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GMC2320A 3220A 4120A Bridge Machining Centre
GMC2320A 3220A 4120A Bridge Type Machining Centre with FANUC 0i MF absolute type; Fine quality machining package; AICC II; Jerk control; Smooth tolerance control;Machining quality level adjustment function.
- GMC2320A 3220A 4120A Gantry Machining CenterDownload
Technical parameters of GMC2320A 3220A 4120A Bridge Type Machining Centre
Advantage configuration of GMC2320A 3220A 4120A Bridge Type Machining Centre
Standard Accessories
1.FANUC 0i MF absolute type;
2. Fine quality machining package;
a) AICC II;
b) Jerk control;
c) Smooth tolerance control;
d) Machining quality level adjustment function;
3. 3 colors warning light;
4. Working area light;
5. Portable MPG;
6. Ethernet DNC machining;
7. Automatically power off;
8. Transformer;
9. Door interlock;
10. Spindle air sealing;
11. Direct driven spindle BT50-6000rpm;
12. BF gearbox;
13. Spindle chiller;
14. Lubrication system;
15. Air blowing device;
16. Pneumatic system;
17. Rigid tapping;
18. Water gun/air gun with flushing function;
19. Full enclosed splash guard;
20. Coolant system;
21. Adjustable level bolts and foundation blocks;
22. Heat exchanger in electrical cabinet;
23. Chain chip conveyor;
24. Coil chip conveyor;
25. Tool box;
26. Operation manual;
Optional Accessories
1. HEIDENHAIN TNC620;
2. Linear scale (Heidenhain);
3. Voltage stabilizer;
4. Tool measuring system;
5. Workpiece measuring system;
6. 3D coordinate system rotation;
7. 3 axis thermal compensation;
8. Z axis travel change to 1m;
9. Oil-feed tool shank port;
10. Column rise 200mm/300mm;
11. Attachment milling head;
12. Rotation storage for accessory head;
13. 4th axis/5th axis;
14. ATC (32/40/60pcs);
15. Oil and water separate box;
16. A/C for electric cabinet;
17. Full enclosed splash guard with top cover;
FORTUNE PACIFIC is proud to offer a variety of gantry milling machines. Engineered and constructed to the highest caliber, these Bridge/gantry type machining centers allow for high volume accuracy, extreme weight allowance, and the ability to approach the part from multiple angles.
Bridge/Gantry Type Machining Center
Introducing with mature manufacturing abilities and advanced technology skills, the GMC series gantry type machining center combines gantry type structure with adjustable crossbeam mechanism, strong horse power and high rigidity features, to provide you with a complete machining solution for extra large work pieces. Bridge/Gantry Type Machining Center has been widely used in aerospace, shipbuilding, energy and machine tools industries.
The Bridge/Gantry Type Machining Center could be equipped with automatic head changer and vertical / horizontal ATC system to provide maximum efficiency as of a 5-face machining center.
Complete product line with full range specifications, the Bridge/Gantry Type Machining Center could be equipped with self-developed milling heads, automatic head storage magazine and vertical / horizontal ATC system to provide high added cutting capabilities for large work pieces.
| Model | Unit | GMC2320A | GMC3220A | GMC4120A | |
|---|---|---|---|---|---|
| Standard controller | FANUC 0i MF | ||||
| Travel |
X axis travel(work-table) | mm | 2300 | 3200 | 4100 |
| Y axis travel(saddle) | mm | 2000 | |||
| Z axis travel(spindle head) | mm | 800 | |||
| Distance from spindle nose to table | mm | 180-980 | |||
| Distance between columns | mm | 1840 | |||
| Work table |
Table size (length x width) | mm | 2300x1600 | 3200x1600 | 4100x1600 |
| Max. table load | kg | 8000 | 10000 | 12000 | |
| T slot size (width x distance x quantity) | mm | 22x180x8 | |||
| Spindle |
Spindle taper | BT50 | |||
| Max. spindle speed | rpm | 6000(direct driven) | |||
| Spindle motor power ( continual working/30mins) |
kW | 22/26 | |||
| Spindle torque | Nm | 560/662 | |||
| X/Y/Z | Rapid traverse (X axis) | mm/min | 20000 | ||
| Rapid traverse (Y axis) | mm/min | 20000 | |||
| Rapid traverse (Z axis) | mm/min | 15000 | |||
| Cutting feed rate (X/Y/Z) | mm/min | 1-10000 | |||
| ATC (option) |
ATC type | Arm type | |||
| Tool capacity | pcs | 32 | |||
| Max. tool diameter | mm | Φ110 /Φ225 | |||
| Max. tool length | mm | 350 | |||
| Max. tool weight | kg | 20 | |||
| Accuracy |
Full travel positioning accuracy (VDI/DGQ344 1) | mm | P0.020 | P0.025 | P0.030 |
| Repositioning accuracy (VDI/DGQ3441) | mm | Ps0.015 | Ps0.020 | Ps0.025 | |
| Air pressure | MPa | 0.6-0.8 | |||
| Power requirement | kVA | 60 | |||
| Machine size (length/width/height) | mm | 7027x5217x4339 | 8927x5217x4339 | 10327x5217x4339 | |
| Machine weight | kg | 22000 | 26000 | 30000 | |
Advantage configuration of GMC2320A 3220A 4120A Bridge Type Machining Centre
| No. | Name | Specification | Qty | Remarks |
| 1 | Control system | FANUC 0i MF-PA | 1set | FANUC(Japan) |
| 2 | Angular contact ball bearing | Japan NSK precision bearing | 20 sets | NSK(Japan) |
| 3 | X axis ball screw | Diameter 80mm, pitch 20mm, high precision grade | 1 set | PMI(Taiwan) |
| 4 | Y axis ball screw | Diameter 50mm, pitch12mm, high precision grade | 1set | PMI(Taiwan) |
| 5 | Z axis ball screw | Diameter 50mm, pitch 10mm, high precision grade | 1 set | PMI(Taiwan) |
| 6 | X/Y/Z linear guide way | 55 grade heavy load roller guide way | 3 sets | REXROTH(Germany) |
| 7 | Spindle system | BT50-6000rpm | 1 set | SETCO(USA) |
| BBT50-10000rpm | 1 set | SETCO(USA) | ||
| 8 | Heat exchanger | TH-5R | 1 set | TNP(Foreign) |
| 9 | Spindle chiller | TO-30P2TB-201 | 1 set | TNP(Foreign) |
| 10 | Gear box | CE13 | 1 set | BF(Italy) |
| 11 | Drag chain | 68.125.250 series | 2 sets | IGUS(Germany) |
| 12 | Coupling | ROTEX-GS28 98ShA series | 3sets | KTR(Germany) |
| 13 | Operation box components | SL3500+GINII series | 1 set | MECANO(Germany) |
| 14 | Organ flexible shield | 2 sets | NAJEC(Japan) | |
| 15 | Relay | MY2NGS-DC24V | 4 pcs | OMRON(Japan) |
| 16 | Alternating current contactor | LC1D09M7C | 5 pcs | SCHNEIDER(France) |
| 17 | Breaker | 3P-32A | 1 pcs | SCHNEIDER(France) |
| 18 | Breaker | DPNK10A2P | 2 pcs | SCHNEIDER(France) |
| 19 | Breaker | C65N1P/6A | 2 pcs | SCHNEIDER(France) |
| 20 | Thermal overload relay | LRD-10C | 1 pcs | SCHNEIDER(France) |
| 21 | Thermal overload relay | LRD-07C | 2 pcs | SCHNEIDER(France) |
Standard Accessories
1.FANUC 0i MF absolute type;
2. Fine quality machining package;
a) AICC II;
b) Jerk control;
c) Smooth tolerance control;
d) Machining quality level adjustment function;
3. 3 colors warning light;
4. Working area light;
5. Portable MPG;
6. Ethernet DNC machining;
7. Automatically power off;
8. Transformer;
9. Door interlock;
10. Spindle air sealing;
11. Direct driven spindle BT50-6000rpm;
12. BF gearbox;
13. Spindle chiller;
14. Lubrication system;
15. Air blowing device;
16. Pneumatic system;
17. Rigid tapping;
18. Water gun/air gun with flushing function;
19. Full enclosed splash guard;
20. Coolant system;
21. Adjustable level bolts and foundation blocks;
22. Heat exchanger in electrical cabinet;
23. Chain chip conveyor;
24. Coil chip conveyor;
25. Tool box;
26. Operation manual;
Optional Accessories
1. HEIDENHAIN TNC620;
2. Linear scale (Heidenhain);
3. Voltage stabilizer;
4. Tool measuring system;
5. Workpiece measuring system;
6. 3D coordinate system rotation;
7. 3 axis thermal compensation;
8. Z axis travel change to 1m;
9. Oil-feed tool shank port;
10. Column rise 200mm/300mm;
11. Attachment milling head;
12. Rotation storage for accessory head;
13. 4th axis/5th axis;
14. ATC (32/40/60pcs);
15. Oil and water separate box;
16. A/C for electric cabinet;
17. Full enclosed splash guard with top cover;
FORTUNE PACIFIC is proud to offer a variety of gantry milling machines. Engineered and constructed to the highest caliber, these Bridge/gantry type machining centers allow for high volume accuracy, extreme weight allowance, and the ability to approach the part from multiple angles.
Bridge/Gantry Type Machining Center
Introducing with mature manufacturing abilities and advanced technology skills, the GMC series gantry type machining center combines gantry type structure with adjustable crossbeam mechanism, strong horse power and high rigidity features, to provide you with a complete machining solution for extra large work pieces. Bridge/Gantry Type Machining Center has been widely used in aerospace, shipbuilding, energy and machine tools industries.
The Bridge/Gantry Type Machining Center could be equipped with automatic head changer and vertical / horizontal ATC system to provide maximum efficiency as of a 5-face machining center.
Complete product line with full range specifications, the Bridge/Gantry Type Machining Center could be equipped with self-developed milling heads, automatic head storage magazine and vertical / horizontal ATC system to provide high added cutting capabilities for large work pieces.
Standard Accessories
1.FANUC 0i MF absolute type;
2. Fine quality machining package;
a) AICC II;
b) Jerk control;
c) Smooth tolerance control;
d) Machining quality level adjustment function;
3. 3 colors warning light;
4. Working area light;
5. Portable MPG;
6. Ethernet DNC machining;
7. Automatically power off;
8. Transformer;
9. Door interlock;
10. Spindle air sealing;
11. Direct driven spindle BT50-6000rpm;
12. BF gearbox;
13. Spindle chiller;
14. Lubrication system;
15. Air blowing device;
16. Pneumatic system;
17. Rigid tapping;
18. Water gun/air gun with flushing function;
19. Full enclosed splash guard;
20. Coolant system;
21. Adjustable level bolts and foundation blocks;
22. Heat exchanger in electrical cabinet;
23. Chain chip conveyor;
24. Coil chip conveyor;
25. Tool box;
26. Operation manual;
1.FANUC 0i MF absolute type;
2. Fine quality machining package;
a) AICC II;
b) Jerk control;
c) Smooth tolerance control;
d) Machining quality level adjustment function;
3. 3 colors warning light;
4. Working area light;
5. Portable MPG;
6. Ethernet DNC machining;
7. Automatically power off;
8. Transformer;
9. Door interlock;
10. Spindle air sealing;
11. Direct driven spindle BT50-6000rpm;
12. BF gearbox;
13. Spindle chiller;
14. Lubrication system;
15. Air blowing device;
16. Pneumatic system;
17. Rigid tapping;
18. Water gun/air gun with flushing function;
19. Full enclosed splash guard;
20. Coolant system;
21. Adjustable level bolts and foundation blocks;
22. Heat exchanger in electrical cabinet;
23. Chain chip conveyor;
24. Coil chip conveyor;
25. Tool box;
26. Operation manual;
Technical parameters of GMC2320A 3220A 4120A Bridge Type Machining Centre
| Model | Unit | GMC2320A | GMC3220A | GMC4120A | |
|---|---|---|---|---|---|
| Standard controller | FANUC 0i MF | ||||
| Travel |
X axis travel(work-table) | mm | 2300 | 3200 | 4100 |
| Y axis travel(saddle) | mm | 2000 | |||
| Z axis travel(spindle head) | mm | 800 | |||
| Distance from spindle nose to table | mm | 180-980 | |||
| Distance between columns | mm | 1840 | |||
| Work table |
Table size (length x width) | mm | 2300x1600 | 3200x1600 | 4100x1600 |
| Max. table load | kg | 8000 | 10000 | 12000 | |
| T slot size (width x distance x quantity) | mm | 22x180x8 | |||
| Spindle |
Spindle taper | BT50 | |||
| Max. spindle speed | rpm | 6000(direct driven) | |||
| Spindle motor power ( continual working/30mins) |
kW | 22/26 | |||
| Spindle torque | Nm | 560/662 | |||
| X/Y/Z | Rapid traverse (X axis) | mm/min | 20000 | ||
| Rapid traverse (Y axis) | mm/min | 20000 | |||
| Rapid traverse (Z axis) | mm/min | 15000 | |||
| Cutting feed rate (X/Y/Z) | mm/min | 1-10000 | |||
| ATC (option) |
ATC type | Arm type | |||
| Tool capacity | pcs | 32 | |||
| Max. tool diameter | mm | Φ110 /Φ225 | |||
| Max. tool length | mm | 350 | |||
| Max. tool weight | kg | 20 | |||
| Accuracy |
Full travel positioning accuracy (VDI/DGQ344 1) | mm | P0.020 | P0.025 | P0.030 |
| Repositioning accuracy (VDI/DGQ3441) | mm | Ps0.015 | Ps0.020 | Ps0.025 | |
| Air pressure | MPa | 0.6-0.8 | |||
| Power requirement | kVA | 60 | |||
| Machine size (length/width/height) | mm | 7027x5217x4339 | 8927x5217x4339 | 10327x5217x4339 | |
| Machine weight | kg | 22000 | 26000 | 30000 | |
Advantage configuration of GMC2320A 3220A 4120A Bridge Type Machining Centre
| No. | Name | Specification | Qty | Remarks |
| 1 | Control system | FANUC 0i MF-PA | 1set | FANUC(Japan) |
| 2 | Angular contact ball bearing | Japan NSK precision bearing | 20 sets | NSK(Japan) |
| 3 | X axis ball screw | Diameter 80mm, pitch 20mm, high precision grade | 1 set | PMI(Taiwan) |
| 4 | Y axis ball screw | Diameter 50mm, pitch12mm, high precision grade | 1set | PMI(Taiwan) |
| 5 | Z axis ball screw | Diameter 50mm, pitch 10mm, high precision grade | 1 set | PMI(Taiwan) |
| 6 | X/Y/Z linear guide way | 55 grade heavy load roller guide way | 3 sets | REXROTH(Germany) |
| 7 | Spindle system | BT50-6000rpm | 1 set | SETCO(USA) |
| BBT50-10000rpm | 1 set | SETCO(USA) | ||
| 8 | Heat exchanger | TH-5R | 1 set | TNP(Foreign) |
| 9 | Spindle chiller | TO-30P2TB-201 | 1 set | TNP(Foreign) |
| 10 | Gear box | CE13 | 1 set | BF(Italy) |
| 11 | Drag chain | 68.125.250 series | 2 sets | IGUS(Germany) |
| 12 | Coupling | ROTEX-GS28 98ShA series | 3sets | KTR(Germany) |
| 13 | Operation box components | SL3500+GINII series | 1 set | MECANO(Germany) |
| 14 | Organ flexible shield | 2 sets | NAJEC(Japan) | |
| 15 | Relay | MY2NGS-DC24V | 4 pcs | OMRON(Japan) |
| 16 | Alternating current contactor | LC1D09M7C | 5 pcs | SCHNEIDER(France) |
| 17 | Breaker | 3P-32A | 1 pcs | SCHNEIDER(France) |
| 18 | Breaker | DPNK10A2P | 2 pcs | SCHNEIDER(France) |
| 19 | Breaker | C65N1P/6A | 2 pcs | SCHNEIDER(France) |
| 20 | Thermal overload relay | LRD-10C | 1 pcs | SCHNEIDER(France) |
| 21 | Thermal overload relay | LRD-07C | 2 pcs | SCHNEIDER(France) |
Products
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Knee Type Milling Machine: Precision Versatility for Industrial Manufacturing
What is a Knee Type Milling Machine?
A knee type milling machine is a fundamental machine tool distinguished by its vertically adjustable worktable mounted on a "knee" casting. This knee moves precisely up and down a fixed column via a screw mechanism, enabling accurate Z-axis positioning crucial for diverse milling operations.
Working Principle
The core principle involves a rotating milling cutter removing material from a workpiece secured to the table. The adjustable knee mechanism allows controlled vertical movement (Z-axis), while the table provides longitudinal (X-axis) and transverse (Y-axis) travel. This 3-axis control facilitates complex machining of flat, angular, and contoured surfaces.
Key Applications
- Tool & Die Making: Precision molds, jigs, fixtures
- Prototyping: Rapid part development
- Maintenance Shops: Equipment repair & part fabrication
- General Machining: Slotting, drilling, facing, keyway cutting
- Aerospace & Automotive: Component manufacturing
Distinctive Features & Advantages
- Vertical Adjustability: Knee movement enables quick workpiece height changes
- Rigid Construction: Robust cast iron frame ensures stability
- Manual & CNC Options: Traditional control or computer numerical precision
- Turret Design (Common): Swiveling milling head for multi-angle machining
- Wide Workpiece Compatibility: Handles various sizes and shapes
Primary Classifications
- Vertical Knee Mill: Spindle axis perpendicular to table (most common)
- Horizontal Knee Mill: Spindle axis parallel to table (for heavy stock removal)
- Universal Knee Mill: Table swivels for complex angular cuts
- Turret Mill: Head rotates on turret for flexible positioning
Main Components
- Base & Column: Primary support structure
- Knee: Vertically moving saddle supporting the table
- Saddle & Table: Hold and position the workpiece (X/Y axes)
- Milling Head: Houses spindle, motor, and quill (Z-axis)
- Arbor/Spindle: Rotating shaft holding cutting tools
- Controls: Manual handwheels or CNC interface
Evolution & Industry Significance
Since their development in the late 19th century, knee-and-column mills revolutionized machining. The iconic Bridgeport design (1938) popularized the turret style. While CNC machining centers dominate high-volume production, knee mills remain indispensable for flexibility, ease of use, and cost-effectiveness in job shops, schools, and repair facilities worldwide.
Fortune Pacific: Your Knee Mill Solution
At Fortune Pacific, we engineer durable, high-precision knee type milling machines for demanding applications. Explore our range of vertical mills, horizontal mills, and CNC-ready models designed to enhance your workshop's capabilities. Discover the ideal machine for your metalworking, prototyping, or toolmaking needs.
Keywords: Knee Type Milling Machine, Vertical Milling Machine, Horizontal Mill, Turret Mill, Knee-and-Column Mill, Milling Machine for Sale, Industrial Milling, Metalworking Equipment, Workshop Machinery, CNC Mill, Toolroom Mill, Precision Machining, Fortune Pacific, Machine Tool Manufacturer.