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Longer lk4 3d printer


The Powerful, Stable & Affordable FDM 3D Printer

Here’s LONGER LK4 X 3D printer which is basically a powerful, stable and affirmation FDM 3D printer that you never knew about.

As you may know, the use of 3D printers are on the rise in various different industries, be it for educational purposes or in markets where people are using these for running their own shops online for building and selling various different things built using them.

When it comes to 3D printers, the ones made by LONGER are now being popularly used in many industries worldwide. Their latest one is LK4 X which is touted as powerful, stable and an affordable FDM 3D printer.

Lets take a look at some of the best features of LONGER LK4 X 3D printer.

Features

Direct Dual-Gear Extruder: Compatible with PLA, TPU, ABS, PETG, and WOOD, Longer LK4 X features a direct dual-gear extruder with a 5:1 reduction ratio, stronger and more accurate filament control.

Intelligent Auto Leveling: Longer LK4 X features 16-point exact leveling with the unevenness of the hot bed being automatically compensated, deducting the hassle of manual leveling and improving printing. Which is a pretty neat feature!

Manual Belt Tensioners: Longer LK4 X has X/Y-Axis knob tensioners which may easily and timely adjust the belt’s tension, prevent layer shifting, enabling better printing.

Strong adhesion & Simple Removal: Longer LK4 X platform is built of premium spring-flexible steel that allows for simple filament adhesion to the print bed without the use of adhesive. This makes it possible to simply remove the printed model by just removing the PEI sheet and slightly bending it.

Easy Assembling: Longer LK4 X comes 95% pre-assembled which is very helpful, with only 6 steps and about 10 minutes to complete the assembly, resulting in reduced operation time.

Large Touch Screen & User-Friendly UI: Longer LK4 X features a proper 4.3-inch full-color touch screen, The user interface is also very well optimized for the screen size with easy and user-friendly operation so that you can view real-time printing information on the screen.

Resume Printing & Run Out Protection: Longer LK4 X comes equipped with a double resume printing function after filament runs out or power is lost, algorithms record and detect the printing process in real time, saving both time and filament.

Dual Fan Blower Kit: Longer LK4 X comes equipped with the dual blower kit that helps the filament to be cooled quickly after extrusion so that the model is not prone to deformation or wire drawing, enabling better printing.

32-Bit Open Source and Ultra Silent Motherboard: Longer LK4 X features a 32-bit main control chip outfitted with 4 kits of TMC2208 ultra-silent chipsets, printing fastly and quietly. With open-source firmware, you have more creative freedom because you can modify the G code.

Improved Teflon Tube for Less Blockage: The new teflon tube stand higher temperatures and not easy to clogging inside the nozzle and will provide constant quality of printing.

Low Power Consumptions: Longer LK4 X has dimensions of 8.66×8.66×9.84 inches (220x220x250 mm) which is sufficient for daily use, and the fact it has lower power consumption means it uses less energy.

Pricing

LONGER LK4 X 3D printer is available for $279 down from original price of $299 if you use our special promo code 20LK4X during check out.

Where To Buy

Buy: LONGER LK4 X 3D Printer: $279 (after coupon code: 20LK4X) | Usually: $299

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Editor-in-Chief / CEO / Founder Redmond Pie.

Longer LK4: 3D printer review - 3D Print

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The Longer LK4, which we will talk about today, was born to impose itself in the market of the economic quality. It comes in the same shape as the modern small, as the Ender 3 (click here for the review) which follows excellent technical features, having some extra in the basic version though.

 

 

It’s the same brand that produces Alfawise U30. Consequently the shapes and operation are almost identical. But even compared to the latter the Longer LK4 has some advantages, which we will talk about when we explain the editing.
Let’s start firstly with the technical description, which immediately gives us a rough idea.

Technical Specifications

  • Printing volume – 22 x 22 x 25 cm
  • Heated bed – Yes
  • Printable materials – PLA, ABS, PET, PETG, ASA, flexible and more
  • Colour touch display – 2,8″
  • Restart print after power outage
  • End of filament sensor
  • Plate with adherent surface
  • Mosfets installed as standard

 

 

When buying a cheap device, above all, quality is one of the main concerns. So should we buy a more expensive model?

Fortunately, this is not a problem with the LONGER LK4. This 3D printer is made with a sturdy aluminum frame that weighs about 7 kg. It’s rock solid. The power supply and the motherboard connections are secure and provide excellent electrical protection. It’s actually a printer that brings together, as a result, quality and economy in a perfect marriage!

Unboxing the Longer LK4

The Longer LK4 comes packaged in a medium-sized cardboard box. About 20cm high and about 50cm wide.

Inside we find the printer immersed in the protective foam. This protection is more than adequate to cushion any impact.

I like the addition of sturdy cardboard corner protections, which keep the corners well intact!

 

The package arrived on time after 7 days from the order at the official Aliexpress store. It is well packed with no signs of damage. Once opened I found all the components well protected and ordered, each housed in their own compartment. I didn’t find a single “stray” bolt inside the package.

Inside you can find, in addition to the printer:

  • Instructions
  • Allen set (even more than the ones we actually use)
  • Wrench 7/10
  • Micro SD with USB adapter
  • Spatula, very good, rigid and already pointed for the removal of prints
  • Cable ties
  • Power cable
  • Filament 5m
  • Reserve Filament End Sensor – Corect, a second Filament End Sensor!

The micro sd contains the digital copy of the instructions and several files to make the first test prints.

Assembly the Longer LK4

This machine, like all new generation 3D printers, comes pre-assembled at about 90%. Basically we deal with 3 pieces.

  1. The base with the sliding plate already installed. Then below this motherboard and power supply ready to use.

  2. The second piece is the castle (the upper part).
  3. Last piece is the x-axis, then the bar where the extruder moves, already fully mounted!

Then beyond the 3 macro components we will still have the touch screen, the port filament and the motor with bar for Z movement.

Once all the components were removed from the packaging, I started finally the assembly of the machine.

The assembly is very simple and intuitive to carry out.

Just follow the excellent and complete instructions in English, but of course easy understanding thanks to the illustrative images. Also regarding the electrical wiring part it is all explained in detail in the instructions and also identified by labels on the cables. It’s almost impossible to make a mistake.

If you have average mechanical capabilities you will be able to make this printer operational in about 20 minutes, without any particular difficulty. The only thing that made me think about was the installation of the color monitor. An ultra-thin cable is used, which must be inserted and locked by tightening a special ring. Beyond this particular nothing to report.

 

Here I summarize the few assembly points

Note: before starting keep in mind that the Longer LK4 has (as shown in the photo) smooth profiles for the visible part. This makes the assembly even easier! The smooth part must always be visible!

 

  1. Insert the fully mounted X-axis into the “castle”. The hot end part must be on the smooth side of the castle!

  2. Place the castle with the smooth part towards the front of the printer and tighten the 4 screws from under the base.

  3. Place the flat cable with the bronzes towards the monitor board and tighten the ring. Then install the metal protection at the back of the screen.

  4. Secure the touch screen.
  5. Fix the filament port.
  6. Place the z motor on the back and fix to the holes on the profile.
  7. Make electrical connections following the labels.

After these simple steps the printer is ready to work!

 

 

Longer LK4: First impression

It is very solid, the frame is really solid! The project, with special extensions that lift it for about 10 cm is very functional.

They allow the electronics and power supply to stay below the printing table. This is an excellent solution because disappearing from view give it further clean and tidy line.

You see very few connecting cables. I like this!

Another point that struck me immediately was the plate. The surface is not smooth, it is recalling the surface of the Buildtak.

All the pieces that compose it, from the supports for the wheels, for the extruder and the plate are all made of aluminum, light and also very resistant. As aluminum is also the frame of the touch screen. Very convenient and intuitive interface of the touch screen display. In fact, allows you to access all the useful functions quickly and immediately, even when printing for the correction “on the fly” of some values. For example the cooling fan speed, the nozzle flow and temperature, the temperature of the printing table, etc..

Excellent is also the printing surface size, allows you to create objects of discrete size. Good flat leveling system (manual): a bit boring as an operation but effective.

The prints come off well from the plate, with the PLA just heat the top to 60°C. This will stick to the printing surface. On the one hand, I had a hard time pulling the press off at the end of the job.

Tip: To detach the press if you have difficulty, with one hand hold the plate and with the other, by sliding the spatula supplied on the plate give a nice shot. The movement must be done in the Y direction. So you will not cause damage to the plate leveling.

The idea of having a second filament end sensor as a replacement is excellent.

 

The first prints

After the assembly phase here are finally the first tests. I must say that this printer has a really impressive quality, right from the start without any modification!

Perhaps the most shocking thing is to compare print quality to price! Here is the print of some files that are already ready inside the SD and other tests:

The layers are practically invisible and the rendering of the details is very satisfying! What do you think?

 

Software features of LK4

We must certainly start with the touch screen color monitor. It is immediate to select what we want the machine to do for us.

Clear and simple menus even for those who have never seen a 3D printer. We can move easily between the various pages and even get to save the various settings in a very simple way! Just select the right entry, enter the new value and press “save” on the disk.

And to think that in little different models these modifications involved a bad job, to tinker inside the firmware. Certainly this printer is not one but several steps forward.

Another thing I cannot fail to mention is the firmware upgrade. I challenge anyone to find a machine where it is easy to change the firmware as well as this one. The operations to be done are:

  1. Download firmware and unpack it to SD card (Download link).
  2. Insert the SD card into the printer and turn it on.
  3. Wait for it to update automatically, turn off the machine and remove the SD.

Is that all? Well, that’s it…!

 

Longer LK4: Optional on board

This 3D printer, even if very cheap, can be a concentrate of technology, with many options on board.

Possibility of restoring printing if the electricity is missing. This option will save us several annoyances.

Here in Italy where the KW are reduced to three is very easy to overcome with other appliances in use. No more arguing with your wife who turns on the oven or your daughter always attached to the hairdryer!

Filament end sensor. The serenity of leaving the printer to work alone and not go back to printing with the item at half!

The wire will always be present! And do not worry if the end wire is damaged. There is the reserve inside the package!

Super adhesive printing plate. Let your grandmother use the hair spray. The plate on this printer has a great adhesion. Just heat the plate to 55/60° and the press will firmly adhere to the plate!

Longer LK4: 2 upgrades I recommend!

Here are 2 upgrades that I recommend right away.

Longer LK4: Everything that made me fall in love.

There are many design solutions that I liked very much, and here they are listed:

  • Adhesion printing plan without adding any product.
  • Stable and well built, solid materials.
  • The Filament End Sensor: Allows you to go all the way to the coil without fear.
  • Reboot after power failure: not to fear any more sudden blackouts.
  • The touch color display: complete and intuitive, together with the menus allows us to move with extreme simplicity.
  • Print quality in general: really good output from the box.
  • Heating rate.
  • The price: Even if we haven’t talked about money yet, the price of this super-equipped printer is the real and definitive strength. In other words a MUST have.

Longer LK4: To improve

  • Slightly noisy power supply fan, but nothing excessive.
  • Not very comfortable the housing of the micro SD.
  • Very little filament supplied, equip yourself with a coil of filament! So you will use it!

Conclusion

Whatever is your knowledge of 3D printing world, Longer LK4 will be a great friend for your creativity! To summarize the print quality is amazing, and does not require any previous skills to use it at the best!
With some upgrades it can become a perfect 3D printer, therefore ready to compete with much more expensive and famous models. The fact that it can print almost all materials, also thanks to the short PTFE tube, makes it suitable even if you have special needs.

Where Can I Buy Long LK4?

The best shop to buy Longer LK4 is the Longer Global Store on Aliexpress. Here you will find the best prices of the network, fast shipping from Europe and a great after sale. Ready to solve your problems!

Currently Longer LK4 is available for sale on this shop at the incredible price of 120€! With shipment in 10 days without customs charges since the printer is already in Europe!

 

 

 

 Price for Longer LK4 on Aliexpress

This store has the best prices on all Longer products! All models at the lowest prices in the market!

Longer LK4 PRO, Longer LK1, Longer Orange 10, Longer Orange 30

 

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LONGER: many offers and discounts on laser engravers and 3D printers for Christmas

longer than launches its super promotional di christmas , with so many products in one price with a discount of at least 10% ! But that's not all: by visiting the webshop, you'll discover the many offers that brand has made available, with several packages offered at a special price. Whether you are looking for Christmas gift ideas or just want to buy a new laser engraver o 3D printer , take a look at the offers we have selected in this article. Like this!

The first product in the promotion is a laser engraver. Long Beam5 , We are talking about a super powerful machine that thanks to its module from 10W and double beam technology guarantees reduction from fine lines and results excellent quality . This laser engraver can work on various types of surfaces such as steel, wood, ceramics, glass, leather and more. nine0019

The longer Ray5 10W also has a handy touch screen in color, thanks to which you can interact with the engraver, for example, control the engraving process, set some settings and transfer data from the machine to a smartphone, tablet, computer or vice versa. Below is the purchase link: if you don't see the boxes below correctly, try disabling AdBlock .

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Longer Ray5 10W it is also available in two package very greedy:

  • laser engraver + honeycomb desktop + 77 pieces of engraving material for the price of 469.99 USD.
  • Laser engraver + Air Assist kits + 77 pcs. engraving consumables priced at $489.99.

Let's move on to the second product on sale for Christmas, which is the 3D printer. Longer LK5 Pro . Its structure is compact, has a triangular shape, which gives it great stability. This machine has a large print area from 300 x 300 x 400mm , chipset TMC2208 in X/Y/Z and is already assembled by 90%, which reduces assembly time to a minimum.

With the touch screen from 4.3" you can intuitively interact with the 3D printer and thus control or visualize the entire printing process preview product. Also in this case, the Longer LK5 Pro can be purchased in two packages:

  • 3D printer + PLA filament weighing 1kg (x2) at a price of $339.99.
  • 3D printer + 1kg PLA filament (x2) + ceramic coated glass for $339.99

Below you will find a purchase link: If you do not see the fields below correctly, try disabling AdBlock .

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Buy now!

The last product you can buy for Christmas is a 3D printer. Long LK4 X . We are again dealing with one ideal machine also for those in first weapon equipped with 95% preset structure . The printer is also equipped with a range of technologies that make printing easier and delivering incredible results quickly. nine0019

These include Smart Automatic Alignment Sixteen -Cross Price, firmware Open Source and set Cooling A Double fiber venue immediately after printing, which allows you to avoid firing. . The longer LK4 X can be purchased at a discounted price with a special code. Below link to purchase: if you don't see the fields below correctly, try disabling AdBlock .

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20LK4X

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