When choosing ball screw and linear guide rail, we usually think from the following aspects:

　　1、受力計(jì)算，你這套傳動(dòng)系統(tǒng)需求到達(dá)的承載力和推進(jìn)力是幾，這個(gè)是需求計(jì)劃設(shè)計(jì)工程師依據(jù)實(shí)踐的產(chǎn)品請(qǐng)求來計(jì)算的，例如數(shù)控銑床，我們能夠依據(jù)銑床運(yùn)用時(shí) 大的刀具直徑、切削深度，進(jìn)給速度等計(jì)算出刀具的切削力，并推導(dǎo)出傳動(dòng)系統(tǒng)所需的推進(jìn)力，然后依據(jù)這個(gè)承載和推進(jìn)力去比照滾珠絲桿和直線導(dǎo)軌的技術(shù)參數(shù)，同時(shí)我們還要思索加工精度請(qǐng)求（例如是粗加工機(jī)床、半精加工機(jī)床還是精細(xì)加工機(jī)床），設(shè)備的加工方式，傳動(dòng)系統(tǒng)的擺放位置（是程度裝置還是垂直裝置），直線導(dǎo)軌滑塊的方式（例如玻珠排列方式，能否帶堅(jiān)持架等），阻尼的大小選擇，光滑方式的選擇，密封方式的選擇，還有滾珠絲桿和直線導(dǎo)軌自身的加工方式的選擇（是軋制還是研磨）等多方面的思索，才干選好一套絲桿和直線導(dǎo)軌，這個(gè)需求有相當(dāng)?shù)膶W(xué)問和設(shè)計(jì)才能才干完成，同時(shí)我們針對(duì)滾珠絲桿和直線導(dǎo)軌的也要做出相應(yīng)的選擇。

　　1. Force calculation: what is the required bearing capacity and propulsion of your transmission system? This is calculated by the demand planning and design engineer according to the practical product requirements, such as CNC milling machine. We can calculate the cutting force of the cutter according to the largest cutter diameter, cutting depth, feed speed, etc. when the milling machine is used, and deduce the required propulsion of the transmission system. Then according to the bearing and propulsion force, we compare the technical parameters of the ball screw and the linear guide rail. At the same time, we also need to consider the machining accuracy requirements (such as rough machining machine, semi-fine machining machine or fine machining machine), the processing method of the equipment, the placement of the transmission system (whether it is the degree device or the vertical device), the way of the linear guide rail slider (such as the arrangement of glass beads Only with the consideration of various aspects, such as way, can we choose the stick frame, the size of damping, the choice of smooth way, the choice of sealing way, and the choice of the processing way (rolling or grinding) of ball screw and linear guide rail, can we choose a set of screw and linear guide rail. This needs considerable professional knowledge and design ability to complete. At the same time, we aim at The brands of ball screw and linear guide rail should also make corresponding choices.

　　2、經(jīng)歷參考，其實(shí)這可能就是說的瞎蒙吧，真正的緣由是，一個(gè)具有相當(dāng)設(shè)計(jì)經(jīng)歷的設(shè)計(jì)工程師的確是不怎樣去計(jì)算這個(gè)東西的，由于大局部設(shè)備的運(yùn)用在受力上都是差不多的，你總是能找到幾個(gè)和你要設(shè)計(jì)的產(chǎn)品相似的產(chǎn)品來做參考，所以更多時(shí)分我們采用的是類比的辦法，也就說，我如今設(shè)計(jì)的設(shè)備以前有人這樣做過，而且用得挺好，那我像他一樣的選擇就意味著一定不會(huì)出太大的錯(cuò)誤，而且在實(shí)踐選擇的時(shí)分設(shè)計(jì)者肯定是看過需求控制的技術(shù)參數(shù)和指標(biāo)的，并不會(huì)真的是輕描淡寫的一句蒙的那么簡(jiǎn)單，特別是關(guān)于一些有充沛設(shè)計(jì)經(jīng)歷的工程師，多大的電機(jī)配多大的絲桿，多大的絲桿配多大的導(dǎo)軌都是有充沛的經(jīng)歷了，基本不需求去技術(shù)，更重要的是如今的絲桿和導(dǎo)軌消費(fèi)廠家曾經(jīng)把很多參數(shù)規(guī)范化，只需按他們的參數(shù)去選擇就能夠了，同時(shí)一些好的還提供一對(duì)一的技術(shù)支持，以他們都能夠幫你選，例如THK和力士樂，你只需求和他們確認(rèn)一下就能夠了，所以這個(gè)不是一個(gè)很需求花時(shí)間的。

　　2. Experience reference, in fact, it may be blind. The real reason is that a design engineer with considerable design experience really doesn't calculate this thing. Because the application of most parts of the equipment is almost the same in stress, you can always find several products similar to the products you want to design for reference, so we use more time. The analogy method, that is to say, the equipment I design has been done by someone before, and it works well, so my choice like him means that there must be no big mistake, and the designer must have seen the technical parameters and indicators of demand control during the practical choice, and it is not really a simple sentence, especially about one. Some engineers with abundant design experience, how large the motor is equipped with, how large the screw rod is equipped with, and how large the guide rail are all full of experience. They basically don't need to go to technology. What's more, today's screw rod and guide rail consumer manufacturers have standardized many parameters. They just need to choose according to their parameters. At the same time, some good brands also provide one-to-one technology. Support, so that they can help you choose, such as THK and Rexroth, you just need to confirm with them, so this is not a center that needs a lot of time.

　　3、當(dāng)然，這個(gè)也不是像說話那么容易，這個(gè)有賴于平常的積聚，一個(gè)技術(shù)方面的積聚，還有就是你對(duì)各大配件的人脈和技術(shù)積聚，這些都需求時(shí)間和時(shí)機(jī)去累積，而且一些比擬中心的技術(shù)通常只控制在少數(shù)牛逼的工程師手上，他們一幫不會(huì)將這些技術(shù)外泄的，也就是說一幫設(shè)計(jì)從業(yè)者可能基本接觸不到要本人去選擇絲桿和導(dǎo)軌這個(gè)設(shè)計(jì)局部，而只是幫主管工程師拆幾個(gè)簡(jiǎn)單的零件圖而已，大局部有技術(shù)含量的工作他人曾經(jīng)做完了。

　　3. Of course, it's not as easy as talking. It depends on the usual accumulation, the accumulation of technology, and the accumulation of your contacts and technology for major brand accessories. All of these need time and opportunity to accumulate. Moreover, some of the technology of the comparison center is usually controlled by a small number of powerful engineers, and they won't let out these technologies. That is to say, a group of design practitioners may not be able to contact the design part of the screw rod and guide rail, but only help the Engineer in charge to dismantle a few simple part drawings. Most of the work with technical content has been done by others.

　　4、其實(shí)現(xiàn)在是一個(gè)信息化的時(shí)代，很多東西都已經(jīng)做得很化和標(biāo)準(zhǔn)化了，你不懂或者你不想去專研的知識(shí)，你可以借助別人的力量，想絲桿和導(dǎo)軌的選型，我覺得你就可以直接借助供應(yīng)廠商的力量，例如現(xiàn)在我要選型一個(gè)絲桿和線軌，我直接打個(gè)電話給THK的技術(shù)服務(wù)人員就可以了，他們會(huì)根據(jù)我的要求幫我選好規(guī)格型號(hào)，并告訴我相應(yīng)的交貨期和，一切都是他們?nèi)ネ瓿?，而且還保證了使用效果，更甚者我還可以讓他們提供類似設(shè)計(jì)的案例給我參考，這對(duì)于絲桿和導(dǎo)軌的定型有很大的幫助，如果你不知道如何去做這件事情，我可以提供一個(gè)大概的思路給你：上網(wǎng)百度你所需要的，然后進(jìn)他們的官網(wǎng)取得他們的聯(lián)系方式，再更廠家銷售人員確認(rèn)負(fù)責(zé)你們片區(qū)的代理商的聯(lián)系方式，接著聯(lián)系代理商并告訴他們你有這方面的需求，讓他們提供技術(shù)支持（當(dāng)然其中的溝通技巧很重要，如果你只是個(gè)打醬油的他們是不會(huì)理你的，你得把自己包裝成一個(gè)大戶，少未來是個(gè)潛在的大戶），通常為了拿下你這個(gè)新客戶，代理商會(huì)要求廠商派人提供技術(shù)支持，這時(shí)候你需要盡快拿到他們的產(chǎn)品樣本，對(duì)他們的產(chǎn)品有一個(gè)起碼的熟悉，并在廠家技術(shù)支持人員到場(chǎng)后和他們以 快的速度確認(rèn)絲桿和線軌的規(guī)格型號(hào)，其實(shí)無論是什么樣的采購(gòu)件其實(shí)都可以用上面的套路，基本上是沒有什么問題的。

　　4. In fact, it's an information age. Many things have been professionalized and standardized. You don't know or you don't want to go to the specialized research knowledge. You can use the power of others to select the screw rod and guide rail. I think you can directly use the power of the supplier. For example, now I want to select a screw rod and guide rail, and I will call THK directly. The technical service personnel will help me choose the specifications and models according to my requirements, and tell me the corresponding delivery time and price. They will complete everything, and ensure the use effect. What's more, I can let them provide similar design cases for me to take a reference, which is very helpful for the shaping of screw rod and guide rail. If you don't know how to do this For one thing, I can provide you with a general idea: go online to Baidu and get the brand you need, then go to their official website to get their contact information, and then change the contact information of the agent in charge of your area confirmed by the manufacturer's sales personnel, then contact the agent and tell them that you have this demand, and let them provide technical support (of course, the communication skills are very good It's important that if you're just a soy sauce maker, they won't pay attention to you. You have to pack yourself into a big family, at least a potential big family in the future). Usually in order to win your new customer, the agent will ask the manufacturer to send someone to provide technical support. At this time, you need to get their product samples as soon as possible, have a minimum familiarity with their products, and have technical knowledge in the manufacturer. After the technical support personnel arrive at the scene, they can confirm the specifications and models of the screw rod and the wire rail with the fastest speed. In fact, no matter what kind of purchased parts, the above routine can be used. Basically, there is no problem.

　　5、絲桿和線軌這種標(biāo)準(zhǔn)化的部件選型還是相對(duì)容易的，說穿了就是那么回事，但是其它相應(yīng)結(jié)構(gòu)的處理和設(shè)計(jì)才是考驗(yàn)一個(gè)設(shè)計(jì)者能力的地方，需要大量的實(shí)踐經(jīng)驗(yàn)和豐富的設(shè)計(jì)基礎(chǔ)知識(shí)，這些地方也是沒有什么捷徑可走的，也行有別人的東西可以參考，但是具體的圖紙要求是沒有那么容易拿到別人的完整圖紙的，所以很多東西還是要自己平時(shí)多積累。

　　5. It's relatively easy to select standardized components such as screw rod and wire rail. That's exactly the case. However, the processing and design of other corresponding structures are the places that test a designer's ability. They need a lot of practical experience and rich design basic knowledge. There is no shortcut to these places, and there are other people's things to refer to, but they are specific. It's not so easy to get other people's complete drawings, so a lot of things still need to be accumulated on their own.

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