JSTC

Schiess Vertical Gear Hobbing Machine

Manufacturer: Schiess
Model RF40/60S
New in 1969

Specifications:
Gear Diameter To Be Hobbed, Max.: 6096 mm
Gear Diameter To Be Cut, Min.: 1397 mm
Helix Angle Produced, Maximum.: 45 Degree
D.P. Produced By Means oF Hobs, Max. Finish Worm Drive: 2 DP
D.P. Produced By Means Of Hobs, Max. Roughing Worm Drive: 1 DP
Min. Vertical dist. Center of swivel to top of table, Max: 749 mm
Max. Center Distance of Hob to Table: 3099 mm
Min. Center Distance of Hob to Table: 800 mm
Face Width Of Gear Produced, (Hob Saddle Travel), Max.: 2540 mm
Table Load Capacity, Max.: 100 Tons
Table Diameter: 4394 mm
Table Spindle Bore Diameter: 1194 mm
Diameter of Indexing Worm Wheel: 4242 mm
Hob Diameter, Maximum: 337 mm
Hob Spindle On Spline Shank, OD: 130 mm
Hob Spindle In Front Bearing Diameter: 150 mm
Hob Spindle Bored To Take Metric Taper: 80
Hob Spindle Speeds: 9 To 100 RPM
Hob Saddle Feed When Hobbing
   (Per Revolution of Table): 0.06096 mm - 8 mm
Column Feed,(Per Revolution Of Table): 0.127 mm-16 mm
Number Of Feeds: 18
Rapid Traverse Of Hob Saddle: 203 mm/min
Rapid Traverse Of Column: 457 mm/min
Table Speed For Setting Purposes (Approx): 0.16-0.6 RPM
Main Drive Motor, Horsepower/RPM: 25 KW/2250 RPM
Rapid Traverse Motor, Horsepower: 11 KW
(2) Coolant Pump Motors, Horsepower: 1 KW
Lube Oil Pump Motor, Horsepower: 4 KW
Load Relief Table Track Oil Pump Motor: 1 KW
RPM Of These Motors: 1800 RPM

Machine Featfures:

* Massively Proportioned Machine Main Base, Slideways & Hob Column
* Hob Saddle w/Adjustable Bronze Gib Strips w/Precision Feed Screw w/Built-In Backlash Eliminating Feature
* Duplex Worm Drive Swivel Hob Head Providing Higher Transmission Ratio At Output Stage, & Quieter, Smoother Operation w/Axial Adjustment For Reducing Backlash
* Double Worm Drive To Work Table w/SCHIESS Patented Master Worm Wheel Design (Straight Spur Steel Coarse Pitch Indexing Wheel, Bronze Master Worm-Gear For Finishing)
* Duplex Indexing Worms
* Hydraulic, Self-Regulating Table Load Relief
* Infinitely Variable Feeds, Changeable Under Cutting
* Power Forced Lubrication System For All Slideways,   Bearings & Gear Meshing Points w/Special Easy Change-Over Filter & Monitored Optical & Acoustic Warning Signals
* Differential Mechanism For Cutting Helical Gears, Including Helical Gears w/Large Prime Numbers Of Teeth
* Variable Speed DC Main Drive Motor w/Reversible Three-Phase Motor For Rapid Traverse Movements
* Full Complement Of Electics (Motor/Controls), Buss-Ducting, Electrical Switch-Gear Cabinet, Operator0 ms Control Station/Desk w/Push Buttons For Machine Inching Motions, Set Up, & Fault Lamp Indication For Lube And/Or Coolant Failure

Machine Equipped With:

* Operator's Moveable Hand Held Pendant Control
* Complete Coolant Plant, Pump, Tank & Piping w/Magnetic Chip Conveyor & Discharge Tub
* Large Assortment Of Change Gears For Index, Differential, Including Primes
* Large Assortment Of Hob Arbors
* HIGH ACCURACY HOBBING HEAD
* HIGH ACCURACY SHAVING HEAD
* Miscellaneous Tooling and fixtures (yellow fixture in photo not included)
* Operator's Manual, Wiring & Hydraulic Diagrams, Foundation Drawings, Etc.

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