Gould & Eberhardt 12-72, H & HS, Gear Hobbing , G&E Instructions Manual 1960

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Gould & Eberhardt 12-72, H & HS, Gear Hobbing Machine, G&E Instructions Manual

This Manual Covers Models: 
12-72
H
HS

This Manual Includes:
G & E 1008
Machine Size and Type
Index Ratio
Options Supplied
Genera Instructions
Lifting the Machine
Lubrication
Machine Controls
Precaution Summary
Maximum Safe Hob Speed
Electric Controls
Feed and Traverse Trips
Angular Setting of Swivel Head
How to Install the Hob Arbor
Depth of Cut
Climb Hobbing Upfeed
Setting the Hob
Hob Setting Gage
Hob Speed Change gears
Index Change Gears Feed Change Gears
Mounting the Work
Hobbing Helical Gears – NON-Differentially
Angular Feed Chart
Resetting Device
Hobbing Helical Gears Differentially
Ratio Gears
Infeed Mechanism for Hobbing Wormgears
Feed Off-On Selector Switch
Hobbing Prime Spur Gears
Milling Worms
Estimating Production
Extra Travel – Spur Gears
Selecting Hob Speeds
Diametral Pitch Tooth Sizes
Circular Pitch Tooth Sizes
Module Pitch Tooth Sizes
Center Distance Reduction Chart
Comparative Sizes of Gear Teeth
Machine Adjustments
Location of Serial Number
Maintenance – General:
Tem Rise and Seals
Order Repair Parts and Bearings
How to Remove Index Wormgear and Hob Swivel Head
Variations in Hobbed Gear Sizes
Work Holding Fixtures
Setup and Production Record Form

Basic Operation and Maintenance of G&E This Manual Has  116 Printed Pages.
Year After 1960