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Universal milling machines

Universal milling machines

VNF-series machines are the best choice for equipping mechanic′s workplace, in-plant training, piece parts production or spare parts production as well as prototyping.

The major units are standardized and suitable for all models of VN design range.

Possible commercial production of this group of machines will allow using operating economies in forming the price of the machines.

Features:

  • Vertical milling head with stable gear box with continuous force transmission without torque reduction (VNF 1)
  • Quill extension using either hand coarse feed or hand micro-feed
  • Easy hand micro-feed using grip handle
  • Easy start of vertical spindle rotation speed
  • Switching of horizontal spindle rotation speed to VNF 1 using V-belt drive
  • Vertical head turns both directions to horizontal plane; upper crossbar turns on the pyramid column
  • Trunnion-type worktable, with calibrated scale
  • Table feed along X-axis through the transmission gear for continuous force transmission without torque reduction
  • Clear readable dial and scales on all hand wheels and feeds
  • Adjustable stops on all axes
  • Adjustable dovetail guides on all 3 axes
  • Clamping devices on all 3 axes
  • Height adjustment of the worktable using ergo-designed crank handle. All 3 axes are provided with clamping device
  • Vertical head can rotate ±90° both directions; quill feed occurs using cross bar or fine feed hand wheel
  • Using built-in feeder (standard accessory), travel along X-axis is possible using either hand wheel or feeder
  • To use horizontal spindle, upper bar can be turned ±90° on the stand. Spindle rotation speed can be changed using transmission gear lever

Standard accessories:

  • Digital Readout Unit
  • Drill socket 16 mm
  • Mill socket ISO 30
  • Reducing bushing ISO 30 МК 3
  • Reducing bushing ISO 30 МК 2
  • Jaw
  • Local lighting
  • Backup tools
Technical data VNF VNF 1 VNF 2
Max.drilling in steel diameter 30 mm 30 mm
Max.milling in steel diameter 25 mm 25 mm
Thread cutting up to M 16 M 16
Boring up to 90 mm 80 mm
Spindle taper ISO 30 ISO 30
Vertical spindle rotation speed 8 8
Rotation speed range 115 - 1750 rpm 115 - 1750 rpm
Horizontal spindle rotation speed 9 9
Rotation speed range 60 - 1350 rpm 40 - 1300 rpm
Spindle-base extension 200 - 700 mm 200 - 550 mm
Spindlenose-to-table distance 0 - 300 mm 100 – 420 mm
Horizontal spindlenose-to-table distance 0 – 380 mm 0 – 380 mm
Table work area 800 x 240 mm 1120 x 240 mm
X-travel 350 mm 460 mm
Y-travel 210 mm 230 mm
Quill travel 120 mm 120 mm
Vertical engine 1,5 kW 1,5 kW
Horizontal engine 2,2 kW 2,2 kW
Dimensions, mm 1280 x 1100 x 1920 1320 x 1280 x 2200
Weight 970 kg 1120 kg

Universal milling machines VNF 3-series

VNF 3-series machines are well suited for drilling and milling operations and are distinctive for their large travel range of work piece.

Features:

Universal milling machines
  • auto-feed and rapid travel along all 3 axes
  • Vertical head, rotation ±45°
  • Separately connected distribution gear boxes for horizontal and vertical spindles, lubricated in "oil bath"
  • Quill feed using hand wheel while drilling, fine hand feed while milling
  • 3 automatic quill feeds
  • For horizontal spindle operation, upper bar together with the head can be fully rotated on the stand
  • Polished adjustable dovetail guides on X axis and wide square guides on Y and Z axes
  • Locks on all 3 axes
  • Adjustable drilling depth and table travel stops

Standard accessories:

  • Digital Readout Unit
  • Drill socket ∅16 mm
  • Milling socket ISO 40
  • Collet chuck ISO 40 with collets (∅4, 5, 6, 8, 10, 12, 14, 16 mm)
  • Reducing bushing ISO 40 / МK3 and ISO 40 / МK2
  • Coolant
  • Halogen local lighting
  • Jaw 160 mm
  • Service tools
  • Operation manual
Technical data VNF 3
Worktable
Base table surface mm 1320 x 320
T-slots (quality/ width/ distance) mm 5/14/50
Table load kg 300
Feed
Travel along X axis (without DRO/ with DRO) mm 800/750
Travel along Y axis (without DRO/ with DRO) mm 300/250
Travel along Z axis mm 400
Travel speed along X axis (from-to / q-ty) mm/min 20-360 / 8
Travel speed along Y axis (from-to / q-ty) mm/min 20-360 / 8
Rapid travel along X axis mm/min 1024
Rapid travel along Y axis mm/min 1024
Rapid travel along Z axis mm/min 670
Vertical cutter head
Spindle lock   ISO 40
Spindle rotation speed (from-to / q-ty) min-1 90-2000 / 8
Quill travel mm 120
Quill feed mm/r (3) 0,08; 0,15; 0,25
Extension mm 200 - 540
Vertical spindle-table distance mm 140 - 540
Head rotation angle   ±45°
Horizontal cutter head
Spindle lock ISO 40
Spindle rotation speed (from-to / q-ty) min-1 38-1310 / 12
Horizontal spindle axis-table distance mm 50 - 450
Operating capacity
Motors (vertical/horizontal) kW 1,5 / 1,5
Drive motors kW 0,55
Coolant pump kW 0,09
Dimensions and weights
Dimensions (LxWxH) mm 1710 x 1720 x 2330
Machine weight kg 1800


Universal vertical milling machines

Universal milling machines   Universal milling machines
UNM 2-series
Universal milling machine UNM 2, for flexible use in vertical and horizontal machining
  VNM 2-series
Vertical milling machine VNM 2 with rotary head, especially for complex parts production

Features:

  • Wide, polished and tempered square guides
  • Auto-feed along all 3 axes
  • Tempered and polished table
  • Rotary cutter head ± 45°
  • Rotary control panel
  • Coolant feeder and centralized lubrication system
  • Mechanical axes braking in all directions
  • Local lighting

Standard accessories for UNМ 2:

  • 3-axis digital readout unit
  • Collet chuck with collets (∅ 4, 5, 6, 8, 10, 12, 14, 16 mm)
  • Reducing bushing МK4
  • 2 milling arbors 750 mm (∅ 27 mm and ∅ 40)
  • Machine vise 160 mm
  • Special tools
  • Operation manual

Standard accessories for VNМ 2:

  • 3-axis digital readout unit
  • Collet chuck with collets ∅ 3, 5, 8, 12, 15, 18, 22, 26 mm
  • Reducing bushing МK4
  • Coolant feeder
  • Centralized lubrication system
  • Local lighting
  • Machine vise 160 mm
  • Special tools
  • Operation manual
Technical data VNM 2 UNM 2
Spindle adjustment horizontal   - ISO 50
vertical ISO 50 ISO 40
Front spindle nose-to-table distance mm 45 - 445 0 - 400
Front spindle nose-to-column distance mm 320 175
Rotation speed (infinite) rpm (12) 58- 1710 (12) 58- 1800
Table size mm 1320 x 320 1320 x 320
Reversible head   ±30° ±45°
Travel path X axis mm 750 (by hand 800) 750 (by hand 800)
Y axis mm 300 300
Z axis mm 400 400
Feed rate X, Y axis mm/min 20 - 360 (8 stages) 20 - 360 (8 stages)
Feed rate Z axis mm/min 600 600
T-slots (Q-ty x Width x Distance) mm 5 x 14 x 63 5 x 14 x 63
Max. height adjustment rate mm/min 600 600
Main motor kW 4 4
Feed motor kW 0,55 0,55
Feed motor along Z kW 0,75 0,75
Coolant pump W 90 90
Coolant pump flow rate l/min 25 25
Dimensions (LxWxH) mm 1770 x 1820 x 1880 1900 x 1720 x 1750
Weight kg 2300 2100

UNM 4-series Universal milling machines with cycle control and vertical milling head.

Features:

Universal milling machines
  • Using interchangeable pawls the machines can be put into semiautomatic cycle left/right, as well as semiautomatic pendulum cycle
  • Counter milling available
  • Table can rotate ± 45°
  • Stable square guides along Z and Y axes (scraping on UNМ 4)
  • Dovetail guides along X axis
  • Electromagnetic coupling for feed switching
  • Clamping devices along all axes
  • All controls are located in the centre and are clearly visible.

3-axis DRO unit basic configuration

Universal milling machines

Data for vertical milling head:

  • Spindle nose-to-worktable distance is 65 mm
  • Transmission ratio 1 : 1
  • Rotation angle ± 90°

Standard accessories:

  • Vertical milling head
  • Coolant feeder
  • Milling arbor (dia. 27 mm)
  • Backup tools
Technical data UNM 4
Main data:
Spindle axis-to-table distance min. 30 mm
max 490 mm
Vertical column guides-to-table centre distance min. 280 mm
max 640 mm
Spindle axis-to-arm distance 150 mm
Foundation-to-spindle axis distance 1430 mm
Table:
Table work area 320x1350 mm
Left and right table rotation 45°
Longitudinal table travel by hand 1000 mm
mechanically 980 mm
Transverse table travel by hand 360 mm
mechanically 340 mm
Vertical table travel by hand 460 mm
mechanically 440 mm
T-slots 35
T-slots width 18 mm
Distance b/w T-slots 63 mm
Table feeds (q-ty) 18
Standard feed range: longitudinal feeds 12,5 - 630 mm/min
transverse feeds 12,5 - 630 mm/min
vertical feeds 5,2 - 262 mm/min
Rapid travel longitudinal feeds 2500 mm/min
transverse feeds 2500 mm/min
vertical feeds 1040 mm/min
Spindle:
Spindle taper ISO 50
Spindle hole diameter 27 mm
Diameter under front end bearing 110 mm
Rotation speed stages (q-ty) 18
Main transmission range: standard 32 - 1600 mm/min
Drive:
Electric motor for main transmission power 7,5 kW
rotation speed 1410 mm/min
Feed box electric motor power 2,2 kW
rotation speed 940 mm/min
Dimensions (L x W x H) 2622x2100x1780 mm
Weight 2850 kg

UNM 5-series – universal milling machines with cutter head adjustable in two planes; heavy-duty easily controlled milling machines used for semiautomatic machining of complex shape parts.

Universal milling machines Universal milling machines
Universal milling cutter head adjustable in two planes, can be adjusted to almost any spherical angle

Features:

  • High permissible torsion load due to ribbed surface profile of cast body and large deadweight of the machine (3500 kg)
  • Automatic, semiautomatic and straight gear cam-driven cycle shift
  • Worktable, 45° inclinable
  • Universal milling cutter head adjustable in two planes, can be adjusted to almost any spherical angle
  • Stable square table guides
  • Feed and rapid travel along all 3 axes
  • Simultaneous treatment of the work piece using both horizontal and vertical spindles is possible
  • Controls are clearly visible
  • Spindle and gears are made of tempered and polished steel
  • Powerful main motor (5,5 or 7,5 kW)
Technical data UNM 5
Table size 360x1500 mm
Left and right table rotation 45°
Technical travel length X axis (by hand) 1150 mm
mechanically 1130 mm
Y axis (by hand) 360 mm
mechanically 340 mm
Z axis (by hand) 460 mm
mechanically 440 mm
T-slots (5) 18 mm
Distance b/w T-slots 63 mm
Horizontal spindle axis-to-table distance 30 - 490 mm
Vertical spindle nose-to-table distance 170 - 630 mm
Feed range X axis 40 - 1000 mm/min
Y axis 40 - 1000 mm/min
Z axis 16 - 416 mm/min
Rapid travel X/Y axis 2500 mm/min
Z axis 1040 mm/min
Spindle taper horizontal ISO 50
vertical SK 40
Spindle hole diameter horizontal 29 mm
vertical 28 mm
Spindle rotation range horizontal (18) 32-1600 mm/min
vertical (12) 36-1600 mm/min
Main motor horizontal spindle 7,5 kW
vertical spindle 5,5 kW
Axial motor 2,2 kW
Weight 3500 kg
Dimensions (L x W x H) 2680 x 2260 x 2000 mm

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