Feature

The KL-1840 flatbed CNC lathe machine, part of the KOAN CHO Combi-Lathes series, is expertly engineered for high precision and rapid prototyping of small, intricate parts. Its robust design, crafted from cast iron, ensures stability and strength, allowing it to handle tougher metals like steel, brass, and iron with ease.

This precision machine has advanced features such as an extra-wide bed, Turcite-B coating for reduced friction, and a powerful AC Vector spindle drive. Whether for detailed component creation or heavy-duty tasks, the KL-1840 is built for versatility and performance.

Characteristics:

  • Extra wide bed with flat way and Vee-way, induction hardened and precision ground to HRC 50.
  • Turcite-B anti-friction coating on saddle and cross slide for improved accuracy & wear
  • Precision hand scraped for all mating sliding surfaces and gibes.
  • Hardened & Ground ball-screw with preloaded double nuts, fitted on 60° Xangular contact bearing.
  • Powerful AC Vector spindle drive, provide high power for Constant Surface Speed Cutting.
  • Large bore heavy duty spindle mounted on precision taper roller bearing for heavy cutting.
  • Headstock with three automatic change-over speed-ranges with fully programmable spindle speeds.
  • Heavy duty manual tail-stock with safety switch.
  • AC Servo axes motors and drives provided high Performance.
  • Dual electronic hand wheels allowing unrestricted manual operation.
  • Automatic lubrication to all sliding surfaces and axes ball-screws.
  • Flood coolant system and Halogen work light are as standard.
  • All electric component are built-in an enclosure cabinet and main disconnect switch.
  • Fully enclosed guarding with interlocked sliding doors access to CE standard.
  • Every machine before shipping is inspected by Laser calibrated and cutting & coolant Testing and Undergoes a rigorous 30 hours non-stop running.
  • Integrated FAGOR 8055i TC Control with 11" Color TFT display. Simple as a DRO, Powerful as a CNC,

Rigid construction

Specification

KL-1840 / KL-1860 CNC Flat Bed Lathes
 

KL-1840

KL-1860

CAPACITY
Height of centers 230 mm (9")
Swing over bed 460 mm (18")
Swing over cross slide 220 mm (10")
Distance between center 1000 mm 1500mm
Width of bed 350 mm (14")
HEADSTOCK
Spindle Nose D1-6 (STD)
Spindle bored (standard) Ø 56 mm (2-1/8")
Spindle bored (optional) ----
Taper of S/Nose & center MT No.6 x No.4 for D1-6, MT No.7 x No.5 for D1-8
3-Jaw scroll chuck (Option) Ø 200 mm (8") for D1-6, Ø 250 mm (10") for D1-8
Hydraulic Power chuck (Opt.) Ø 200 mm (8") for D1-6, Ø 250 mm (10") for D1-8
Bar capacity (Power chuck) Ø 45 mm for D1-6 of 8" chuck, Ø 75 mm for D1-8 of 10" chuck, Ø 91 mm for A1-11 of Ø12" chuck
Range of spindle speeds 3 Rang Gears Auto Shifting
Spindle speed (variable) A1-6 & D1-6: 8" chuck
H: 3000-660 rpm
M: 659-146 rpm
L : 145 - 33 rpm
SADDLE
Longitudinal travel (Z) 750 mm 1250 mm
Cross slide travel (X) 240 mm
INDEXING TURRET (OPTIONAL)
Turret tool station 8 station
Standard O.D. tool size 20 mm (3/4")
I.D. tool size (Max.) 20 mm (3/4")
TAILSTOCK
Tailstock quill travel 180 mm (7.08")
Tailstock quill diameter 75 mm (3")
Tailstock quill taper No.4 MT
MOTOR
Spindle drive motor 7.5 HP
Feed Motor torque (Z-X) 12 Nm (Z) / 6 Nm (X) Nm
Coolant pump 1/8 HP, (1/4 HP: up to 2000 mm center distance)
Rapid traverse (Z-X) 8,000 mm/min (315 ips)
Cutting federate (Z-X) 1-4000 mm/min (0-157 ips)
ACCURACY
Positioning ±0.010/300 mm (±0.0004/12")
Positioning repeatability ±0.005/300 mm (±0.0002/12")
Power required 16 KVA
Approx. Machine weight (kg) 2900 3200