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Introduction

Welcome 

To the manual for the Smithy MI-1440L lathe.   It will teach you about the

parts of the machine and how to take care of your investment.   This manual

is complete and current at the time of printing*. In our continuing effort to

bring you the best in machine tools, changes may be made - please visit us

at 

www.smithy.com

 for the latest updates. 

This manual—and any other manuals associated with this Smithy machine—

should remain with the machine. If ownership changes, please include the

Operating Manual with the machine.

Please   read   the   operating   manual   carefully   and   closely.   Follow   the

procedures described. If you don’t understand how your machine works, you

risk injury to yourself or others. Misuse can cause damage to the machine or

to your project. To learn more about general machining practices you can

turn to a number of sources.  The Smithy website has a series of Machinist

Training   Videos   under   the   Machining   Helps   section   of   website   heading.

Smithy   also   offers   books   that   meet   the   needs   of   Congratulations   on   the

purchase of your Smithy Milling Machine. We welcome you to the Smithy

family of quality machine owners. Smithy strives to provide you with the best

in machines and service. Please read through this manual carefully to ensure

that you achieve maximum performance from your MI-1440L lathe.

We also suggest your local library as a resource. Enrolling in a machining

class   will   give   you   the   best   opportunity   to   learn   about   machining   from

professionals in a supportive environment. 

Suggestions or Comments 

We   are   interested   in   any   suggestions   you   might   have   to   improve   our
products   and   services.   Feel   free   to   contact   us   with   your   suggestions   by
phone or in writing. If you have comments about this operator’s manual, or if

05

Summary of Contents for MI-1440L

Page 1: ...MI 1440L OPERATOR S MANUAL I 01 ...

Page 2: ...al photocopying recording or otherwise without prior written permission of Smithy Ind For information on getting permission for reprints and excerpts comments or suggestions contact info smithy com While every precaution has been taken in the preparation of this manual Smithy Ind shall not have any liability to any person or entity with respect to any loss or damage caused or alleged to be caused ...

Page 3: ...es Chapter 3 Machine Specifications Chapter 4 Inventory Check List a Overview b Smithy Quick Start Pack Check List c Missing Items Chapter 5 Machine Overview Overview Major Components and Controls Chapter 6 Setting Up Your Machine Overview Site Selection Preparation For Mounting You Machine Lifting Your Machine Placing It On A Stand Power Requirements Leveling the Machine 03 ...

Page 4: ...pindle operations Changing spindle speeds Chapter 9 Powerfeeding Speeds Feeds Defined Setting Spindle Speeds Setting Feed Rates Power feed engagement Chapter 10 Threading operation Setting Thread Pitch Threading Procedure Inch Threads Threading Procedure Metric Threads Chapter 11 Work Holding Devices Chuck and Face Plate Removal and Installation Steady Rest follow Rest Use Chapter 1 04 ...

Page 5: ...more about general machining practices you can turn to a number of sources The Smithy website has a series of Machinist Training Videos under the Machining Helps section of website heading Smithy also offers books that meet the needs of Congratulations on the purchase of your Smithy Milling Machine We welcome you to the Smithy family of quality machine owners Smithy strives to provide you with the...

Page 6: ...n also e mail your questions 24 hours a day to info smithy com Customer Information Please record the information below about your Smithy machine Having this information readily available will save time if you need to contact Smithy for questions service accessories or replacement parts Model number _____________________________________ Serial Number ____________________________________ Purchase D...

Page 7: ...Symbols Used In This Manual In this manual the symbols below draw attention to specific operating issues CAUTION Potential hazard unsafe situation or potential equipment damage that may result in injury to yourself or damage to your machine DANGER Hazardous situation which if not avoided could result in series injury or death WARNING Potential hazard unsafe situation or equipment damage could resu...

Page 8: ...ards of operating a machine tool In particular remember never to change speeds or setups until the machine is completely stopped and never operate it without first rolling up your sleeves 2 Wear proper clothing Avoid loose fitting clothes gloves neckties or jewelery that could get caught in moving parts If you have long hair tie it up or otherwise keep it from getting into the machine Always wear ...

Page 9: ...e doing and avoiding distractions you will spend many safe enjoyable hours in your workshop 11 Never leave your machine running unattended Attention Machine Operation Safety Rules 1 Stop the machine before servicing Stop the machine before making changes removing debris or measuring your work 2 Don t over reach Don t reach over the machine when it s operating Keep your hands out of the way 3 Turn ...

Page 10: ...peed 8 Do not change the direction of the spindle rotation or lead screw rotation while your machine is running Changing the rotation direction of the spindle or lead screw while your machine is running could cause serious damage to your machine 9 Do not stop the spindle by hand Always use your on off switch to stop the spindle from rotating 10 Do not clear chips by hand Metal chips are very sharp...

Page 11: ... Type A C Constant Speed Induction PRODUCT DIMENSIONS Machine Weight 1340 lbs Machine Length 70 Machine Height 32 Machine Width 30 Shipping Weight 1500 lbs Shipping Length 76 Shipping Width 30 Shipping Height 31 MACHINE SPECIFICATIONS Work Area Requirements 30 x 53 1 2 Powerfeed Z Axis Yes Powerfeed X Axis Yes X Axis Travel 6 5 Z Axis Travel Tailstock Installed 33 see note below Threading Dial Yes...

Page 12: ...d Gear Boxes Yes Lathe Chuck Diameter 8 Lathe Chuck Min Diameter Workpiece 1 8 Lathe Chuck Max Diameter Workpiece 8 Lathe Chuck Type 3 Jaw 4 Jaw Lathe Chuck Mount D1 5 Spindle Bore 2 Swing Over Worktable 7 5 Swing Over Bed 14 Swing w Gap Removed 18 75 Spindle Accuracy TIR 0003 Tailstock Barrel Travel 4 Tailstock Taper MT3 Tailstock Offset 3 8 Threads Inch 4 56 TPI Threads Metric 4 7mm Tool size 1 ...

Page 13: ...ipped in the same crate as your MI 1440L Lathe Please check if the following items are present 83 945 Owner s Manual 83 942 Binder for manual G20003 Allen Wrench 3 mm C30540 Allen Wrench 4 mm C30542 Allen Wrench 5 mm C30537 Allen Wrench 6 mm C30536 Allen Wrench 8 mm 72 001 Drill Chuck 73 033 Arbor MT3 TO JT33 C30533 Key Drill Chuck 81 503 Plug 41 003 Dead Center MT3 2 41 103 Live Center MT3 Z40004...

Page 14: ...m your Quick Start Tool Pack Call Us TOLL FREE 1 800 476 4849 or send an e mail to info smithy com within 30 days of receiving your machine so that we may assist you immediately Our sales and service technicians are available 9am to 5 30pm ET Monday through Friday 14 ...

Page 15: ...e Smithy MI 1440 Lathe The figure below identifies the major controls for your machine 4 3 7 9 10 14 15 17 16 6 2 1 5 8 11 12 13 1 E Stop and start button 2 Machine on indicator 3 Jog button 4 Spindle speed selectors 5 Feed and thread selectors 6 Feed direction selector 7 Cross feed handwheel 15 ...

Page 16: ... during some setup operations 4 Spindle Speed Selectors The lathe spindle has two speed selector handles that are used together to select the desired spindle speeds There is a spindle speed chart on the lathe head showing handle positions for desired speeds It may be necessary to rotate the lathe spindle by hand in order to get the selector lever fully into position Do not move this control when t...

Page 17: ...Lever Pushing this lever down activated the longitudinal feed for threading 13 Motor Fwd Rev Engagement Pulling this lever upward will run the spindle motor in the forward direction Moving the lever downward will run the spindle motor in the reverse direction Placing the lever in the middle position is off and will stop the motor 14 Threading Dial The thread dial is used for coordinating multiple ...

Page 18: ... selection Before mounting the machine select a sight that affords easy access to the machine and is clear of obstructions The floor should be as level as possible and sturdy enough to support the machine and stand Mount machine to a sturdy table on a solid concrete foundation Smithy s 80 055 stand has holes drilled to accommodate the hole pattern of the MI 1440 Lathe If your plans are to make you...

Page 19: ... fall off the machine while moving it Attach appropriately rated chains or tow straps to the machine HEADSTOCK Run down behind the machine bed up close to the head stock Bring the strap under and up on the front New picture is needed side Place a short 2 x 4 under the lower selector rod to keep it from getting bent when lifting the machine TAILSTOCK Run the carriage to the right end of the machine...

Page 20: ...the holes in the machine base to the holes in the machine stand Carefully lower the machine onto the stand With machine in place secure it to the stand Power Requirements The machine runs on 110 or 220 volt AC and comes with a NEMA 5 15 plug It is recommended to connect to a 20 amp dedicated 110 VAC circuit Check your local electrical codes for details on the supply circuit The machine can be chan...

Page 21: ...huck Note the bubble position on the level Move the level to the tailstock end of the machine The bubble position should be the same as at the chuck end of the machine If the level is off place shims between the machine base and the stand to bring the machine into position 21 ...

Page 22: ...w minutes and wipe it off with rags Use a brush and noncorrosive kerosene or white mineral spirits to clean hard to reach places Give special attention to the lead screw Use a brush or cotton string to clean down into the threads Once it s cleaned your Smithy is ready for lubricating Do this carefully and thoroughly before starting the machine The lathe head has an oil site gauge The oil level sho...

Page 23: ...half way up the site gauge on the front of the apron The quick change gearbox is oiled by removing the plug shown below and squirting oil into the opening This oil will run over the gears inside the box and drip out the bottom of the quick change gear box Oil in the drip pan below the box is normal Oil daily or before each use 23 ...

Page 24: ...orrosion 3 5 6 8 1 2 4 7 9 Lubrication table No Lubrication parts Number of oil points Oil 30 wt non detergent Frequency 1 Input shaft of gearbox 1 oil button 30 wt Once a day 2 Gearbox 1 reservoir 30 wt First change after 3 months then once a year 3 Headstock 1 reservoir 30 wt 4 Apron 1 reservoir 30 wt 5 Carriage 5 oil buttons 30 wt Once a day 6 Tool post 3 oil buttons 30 wt Once a day 7 Thread d...

Page 25: ...nd well oiled Z Axis Gib Adjustment There are four adjustment screws for the Z axis Two on the left rear and two on the right rear underneath corners of the saddle which is shown in the images below 1 Loosen the locking nuts on each adjusting screw 2 Start at one end and slowly turn the adjusting setscrew inward while moving the carriage left and right until s slight drag is felt in the movement B...

Page 26: ... in the images below 1 To tighten the gib loosen the rear screw about 2 turns Slowly tighten the front screw while moving the cross feed fore and aft 2 When you fill drag on the hand wheel that s the time to stop and tighten the rear screw 3 If the gib is too tight screw out the front screw and screw in the rear screw to loosen the gib 26 ...

Page 27: ... on the spindle counterclockwise until the scribe mark on the cam aligns with the mark on the spindle 3 If the chuck is stuck onto the spindle a light hit with a mallet or dead blow hammer will knock it loose Chuck Installation 1 Place the chuck onto the end of the spindle and turn the cams clockwise Rotate each cam enough to hold the chuck in place but do not tighten yet When all 3 of the cams ar...

Page 28: ...speed before beginning cutting operations Turning Machine On Rotate the STOP button clockwise to assure it is not pushed in This button is an emergency stop and it will stay in the power off position when pushed in It must be rotated clockwise to allow it to go into the power on mode and operate the machine The machine is now powered on Changing Spindle Speeds Spindle speeds are selected using the...

Page 29: ...tor Engagement Lever downward to run in the forward direction for normal turning and threading operations 2 Move the Motor Engagement Lever back to the center position to stop the lathe spindle 3 Move the Motor Engagement Lever upward to run the spindle in reverse 29 ...

Page 30: ... T The first line of the chart shows the gears required to be installed in the pulley box on the left end of the machine a 60T 30T DIAL T S R V T S R V A D 0187 0175 0140 0112 0094 0087 0070 0056 B D 0094 0087 0070 0056 0047 0044 0035 0028 A C 0047 0044 0035 0028 0024 0022 0017 0014 B C 0024 0022 0017 0014 0012 0011 0009 0007 DIAL 1 2 3 4 ON THE BLACK DOT The remainder of the chart shows the posit...

Page 31: ...e same as the crossfeed chart Operation Once the desired feed rates are determined and set the actual operation is very simple There is a powerfeed direction selector on the lathe head that allows you to feed either toward the lathe chuck or toward the tailstock The lever is located on the lathe head just below and to the left of the spindle speed selectors The direction lever CAN NOT be moved whi...

Page 32: ...gitudinal direction or the cross feed direction Moving this lever to the left and up will activate the power longitudinal feed Moving the lever to the right and down will activate the power crossfeed The Powerfeed Engagement lever is made to be be used while the spindle is running 32 ...

Page 33: ...The indicator tells you when to engage the half nut to begin the threading process The housing of the threading dial must be loosened and the entire assembly rotated so the gear on the end of the thread dial contacts the feed screw The dial will turn as long as the half nut lever is up and the feed screw is turning There is a reference mark on the threading dial housing and numbers on the dial Whe...

Page 34: ...pitch on the chart and then follow the row to the left to find the position of the left feed thread selector Follow the column up to find the position for the right feed thread selector a INCH THREADS 120 T ARE MEASURED AS THREADS PER INCH b a AND b BOTH RIDE ON THE 127 T GEAR a 60 60 60 60 60 60 56 60 60 b 60 54 57 60 66 69 54 78 63 DIAL 4 1 1 1 1 1 2 1 3 V V V V V V V V V A D 4 4 5 5 6 6 7 B D 8...

Page 35: ... Move the half nut lever up to stop the thread 8 Manually move the longitudinal feed back to the starting point for the thread 9 Adjust the thread depth and engage the half nut on the same number as the first pass 10 Repeat this until the desired thread depth is established Metric Threads The metric thread chart is used in the same manner as the inch chart a METRIC THREADS ARE 120 T MEASURED AS TH...

Page 36: ...aller 120 tooth center gear Inch metric 5 Slide the center gear toward so the 120 tooth gear meshes with the lower and tighten the nut on the center gear 6 Replace the upper gear with the required tooth gear for the thread you wish to cut 7 Rotate the gear quadrant so the 127 tooth gear meshes with the upper gear and tighten the nut at the quadrant slot 8 Replace the belt cover 9 Set the feed thre...

Page 37: ... Chapter 11 Work Holding Devices The spindle nose and chuck mounting is a D1 5 Type This is one of the industry standard mounts and makes it possible to mount numerous styles and types of chucks to your machine The chuck is attached to the spindle nose by 5 cam locks and studs Chuck and Face Plate Removal 4 To remove the lathe chuck place a piece of wood under the chuck to protect the machine bed ...

Page 38: ...the cam turns all the way around but does not tighten Turn the stud in one turn Steady Rest Follow Rest Installation Steady Rest The steady rest mounts to the lathe bed and can be used to support longer pieces that extend out past the tail stock Remove the tail stock and attach the steady rest to the lathe bed as shown Each individual support on the steady rest must be adjusted into position to su...

Page 39: ...ng turning operations The follow rest mounts on the left side of the carriage as shown below The supports are adjusted before each pass since the material is getting smaller with each pass It Is also necessary to lubricate the workpiece and the supports with grease to limit the friction between the parts while turning 39 ...

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Page 41: ...racket feed rods right end 1 34 LZ0134 Shaft motor engage 1 13 LZ01013 Plug 3 35 LZ0135 Collar 1 14 LZ01014 USE LZ01013 0 36 S11942 Screw set cone point M6x10 1 15 LZ01015 USE LZ01013 0 37 LZ01037 Pulley 1 16 LZ01016 Screw socket head cap M8x55 2 38 S11938 Screw set flat point M6x8 1 17 LZ01017 Pin taper M6x70 2 39 S21815 Key parallel M8x32 1 18 C30035 Oil cup M8 2 40 S12280 Bolt hex head M8x25 4 ...

Page 42: ...41 ...

Page 43: ...13 LZ02013 Gear 26T 1 42 LZ02042 Pulley 1 14 LZ02014 Collar 1 43 LZ02043 Washer 1 15 LZ02015 Gear 43T 1 44 S12291 Screw socked head cap M8x20 1 16 LZ02016 Gear 51T 1 45 S12011 Screw socked head cap M6x25 1 17 LZ02017 Washer 1 46 MLZ02046 Cover front 1 18 LZ02018 Gasket 1 47 MLZ02047 Gasket 1 19 LZ02019 Cover rear 1 48 MLZ02048 Bearing tapered roller 33015 P5 75x115x31 1 20 LZ02020 Screw socked hea...

Page 44: ... cap M10x20 4 104 S23030 Snap ring external M30 1 72 S18165 Washer locking M10 4 105 MLZ02105 Hub 1 73 S18170 Washer flat M10 4 106 S11691 Screw socket head cap M6x20 2 74 LZ02074 Screw set flat point M12X12 1 107 MLZ02107 Handle block 1 75 S23120 Snap ring external M20 3 108 MLZ02108 Handle 1 76 LZ02076 Snap ring internal M42 2 109 MLZ02109 Sleeve handle 8x40 3 77 LZ02077 Gear 30T 1 110 Z40073 Ba...

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Page 46: ...005A Gear change 66T 1 37 LZ04029 Plug oil fill 1 12 LZ04005A Gear change 69T 1 38 LZ04030 Snap ring external M26 2 13 LZ04005A Gear change 78T 1 39 LZ04031 Gear 24T 2 14 LZ04006 Shaft 1 40 LZ04032 Gear 28T 2 15 S21232 Key square 5x18 1 41 LZ04033 Gear 2 16 S21350 Key square 5x45 1 42 LZ04034 Key square 4x22 2 17 S23120 Snaring external M20 5 43 LZ04035 Cover 3 18 LZ04010 Bearing ball 6004RS 20x42...

Page 47: ...w set dog point M5x16 4 83 LZ04083 Shaft 1 64 LZ04064 Fork 1 84 S22325 Pin taper M3x25 1 65 LZ04065 Block 1 85 LZ04085 Cover front plate 1 66 LZ04066 Fork 1 86 LZ04086 Screw socket head cap M5x25 8 67 LZ04067 Fork 2 87 LZ04087 O ring 6 9x1 8 4 68 LZ04068 Block 1 88 LZ04088 Washer 4 69 LZ04069 Block 1 89 LZ04089 Pin spring M4x40 4 70 LZ04070 Shaft 4 90 S22442 Pin spring M4x24 2 71 LZ04071 Block 1 9...

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Page 49: ...5031 Handle shaft 1 10 LZ05010 Gearshaft long shank 13T 1 32 LZ05032 Shift lever 1 11 LZ05011 Gear 60T 1 33 S12011 Screw socket head cap M6x25 3 12 LZ05012 Bracket 1 34 LZ05034 Box 1 13 S11971 Screw socket head cap M6x16 1 35 C30199 Ball steel M5 2 14 LZ05014 Body casting 1 36 LZ05036 Spring coil 0 8x4x20 2 15 LZ05015 O ring 12x2 4 1 37 S11918 Screw set flat point M6x6 2 16 LZ05016 Bolt hex head M...

Page 50: ...5 Screw socket head cap M5x12 2 76 S18135 Washer locking M8 1 54 LZ05054 Shaft 1 77 LZ05077 Bushing 1 55 LZ05055 Gear 18T 1 78 LZ05078 Gear 1 56 LZ05056 Washer 1 79 LZ05079 Bushing 1 57 S11941 Screw socket head cap M6x10 80 LZ05080 Bushing 1 58 LZ05058 Screw cheese head M5x5 1 81 LZ05081 Body thread dial 1 59 LZ05059 Screw set flat point M6x10 1 82 LZ05082 Screw socket head cap M8x50 1 60 LZ05060 ...

Page 51: ...44 ...

Page 52: ...ing 1 11 S12290 Bolt hex head M8x20 4 35 S16135 Washer lock M8 2 12 LZ06012 Block 2 36 S12311 Screw socket head cap M8x25 2 13 LZ06013 Saddle 1 37 LZ06037 Dust cover 1 14 S11355 Screw pan head M4x12 8 38 LZ06038 Sleeve 1 15 LZ06015 Plate wiper 2 39 LZ06039 Washer lock tab M12 1 16 LZ06016 Wiper 2 40 G01020 Nut spanner M12 1 17 LZ06017 Screw socket head cap M8x30 4 41 LZ06041 Screw gib adjusting 2 ...

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Page 54: ... C30050 Oil cup M6 3 13 S11942 Screw set cone point M6x10 1 14 LZ07014 Bearing thrust 51101 12x26x9 2 15 LZ07015 Collar 1 16 S11991 Screw socket head cap M6x20 2 17 G01020 Nut hex fine thread M12x1 25 2 18 S11932 Screw set cone point 6x6 1 19 LZ07019 Dial ring 1 20 S22110 Pin taper M3x16 1 21 LZ07021 Handle rod 10x80 1 22 LZ07022 Lead screw 1 23 LZ07023 Nut lead screw 1 24 S18125 Nut plain M8 2 25...

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Page 56: ...6 Screw socket head cap M4x12 3 17 LZ07017 Dial ring 1 18 LZ07018 Screw feed 1 19 LZ07019 Key square 4x16 1 20 LZ07020 Handle shaft 1 21 LZ07021 Bearing thrust 51102 15x29x8 1 22 LZ07022 Flange 1 23 C30035 Oil cup M8 1 24 S11692 Screw set cone point M5x20 1 25 LZ07025 Screw handle 1 26 S11971 Screw socket head cap M6x16 1 27 LZ07027 Screw base locking 1 28 LZ07028 Washer 1 29 LZ07029 Hand wheel 1 ...

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Page 58: ...6016 Aux Contactor 2 3 LZ09016 Transformer 1 4 LZ09019 Contactor 1 5 LX06045 Jog button 1 6 LX06042 E Stop button 1 7 LX06040 Indicator light 1 8 Z40204 Fuse only 1 9 LZG10012 Direction switch rotary type 1 9A Z40201 Direction switch micro switch type 2 10 LZ01042C Motor 110 220 not shown 1 ...

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