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TRAK K3 Knee Mills

The best built, best supported knee-type milling machines you can buy
TRAK K3 Knee Mill
TRAK K3 Knee Mill shown with the ProtoTRAK KMX CNC
  • TRAK K3 Knee Mill
  • TRAK K3 Knee Mill Front View
  • TRAK K3 Knee Mill Right Side View
  • TRAK K3 Knee Mill Rear View
  • TRAK K3 Knee Mill Left Side View

K3 Knee Mill Features

  • 50″ x 10″ table size
  • R8 spindle taper
  • 60-4200 RPM spindle speed
  • Head tilt (forward and backward) +/- 45°
  • Head swivel (side to side) +/- 90°

Standard on all K3 Knee Mills

  • ProtoTRAK® integrated at the factory
  • Precision 7207 P4 spindle bearings
  • Glass scale for quill Z readout
  • Precision ground ballscrews installed in the table and saddle
  • Chrome ground quill
  • Wide way surfaces are hardened and ground
  • Slideways are Turcite® coated
  • Real handwheels so you can work manually
  • Meehanite® castings
TRAK Knee Mills Brochure (PDF)
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Models

ProtoTRAK EMX CNC

TRAK-K3 EMX

  • 2-axis CNC
  • 3-axis DRO

ProtoTrak EMX Specifications

ProtoTRAK KMX CNC

TRAK-K3 KMX

  • 2-axis CNC
  • 3-axis DRO

TRAK-K3 KMX-3

  • 3-axis CNC
  • 3-axis DRO

ProtoTrak KMX Specifications

ProtoTRAK SMX CNC

TRAK-K3 SMX

  • 2-axis CNC
  • 3-axis DRO

TRAK-K3 SMX-3

  • 3-axis CNC
  • 3-axis DRO

ProtoTrak SMX Specifications

TRAK Knee Mill 3 Axis CNC

Three-Axis CNC

TRAK Knee Mills with the SMX and KMX CNC are available as three-axis CNCs, with a quill drive for Z-axis machining. The mill can be run manually, as a two-axis or three-axis CNC. Manual quill control is with our unique Electronic Handwheel.

Note: For most three-axis CNC applications, we highly recommend our TRAK Bed Mills.

Specifications

  • 50″ x 10″ table size
  • T-Slots –5/8"x 3 x 2-1/2″
  • Table Travel – 32″
  • Saddle Travel – 16″
  • Knee Travel – 16″
  • Ram Travel – 15″
  • Maximum Quill Travel – 5″
  • Quill Diameter – 3-3/8″
  • Spindle Taper – R8
  • Spindle Speed – 60-4200 RPM
  • Head Tilt – 45 deg. forward, 45 deg. back, 90 deg. left, 90 deg. right
  • Spindle Motor Power - 3HP continuous
  • Power Requirements, machine - 220/ 440V;3P; 8.5/4.25A
  • Maximum Weight on Table – 850lbs.
  • Machine Weight – 2816 lbs.
  • Machine dims l, w, h - 71″ x 59″ x 84″
  • Maximum rapid feed – 100IPM
  • Way surface type - Dovetail X, Z Square Y
  • Precision 7207 CP4 spindle bearings
  • Chrome hardened and ground quill
  • Meehanite® castings •SlidewaysareTurcite® coated
  • Wide way surfaces are hardened and ground

Options

  • Converts the mechanical handwheels into electronic handwheels for operating the table and saddle
  • Enables the powerful TRAKing® feature
  • Useful DRO features
  • Not available with the ProtoTRAK EMX CNC

  • A Torque-Rite R8 power draw bar factory installed with push button tool in/ out

  • A hand-held switch to stop and continue program run

  • Convenient light with bright, long-lasting halogen bulb

  • The non-fogging coolant sprayer directs a fine stream of coolant to the tool and workpiece

  • Provides an enclosed workspace mounted on the table
  • The sliding door is switched to prevent operation of CNC Run with door open

  • Model DX6 6’ Kurt vise and mounting hardware.

  • A glass scale mounted on the table and saddle
  • Not available on ProtoTRAK EMX products

  • 4",6"or8"

  • Switches and brackets to set maximum travel limits
  • Tripping the switch will cause servo motors to shut down
  • Not available with the ProtoTRAK EMX CNC

  • Provides lubrication to ways and ballscrews
  • Programmable
  • Alarms in case of problems

  • Mounted inside the bed or machine column
  • A manual switch is provided when not used with Auxiliary Functions