Southbend SB1038 Leadscrew End Play Adjustment, Gib Adjustment, To remove leadscrew end play

Page 68

EVS Toolroom Lathes

S E R V I C E

For Machines Mfg. Since 7/09

Leadscrew End Play Adjustment

After a long period of time, you may find that the leadscrew develops a small amount of end play. This lathe is designed so that leadscrew end play can be easily removed with adjustment.

Tools Needed:

Qty

Open End Wrench 1"

............................................ 1

Hex Wrench 3mm

1

Hex Wrench 5mm

1

To remove leadscrew end play:

1.DISCONNECT LATHE FROM POWER!

2.Remove the three cap screws and end cover.

3.Loosen both retaining nut set screws shown in Figure 127.

Leadscrew

Retainer

Nut with Set

Screws

Figure 127. Leadscrew end play adjustment.

4.Engage the half nut lever.

5.Rotate the carriage feed handwheel back slightly and tighten the retaining nut at the same until the end play is removed.

6.Tighten both set screws and re-install the cover.

Gib Adjustment

The goal of adjusting the cross slide, tailstock, saddle, and compound gib screws is to remove sloppiness in the ways without over-adjusting them to the point where the slides become stiff and difficult to move.

In general, loose gibs cause poor finishes and tool chatter; however, over-tightened gibs cause premature wear on the slide, leadscrew, and nut, and are difficult to operate.

The gibs are tapered and held in position by a screw at each end. To adjust the gib, turn one screw a 1⁄4 turn clockwise and the other screw a 1⁄4 turn counterclockwise, so both screws move toward the same direction. Now test the feel of the sliding component by turning the handwheel, and adjust the gib screws as necessary to make it tighter or looser.

The gib adjustment process usually requires some trial-and-error. Repeat the adjustment process as necessary until you find the best balance between loose and stiff movement. Most machinists find that the ideal gib adjustment is one where a small amount of drag or resistance is present yet the handwheels are still easy to move.

Figures 128–131show the location of the screws for each gib on this machine.

Compound

Front Gib

Cross

Screw

Slide

Front

Gib

Screw

Figure 128. One of two cross slide and compound gib

screws.

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Contents 14 & 16 EVS Toolroom Lathes Updates Customer ServiceScope of Manual Manual FeedbackTable of Contents Accessories Features About These MachinesForeword CapabilitiesIdentification Trained/Supervised Operators Only Basic Machine SafetyUnderstanding Risks of Machinery F E T Y Additional Metal Lathe Safety Preparation Overview Things Youll NeedUnpacking Typical preparation process is as followsTool Box Inventory Figure Qty InventoryMain Inventory 1 Figure Qty Basic steps for removing rust preventative Cleaning & ProtectingBefore cleaning, gather the following Location To lift and move your lathe Cross-Section View of Lifting SetupLifting & Moving Leveling & Mounting LevelingBolting to Concrete Floors AssemblyLubricating Lathe Power Connection Adding Cutting FluidTo connect power cord to the lathe Connecting Power Cord to LatheHardwiring Lathe to Power Source Correcting Out-of-Phase Wiring To correct wiring that is out of phaseTest Run To test run your machineControl panel-test run Spindle ON/OFF lever-setup E P a R a T I O N Spindle Break-In To complete the spindle break-inRecommended Adjustments Factory adjustments that should be verifiedOperation Overview Carriage Controls Main Power SwitchHeadstock Controls Control Panel Control panelTailstock Controls Foot Brake Tailstock controlsRemoving Chuck or Faceplate Items Needed QtyMounting Chuck or Faceplate To mount a chuck or faceplateInstalling and Adjusting Camlock Studs Tool Needed QtyJaw Chuck Correct camlock stud alignmentChanging Jaws Mounting WorkpieceItem Needed Qty To change the jawTailstock To mount a workpiece on the 4-jaw chuckUsing Quill Installing ToolingTo install tooling in the tailstock Moving Along BedwayTo align the tailstock offset to the spindle center line OffsettingAligning Looking down from above Move tailstock toward Mounting Workpiece Between Centers FaceplateMounting Workpiece with Clamps Centers Mounting Dead Center in SpindleDead Centers Live CentersRemoving Center from Spindle Mounting Center in TailstockRemoving Center from Tailstock To mount a center in the tailstockFollow Rest To install and use the steady restSteady Rest Compound Slide Four-Way Tool PostTo load the tool post To set the compound slide at a certain angleAligning Cutting Tool with Tailstock Center Tools Needed QtyTo align the cutting tool with the tailstock CenterCarriage Stop Adjustable Apron Stop SystemTo adjust the carriage stop Manual Feed Spindle SpeedPower Feed Setting Spindle SpeedTo use the quick change feed direction knob Power Feed ControlsTo engage the power feed Mod. D.P Understanding Thread & Feed Rate ChartPositioning Gearbox Levers End Gear Setup Normal PositionAlternate Position Configuring End GearsPower Feed Lever Thread Dial & Chart OverviewThreading Controls Half Nut LeverUsing Thread Dial and Chart TPI 4-72 Divisible ByTPI 2-54 Not Divisible By Odd Numbered TPI27⁄8 TPI Chip DrawerOther Fractional TPI Cutting Fluid System To use the cutting fluid system on your latheAccessories High-Precision 3-Jaw Scroll ChucksSBL Gearhead T-Shirt SBL One Good Turn T-Shirt SB1247-MT4 Bull Nose CenterSB1279-10 Pc. Precision 5-C Collet Set Maintenance Schedule CleaningAnnual Service Monitoring Oil Temperature LubricationHeadstock Checking & Adding OilCleaning Pump System & Changing Oil To clean the oil pump systemChanging Oil GearboxApron Lead Screw & Feedrod Bearings Lead ScrewWays & Slides Unpainted & Machined SurfacesBall Oilers Cleaning Electrical Box FilterTo clean the filter Annual Maintenance End GearingHandling & Care LubricatingHazards Adding FluidChanging Cutting Fluid To change the cutting fluidMachine Storage To prepare your machine for short-term storage up to a yearCross Slide Leadscrew Backlash AdjustmentCompound Leadscrew To remove leadscrew end play Leadscrew End Play AdjustmentGib Adjustment Half Nut Adjustment To adjust the half nutFeedrod Clutch Adjustment To adjust the clutch release pointBrake & Switch To adjust the V-beltsTo adjust the brake and brake switch BeltsRe-install the pedal stop, tightening it Leadscrew Shear Pin Replacement To replace the shear pinRe-install the access covers To remove the gap Gap Removal InstallationTo re-install the gap TR O U B L E S H O OTI N G TR O U B L E S H O OTI N G TR O U B L E S H O OTI N G Warranty Southbendlathe.com
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The Southbend SB1012 is a versatile and efficient commercial range designed specifically for the rigorous demands of professional kitchens. This powerful cooking appliance features a robust construction and advanced technologies that cater to chefs who require precision and reliability in their culinary endeavors.

One of the standout features of the SB1012 is its powerful burners, which come equipped with heavy-duty cast-iron grates. The range typically includes four open burners that deliver exceptional heat output. This allows chefs to achieve quick boiling, searing, and simmering, thereby ensuring perfect cooking results every time. The burners are designed to provide consistent heat distribution, reducing the chance of hot spots and uneven cooking.

The Southbend SB1012 also incorporates a 12-inch griddle, adding another layer of versatility to its functionality. The griddle is constructed from high-quality materials that provide even heat and withstand high temperatures, making it suitable for cooking everything from pancakes to stir-fried dishes. The grease trough and easy-to-clean design contribute to the overall efficiency of the kitchen.

In addition to its cooking surfaces, the SB1012 features a spacious oven compartment, designed to accommodate larger pans and dishes. With a temperature range that typically goes up to 500 degrees Fahrenheit, the oven is ideal for baking, roasting, and other cooking techniques that require precise temperature control. The inclusion of a built-in temperature gauge helps chefs monitor cooking conditions at a glance.

Durability is a hallmark of the Southbend SB1012. The range is constructed from heavy-duty stainless steel, which not only enhances its aesthetic appeal but also ensures resistance to wear and tear in a busy kitchen environment. The removable ovens and easy-access components facilitate straightforward cleaning and maintenance, ensuring the equipment remains in peak condition even after extensive use.

To further improve user experience, the Southbend SB1012 is designed with safety features in mind. The range often includes pilot lights for easy ignition, and the heavy-duty construction minimizes the risk of accidental damage.

In summary, the Southbend SB1012 combines powerful cooking performance with durable construction and ease of use, making it a preferred choice for professional kitchens looking to optimize their cooking capabilities. Its advanced features, versatility, and reliability are tailored to meet the high standards of culinary professionals.
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