JNG-4000

Features

  • Dual coarse and fine grinding wheels allow for grinding efficiency and fine finish
  • Minimum 0.005mm infeed
  • Manual and auto grinding cycles; # of passes and infeed amount can be easily set
  • Tempered stress released steel weldment base
  • Replaceable hardened (HRC 60°) steel rail ways
  • Built in auto lubrication

   

Specifications

Specification JNG-2500JNG-3000JNG-4000
Magnetic Chuck Size 98.5″ x 7.9″ 118.1” x 7.9″ 157.5” x 7.9″
Magnetic Chuck Tilt Angle ±90° ±90° ±90°
Worktable (Grinding Wheel) Cross Feeding Speed 3-16 m/min 3-16 m/min 3-16 m/min
Min. Grinding Wheel Infeed 0.0002″ 0.0002″ 0.0002″
Max. Working Height 4.3″ 4.3″ 4.3″
Coarse Grinding Wheel Speed 1720 RPM 1720 RPM 1720 RPM
Coarse Wheel Ø 12.0″ x 4.9″ x Ø 1.0″ Ø 12.0″ x 4.9″ x Ø 1.0″ Ø 12.0″ x 4.9″ x Ø 1.0″
Fine Wheel Ø 5.9″ x 2.6″ x Ø 2.0″ Ø 5.9″ x 2.6″ x Ø 2.0″ Ø 5.9″ x 2.6″ x Ø 2.0″
Grinding Wheel Tilt Angle 0 – ±5° 0 – ±5° 0 – ±5°
Parallelism Of Ways To Chuck Surface ±0.0004″(<0.1181″), ±0.0006″(0.1378″,0.1575″) ±0.0004″(<0.1181″), ±0.0006″(0.1378″,0.1575″) ±0.0004″(<0.1181″), ±0.0006″(0.1378″,0.1575″)
Coarse Wheel Motor 30 HP x 4P 30 HP x 4P 30 HP x 4P
Fine Wheel Motor 1 HP x 4P 1 HP x 4P 1 HP x 4P
Coolant Pump 1 HP x 4P 1 HP x 4P 1 HP x 4P
Worktable Cross Feeding Motor 1/3 HP x 6P 1/3 HP x 6P 1/3 HP x 6P
Packing Size (L x W x H) 220" x 240" x 260" 280" x 240" x 260" 320" x 240" x 260"
Machine Net Weight 9259 LBS 11111 LBS 14815 LBS

Accessories

Standard Accessories

  • Grinding wheel
  • Wheel flange
  • Wheel balancing base
  • Wheel balancing arbor
  • NC Z-axis controller
  • Leveling bolts & pads
  • Diamond dresser base
  • Electromagnetic chuck control
  • Operation manual
  • Work light
  • Toolbox with tools
  • Hydraulic overhead parallel dresser

Optional Accessories

  • DRO system
  • Static wheel balancer
  • Extra wheel flange
  • Coolant

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