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Title: Impact assisted segmented cutterhead

An impact assisted segmented cutterhead device is provided for cutting various surfaces from coal to granite. The device comprises a plurality of cutting bit segments deployed in side by side relationship to form a continuous cutting face and a plurality of impactors individually associated with respective cutting bit segments. An impactor rod of each impactor connects that impactor to the corresponding cutting bit segment. A plurality of shock mounts dampening the vibration from the associated impactor. Mounting brackets are used in mounting the cutterhead to a base machine.
 [1] ;  [2] ;  [3]
  1. (Bloomington, MN)
  2. (Minneapolis, MN)
  3. (Eagan, MN)
Publication Date:
OSTI Identifier:
Report Number(s):
US 5123710
Resource Type:
Research Org:
National Energy Technology Laboratory, Pittsburgh, PA, and Morgantown, WV
Country of Publication:
United States
impact; assisted; segmented; cutterhead; device; provided; cutting; various; surfaces; coal; granite; comprises; plurality; bit; segments; deployed; relationship; form; continuous; impactors; individually; associated; respective; impactor; rod; connects; corresponding; segment; shock; mounts; dampening; vibration; mounting; brackets; base; machine; device comprises; continuous cutting; cutting bit; segmented cutterhead; impact assisted; various surface; assisted segmented; /299/37/173/