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KMA-5H

Long. Travel 79 in. (99 in. opt)
Cross Travel 31.5 in.
Vert. Head Travel 27-9/16 in.
Taper, HP #50, #50, 17.5 HP, 7.5 HP
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Overview
Features
Specs
Accessories

Overview

This model has both vertical and horizontal heads. Bed type vertical mills are ideal for milling large work piece or heavy cutting on hard metals. The quill is fixed so it can withstand strong lateral forces. For this model, the entire vertical head moves up to 28” that enables deep drilling and boring operations. The large spindle with #50 taper can remove large amount of metals in one pass. The horizontal head with 7.5 HP motor and #50 taper spindle driven by  AC servo motor on ball screw performs horizontal milling operations with high accuracy.  This arrangement allows the performing of different type of milling operations on one set up, thus maintain accuracy and increase productivity.

  • 30” x 106” table, 32” x 79” (812 mm x 2,006 mm) travel
  • With optional table outboard support, the travel can increase by 20%
  • Vertical head travel 28”, fixed quill
  • NST #50 taper spindle, 17.5 HP motor
  • The Horizontal head has NST#50 spindle taper,7.5 HP motor. The head is driven by AC servo motor on precision ball screw for precise and easy operation.
  • Hardened and ground box ways
  • Fully ribbed castings on column, table and saddle to make it a rigid structure
  • Double nut backlash eliminator
  • Eye-level lever control for vertical head rapid traverse

Features

Solid Construction, Box Way Design

High quality castings are used on base, column, saddle and table. They are stressed relieved to avoid any distortion. All sliding surfaces are hand scraped to ensure full bearing support. All reference surfaces and T slots are precision ground to exact tolerances.

Honeycombed Ribbing on Column

The vertical column of a bed mill usually received most pressure during heavy duty milling operations. Honeycombed pattern ribbings enhance rigidity of the casting.

Double Nut Backlash Eliminator

Backlash on the screw increases after long term usages. The backlash eliminator can correct the situation by adjusting the double nuts instead of the old method of squeezing a split nut.

Eye-Level Tri-Lever Handle Vertical Head Movement

Despite the heavy duty vertical spindle head, it is easy to move the head up and down manually using the tri-lever handle for positioning or close milling jobs.

Additional Horizontal Milling Head

The horizontal milling head with a fixed quill travels along the side of the column driven by AC servo motor on precision ball screw.  It is equipped with NST#50 spindle taper, runs on 7.5 HP spindle motor. The head has 12 spindle speeds from 40-1,450 rpm.

Specs

Capacity Inch Metric
Table Size106.3 x 29.5 in. 2700.02 x 749.3 mm
T-slots (No.x Width x Pitch)5 x 0.75 x 5.9 in.

5 x 19.05 x 149.86 mm

Table Travel : X Longitudinal78.75 in. 2000.25 mm
Table Travel : Y Cross31.5 in. 800.1 mm
Vertical Head Travel

27-9/19 in.

700 mm

Spindle Center to Column31.5 in. 800.1 mm
Spindle Nose to Table2.75 to 30.3 in. 69.85 to 769.62 mm
Table Feeds, Rapids Inch Metric
Longitudinal Feeds (Variable)1.10 - 39.37 in. 28-1000 mm
Longitudinal Rapids122.04 in. 3100 mm
Cross Feeds (Variable)1.10 - 39.37 in. 28-1000 mm
Cross Rapids122.04 in. 3100 mm
Vertical Head Inch Metric
Spindle TaperNST #50
Spindle Speeds45-1500 rpm
Vertical Head Travels27.5 in.698 mm
Vertical Head Feeds39 ipm

300 mm

Horizontal Head Inch Metric
Spindle Nose TaperNST #50

Spindle Speeds (12)

40-1450 rpm
Spindle Head Travels25.5 in. (up, down)647 mm
Vertical Rapid Speed150 ipm 3800 mm
Motors Inch Metric
Vertical Spindle

17.5 HP

11 Kw

Horizontal Spindle7.5 HP 5.59 Kw
Table Feed and Rapid4.7 HP 3.50 Kw
Coolant System0.16 HP0.11 Kw
General Inch Metric
Floor Area (W x D x H)18.68 x 10.08 x 10.5 ft. 5.69 x 3.07 x 3.20 M
Approximate Weight28,650 lbs. 12,995.42 Kg
Power Consumption (220V)60 amps
Power Consumption (440V)30 amps

All specifications subject to change without notice. Please call to verify.

Accessories

Standard Accessories

  • Coolant system
  • Auto lubrication system
  • Draw-in bolt (1 pc)
  • Tool box
  • Wired 220V or 440V

Optional Accessories

  • Power drawbar w/ foot pedal control
  •  6 in. “KURT” vise with swivel base D688
  • Halogen work light
  • Outboard support of table to increase longitudinal travel
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