Y-Axis Machining on Long Parts, Linear Way Speed

The ML-600LY is a long-bed linear way CNC turning center with Y-axis, built for shafts and extended parts that carry features along their length: keyways, flats, cross-holes, and eccentric patterns. Traditionally those features meant re-clamping a long, heavy workpiece on a milling machine. On the ML-600LY, the part stays chucked while turning and milling happen in the same cycle.

The linear way construction keeps traverse and positioning fast, which matters on long parts where the turret covers real distance every cycle. For high length-to-diameter workpieces, the steady rest is configured for your part before the machine ships.

Key Specifications

  • Swing: Φ600 mm over bed, Φ450 mm over saddle
  • Chuck: 10-inch standard, 12-inch optional
  • Maximum machining length: up to 1,260 mm with the 10-inch chuck (exact figure depends on turret type)
  • Y-axis travel: ±50 mm, with C-axis and live tooling standard
  • Spindle: 50 to 3,500 rpm (10-inch), Φ86 mm bore, Φ91 or Φ105 mm optional

Full specifications are in the table below.

ML-600LY or Its Siblings?

The ML-600LY is the long-bed step of the Y-axis ladder: the ML-600Y covers parts to about 520 mm, the ML-600MY to about 760 mm, and the ML-600LY reaches about 1,260 mm. For parts beyond that, the 800 series carries machining lengths up to 3,000 mm.

Heavier cutting on long, tough workpieces? The BML-600LY is the hand-scraped box way version. Need back-end machining on the same long part? The ML-600LTY adds a sub-spindle to the long bed.

Q: What is the maximum machining length of the ML-600LY?

A: Up to 1,260 mm with the standard 10-inch chuck, depending on turret type (1,220 mm with BMT65, 1,260 mm with VDI40). The optional 12-inch chuck reduces this slightly.

Q: When should I choose the ML-600LY over the ML-600MY?

A: When your parts exceed the MY's roughly 760 mm envelope. The ML-600LY extends machining length to about 1,260 mm with the same 10-inch chuck class and identical Y-axis capability.

Q: Does the ML-600LY support a steady rest for slender parts?

A: Yes. For high length-to-diameter workpieces, the steady rest arrangement is configured and tested for your part before the machine ships

ITEM UNIT ML-600LY
Capacity
Swing over bed mm Φ600
Swing over saddle mm Φ450
Maximum machining diameter mm BMT65: 380; VDI40: 285
Maximum machining length mm BMT65 STD: 1,220 (10″); OPT: 1,200 (12″)
VDI40 STD: 1,260 (10″); OPT: 1,240 (12″)
Slant angle of bed 60°
Travel Range
X-axis mm BMT65: 206 (190+16); VDI40: 206 (142.5+63.5)
Y-axis mm ±50
Z-axis mm BMT65: 1,265; VDI40: 1,305
C-axis ° 360° (0.001°)
W-axis mm –
Spindle
Spindle speeds rpm STD: 50~3,500 (A2-8, 75mm 10″);
OPT: 50~3,000 (A2-8, 78mm 10″);
OPT: 50~2,500 (A2-8, 91mm 12″)
Spindle nose STD: A2-8
Spindle bore diameter mm STD: Φ86 (10″); OPT: Φ91 (10″); Φ105 (12″)
Front bearing inner diameter mm STD: Φ120 (10″); OPT: Φ130 (10″, 12″)
Draw bar diameter mm STD: Φ75 (10″); OPT: Φ78 (10″), Φ91 (12″)
Chuck
Chuck diameter inch STD: 10″; OPT: 12″
Turret
Type Live-tooling
Stations pcs STD: 12
Model LS-200DTR
Square tool shank mm 25 x 25
Boring bar shank diameter mm Φ40
Indexing time (0~180°) sec 1.4
Live Tool
Spindle Speeds rpm 50~4,000
Feed Rate
Rapid Traverse m/min X: 30, Z: 30, Y: 24, C: 200rpm
Tailstock
Type Automatic
Quill diameter mm Φ85
Quill bore taper MT5
Quill travel mm 120
Tailstock travel mm 1,000
Motors
Main-spindle kw STD: α30ip (15/18.5); OPT: α22ip (11/15)
Live-tool kw α3/10000 (3.7/5.5)
Axis servo motor kw X/Y/Z – α12 (3.0)
Hydraulic oil pump kw 1.5
Chip conveyor kw 0.2
Coolant pump kw 0.8
Accuracy
Positioning mm ±0.005; Y: ±0.003
Repeatability mm ±0.004; Y: ±0.003
Power
Requirements KVA 380-415/220V 30 KVA
Machine size
Height cm 228
Floor space (WxD) cm 524 x 233
Packing (w/conveyor) cm 521 x 229 x 255
Net weight (w/conveyor) kg 7,670
Gross weight (w/conveyor) kg 8,090

Specifications

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