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Gear Grinding Machines HOFLER PORTA 3500 CNC

metal working machines / gear cutting and hobbing machines / Gear Grinding Machines

Evelin of America Corporation
[ dealer profile ]

Mr Yury Smirnoff
06514 Hamden
USA

  • +1 203 55... phone

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RESALE member since 2022

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item-No.: 165507039 Quantity: 1 Date: 12.11.2024
Year of manufacture: 2007 Location: Land-us USA
Price:
Manufacturer: HOFLER
Model: PORTA 3500 CNC
Type of machine: Gear Grinding Machines
Max. wheel diameter: 3500 mm
Max. module: 20
Description: Gear Grinding Machines HOFLER PORTA 3500 CNC

used machine

HÖFLER Porta 3500 CNC spur/helical, internal/external gear grinding machine
suitable for the precision, finish grinding of both internal and external spur and helical gears
New 2007, installed in 2010
The machine is of the later generation HÖFLER Porta series traveling gantry machine design, and has been found to be in first class condition throughout, having had only 6,800 hours of total use since initial installation. Arrangements for the physical inspection of the machine, can be made by appointment, with one week’s prior notice.

Table diameter …………………………………………………………… …. 92.5” (2350mm)
Maximum tip circle diameter (external grinding) …………………​137.8”​​(3500mm)
Minimum root circle diameter (external grinding) ……………….​ 3.9”​​(99.06mm)
Maximum tip circle diameter (internal grinding) ………………….​ 31.5”​​(800.1mm)
Maximum root circle diameter (internal grinding) ………………...​ 129.9”​​(3299.46mm)
Maximum diameter workpiece ……………………………………..​ 137.8”​​(3500mm)
Maximum number of teeth ground …………………………………​ unlimited
Maximum tooth profile height ………………………………………..​ 3.15”​​(80.01mm)
Maximum diametral pitch (module) …………………………………​ 1.34 DP​(20 module)
Maximum helix angle ………………………………………………… +/- 45˚
Maximum grinding stroke (external grinding) ………………………​ 65”​​(1651mm)
Maximum grinding stroke (internal grinding) ……………………….​ 47.2”​(1199mm)
Maximum loading on table …………………………………………………. 88,105 Lbs (40,000kg)

Equipped with:
• Integrated gear inspection system with HÖFLER inspection and evaluation software
• full machine enclosure with power operated guard doors
and oil-mist exhaust system
• SIEMENS 840-D CNC” control with gear grinding software for grinding
spur and helical, internal and external gears
• machine integrated gear inspection system for profile, lead and spacing
(fp, fu and Fp) checks of external and internal gears from module ≥1 E41137227 mm,
including the HÖFLER inspection and evaluation software.
• complete coolant plant with filtration unit and chiller system
for grinding and hydraulic oil
• SMW Accusmart-65” diameter rotary work-table
• two (2) grinding spindles
-grinding spindle for spur and helical, internal and external gears
with CNC dressing unit
-stroke slide with ID / OD face-grinding spindle with dresser
• assorted auxiliary work-tables, work-fixtures, and chucks,
including table mounted work support bracket-segments for
larger diameter work-pieces
• full complement of electrics (motors/controls), with air-conditioned
switch-gear cabinet, all buss-ducting and connection cables
(currently arranged for 480 Volt, 60Hz operation)
• misc. wrenches, spanners, operator’s tools with cabinet
• machine leveling shoes
• full machine documentation (operator’s manual for machine and controller,
parts list, electrical and hydraulic diagrams, etc.)

seller offer No. resale 165507039
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