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Somerset-based customized bicycle producer Sturdy Cycles has switched the manufacturing of its titanium bicycle components to Chilly Steel Fusion expertise (CMF) from German 3D printing bureau Headmade Supplies.
The 2 corporations will work collectively to 3D print titanium elements reminiscent of crank arms, frameset connectors and chainstay components, for Sturdy Cycles’ Fiadh titanium street bike utilizing CMF, with Sturdy Cycles proprietor and body builder Tom Sturdy favoring the expertise over SLM.
“Since Headmade Supplies may be very intently concerned partially improvement, Tom highlighted the benefits of our expertise to us throughout a dialog,” stated Andreas Schertler, Functions Engineer at Headmade Supplies.
Headmade’s CMF expertise
Headmade Supplies was established in 2019 after being spun off from the polymer analysis institute Das Kunstsoff-Zentrum (SKZ) in Wuerzburg, Germany. The agency’s founders Christian Staudigel and Christian Fischer set out with the mission to design a course of that may make serial 3D printing cheaper and extra accessible, resulting in the event of CMF.
CMF broadly combines steel sintering with SLS in a novel manufacturing approach, with Headmade’s proprietary 3D printing materials setting it aside from typical SLS processes. The agency’s steel powder feedstock is built-in with a plastic binder matric that each improves its flowability and will increase its compatibility with completely different machines.
The four-step CMF course of begins with upscaling the CAD file of a goal object earlier than it’s produced layer-by-layer similarly to SLS 3D printing, however at a temperature beneath 80°C. Working at a decrease temperature considerably minimizes heating and cooling occasions, due to this fact stopping the necessity for exterior cooling gadgets, whereas additionally providing power and time-saving benefits.
Following the printing section, components are then de-caked, post-processed, debinded, and sintered. Throughout printing, the plastic binder contained inside Headmade’s proprietary powder resin is melted away and used solely as a help construction, delivering components that the agency claims are similar to these produced by injection molding.
The partnership with Sturdy Cycles isn’t the primary time the agency’s CMF expertise has been deployed for the manufacturing of motorbike elements. Final 12 months, Headmade partnered with 3D printing service bureau Element22 to develop a novel 3D printed bike pedal design dubbed MyTi. Initially accessible for backing on kickstarter, the clipless titanium pedals launched underneath the joint Titanum model later that 12 months.
3D printing the Fiadh
For its newest bicycle-related undertaking, Headmade has as soon as once more teamed up with Element22 to 3D print the titanium elements for Sturdy Cycles’ Fiadh titanium street bike. The Fiadh is designed to be a sporty street bike and as such, required sturdy weight-optimized elements.
Body builder Sturdy isn’t any stranger to 3D printing, having beforehand partnered with steel 3D printing service supplier RAM3D to produce titanium elements for his different street bike fashions. Sturdy settled on 3D printing on account of its means to provide components with advanced geometries not achievable by way of typical manufacturing means, an integral component to his bespoke bike body enterprise.
Having realized the added advantages of CMF, Sturdy has now switched the manufacturing of a number of titanium bike components to the expertise. The approach is being leveraged to provide 3D printed connectors that are welded to polished tubes on the Fiadh’s frameset, and which accommodate main bike elements such because the handlebars, saddle, and backside bracket.
The bike’s chainstay can also be made solely of elements 3D printed utilizing CMF, as are the mannequin’s crank arms, which Sturdy is now distributing as a part of a standalone crankset.
Because of the bespoke nature of Research Cycles’ enterprise, the person segments of every bike are comparable in construction in design nevertheless no two bikes are alike. With components tailor-made to particular person riders, all elements are completely different of their dimensions, which has now grow to be economically possible in excessive volumes because of Headmade’s CMF expertise. In reality, Sturdy now goals to provide annual portions of the Fiadh within the triple digits.
In accordance with him, that is made potential by CMF’s wonderful course of stability and the ensuing repeatability for elements, which has led to simpler and extra environment friendly body and half manufacturing. The expertise additionally delivers much less stress to metals components in comparison with these produced with SLM, whereas the improved half floor achieved with the approach simplifies the floor ending course of for elements.
Sturdy additionally attributes effectivity positive factors to the diminished quantity of preparatory work wanted to combine CMF-printed elements into the bike manufacturing course of, in comparison with SLM components. Enhanced half high quality delivered by CMF additional means that almost all of labor might be achieved on-site at Sturdy’s manufacturing facility which in flip reduces prices and coordination efforts with varied service suppliers.
“The manufacturing of the elements has now been fully taken over by titanium specialist Element22 and we’re joyful to contribute with our Chilly Steel Fusion expertise to make sure that these dreamlike street bikes from Sturdy Cycles discover their technique to many happy clients,” stated Fischer, Headmade Materials’s Managing Director and Co-founder.
In accordance with the greater than 40 CEOs, leaders, and consultants that shared their 2022 3D printing tendencies predictions with us, progress inside materials qualification and growing demand for increased efficiency supplies illustrate the boldness producers are inserting in additive manufacturing applied sciences, whereas the expertise’s means to allow mass customization is anticipated convey “monumental worth” to a bunch of functions to learn each industries and folks.
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Featured picture exhibits Sturdy Cycles’ Fiadh street bike. Picture by way of Headmade Supplies.
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