Gleason Pfauter P2800 CNC Gear Hobbing Machine – Year 2007
GEAR HOBBING MACHINE GLEASON PFAUTER P2800 CNC
The machine has only a few working hours and is like new.
The machine is under power and may be inspected by prior arrangement.

TECHNICAL DATA
Nominal work piece diameter: 2800 mm
Table diameter: 2500 mm
Pitch wheel diameter: 2,200 mm
Table bore diameter: 800 mm
Table bore depth: 875 mm

Machine nominal module
Hobbing approx. 20 mm gear
Milling approx.: 30 mm
Smallest/largest distance between milling cutter and workpiece axis: 600/1,735 mm
Largest axial slide path – special design: 1,000 mm
Largest champable hob diameter: 350 mm
Largest champable hob length: 375 mm
Swivel range of the milling head: + 30/- 450
cutter arbor cone: HSK-B160 (hollow shank taper according to DIN 69063)
Largest milling cutter displacement path: 300 mm

SIEMENS path control SINUMERIK 840 D with 5 axes and 1 spindle (basic configuration) as well as electronic gear (EG) and integrated safety functions.

MOTOR MILLING HEADS
– for INTERNAL gears: 11
Min./Max. Wheelbase 280/1,820 mm
Min. workpiece inner diameter approx. 1,000 mm ++
Max. workpiece ring thickness 240mm ++)
Max. workpiece width 470mm ++)
– EXTERNAL gears M2
– with the smallest external * 950 mm
– with the largest external * 950 mm -* 2800 mm

TECHNICAL DATA OF GLEASON PFAUTER P2800

BASIC DATA GLEASON PFAUTER P2800
for gearing cylindrical and worm gears as well as all other rollable profiles and shapes that occur regularly on the cylindrical workpiece circumference.
Working range and technical data:
Nominal workpiece diameter 2800 mm
Machine nominal module
hobbing approx. 20 mm gear (recommended values depending on the respective processing task.)
milling approx. 30 mm (recommended values depending on the respective processing task.)
(See also attached Appendix A 9.)
Smallest/largest distance between milling cutter and workpiece axis 600/1,735 mm (taking into account the option item 800)
Largest axial slide path
special design 1,000 mm
”
Largest clampable hob”
diameter 350 mm
length 375 mm
Swivel range of the milling head + 30/- 45o
cutter arbor cone HSK-B160 (hollow shank taper according to DIN 69063)
Largest milling cutter displacement path 300 mm
table diameter 2,500 mm
pitch wheel diameter 2,200 mm
Table bore
diameter 800 mm
depth 875 mm
Largest table load approx 40,000 kg
Weight of the machine
with 700 mm axial travel approx 55,000 kg
with 1,000 mm axial travel approx 56,000 kg
with 1,300 mm axial travel approx 57,000kg
“The travel distances and angles mentioned above can be limited depending on the workpiece and tool dimensions, the gearing data and the workpiece-dependent machine equipment.
For design details and other technical data, please refer to the enclosed documents.”
WHAT DO YOU GET GLEASON PFAUTER P2800
MACHINE basic machine P 2800
Error causes and status data are displayed.
CHIP CONVEYOR scraper chip conveyor – horizontal –
for removing chips when milling external gears with carbide disc milling cutters.
Arranged across the machine below the milling head.
Without chip trolley.
MILLING HEAD motor milling head for internal gears I1
Motorized milling head for hobbing and profile milling of internal gears (in addition to the standard motorized milling head), with frequency-controlled, liquid-cooled three-phase motor (rated power 30 kW) and hydraulically preloaded spur gear drive.
Millable nominal module in steelwith a strength of around 600 N/mm2 approx. 25mm +)
Cutter speed range 25 – 150 min-1
Max. Cutter diameter 420 mm
Max. Cutter width. 90mm
Min./Max. Wheelbase 280/1,820 mm (taking into account the option from item 800)
Max. workpiece ring thickness 240mm ++)
Max. workpiece width 470mm ++
Min. workpiece inner diameter approx. 1,000 mm ++
Max. circumferential diameter with backrest 1,600 mm
with backrest retracted 2,800 mm
without backrests 2,600 mm
Including 1 cutter arbor 80 mm diameter
NOTE: +) Rough/finish milling with profile milling cutters in the individual process or finish hobbing of pre-milled gears.
++) Only approximate values, as the work piece dimensions that can be machined depend on the helix angle, tooth depth and milling cutter dimensions. In individual cases, a workspace inspection is therefore required.
1 332 set of adjusting wedges
for setting up and aligning the machine.
1 382 storage device for internal milling head
Storage device for internal hobbing and profile milling head with load handling device (hanger) for easier and quicker changing of the milling head.
1 801 chip conveyor under floor
Underfloor chip conveyor for removing chips during dry/wet milling of internal gears, including table breakthrough.
1 761 dialog program “Milling in single part processing.”
Extension of the standard dialog program for milling externally toothed spur gears using the single-part process.
1 144 Extended software for error diagnosis
JEZIK with plain text display on the screen in English Error causes and status data are displayed.
1 766 dialog program shifting data
dialog program shifting data for tool life control (counter for number of workpieces per tool)
1 802 Dialogue program extension for internal gearing
1 631 Milling arbor diameter 60 mm
cutter arbor diameter 60 mm with hydraulic nut and rings.
2 632 Milling arbor diameter 80 mm
cutter arbor diameter 80 mm with hydraulic nut and rings.
2 633 Milling arbor diameter 100 mm
cutter arbor diameter 100 mm with hydraulic nut and rings.
1 146 Telephone diagnosis system
telephone diagnosis system including software package and modem for data transmission.
1 831 Three-color lamp
Three-color lamp to indicate the operating status.
1 832 Flushing gun
flushing gun for cleaning the work area with cooling lubricant.
1 395 Special paint
Special paintwork with textured paint RAL 1002 instead of the standard paintwork.
1 835 Language extension of the SIEMENS control
Language: English
1 836 Installation of the machine under floor
Installation of the machine below the floor (machine table at hall level), with increased discharge height of the chip conveyor.
The standard equipment: The standard equipment of the machine includes:
a) SIEMENS path control SINUMERIK 840 D with 5 axes and 1 spindle (basic configuration) as well as electronic gear (EG) and integrated safety functions.
“* 19″” slimline operator panel OP 012 with
– integrated PC system PCU 50 (MMC)
– 12.1″” TFT color display”
* 19″ machine control panel
“* Control module (NCU) integrated in the digital converter system SIMODRIVE 611 D with
– numerical control (CNC)
– programmable logic controller (PLC) S7-300”
* Decentralized machine peripherals (ASI bus)
b) All axes/spindles with digital drive technology (SIMODRIVE 611 D) and absolute encoders (with the exception of endless rotary axes and spindles).
NC axes/spindles:
– Tangential axis (Y)
– axial axis (Z)
– tool pivoting (A)
– tool spindle (S)
– workpiece rotation (C)
c) Incremental measuring systems
d) Hand-held device with electronic hand wheel for the NC axes, with 12 freely assignable keys.
f) Automatic milling head swiveling within the work program.
The milling head is positioned, clamped and released automatically (resolution 0.001o).
“g) Power clamping device for milling cutter arbor for quick changing of milling cutters and milling cutter arbors.
Milling arbor clamping via disk springs with hydraulic release.”
h) Workpiece table
with separate servo drive and 1-speed double worm gear to completely eliminate play and achieve high indexing accuracy.
Hydrostatic table bearing.
Max. table speed: Max. table speed: 4.5 min-1
i) Carriage drives by servomotors with hardened and ground ball screws and preloaded nuts.
Max. feed and rapid traverse speeds: Max. feed and rapid traverse speeds:
axial – axial 4,000 mm/ min
radial – radial 3,000 mm/min
tangential – tangential 3,000 mm/min
j) Full coverage of the work area including splash protection door on the operator’s side.
k) Accessible work platform
l) Milling cutter cooling lubrication device with electric centrifugal pump for approx. 150 l/min delivery capacity.
External cooling lubricant tank, connected to the tank space in the machine bed.
Total capacity approx. 2,000 l.
“m) Magnetic chip conveyor
for the intensive separation of ferromagnetic chips from the cooling lubricant.”
Arranged transversely to the machine as standard.
Nominal width: 450 mm
Discharge height: approx. 1,220 mm Without chip trolley.
n) Lubrication and hydraulics – together – with a separate container for the lubricating/hydraulic oil and a control pump.
Circulation or splash lubrication of all gear parts.
Continuous lubrication of milling head wheel housing, milling spindle bearing, milling cutter arbor counter bearing and partial gear.
Automatic lubrication of all guideways.
Filter with electrical contamination indicator.
Hydraulic directional valves with connections according to DIN 24 340, CETOP, ISO.
Tank capacity approx. 600 l.
o) Safety return stroke
Device for separating the engagement between the tool and the workpiece, which becomes effective independently of an external energy supply if the tool and/or the machine could be at risk due to a power failure.
It also reacts to control faults, measuring system or device failure, overload, etc.
The main stand is immediately retracted and all other movement is stopped.
Electrical buffering ensures that the gear coupling between the hob and the workpiece table is maintained for a sufficient period of time.
p) Standard dialog program “Straight gear milling” under Windows, with plain text operator guidance, for milling single external gears in the generating process.
The output data are the primary data of the workpiece and the tool as well as the cutting data.
Program content:
– Single-cut circuit
– Two-cut circuit
– Climbing/contra- flow
– axial milling
– Radial milling
– Radial/axial milling
– Diagonal milling
– 2 shift strategies
– Crown milling (symmetric)
– Conical milling – File attachment
q) Electrical equipment
“according to DIN EN 60204/VDE 0113 Part 1, Issue November 1998. The control cabinet is on the operating side of the machine.
The control panel is mounted on the control cabinet and is
ergonomically accessible from the working platform.”
“Machine installed ready for operation for:
Operating voltage 400 V three-phase current (50 Hz)
Control voltage 24 V direct current
Solenoid voltage 24 V direct current
Total connection value of the machine approx. 100 kVA.”
r) Control cabinet cooler
with air/air heat exchanger.
(Air/water heat exchanger on request.)
s) accessories
1 cutter arbor 60 mm diameter with rings and hydraulic nut
1 work area light
1 control cabinet light
1 set of tools for machine operation and maintenance
1 operating manual
1 programming guide
1 maintenance manual
1 set of electrical documents in Romanian.
t) machine color
Special paint finish RAL 1002 (sand yellow)
u) Machine with normal accuracy
according to our acceptance conditions, corresponding to ISO 6545 (1992).
v) Metric version machine

Promised features: Quality 10 according to DIN 3962