Although 3D printers are a versatile and even versatile manufacturing tool, in the eyes of many makers, it can be combined with other tools to achieve maximum performance, just like it is in maker space. It works like a CNC or a laser cutter. But unfortunately, for ordinary individual users, the above devices are too expensive. However, there is no way to find a way out, or someone has come up with other ways to add new equipment to their manufacturing tool library, such as Bruno M. To save a little money, he used a 3D printed part DIY with a powerful automatic bow saw. It is said that this is enough to cleanly cut the steel object.
It is understood that Bruno M. is a senior creator, technician and system engineer from New York who often shares his project on his Engineerd3d blog. Like most people, his ability to manufacture is largely limited by the wallet – so it's a natural choice to make a living. Bruno's current goal is to DIY a CNC, but the hesitant possibility of having to cut countless metal parts by hand makes him hesitate. To this end, he hopes to have a low-cost solution that can replace manual and more accurate.
Considering it over and over again, Bruno decided to convert a common bow saw (hacksaw) in his hand into an automatic one. As an avid 3D printing enthusiast, he obviously thought about how to use 3D printers to achieve his goals. This makes the final manufacturing cost of this automatic saw very low, only about $50. The only thing that was really expensive was the hacksaw and metal fixture. Bruno bought a good quality hacksaw. The saw blade used was not only of good quality but also adjustable. After all, this is the core component.
As you can see from the photo above, the automatic saw is fixed to the legs of an old IKEA table, and Bruno has also created a linkage system using 3D printed parts. This system is a bit like the steam locomotive's drive system, which rotates (powered by a geared motor) to drive the hacksaw to move linearly. In addition, all of the components are fixed with a 3D printed carriage (even the guides of the aligned materials are 3D printed), and the cutting speed can be adjusted by adding weight to the top.
The key question is: What can it cut? In the video below, Bruno shows that this powerful 3D printing automatic saw can even cut the solid steel of the threaded rod: using a little oil as a lubricant, the saw actually cuts off one in just two minutes. 8 mm threaded rod. Most importantly, the incision is very smooth and can be used right away.
Although originally designed for metal parts, Bruno's second video shows that this automatic saw is also a good hand for handling wood. “It’s almost like the saw left behind, it’s very polished. It’s the one I’m looking for,†he said.
If these cool videos see your hands tickle, here's some good news: Bruno has shared all the files for this 3D printing autosaw, including design files, on the web, and invites everyone to modify it according to their needs. . You can also find a complete list of documents here.
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