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Milling Machines - High Speed

High speed machining is a quantifiable condition characterized by low cutting forces and high metal removal. Current high speed machining parameters are in excess of:

• Acceleration rate >2M/sec²(.2G)
• Cutting speed >1500M/min (steel)

High speed milling machines working on 3-D surfaces in mold or die steel (or any other material) routinely produce a finer surface finish and higher accuracy in less time than conventional milling machines. The most critical factor affecting high speed machining is acceleration. Since one or more axis are always increasing or decreasing velocity in a 3-D cut, ultimate feedrate is directly related to acceleration.

A milling machine with higher structural stiffness has a greater potential acceleration rate. Currently, box shaped machine structures; e.g., Bridge, Gantry, are the most widely employed types of high speed mills. An overhead Gantry style exhibits the highest stiffness, acceleration and accuracy. Due to its scalability, this machine type is available in sizes to match the workpiece, from small to large.

DROOP + REIN
FOG(S) M30 5-AXIS HIGH SPEED MILLING MACHINE

Technical Data

MOVEMENTS:

• X-axis (crossrail longitudinal) 4500 mm /177.16"(Opt. 8500 mm / 335")
• Y-axis (milling ram cross) 3200 mm /125.98" (Opt. 4500 mm /178")
• Z-axis (milling ram vertical) 1500 mm /59.05"
• Distance between the side walls 4300 mm /169.29" (Opt. 5600 mm / 220")

CONTROLLED C-AXIS:

• Feed 2160°/ min
• Rapid traverse 4320°/ min
• Max. swivel torque - 8000 Nm /
  5900 ft.lbs
• Max. clamping torque - 12000 Nm /
  8850 ft.lbs
• Swivel range 360° (stepless)

AXIS ACCELERATIONS:

• 2 m / s² (78" / s²)

RAM WITH INTEGRATED C-AXIS:

• Capacity 30 kW / 40 hp
• Speed 20-8000 rpm
• Torque 700 Nm / 516.25 ft.lbs
• Auto-exchangable motor spindles to 42,000 rpm

TRAVERSING SPEEDS:

• X-, Y-axis up to 20.000 mm / min
  (787" / min)
• Z-axis up to 15.000 mm / min
  (590" / min)

MACHINE DATA:

• Machine Weight approx. 95.000 kg / 209.000 lbs

Technical Description

STRUCTURE OF THE MACHINE:

• Configuration with overhead gantry
• Crossrail moving in longitudinal direction together with the milling unit (X-axis)
• Cross slide moving at the cross rail together with the milling unit (Y-axis)
• Milling unit of thermo-symmetric design moving vertically in the cross slide (Z-axis)
• Hydraulic counterbalance for the milling unit (2 cylinder)
• Crossrail, cross slide and milling unit of welded construction
• Side beds and clamping plate of cast iron
• Columns of mineral casting
• Fixator wedges between columns and side beds
• Fixation of the columns on the foundation by anchor bolts

MOTOR SPINDLES:

• Exchangable cartiridges up to 42,000 rpm
• Fixation of the spindles in the fork-type milling head by hydraulic clamping
• Automatic plug-in of all energy and media supplies
• Spindle identification
• Milling spindle drive frequency-controlled, protection IP 54
• Lifetime greasing of bearings
• Circulating oil cooling
• Temperature sensor for length compensation
• Tool holder hollow-shaft taper (HSK) according to DIN 69893
• Automatic tool clamping for tools with hollow shaft taper (HSK) according to DIN 69893
• Clamping of the tools by spring pressure-hydraulic release
• Defined spindle stop for automatic tool change
• Cleaning of tool holder and tool taper by compressed air

Contact CIM Technologies for all of your high-speed milling machine needs.

CIM TECHNOLOGIES INC.
31965 Schoolcraft Road · Livonia, MI 48150-1810
Our business hours are 9:00 a.m. to 5:00 p.m. (Eastern Time)
Phone: 734.513.2525 · Fax: 734.513.2528 · In Canada Call: 519.978.3774
E-mail Us

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