High Productivity Vertical Machining Center

High Productivity Vertical Machining Center

High Productivity Vertical Machining Center The VC 500 is designed for high-speed and superior precision machining in a production environment. Its powerful drives, heavy cutting, Y-axis column-moving, and unsurpassed rigidity provide exceptional precision, high productivity and years of trouble-free performance 2

This machine has optional accessories. 3

High Speed Spindle Head Powerful high-speed and precision. The high speed 10,000 rpm 40 taper spindle is a true cartridge type unit supported by four precision class P4 high speed bearings which are permanently greased and lubricated. The spindle is driven by a high torque 15 kw (30 min.) A.C. motor delivering an impressive 152.9 N.m. Power is transferred through a heavy duty cogged drive belt eliminating slippage, promoting thermal stability, and minimizing vibration. A refrigerated spindle cooling system circulates cooling oil to maintain a constant temperature for high accuracy, regardless of the ambient temperature or cutting conditions. An encoder is attached to the spindle to allow rigid tapping. Max. spindle speed 10,000 rpm Motor (30min) 15 kw Spindle power-torque diagram Standard 10,000rpm (15kW) Oil cooler A refrigerated spindle cooling system circulates cooling oil to maintain a constant temperature for high accuracy, regardless of the ambient temperature or cutting conditions. (kw) (N.m) 152.9 111.7 18.6 13.1 10.8 8.8 938 7,500 10,000 Rigid Body Travel axes (X/Y/Z) 760/510/570 mm The one piece bed is a rigid, heavily ribbed, Meehanite, casting that remains stable under the heaviest cutting conditions. Fine grained Meehanite cast iron is used for its excellent vibration absorbing characteristics. The VC 500 features a superior traveling column design. The table, and therefore the workpieces remain stationary during machining. This design provides a uniform load to the guideways, ball screws and motors. 4

Minimized Non Cutting Time Suitable for high productivity. Automatic Tool Changer Tool change time (T-T-T) 1.5 sec. Sophisticated mechanisms drastically reduce non-cutting time. Tool-to-tool: 1.5 sec, Chip-to-chip: 4.5 sec 30 stations Tool magazine The 30 station, automatic tool changer accepts 40 taper tooling. Its reliable double-arm system provides a 1.5 second tool-to-tool and 4.5 second chip-to-chip times. ATC has a bi-directional magazine that automatically takes the shortest path. Dual indexing pallet (APC) Pallet change time 5.5 sec. Pallet size 2-860 570 mm Pallet loading capacity 2-300 kg The automatic 180 degree rotating pallet is an integral part of the VC 500. The pallet mechanism is mounted directly to the bed of the machine on a horizontal plane to enhance the table rigidity. Because the pallet is stationary during machining, the non-cutting side of the pallet can be set-up while the workpiece is being machined on the machine side. The pallet rotates 180 degrees by hydraulic rack and pinion gear and clamps with 4,500 kg of hydraulic force. The maximum workpiece weight is 300 kg per table side. The pallet rotation time, including clamp and unclamp, is only 5.5 seconds. 5

Advanced Performance & Units Coolant System The large capacity coolant tank is located on rollers. The coolant tank is isolated from the machine bed to prevent heat transfer and associated thermal distortion. The high volume flood coolant is standard and through the spindle coolant is also available. Rigid Tapping A standard rigid tapping function allows synchronized, high-speed tapping with a standard collect chuck. This eliminates the need for special tap holders. The tapping depth can be accurately controlled. Lubrication A lubrication system provides automatic lubrication to all guideways and ball screws. The way oil is delivered by piston distributors which precisely meter the volume. A low level alarm prevents the machine from restarting. Axis Drivers & Ball Screw All axes, feature heavy duty roller type linear motion guideways, providing stable cutting capabilities even during heavy cutting. Oversized AC servo drives power through the toughest cuts in the toughest metal. The high torque servos are coupled directly to the ball screws. The ball screws are center mounted and supported on both end by high precision angular contact thrust bearings. This single pretension design provides outstanding positioning repeatability with minimized thermal growth. 6

Enhanced Machining Accuracy Designed for exceptional high accuracy and minimized thermal displacement and vibration. The results indicated in this catalog may not be obtained due to differences in environmental conditions during measurement and cutting conditions. Machine Capacity Roundness 6.14 Model : VC500 Material : A7075F Tool : Endmill 12 (4 blades) Ra Roughness 0.17 Spindle speed : 6,000 rpm Feedrate : 1,200 mm/min Guarantees high-power and accuracy in a variety machining operations Face mill Aluminum (ALDC7) Face mill Gray casting (GC25) Face mill Carbon steel (SM45C) Ø80 Face mill (6Z) Machining rate 1,754 cm 3 /min Spindle speed Feedrate 4,177 rpm 6,266 mm/min Ø80 Face mill (6Z) Machining rate 568 cm 3 /min Spindle speed 676 rpm Feedrate 1,623 mm/min Ø80 Face mill (6Z) Machining rate 426 cm 3 /min Spindle speed 676 rpm Feedrate 1,218 mm/min Drill Gray casting (GC25) ø50mm Ø50 U-Drill Machining rate ø50mm ø50mm 573 cm 3 /min ø50mm Spindle speed Feedrate ø50mm Tap Carbon steel (SM45C) Spindle speed 955 rpm 191 mm/min 230 rpm 1,035 mm/min A standard rigid tapping function allows synchronized, high-speed tapping. This eliminates the need for special tap holders. Tool M42 P4.5 Feedrate 7

Optional Equipment Pneumauic Hydraulic Connection example of additional axis interface In case of additional axis, Hydraulic unit may be additionally neccesarry according to rotary table specification Recommandable rotary table size : ø200mm Connection example of fixture interface Fixture check list (for hydraulic / pneumatic fixtures) Contact Doosan for more information Pressure source Hydraulic P/T A/B Pneumatic P/T A/B Number of ports 1pair (2-PT 1/4 port) 2pair (4-PT 1/4 port) 3pair (6-PT 1/4 port) 4pair (8-PT 1/4 port) Hydraulic power unit Supply scope : User Doosan (Please check the below detail specification, if you want to supply Doosan) Use Doosan standard unit 24 lpm / 50 bar Special requirement lpm at Mpa 8

External Dimensions unit : mm Top View TSC filter (Option) Air & Electrical Connection Cooler (Option) Left View R550 510 (Y-storke) 3207 2002 790 415 90 (Spindle Head Center) (Table turn Center) R550 5 758 1507 210 570 (Z-storke) 722 (OP Door Open Width) 970 1215 480 Front View 1285 1295 Right View 3164 5 2265 894 760 (X-storke) 1110 (OP Door Open Width) 2580 974 770 560 334 3164 435 (ATC Door Open Width) 5 2618 317 2935 Table Dimensions & Tool Shank unit : mm MAS403 BT40 9

Machine Specifications Travel Table Spindle Feedrate Automatic tool changer Motor Power source Tank capacity Machine size Nope : { } are optional Standard Feature Features VC 500 X-axis(longitudinal movement of table) mm 760 Y-axis(cross movement of saddle) mm 510 Z-axis(vertical movement of spindle head) mm 570 Distance from table surface to spindle gage plane mm 210-780 Distance from column front surface to spindle center mm 530 Pallet size 2-860 570 Pallet loading capacity kg 2-300 Pallet surface mm 2 42 - M16 P2.0 Max. spindle speed rpm 10,000 {12,000} Spindle taper ISO#40, 7/24 Taper Max. spindle torque N.m 152.9 {203.8} Rapid traverse rate(x/y/z) m/min 40/40/32 Cutting feedrate mm/min 1-8,000 Tool shank MAS403 BT40 Tool storage capacity 30 Max. tool diameter mm 87 Max. tool diameter without adjacent tools mm 150 Max. tool length mm 300 Max. tool weight kg 8 Method of tool selection Memory Random Tool changing time(tool-to-tool) sec 1.5 Tool changing time(chip-to-chip) sec 4.5 Spindle drive motor(30 min) kw 15 {22*} Feed motor(x/y/z) kw 4.0/4.0/7.0 Electrical power supply (Rated Capacity) kva 35.1 Compressed air supply MPa 0.54 Coolant tank capacity 270 Lubricant tank capacity 1.8 Machine height mm 3,170 Machine dimensions (L W) mm 3,360 2,760 Machine weight kg 9,200 APC guard for safety Assembly & operation tools ATC guard for safety Coolant tank & chip pan Optional Feature 4th axis preparation Automatic door Automatic measuring system Automatic power off Automatic tool length measurement with sensor Chip conveyor & chip bucket Door interlock for safety FANUC 21i-MB controller Full enclosure splash guard Installation parts Electric power transformer Fanuc 18i-MB controller Hydraulic line for work fixture system Oil skimmer Pneumatic line for work fixture Rotary table Operator call lamp (red, yellow, green) Work light Shower coolant Test bar Through the spindle coolant system Tool monitoring system Design and specifications are subject to change without notice. Doosan is not responsible for difference between the information in the catalogue and the actual machine. 10

NC Unit Specifications (Fanuc 21i-MB) AXES CONTROL - Controlled axes 3 ( X,Y,Z ) - Simultaneously controllable axes Positioning(G00)/Linear interpolation(g01) : 3 axes Circular interpolation(g02, G03) : 2 axes - Backlash compensation - Emergency stop / overtravel - Follow up - Least command increment : 0.001mm / 0.0001 - Least input increment : 0.001mm / 0.0001 - Machine lock all axes / Z axis - Mirror image Reverse axis movement (setting screen and M - function) - Stored pitch error compensation Pitch error offset compensation for each axis - Stored stroke check 1 Overtraval controlled by software INTERPOLATION & FEED FUNCTION - 2nd reference point return G30 - Circular interpolation G02, G03 digits - Dwell G04 - Exact stop check G09, G61(mode) - Feed per minute mm / min - Feedrate override (10% increments) 0-200 % - Jog override (10% increments) 0-200 % - Linear interpolation G01 - Manual handle feed (1 unit) - Manual handle feedrate 0.1/0.01/0.001mm - Override cancel M48 / M49 - Positioning G00 - Rapid traverse override F0 (fine feed), 25 / 50 / 100 % - Reference point return G27, G28, G29 - Skip function G31 SPINDLE & M-CODE FUNCTION - M- code function M3 digits - Spindle serial output - Spindle speed command S5 digits - Spindle speed override (10% increments) 50-150 % TOOL FUNCTION - Cutter compensation C G40, G41, G42 - Number of tool offsets 64 EA - Tool length compensation G43, G44, G49 - Tool number command T2 digits PROGRAMMING & EDITING FUNCTION - Absolute / Incremental programming G90 / G 91 - Auto. Coordinate system setting - Background editing - Canned cycle G73, G74, G76, G80 - G89, G99 - Circular interpolation by radius programming - Decimal point input - I / O interface RS - 232C - Inch / metric conversion G20 / G21 - Label skip - Local / Machine coordinate system G52 / G53 - Maximum commandable value 99999.999mm ( 9999.9999 inch) - No. of Registered programs 125 EA - Optional block skip - Optional stop M01 - Part program storage 160 m - Program number O4-digits - Program protect - Program stop / end M00 / M02,M30 - Rigid tapping G84, G74 - Sub program Up to 4 nesting - Tape code ISO / EIA Automatic discremination - Thread cutting - Work coordinate system G54 - G59 OTHERS FUNCTIONS (Operation, Setting & Display, etc) - Alarm history display - Clock function - Cycle start / Feed hold - Display of PMC alarm message Message display when PMC alarm occurred - Dry run - Graphic display Tool path drawing - Help function - Loadmeter display - MDI / DISPLAY unit 9.5 mono LCD, keyboard for data input, soft-keys - Memory card interface - Operation functions Tape / Memory / MDI / Manual - Operation history display - Program restart - Run hour and part number display - Search function Sequence NO. / Program NO. - Self - diagnostic function - Servo setting screen - Single block OPTIONAL SPECIFICATIONS - 3rd / 4th reference return - Additional controlled axes 5 axes in total - Additional work coordinate system G54.1 P1-48 ( 48 pairs ) - Automatic corner override G62 - Coordinate rotation G68,G69 - Custom macro B - Cylindrical interpolation G07.1 - Data server - Dynamic graphic display Machining profile drawing - Ethernet function - Extended part program editing - EZ Guide i (Conversational Programming Solution) with 10.4 Color TFT - Helical interpolation - High speed skip function - Look ahead control G08 - Machining time stamp function - No. of Registered programs 200 / 400 EA - Number of tool offsets 99 / 200 / 400 EA - Optional angle chamfering / corner R - Part program storage 320 / 640 / 1,280 m - Polar coordinate command G15 / G16 - Programmable data input Tool offset and work offset are entered by G10, G11 - Programmable mirror image G50.1 / G51.1 - Remote buffer - Scaling G50, G51 - Single direction positioning G60 - Stored stroke check 2 - Tool life management - Tool monitoring system - Tool offset memory C Geometry / Wear and Length / Radius offset memory - Tool position offset G45 - G48 11

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