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Specifications

 Categories > Gear Hobbers, Vertical, Man. & CNC

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  Stock ref. # 0640

  Manufacturer SCHIESS
  Model RF40/50S
  Year 1973/74
  Diameter 196"
  Control *
  Price SOLD!

 

Other specifications

 

                  #RF40/50S SCHIESS HEAVY DUTY UNIVERSAL GEAR HOBBER

                  New 1973/74, Serial No 43902, Model RF40/50S

                 

                  EQUIPPED WITH:

                  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

                  Auxiliary Internal Hobbing Attachment For Both Spur &

                  Helical Internals

                  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

                  Massively Proportioned Outboard Support Column

                  w/Machined Base & Steady Rest Type Work Support For

                  Heavy Pinions Cut In Vertical Execution

                  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,

                  Operator's Control Station/Desk w/Push Buttons For

                  Machine Inching Motions, Set Up, & Fault Lamp

                  Indication For Lube And/Or Coolant Failure

                  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

                  Miscellaneous Wrenches, Spanners, Operator's Tools

                  Operator's Manual, Wiring & Hydraulic Diagrams,

                  Foundation Drawings, Etc.

                 

                 

                  CATALOGUE SPECIFICATIONS:

                 

                  MAIN MACHINE - EXTERNAL GEARS:

                  Gear Diameter To Be Hobbed, Max 196-4/8"

                  Gear Diameter To Be Cut In Accordance w/Grade A

                  Of BSA 1498:1954 169-5/16"

                  Gear Diameter To Be Cut, Min 27-9/16"

                  Helix Angle Produced, Maximum 45 DEGREE

                  D.P. Produced By Means Of Hobs, Max 1-1/4 D.P.

                  Face Width Of Gear Produced,

                  (Hob Saddle Travel), Max 78-3/4"

                  Table Load Capacity, Maximum 65 TONS

                  Center Distance, Hob To Table, Min 17-23/32"

                  Outside Table Diameter 141-3/4"

                  Table Spindle Bore Diameter 39-3/8"

                  Hob Diameter, Maximum 13-26/64"

                  Hob Spindle On Spline Shank, OD 5-1/8"

                  Hob Spindle In Front Bearing Diameter 5-23/32"

                  Hob Spindle Bored To Take Metric Taper 80

                  Hob Spindle Speeds 9 To 100 RPM

                  Hob Saddle Feed When Hobbing

                  (Per Revolution Of Table) 0.0047" - 0.240"

                  Column Feed, Per Revolution Of Table) 0.0098"-0.4921"

                  Number Of Feeds 18

                  Rapid Traverse Of Hob Saddle 7-3/32 IPM

                  Rapid Traverse Of Column 14-11/64 IPM

                  Tbl Speed For Setting Purposes (Approx) 0.16-0.6 RPM

                  Main Drive Motor, Horsepower/RPM 33 HP/2250 RPM

                  Rapid Traverse Motor, Horsepower 15 HP

                  (2) Coolant Pump Motors, Horsepower 2 HP

                  Lube Oil Pump Motor, Horsepower 5.4 HP

                  Load Relief Table Track Oil Pump Motor, HP 2 HP

                  RPM Of These Motors 1800 RPM

                 

                  WORK ARBOR SUPPORT COLUMN:

                  Diameter Of Work Arbor Accommodated In

                  Steady Jaws, Maximum/Minimum 19-11/16"/2-23-64"

                  Gear Diameter To Be Cut Using Steady, Max 78-3/4"

                  Distance Between Top Of Table To Bottom Edge

                  Of Steady Jaws, Maximum 137-13/16"

                  Steady Jaws Length 4-23/32"

                  Motor For Traversing The Steady, HP 5.4 HP

                  Rated Speed, Approximately 1800 RPM

                 

                  INTERNAL HOBBING HEAD:

                  I.D. Of Gears To Be Produced, Minimum 38"

                  I.D. Of Gears To Be Produced, Maximum 220"

                  Helix Angle To Be Produced, Maximum 30 DEGREES

                  Difference Between OD & ID Radius Of The

                  Gear, When Using Max. Dia. Hob, Max 13"

                  Face Width Of Helical Gears, In Dependence Upon

                  The Helix Angle Bo & The ID Of The Gears, Max.

                  Bo = 0 To 18 Degrees & 38" ID 17.32"

                  Bo = 20 Degrees & 38" ID 16.14"

                  Bo = 25 Degrees & 38" ID 13.38"

                  Bo = 30 Degrees & 38" ID 10.63"

                  Bo = 0 To 30 Degrees & 53" ID 17.32"

                  Module Produced By Means Of Hobs In 0.6-0.7 KN/mm 2 Tensile Steel,

                  Maximum 1.25 DP

                  Tip Circle Diameter Of Hob, Maximum 18.11"

                  Root Circle Diameter Of Hob, Minimum 14.57"

                  Total Hob Width, Maximum 5.91"

                  Useful Width Of Hob, Maximum 4.25"

                  Hob Hole Diameter 3.937"

                 

                  NOTE: Suitable For The Cutting Of External Spur

                  & Helical Gears, Pinions, Splines & Other Workpieces

                  Of Simnilar Profile Up To 197" Pitch Diameter,

                  w/78.75" Facewidth, In Addition To Internal Spur &

                  Helical Gears Up To 220" Diameter, w/Up To 17.3"

                  Face-Width Utilizing The Machine's Auxiliary

                  "Internal Hobbing Attachment". The Speed Range Of

                  The Hob Spindle Is Identical To That Of The Hob

                  Spindle In The Swivel Part

 

Photos

 

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