瓦線機(jī)器設(shè)備的心臟是單面機(jī)，單面機(jī)的心臟當(dāng)然是瓦楞輥。雖然很多因素都極大的影響瓦楞紙板的質(zhì)量。如：原紙，淀粉漿、機(jī)器設(shè)備、操作人員等。然而，瓦楞輥的質(zhì)量，尤其是楞型質(zhì)量，從最開始便決定了瓦楞紙板的強(qiáng)度和質(zhì)量。更重要的是，瓦楞輥影響生產(chǎn)同樣厚度和強(qiáng)度紙板所需要使用瓦楞芯紙的用量。也就是說，瓦楞輥決定你的產(chǎn)品質(zhì)量競爭力和生產(chǎn)成本競爭力。
The heart of the corrugator machines is the single facer and the heart of single facer is of course the CORRUGATING ROLLS. the quality of the produced Board is greatly influenced by many factors. such as: paper, starch, equipment machines, peoples etc. However, the quality of the rolls, especially the profile, determine from the beginning what the strength and quality of board is going to be. More important, it determine the usage of medium paper to produce the same thickness and the same strength of board. That is to say, CORRUGATING ROLLS determine your product competitiveness and your production cost competitiveness.

購買瓦楞輥要考慮的因素很多，本文以碳化鎢瓦楞輥VS鍍鉻瓦楞輥銷售之“可以節(jié)省瓦楞芯紙（而不降低紙板強(qiáng)度）之投資回報為引子，僅對購買瓦楞輥應(yīng)考慮之楞型體優(yōu)化之因素加以簡要說明。
we should consider many factor when we purchase corrugating roll. in this article, we take the medium paper ROI (Return On Investment) of TCC (Tunsgten Carbide Coating) corrugating roll Verus chrome coating roll as primer. Just focus on profile optimization as one important consideration when purchasing corrugating roll.  

做為瓦楞輥的用戶， 在頭腦中必須有用紙率的概念，因?yàn)樗P(guān)系到數(shù)目極大的金錢，如果您對它還一無所知或漠不關(guān)心，您的損失將十分慘重. 反過來，您將比同行獲得驚人的額外利潤。
To  be a corrugating roll user, should have the TUF (Take Up Factor) concept in mind. because it related to great deal of money. if you do not know anything about it or indifference to it. your loss would be very heavy, on the other hand, you will have amazing extra profits than your peers. 

用紙率：可分為理論用紙率和實(shí)際用紙率
TUF can be divided into actual TUF and theoretical TUF

實(shí)際用紙率：是生產(chǎn)單位長度紙板所用瓦楞芯紙長度與里紙長度的比值。
Actual TUF: is the ratio of medium paper usage in length to the liner paper usage in length in unit length of single face web.

其較準(zhǔn)確的測量方法為：停機(jī)時，在未進(jìn)入單面機(jī)的瓦楞芯紙邊緣畫兩個記號，并記錄兩個記號間瓦楞芯紙的長度L1,然后開機(jī)，在天橋上找出這兩個記號合成的單面見坑紙板,并再次測量出兩個記號之間的長度L2，Ll與L2的比值就是您的實(shí)際用紙率。
The more accurate measurement method is to stop the machine, draw two marks at the edge of medium paper, which not into the single facer, measure and record the length between two marks as L1. Run machine and go to the bridge to find the single facer web with two marks, flatten it, and measure and record the length between two marks as L2. the ratio of L1 to L2 is your actual TUF.

實(shí)際用紙率的決定因素為理論用紙率,并受原紙濕度，剎車張力大小，預(yù)熱溫度高低，施加蒸汽噴淋與否，及測量誤差的影響.
Actual TUF is maily determined by theoretical TUF and influenced sightly by paper humidity, high or low brake tension, high or low prehearting, application of steam or not, and measuring tolerance.

理論用紙率為我們通常所講的用紙率，其考慮瓦楞芯紙厚度，面紙厚度，及壓力輥直徑對用紙率的影響因素，但不考慮原紙伸縮的因素，其三個主要影響因素為瓦楞輥的楞高，楞距和楞頂圓的大小。
theoretical TUF is the TUF we usually talk about. it consider the caliper of medium paper and caliper of liner paper and pressure roll diameter, but without consider the paer stretch or shrinkage. the three main influence factor is flute height, flute pitch and tip radius of corrugating roll.
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楞型磨損的主要部分總是在楞頂，因?yàn)樾炯埑尚蜁r，永遠(yuǎn)是以１３０％～１５０％的更快速度滑過楞型頂部：
The main flute wear is awlays on the flute tips. because the medium paper always slide on the flute tips at running speed P1, which is 130%~150% faster than the production speed P2=P3.
Ｐ１>Ｐ２=Ｐ３．


楞頂?shù)目焖倌p會不斷降低紙板的厚度與強(qiáng)度。
Wear on the flute tips will continually reduce teh corrugated board thickness and strength.


所以當(dāng)我們訂購瓦楞輥的楞高時必須考慮兩個因素：獲得可接受紙板厚度的最低楞高Ho 和 所訂購瓦楞輥楞高的磨損量T。
訂購瓦楞輥的起始楞高H=Ho+T
碳化鎢瓦楞輥楞高磨損量幾乎為零，所以可以訂購較低的起始楞高.
而訂購鍍鉻瓦楞輥時,我們不得不考慮較大的磨損量，從而不得不訂購較高的起始楞高H。
So, we must consider two factors when we order the starting flute heigth of corrugating roll H: the height to obtain the minimum acceptable board thickness Ho, and the loss height due to wear T.
The starting flute height H = Ho + T
The loss flute height of TCC (Tungsten Carbide Coating) corrugating rolls is almost zero. so we can order at a low starting height.
Yet, we have to order higher starting flute height when we order chrome coating roll due to higher wear loss height.

由用紙率與楞高的關(guān)系可以得知，當(dāng)訂購鍍鉻瓦楞輥時：實(shí)際上我們不得不將額外的芯紙白白送給我們的客戶。而它原本屬于我們的利潤。下面
By the relationship between flute height and TUF, we know, when we order chrome coating corrugating roll, in fact, we have to send additional medium paper in vain to our customers. and it originally should belongs to our profits.
Now, let's click the link below and calculate:
how many additional medium paper we send to our customers in vain? Yet,it should originally belong to our profits!

著重說明：您查看的計算結(jié)果，每年RMB880,000的投資回報，只是一對1800鍍鉻瓦楞輥更換成碳化鎢瓦楞輥的最初級投資回報，眾多精彩內(nèi)容還沒有開始....... 但對于是購買碳化鎢瓦楞輥還是購買鍍鉻瓦楞輥的決策者來說，只要能明白每年RMB 880,000的投資回報只有購買碳化鎢瓦楞輥（是投資）才能帶給您，而夠買鍍鉻瓦楞輥（是花費(fèi)）卻不行，就己經(jīng)足夠了。
Emphasize: The annual ROI (Return On Investment) RMB 880 is just the primary invetment return for one set of 1800 working width corrugating roll, if we order TCC corrugating roll instead of chrome coating roll. so many wonderful content has not yet started...But for the decision-maker, which deicide to order TCC rolls or Chrome rolls. as long as he can understand that only TCC roll can bring him annual ROI RMB 880000, while chrome roll can not. that is already enough.

本文中投資回報計算程式為站長2005年4月份從保定金利回來后之原創(chuàng)版本，個人認(rèn)為是較實(shí)用的銷售輔助工具之一。投資回報是技術(shù)型銷售的最核心，供需雙方對投資回報方案達(dá)成共識是決定銷售成敗的關(guān)鍵。對此投資回報計算程式的理解，現(xiàn)引用《神鵰俠偘》中一段話：
楊過道：“老前輩這武功既然不傳外人，晚輩以不學(xué)為是。我義父神智未復(fù)，老前輩不用跟他一般見識?！?br /> 洪七公搖頭道：“你雖學(xué)了架式，不知運(yùn)勁訣竅，臨敵之際全然無用。我又不是要你去打你義父，只消擺幾個姿式，他一看就明白了。因此也不能說是傳你功夫。"
In this article, the ROI calculation program is originally version which created by David Qi in April 2005. personal point of view, it is one of the more practical sales auxiliary tools. Agreement on ROI between the supplier and the customer, is the key to decide the sales success or not.

只有充分考慮影響楞型設(shè)計的全部因素，并對楞型所有參數(shù)進(jìn)行優(yōu)化，才能獲得最佳的紙板強(qiáng)度和瓦楞芯紙之節(jié)省。僅僅通過改變楞高、楞距、楞頂圓，而沒有考慮其它影響楞形設(shè)計的諸多因素，可以起到節(jié)省瓦楞芯紙用量或增強(qiáng)紙板強(qiáng)度的目的，但不會是全面的提高。
Only by completely considering all necessary information and all other aspect, and only by truly optimizing the profile in all the parameters can help you achieve optimized board strength and paper saving. Just by changing the fltue height or the pitch or the tip radius without considering other aspect can offer some paper saving or strength, but not overall improvement. 

我們提供專業(yè)的楞型設(shè)計來滿足您的需求，為了幫助您獲得改進(jìn)和提高，請讓我們和您一起審視你正在使用的楞型，讓我們和您一起收集楞型設(shè)計所需要的全部信息。我們將非常高興能為您量身推薦或設(shè)計一款更適合您的單面機(jī)、更適合您所使用的瓦楞芯紙，更能滿足您的實(shí)際或特殊需求、及各種工況的楞型。我們將提供給您節(jié)省瓦楞芯紙、提高紙板強(qiáng)度、和機(jī)器運(yùn)行性能的可行性方案。我們的楞形設(shè)計將提供給您更強(qiáng)的紙板強(qiáng)度，更長的輥?zhàn)邮褂脡勖槙车倪\(yùn)行性能，更穩(wěn)定的紙板質(zhì)量，更重要的是將提供給您可觀的瓦楞芯紙節(jié)省。讓您瓦楞輥的購買行為變成投資而不再是花費(fèi)。
we are the professional in creating a specific profile to suit your needs. In order to help you achieve improvement, please allow us to work with you to have a look at your current used profile, please allow us to work with you to collect all the necessary information to be able to design a profile to suit your machine, papers used, your actual or special needs, and conditions. we would like to offer you the possibility to save money in your paper usage and also improve the quality of your board and machine run-ability. With our design, we will provide you a better strength board, longer lifespan, more smooth run-ability, and more continuant quality. More importantly, will offer you a very good saving of medium paper. Let buying rolls as an investment rather than expense.

我們將非常高興的感謝您提供我們和貴公司合作的機(jī)會，我們將非常高興能幫助您發(fā)掘您瓦楞輥可能的改進(jìn)空間。獲得更多信息，請聯(lián)系我們。
we would be more than happy to thank you for you gaving us the chance to work with your company. We would be more than happy to help you discover all the available possibilities. Please contact me for further information and