Description:

Used HOMAG Gantry CNC Processing Center, Model BOF 712/48/13/R Optimat

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The BOF series of high-performance processing centers was created from an innovative concept that offers new technology with optimized interaction between components, while ensuring maximum production. The BOF 712 processing center features rigid gantry-frame construction over two (2) moving matrix-type vacuum tables, and includes an innovative computer numeric control (CNC). This design offers efficient, cost effective, high-speed batch size production with the ability to process a variety of work pieces on the same machine with minimum down time. And with Intelligent Process Optimization (IPO), the two (2) spindles are capable of processing two (2) different workpieces simultaneously.

Main Router Spindles – 14.5 kW Vector Router Spindles Homag Unit #7429 & #7436 (2 of)
HSK-63F (DIN 69893 spindle taper) router spindles
three-phase current vector-regulated (close-loop controlled), asynchronous 14.5 kW (19.4 hp) motor - S1 rated, (18.5 kW (24.8 hp) - S6 rated), with constant torque from 0 to 12,000 rpm, for exceptional power output, even for low rpm applications
number of revolutions is programmable from 0 to 24,000 rpm
liquid cooled ceramic bearings
maximum rotating tool weight of 6 kg (13.23 lbs.) including tool holder
maximum tool length of 200 mm (7-7/8") calculated from lower edge of motor spindle
tool diameter:
maximum 180 mm (7-3/32") for routing tools
maximum 200 mm (7-7/8") for sanding tools
supplied with two (2) tool holders and collets
tool holders and collets to be balanced to G2.5 at 24,000 rpm
supplied without cutting tools
includes dust collection hood

Spindle Return Traverse Stroke For Main Router Spindles Homag Unit #7427 (2 of)
enables use of the boring heads with a router bit remaining in the main spindles for a total length of up to 150 mm, including tool holder

12-Position HSK-63F Tool Changer Homag Unit #7451 (2 of) maximum tool weight of 6 kg (13.23 lbs.) including tool holder
maximum tool length of 200 mm (7-7/8") calculated from lower edge of motor spindle
following tool combinations are possible:
12 x maximum diameter of 135 mm (5-5/16") or
6 x maximum diameter of 180 mm (7-3/32") and 6 x maximum diameter of 85 mm (3-11/32")
maximum tool diameter for sanding tools is 200 mm (7-7/8")
supplied with twenty-two (22) tool holders and collets
supplied without tools

12-Spindle "L" Shape Vertical Boring Heads Homag Unit #7406 (2 of)
two (2) frequency-controlled 4 kW, 4,500 to 6,000 rpm programmable motors
for vertical drilling with a stroke of 50 mm (1-31/32")
twelve (12) spindles with up to a maximum of 35 mm (1-3/8") hole diameter (alternating positions)
individual spindle selection
seven (7) spindles in the X-direction
six (6) spindles in the Y-direction
distance between spindles is 32 mm (1-1/4") pitch drill length is 70 mm (2-3/4") shank diameter is 10 mm (13/32")
rotation direction: left/right-hand rotation, alternately
supplied without tooling
prepared for the optional installation of only one (1) adapter units for either a horizontal boring unit or a grooving saw

Twin Cross-Grooved Vacuum Alu-Matrix Grid Table "R"
cross grooved tables of extruded aluminum prepared for inserting a rubber sealing gasket or a flexible vacuum riser pod for putting on templates and panels
the grid is machined on a 30 mm pitch, with the width and depth of the cross grooves of 7 mm
dovetail slots are machined into the table surface on a 30 mm pitch for a variety of flexible clamping options
distance between vacuum ports in the table surface is 120 mm
integrated single-circuit vacuum system, divided into left table and right table, supplied via one (1) 4" vacuum port
two (2) tables, each configured for two (2) processing zones for synchronous or alternating processing
four (4) plug-type connections with single circuit (1-way) compressed air system, for connecting pneumatic clamping devices
workpieces with extreme dimensions must be clamped using templates or mechanical clamping fixtures
the machine's zero point is placed at the front, left side
workpieces are fed into the machine manually from the front side
includes 20 Meters of 8 mm (5/16") diameter gasket
supplied without templates and clamping devices

Stop Fences for Matrix Table Homag Unit #7332 (1 of)
two (2) stop fences, one (1) located on the front left corner of the left table & one (1) located on the front right corner of the right table
electro-pneumatic control
for positioning un-machined panels at the table front edge, enabling the maximum use of the table surface, e.g., for nesting

Pneumatic (Pop-Up) Rollers for Material Feeding Homag Unit #7386 (24 of)
includes twelve (12) rollers per vacuum table
located in a fixed position across the matrix grid table
all rollers are actuated by a single M-code

Single 40 hp DVT Vmax Vacuum System
oil-sealed, liquid-ring vacuum pump
approximately 550 cfm
28.5" Hg vacuum pressure
includes a dual inlet-filtering system with a final 5 micron filter, a spin-on type oil filter, and exhaust muffler for clean quiet operation


Machine Technical Specifications
controlled axes six (6) X1, X2, Y1, Y2, Z1, Z2
axis rapid traverse rate X-axes - 80 M/min (3150 in./min.) Y-axes - 60 M/min (2362 in./min.) Z-axes - 44 M/min (1732 in./min.)
table size (2) 3050 mm x 1580 mm (120-1/16" x 62-3/16")
tooling shank size (router) 25 mm (1") maximum
tooling length (from spindle nose) 200 mm (7-7/8")
cutter diameter max. 180 mm (7-3/32") for routing tools max. 200 mm (7-7/8") for sanding tools
tool holder* - HSK-63F twenty-four (24) right-hand
collet* - RDO-35 twenty-four (24) size TBD
main spindle power 14.5 kW (19.4 hp)
spindle speed (variable) 0 to 24,000 rpm
spindle speed control two (2) 3-phase current vector regulated
boring unit adapter (size/type) 10 mm (straight)
boring unit drill length 70 mm (2-3/4")
boring unit power 4 kW (5.3 hp)
boring unit speed 4,500 to 6,000 rpm

* Combination of tool holder and collet balanced to G2.5 at 24,000 rpm.

Panel Specifications
maximum workpiece length (single operation – left spindle), for vertical router diameter of 25 mm (1"), with workpiece aligned with table edges, not using stop pins 5200 mm (204-23/32")
maximum workpiece length (single operation – left spindle), for all router processing units, with workpiece aligned with stop pins 4760 mm (187-3/8")
maximum workpiece length (alternating/pendulum operation for left spindle/left table & right spindle/right table) for vertical router diameter of 25 mm (1"), placing workpieces at table edge 3050 mm (120-1/16")
maximum workpiece length (alternating/pendulum operation for left spindle/left table & right spindle/right table) for all router processing units 2870 mm (112-31/32")*
maximum workpiece length (4-fold operation – synchronous processing) 1400 mm (55-3/32")*
maximum workpiece length (quick-change operation) 1400 mm (55-3/32")
maximum workpiece length (independent operation for left spindle/left table & right spindle/right table) for vertical router diameter of 25 mm (1"), placing workpieces at table edge 2250 mm (88-9/16")
maximum workpiece length (independent operation for left spindle/left table & right spindle/right table) for all router processing units 2100 mm (82-21/32")*
maximum workpiece width for vertical router diameter of 25 mm (1"), with workpiece aligned with table edges, not using stop pins 1524 mm (60")
maximum workpiece width for all router processing units, with workpiece aligned with front stop pins 1300 mm (51-5/32")
maximum workpiece thickness with clamping templates (provided by the customer) 210 mm (8-1/4")
maximum workpiece thickness with clamping templates (provided by the customer), without restriction for units & suction 60 mm (2-11/32")


minimum workpiece size depends on clamping devices, workpiece surface and contour
working height to upper table edge 850 mm (33-7/16")

* could be smaller, depending on the processing units being used

Facility Requirements of Processing Center
floor 10"to 12" min. concrete with rebar reinforcements (Note: A single, level pad is required for maintaining machine levelness over time.)
compressed air 103 psi and 42 cfm
dust extraction for working spindle volume - approx. 5880 cfm total (2 x 2940 cfm) air velocity - 92 ft/sec negative air pressure in - 7.87 in/WS outlet diameter - 250 mm (9-27/32") x 2 (Note: Please contact your dust extraction supplier to determine exact requirements for your facility.)
machine power* voltage: 480 volt; 3-phase, 4-wire grounded, 60 cycle amps required: 94
vacuum power* voltage: 480 volt, 3-phase, 4-wire grounded, 60 cycle amps required: 50

* Note: Customer voltage supplied must not fluctuate in excess of 5% of its stated value, otherwise a voltage stabilizer will need to be installed at the customer's expense. Homatic Control Equipment
Homatic CNC system Power Control PC85 with Windows® NT operating system
industrial PC (Pentium III) with 850 MHz and 512 Mbytes of RAM
one (1) hard disk solidly installed
one (1) hard disk in a change frame for data securing
one (1) 32X CD-ROM drive and one (1) 1.44 MB 3-1/2" floppy drive
TFT flat-panel color monitor with PC keyboard and mouse
six (6) axis control (X1, X2, Y1, Y2, Z1, Z2)
digital drive technology
field bus via optical fiber cable
no-break power supply (USV)
EtherNET network connection via network card & software, as described below


EtherNET Network Connection Homag Unit #6530
enables the connection of a computer local EtherNET network
Hardware:
EtherNET card with RJ45 connection (10/100 Base-T) (without cable) for PC- based control
Data communication types:
data communication via FTP, with the machine representing the FTP server; the TCP/IP protocol is installed on the machine; the IP-address of the machine & the address of a possible gateway-PC are configured on-site or via modem
for PC-based controls, data communication can also be effected by the Microsoft network; a drive of the machine can be connected with an office PC, or a shared drive of a server can be connected by the machine; the configuration of sharing a drive and/or connecting a server drive is effected on-site or via modem
customer provides PC network connection

Control Software
Windows® NT 4.0 and virus protection
1:1 securing (Cloning)
operation with Windows® standard via selection menu
PC85 CNC-kernel with:
control for continuous line operation in all axes
look-ahead function, to achieve optimum feed speed at transition points
dynamic look-ahead control for accurate contours
PC85 software kit with graphic operating programs, including:
WoodWOP for graphic and interactive creation of CNC programs, including the post-processor (details below)
a graphic tool database
CNC operation
graphic representation of clamping locations
error messages in clear text
up to 24-digit alphanumeric program names
Schuler MDE Basic
WoodSCOUT, Homag's diagnostic software system is included, as described below


WoodScout Diagnosis System Homag Unit #6383 A software kit for the graphical diagnosis of the machine's condition. With the WoodScout system, it is possible to systematically eliminated troubles, which can lead to a considerable increase in the factory's productivity. Features include:
graphical PLC diagnosis in different le