Description
STOCK# 27918 #20-8 FELLOWS "HYDROSTROKE" VERTICAL GEAR SHAPER New 1982, Serial No. 36651, Model 20-8 Suitable for the cutting of internal/external spur gears, splines, pinions, and other workpieces of similar profile up to 20" (508mm) pitch diameter and 8" 203.2mm) face-width FEATURES / EQUIPMENT: Three-cut capability selectable for 1-cut, 2-cut or 3-cut operations, w/stroking speed, depth feed rate, depth of cut, and rotary feed infinitely variable and preset for each cut High out-put, quick return, infinitely variable stroking drive, with adjustable return ratios as follows: 12 - 500 spm at 2:1 return ratio 12 - 250 spm at 3:1 return ratio 12 - 250 spm at 4:1 return ratio Rapid traverse of upright 75"(1900mm) per minute Adjustable bidirectional cutter spindle back-off for internal or external gears Automatic cutter positioning at top of stroke Crowning and taper capability Remote controlled stroke positioning attachment (automatic or manual) cutter spindle elevating, within the stroke length capacity Complete "hydrostroke" hydraulic power & control unit Complete floor mounted electrical control enclosure with operator control panel/station Constant pressurized lubrication to all working elements Work spindle rapid rotation drive for truing work Machine sub-base raised 6" (150mm) Mechanical straight spur guide for cutter spindle or adding any hydraulic equipment) Work table face-plate Work area enclosure-fence with safety interlock Cutter spindle adaptor w/extension and spur shaper cutter Assortment of change gears Chip basket Full complement of electrics (motors/controls) (presently arranged for 440 volt 60-cycle) Guards, covers, misc. Wrenches, spanners, operator tools PRINCIPAL SPECIFICATIONS: Max diameter external gear (PD) .................. 20" (508mm) Max diameter internal gear (Min dia. minus 2X rim thickness/vert.lift) ................. 20" (508mm) Max diametral pitch (spur & helical) .............. 2 DP (12.7 Mod) Max face width .................................... 8" (203mm) Max. helix angle (w/proper guide & 7"PD cutter) .................... 40-degrees Max diameter swing ................................ 27" (686mm) Work table spindle bore diameter .................. 9.05" (230mm) Max load of table (workpiece weight) .............. 2,000 lbs. Max distance centerline of cutter spindle to centerline of work spindle ..................... 16.14" (410mm) Min distance centerline of cutter spindle to centerline of work spindle ..................... 0" (0mm) Max distance from table surface to top of cutter-ram w/spindle in Max upper position ................................ 21" (533.4mm) Stroking & back-off motor ......................... 2 HP/3000 rpm Rotary feed motor ................................. 2 HP/3000 rpm Pump motor for hydrostatic worktable .............. 1/6HP/1725 rpm Integral coolant pump motor ....................... 3/4HP/3600 rpm Oil circulator pump motor ......................... 1/2HP/3600 rpm Machine overall length ............................ 147" (3700mm) Machine overall depth ............................. 68" (1700mm) Machine overall height (w/150mm sub-base) ......... 101" (2600mm) Machine approx. net weight ........................ 18,000 lbs.(8182kG) PRICE: FOB OUR WAREHO-- USE Monthly Payments Starting At: .............. $1,392.00
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