The BM series  is a large double-column type machining center designed to process molds. Equipped with a low-vibration built-in spindle, the machining center is suitable for a variety of works from roughing to finishing. The new improved design delivers greater efficiency, thereby raising customer’s productivity and creating maximum added value.

FEATURE:

1. Equipped with a high-speed, high rigidity spindle as a standard feature

  • 12000 r/m high -speed spindle
  • Long nose type ideal for deep pocket mold cutting
  • Equipped with a dual contact spindle as a standard feature for high rigidity and minimum vibration

2. Standard feed axes equipment for higher level of precision

  • All axes provided with a linear scale as a standard feature
  • Ball screw bearings and nut cooling system

3. Adoption of structure and control solution for high -quality mold cutting.

  • Covers provided to minimize the impact of ambient temperature.
  • Thermal displacement compensation for spindle and structure included as a standard feature.

Specifications +

Description Unit BM 2740 BM 2740P
 

 

 

Travels

X-axis mm (inch) 4000 (157.5) 4000 (157.5)
Travel distance Y-axis mm (inch) 2700 (106.3) 2700 (106.3)
Z-axis mm (inch) 800 (31.5) 500 (19.7)
Effective width between columns mm (inch) 2740 (107.9) 2740 (107.9)
Table to spindle nose mm (inch) 150~950 (5.9~37.4) 80~580 (3.1~22.8)
 

 

Feedrates

X-axis m/min (ipm) 16 (629.9) 16 (629.9)
Rapid Traverse Y-axis Rate m/min (ipm) 24 (944.9) 24 (944.9)
Z-axis m/min (ipm) 24 (944.9) 36 (1417.3)
Cutting feedrate m/min (ipm) 8000 (315.0) 8000 (315.0)
 

Table

Table size mm (inch) 4000 × 2500 (157.5 × 98.4) 4000 × 2500 (157.5 × 98.4)
Table loading capacity kg (lb) 10000 (22045.9) 3000 (6613.8)
 

Spindle

Tool shank BT50 BT40
Ram size mm (inch) 380 × 380 (15.0 × 15.0)
Max. Spindle speed r/min 10000 12000
 

 

 

ATC

Tool storage capa. ea 40 {60} 30 {40}
Max. tool diameter mm (inch) 125 / 220 (4.9 / 8.7) 85 / 125 (3.3 / 4.9)
Max. tool length mm (inch) 350 (13.8) 300 (11.8)
Max. tool weight kg (lb) 15 (33.1) 8 (17.6)
Tool selection memory random memory random
Motors Spindle motor power kW (Hp) 25 / 30 (33.5 / 40.2) 18.5 / 22 (24.8 / 29.5)
Power source Electric power supply (rated capacity)  

kVA

56  

56

Tank capacity Coolant tank capacity L (galon) 660 (174.4) 660 (174.4)
Lubrication tank capacity L (galon) 4.3 (1.1) 4.3 (1.1)
 

 

Machine Dimensions

Height mm (inch) 4810 (189.4) 3760 (148.0)
Length mm (inch) 4914 (193.5) 4648 (183.0)
Width mm (inch) 10815 (425.8) 10815 (425.8)
weight kg (lb) 45000 (99206.6) 38000 (83774.4)

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