Hofler Viper 500W CNC Form & Generating gear grinder , machine with siemens controls , fully equipped under power new 2019

Hofler cnc gear grinders
Model VIPER 500W
New 2019
s/n will advise
excellent condition under power (2 available)

Machines can be inspected under power in plant running parts
Machine videos as available upon request . Machine options and
specifications are below as these machines can do both generating
and form grinding. Internal attachments may be available as well .

Technical Specifications – VIPER 500 W
Work Area and Capacities
• Maximum workpiece diameter: Ø 500 mm
• Maximum grinding stroke: 500 mm
• Work area over table (min. – max.): 300 – 800 mm
• Distance between center and table (min. – max.): 442 – 1,042 mm
• Module / (Generating grinding module): 0.5 – 22
• Swivel angle (min. – max.): –180° / +45°
Grinding System
• Grinding wheel diameter (min. – max.): Ø 221 – 350 mm
• Grinding worm diameter (min. – max.): Ø 221 – 350 mm
• Maximum grinding wheel width: 75 mm
• Maximum grinding worm width: 150 mm
• Grinding spindle power: 37 kW
• Maximum grinding wheel speed: 6,000 rpm
Table and Feed
• Table diameter: Ø 400 mm
• Table hole (diameter x depth): Ø 100 x 500 mm
• Table rotation speed (max.): 1,000 rpm
• Axial feed rate (max.): 20,000 mm/min
• Radial feed rate (max.): 12,000 mm/min
• Tangential feed rate (max.): 20,000 mm/min
Power and Dimensions
• Total connected load: 60 kVA
• Machine dimensions (L x W x H): 4,220 x 3,120 x 2,526 mm
• Filter unit dimensions (L x W): 3,490 x 2,250 mm
• Net weight (approx.): 19,300 kg

🔧 Machine Configuration – VIPER 500 W
🟩 Base Machine and Options
1. VIPER 500 W base machine
2. Preparation for internal grinding arms
3. Internal grinding unit V5 for straight or helical gear teeth
4. Measurement device for profile, lead, and pitch of external gears
5. Measurement device for profile, lead, and pitch of internal gears (V5)
6. Touch-trigger phasing system
7. Power supply with voltage drop compensation (ESR)
8. 100 mm table adaptation
9. Preparation for hydraulic clamping elements
10. Hydromechanical unit for drawbar clamping systems
11. Grinding oil treatment system with filter belt (100)
12. Fire suppression system
13. Automatic working area door
14. Cleaning system with wash gun
15. Hoist integrated into the machine enclosure
16. Isolation transformer
17. Voltage stabilizer – stabilizer and isolation transformer
18. Signal tower (status light)
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🛠️ Services
19. Delivery according to Incoterms 2010
20. Installation and commissioning on-site
21. Operator training, 5 days
21.01 Interpretation service for training course
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💻 Software Packages
22. Gear PRO software
23. Software for splined shaft grinding
24. Software for splined shaft inspection
25. BIAS control software for gear grinding
26. CBN grinding wheel software
27. ADI dressing process optimization
28. Dressing tool (DLC) lifetime monitoring
29. Flexible profile modifications for grinding
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🧰 Consumables
30. Endless filter belt
31. Assembly/disassembly aid for filter belt (100)
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💎 Diamond Dressing Rolls
32. CVD dressing roll, D200/R1 for form grinding
33. CVD dressing roll, special design for generating grinding
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⚙️ Grinding Wheels
34. Grinding wheel D350/B60 for form grinding
35. Grinding wheel D350/B45 for form grinding
36. Profiled grinding wheel D350/B150 for generating grinding
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🧩 Spacer Plates
37. 4 spacer plates B100
38. 22 spacer plates B60
39. 30 spacer plates B45
40. 37 spacer plates B30
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🔩 Other Components
41. Grinding wheel flange (without spacer plate)
42. Set of "standard" probes
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➕ Additional Options

44. Closed Loop 1.0 – Basic version
45. Interface for external automation

many of these items are with the machines but need to be confirmed
the machines can be inspected under power with proper notice.
Machines will be sold quickly , so we recommend prompt inspection
and payment . our prices are non -negotiable for indicidual purchase

contact Rich Piselli to set up an inspection on these machines at
rich@Pisellient.com or visit our website for formal quote and pricing
at WWW.Pisellient.com

thank you
Richard Piselli
704 609-0766 whats app