Travels
Longitudinal Travel (X) Axis 200.8"
Cross Travel (Y) Axis 141.7” (with spindle in vertical)
Vertical Travel (Z) Axis 42"
Rail Travel (W) Axis 39.4”
AC-5 Table to Spindle in vertical position (can be varied) 1.97" min / 83.3" max
AC-4 Table to Spindle in vertical position (can be varied) 1.97" min / 83.3" max
AC-5 Table to Spindle in horizontal position (can be varied) 19.13” min / 100.5” max
AC-4 Table to Spindle in horizontal position (can be varied) 14.0” min / 95.5” max
Y Axis Distance Between Spindle (head in horizontal pos.) 109” AC-5 / 117.3” AC-4
X Axis Distance Between Spindle (head in horizontal pos.) 166.5” AC-5 / 177” AC-4
Distance Between Columns 110"
Table
Table Working Surface 204.7" x 80.7"
Maximum Workload on Table 33,000 LBS.
Table Surface Ground / T-slotted
No. of T-slots x Width 8 x 22mm
Milling Head (Heavy Duty AC-5 Head)
A Axis Swiveling Angle +/-110 degrees
A Axis Max. Swiveling Speed 360 degrees per second
A Axis Positioning accuracy .002 degrees
A Axis Max positioning motor torque 1,475 ft./lbs.
A Axis Braking torque via hydraulic brake 5,900 ft./ lbs.
C Axis Swiveling Angle +/-200 degrees
C Axis Max. Swiveling Speed 360 degrees per second
C Axis Positioning accuracy .002 degrees
C Axis Max positioning motor torque 1,475 ft./lbs.
C Axis Braking torque via hydraulic brake 5,900 ft./ lbs.
Spindle Motor 47 HP
Spindle Torque 258 ft/lbs at only 1000 RPM
Spindle Taper HSK-100A
Spindle Drive System Integral Motor
Spindle Speed 0-10000
Spindle Bearings 110mm Ceramic, grease packed
Milling Head (Medium Duty AC-4 Head)
A Axis Swiveling Angle +/-110 degrees
A Axis Max. Swiveling Speed 360 degrees per second
A Axis Positioning accuracy .002 degrees
A Axis Max positioning motor torque 907 ft./lbs.
A Axis Braking torque via hydraulic brake 2,950 ft./ lbs.
C Axis Swiveling Angle +/-200 degrees
C Axis Max. Swiveling Speed 360 degrees per second
C Axis Positioning accuracy .002 degrees
C Axis Max positioning motor torque 974 ft./lbs.
C Axis Braking torque via hydraulic brake 2,950 ft./ lbs.
Spindle Motor 31 HP
Spindle Torque 29 ft/lbs continuous at only 6000 RPM
Spindle Taper HSK-63A
Spindle Drive System Integral Motor
Spindle Speed 0-20000
Spindle Bearings 70mm Ceramic, grease packed
Automatic Tool Changer (arm type for HSK-100A):
Number of Tools 40 tools (60, 80, 120 opt.)
Tool Selection Bi-directional-random
Tool Change Time 8 sec tool to tool
Maximum Tool Diameter 5.3" with adjacent tools, 7.8” without
Maximum Tool Weight 44 LBS
Tool Type HSK-100A
Maximum Tool Length 15.7"
Automatic Tool Changer (arm type for HSK-63A)
Number of Tools 40 tools (60, 80, 120 opt.)
Tool Selection Bi-directional-random
Tool Change Time 8 sec tool to tool
Maximum Tool Diameter 3" with adjacent tools, 4” without
Maximum Tool Weight 22 LBS
Tool Type HSK-63A
Maximum Tool Length 12.6"
Ballscrews and Axis Motors
X-Y-Z-W Ballscrew Diameter 3.15” X, 2.5” Y, 1.97”Z, 2.5”W (2) x 10 pitch
Ballscrew Type Class 3 double nut pre-loaded
Ballscrew Mounting Type Pre-tensioned
X-Y-Z-W Servo Motor HP 9.0 - 9.0 - 9.0 – 9.0x2 HP
Servo Motor Mounting Direct coupled XYZW
Feeds
Rapid Traverse Rate X,Y,Z,W 472, 394, 394, 78.8 IPM
Cutting Feed Rate XYZ 0.01 - 394 IPM
Positioning Accuracy +/- .0003" full stroke
Repeatability +/- .0002"
General
Coolant Tank Capacity 120 gallons
Machine Weight (base machine only) 220,000 LBS estimated
Floor Space 659” X 311" x 268"
Machine Power Source 208/220 Volts, 3 Phase 400 Amps**
**Consult AMT or your local distributor for exact power requirements when ordering**
Air Source 90 PSI
Standard Machine Accessories
Flood Coolant System with programmable air blast
Air blast for spindle
Auto Lubrication with Alarm
Automated chip removal system with chip conveyors
Halogen work lamp
Spindle / headstock cooler
Remote Handwheel
Heat exchangers for control cabinets
Hydraulic counterbalance for headstock
Rigid Tapping
Heidenhain linear scales in W (2)
Heidenhain iTNC-640 (MC7522)
The Johnford DMC-5100PH-5A+W 5 -Axis is the heaviest double column machining center in its class. With standard accessories, this heavy duty fixed double column vertical machining center, weighs in at over 220,000 lbs. of Meehanite cast iron. The machine design features a moving table and fixed column for maximum rigidity. A rugged 90 degree bridge with offset Y axis ways and a massive 40” wide saddle keeps the spindle center line extremely close to the bridge for rigidity. This design also allow for more distance across the Y axis ways for best support of the massive headstock.
The massive ram type Z axis head and Y axis saddle features square box ways coated with Turcite and have been designed with diagonally arranged ribs that will help reduce the amount of distortion that is caused by years of continued service. The X axis table traverse is accomplished via heavy duty Schneeberger roller linear ways for accurate positioning of heavy work pieces. The X axis is a fixed ballscrew / rotating nut design to eliminate whip and vibration from the long ballscrew. Accurate positioning is carried out by large diameter, pre-tensioned ballscrews and powerful servo motors.
The W axis moving bridge is also a fully CNC controlled simultaneous axis and is driven via dual 2.5” diameter ballscrews, dual servo motors, dual Heidenhain scales, and dual hydraulic counterbalance cylinders. The W axis moves on large box ways and is both accurate and rigid.
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