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HH Roberts Machinery Ltd
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Millstar combination horizontal / vertical milling machines
Millstar Combination / Vertical Horizontal Milling Machines
5 Face Machining

All these models are available in Manual and CNC Versions Travels from 43" x 20" up to 79" x 41"

Millstar VH-450  combination horizontal vertical milling machine
Millstar VF-650-A horizontal-Vertical CNC mill.
The Millstar VH-450
Travels 43" x 28.3 x 30.7
The Millstar VF-650
Travels 59" x 40 x 37.4 or
67" x 41. 3 x 37.4
Millstar 520 vertical milling machine

The V-520 Vertcial Mill
Travels 43" x 20" x 20"
# 40 or 50 spindle


Millstar vertical milling machine
The Millstar V-650 Vertical Mill
travels 59" x 25.6 x 28 or
67" x 28 x 28
# 50 taper spindle

Millstar combination horizontal vertical milling machine

Millstar VH-780 combination horizontal vertical milling machine
Travels  80" x 42" x 40"
Both Spindles # 50 taper

workpeice samples


5-SIDE MACHINING
This machine can be fitted withy a rotary table for easy and time saving 5-side machining.

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Millstar vertical and horizontal milling head
Millstar way covers
Millstar coolant lube
VERTICAL AND HORIZONTAL MILLING HEAD
A combination of vertical and horizontal spindles in a milling head for efficient machining.
When operating with a rotary table, 5 surface machining can be quickly accomplished.
The gears inside the milling head are manufactured from SCM-21, carburized and tempered, then precision ground for heavy duty machining and smooth urnning.
Automatic forced lubrication to the milling head gears ensures minimum gear wear and long service life.
Telescopic Slideway Covers
The X,Y axes slideways are protected by telescopic cover to prevent scratching on surfaces from chips, and extend the service life of the machine.
Spindle and Gearbox lubricationa and cooling system
The gears and bearings in the milling head are lubricated by an efficient lubrication system to ensure their normal service life. The oil, after fan cooling, is delivered to the gears and bearings.
Millstar casting
Millstar central lube
Midstate tombstone for horizontal milling
Rugged Saddle
Massive, scientifically rib reinforced saddle provides rigid support for the table and heavy workpieces.
Automatic timed lubrication system
We have Midstate tombstones in stock for fixturing work

Features
The bed, column, saddle and table are manufactured from high quality Meehanite cast iron, stress relieved for high stability.
All slideways are hardened, precision ground, then coated with Turcite-B for maximum wear resistance.
The X, Y axes are protected by stainless steel telescopic covers.
The X, Y axis drive employs high precision C5 class precision ball screws, combined with double nuts, ensuring high accuracy of feed.
The spindle runs on precise angular contact bearings.
The spindle is precision manufactured from SCM21 alloy steel, heat treated and precision ground.
All gears in milling head are hardened and precision ground for quiet running.
The X-axis feed is driven by a high torque servo motor, providing variable feed speed.
The powerful spindle motor gives a high chip removal rate.
Choice of Fanuc or Mitsubishi CNC controller.
All models can be converted into CNC controlled system.
 
VH-450
VYH-480
VH-550
Table Table size mm
1500 x 350
1900 x 420
1900 x 500
X axis travel mm
1100
1300
1300
Y axis travel mm
720
850
950
Z axis travel mm
780
780
800
T-Slot
(width x trough number x pitch)
mm
18 x 3 x 80
18 x 5 x 80
18 x 5  x80
X Feedrate (variable) mm/min
25~1500
30~2800
30~2800
Y Feedrate (variable) mm/min
25~1500
30~2800
30~2800
Z Axis feedrate (variable) mm/min
25~1500
30~1000
30~1000
X Axis Rapid travel  mm/min
1500
2800
2800
Y Axis Rapid travel  mm/min
1500
2800
2800
Z Axis rapid travel 
mm/min
1500
1000
1000
Range of 
cutting 
reference
Cutting length (parameter) mm
1100
1300
1300
Cutting width (parameter) mm
420
450
520
Cutting height (parameter) mm
500
500
520
Loading weight (parameter) kgs
1000
1500
1500
Vertical Spindle
Spindle speed R.P.M(60HZ) RPM
45~1500
45~1500
45~1500
Spindle taper
NT40(NT50)
NT50
NT50
Distance of Spindle nose to table surface mm
0~617
0~583
0~603
Distance of spindle center to column mm
450
480
550
Horizontal
Spindle
Spindle speed R.P.M RPM
45~1500
45~1500
45~1500
Spindle taper
NT50
NT50
NT50
Distance of Spindle center to table surface
0~780
-10~770
-10~810
Distance of spindle nose to table surface
/
260
290
Power Spindle motor
10 HP
10 HP
10 HP
X axis feed motor
1.5 kw
1.5 kw
1.5 kw
Yaxis feed motor
1.5 kw
1.5 kw
1.5 kw
Z axis feed motor
1.5 kw
1.5 kw
1.5 kw
Packing
Dimensions
LxWxH (after packing) mm
2780 x 2060 x 2560
3120 x 2280 x 2550
3120 x 2280 x 2550
Net weight (before packing) kgs
4200 KG
5500 KG
6000 KG
Gross weight (after packing) kgs
5000 KG
6500 KG
7000  KG
 
VH-650-A
VH-650-B
VH-780
Table Table size mm
1900 x 500
2200 x 600
2600 x 700
X axis travel mm
1500
1700
2000
Y axis travel mm
1000
1050
1050
Z axis travel mm
950
950
1000
T-Slot 
(width x trough number x pitch)
mm
18x5x80
20x5x125
20x5x125
X Feedrate (variable) mm/min
30~2800
30~2800
30~2500
Y Feedrate (variable) mm/min
30~2800
30~2800
30~2500
Z Axis feedrate (variable) mm/min
30~1000
30~1000
30~2500
X Axis Rapid travel  mm/min
2800
2800
2500
Y Axis Rapid travel  mm/min
2800
2800
2500
Z Axis rapid travel 
mm/min
1000
1000
2500
Range of 
cutting 
reference
Cutting length (parameter) mm
1500
1700
2000
Cutting width (parameter) mm
620
620
750
Cutting height (parameter) mm
640
640
750
Loading weight (parameter) kgs
2000
2000
3000
Vertical Spindle
Spindle speed R.P.M RPM
45~1500
45~1500
45~1500
Spindle taper
NT50
NT50
NT50
Distance of Spindle nose to table surface mm
0-753
0-753
0~803
Distance of spindle center to column mm
650
650
780
Horizontal Spindle
Spindle speed R.P.M RPM
45~1500
45~1500
45~1500
Spindle taper
NT50
NT50
NT50
Distance of Spindle center to table surface
-10~940
-10~940
-10~990
Distance of spindle nose to table surface
290
290
200
Power Spindle motor
10 HP
15 HP
15 HP
X axis feed motor
1.5kw
1.5kw
3kw
Yaxis feed motor
1.5kw
1.5kw
3kw
Z axis feed motor
1.5kw
1.5kw
3kw
Packing
Dimensions
LxWxH (after packing) mm
3190 x 2520 x 2960
3490 x 2790 x 2970
3790 x 3210 x 3300
Net weight (before packing) kgs
7000 KG
7500 KG
15000 KG
Gross weight (after packing) kgs
8000 KG
8500 KG
16000 KG
Vertical only heads V-520 V-500
Table
Table size   1500 x 350
59" x 14"
1900 x 420
74.8" x 16.5"
X axis travel   1100
43"
1300
51.2"
Y axis travel   520
20.5"
500
19.7"
Z axis travel   500
19.7"
600
23.6"
T-Slot (width x trough number x pitch) mm 18 x 3 x 80 18 x 5 x 80
X Feedrate(Variable) mm/min 25~1500 30~2800
Y Feedrate(Variable) mm/min 25~1500 30~2800
Z Axis feedrate(Variable) mm/min 25~1500 30~1000
X Rapid travel mm/min 1500
59 IPM
2800
110 IPM
Y Rapid travel mm/min 1500 2800
Z Axis rapid travel mm/min 1500 1000
Range of 
cutting reference
Cutting length (parameter) mm 1100
43.3"
1300
51.2"
Cutting width (parameter)  mm 490 470
Cutting height (parameter) mm 500 500
Loading weight (parameter) kgs 1000 1500
Vertical Spindle
Spindle speed  R.P.M 45~1500
(Variable speed)
45~1500
(18 steps)
Spindle  taper   NT 40  (NT 50) NT 50
Distance of spindle nose to table surface mm 100~600 50~650
Distance of spindle center to column slide surface mm 520 500
Power
Spindle motor INV  10 Hp 10 HP
X axis feed motor 1.5 kw 1.5 kw
Y axis feed motor 1.5 kw 1.5 kw
Z axis feed motor 1.5 kw 1.5 kw
Packing
Dimensions
LxWxH (after packing) mm 2590 x 2060 x 2560 2670 x 2280 x 2550
Net weight (before packing) kgs 3800 KG 5200 KG
Gross weight (after packing) kgs 4600 KG 6000 KG
  V-650-A V-650-B
Table
Table size mm 1900x500 2200x600
X axis travel mm 1500 1700
Y axis travel mm 650 700
Z axis travel mm 700 700
T-Slot (width x trough number x pitch) mm 18x5x80 20x5x125
X Feedrate (Variable) mm/ min 30~2800 30~2800
Y Feedrate (Variable) mm/ min 30~2800 30~2800
Z Axis feedrate (Variable) mm/ min 30~1000 30~2800
X Rapid travel mm/ min 2800 2800
Y Rapid travel mm/ min 2800 2800
Z Axis rapid travel mm/ min 1000 1000
Range of 
cutting 
reference
Cutting length (parameter) mm 1500 1700
Cutting width (parameter)  mm 650 620
Cutting height (parameter) mm 700 640
Loading weight (parameter) kgs 2000 2000
Vertical Spindle
Spindle speed  R.P.M 45~1500
(18 steps)
45~1500
Spindle  taper   NT 50 NT 50
Distance of spindle nose to table surface mm 50~750 0~788
Distance of spindle center to column face mm 650 650
Power
Spindle motor   10HP 15HP AC
X axis feed motor   1.5 kw 1.5 kw
Y axis feed motor   1.5 kw 1.5 kw
Z axis feed motor   1.5 kw 1.5 kw
Packing
Dimensions
LxWxH (after packing) mm 3190 x 2520 x 2960 3200 x 2280 x 2550
Net weight (before packing) kgs 6500 KG 7000 KG
Gross weight (after packing) kgs 7500 KG 8000 KG