Grizzly g0746, g0749 owner manual Setting Power Feed Rate, Leadscrew UP, Dial Selection Lever

Page 56

Setting Power Feed Rate

The feed-rate chart displays the settings for the headstock feed controls for feed rates.

Using the controls on the lathe, follow along with the example below to better understand how to set the lathe for the desired power feed rate.

Setting Power Feed Rate of 0.0077 in./rev.

1.Locate the box on the feed rate chart that lists 0.0077 in./rev., as shown in Figure 76.

Lever & Gear Positions

Feed Rate Chart

F Lever

G Dial

Position

Position

0.0077 in./rev.

 

E Lever

 

Position

Figure 76. 0.0077 in./rev. location on feed chart.

Lever, dial and gear positions.

2.Locate the applicable lever, dial, and gear positions on the chart.

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3.Position the gears in the correct position (refer to Power Feed Configuration on the next page for details).

4.Position the quick change gearbox G Dial at 7, E lever at 2, and the F lever to the left, as shown in Figure 77. If necessary, rock the spindle back and forth to help mesh the gears.

F Lever

 

E Lever

G Dial

Selection

Lever

Figure 77. Quick-change lever and dials

positioned for 0.0077 in./rev.

mm

 

˶

3 2 1

 

 

 

F

 

E

Lever

 

Lever

 

G

 

Leadscrew (UP)

 

 

 

 

7

 

 

6

8

 

 

5

 

9

 

 

 

1

 

4

 

0

 

3

1

 

 

 

1

 

 

2

1

 

 

 

G

 

Feed Rod (DOWN)

 

 

 

Dial

 

Selection Lever

Figure 78. Lever and dial settings for

0.0077 in./rev.

5.Move the leadscrew feed rod selection lever down.

The carriage is now set up for a power feed rate of 0.0077 in./rev.

Model G0746/G0749 (Mfg. Since 3/13)

Image 56 Contents
GEAR-HEAD Lathe Page Table of Contents 113 117Contact Info IntroductionMachine Description Manual Accuracy Identification Master Power Switch Controls ComponentsCarriage TailstockControl Panel Safety Foot Brake End GearsMachine Data Sheet Tailstock Info Construction Model G0749 16 X 40 Heavy Duty Lathe 13-3/4 12.75 qt Safety Safety Instructions for MachineryPage Additional Safety for Metal Lathes Additional Chuck Safety Circuit Requirements for AvailabilityFull-Load Current Rating Correcting Phase Polarity To correct the phase polarity of the incoming power supplyConnection Type Grounding InstructionsSetup Needed for SetupPreparation UnpackingPackaged Components Figure InventoryMain Components Figure Qty Basic steps for removing rust preventative CleanupBefore cleaning, gather the following Site Considerations To lift and move the lathe Lifting & PlacingHEAvy LifT Machine Base Concrete Anchoring to Floor LevelingAnchoring to Concrete Floors Assembly Location of headstock jack screwsLubricating Lathe Power Connection Adding CoolantTo connect lathe to power Test RunTest run consists of verifying To test run your machineEmergency Feed LeverSpindle Break-In Recommended AdjustmentsFactory adjustments that should be verified Operations Operation OverviewTo install the camlock studs Chuck & PlateTo install the chuck Installation Removal DevicesChuck Installation Registration Marks Registration mark locationsTo remove the chuck Chuck RemovalScroll Chuck Clamping Changing Jaw Set To change the jaw setJaw Chuck Mounting WorkpieceDrive Plate FaceplateUsing Quill Installing ToolingTailstock Positioning TailstockOffsetting Tailstock To install tooling in the tailstockRemoving Tooling To offset the tailstockTo align the tailstock to the spindle center- line Aligning Tailstock to Spindle CenterlineItems Needed Qty Centers Dead CentersLive Centers Mounting Dead Center in SpindleRemoving Center from Spindle Mounting Center in TailstockRemoving Center from Tailstock Mounting Workpiece Between CentersTools Needed Qty To install and use the steady restSteady Rest Follow Rest Carriage & Slide LocksTo install a tool in the tool post Compound Rest Four-Way Tool PostTool Needed Qty To set the compound rest at a certain angleAligning Cutting Tool with Spindle Centerline Below are two common methodsTo align the cutting tool with the tailstock center Top View Micrometer Stop Manual Feed Carriage Handwheel Cross Slide HandwheelDetermining Spindle Speed Setting Spindle SpeedSpindle Speed Power Feed Configuration ExamplePower Feed Controls Dial Selection Lever Setting Power Feed RateLeadscrew UP Primary Configuration Secondary ConfigurationAlternate Configuration End GearsEnd-Gear Configuration Example To configure end gears for threading 16 TPITo set levers and dials for 16 TPI ThreadingHeadstock Threading Controls Apron Threading Controls Thread DialThread Dial Chart Thread dial chartPitch Turning Headstock Pitch Turning ControlsFor example To set levers and dials for 1.25 MPLeadscrew UP Coolant System Biological & Poison HazardChip Drawer Chip drawer Model G0746/G0749 Mfg. Since 3/13Accessories G0688-Tool Post GrinderH6095-Digital Readout DRO H7991-Mini Mag Base Indicator SetT10118-Tailstock Digital Readout Schedule MaintenanceCleaning/Protecting Headstock LubricationLubrication Frequency Quick-Change Gearbox To change the headstock oilLongitudinal Leadscrew ApronOne-Shot Oiler Ball Oilers Ball OilersHandling & Care Coolant System Service HazardsAdding Coolant Changing CoolantSee Hazards on To add coolantBringing Lathe Out of Storage Machine StoragePreparing Lathe for Storage Service TroubleshootingSymptom Possible Cause Possible Solution Motor & ElectricalLathe Operation Symptom Possible Cause Possible Solution Cross Slide Backlash AdjustmentCompound Rest Leadscrew End-Play Adjustment Gib AdjustmentTo adjust the cross slide gib Cross Slide GibCompound Slide Gib Saddle GibTo adjust the saddle slide gib BeltsTensioning V-Belts To tension the V-BeltsReplacing V-Belts Brake & Switch Adjusting BrakeGap Removal Gap Insert Removal InstallationReplacing Brake Gap Installation Wiring Wiring Safety InstructionsElectrical Cabinet & Motors Circuit Diagram Control Rod PartsControl Rod & Brake Control Rod & Brake Parts List DescriptionBody G0746-49 Bed & Body Parts List Gears Headstock Gears Parts List DescriptionFeed Direction Control Left Spindle Speed HeadstockControls Headstock Controls Parts List DescriptionChange Quick-Change Gearbox Parts List PR12M EXT Retaining Ring 35MM 100 Model G0746/G0749 Mfg. Since 3/13 Saddle Saddle Parts List Slides REF DescriptionApron 104 Model G0746/G0749 Mfg. Since 3/13Apron Parts List PCAP26M CAP Screw M6-1 X Model G0746/G0749 Mfg. Since 3/13 107 Tailstock Leadscrew Electrical Cabinet 1601 1603 1611 1604 1605 1608 1602 1606 1607 1609 1610Accessories Front Machine Labels Rear Machine Labels Appendix ThreadingDiametral & Modular Pitch Chart Warranty Card CommentsGrizzly INDUSTRIAL, INC BOX BELLINGHAM, WAWarranty & Returns