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Grizzly G0492 owner manual Cutting Speed x Diameter of Cut, = Rpm

Models: G0492

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2.Determine the average final diameter of the workpiece in inches, for the cut to be made.

3.Now use the following formula to determine the closest RPM for the cutting operation:

Note: You may need to rotate the chuck by hand to get the gears to engage.

RPM Lever

(Cutting Speed x 4)

Diameter of Cut

= RPM

4.With the calculated RPM, decide on the clos- est cutting RPM to what you need.

5.Make sure the spindle is completely stopped before proceeding.

6.Move the levers (Figure 32) to get the RPM range that is closest to your calculated RPM:

—The range lever selects BLACK DOT = High or RED DOT = Low.

—The RPM Lever selects the RPM within that range.

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Range

Lever

RPM/Range Chart

Figure 32. Spindle speed selector levers.

G0492 12" X 36" Combo Lathe/Mill

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Grizzly G0492 owner manual Cutting Speed x Diameter of Cut, = Rpm

Contents

OWNERS MANUAL MODEL G0492 12 X 36 COMBO LATHE/MILLPage SECTION 3 SET UP Table of ContentsSECTION 1 SAFETY SECTION 6 MAINTENANCEWARRANTY AND RETURNS SECTION 7 SERVICESECTION 8 ACCESSORIES SECTION 9 PARTSINTRODUCTION ForewordContact Info Product Dimensions MACHINE DATA SHEETMachine Data Sheet Shipping DimensionsLathe Information Other SpecificationsFeatures Mill InformationIdentification G0492 12 X 36 Combo Lathe/Mill G0492 12 X 36 Combo Lathe/Mill Additional Safety Instructions for Lathe/Mills Glossary of Terms Amperage Draw 220V Single-PhaseSECTION 2 CIRCUIT REQUIREMENTS Circuit RequirementsUnpacking and Lifting SECTION 3 SET UPSet Up Safety To unpack and move the lathe/millInventory Installed Accessories FigurePackaged Accessories Figure 4-Way Tool Post and Compound RestSite Considerations Clean UpPlacement Location Floor LoadSECTION 4 LATHE OPERATIONS Operation SafetyThe Power Supply Loose hair and cloth ing could get caught in machinery and cause seriTo begin the test run & break-in procedure Test Run & Break-InTo remove and install the chuck or face plate Mounting the Chuck and the FaceplateReplacing the Jaws Note The chuck need not be removed from the spindle to swap the jawsTo remove a set of jaws Using the Four-Jaw Chuck To install the four-jaw chuckTo load a workpiece in the four-jaw chuck To load a workpiece Using the FaceplateTo install the faceplate Make sure your clamping application will not failDrilling with the Tailstock Using the TailstockTo install the MT#3 drill chuck To use the tailstockAligning Tailstock To setup the tailstock to cut tapersCutting Shallow Tapers with Tailstock To align the tailstock5. Place the live center in the tailstock Figure 22. Tailstock adjustment option #1Figure 23. Tailstock adjustment option #2 7. Turn approximately 0.010 off the diameterTo install the MT#5 dead center in the spin- dle Using the Steady Rest Using the Follow RestTo use the steady rest Using the Compound Rest Using the Tool PostTo set the angular position Longitudinal Handwheel Using the Manual Feed HandwheelsSetting the Spindle RPM Cross Slide HandwheelCutting Speed x Diameter of Cut = RPMNote All change gears are stamped with the number of teeth they have Setting the Power Feed RateTo set and engage the power feed M N ASetup for Threading To setup for threadingNote All change gears are stamped with the number of teeth they have Change Gear Chart G0492 12 X 36 Combo Lathe/MillTo begin the start up procedure SECTION 5 MILL OPERATIONSTest Run & Break-In Cross Slide Using the Mill TablePositioning the Headstock Longitudinal Feed ControlRemoving Cutters Installing CuttersTo install a cutter in the spindle To remove a cutter from the spindleCutting Speeds for High Speed Steel HSS cutting tools Using the MillTo determine and set the mill to the needed cutting RPM To use the quillGeneral Cleaning SECTION 6 MAINTENANCEBasic Maintenance General LubricationBelt Adjustment or Replacement To replace or adjust the V-beltsSECTION 7 SERVICE Cross Slide Backlash AdjustmentGib Adjustments Electrical Component and Connection Index See FigureFigure 60. Contactor wiring KM2 and KM3 Electrical ConnectionsFigure 58. Contactor wiring KM1 Figure 59. Junction block wiring Figure 61. Contactor wiring KM2 and KM3Electrical Connections Figure 66. Mill power switch Figure 69. Lathe motor direction limitswitches Figure 64. Motor connection Figure 65. Start capacitorFigure 71. Lathe control panel wiring 220V Wiring DiagramEmergency Stop Switch Power Lamp Jog Button Figure 70. Lathe controls Electrical ConnectionsTroubleshooting Motor & ElectricalOperation and Work Results TroubleshootingOperation and Work Results Continued TroubleshootingSECTION 8 ACCESSORIES H2689-R8 Quick Change Collet SetH4959-Coolant Dispenser Electrical Box 0000 Series Parts ListSECTION 9 PARTS 0000 Series PartsLathe Change Gear Housing Diagram 1000 Series Parts G0492 12 X 36 Combo Lathe/MillDESCRIPTION 1000 Series Parts ListPART # PART #Leadscrew Gearbox Diagram 2700 Series Parts G0492 12 XCombo Lathe/Mill DESCRIPTION 2700 Series Parts ListPART # PART #Thread Dial Diagram 3000 Series PartsDESCRIPTION 3000 Series Parts ListPART # PART #Compound Rest and Tool Post Diagram 3500 Series PartsDESCRIPTION 3500 Series Parts ListPART # PART #G0492 Bed 4000 SeriesParts X 36 Combo Lathe/MillDESCRIPTION 4000 Series Parts ListPART # PART #Steady Rest and Follow Rest Diagram 4500 Series PartsDESCRIPTION 4500 Series Parts ListPART # PART #Tailstock Diagram 5700 Series PartsDESCRIPTION 5700 Series Parts ListPART # PART #Apron Diagram 6000 Series PartsDESCRIPTION 6000 Series Parts ListPART # PART #Headstock Diagram 7500 Series PartsDESCRIPTION 7500 Series Parts ListPART # PART #Mill Column Diagram 8000 Series PartsDESCRIPTION 8000 Series Parts ListPART # PART #Accessories and Labels Diagram 9000 Series PartsDESCRIPTION 9000 Series Parts ListPART # PART #WARRANTY AND RETURNS G0492 12 X 36 Combo Lathe/Mill Page