GLEASON 641 G-PLETE – Year 1982
Hypoid Spiral Bevel Gear Generator

Model No. 641 GLEASON “G-Plete” Hypoid #27262
Spiral Bevel Gear Generating Machine
Serial No. 783710 (New in 1982)

PRINCIPAL SPECIFICATIONS:
Extreme ratio…………………….. 10:1
Root angle range………………….. -8° to 90°
Gear diameter – maximum……………. 16.000″ (406.40mm)
Examples of max. gear pitch diameters with 35″
gear spiral angle and max. cutter diameter (+)
at the following ratios : (using 12″ cutters)
1 x 1……………………………. 13.500″ (342.90mm)
2 x 1……………………………. 16.000″ (406.40mm)
5 x 1……………………………. 16.000″ (406.40mm)
Maximum radial setting…………….. 6.983″ (177.40mm)
Diametral pitch – coarsest…………. 2.0 DP (12.70 MOD)
Full depth – maximum………………. 1.000″ (25.40mm)
Face width – maximum………………. 2.600″ (66.00mm)
Index range………………………. 5 to 10 inclusive
Work-spindle diameter of taper hole
at large end……………………… 3-29/32″ (99.22mm)
Taper per foot……………………. 39/64″ (15.48mm)
Depth of taper……………………. 6″ (152.40mm)
Diameter of hole through spindle……. 3.0625″(77.79mm)
Cutter diameter(s) utilized………… 2.75″, 3.75″, 4.5″
Cutter diameter(s) utilized………… (100,125,160,200,
Cutter diameter(s) utilized………… 250,300 mm)
Cutter diameter(s) utilized………… 6″,7.5″,9″,10.5″,12″
Cutter speeds…………………….. 15 – 250 rpm
Cycle time, inf var, min, from……… 4.5 seconds/tooth
WORKHEAD SETTINGS
Offset above centre – maximum………. 2.25″ (57.15mm)
Offset below centre – maximum………. 2.25″ (57.15mm)
Machine centre to nose of
spindle – maximum…………………. 14.50″ (368.30mm)
ELECTRICAL EQUIPMENT………………. 60 Hz
Cutter drive motor (10/5 HP)……….. 1800/900 rpm
Hydraulic motor (3 HP)…………….. 1200 rpm
Coolant motor (1.5 HP)…………….. 900 rpm
ELECTRICAL EQUIPMENT………………. (50 Hz)
Cutter drive motor (10/5 HP)……….. (1500/750 rpm)
Hydraulic motor (5 HP)…………….. (1500 rpm)
Coolant motor (2 HP)………………. (1000 rpm)
D.C. generating drive motor (6 HP) 1200 rpm(1200 rpm)
DIMENSIONS / WEIGHT:
Machine with Programmable Controller
Floor space (inclusive of hyd unit,…. 131″ x 85″
elect panel & chip removal system)….. (333 x 216cm)
Height…………………………… 83″ (211cm)
Net weight……………………….. 27,100 lbs(12,292kG)
Shipping weight
boxed for export, approx)………….. 29,600 lbs(13,426 kG)
Size of case……………………… 144 x 97 x 91″
Size of case……………………… (366 x 246 x 231cm)
Shipping weight (boxed for export, approx)
Machine………………………….. 26,700 lbs(12,111 kG)
Control box, parts, etc……………. 5,000 lbs (2,268 kG)
Size of case
Machine………………………….. 110 x 112 x 90″
Machine………………………….. (279 x 284 x 229cm)
Control box, parts, etc……………. 120 x 60 x 90″
Control box, parts, etc……………. (305 x 152 x 229cm)

Suitable for the “completing” of spiral bevel, hypoid,
and Zerol bevel gears and pinions up to 16″ (406.4mm)
diameter, 2.6″ (66mm) face-width, with 2 DP
(module 12.7) cutting capability

FEATURES / EQUIPMENT:
Hydraulic chucking attachment less/draw-rod & nut
One set of ratio-of-roll, cutter speed and index
change gears for one part
Arrangement for formate, including controls for
completing, roughing & finishing
Plunge feed mechanism
Modified roll mechanism
Variable rate-of-roll arrangement
Double-roll arrangement
Ratio control mechanism
Full complement of electrics (motors/controls)
with allen bradley slc-500 plc controller
(cat no. 1746-p2) cpu-slc 5/03cpu
Coolant system, pump tank & piping
Automatic chip separator, including automatic chip
wiper system and auger-type chip conveyor