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CNC MACHINERY & EQUIPMENT
GEAR SHAPERS, CNC

Fellows (Bourn & Koch) #50-8 Hydrostroke 6-Axis, 50" max diameter external gear, Fanuc 15iM, 2DP, retrofit 2005, (2 available), #28838

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General Specifications


Manufacturer: Fellows
Model: 50- 8
Stock #: 28838
Price: Request a Price

Dealer Information


Mohawk Machinery Inc
10601 Glendale Rd
Cincinnati, OH 45215-6330

Contact: Mr.Secord
Tel: 513-771-1952
Fax: 513-771-5120
Email: secord@mohawkmachinery.com

In the Surplus Record since 1956
Website: web.mohawkmachinery.com

View our Equipment Listings

Detailed Product Description


MODEL NO. 50-8 FELLOWS ( BOURN & KOCH )"HYDROSTROKE"
6-AXIS “CNC" GEAR SHAPING MACHINES
SERIAL NO. 35838 (NEW 1986, FACTORY REBUILD-RETROFIT/2005)

SUITABLE FOR CUTTING THE CUTTING OF INTERNAL/EXTERNAL STRAIGHT SPUR
GEARS, SPLINES, AND OTHER WORK-PIECES OF SIMILAR PROFILE UP TO 50"
(1270MM) DIAMETER, 8" (203.2MM) FACE-WIDTH

CONTROL FEATURES -
GE-FANUC 16I-M "CNC" CONTROLLER, WITH GEAR SHAPING SOFTWARE, COLOR LCD DISPLAY, AND “USER FRIENDLY" CONVERSATIONAL DIALOGUE PROGRAM WITH PROMPTS FOR EASY OPERATOR ENTRY/INPUT OF DESIRED CUTTING PARAMETERS. THE CNC WILL CONTROL THE FOLLOWING MOTIONS/AXES: - WORK TABLE ROTATION (NO CHANGE GEARS REQUIRED) - CUTTER SPINDLE ROTATION - WORK TABLE INFEED
- CUTTER SPINDLE STROKING SPEED - STROKE POSITION
BOTH WORK AND CUTTER SPINDLE HAVE RAPID ROTATION FOR INDICATING PURPOSES
FOUR CUT CAPABILITY SELECTABLE VIA THE CNC WITH STROKING SPEED, DEPTH FEED RATE, DEPTH OF CUT AND ROTARY FEED INFINITELY VARIABLE,
WITH INDIVIDUAL PARAMETERS PRESET FOR EACH CUT AS FOLLOWS:
- DEPTH OF CUT - INFEED RATE - STROKING SPEED - ROTATIONAL FEED RATE
- DEGREE OF WORK ROTATION
ROTARY FEED: THE CUSTOM SOFTWARE ON THE FANUC CONTROLLER ALLOWS DIRECT INPUT OF ROTARY FEEDS FOR EACH CUT
HIGH OUTPUT, QUICK RETURN, INFINITELY VARIABLE STROKING DRIVE WITH ADJUSTABLE RETURN RATIOS AS FOLLOWS:
12 TO 500 SPM AT 2:1 RATIO
12 TO 300 SPM AT 3:1 RATIO
DIGRESSIVE INFEED (INFEED PER STROKE DIMINISHING FROM A PRESET HIGH VALUE AT BEGINNING OF CUT TO A PRESET LOW VALUE AT DEPTH)
RE-CUT MODE ALLOWS THE OPERATOR TO BRING THE PART INTO SIZE WITHOUT CHANGING THE PROGRAMMED PARAMETERS.
SETUPS CAN BE STORED IN NONVOLATILE MEMORY USING A SETUP NUMBER BETWEEN 1-9990

ADDITIONAL FEATURES / EQUIPMENT
ADJUSTABLE CUTTER POSITIONING AT TOP OF STROKE
CROWNING AND TAPER CAPABILITY VIA BACK OFF CAM
COMPLETE "HYDROSTROKE" HYDRAULIC POWER UNIT
CONSTANT PRESSURIZED LUBRICATION TO ALL WORKING ELEMENTS
6-JAW, 42" DIAMETER, 5-1/8" HEIGHT, CHUCK FOR WORK-TABLE (W/O JAWS).
MECHANICAL STRAIGHT SPUR GUIDE FOR CUTTER SPINDLE
EXTENDED 6" (152MM) SUB-BASE ASSEMBLY PROVIDING FOR 26.5" (673MM)
TOTAL WORK-PIECE AND FIXTURE CLEARANCE HEIGHT
FULL COMPLEMENT OF ELECTRICS (MOTORS/CONTROLS) WIRED FOR 460V 60HZ
ELECTRICAL SWITCH-GEAR WITH FULLY AIR-CONDITIONED ELECTRICAL CABINET
SELF-CONTAINED COOLANT SYSTEM W/MAGNETIC CHIP CONVEYOR

PRINCIPAL SPECIFICATIONS:
MAXIMUM DIAMETER EXTERNAL GEAR (PD)       50" (1270MM)
MINIMUM DIAMETER EXTERNAL GEAR (ROOT DIAMETER
MINUS DIAMETER OF CUTTER)        7.08" (180MM)
MAXIMUM DIAMETER INTERNAL GEAR (MINIMUM DIA.
MINUS 2X RIM THICKNESS/VERT.LIFT)       51.18" (1300MM)
MINIMUM CENTER DISTANCE WORK-SPINDLE CENTERLINE TO
WORK-TABLE CENTERLINE        3.55" (90MM)
MAX. DIAMETRAL PITCH (SPUR & HELICAL)       2 DP (12.7 MOD)
MAXIMUM FACE WIDTH        8" (203MM)
MAX. HELIX ANGLE (W/PROPER GUIDE & 7"PD CUTTER)       40-DEGREES
WORK INDEX WHEEL DIAMETER        40" (1016MM)
WORK TABLE DIAMETER        44.09" (1120MM)
WORK TABLE SPINDLE BORE DIAMETER       11.2" (280MM)
MAXIMUM LOAD ON WORKTABLE        11,000 LBS (5,000 KG)
MAXIMUM DISTANCE CENTERLINE OF CUTTER SPINDLE
TO CENTERLINE OF WORK SPINDLE       30.9" (785MM)
MINIMUM DISTANCE CENTERLINE OF CUTTER SPINDLE
TO CENTERLINE OF WORK SPINDLE       3.55" (90MM)
MAXIMUM DISTANCE FROM TABLE SURFACE TO TOP OF CUTTER-RAM W/SPINDLE IN MAXIMUM UPPER POSITION (WITH A 150MM, 5.906" RISER)      26.5" (673MM)
MACHINE DIMENSIONS:        96"X147"X215" (2438X3734X5461MM)      
MACHINE NET WEIGHT, APPROX.       30,000 LBS. (13,363 KG)