![]() Near the end, I was frustrated and thinking about the problem and rationalized with myself that. So one of the rules for the challenge was printing at a. Up to now, 60mm/s was my regular printing speed, now I have the first layer set to 60mm/s. I couldn’t even break 45 minutes and the LK5 was speeding along nicely. I assumed I could get a 30 minute benchy no problem. I have been printing benchy’s for a long time but never really analyzed the time it took nor ever worked to print fast. It took me quite a few evenings to test and I was frustrated at times. Reflecting on the experience I realize it is less cut and dry. Like a lot of things in life, things rarely go the way they are planned. I wanted to dabble a little and I put together a plan to attack this challenge with science. As a result, I have watched quite a few fast benchy’s on YouTube and it is amazing what people have done. Not long ago there was a challenge started to print the fastest 3D benchy. When I googled the power supply manufacturer above I find a reference to led lighting and Creality printers. I confirm that the LK5 looks like the picture on the left. Here are some pictures I found of the screens from around the web. On a side note, the screen looks very similar to one of Creality’s touch screens. My only critique for this screen is to add an expert mode to add back the ability to tweak settings via a menu. It looks like jerk is good out of the box. I tested more aggressive jerk settings but started getting missed steps right away. For the Longer LK5 Pro, I only tuned acceleration in Cura. Or you can connect via USB and send G-code directly. One way is to use your slicer’s built-in override settings. Not everyone needs this kind of control and there are ways to adjust without direct access from the screen. ![]() Unfortunately, some granular control is lost when using some touch screens. ![]() The screen on the LK5 is by far the best I have used and is fast and responsive. I resisted liking touch screens for a long time. Really wish this was a newer faster microcontroller. The board looks to be a revision from a board that I found referenced back in 2019 and is on the LK4 Pro. After my initial prints, I moved the machine to my carpeted floor. I feel some soft rubber feet should have been provided. My workbench is 24” (609mm) deep and made of plywood. I put a couple of c clamps on the edge of my desk because I was afraid it was going to walk off. One of the differences visually is pieces of extruded aluminum acting as legs. The LK5 came well packaged and instructions were adequate. Package Dimensions – 662 x 588 x 193 mm.Printer Dimensions – 580 x 540 x 663 mm.Printing Speed – ≦180mm/s (Suggest 60-80mm/s).Printing Technology – FDM 3D Printing Technology.Longer LK5 Pro Specsīefore we get into speed testing let’s look at some specs I pulled from Longer’s website. My goal is to find out how fast I can push the LK5. I think the LK5 Pro is a good candidate for trying to push a larger FDM printer to maximum speeds. Today my only real desire is to print faster and think speed can be one of the shorter-term goals I can help drive as a reviewer. With that said, nearly all new printers I see now look and perform similarly. Most of the requirements that I want in a single machine are being met. In late 2021 the state of hobby 3D printing seems to have plateaued. I have known of the brand Longer for a little while, and when I think of Longer I associate the brand to resin 3D printers but today we are looking at one of their FDM offerings. We are going to be looking at the Longer LK5 Pro.
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