gear cutting and hobbing machines used for sale (210)

Key data: 3500 mm

HÖFLER Porta 3500 CNC Gear Grinding Machine We are pleased to offer a rare opportunity to acquire a HÖFLER Porta 3500 CNC Spur/Helical, Internal/External Gear Grinding Machine, a large-capacity later-generation traveling gantry system with very low operating hours. Machine Overview Make/Model: HÖFLER Porta 3500 CNC Year of Manufacture: 2007 Installation Year: 2010 Total Operating Hours: approx. 6,800 hours Design: Later-generation traveling gantry system Condition: The machine is currently in still under power and requires reinstallation of a refurbished hydraulic drive motor (included) prior to recommissioning. Key Specifications (Maximum capacities as per OEM data) External Grinding Diameter: 3500 mm (137.8”) Internal Grinding Diameter: 800 mm (31.5”) Tooth Profile Height: 80 mm (3.15”) Helix Angle: ±45° Max Module: 20 (1.34 DP) Grindi ...

Key data: 3500 mm

HÖFLER Porta 3500 CNC Gear Grinding Machine We are pleased to offer a rare opportunity to acquire a HÖFLER Porta 3500 CNC Spur/Helical, Internal/External Gear Grinding Machine, a large-capacity later-generation traveling gantry system with very low operating hours. Machine Overview Make/Model: HÖFLER Porta 3500 CNC Year of Manufacture: 2007 Installation Year: 2010 Total Operating Hours: approx. 6,800 hours Design: Later-generation traveling gantry system Condition: The machine is currently in still under power and requires reinstallation of a refurbished hydraulic drive motor (included) prior to recommissioning. Key Specifications (Maximum capacities as per OEM data) External Grinding Diameter: 3500 mm (137.8”) Internal Grinding Diameter: 800 mm (31.5”) Tooth Profile Height: 80 mm (3.15”) Helix Angle: ±45° Max Module: 20 (1.34 DP) Grindi ...

Key data: 400 mm

S375G SAMPUTENSILI "CNC" Horizontal Gear Profile Grinding Machine, suitable for the precision grinding of external spur and helical gears and shafts, as well as internal spur and helical gears and splines. The machine has the added capability of grinding worms, rotors, and other screw-type workpieces of similar profile up to 14.76” (375mm) which was factory OEM standard - but delivered at 15.74" (400mm) diameter, and 34.25” (870mm) in length. The machine is also equipped with the optional” on-board CNC” dressing feature, and the on-board CNC” gear inspection system-feature. Serial No. 2376 (New in 2007) This is a first-class, highly versatile gear grinding machine, in superlative” condition throughout, which may be inspected, in running service, at our customer’s plant facility, by appointment. -The machine would require acquisition & adaptation of an appropria ...

Key data: 3500 mm

HÖFLER Porta 3500 CNC Gear Grinding Machine We are pleased to offer a rare opportunity to acquire a HÖFLER Porta 3500 CNC Spur/Helical, Internal/External Gear Grinding Machine, a large-capacity later-generation traveling gantry system with very low operating hours. Machine Overview Make/Model: HÖFLER Porta 3500 CNC Year of Manufacture: 2007 Installation Year: 2010 Total Operating Hours: approx. 6,800 hours Design: Later-generation traveling gantry system Condition: The machine is currently in still under power and requires reinstallation of a refurbished hydraulic drive motor (included) prior to recommissioning. Key Specifications (Maximum capacities as per OEM data) External Grinding Diameter: 3500 mm (137.8”) Internal Grinding Diameter: 800 mm (31.5”) Tooth Profile Height: 80 mm (3.15”) Helix Angle: ±45° Max Module: 20 (1.34 DP) Grindi ...

Key data: 3500 mm, 20

HÖFLER Porta 3500 CNC Gear Grinder – As Is” with Limited Use We are offering a unique opportunity to acquire a HÖFLER Porta 3500 CNC Spur/Helical, Internal/External Gear Grinding Machine – a rare and powerful machine with low hours, available in As Is” condition at a negotiable price. Machine Overview: • Make/Model: HÖFLER Porta 3500 CNC • Year New: 2007 • Installed: 2010 • Total Hours: Only 6,800 since installation • Design: Later-generation traveling gantry • Condition: Structurally and mechanically sound, but currently not operational due to uninstalled hydraulic drive motor (refurbished and included). • A full assembly report detailing remaining work can be provided upon request. Key Specs: • Max external grinding diameter: 137.8” (3500mm) • Max internal grinding diameter: 31.5” (800.1mm) • Max tooth profile height: 3.15 ...

Key data: 4000 mm, 1560 mm, 32

CNC Gear Gringing machine HOFLER H4000 Year 1990 Maximum Workpiece Diameter 4000mm Gear Width 1560mm Module 3-32 Number of Teeth 12-768 Maximum Angle of Teeth 35 R/L Grad Pressure Angle 14-31 Degrees Table Diameter 1900mm Table Bore Diameter 750mm Maximum Workpiece Weight 35000kg Grinding Head Stroke 1600mm Ways hydrostatic Coolant, Filtration System Way Covers: rubber roll-up, metal telescopic and bellows neoprene Power 3 PH / 60 Hz / 230 – 460 V Equipped with: Reutlinger balancer Oil mist extraction system HOFLER TPF-40/1100 measuring machine Year: 1990 Max. Gear Diameter: 4000mm Both machines are in Excellent condition This machine was used to grind the gears for the US nuclear submarine transmissions (gearboxes). The machine was originally purchased new by General Electric for the Lynn Massachusetts Facility. We purchased it from them in excellent ...

Key data: 1000 mm, 25

Hofler Rapid 900 CNC form wheel gear grinder Year: 2003 installed 2004 This universal CNC form wheel gear grinder is a great job shop machine it can be inspected in plant under power . Machine is equipped complete with all necessary items to run this machine in your facility Machine specifications Max tip diameter of workpiece 1000 mm Max root diameter 50 mm stroke length 650 mm max workpiece height under tailstock 1960 mm profile height 41 mm Module 1-25 mm Helix angle +/- 45 deg Max grinding wheel diameter 400 mm Min wheel diameter 200 mm grinding wheel width 60 mm grinding spindle motor 13.5 Kw ...

Key data: 360 mm

Reishauer Model RZ362A CNC Gear Grinder Maximum Wheel Diameter: 14.17” Maximum Module: 0.275” Minimum Module: 0.0039” Slide Stroke: 6.88” Maximum Helix Angle: ± 45° Maximum Number of Teeth: 600 Minimum Number of Teeth: 6 Maximum Workpiece Weight: 132 lbs. Grinding Wheel Width: 4.09” Grinding Wheel Diameter: 11.02” – 13.77” Speed of Grinding Worm when Grinding: 1100 – 2330 U/min Speed of Grinding Worm when Profiling: 50 – 95 U/min Feed per Revolution of Workpiece: 0 – 0.133” Grinding Worm Infeed Speed: Up to 99.9mm/min / 3.93 IPM Approximate Weight: 14,553 lbs. EQUIPPED WITH: Reishauer CNC Controls. Dittel MBA2000 Balancing Controller. Elbaron R12D Mist Collector. Kato Motor Generator. Freestanding Hydraulic Unit. Hydraulic Oil Pump-Sump System. Free Standing Electrical Control Cabinet. Tailstock. (2) Wheel Hubs. Manuals and Drawin ...

CNC Gear Gringing machine HOFLER H4000 Year 1990 Maximum Workpiece Diameter 4000mm Gear Width 1560mm Module 3-32 Number of Teeth 12-768 Maximum Angle of Teeth 35 R/L Grad Pressure Angle 14-31 Degrees Table Diameter 1900mm Table Bore Diameter 750mm Maximum Workpiece Weight 35000kg Grinding Head Stroke 1600mm Ways hydrostatic Coolant, Filtration System Way Covers: rubber roll-up, metal telescopic and bellows neoprene Power 3 PH / 60 Hz / 230 – 460 V Equipped with: Reutlinger balancer Oil mist extraction system HOFLER TPF-40/1100 measuring machine Year: 1990 Max. Gear Diameter: 4000mm Both machines are in Excellent condition This machine was used to grind the gears for the US nuclear submarine transmissions (gearboxes). The machine was originally purchased new by General Electric for the Lynn Massachusetts Facility. We purchased it from them in excellent ...

HOFLER HF 2000L hobber/gasher with both internal/external heads Year: 2013 Installed in 2020 Less that 200 working hours Table diameter: 1500mm Table loading: 18000kg Working stroke (external hobbing): 1760mm Working range above table (external hobbing): 150-1910mm Working range above table (internal hobbing): 250-1460mm Counter support-end face above table: 800-2300mm External toothing, Max: 2000mm Internal toothing, Max: 2400mm CNC control: Siemens 840D Complete weight: 61000kg Equipped with counter support

max. wheel diameter:200 mmgear width:250 mmmax. module:3 min. module:0,5 total power requirement:45 kWweight of the machine ca.:8,5 tdimensions of the machine ca.:4,4 x 2,4 x 2,7 mMachine out of prototype productionWithout automation

grinding wheel diameter:400 mmtotal power requirement:3 kWweight of the machine ca.:1,5 tdimensions of the machine ca.:1,5 x 1,4 x 1,3 mDressing Grinder for gears REISHAUER AMmax. width of grinding wheel 104 mmmax. dia. of grinding wheel 400 mmmax. module 7min. module 0,5pressure angle 10 - 30 °grinding worm dia. 270 - 400 mmwidth of grinding worm 62/84/104 mmgrinding worm turning speeds: at profiling 18/35/70 U/minelectrics - voltage/frequency 380 / 50 V/Hzlong. movement of crowning device 156 mm

weight of the machine ca.:8 tdimensions of the machine ca.:2,95 x 1,6 x 2,36 mchucking diameter:250 mmswing diameter:265 mmx-travel:170 mmz-travel:200 mmspindle turning speed range:1.500 U/minspindle bearing diameter:100 mmPick-up machine

weight:22 t

max. wheel diameter:200 mmgear width:250 mmmax. module:3 min. module:0,5 total power requirement:45 kWweight of the machine ca.:6,5 tdimensions of the machine ca.:4,4 x 2,4 x 2,7 mMachine out of prototype productionWithout automation

max. wheel diameter:40-200 mmtotal power requirement:31,3 kWweight of the machine ca.:4 tdimensions of the machine ca.:1,8 x 2,2 x 1,8 m

max. wheel diameter:150 mmgear width: mmmax. module:3,5 min. module:1,25 total power requirement: kWweight of the machine ca.:6,5 tdimensions of the machine ca.:2,35 x 2,10 x 2,35 mWidth of teeth:45 mmboring diameter:100 mmsurface area:1300 x 300 mm

max. wheel diameter:150 mmgear width: mmmax. module:3,5 min. module:1,25 total power requirement: kWweight of the machine ca.:6,5 tdimensions of the machine ca.:2,35 x 2,10 x 2,35 mWidth of teeth:45 mmboring diameter:100 mmsurface area:1300 x 300 mm

control:siemens 1P 6SL 3054--0CE01-1AA0 Documents:vorhanden

max. wheel diameter:130 mmgear width:170 mmmax. module:3 min. module:0,5 total power requirement:48 kVAweight of the machine ca.:9 tdimensions of the machine ca.:7,64 x 3,14 x 3,25 mFor technical data, see PDF-File enclosed

Dressing diameter: Planing width: min. module: for Reishauer RZ150

max. wheel diameter:275 mmgear width:55 mmmax. module:6,5 min. module:1,5 Face Hobbing-Continious ProcessContinuous process: The workpiece and tool (usually Spiron) rotate at the same time, and all teeth are created in one operation at the same time. Knife head has several knife groups (not arranged in a circle) Parallel tooth Conical tooth tip surface Single Item procedure: The workpiece is stationary and the tool (usually Arcon) rotates and cuts a tooth by immersing the tool. Once a tooth is cut, the tool moves out of the tooth again, the workpiece divides by one tooth width and the next tooth is cut until all teeth are finished. Knife head has arranged all knives in a circular path. Conical tooth height Parallel tooth head surfaceC28 can do both, wheel + pinion. However, a C28 must be ?prepared? for the individual part procedure. I.e. direct measuring system + part gear brake, workpie ...

max. wheel diameter:275 mmgear width:55 mmmax. module:6,5 min. module:1,5 Face Hobbing-Continious ProcessContinuous process: The workpiece and tool (usually Spiron) rotate at the same time, and all teeth are created in one operation at the same time. Knife head has several knife groups (not arranged in a circle) Parallel tooth Conical tooth tip surface Single Item procedure: The workpiece is stationary and the tool (usually Arcon) rotates and cuts a tooth by immersing the tool. Once a tooth is cut, the tool moves out of the tooth again, the workpiece divides by one tooth width and the next tooth is cut until all teeth are finished. Knife head has arranged all knives in a circular path. Conical tooth height Parallel tooth head surfaceC28 can do both, wheel + pinion. However, a C28 must be ?prepared? for the individual part procedure. I.e. direct measuring system + part gear brake, workpie ...

max. wheel diameter:50 mmgear width:20 mmmax. module:4 mmmin. module:0,1 mmtotal power requirement:12,5 kWweight of the machine ca.:4000 kgdimensions of the machine ca.:2,2 x 2,5 x 2,3 mworkpiece length - max.:300 mm

weight of the machine ca.:4 t

total power requirement:413 kWInduction hardening machine Rotary table Eldec: Z (servo drive 750 mm Y (electromechanical) 300 mmX (electromechanical) 200 mmMaximum part diameter 600 mmMaximum workpiece weight 500 kg High frequency generator type HFG 200 Medium frequency generator type MFG 30

max. wheel diameter:260 mmgear width:320 mmmax. module:5 weight of the machine ca.:21 tdimensions of the machine ca.:8,71 x 5,97 x 3,49 mno. of teeth:1...999 max. helix angle:+45/-45 °pitch min.:0,1 mmpitch max.:1000 mmX-axis:345 mmy-axis:250 mmZ-axis:320 mmb-axis:360 °c-axis:360 °Coolant is not available. It was central and there is only a booster pump without filtering. For loading system there is a 2-axes robot with workpiece conveyor.

max. wheel diameter:280 mmmax. module:7 weight of the machine ca.:13 ttable turning speeds:100 U/mintable diameter:250 mmmin. number of teeth:4 hob turning speeds:1500 U/minmax. hob diameter:160 cutter length max.:230 mmMachine in good condition.Available 01.08.2024