KMA-1

Long. Travel39 in.
Cross Travel15 in.
Vert. Head Travel19.7 in.
Taper, HP#50, 10 hp

Overview

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 20” that enables deep drilling and boring operations. The large spindle with #50 taper can remove large amount of metals in one pass. Even though the geared vertical head is huge, it travels smoothly by cranking the  eye level tri-lever handle.

  • 15” x 67” table, 15” x 39” travel
  • Vertical head travel 20”, fixed quill
  • NST #50 taper spindle, 10 HP motor
  • 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.

Well Organized Electric Panel

All relays, contactors, transformers, overload protections, safety disconnect switches and wires are clearly labelled for easy maintenance.

Specs

CapacityInchMetric
Table Size14.93 x 67 in.379.2 x 1701.08 mm
T-slots (No.x Width x Pitch)5 x 0.75 x 2.75 in.

5 x 19.05 x 69.85 mm

Table Travel : X Longitudinal39.37 in.1,000 mm
Table Travel : Y Cross14.93 in.379.22 mm
Vertical Head Travel19.68 in.499.87 mm
Spindle Center to Column14.93 in.379.22 mm
Spindle Nose to Table3.93-23.62 in.99.82-599.94 mm
Table Feeds, RapidsInchMetric
Longitudinal Feeds (Variable)1.12 - 39.37 ipm26 -1000 mm/min.
Longitudinal Rapids110 ipm2,800 mm/min.
Cross Feeds (Variable)1.12 - 39.37 ipm26 -1,000 mm/min.
Cross Rapids110 ipm2,800 mm/min.
Vertical HeadInchMetric
Spindle TaperNST #50
Spindle Speeds45-1500 rpm
Vertical Head Travel19.68 in.500 mm
Vertical Head Feeds

0.002-0.008 in./rev

0.05-0.2 mm/rev

MotorsInchMetric
Vertical Spindle5 HP3.7 Kw
Table Feed and Rapid

1.74 HP

1.3 Kw

Coolant System0.125 HP0.093 Kw
GeneralInchMetric
Floor Area (W x D x H)10.5 x 6.56 x 7.90 ft.3.2 x 1.9 x 2.4 M
Approximate Weight

8,800 lbs.

4,000 Kg

Power Consumption (220V)30 amps
Power Consumption (440V)15 amps

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
  • 30 in. travel in z axes in lieu of 20 in.

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