Homma HTM-5.5 GTN CNC Gantry Type Milling Machine with Turning Table

FANUC-15M CNC Control

Guide: Hydrostatic Bearing & Hydrostatic Ram Guide

Attachment Coupling: Curvic Coupling

Universal Ram Head:

Ram Size   575 × 575 mm

Main Spindle Motor   AC 60 / 75 kW

Attachment Mounting Diameter   Ø150 mm

Spindle Taper   ISO No. 50

Spindle Diameter   Ø120 mm

Spindle Bearings   NN3024K + 120BT10X

Spindle Speed   10 – 2,580 rpm

Speed Range   Low: 10–275 rpm / High: 30–825–2,580 rpm

Speed Change   2-Speed Gearbox + 2-Speed AC Motor

Gear Shift System   Hydraulic Sliding Shift

Ram Guideway   S4 Hydrostatic Guide

Maximum Spindle Torque (275 rpm)   2,603 N·m (Approx. 265 kg·m)

Tool Clamping Force   2,500 kg (Disc Spring)

Tool Unclamping System   Hydraulic Cylinder

Ram Head Feed (Y- & Z-Axes):

Y-Axis Travel   10,000 mm

Z-Axis Travel   2,300 mm

Y-Axis Feed Rate   1 – 5,000 mm/min

Z-Axis Feed Rate   1 – 4,000 mm/min

Y-Axis Rapid Traverse   8,000 mm/min

Z-Axis Rapid Traverse   8,000 mm/min

Ball Screws   Y: BS9050-FRRB2-C3 ×2

Z: BS6316-FRRB2-C3 ×2

Z-Axis Counterbalance   Hydraulic Counterbalance (Twin Cylinders)

Feedback System   Closed-Loop Control

TABLE:

Table Diameter     Ø5,500 mm

Table Speed Range (Low)   0.1 – 4.4 min⁻¹ (3-step Gear)

Table Speed Range (High)   0.3 – 13.3 min⁻¹ (3-step Gear)

Table Drive System   2-Speed Gear Transmission + AC Motor

Table Speed Control   Hydraulic Cylinder

Table Rotation Command   S4 Four-Digit Direct Command

Table Support System   Center: Double-row Cylindrical Roller Bearing (Model: NN30/530KP5)

Outer Periphery: Thrust Roller Bearing

Maximum Table Torque (at 4.4 rpm)   195,000 N·m (Approx. 19,900 kg·m)

Table Jacking System   8 Hydraulic Jacking Units

Table C-Axis (VB Axis):

C-Axis Rotation Speed   0.1 – 200 deg/min

Maximum Rotation Speed   200 deg/min

Position Feedback System   Hybrid Resolver Feedback

Rotary Encoder   ROD-800

Table Clamping System   Hydraulic Disc Brake

Table Clamping Torque   49,000 N·m

Drive System   Double Worm Gear with Synchronous Servo Drive

Maximum C-Axis Torque   15,973 kg·m

Position Resolution   0.001°

Positioning Accuracy   ±0.001°

Gantry Traverse (X-Axis):

X-Axis Travel   12,000 mm

Feed Rate   1 – 5,000 mm/min

Rapid Traverse   8,000 mm/min

Drive System   Double Pinion Drive

Gantry Clamping System   Hydraulic Automatic Clamping

Clamping Force   8,000 kg

Guideway System   Hydrostatic Bearing

Drive Motor   Synchronous Hybrid Servo Motor

Position Feedback   Magnescale (Sony)

Bed Extension   Bed structure extendable for future expansion