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ROUNDTOP MACHINERY INDUSTRIES CO., LTD.
The fact that ROUNDTOP has had very rapid growth since our establishment has not changed our view that every day is an opportunity for even greater achievement. In 1979 we were producing only one model of conventional milling machine. Now we are one of the most diversified manufacturers producing vertical machining centers, horizontal machining centers, double column machining centers, Multi-Axis/5-Face Machining Centers, vertical turning centers, high speed machining centers and CNC lathes.

INTRO/MAIN PRODUCT | E-CATALOG | VIDEO | WEB

 
              


DMC-4000
  		Please visit our on-line digital catalogs for details.
| E-CATALOG


 

Features
 
  1. Large diameter spindle with big power.
  2. Twin hydraulic cylinders for balance.
  3. The largest bridge and saddle in the industry.
  4. The largest ballscrews in the industry.
  5. The largest servo motors in the industry.
  6. Twin chip removal systems.
  7. Massive one piece castings.
  8. Excellent ATC system.
  9. The largest order-made machine available.


ITEM / MODEL DMC-4000x2800x800 DMC-4000x2800x1066 DMC-4000x2800-R2 DMC-4000x2800-5F
AC4 AC5
Distance
Between Columns 		2800 mm (110.2")
Table Size 4200 x 2200 mm (165.3" x 86.6")
X Axis Travel 4000 mm (157.4")
Y Axis Travel 2800 mm (110.2") 3600 mm (141.7")
Z Axis Travel 800 mm (31.5") 1066 mm (42") 1066 mm (42") 1066 mm (42")
Spindle Nose To Table 150 ~ 950 mm
(5.9"~ 37.4") 		150 ~ 1216 mm
(5.9"~ 47.9") 		150 ~ 1216 mm
(5.9" ~ 47.9") 		300 ~ 1366 mm
(11.8" ~ 53.7")
Spindle Taper BT-50 / CAT-50 AC41: No.40
AC42: HSK A63 		AC51: No.50
AC52:HSK A100		 BT-50 / CAT-50
Spindle Diameter 90 mm ( 3.5") - 90 mm ( 3.5")
Spindle Speed 6000 rpm Hi-Lo Gear 50 ~ 20000 rpm 50 ~ 10000 rpm 10 ~ 6000 rpm (Vertical)
10 ~ 2000 rpm (Horizontal)
Spindle Motor 22 / 26 kW 21 / 24 kW 30 / 36 kW 22 / 26 kW
X-Y-Z Rapid Traverse 12 ~ 12 ~ 10 m/min 12 ~ 12 ~ 10 m/min
X-Y-Z Cutting Feed 1 ~ 10000 mm/min 1 ~ 10000 mm/min
ATC Adjacent Pockets Max. Tool Dia. 125 mm ( 4.9") 75 mm
( 3") 		125 mm
( 4.9") 		125 mm
( 4.9")
No. Of Tools 40 tools Std. (60, 80, 120 Opt.) 40 tools Std.
(60, 80, 120 Opt.)
Vertical & Horizontal tool change
Max. Tool Diameter 200 mm ( 7.8 ") 100 mm
( 3.9") 		200 mm ( 7.8 ")
Max. Tool Length 400 mm (15.7 ") 320 mm (12.6") 400 mm (15.7 ")
Max. Tool Weight 20 kg (44 lb) 10 kg
(22 lb) 		20 kg (44 lb)
Tool Selection Bi-direction random type. Shortest path
Table Load Capacity 20000 kg
(44000 lb)		 20000 kg
(44000 lb) 		20000 kg
(44000 lb)
Dimensions Length 10900 mm (429") 10900 mm (429") 10900 mm (429")
Width 5680 mm (223.6") 6500 mm (256")
7400 mm (291.3")
Height 4550 mm (180") 4850 mm (191") 6280 mm (247.2") 6500 mm
(256") 		5800 mm
(228.3")
Machine Weight 64200 kg
(141400 lb) 		66200 kg
(145800 lb) 		71000 kg
(156400 lb) 		74000 kg
(162800 lb) 		74000 kg
(162800 lb)
 



Whatever you need for milling and turning we offer the best.