USED 1998 PFAUTER PE725G
Overview
Gleason-Pfauter PE725G Form Gear Grinder (Built 1998) — Available As-Is, Running Siemens 840C Controls
The Gleason-Pfauter PE725G is effectively a "stretched" model P400/600G. This machine is heavy, rigid, and extraordinarily capable — well suited for high-accuracy production of spur and helical gears, pinions, shafts, splines, and similar profiles using vitrified or CBN grinding wheels. This unit is offered as-is, in its current running condition, on its original Siemens 840C control system.*
This machine is currently set up without an on-board dressing system, as it was configured for Cubic Boron Nitride grinding operations with fixed workpiece designs.
Grinding Spindles & Wheel Options:
The standard wheel spindle accepts 250 mm OD wheels with a 76.2 mm arbor. Optional spindles — 127 mm arbor (300 mm wheel) and 50.8 mm arbor (200 mm wheel) — may be available pending confirmation.
Wheel changes typically require less than five minutes. Spindle changes take longer, so MTB generally recommends selecting a single common spindle size for all grinding wheels to streamline workflow and lower tooling overhead.
Current Configuration:
Pfauter PE725G base platform.
Siemens 840C control system (as originally equipped).
Sold and delivered in current, running as-is condition — no recertification, re-control, or upgrade included.
Specs
Gleason-Pfauter PE725G Form Gear Grinder (Built 1998) — As-Is Technical Specifications
Specifications reflect the machine's current, as-inspected configuration and are provided for reference only.
Workpiece / Tool / Machine Specifications:
Description | Inch | Metric
Maximum form-grinding wheel diameter | 11.81 in | 300 mm
Maximum wheel width | 1.57 in | 40 mm
Spindle journal diameter | 3.15 in | 80 mm
Spindle journal length | 5.20 in | 132 mm
Axis Travel Distances:
Description | Inch | Metric
Radial travel (X-axis) | 22.05 in | 560 mm
Tangential travel (Y-axis) | 7.68 in | 195 mm
Axial travel (Z-axis) | 23.23 in | 590 mm
Grinding Head Pivoting:
Description | Inch | Metric
Pivot +A direction | — | +40°
Pivot –A direction | — | –40°
Worktable:
Description | Inch | Metric
External table diameter | 17.72 in | 450 mm
Table bore diameter | 4.92 in | 125 mm
Maximum table load | — | 12 kN
Machine Dimensions & Weight:
Description | Inch | Metric
Overall length | 360.04 in | 9,165 mm
Overall width | 298.43 in | 7,580 mm
Overall height | 194.88 in | 4,950 mm
Machine weight (approx.) | 24,250 lb | 11,000 kg
Feeds, Rapid Traverses & Speeds:
Axes Feeds / Rapids
Description | Inch | Metric
X-axis feed / rapid | 118.11 in/min | 3,000 mm/min
Y-axis feed / rapid | 196.85 in/min | 5,000 mm/min
Z-axis feed / rapid | 188.98 in/min | 4,800 mm/min
Speeds:
Description | Inch | Metric
Tool spindle speed range 1 | — | 1,200–8,000 rpm
Tool spindle speed range 2 | — | 1,000–10,000 rpm
Worktable (C-axis) speed | — | 0–22 rpm
Electrical Specifications:
Description | Inch | Metric
Operating voltage | — | 460 V
Supply voltage | — | 230 V
Control voltage | — | 24 V
Frequency | — | 60 Hz
Cable cross-section | — | 35 mm²
Circuit protection | — | 100 A
Connected load | — | 70 kVA
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