The 3D printer has passed the stage of brutal growth and entered the PK of real strength. At this time, “stability” has once again become a hot topic.
Before writing, I thought about whether to use “stable” or “reliable” in the question. In the end I chose “stable”. As for why not choose “reliable”,
My true feeling is that it has not yet reached that stage.
So what is a “stable” 3D printer? Before discussing this issue, you must understand that the 3D printer here is based on FDM technology. After understanding this premise, I have to say that our communication must have several conditions:
1. You have to understand the 3D printer;
2. You know what a 3D printer can do;
3. You want a 3D printer with “stability” as an element;
If you understand the above points, then we formally enter the core question we are talking about today: what is a “stable” 3D printer!
First of all, I define “stable” as the stable printing performance. The performance here can be the result performance, the process performance, and the stable printing result.
Performance and stable printing process performance. So what are the qualities required to have a stable printing performance? Let me summarize it with a formula:
Stable structural design + stable production link + stable print output = stable print performance
Let’s take a look at the above formula, let’s talk about the stable structural design first.
Anyone who knows 3D printers knows that 3D printers are generally divided into 5 structural designs: I3, parallel arm, UM, MB, COREXY structure. These five
The structure has its own advantages and disadvantages, but when it comes to a relatively stable structure, the UM and MB structures are the best. In fact, these two structures are XYZ type structures, and XYZ.
The three axes are independently controlled by two independent stepper motors. But these two are slightly different, the biggest difference between MB structure and UM structure is MB structure X axis
The motor and the wire feed motor are easy to increase the Y-axis load on the moving component. The UM structure makes the print head lightest, and the cross structure controls the printing stability of the print head.
Qualitatively, if you want to tell a tendency from these two structures, the individual prefers the UM structure.
There is also a part that is closely related to the structural design. That is the shell of the 3D printer. Sometimes the material of the shell also affects the stability of the structure.
There are many types of 3D printer housings, from wood to plastic to sheet metal. At present, plastic shells and sheet metal shells are especially popular on the market, wood
The shell has basically withdrawn from the stage of history. If the plastic shell is compared with the sheet metal shell, the sheet metal shell is relatively stronger, more stable, and has less wear and tear. Plastic
The material shell is relatively light, simple and vivid. From the perspective of “stability”, I prefer the sheet metal shell.
Next, let’s talk about this stable production link. At present, 3D printers are mainly produced by assembly, and all raw materials are purchased or customized.
3D printer manufacturers do not produce parts themselves, so here we must first understand which parts of the production link of the 3D printer here.
In terms of production process, the production links of 3D printers include material selection, assembly, debugging, inspection and packaging.
It is understood that many 3D printers are now made by small workshops. The so-called small workshops generally refer to the simple production process. This is the choice of materials.
Most small workshops are mainly based on online shopping or raw materials of small manufacturers, and assembly, debugging, and inspection may be done by one person. This part can be understood as a person who assembles a machine. And a “stable” 3D printer must be made by a complete production line, which means that the production process must go through scientific settings and process management. Generally, regular manufacturers must have several standard elements.
1. Professional management team
2. Training of professionals
3. Lean production configuration
In addition to the above standard elements, as a 3D printer manufacturer must have a condition that its production must go through-ISO9001 quality management system.
Many people have heard of the ISO9001 quality management system but do not understand it very well. In fact, the ISO9001 quality management system generally consists of 7 parts, namely:
1. Organizational structure and background
2. Description of leadership
3. Quality planning (risk & opportunity assessment, etc.)
4. Organizational support (for case registration)
5. Operation and implementation
6. Performance evaluation
7. Continuous improvement
Only one 3D printing manufacturer has it and can implement it according to the complete ISO9001 quality management system. At least we can think that this 3D printing manufacturer can guarantee stable production. If a stable structural design and a stable production link provide an effective guarantee for the performance of the printing process, the stable print output occupies an absolute influencing factor in the actual printing and the performance of the printing results. Of course, there are many factors that affect the performance of the print results, but today I will mainly share with you from the perspective of the 3D printer’s own function for your reference. An important part of the print output that affects the performance of the print result is the leveling function of the printer. Leveling is the basic link of the print output.
If it is not flat, then the printed things or the performance of the results can not be guaranteed. The 3D printers currently on the market mainly have three levels of manual leveling, semi-automatic leveling, and intelligent leveling. The so-called manual leveling is the platform adjustment by eye or A4 paper friction test. Semi-automatic leveling is also called auxiliary leveling. It is based on manual leveling and adds sound or text prompts to help users level the platform. , And intelligent leveling is to optimize the traditional manual leveling. From the user’s perspective, because many users are not professional, the simpler the leveling function of the 3D printer, the better, the best one-key leveling.
Power-off continuous printing function, broken wire alarm function, high-definition camera function, APP remote monitoring function, these functions are very popular with users, popular because these functions can effectively ensure that the printout process does not go wrong , Play an escort role in the printing results. Among these three functions, individuals prefer the APP remote monitoring function, because this function allows users to truly query the printing status of the machine anytime, anywhere, and without having to worry about the printing status at home or when eating. This function allows you to see its printing status at any time when you are worried about the printing process, and you can use the mobile phone to remotely operate and stop printing once there is a problem in the printing process. Such real-time monitoring function can truly ensure that the entire printing process is in your hands within the controllable range.
Recommended reading《The best way to manually post-process FDM 3D printed parts》