Continuous fiber reinforced soft jaws | Anisoprint

Continuous fiber reinforced soft jaws

35% weight reduction, 40% lower manufacturing costs, non-standard shape

Operation on a lathe requires special attention to tooling. In cases when parts have complex shapes, thin walls, or are made of soft alloys standard equipment will be inconvenient: it can damage the surface and leave cracks on it.

Conventional tooling can crumple thin-walled parts because the clamping force is difficult to adjust. Parts such as asymmetrical profiles are very hard to clamp with standard jaws or cams: you either have to spoil and sharpen the cams or waste time and insert a row of liners, then center the part in the machine.
To solve these problems, WEBER LABS turned to anisoprinting.

WEBER LABS handles the full cycle of technological parts production from model development and calculations to manufacturing. Quite often these parts are small-scale and non-standard. The jaws have a specific purpose: turning a set of stator plates for an electric motor.

After the testing, WEBER LABS highlighted several advantages of anisoprinted tooling: 

  • Plastic jaws are more flexible than metal ones and when clamped they hold a workpiece more tightly. It helps to control the clamping force more precisely and process parts that require careful handling.
  • On old machines, the place where the cams fit into wears out, thus during operation, the tooling leaves noticeable traces on a part due to backlash. This requires several finishing passes.
  • Due to their plasticity, plastic jaws provide better contact, thereby minimizing the number of finishing passes and reducing vibration.
PARAMETERCNC METALANISOPRINTING
Weight 600g 251g
Price €113 €45

The composite jaws were printed on the Composer 3D printer from Smooth PA plastic reinforced with continuous fibers. Anisoprinted jaws are nearly three times as light as metal ones: 251g vs 600g.

The part is 40% cheaper and 35% lighter, than the one made of metal. Such cams are less durable and cannot be used for holding large parts, however, this is a non-standard tooling and not used for it. Plastic jaws without reinforcement need change after a few cycles of work, while the reinforced ones showed durability in more than 15 operation cycles.

The production time for such cams is 29 hours. The outer plastic layer is 1.2mm thick, printed with SMOOTH PA, a carbon-filled plastic with good wear resistance.

” 3D printing is really useful, especially when you deal with non-standard parts often. However, parts made of common plastics are not strong enough, and you are often limited by the properties of the plastic.


Reinforced parts are strong, and you don’t worry about whether they will break or not. You just start printing and get the finished part on the next day, it’s very convenient.”


— Dodonov Sergey, CTO of WEBER LABS.

 

 

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