In this article we will talk about all things about 3d filament tangle. cause and how to fix it.
#3dprinting#3dprinter#3dprint#3dmaterial#3dfilament#prototype

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In this article we will talk about all things about 3d filament tangle. cause and how to fix it.
#3dprinting#3dprinter#3dprint#3dmaterial#3dfilament#prototype
This post will give you all the information about silk pla filament in 3d printing, includes feature, printing temperature, advantages and limits.
PLA VS ABS: Which 3d printing filament is better for you?
PLA and ABS filaments are the most used materials in 3d printing. They both have virtues for each. PLA is strong and be friend with environment, ABS is flexible and cheap. For specific print part, The most important thing is to choose the right material. When searching for building material could be used, there are so many items that you have to consider, including flexibility, strength, accuracy. In order to get accurately and properly print object, sometime you have to use special conditions with special material.
Until now, there are several kinds of materials that are used in 3d printing. PLA and ABS filaments are the most used types currently. They looks like the same in appearance, but they are entirely different in printing and property. So here is the question: Which type is better for 3d printing.
PLA
PLA, or Poly Lactic Acid, is derived from corn starch and sugar cane which are both renewable resources. From this conditions, this material are quite safe and easy to use. According to one experience, parts will be decomposed on soil in 6 months or 3 years. Until now, PLA is the most used bioplastic, The product includes plastic cups, forks, sucker, food package, medical implants, disposable tableware and flowerpot.
Likes other thermoplastic, PLA has characteristics similar to PP, PE and PS. It can be made from already manufacturing machine. These equipment are designed for petrochemical plastic, such as extrude, mold or film. This makes it relatively cost efficient to use.
Appearance
The nature pla is sub transparent granulate with slight yellow, there are no special fume with raw pla resin.
Temperature
The melt point of PLA is about 178 °C. In printing, you could set the temperature at 190-220 °C. It could be printed without heated bed, but we recommend that you use one at 55-60 °C.
Its glass transition temperature is 60°C to 65°C, this limits the usage of this material, such as in high temperature surrounding.
Print Performance
Compared with ABS, PLA is easier and more convenient to use. There are almost little or no shrinkage on print bed, you could print bigger diameter parts in open framed printers, don’t worry about warping, cracking or lifting from the bed.
When to use it
You could use pla in whenever you can. It’is easy used and bioplastic that can be composted or recycled in soil. This makes pla is the ideal material for gifts, models, prototypes.
When to avoid it
The glass transition temperature is about 60°C. If you are printing parts that need to hold temperature above 60°C, PLA maybe cannot meet this requirement. In this temperature, PLA is starting to soft and strength decreased. Meanwhile, due to the brittleness of nature pla, objects or tool parts cannot bear dropping repeatedly.
ABS
ABS, short name of acrylonitrile butadiene styrene. It is a strong and sturdy oil based plastic. ABS is widely used in business construction objects, including plastic car parts, Tool part and even lego building blocks. Meanwhile, ABS has great chemical resistance and electronic insulation, ABS is also used in consumer electronic parts, insulating layer of cables.
As the common used plastic in market, ABS material is suitable for all the process machine, drill, cut, welding, polish and electroplate. You can use this material in any there you could image.
Appearance
The nature abs is white granulate. The color will be white or slight yellow, they are different between manufacturer. For example, ChiMei’s ABS resin is slight yellow, but LG and Sabic’s ABS is white.
Temperature
The glass transition temperature of abs is about 105°C. That means that abs parts could be used in somewhere that has high temperature. PLA will be soften and lose strength but abs cannot.
About printing temperature, we suggest to set 220-250°C with a heated bed at 80°C or more. In order to get the best result, you need to test different temperature, Meanwhile, the cool fan should be off in printing.
Print Performance
According to view at the end point of nozzle, the melted abs thread are flowed out hot ends sequentially. ABS is tend to be easier to print than PLA, you never need to worry about jamming or clogging, that is common in pla. The main issue of abs is the shrinkage in cooling. The shrinkage can cause problems with part lifting from the bed, splitting or layer cracking. For these reasons, It’s must to print ABS with heated bed, Preferably with in closed frame printer.
When to use it
If the part needs to used in hot temperature location, mechanical operations or rough dropped, ABS is the good choice. Such as toys, keyboard of computer or tool handles. In one word, This material could be suitable for most objects.
When to avoid it
Due to the shrinkage of ABS, we don’t recommended to print without heated bed, it’s very hard to get good result. Meanwhile, ABS is an type of oil based plastic. Don’t use ABS for objects related to food.
PLA VS ABS Fume
As we have said, PLA is bioplastic which is made from renewed resource, it will be water and CO2 in burning. If you happen to printing with pla, you can smell slightly sweet, it’s pleasant on the nose. In the contrast, there are strong smell while abs prints, it’s harsh smell, liking burning the plastic.
PLA VS ABS Strength
When talking about strength, PLA can print incredibly strong objects with great layer adhesive, but PLA is tend to more brittle than other plastic. For this reason, PLA is always used for rapid prototype or function designed parts. ABS is often preferred with high flexural strength and better elongation before breaking, it can be used in professional application, end use objects.
PLA VS ABS Part Accuracy
General speaking, the accuracy of FDM printer are mainly depended on the calibration of printer and product complexity. Both them can be made for high dimensionally accurate objects, layer height can be down to 0.1mm. For connecting or interlocking objects, we suggest using 1-2 mm shell thickness and 30-50 mm/sec speed, this will ensure the result and strength in shell.
Compared with abs, pla has lower printing temperature, almost no wrap. Then pla can print for objects with complex features, such as connecting or interlocking.
PLA vs ABS Surface Finish and Post Processing
Due to the accuracy of 3d printer, both pla and abs parts have layer visible in surface. PLA is sub transparent, surface is glossy. ABS is the nature color of pale.
Both them could be used in post processing. Acetone alway use for ABS, it can smooth the layer with glossy finish. Meanwhile, ABS is also could be machined( sanded,weld, drilled, cut) after printing. PLA also could be sanded, but it should be take care the temperature, PLA has lower soft point than ABS
PLA vs ABS Heat resistance
ABS has more usage range than PLA, especially in hot location, ABS is more suitable for PLA. PLA can lose its structural strength and began to deform.
Conclusion
PLA and ABS are the most popular FDM 3d printer material. They have different advantages for each. ABS have better mechanical properties than PLA, PLA is easier to print with.
PLA is better for objects that request more fine feature. Low shrinkage and easy for print help to offer quality surface details.
ABS is more suitable for professional applications that need strength, flexibility, thermal stability, ductility. But ABS is tend to warping in printing.
3D printing parts by ABS filament.
3D printing vase for PLA filament.
Adjust the distance of nozzle and bed surface,It’s so important for the start of printing 3d filament.
how to get better adhesion for 3d printer bed surface ?
The most reason for print failures is the problem of adhesion.If the first layer of material did not stick to the bed surface,There will be wrap or failed print.So how shall we get better adhesion for bed surface,Here are the tips we should know.
First layer height in Z axis
The distance between the hot bed and nozzle are most important in the start of printing.The distance should be 50%-75% of your layer height.You could test the distance with an A4 paper.If the paper cannot pass through gap,That means the distance is suitable.
Adjusting the print bed
You should check the corners whether are flat or not,After some printing,The height of corner will be unstable.
Printing with PLA filament
For PLA prints,We suggest to print in hot bed,The temperature could set in 50-70 degree.
Printing with ABS filament
For ABS print, a heated bed is required, but even the heated bed isn’t foolproof. It’s common to print onto either Kapton blue tape, The common used is 3M 2090. The temperature for heated bed should set in 70-90 degree.
other Bed Adhesion Tools for better adhesion As we talked above,Blue tape is the most used in heated bed now,But in large dimension object,The part is also easy for warp in first layer,We need to searchg another tool for better adhesion.Let's introduce other tools.
The first is PEI,We have used a product called buildtak which is made from PEI. It’s a slightly textured plastic surface specifically created to increase print adhesion. These sheets could be cut for a number of different size of printer,It work with both PLA and ABS.Â
The second is PIR (polyisocyanurate) insulation foam.You could purchase in shop and supermarket.It has great adhesion.The object stick to it like crazy and warping is inexistent.PLA and ABS is both work for them.Â
3D printer filament comparison:PLA VS ABS
3D printing helps us turn digital prototype into real object. While there are lots of 3D printing filaments in the market, the two most commonly used plastics are Acrylonitrile Butadiene Styrene (ABS) and Poly Lactic Acid (PLA). However one wonders what the difference is between the two, and which is the better choice for 3D printing?
ABS filament
ABS is the stronger and harder of the two, and is used for creating the popular LEGO toys, motorcycle helmets and car bumpers and parts. It has a longer lifespan than PLA. However as this plastic type is produced from fossil fuels,It emits a strong smell of hot plastic and also fumes during the printing process. This makes it rather dangerous to the environment. Moreover, ABS tends to warp if it's not printed a heated surface and ABS printed products cannot be used with food
ABS could be made into many forms and its flexibility makes it easier to make interlocking parts. Its products are also easy to machine and sand to perfection. As ABS is Acetone-soluble, its parts can be welded together using a few drops of it or be given a gloss by dipping or brushing the pieces in Acetone.
PLA filament
PLA is the more environment friendly of the two as it is made from plant based sources like potatoes, corn or sugar cane. It is more popularly used in making food containers and packages and emits a semi-sweet smell during the printing process.
PLA products look have a shinier and smoother appearance than products printed using ABS filaments, and are generally more detailed in design. Moreover, PLA 3D filaments can be easily created into various shapes as they cool and set rapidly, which isn't possible with other plastics. However its low melting point leads to its warping and can be dangerous in situations where food containers are exposed to sunshine for long periods.
PLA however won’t bio-degrade in your backyard or compost pile. As it’s naturally transparent, it can be colored to various degrees of opacity and translucency. As it is is a stronger and more rigid plastic than ABS it can be difficult using it to make interlocking parts and pin-joints. Its printed objects however tend to look shiner and glossier than ABS products.
individual benefits to organizations: So despite these drawbacks, ABS and PLA 3D printing filaments have their individual benefits to different organizations, based on the products they manufacture. ABS is a preferred choice for engineers and professional applications for its strength, machinability, flexibility and high temperature resistance. Its hot plastic smell however deters some, and its requirement of a heated printed bed means it can’t be used with all printers. Machine parts manufacturers also prefer using ABS because of its strength and durability, higher melting temperature and longer lifespan. Home printers however prefer PLA for its flexibility and appearance. PLA is also preferred for creating display and small household items for its wide range of colors, translucencies and glossy feel. Many prefer its semi-sweet smell over ABS and PLA has higher maximum printing speeds, sharper printed corners and lower layer heights when properly cooled. All this, and its low warping makes PLA a popular choice amidst home printers, schools and hobbyists.