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®

A Tradition of Excellence

South Bend Tools

© 

December

, 2021 by South Bend Tools 

For Machines Mfd. Since 07/19 (V1.12.21)

BIG BORE LATHE

MODEL SB1065F 34" X 72"

MODEL SB1069F 38" X 212"

MODEL SB1066F 34" X 132"

MODEL SB1070F 42" X 132"

MODEL SB1067F 34" X 212"

MODEL SB1071F 42" X 212"

MODEL SB1068F 38" X 132"

OWNER'S MANUAL

Model SB1065F 

Shown with Optional 

Accessories

Summary of Contents for Oil Country Series

Page 1: ...s For Machines Mfd Since 07 19 V1 12 21 BIG BORE LATHE MODEL SB1065F 34 X 72 MODEL SB1069F 38 X 212 MODEL SB1066F 34 X 132 MODEL SB1070F 42 X 132 MODEL SB1067F 34 X 212 MODEL SB1071F 42 X 212 MODEL SB...

Page 2: ...on is a process that happens through training and experience If you are not an experienced operator of this type of machinery read through this entire manual then learn more from an experienced operat...

Page 3: ...ts 26 OPERATION 27 Operation Overview 27 Tailstock 28 Chucks Faceplates 29 Steady Rest 29 Spindle Speed 30 Manual Feed 31 Quick Traverse 32 Power Feed 33 Four Position Apron 38 Coolant System 38 ACCES...

Page 4: ...outside spindle noses for mounting chucks on both sides of the headstock these lathes can handle monster sized workpieces such as large diameter oil pipes or hydraulic cylinders They are exquisitely...

Page 5: ...rbox Feed Controls T Headstock Spindle Controls A Outboard A2 15 Spindle Chuck Optional B Tool Tray C Sliding Chuck Guard w Safety Switch D Inboard A2 15 Spindle Chuck Optional E Coolant Nozzle Valve...

Page 6: ...levers Figure 2 Headstock controls Figure 2 Headstock controls A A B B C C D D E E F F Refer to Figures 1 11 and the following descriptions to become familiar with the features and basic controls of...

Page 7: ...turned to the EMERGENCY STOP buttons bypass all selections to automatically apply electric brake in Instant Brake Mode The three brake modes are as follows ABS Brake Mode When in this mode Spindle Swi...

Page 8: ...lockwise or counterclockwise spindle rotation G Spindle ON Button Turns lathe spindle ON and glows green when power is applied H EMERGENCY STOP Button Stops all machine functions Twist clockwise to re...

Page 9: ...erse system with apron H 4 Position Apron Stop Contacts adjustable apron stop lobes and disengages apron from feeding operations Carriage E E Figure 7 Apron controls Figure 7 Apron controls B B A A C...

Page 10: ...to move Figure 9 Compound rest and tool holder Figure 9 Compound rest and tool holder A A B B C C D D E E Compound Rest Tool Holder Tailstock A Quill An MT 6 Morse taper metric and inch scale and a dr...

Page 11: ...lstock to bedways G Offset Scale Indicates relative distance of tailstock offset from spindle centerline H Offset Lock Two cap screws clamp together upper and lower halves of tailstock after offset is...

Page 12: ...re as follows Death or catastrophic harm WILL occur Moderate injury or fire MAY occur Death or catastrophic harm COULD occur Machine or property damage may occur Basic Machine Safety Owner s Manual Al...

Page 13: ...azard by verifying that all fastening devices are properly secured and items attached to spindles have enough clearance to safely rotate Chuck Keys or Adjusting Tools Tools used to adjust spindles chu...

Page 14: ...cult to hold During installation and removal protect your hands and precision bed ways by using a chuck cradle or piece of plywood over the bed ways Use lifting equipment as necessary for large chucks...

Page 15: ...standers with deadly force To reduce the risk of this hazard read and understand this document and seek additional training from an experienced chuck user before using a chuck Chuck Capacity Avoid exc...

Page 16: ...onnel to ensure a safe and code compliant connection to the power source For Cleaning Assembly Precision level 12 Cotton rags Cleaner Degreaser refer to Page 17 Quality metal protectant oil Safety gla...

Page 17: ...that has a verified ground and meets the following requirements Nominal Voltage 230V 460V Cycle 60 Hz Phase 3 Phase Minimum Circuit Rating 90 50 Amps Connection Hardwire w Locking Switch Note The cir...

Page 18: ...immediately call Customer Service at 360 734 1540 for advice You may need to file a freight claim so save the containers and all packing materials for possible inspection by the carrier or its agent...

Page 19: ...s and disposable gloves 2 Coat all surfaces that have rust preventative with a liberal amount of your cleaner or degreaser and let them soak for a few minutes 3 Wipe off the surfaces If your cleaner o...

Page 20: ...nment that is free from excessive moisture hazardous or flammable chemicals airborne abrasives or extreme conditions Extreme conditions for this type of machinery are generally those where the ambient...

Page 21: ...pping pallet 4 Move lathe to its prepared location while it is still attached to shipping pallet 5 Unbolt lathe from shipping pallet 6 Protect bed and any other lathe surface from potential damage fro...

Page 22: ...he feet the lathe must be leveled using the leveling bolts For accurate turning results and to prevent warping cast iron bed and ways lathe bedways MUST be leveled from side to side and from front to...

Page 23: ...not covered under warranty Refer to the Lubrication section beginning on Page 42 for details on how to check add oil and prime the headstock oil pump In addition to filling the reservoirs lubricate a...

Page 24: ...t operate it further until you have resolved the problem Note Refer to Troubleshooting on Page 60 for solutions to common problems that occur with lathes If you need additional help contact our Tech S...

Page 25: ...ch 2 Read and understand safety instructions at beginning of manual take all required safety precautions and make sure all previous preparation steps discussed in this manual have been followed and co...

Page 26: ...n half nut and power feed ON OFF levers see Figure 24 11 Unlock carriage lock and use carriage handwheel to move carriage back and forth to ensure it is disengaged from leadscrew and feed rod Figure 2...

Page 27: ...everse rotation 25 Reset EMERGENCY STOP buttons and restart lathe 26 Observe direction of chuck rotation it should now match reverse direction printed on control panel 27 On carriage control panel pus...

Page 28: ...0 Compound Rest Cross Slide Gib Page 51 Half Nut Clamping Page 53 Leadscrew Feed Rod End Play Page 53 Foot Brake Motor Brake Page 54 V belts Page 55 Recommended Adjustments 31 Test chip guard safety s...

Page 29: ...on coolant if applicable 13 Powers up DRO uses carriage handwheels or power feed options to move tooling into workpiece for operations 14 When finished cutting shuts down lathe and removes workpiece...

Page 30: ...r Figure 29 Tailstock graduated dial Figure 29 Tailstock graduated dial Figure 30 Quill scale Figure 30 Quill scale 1 16 and 1mm graduations and 1mm graduations The tailstock can be offset from the sp...

Page 31: ...rift key in slot shown in Figure 34 to remove tool Figure 34 Drift key slot Figure 34 Drift key slot Drift Key Slot Drift Key Slot Removing Tooling 2 Loosen cap screws see Figure 31 at both ends of ta...

Page 32: ...give you 20 RPM M will give you 85 RPM H will give you 500 RPM 5 Repeat this procedure for other three speed groups when needed Figure 37 Spindle speed range hub Figure 37 Spindle speed range hub The...

Page 33: ...dwheel scale Figure 38 Carriage controls Figure 38 Carriage controls Carriage Carriage Handwheel Handwheel Compound Compound Handcrank Handcrank Cross Slide Cross Slide Handwheel Handwheel Compound Co...

Page 34: ...nk Compound Rest Rosette This lathe is equipped with an electric quick traverse motor for returning or repositioning the carriage or cross slide By first unlocking the carriage and half nut and select...

Page 35: ...speed for an operation will also provide the optimal feed rate to use with that spindle speed Often the experienced machinist will use the feeds and speeds given in their reference charts or web calc...

Page 36: ...without disengagement while still providing overload protection Figure 47 Adjustable feed clutch knob Figure 47 Adjustable feed clutch knob Feed Clutch Feed Clutch Knob Knob Feed Selector Knob Select...

Page 37: ...s Refer to Feed Chart in Figure 51 for all available feeds Figure 50 Setting feed rate 0 22 Figure 50 Setting feed rate 0 22 Setting Power Feed Rate The power feed rate chart displays the settings for...

Page 38: ...the dial gear toward the leadscrew so that it properly meshes with the leadscrew threads then re tighten the cap screw Figure 52 Thread dial engaged with the leadscrew Figure 52 Thread dial engaged w...

Page 39: ...1 13 1 or 3 TPI TPI Find the TPI Threads Per Inch that you want to cut in the left column of the thread dial chart see Figure 53 then reference the dial numbers to the right of it The dial numbers ind...

Page 40: ...to the chuck For your own safety and protection of property consult an electrician if you are unsure about wiring practices or applicable electrical codes Coolant System When the coolant pump is turne...

Page 41: ...2 Face Plate X X X X X X X SB1075 A2 15 36 Face Plate X X X X X X X SB1076 A2 15 40 Face Plate X X X X X X X SB1077 Follow Rest w Rollers Clamping 30 160mm X X X SB1078 Follow Rest w Rollers Clamping...

Page 42: ...coolant Typically a thin film of oil is all that is necessary for protection Daily After Operations Depress EMERGENCY STOP button and turn master switch to OFF position power switch to prevent acciden...

Page 43: ...aintenance items Service Item Change Gearbox Oil Change Headstock Oil Change Apron Oil Change Coolant Annual Service Make copies of this page to use each month Keep each chart as a maintenance record...

Page 44: ...ct oil to the three spindle bearing packs Under heavy use or once every 3 years under light use the top headstock cover should be unbolted and removed and the oil catches and their bores cleaned to en...

Page 45: ...Frequency Every 6 Months Figure 63 Location of apron oil sight glass Figure 63 Location of apron oil sight glass Oil Sight Glass Oil Sight Glass Apron Gearbox All components inside of the gearbox are...

Page 46: ...flow control Apron Fill Apron Fill Plug Plug Draining Oil Flushing Apron Since the apron oil reservoir supplies the hand pump oiler the oil is constantly being refreshed when the reservoir is filled H...

Page 47: ...or Rubber Cone Tip 1 Lubrication Frequency Before and After Use To lubricate ball oilers Lubricate ball oilers before and after machine use and more frequently under heavy use 1 Wipe ball oiler surfa...

Page 48: ...ure 69 Compound ball oilers Figure 69 Compound ball oilers Ball Oiler Ball Oiler 1 of 4 1 of 4 End Gears 4 Wipe away excess oil Note Cross feed has one ball oiler next to the hand crank scale and the...

Page 49: ...Tailstock lifting eye fastening locations Lifting Eye Lifting Eye Locations Locations Frequency Annually or When Changing Grease Type NLGI 2 Small Stiff Brush for Grease 1 Hex Wrench 3mm 1 Mineral Spi...

Page 50: ...s Coolant Coolant Pump Switch Pump Switch Coolant Flow Coolant Flow Valve Valve Coolant Replacement Although most swarf from machining operations is screened out of coolant before it returns to the ta...

Page 51: ...rom corrosion especially during winter months 10 Slide carriage tailstock and steady rest down lathe bed to make sure that way spotting is not beginning to occur 8 Re install pump and access plate Tip...

Page 52: ...the leadscrew nut they offset part of the nut to remove play between the nut and leadscrew To adjust backlash rock the handwheel back and forth while tightening the screws slowly until the backlash is...

Page 53: ...void in the way Thus the play in the slide is removed If more play is needed adjust the screws so the gib is moved and held in the opposite direction Figure 77 Compound rest leadscrew adjustment Figur...

Page 54: ...Saddle Rear Gib Screws Carriage Tailstock The tailstock offset gib will rarely ever need to be adjusted but if it does follow these steps Tools Needed Qty Standard Flat Screwdriver 3 1 Wrench 32mm 1 H...

Page 55: ...becomes loose from wear or if too tight for your preferences A half nut that is too loose will make it difficult to produce accurate work A half nut that is too tight will increase the rate of wear o...

Page 56: ...ustable electric motor brake located at the tail end of the spindle motor see Figure 84 the second is an adjustable band and hub brake connected to the pulley end of the motor see Figure 83 When the u...

Page 57: ...eded Qty Hex Wrench 8mm 1 Open End Wrench 24mm 1 To adjust V belts 1 DISCONNECT LATHE FROM POWER 2 Open motor access door below outboard chuck 3 Adjust hex nuts on motor mount jack bolts see Figure 86...

Page 58: ...s Needed Qty Hex Wrenches 5 10mm 1 Ea Phillips Head Screwdriver 2 1 Thin Bladed Gasket Scraper 1 Dowel Punch 1 4 1 Dowel Punch 1 2 1 Small Hammer 1 Safety Goggles 1 Light Machine Oil As Needed To Repl...

Page 59: ...heir bores so broken pieces of shear pin can be removed 9 Work leadscrew or feed rod out of its bore to expose ends of broken shear pin 10 Rotate shaft and hub so smaller end of tapered bore or pin is...

Page 60: ...Gap insert location Figure 92 Gap insert location Gap Insert Gap Insert Tools Needed Qty Hex Wrenches 10 14mm 1 Ea Wrench 19mm 1 Wood or Dead Blow Hammer 1 Safety Glasses 1 Light Machine Oil As Neede...

Page 61: ...nstall all fasteners and lightly snug them in place 6 Mount a dial indicator with a magnetic base to top of saddle to indicate alignment Installing Gap Insert 7 On the machined surfaces where the gap...

Page 62: ...One or more safety switches or brake switch are engaged 6 Verify electrical box door chuck guard and motor access doors are fully closed or in safety position 7 Thermal overload relay has tripped 7 Tu...

Page 63: ...s not fully retracted into tailstock 1 Turn tailstock handwheel until it forces tapered tool out of quill 2 Contaminants not removed from taper before inserting into quill 2 Clean taper and bore and r...

Page 64: ...oll plate 1 Remove jaws clean and lubricate scroll plate then replace jaws Carriage will not feed or is hard to move 1 Gears are not all engaged 1 Adjust gear levers 2 Carriage lock is tightened down...

Page 65: ...South Bend Tools...

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Page 67: ...gulation or standard of any domestic or foreign government industry or authority In no event shall South Bend s liability under this warranty exceed the original purchase price paid for this machine A...

Page 68: ...southbendtools com Printed In U S A CR21874...

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