CNC Knee Mills and Bed Mills
Atrump Machinery, Inc., provides the CNC and conventional machine tool industry with a complete line of Milling Machines (Knee & Bed); Precision Lathes; Universal and MONASET Tools and Cutter Grinders; CNC Mills (Knee, Bed and Machining Centers).
CNC KNEE MILL MODEL: 3VK Inverter Rigid head
Machine Features:
- Centroid M400S 3 axis Control
- 3HP Spindle Motor, R8 Spindle Taper
- 5,000 rpm spindle speed
- Hardened & Ground with turcite-B coating guide way
- Precision ballscrews for high accuracy and long lasting
- FC30 Meehanite Casting main frame with annealed & stress relieved for long term reliability
- Anti rust chrome quill
- Box ways design on Y axis to provide maximum rigidity & stability
- Standard way covers on all three axes
- Tool box & Tools
- Precision APEC class7 spindle bearing to ensure spindle run out within 0.0002
- Auto lubrication system
- Built-in Quartz work light
- Hard limit switch
- Machine finished in Taiwan with China casting
Specifications:
| Table | 10” x 50” |
| Longitudinal travel (X-axis) | 31" |
| Cross travel | 14 1/2” |
| Z axis travel cnc quill | 4" |
| Knee travel (manual) | 16" |
| Quill diameter | 3.375” (86 mm) |
| Spindle nose to table top (D) | 0.75”-16.75” (20 – 426 mm) |
| Load capacity | 600 lb |
| Spindle taper | R8 |
| Spindle Speed (r. p.m.) | 70 to 5000 rpm with Hi/Lo gear |
| Transmission of spindle & motor | Timing Belt |
| Spindle center to column front surface | 6.875” to 27.875” (175-707 mm) |
| Motor | |
| Spindle motor/max torque | 3 HP (Std.) / 5 HP (Opt.) |
| KVA rating | 4 KVA, 15 amps |
| Coolant pump (optional) | 1/8 Hp |
| Lubrication pump | Auto Lubrication |
| Power requirement | 4 KVA, 3 Phase 208-230 voltage |
| Length X Width X Height (LXWXH) | 102” x 77” x 84” |
| Net Weight | 3,100 lbs. (1420 Kgs) |
Standard Accessories:
| Tools & box | Chip Tray | Shop floor programming / Conversational |
| Leveling bolts & plate | Coolant system | USB 2.0 Port |
| RS-232 Interface | Auto lube system | 15” color LCD |
| Chip Tray | Halogen work light | 1GB solid state hard drive |
Additional Accessories Information:
| Power requirement | 4 KVA 3 phase 208 V/230 V max |
| Air requirement | With opt. power draw bar 90 - 100 psi |
| Type of oil for Way oil / pneumatic oil | Mobil Vactra #2 / Air tool oil |
| Coolant capacity | 7 Gallons |
CNC BED Mill MODEL: E8EC
Machine Features:
- Centroid M400S control with 15” LCD
- ISO 9001 quality assurance
- 10 HP Spindle Motor, NMTB40 or CAT40 Spindle Taper
- 6,000 rpm spindle speed
- Hardened & Ground with turcite-B coating guide way
- C3 Double nut precision ball screws hardened & ground for high accuracy and long lasting
- FC30 Meehanite Casting main frame with annealed & stress relieved for long term reliability
- 100% Laser tested for positioning accuracy & repeatability
- Box ways design on Y & Z axis to provide maximum rigidity & stability
- Standard way covers on all three axes
- Tool box & Tools
- Coolant System
- Central lubrication system
- Built-in Quartz work light
- Portable Hand Wheel (opt.)
Specifications:
| Table | 18” x 56.7” (460x1440 mm) |
| Longitudinal travel (X-axis) | 50” (1270 mm) |
| Cross travel | 22” (560 mm) |
| Vertical travel | 24” (610 mm) |
| Spindle nose to table top (D) | 4.9”~29” (127~737 mm) |
| Load capacity | 2420 lbs (1100 Kgs) |
| Spindle taper | NMTB40 or CAT40 |
| Spindle Speed (r.p.m.) | 60 to 6000 rpm |
| Transmission of spindle & motor | Belts |
| Spindle center to column front surface | 23.6” (600 mm) |
| Feed Rate | |
| Rapid feed rate | X/Y/Z: 150 ipm DC |
| Cutting feed rate | 1-120 ipm |
| Motor | |
| Spindle motor/max torque | 10 HP/7.5KW |
| Servo motors on XYZ | 29in-lb DC |
| Coolant pump | 1/8 Hp |
| Lubrication pump | 150 W |
| Power requirement | 17 KVA, 3 Phase 208-230 voltage |
| Automatic Tool Changer | N/A |
| No. of tools | |
| Max. tool diameter | 3.5” (90 mm) |
| Max. tool weight | 15 lb (7 Kg) |
| Length X Width X Height (LXWXH) | 143.7” x 93.7”x 95.5” |
| Net Weight | 8,030 lbs. (3650 Kgs) (3650 mm x 2580 mm x 2425 mm) |
Standard Accessories:
| Tools & box | Splash Guard | Shop floor programming / Conversational |
| Leveling bolts & plate | Coolant system | USB 2.0 Port |
| RS-232 Interface | Auto lube system | 15”color LCD |
| Operation manual | Halogen work light | 1 GB solid state hard drive |
Additional Accessories Information:
| Power requirement | 17 KVA 3 phase 208 V/230 Vmax |
| Air requirement | With opt. power draw bar 90 - 100 psi |
| Type of oil for Way oil / oil chiller / pneumatic oil | Mobil Vactra #2 / Shell Tellus 32 / Air tool oil |
| Coolant capacity | 7 Gallons |
Contact Marathon at
loud@marathon-excel.com