JF-400S Automatic Cutterhead Grinder

Machine Information


For face grinding of Solid Cutterheads, Insert Knife Heads, L Type Generated Edge Cutterheads, Finger Joint Heads and Router Bits and Auto Grinding of Straight Knife Cutterheads.

Either full enclosure or stainess steel enclosure

  • Fully Automatic and Fully programmable to grind heads/knives automatically
  • HD Universal Head equipped with Servo motor Infinitely variable Indexing head to desired number of knives in cutterhead
  • Tailstock to support outboard end of Dividing head shaft
  • Carbide Knife Support Rest for Straight knife grinding
  • Automatic Infinitely Variable Table Feed
  • Automatic Head advance to next knife
  • Automatic Grinding Wheel advance for wheel wear (settable)
  • Full Flood Cooling
  • Electrical 230/460 or 575 volts 3 ph 60 cycles to UL/CSA Standards or 380 or 415/3/50


4th Axis Automatic servo Downfeed control for the grinding head
(e.g. particularly useful when grinding L or LV knives for grinding into the gullet as you are grinding the face of the knife)


  • Finger jointer cutter: 160mm/210mm/250mm; Bore to 50mm
  • Length of Finger jointer cutter: 310mm
  • Router bit shank: 3-19mm

Note – normally only used when you have very long European Style Finger Joint Heads.

Hdro-loc or Solid Cutterhead Insert Knife & L Type Knife & FJ Head Face Cutterhead Swing Capacity
 Dia. OD – std. to 12″, 14″, 16”, 16.9”, 17.3” or 18”
 Width (length): std. 12”, 14”, 16”, 18” or 24”
305mm, 355mm, 405mm, 450mm, or 610mm
Grinding Motor 2 HP, 3HP, 5HP – VFD Optional
Grinding Wheel Sizes 7”(175mm), & 8” or 10” Diameter
Cooling System 1/8 HP
Automatic Table Hydraulic motor 1HP
-Servo Drive & Ball Screw optional
Dividing Head Servo 400W
Grinding Wheel up & down 1/3 HP