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

　　1、受力计算，你这套传动系统需求到达的承载力和推进力是几，这个是需求计划设计工程师依据实践的产品请求来计算的，例如数控铣床，我们能够依据铣床运用时 大的刀具直径、切削深度，进给速度等计算出刀具的切削力，并推导出传动系统所需的推进力，然后依据这个承载和推进力去比照滚珠丝杆和直线导轨的技术参数，同时我们还要思索加工精度请求（例如是粗加工机床、半精加工机床还是精细加工机床），设备的加工方式，传动系统的摆放位置（是程度装置还是垂直装置），直线导轨滑块的方式（例如玻珠排列方式，能否带坚持架等），阻尼的大小选择，光滑方式的选择，密封方式的选择，还有滚珠丝杆和直线导轨自身的加工方式的选择（是轧制还是研磨）等多方面的思索，才干选好一套丝杆和直线导轨，这个需求有相当的学问和设计才能才干完成，同时我们针对滚珠丝杆和直线导轨的也要做出相应的选择。

　　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、经历参考，其实这可能就是说的瞎蒙吧，真正的缘由是，一个具有相当设计经历的设计工程师的确是不怎样去计算这个东西的，由于大局部设备的运用在受力上都是差不多的，你总是能找到几个和你要设计的产品相似的产品来做参考，所以更多时分我们采用的是类比的办法，也就说，我如今设计的设备以前有人这样做过，而且用得挺好，那我像他一样的选择就意味着一定不会出太大的错误，而且在实践选择的时分设计者肯定是看过需求控制的技术参数和指标的，并不会真的是轻描淡写的一句蒙的那么简单，特别是关于一些有充沛设计经历的工程师，多大的电机配多大的丝杆，多大的丝杆配多大的导轨都是有充沛的经历了，基本不需求去技术，更重要的是如今的丝杆和导轨消费厂家曾经把很多参数规范化，只需按他们的参数去选择就能够了，同时一些好的还提供一对一的技术支持，以他们都能够帮你选，例如THK和力士乐，你只需求和他们确认一下就能够了，所以这个不是一个很需求花时间的。

　　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、当然，这个也不是像说话那么容易，这个有赖于平常的积聚，一个技术方面的积聚，还有就是你对各大配件的人脉和技术积聚，这些都需求时间和时机去累积，而且一些比拟中心的技术通常只控制在少数牛逼的工程师手上，他们一帮不会将这些技术外泄的，也就是说一帮设计从业者可能基本接触不到要本人去选择丝杆和导轨这个设计局部，而只是帮主管工程师拆几个简单的零件图而已，大局部有技术含量的工作他人曾经做完了。

　　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、其实现在是一个信息化的时代，很多东西都已经做得很化和标准化了，你不懂或者你不想去专研的知识，你可以借助别人的力量，想丝杆和导轨的选型，我觉得你就可以直接借助供应厂商的力量，例如现在我要选型一个丝杆和线轨，我直接打个电话给THK的技术服务人员就可以了，他们会根据我的要求帮我选好规格型号，并告诉我相应的交货期和，一切都是他们去完成，而且还保证了使用效果，更甚者我还可以让他们提供类似设计的案例给我参考，这对于丝杆和导轨的定型有很大的帮助，如果你不知道如何去做这件事情，我可以提供一个大概的思路给你：上网百度你所需要的，然后进他们的官网取得他们的联系方式，再更厂家销售人员确认负责你们片区的代理商的联系方式，接着联系代理商并告诉他们你有这方面的需求，让他们提供技术支持（当然其中的沟通技巧很重要，如果你只是个打酱油的他们是不会理你的，你得把自己包装成一个大户，少未来是个潜在的大户），通常为了拿下你这个新客户，代理商会要求厂商派人提供技术支持，这时候你需要尽快拿到他们的产品样本，对他们的产品有一个起码的熟悉，并在厂家技术支持人员到场后和他们以 快的速度确认丝杆和线轨的规格型号，其实无论是什么样的采购件其实都可以用上面的套路，基本上是没有什么问题的。

　　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、丝杆和线轨这种标准化的部件选型还是相对容易的，说穿了就是那么回事，但是其它相应结构的处理和设计才是考验一个设计者能力的地方，需要大量的实践经验和丰富的设计基础知识，这些地方也是没有什么捷径可走的，也行有别人的东西可以参考，但是具体的图纸要求是没有那么容易拿到别人的完整图纸的，所以很多东西还是要自己平时多积累。

　　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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