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Rotary Knife Assembly

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Rotary Knife Assembly | RC-20 Rotary Crush

  • Description
  • Options
  • Benefits
  • Specifications
  • Materials
This rotary crusher is capable of hundreds of cuts per minute. It is built in a modular configuration so it can be incorporated into a new machine or replace existing units. Assemblies can be designed to meet your requirements.

The rotary crusher has an extended shaft on the cutting cylinder where a timing pulley or gear can be attached. The rotary knife cutter should always run faster than the web to ensure good cut quality without disturbing the web. The cut length is determined by the relationship of web speed to cutting speed. Rotary units can have crush cut blade which is easy to replace.

A crush cut is achieved by the blade in the top cylinder, cutting against a hardened anvil roll. These units have blade spacing from 2 in. and up and are good for thin materials. The cutter has a unique quick change blade design so even an unskilled operator can install a new blade in a few minutes. This is ideal for perforated cuts; the blades can be made to meet your perforation requirements.
  • Add a roll for a complete cut-to-length assembly
  • Select a drive system to match your requirements
  • Special designs for unique requirements
  • Add a slitting station
  • Blade change in less than 5 minutes
  • Self-setting blade height
  • Disposable steel rule die blades
  • Good for thin materials
  • Multiple blades per cutting cylinder available
  • Lower solid anvil supports web during cutting
  • Perforating Blades are available with different patterns
  • The rotary system has a solid hardened anvil roller
  • The top rotary cutting blade cuts against the hardened anvil
  • Precision bearings will be used; they are designed to take high load forces
  • The reliable cutting blade assembly is designed for quick and easy removal
  • Precision ground and bored side frame plates
  • The unit will have an output shaft, which can be driven
  • The top cutting drum and lower anvil are driven together
  • Minimum cutting cylinder diameter: 90mm/3.5"
Film, foil, paper, non-woven, PTFE, tubing, hook and loop, shrink tubing, laminates, metalized film, tape, foam, mesh, laminates, medical devices, pads


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