HK-78 Series

Features

  • 30 HP spindle motor
  • 32” wide bed on one piece bed and base design for extra rigidity.
  • Multi-position adjustable longitudinal feed stop device
  • 4 way rapid traverse
  • The extra 3rd rail support enhances the cutting force
  • Locating pin-locking style 4-way tool post allows for easy swiveling but also ensures the rigidity in cutting.
  • Auto lubricating system for slide ways
  • 9” (up to 15″) spindle bore
  • 4-420 RPM spindle RPM

   

Specifications

Specification HK-55 SeriesHK-63 SeriesHK-78 Series
Center Height 49.02" 49.02" 49.02"
Swing Over Bed 55" 63" 78.7"
Swing Over Gap 76.7" 84.6" 89.76"
Swing Over Cross Slide 40" 49" 62.6"
Width of Bed 32" 32" 32"
Distance Between Centers 240"~320" 240"~320" 240"~320"
Spindle Bore Ø 6" (Opt. Ø 9", 10", 12", 15") Ø 6" (Opt. Ø 9", 10", 12", 15") Ø 6" (Opt. Ø 9", 10", 12", 15")
Spindle Bore Nose A2-11 (Opt. A2-15, A2-20) A2-11 (Opt. A2-15, A2-20) A2-11 (Opt. A2-15)
Spindle Speed 4-420 RPM (16 Steps) 4-420 RPM (16 Steps) 4-420 RPM (16 Steps)
Tailstock Quill Diameter Ø 7.9" Ø 7.9" Ø 7.9"
Taper of Center MT#6 MT#6 MT#6
Quill Travel 11.81" 11.81" 11.81"
Cross Feeds 0.03-3.52mm/rev (0.0012"-0.14"/rev) 0.03-3.52mm/rev (0.0012"-0.14"/rev) 0.03-3.52mm/rev (0.0012"-0.14"/rev)
Cross Travel 27.6" 27.6" 27.6"
Compound Rest Travel 15.75" 15.75" 15.75"
Tool Size 1.96" x 1.96" 1.96" x 1.96" 1.96" x 1.96"
Longitudinal Feeds 0.06-7.04mm/rev (0.0024"-0.28"/rev) 0.06-7.04mm/rev (0.0024"-0.28"/rev) 0.06-7.04mm/rev (0.0024"-0.28"/rev)
Lead Screw Diameter Ø 2.36" Ø 2.36" Ø 2.36"
Threading Range 0.25-30 TPI (70 Kinds) 0.25-30 TPI (70 Kinds) 0.25-30 TPI (70 Kinds)
Module Pitch Threads 0.25 – 30 M.P. (53 Kinds) 0.25 – 30 M.P. (53 Kinds) 0.25 – 30 M.P. (53 Kinds)
DP Pitch Threads 2 – 30P (48 Kinds) 2 – 30P (48 Kinds) 2 – 30P (48 Kinds)
Main Motor 30 HP (50 HP Optional Accessory) 30 HP (50 HP Optional Accessory) 30 HP (50 HP Optional Accessory)
Rapid Motor 1 HP 1 HP 1 HP
Coolant Pump 1/8 HP 1/8 HP 1/8 HP
Machine Dimensions 183" - 380" x 85" x 63" 183" - 380" x 85" x 63" 183" - 380" x 85" x 63"
Gross Weight 42,989 lbs 44,752 lbs 46,517 lbs
Net Weight 39,976 lbs 41,592 lbs 43,210 lbs

Accessories

Standard Accessories

  • Lubricating device for headstock
  • Spindle motor 20HP
  • Electromagnetic brake
  • Metric / Inch gear box
  • Longitudinal & cross rapid feeding
  • Strong electric tailstock (quill 200mm) – manual quill, motorized base
  • X,Z-axes auto lubrication system
  • X,Z-axes with Turcite-B
  • Steady rest ø16″
  • Face plate with 4-jaw 40″
  • Dead center
  • Toolpost screw wrench
  • Level pads
  • Tools & Tool Box
  • Operation manual

Optional Accessories

  • Coolant device
  • Follow rest
  • 4-jaw independent chuck 40” , 50”
  • 3-jaw chuck (strong type) 20” , 25”
  • Steady rest ø16″, ø24″
  • Halogen light
  • Digital readout
  • Back splash guard
  • Quick change tool post (instead of tool post )
  • CE equipment
  • Taper turning attachment
  • Grinder
  • Hydraulic copy attachment
  • Automated rapid tool post
  • Longitudinal adjustable position feed stop
  • Five position carriage stop
  •  Tailstock with self-rotary quill
  • Boring attachment
  • Rear tool post
  • Double chuck
  • Rear adapter
  • Double chuck (Chuck type and size be inquired)

Brochures

Title: Kent USA Large Bore Lathe 2022

Videos

MD Series Oil Country Lathes: Overview

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