(nèi)容了解一下。
No matter what material is made of, when it exceeds a certain limit of use conditions, it may be deformed or cracked. What should we do when it is deformed or cracked? Is there any way to remedy it? Next, Jinan Handboard Processing Factory will tell you about the remedial measures for the deformation or crack of the handboard model. You can have a look at the contents.
1、手板發(fā)生變形后，其內(nèi)部存在一定的殘余應(yīng)力。在對(duì)手板加工前應(yīng)該應(yīng)力?？梢允褂脩?yīng)力退火和自然時(shí)效來(lái)使內(nèi)部應(yīng)力消失。
1. After the hand plate is deformed, there is a certain residual stress in it. The stress should be relieved before processing the hand plate. Stress annealing and natural aging can be used to eliminate internal stress.
2、手板熱裂紋多數(shù)是由于機(jī)械應(yīng)力造成，是在金屬凝固所造成的裂紋。解決辦法是改良手板結(jié)構(gòu)，使其與金屬接觸的面更少。另外一種辦法是在控制金屬的含硫量而增加金屬的熱脆性。
2. The hot cracks of the hand plate are mostly caused by mechanical stress and are caused by metal solidification. The solution is to improve the hand board structure so that it has less contact with metal. Another way is to control the sulfur content of the metal and increase the thermal brittleness of the metal.
3、手板冷裂紋是在低溫下所產(chǎn)品的裂紋。這是由于手板變形引致的，常常出現(xiàn)在手板受拉伸的地方，冷裂紋一般比較細(xì)小，但這種裂紋是不可逆的缺陷，只能重做。在制作大型而薄的手板時(shí)，常發(fā)生冷裂紋。相似，預(yù)防辦法也是減小內(nèi)部應(yīng)力和控制金屬中磷的含量。
3. The cold crack of the hand plate is the crack of the product at low temperature. This is caused by the deformation of the hand board, which often occurs in the place where the hand board is under tension. The cold crack is generally small, but this kind of crack is irreversible and can only be redone. When making large and thin hand boards, cold cracks often occur. Similarly, the preventive measures are to reduce the internal stress and control the content of phosphorus in the metal.
此外手板模型材料的選用，既要滿(mǎn)足客戶(hù)對(duì)產(chǎn)品質(zhì)量的要求，還需考慮到材料的成本及其在設(shè)定周期內(nèi)的強(qiáng)度，當(dāng)然還要根據(jù)手板模型的類(lèi)型、使用工作方式、加工速度、主要失效形式等因素來(lái)選材。
In addition, the selection of the material of the hand model should not only meet the customer's requirements for product quality, but also take into account the cost of the material and its strength within the set period. Of course, the material should be selected according to the type of the hand model, the working mode, the processing speed, the main failure forms and other factors.
例如：沖裁模的主要失效形式是刃口磨損，就要選擇表面硬度高、耐磨性好的材料；沖壓模主要承受周期性載荷，易引起表面疲勞裂紋，導(dǎo)致表層剝落，那就要選擇表面韌性好的材料；拉深模應(yīng)選擇磨擦系數(shù)特別低的材料。
For example, the main failure form of blanking die is edge wear, so it is necessary to select materials with high surface hardness and good wear resistance; Stamping die mainly bears periodic load, which is easy to cause surface fatigue crack and lead to surface peeling, so it is necessary to select materials with good surface toughness; The drawing die shall be made of materials with low friction coefficient.
可以看出一旦手板模型發(fā)生變形和裂紋，補(bǔ)救措施非常麻煩，甚有些變形和裂紋是無(wú)法補(bǔ)救的，是手板模型的重大缺陷，所以變形和裂紋是以預(yù)防措施為主，盡量避免出現(xiàn)變形和裂紋。更多相關(guān)內(nèi)容就來(lái)我們網(wǎng)站http://scyyst.com咨詢(xún)了解吧！
It can be seen that once deformation and cracks occur in the hand model, remedial measures are very troublesome, and even some deformation and cracks cannot be remedied, which are major defects of the hand model. Therefore, deformation and cracks are mainly preventive measures to avoid deformation and cracks as much as possible. Come to our website for more relevant content http://scyyst.com Ask about it!
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