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HH Roberts Machinery Ltd
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Millstar Horizontal / Vertical Universal Milling Machines

Millstar Universal Horizontal / Vertical Milling Machines
40"  or  51"   x  15" travels

Millstar JY-2HT universal horizontal / vertical milling machine by Jiuh Yeh
The Millstar JY-2HT with Horizontal spindle and
quill head. Heavy duty vertical head optional.

Millstar JY-2VH Horizontal vertical combination milling machine
The Millstar JY-2VH Horizontal mill is
also available with vertical head.

Millstar JY-2T Vertical milling machine
Millstar JY-2VHT Horizontal Vertical universal milling machine

Millstar KT200S vertical knee type milling machine

Millstar TM-3D tracer milling machine
Copy milling machine
Hydraulic tracer

Details specs (below)

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Features
• The machine column is manufactured from high quality cast iron FC-30, tempered for long term accuracy.
• FC-30 cast iron table is tempered, hardened and precision ground.
• The spindle is precision machined from SCM-21 alloy steel. tempered and carbon treated,
    ensuring maximum stability for heavy duty cutting.
• X and Y axes are driven by an AC servo motor for smooth traverse.
• X and Y axis slideways are precision ground, and coated with Turcite-B wear resistant media.
• The knee has vertical rapid traverse
• X and Y axes employ precision ball screws.
• The drive gears in the powerful vertical head are hardened and precision ground for maximum wear resistant
    and quiet running.
• automatic lubrication system to 3-axis slideways, feed screws, gears and bearings, ensuring high working
    efficiency and long service of parts.
• The coolant tray effectively prevents cutting fluid leakage.
• Employs high pressure coolant pump for efficient chip removing.
• Halogen work fight.

Millstar Horizontal Attachment Horizontal Spindle
* Geared drive.   The gears are hardened and precision ground.
* 9 spindle speeds.
* 5 HP spindle motor.
* Spindle taper #40
Millstar Vertical head Rigid vertical head - driven by horizontal spindle.
* The gears are hardened and precision ground on the gear drive  milling head.
* 9 spindle speeds.
* 5 HP spindle motor. ( horizontal spindle motor )
* Milling head tilts 90° right and left.
* Spindle taper #40
Millstar Table feedbox Servo motor drive for two axes
* The X and Y axes are driven by an AC servo motor, providing  feeds and rapid traverse speed up to 2500 mm / min.  ( 100 IPM )
Millstar ballscrews Precision ball screws on X and Y axes
* The X and Y axes are transmitted by precision ball screws, combined with preloaded double nuts for extremely smooth and high precision working, with minimum backlash.
Millstar Knee lift Power elevation of knee
The knee elevation is driven by an individual motor for convenient operation.
The knee also has rapid traverse function.

  JY-2VH JY-2T JY-2HT JY-2VHT KT-200S
Table
Table size
1300 x 300
51.18" x 11.8"
X-axis travel
1000 mm
39.37"
700 / 750 mm
27.56" / 29.53"
Y-axis travel (power / manual )
360 / 390 mm
14.17 / 15.35"
Z-axis travel (power / manual
450 / 490 mm
17.71" 19.29"
380 mm
14.96"
T-slot (Size x numbers x distance)
16 x 3 x 63
X, Y axes feedrate (variable)
2500 mm/min
100 IPM
/
X, Y axes rapid travel
2500 mm/min
100 IPM
/
Z-axis rapid travel
750 mm/min
29.52 IPM
1400 mm
55 IPM
Vertical Spindle / Turret Head
Spindle speeds RPM
/
16 steps,75-3600(standard)¡þvariable,80-3800(optional)
Quill travel
/
140 mm
5.5"
Quill feedrate (3 steps)
/
0.035,  0.07,  0.14 mm/rev
.0014, .003, .055 inch/rev
Spindle nose
/
N.S.T 40#
Swivelling angle of spindle head (R & L)
/
45°
Swivelling angle of overarm
/
360°
Overarm travel
/
660 mm
26"
Spindle nose to table surface
/
110 - 560 mm
4.33 - 22"
20 - 540 mm
0.78 - 21.25"
Spindle center to column
/
110 - 700 mm
4.33 - 27.55"
200 - 800 mm
7.87 - 31.5"
Rigid Vertical Head
Spindle speeds RPM
9 steps,85-1300
/
/
9 steps,85-1300
/
Spindle nose
N.S.T 40#
/
/
N.S.T 40#
/
Spindle nose to table surface
0 - 386 mm
0 - 15.27"
/
/
0 - 386 mm
0 - 15.27"
/
Spindle center to column
369
/
/
369
/
Horizontal Spindle / Horizontal Head
Spindle speeds RPM (60HZ)
9 steps,85-1300
/
9 steps,85-1300
9 steps,85-1300
/
Spindle nose
N.S.T40#
/
N.S.T40#
N.S.T40#
/
Dial of milling arbor
25.4
/
25.4
25.4
/
Spindle center to table surface
0 - 450 mm
0 - 17.71"
/
0 - 450 mm
0 - 17.71"
/
Spindle center to overarm bottom
369 mm
14.52"
/
369 mm
14.52"
/
Motors
Turret head spindle
/
5 Hp
Horizontal spindle
5HP
/
5 Hp
/
Table X Y axes feedrate
750W servo motor
Vertical feedrate
1HP
Coolant pump
1/8 HP
Model
JY-2VH JY-2T JY-2HT JY-2VHT KT-200S
Net Weight (Approx) 2250 Kg
4,950 Lb
2250 Kg
4,950 Lb
2500 Kg
5,500 Lb
2650 Kg
5,830 Lb
2150 Kg
4,730 Lb
External dimensions
(LxW xH)
2060 x 1820 x 2240mm 2060 x 1820 x 2240mm 2060 x 1820 x 2240mm 2060 x 1820 x 2240mm 2060 x 1870 x 2487mm

Standard Equipment
Automatic lubrication
Ball screws on X and Y
Coolant system
Tool kit
Milling arbor with spacer
Draw bars for each spindle
Splash guard
Chip pan
Halogen work light
Options
Turret head variable speeds 80-3,800 rpm
Oversized tables with increased travels as shown above
Z axis with variable feed rate (inverter)
Digital readout
Air power draw bar
Dividing head
Rotary table
Swivel vise