Manuals / Grizzly / Power Tools / Lathe

Grizzly G4791 owner manual Steady Rest, To use the steady rest, 8aVbeHdZ, HiZVYnGZhi=ZVY

Models: G4791

1 96

Download 96 pages 6.55 Kb

Page 41

Steady Rest

I]ZhiZVYngZhi^hjhZY[dgi]ZhVbZgZVhdchVh i]Z[daadlgZhiVcYl]Zchjeedgi^hcZZYZY[dgV ldg`e^ZXZ i]Vi XVccdi WZ hjeedgiZY Wn V XZciZg ^ci]ZiV^ahidX`#I]^h^hZheZX^VaanjhZ[jal]Zci]Z ZcYd[Vadc\ldg`e^ZXZ^hidWZ[VXZY#

Tools NeededQty

=ZmLgZcX]-bb############################################## &

To use the steady rest:

1. GZbdkZi]ZXVehXgZlVcYXaVbeh]dZ[gdb i]ZhiZVYngZhiWVhZhZZFigure 47!eaVXZ i]ZhiZVYngZhidci]ZWZYlVn!i]ZcgZ"^chiVaa i]ZXaVbeh]dZidhZXjgZ^i^ceaVXZ#

>[i]ZZcYd[i]Zldg`e^ZXZ^hidWZ[VXZY! eaVXZi]ZhiZVYngZhidci]ZaZ[ih^YZd[i]Z XVgg^V\Z#

8aVbeH]dZ

Figure 47.>chiVaa^c\hiZVYngZhiXaVbeh]dZ#

2. AddhZc i]Z `cjgaZY i]jbW hXgZlh [dg ZVX] WgVhh[^c\Zg!i]Zcijgci]ZVY_jhibZci`cdWh XdjciZgXadX`l^hZidVaadleaZcind[XaZVgVcXZ [dgi]Zldg`e^ZXZ#

<),.&&'m(.AVg\Z8dbWdAVi]Z$B^aa

3. AddhZc i]Z ]ZVY adX`! gdiViZ ^i Ydlc! i]Zc e^kdii]ZhiZVYngZhi]ZVYjeVcYdjid[i]Z lVnhZZFigure 48#

HiZVYnGZhi=ZVY

=ZVY AdX`

Figure 48.Edh^i^dc^c\i]Zldg`e^ZXZ^cidi]Z

hiZVYngZhi#

4. AjWg^XViZ i]Z WgVhh [^c\Zgh l^i] Vci^"h^ZoZ \gZVhZ!i]ZcadVYi]Zldg`e^ZXZ^ci]ZX]jX` VcYdcidi]ZhiZVYngZhi[^c\Zgh#

5. 8adhZVcYhZXjgZi]ZhiZVYngZhi]ZVY#

6. 6Y_jhii]ZWgVhh[^c\Zghjci^ai]Zna^\]ianidjX] i]Zldg`e^ZXZ!i]Zci^\]iZci]Zi]jbWhXgZlh idhZXjgZi]ZhZii^c\h#

Note: See the Tip on Page 38 for a method to further minimize deflection during steady rest setup.

"(."

Image 41

Grizzly G4791 Steady Rest, To use the steady rest, 8aVbeHdZ, HiZVYnGZhi=ZVY, 8adhZVcYhZXjgZiZhiZVYngZhiZVY#

Contents

Model G4791 Ss ,EAD from Leadbased PAINTS Table of Contents Foreword Functional Overview IntroductionContact Info &m.AVg\Z8dbWdAViZ$BaaIdentification Machine Data Sheet Lathe Other Specifications BVXcZgn cdhZ XVc XVjhZ eZgbVcZci ZVgc\adhh# !,7!93 53%3 %!2.2 02/4%#4/ %. /0%2!4.! -!#.%29 !,7!93 ,/#+ -/,% !3%33 & 53%$ % %&/2% /0%2!4. -!#.%29# 53%3!!2/5.$%$ %84%.3/..#/2$ 2!4%$4&/2/4%-!#.%!-0%2!%2Additional Safety Instructions For Mills Eliminating a Projectile Hazard Additional Safety Instructions for Lathes220V Operation Circuit RequirementsSetup Safety SetupItems Needed for Setup Unpacking7dai7V\dg8ZciZgEVcZa!cdihdlc InventoryInventory Figures Qty Placement Location Clean UpSite Considerations Floor LoadmHjeedgi Placement AssemblyBolting to Concrete Floors Mounting to Shop Floord XVWcZihiVcYhVcYiZaddg#Check Gearbox Oil Using Machine MountsTest Run To test run the machine11. EgZhh iZ bVc edlZg BGC8N hide Wjiidcc# CZjigVa 9hZc\V\ZYFactory adjustments that should be verified Recommended AdjustmentsSpindle Break-In 9H8DCC8IB68=CGDBEDLGMill Operations Operation SafetyBasic Mill Controls Mill HeadCarriage Main Power on Button cVWaZh edlZg id adlidiZbVXcZ#Coarse Downfeed Lever GVhZh dg adlZgh iZhecYaZfjX`an# Carriage Handwheel BdkZh iZ XVggV\Z aZidgg\i#Head Movement Table MovementRotating the Mill Head Elevating the Mill HeadConfiguring Mill V-Belts Setting Mill SpeedCalculating Mill Spindle Speed Cutting Speeds for High Speed Steel HSS Cutting ToolsExample with HSS Cutting Tool Loading & Unloading Mill Tooling Quill DownfeedLoading Tooling With Drawbar To use the downfeed controlsUnloading Tooling With the Drift Key Unloading Tooling With the Drawbar 9H8DCC8IB68=CGDBEDLG JcigZVYiZYgVlWVg¶ijgch# Va\cZY#Basic Lathe Controls Lathe OperationsLathe Head Spindle Back Plate Bdjcih XjX`h VcYMain Power Emergency Button Ijgch Main Power on Button IjgchedlZgONid iZbVXcZ#Tailstock CdiYhXdccZXiiZbVXcZgdbedlZg#AjbWZg# Mounting/Removing Chuck or FaceplateMounting a Chuck or Faceplate CiZgcVa?Vl Jaw ChuckMiZgcVa?Vl VlXjX`#Removing Jaws from 3-Jaw Chuck Mounting Workpiece in 3-Jaw ChuckTools Needed Qty iZ ldg`eZXZ h XZciZgZY! jaan i\iZc iZVlh#HXgdaaZVg AZVYIgZVY Installing Jaws into 3-Jaw Chuck GZeZVi Steps 4-5 dg Vl VcY c hZfjZcXZ# ™ IZVlhbjhiWZadVYZYchZfjZcXZWZ\c cc\liVl&#To mount a workpiece to the faceplate FaceplateVa\cZYhZZ dgVcZmVbeaZ# 9ZVY8ZciZg AViZ9d\ Using a Dead Center in the SpindleCenters Using a Dead Center in the Tailstock Offsetting TailstockTo set the tailstock offset 39#To align the tailstock Aligning TailstockVbdjcidVXXjgVXnhVXZkZY# Drilling with TailstockIjbW Follow RestHXgZl 7gVhhc\Zg 8jiiZgTo use the steady rest Steady Rest8aVbeHdZ HiZVYnGZhi=ZVYCompound Slide Handwheel Dial Increments ResolutionCarriage Cross Slide Table 8VeHXgZl AdX` AZkZg Iddah Tool PostTo load and use the 4-way tool post GZeZVi dgiZgZbVcc\iddah#Calculating Correct Spindle Speed Setting Lathe SpeedTo configure the lathe V-belts Configuring Lathe V-BeltsIZchdcc\hegc\# HecYaZEjaaZnCExample Setting Feed RateXVc\Z\ZVgh# Idc#ZZYgViZgVc\ZaZkZg# Feed Rate Change LeverChange Gear a Configure Change GearsTo configure the change gears Change Gear D Example of Setting Feed RateChange Gear B or C Thread Dial Threading ControlsHalf-Nut Lever DgVcY VcY¿ VaaeVhhZh#G1070-MT3 Live Center Set AccessoriesG1076-52-PC. Clamping Kit, 1⁄2 T-Nut H7540-Metalworking Kit No Wjicdihdlc#H2987-½ Bent Lathe Dog H2677-6 Precision Rotary Table H6879-Lathe Operation & Maintenance BookSchedule MaintenanceCleaning Protecting Lubrication Daily Lubrication ProceduresBaaXdajbcVcYaZVYhXgZl# BaaFjaa AZVYhXgZlYgkZhViWVaadaZgh#To check and add oil to the reservoir Checking/Adding Lathe Gearbox Oil ReservoirLubricant Frequency Qty Semi-Annual Lubrication To perform the semi-annual procedureAaEaj\ 9gVcEaj\ GZbdkZiZaaeaj\# GZbdkZiZbaaYgkZhnhiZbXdkZg# 7ZkZaZVg cY8VeYjgZhZZ # AdX`HXgZlTo change the oil in the reservoir Changing Lathe Gearbox OilLathe V-Belt Tensioning To adjust the motor V-belt tension=ZmCjih 6YjhibZci7dai EjaaZn 9ZaZXidcTroubleshooting ServiceMotor & Electrical Hnbeidb EdhhWaZ8VjhZ EdhhWaZHdajidc# Lgdc\hoZXdaaZi# # JhZXdggZXiXdaaZidghVc`YVbZiZg# Mill Operation42# Lathe OperationsTo adjust the saddle and table gibs Adjusting GibsTo adjust the compound gib Saddle and Table GibsTo adjust the tailstock gib Adjusting Table BacklashTo adjust the table backlash Tailstock GibReplacing Shear Pins Adjusting Half-NutTo adjust the half-nut HZVgEch 8dccZXic\8daaVgLathe Bearing Preload To adjust the lathe spindle bearing preloadhZZ # AdX` HeVccZgCji LVhZg IVc\9VacYXVidghZije# chiVaa iZ Vl XjX` VcY i\iZc iZ Vlh cidiZXZciZg# HeVccZg Cji$&+Electrical Safety Instructions WiringWiring Overview Plug Electrical Component Wiring DiagramsMain Power Switch 72 72Mill Head Breakdown Description Mill Head Parts ListDownfeed Breakdown Capacitor Cover Mill Motor BreakdownTailstock Breakdown 8dbWdAViZ$Baa Bed BreakdownBed Parts List Change Gear 20T Lathe Head Breakdown Lathe Head Parts List Change Gear Box Breakdown Lathe Motor Breakdown Follow Rest Breakdown Steady Rest BreakdownCompound Slide Breakdown Accessories Breakdown Label Placement Page TTTT 8VgY9ZX` Tttt LZWhiZ TTTT DiZg =dlYYndjaZVgcVWdjijh4 TTTT 6YkZgihZbZci Tttt gZcY8VWcZiBV`Zg IdYVn»h=dbZdlcZg$5342!, .# 0/ /8 %,,.!- 7! EaVXZ HiVbe =ZgZ22!.49 !.$ 2%452.3 #ALL 4ODAYD&ORO! &2%%