Uus Freespink AIRCRAFT Optimill MF 4-B

MF 4-B Milling & Drilling Machine – Technical Specifications

Design & Build*** Massive construction made from high-quality Meehanite cast iron

• High concentricity due to tapered roller bearings, less than 0.01 mm measured at the quill
• Infinitely variable speed control
• Forward/reverse rotation for thread cutting
• X and Z axes with adjustable 55° dovetail guideways
• Y axis with flat guideway
• Milling/drilling head tiltable ±45°
• Coolant system
• Forward and reverse rotation
• Automatic quill feed, 3-step: 0.04 – 0.15 mm/rev
• Motorized feed on X, Y, and Z axes
• Precision micro-feed
• Milling spindle with precision bearings
• Mechanical spindle brake
• Drilling depth scale and stop
• Cross table with T-slots and coolant channel
• Centralized lubrication
• Height-adjustable safety screen with microswitch for maximum operator protection against flying chips and parts
• Heavy-duty and large-sized cross table, precision surface-machined with T-slots

Model: MF 4-B*** Cross Table Load Capacity: 300 kg

• Travel Distance (X / Y / Z Axis): 740 mm / 330 mm / 320 mm

Dimensions & Weight*** Length: 2400 mm

• Width/Depth: 2160 mm
• Height: 2300 mm
• Weight: 1200 kg

Drilling & Milling Capacity*** Max. Face Mill Size: 76 mm

• Max. End Mill Size: 25 mm
• Drilling Capacity in Steel (S235JR): 24 mm
• Continuous Drilling Capacity in Steel (S235JR): 20 mm

Electrical Connection*** Total Power Consumption: 3 kW

• Supply Voltage: 400 V
• Phases: 3-phase
• Current Type: AC
• Frequency: 50 Hz

Horizontal Milling Table*** Length: 254 mm

• Width: 1370 mm
• Vertical Spindle to Table Distance Max.: 405 mm
• T-Slot Size: 16 mm
• Number of T-Slots: 3
• T-Slot Spacing: 63 mm
• Max. Load Capacity: 300 kg

Horizontal Spindle*** Reach (Distance from Column): 0 – 420 mm

Coolant System*** Coolant Pump Power: 90 W

Motors*** Vertical Spindle Power (Standard Operation): 2.2 kW

Standards & Approvals*** Standard: DIN EN 55011

• EMC Class: C2

Travel (Manual vs. Automatic)*** Manual Travel:

• X-axis: 820 mm
• Y-axis: 410 mm
• Z-axis: 400 mm
• Automatic Travel:
• X-axis: 740 mm
• Y-axis: 330 mm
• Z-axis: 320 mm

Vertical Spindle*** Reach (Throat Depth): 0 – 420 mm

• Spindle Taper: ISO 40 DIN 2080
• Speed Range: 60 – 4200 RPM
• Number of Speed Ranges: 2
• Speed Control: Infinitely variable mechanical control
• Head Tilt (X-Y Plane): 90°
• Head Tilt (Z-X Plane): 45°
• Quill Diameter: 86 mm
• Quill Stroke: 127 mm
• Quill Feed Rates: 0.04 / 0.08 / 0.15 mm/rev
• Head Vertical Travel (Z-Axis): 470 mm

Packaging Unit*** VPE (Packing Unit)**: 1

distance between shaft and table: 470 mm

total power requirements: 2,2 kw kW

spindle rotation speed: 60 – 4200 min¯¹ U/min