Gear Works, Inc.

6A type gear Shaper

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6A type Rebuild Details

Including, 61A, 615A, 625A, 645A, and 645A3

Inclusive of, but not limited to:

• Complete disassembly of machine.
• Hot tank castings to remove all paint and filler.
• Prime and paint with Sherwin Williams Polane polyurethane machine tool paint of customer’s color choice.
• Replace all ball, roller, and thrust bearings.
• Replace relieving arm, bell crank, saddle and cutter spindle bushings.
• Hard chrome and grind pivot pins as necessary.
• Hard chrome and grind work spindle as necessary.
• Hard chrome and grind cutter spindle as necessary.
• Hard chrome and grind apron quill as necessary.
• Hard chrome and grind cutter slide as necessary.
• Hard chrome and grind slide shoe as necessary.
• Hard chrome and grind stroke rack as necessary.
• Hard chrome and grind rack screw as necessary.
• Weld, hard chrome and grind rock shaft as necessary.
• Refurbish rock shaft yoke as necessary.
• Refurbish saddle surface that locates cutter slide as necessary.
• Scrape and refit guide assembly.
• Scrape for alignment, bed ways and saddle.
• Scrape for alignment, 4-point contact.
• Scrape for fit, saddle gib.
• Scrape for fit, cutter slide gib.
• Scrape for contact, upper worm wheel thrust surface.
• Scrape for contact, lower worm wheel thrust ring.
• Scrape for contact, quill rub pad.
• Scrape for contact, quill to spindle thrust surface.
• Inspect and replace stroking pinion gear to correct backlash as necessary.
• Inspect and replace main drive gear as necessary.
• Inspect and replace main drive pinion as necessary.
• Inspect and replace apron relieving cams as necessary.
• Inspect and replace cam followers as necessary.
• Replace back-off angle block.
• Replace all lube lines and oil wicks.
• Anti friction coat upper and lower worms.
• Set upper and lower worm thrust bearing preload.
• Set upper and lower worm wheel backlash.
• Set upper worm wheel thrust.
• Set work spindle thrust.
• Set 4-point contact.
• Set apron relieving arm sector gear backlash.
• Overhaul infeed and timing control mechanism.
• Overhaul cutting oil pump with new bushings and tool steel shafts.
• Overhaul engagement clutch.
• Install Allen Bradley IEC combination motor starter.
• Install new, oil tight push button station
• Install all new wiring.
• Install new high efficiency drive motor.
• Install new drive belts.

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