
Flat bed CNC Lathe
LD Series
Heavy duty model
- Solid box-construction casting headstock
- Spindle speed ranges are auto changed by M code
- Infinitely variable speeds are commanded by S code
- Three (3) “V" bed ways for better rigidity
- Full power output at low spindle speed
- High torque (166 times of spindle motor torque)
Description | LD 45 | LD 50 | LD 55 | LD 60 |
Capacity | ||||
Swing over Bed | 1135 mm (45") | 1265 mm (50") | 1395 mm (55") | 1520 mm (60") |
Swing over cross slide | 720 mm (28.3") | 850 mm (33.5") | 980 mm (38.6") | 1110 mm (43.7") |
Center height | 585 mm (23") | 650 mm (25.6") | 715 mm (28.1”) | 780 mm (30.7") |
Distance between centers | 1400 (55.12") / 2400 (94.5") / 3400 (132.8") / 4400 (173.23") / 5400 (212.6") / 6400 (252") / 7400 (291.34") / 8400 (330.7") / 9150 (360.24") / 10150 mm (399.6") |
|||
Bed width / Auxiliary guide | 700 mm (27.56") / 850 mm (33.5") | |||
Spindle | ||||
Spindle speeds / Spindle nose | - | |||
Spindle speeds / A2-11(6") | 9~600 rpm ( Opt. 12~800 rpm) | |||
Spindle speeds / A2-15(9") | 9~450 rpm ( Opt. 12~600 rpm) | |||
Spindle speeds / A2-20(12",14.5") | 9~400 rpm (12"), 9~300 rpm (14.5") | |||
Spindle speeds / A2-28 (16") | - | 6~250 rpm | ||
Spindle speeds / A2-28 (21") | - | 6~220 rpm | ||
Spindle center | MT6 | |||
Width of cross slide | 420 mm (16.5") | |||
Width of carriage | 950 mm (37.4") | |||
Turret | ||||
Turret | H4-350 or V8 Hydraulic | |||
Tool size | 32 x 32 mm (1.25”) | |||
X axis Travel | 730mm (28.7") | |||
Z axis Travel | 1-8M: 1300 mm (51.18") – 8300 mm (326.77") 9-10M: 9150 (360.24”) – 10150mm (399.6”) |
|||
X axis rapid travel, Ball screw dia. | 6M / min dia. 40 mm x P5 | |||
Z axis rapid travel, Ball screw dia. | 6M / min, 1M-5M (dia. 63 mm x P10), 6M-7M (dia. 80 mm x P10), 8M-10M ( Rack and Pinion Driver) |
|||
Tailstock | ||||
Quill diameter | Dia. 185 mm (7.3") Rotating quill, Opt. dia. 250 mm (9.8”) / 350 mm (13.7”) | |||
Quill travel | 250 mm (9.84") / Opt. 300mm (11.8”) for tailstock quill diameter 350 mm | |||
Quill taper | MT6 | |||
Motor | ||||
X axis servo motor | FANUC αiF22 4 kw | |||
Z axis servo motor | 1-4M FANUC αiF22 4 kw, 5-7M FANUC αiF22 4 kw (Gear box) 8-10M αiF40 6 kw (Rack and Pinion Driver) |
|||
Spindle motor | FANUC αiI 22 22 / 26 kw (Opt. 30 / 37 kw, 37 / 45 kw, 45 / 55 kw) |
|||
Lubricant pump motor | 25 W | |||
Coolant pump motor | 0.845 kw | |||
Hydraulic pump motor | 2.25 kw | |||
Machine Weight | ||||
1000 mm center distance | 16400 kgs | 17000 kgs | 17600 kgs | 18200 kgs |
Each extra 1000 mm weight | 1500 kgs |
*The Specifications are subject to change without prior notice.
LC Spindle torque - power diagram
FANUC αil18 / 7000 Motor



speed [rpm] | Torque [kg-m] | |||||||||||
S1 | S2 | S3 | S4 | S5 | S6 | T1 | T2 | T3 | T4 | T5 | T6 | |
Motor | 1500 | 1750 | 3500 | 5250 | 6000 | 7000 | 5 | 10 | 12.01 | 14.29 | 15 | 20 |
Spindle M41 i=0.0075 | 11 | 13 | 26 | 39 | 45 | 53 | 667 | 1333 | 1601 | 1904 | 2000 | 2667 |
Spindle M42 i=0.0165 | 25 | 29 | 58 | 87 | 99 | 116 | 303 | 606 | 728 | 865 | 909 | 1212 |
Spindle M43 i=0.0045 | 68 | 79 | 158 | 236 | 270 | 315 | 111 | 222 | 266 | 317 | 333 | 444 |
Spindle M44 i=0.1005 | 151 | 176 | 352 | 528 | 603 | 704 | 50 | 100 | 119 | 142 | 150 | 200 |
LD Spindle torque - power diagram
FANUC αil22 / 7000 Motor



speed [rpm] | Torque [kg-m] | |||||||||||
S1 | S2 | S3 | S4 | S5 | S6 | T1 | T2 | T3 | T4 | T5 | T6 | |
Motor | 1500 | 1750 | 3500 | 5250 | 6000 | 7000 | 5 | 10 | 14.3 | 15 | 16.9 | 20 |
Spindle M41 i=0.0006 | 9 | 11 | 21 | 32 | 36 | 42 | 833 | 1667 | 2380 | 2500 | 2813 | 3333 |
Spindle M42 i=0.0155 | 23 | 27 | 54 | 81 | 93 | 109 | 323 | 645 | 921 | 968 | 1089 | 1290 |
Spindle M43 i=0.0375 | 56 | 66 | 131 | 197 | 225 | 263 | 133 | 267 | 380 | 400 | 450 | 533 |
Spindle M44 i=0.0975 | 146 | 171 | 341 | 512 | 585 | 683 | 51 | 103 | 146 | 154 | 173 | 205 |
Work Range
Unit: mm

LC | C | D |
6" | 96 | 243 |
9" | 87 | 228 |
12" | 93 | 241 |
LD | C | D |
6" | 81 | 227 |
9" | 82 | 222 |
12" | 88 | 235 |
LC | A | B |
30 | 250 | 418 |
45 | 170 | 463 |
40 | 170 | 463 |
LD | A | B |
45 | 260 | 721 |
~ | ||
60" |
Dimension
Unit: mm

Options

Follow Rest (3 V Bed Way)

Steady Rest

B Axis

Hyd. Steady Rest

Y Axis With Indexing Table

Quick Change System

Hydraulic Disk Brake and Rear Chuck Adaptor

Grinding Head

Heavy Cutting Milling Head

Roller Support Bracket

Boring Bar and Holder

Double Turrets

C Axis Gear System with Reducer
Standard Accessories
- Fanuc control and motors
- 6” spindle bore
- H4 or V8 hydraulic turret
- Auto coolant, hydraulic and lubrication system
- Box way on cross slide
- Splash guard
- Hydraulic tailstock with rotating quill
- Chip conveyors
(auger for front and chain for rear) - Work light
- Tool box with tools
Options
- Extra spindle bore, motor and speeds
- Spindle oil chiller
- Hydraulic / manual chuck
- Face plate
- C axis or Spindle 5 / 15 degree indexing
- Y axis
- Driving Tool Turret
- Steady rest, follow rest
(Hydraulic or Manual) - Special boring bar holder
- Heavy duty milling attachment
- Grinding head on turret or cross slide
- Tool presetter
- Higher coolant pressure
- Cutting pass through steady rest equipment (LC only)
- CE Mark
- Transformer