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Drill Chuck,
JT3, 0.8-16 mm

with key

(for millhead)

Part # 72-003

Quantity 1

Drill Chuck Arbor,
R-8/JT3

Part # 73-080

Quantity 1

Drill Chuck,
JT33, 0.8-13 mm

with key

(for tailstock)

Part #72-001

Quantity 1

Drill Chuck Arbor,
MT3/JT33

Part # C30523

Quantity 1

Arbor Plug
(M12 x 1.5 x 20 mm

setscrew)

Part # S12898

Quantity 1

MT3 Dead Center

Part #41-003

Quantity 1

MT4 Dead Center

Part # 41-004

Quantity 1

6” Adjustable Wrench

Part # G20006

Quantity 1

13/16 mm Open End
Wrench

Part # G20131

Quantity 1

10/12 mm Open End
Wrench

Part # G20101

Quantity 1

Allen Wrench, 3 mm

Part # G20003

Quantity 1

Allen Wrench, 4 mm

Part # C30540

Quantity 1

Allen Wrench, 5 mm

Part # C30542

Quantity 1

Allen Wrench, 8 mm

Part # C30536

Quantity 1

Allen Wrench, 10 mm

Part # G20002

Quantity 1

Belt Set Millhead Belt
(Shipped On Machine)

Part # G05042 -A900 Or

Part # G05042A 1/2”

Quantity 1

3-3

For Assistance: Call Toll Free 1-800-476-4849

Granite 1300 Series Operator’s Manual

Содержание GRANITE 1300 SERIES

Страница 1: ...GRANITE 1300 SERIES COMBINATION LATHE MILL DRILL OPERATOR S MANUAL Updated April 2008 170 Aprill Dr Ann Arbor MI USA 48103 Toll Free 1 800 476 4849 www smithy com ...

Страница 2: ...ctronic mechanical photocopying recording or otherwise without prior written permission of Smithy Co 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 Co shall not have any liability to any person or entity with respect to any loss or damage caused or alleged...

Страница 3: ...ag 3 5 Additional Items for GN IMX Series 3 5 Chapter 4 Machine Overview Overview 4 1 Major Features Identified 4 1 Millhead Components and Functions 4 3 Powerhead Components and Functions 4 5 Pulley Box 4 7 Carriage Asssembly 4 8 Carriage Assembly Compound Angle Toolpost 4 11 Tailstock 4 12 For Granite MAX and IMX Series Machine 4 13 Chapter 5 Preparing Your Machine For Operation Overview 5 1 Ass...

Страница 4: ...usting the fit between the Worm Gear and Pinion Gear Shaft 5 16 Adjusting the fit of the Quill Gear to the Quill Rack 5 17 Adjusting Drive Belt Tension 5 19 Adjusting Millhead Belt Tension 5 19 Adjusting Lathe Belt Tension 5 19 Becoming Familiar with Operating Your Smithy Granite 5 20 Running in the Lathe 5 21 Running in the Mill Drill 5 22 Chapter 6 Tooling Installation Overview 6 1 Setting up La...

Страница 5: ...ge Speed Set up 8 3 Low Range Speed Set up 8 4 Feed Chart Explained 8 5 Sample Settings 8 8 Chapter 9 Powerfeeding Overview 9 1 Powerfeeding Defined 9 1 The Jog Knob 9 4 Step by Step Lathe Powerfeeding 9 4 Step by Step Mill Powerfeeding 9 5 Chapter 10 Threading Overview 10 1 Leadscrew Safety Clutch Adjustment 10 1 Basic Threading 10 2 Changing Gears 10 3 Cutting Inch Threads 10 4 Using the Threadi...

Страница 6: ...Series 13 1 Granite 1340 Series 13 3 Chapter 14 Diagrams and Parts List Lathe Bed 14 1 Lathe Bed and Handwheel 14 2 Motor and Mount 14 3 Headstock 14 4 Headsctock Clutch Mechanism 14 7 Pulley Box for Models Prior to May 2003 14 8 Pulley Box for Models After May 2003 14 9 Pulley Box Prior to May 2003 List 14 10 Pulley Box After May 2003 List 14 11 Mill Drill Head 14 12 Compound Angle Toolpost 14 17...

Страница 7: ... Chip Breakers A 9 Using a Center Gauge to Check V Thread Forms A 9 Acme or Other Special Threads A 10 Carbide Tipped Cutters and Cutter Forms A 10 When To Use Differnt Kinds of Endmills A 11 Endmill Cutters A 11 Plain Milling Cutters A 12 Side Milling Cutters A 13 Slitting Saws A 13 Angle Milling Cutters A 13 Form Relieved Cutters A 14 Flycuttters A 14 How to do Threading A 14 Cutting Right hand ...

Страница 8: ...inuing 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 Quick Start Manual and the Operating Manual with the machine Please read the operating manual carefully and closely follow the pr...

Страница 9: ...r toll free number 1 1 8 80 00 0 4 47 76 6 4 48 84 49 9 Our friendly service technicians are available Monday through Friday from 8 00 a m to 5 00 p m Eastern Standard Time You can 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 con...

Страница 10: ...al In this manual the symbols below draw attention to specific operating issues Potential hazard unsafe situation or potential equipment damage that may result in injury to yourself or damage to your machine Hazardous situation which if not avoided could result in series injury or death Potential hazard unsafe situation or equipment damage could result in death or serious injury Alerts user to hel...

Страница 11: ...ety glasses designed for machinery operation regular glasses will not do Have extras available for visitors Know when to wear a face mask or earplugs as well 4 Keep your work area clean and organized Cluttered work areas and benches invite accidents Have a place for everything and put everything in its place 5 Childproof your work area and keep children away from the machine while it is in use Chi...

Страница 12: ... the limits of travel will cause serious damage to your machine which will not be covered by your warranty 7 Run your machine at recommended spindle speeds and feed rates Always cut at the recommended speed and feed rates for the type of metal that you are cutting for optimum performance Do not begin your cut until the machine has reached the full and proper speed 8 Do not change the direction of ...

Страница 13: ... inventory is to become familiar with the names of all of the parts of your Smithy machine To aid with this the following parts lists have individual photos of the items listed Items Mounted To Your Machine The items listed below are shipped mounted on the Smithy Granite Kindly check if the following items are present Use the box before the item as your reference 6 3 Jaw Chuck Part G03046 Quantity...

Страница 14: ... Quantity 1 Set Oil Can Part 80 100 Quantity 1 7 16 T Slot Nuts Part 35 105 Quantity 2 Vise 0 90º Adjustable Angle Part 32 110 Quantity 1 End Mill 4 FL HSS 1 4 w 3 8 Shank Part 50 402 Quantity 1 End Mill 4 FL HSS 3 8 w 3 8 Shank Part 50 406 Quantity 1 End Mill 4 FL HSS 1 2 w 3 8 Shank Part 50 410 Quantity 1 End Mill Adapter R 8 Part 65 028 Quantity 1 Lathe Bit Set Part 43 000 Quantity 1 Set AR 8 A...

Страница 15: ...d Center Part 41 004 Quantity 1 6 Adjustable Wrench Part G20006 Quantity 1 13 16 mm Open End Wrench Part G20131 Quantity 1 10 12 mm Open End Wrench Part G20101 Quantity 1 Allen Wrench 3 mm Part G20003 Quantity 1 Allen Wrench 4 mm Part C30540 Quantity 1 Allen Wrench 5 mm Part C30542 Quantity 1 Allen Wrench 8 mm Part C30536 Quantity 1 Allen Wrench 10 mm Part G20002 Quantity 1 Belt Set Millhead Belt ...

Страница 16: ...antity 1 Handle for Leadscrew Handwheel Part G01028 Quantity 1 Wrench Compound Angle Toolpost Part G06039 Quantity 1 Spanner Wrench Part G20001 Quantity 1 Metric Gear Set Gear 33 Teeth Part G10116 Quantity 1 Gear 63 Teeth Part G10117 Quantity 1 Gear 64 Teeth Part G10118 Quantity 1 Gear 66 Teeth Part G10119 Quantity 1 Gear 80 Teeth Part G10120 Quantity 1 Spindle to Motor Pulley Belt Shipped On Mach...

Страница 17: ... Series Quick Change Toolpost replaces standard turret for IMX series Live Center additional item for IMX series Superlock Vise replaces angle vise for IMS series Missing Items If you find that an item is missing or defective from 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 immed...

Страница 18: ...ccessories Figures 4 1 through 4 15 identify the major components and functions of your machine The photographs in this section depict a Granite 1324 model Distinguishing features are noted Major Features Identified 4 Machine Overview Millhead Powerhead Carriage Assembly Compound Angle Toolpost Figure 4 1 Granite 1324 Front View Tailstock ...

Страница 19: ...Figure 4 2 Granite 1324 Back View Tailstock Millhead Carriage Assembly Motor Assembly Granite 1300 Series Operator s Manual 4 2 For Assistance Call Toll Free 1 800 476 4849 ...

Страница 20: ...ring a horizontal milling operation or while changing tools D Mill Drill Spindle The mill drill spindle is an R 8 taper It holds and rotates the the tooling used during milling and drilling operation The spindle also moves in and out of the millhead quill The quill is an internal part which is not seen in this picture E Drill Press Handles The drill press handles move the quill in and out of the m...

Страница 21: ...illhead One revolution of the crank handle will move the millhead 0 25 inches I Millhead Locking Studs The locking studs secure the millhead in position Insert the millhead crank over the upper stud rotate counterclockwise to unlock the stud Repeat the process on the lower stud Position the millhead in the desired position and lock BOTH locking studs before starting your machine J Bellows Bellows ...

Страница 22: ...n Direction Handle Positioning this handle to the right causes the leadscrew to rotate clockwise Positioning to the left causes the leadscrew to rotate counterclockwise F Selector Lever 1 7 Used in conjunction with Selector Lever I III to set feed rate or pitch setting for cutting threads G Selector Lever I III Used in conjunction with Selector Lever I 7 to set feed rate or pitch setting for cutti...

Страница 23: ... the motor pulley up and down releasing tension on the belts Pull the lever down to loosen the tension on the belt and push the lever up to add tension to the belts C DC Motor Runs on standard 110 volt power A B C Figure 4 6 Granite Powerhead Parts Back View Granite 1300 Series Operator s Manual 4 6 For Assistance Call Toll Free 1 800 476 4849 ...

Страница 24: ...the factory The change gears only need to be reconfigured when cutting metric threads L 6 Change Gear C A 66 tooth gear that rides behind change gear B 60 tooth gear and is installed at the factory The change gears only need to be reconfigured when cutting metric threads L 7 Change Gear D A 60 tooth gear installed at the factory L 8 SCR Module Converts the AC power coming into the machine to DC po...

Страница 25: ...to place with the lock found on the back of the carriage The figure to the above right identifies and defines the major components of the carriage assembly A Cross SlideTable The top portion of the carriage assembly It supports the compound angle toolpost not pictured which holds the lathe cutters and tooling The table also supports your workpiece when operating the mill The cross slide table has ...

Страница 26: ...in the down position the table assembly will be powered to move right and left along the X Axis leadscrew E Longitudinal and Lateral Powerfeed Selector This selector determines whether the carriage will be powered to move along the X Axis longitudinal axis or the Y Axis lateral axis When the lever is in the upper position the table will move along the Y Axis When moved into the lower position the ...

Страница 27: ...s screw clockwise locks the carriage to the bedways L Travel Indicators mark the limit of travel on the crossfeed table Running the top portion of the indicator located on the tailstock side of the cross slide table past the lower indicator on the bottom portion of the table carriage will cause serious damage to your machine Figure 4 9 Granite Carriage Gib Adjustment Screws Quantity 4 Figure 4 11 ...

Страница 28: ...rations on the swivel base are in degrees 60º 0º 60º The following section identifies and explains the functions of the toolpost A CATP Compound Angle Toolpost Lock down handle The handle rotates counterclockwise to loosen the tension on the four position turret allowing the user to turn the turret 90º per turn Figure 4 13 Granite Carriage Gib Adjustment Screws Rear View Figure 4 14 Granite Compou...

Страница 29: ... 60º 0º 60º H Slide lock This slide lock locks the compound slide to the carriage to secure the slide in position I Compound Gib Adjustment Screws These screws press a small metal plate the gib to the ways of the bed increasing or decreasing the tension when moving the compound slide Tailstock The tailstock holds tooling that supports the end of a workpiece It also holds tooling such as center dri...

Страница 30: ...some of the modifications and improvements for the Granite MAX and Granite Industrial MAX machine series A 30 Longer Millhead An extended millhead to accept larger workpieces for more efficient milling operations B Crash Protection System Y Axis A unique shear pin design that protects your machine from major damage if the machine is run past its limits of travel Found inside the carriage assembly ...

Страница 31: ...l spindle covers and several handles should be completed according to the procedures described below Drill Chuck and Arbor Before proceeding both the arbor and the chuck should be thoroughly cleaned to ensure a good fit Once cleaned attach the chucks to the respective arbors Follow the steps below to achieve the best possible fit Step 1 Place the arbor in a freezer for about 1 hour to slightly shr...

Страница 32: ...tor pin inside the tailstock to eject the arbor when the tailstock barrel is retracted Morse Taper 3 MT3 tooling is used in the tailstock of the machine R 8 tooling is used in the millhead of the machine and used in conjunction with a drawbar Figure 5 2 Installing Arbor Plug Figure 5 3 Installing Mill Spindle Cover Do not operate your machine without the mill spindle cover Doing so could cause har...

Страница 33: ...y SAE30 weight nondetergent oil or 30 weight compressor oil Lubricants can be obtained at most home and building supply stores A lubrication point chart can be found on the backside of the millhead Lubrication Schedule Lubrication depends a lot on the use of your machine and your climate The schedule below is intended to be used as a guide use your best judgement for lubricating your machine based...

Страница 34: ...ock above the motor Be careful not to overfill the gearbox requires only 8 to 10 ounces of oil Figure 5 5 Brush a thin layer of lithium grease over the gear quadrant in the pulley box Figure 5 6 The oil level should be half way in the oil site glass located under the lathe spindle Figure 5 7 Add oil through the oil port located on the back side of the headstock Oil should be at the mid point in th...

Страница 35: ... repeat Carriage Assembly Saddle Lubricate the four oil buttons of the cross slide table There are two buttons on both the right tailstock side and left side head stock of the carriage for the ways Figure 5 8 Carriage Assembly Saddle Oil Points Granite 1300 Series Operator s Manual 5 5 For Assistance Call Toll Free 1 800 476 4849 ...

Страница 36: ...de for the cross slide ways Compound Angle Toolpost Oil the two buttons on the top of the compound rest Figure 5 9 Carriage Assembly Cross Slide Table Points Figure 5 10 Oil the Compound Angle Toolpost at its oil points 5 Preparing Your Machine For Operation 5 6 Or Visit www smithy com ...

Страница 37: ... feed handwheels at right Leadscrew Oil the support for the right end of the leadscrew Put a few drops of oil along the leadscrew itself Oil Drip Oil the end of the oil drip trough from inside the gear box Figure 5 11 A B Cross Slide Screw Apron Oil Points and Cross Slide Screw Table Oil Points Figure 5 12 Leadscrew Oil Point Figure 5 13 Oil Drip Granite 1300 Series Operator s Manual 5 7 For Assis...

Страница 38: ...lector Tailstock Barrel Oil the two buttons on top of the tailstock Mill Drill Clutch Fine Feed Oil the button on top of the mill drill clutch housing Figure 5 14 Oil the Quick Change Gear Box through the Powerfeed Slot Figure 5 15 Tailstock Barrel Oil Points Figure 5 16 Mill Drill Clutch Oil Points 5 Preparing Your Machine For Operation 5 8 Or Visit www smithy com ...

Страница 39: ...saddle two turns with the 4 mm allen wrench Step 3 Using the 4 mm Allen wrench tighten each of the four gib adjustment screws until they are lightly touching the gib Step 4 Back the gib adjustment screws out 1 8 to 1 4 turn Step 5 With the adjustment screws now set at roughly the same position make the fine adjustments on each individual screw Starting with one of the inner screws slowly tighten t...

Страница 40: ...ur gib adjustment screws until they are lightly touching the gib Step 4 Back the gib adjustment screws out 1 8 to 1 4 turn Step 5 With the adjustment screws now set at roughly the same position make the fine adjustments on each individual screw Starting with one of the inner screws slowly tighten the screw while moving the cross slide table by turning the cross slide handwheel until you feel sligh...

Страница 41: ...n Step 5 With the adjustment screws now set at roughly the same position make the fine adjustments on each individual screw Starting with the screw closest to the handle slowly tighten the screw while moving the compound angle toolpost by turning the compound slide handle until you feel slight resistance Step 6 Once slight resistance is felt hold the gib adjustment screw in position and tighten th...

Страница 42: ... inner screw in place Step 6 Repeat steps 2 through 5 on the remaining screw Figure 5 20 Gib Adjusting Screws Tailstock Shown with tailstock lock removed NOTICE There are two setscrews in each hole To tighten the tailstock gibs the outer setscrews need to be removed NOTICE Unlike the carriage cross slide and compound angle toolpost gib adjustments you will not feel a slight resistance when moving ...

Страница 43: ...the brass cross feed nut into the carriage casting There are adjustments for each of these areas Follow the procedures below to make each adjustment Adjusting Backlash Cross Slide Screw to the Front Screw Mount Step 1 Loosen the two nuts that hold the cross slide handwheel on to the end of the cross slide screw Step 2 Tighten the inner nut slowly while checking the ease of movement of the cross sl...

Страница 44: ...the table from the backside and stop before the cross slide screw comes out of the brass nut Step 4 Slowly tighten the four adjusting screws on the brass nut one at a time until a slight drag is felt while turning the cross slide handwheel It is best to continue turning the handwheel back and forth while adjusting the nut to balance ease of operation and backlash Figure 5 22 Remove mount on backsi...

Страница 45: ...feed screw and see if the gap increases slightly If so then there is some backlash in the mounting Follow the procedure below to reduce the backlash Adjusting the fit of the longitudinal feed screw to the right hand mounting trestle Step 1 Remove the retaining screw and washer in the right end of the longitudinal feed handwheel NOTICE If you find that the four adjusting screws will not stay in pla...

Страница 46: ...ed can come from two places The fit between the worm gear and the pinion gear shaft The fit of the quill gear to the quill rack Adjusting the Fit Between the Worm Gear and Pinion Gear Shaft Follow the procedure below to adjust the fit between the worm gear and pinion gear Step 1 Remove the fine feed handwheel and dial Step 2 Loosen the two setscrews that hold the left and right worm gear bearing s...

Страница 47: ...sing and repeat step 4 Step 6 Alternate moving the front a little and then the rear a little while turning the worm gear to check for binding Step 7 Stop as soon as resistance is felt in the rotation of the worm gear The adjustment is completed Step 8 Tighten the setscrews to the bearing housings to lock adjustment in place Adjusting the fit of the Quill Gear to the Quill Rack Adjusting the fit be...

Страница 48: ...asher is accessible Lock the quill in that position with the quill lock lever on the rear of the millhead Step 3 Bend the locking tab straight and use a small punch to loosen the spanner nut just enough to be able to rotate the adjustable gear with the same punch and small ham mer Step 4 With the quill still locked in position have someone turn the coarse feed handwheel clockwise until it removes ...

Страница 49: ...n the belt Step 5 Tighten the roller shaft Adjusting Lathe Belt Tension The lathe belt tensioner is made up of a Quick Release Handle and the Tension Adjustment Knobs Raise the Quick Release Handle to apply tension and down to release tension Proper setting of the tension follows Step 1 Raise Quick Release Tension handle all the way up Step 2 Adjust the tension by turning the knurled knob clockwis...

Страница 50: ...e lathe position Step 5 Plug the machine into an appropriately grounded circuit Step 6 Push the green button to start the motor There is an intentional 6 to 8 second delay before the lathe chuck begins turning To reverse the motor push the red button to stop the button Lift the cover over the rocker switch only after the motor has stopped and push the rocker switch only after the motor has stopped...

Страница 51: ...ment of the carriage assembly Disengaged the half nut Step 10 Move the longitudinal and lateral powerfeed selector to the longitudinal position Move the handle to the left and down Observe the slower longitudinal movement of the carriage assembly Step 11 Move the longitudinal and lateral powerfeed selector to the neutral position Step 12 Move the longitudinal and lateral powerfeed selector to the ...

Страница 52: ...ector to the longitudinal position Move the handle to the left and down Observe the slower longitudinal movement of the carriage assembly Step 7 Move the longitudinal and lateral powerfeed selector to the neutral position Step 8 Move the longitudinal and lateral powerfeed selector to the lateral position Move the handle to the right and up Observe the lateral movement of the cross slide table Step...

Страница 53: ...tud is rotated with the lathe chuck key to lock it securely in place Index marks on the spin dle as well as the camlock sockets must be aligned properly for installation or removal of the studs from the holes The position of the index marks on the spindle flange and on the tooling should meet at the 12 o clock position when they are in the unlocked position Standard rotation is clockwise to lock t...

Страница 54: ...lling D1 4 Camlock Tooling Tooling attaches quickly to the lathe spindle with three camlocks Step 1 Check the sockets on the spindle flange to make sure the index marks are at the 12 o clock unlocked position Step 2 Align the three mounting studs to the spindle nose and slide the chuck into place Step 3 With the chuck in position insert the chuck key provided into each Figure 6 2 D1 4 Lathe Spindl...

Страница 55: ...nt the toolpost on the table surface wherever there is a t slot that allows the tooling to reach your workpiece Installing Tooling into the Compound Angle Toolpost The four sided turret can hold up to four individual cutters up to a 1 2 inch in size To insert tooling loosen the screws on top of the turret with the provided wrench Insert tooling and tighen the screws again Each cutter can be moved ...

Страница 56: ...yway in your tooling with the key inside the mill spindle and insert the fixture in the lower mill spindle opening You can feel the key in the mill spindle with your finger It is located just beyond the tapered portion of the spindle Securing R 8 Tooling with the Drawbar Use the procedure below for the drawbar Step 1 Remove the mill spindle cap located on the top of the mill belt cover and insert ...

Страница 57: ...the drawbar only two to three turns before striking Unscrewing it further before striking the drawbar can damage the threads on the drawbar or the fixture Step 4 Continue turning the drawbar until it unscrews from the tooling Step 5 After the tool is free from the spindle hold the fixture with your free hand or use a catch box to prevent the tooling from dropping onto your machine or workpiece Fig...

Страница 58: ...hes square with four to six inch high sides Rags loosely thrown in the bottom of the box provide padding for the tool to land in when the drawbar is removed from the fixture and the fixture falls from the mill spindle NOTES 6 Tooling Installation 6 6 Or Visit www smithy com ...

Страница 59: ...ars smoothly when engaging the lathe mill clutch To change the position of the selector pull the knob outward and move the selector to the desired position There are three positions for the selector The center position is marked with an O This is the neutral position where neither the mill or lathe spindle are engaged 7 Manual Operations General Safety Operations For your own safety and the safety...

Страница 60: ...assembly or cross slide table Position the carriage assembly and table in the mid range position at the beginning of any setup to ensure the pending operation will not proceed past the mechanical limits of travel on any moveable axis Mill Drill Spindle When in the mill mode the rotating cutter can be fed down into the stationary workpiece one of two ways The spindle coarse feed is used for positio...

Страница 61: ... handwheel indicates the amount of vertical movement The dial is calibrated in 0 001 There is no powerfeed available for vertical movement of the mill spindle Cross Slide Table and Carriage Assembly In milling the crossfeed table and carriage assembly feed the workpiece into the rotating cutter In lathe work the same mechanisms move the tool into the rotating workpiece Cross Slide Table The cross ...

Страница 62: ...ckwise to move the carriage assembly toward the tailstock end of the machine and counter clockwise to move the carriage assemble toward the headstock end of the machine The longitudinal handwheel is always engaged and movement is measured by the dial behind the handwheel This feed is typically used for rapid movement of the carriage assembly Figure 7 4 The Cross Slide Table Handwheel Figure 7 5 Ma...

Страница 63: ... engaged position handle pointing down Turn the leadscrew handwheel to feed the carriage assembly left or right The movement is measured by the dial on the right end of the leadscrew This is a very precise feed that is used for most lathe and mill operations NOTES Granite 1300 Series Operator s Manual 7 5 For Assistance Call Toll Free 1 800 476 4849 ...

Страница 64: ...ned Speed is how fast the spindle rotates Feed rate is how fast the cutter moves along the workpiece Speed and feed rates are calculated based on the type of material you are cutting the size of the material and the type of cutter being used Refer to the Home Machinist Handbook Item 10 005 or Ready Reference Item 10 015 for more detail Remember speed and feed rates are given in a range and you wil...

Страница 65: ...These speeds are applicable to both the lathe and mill spindles Step 1 Refer to a machining reference guide such as the Home Machinist Handbook or Ready reference to determine the optimal rotational spindle speed for the materials and tooling you are using Step 2 Examine the decal that surrounds the variable speed selector dial to determine which of the three belt positions need to be selected ins...

Страница 66: ...t up for middle speed 400 to 1500 RPM operations Step 1 Release the belt tensioned at the motor by rotating the tension lever down Step 2 Position the belt around the center sheave of the motor and the largest sheave on the spindle pulley Step 3 Tension the belt by rotating the tension lever on the motor all the way up NOTICE The life of the electrical system will be greatly extended and available...

Страница 67: ...the end of the main drive spindle Step 5 Loosen the bolt that holds the gear quadrant and the reduction pulley bracket in place This will allow the two belts you are about to install to be properly tensioned Step 6 Place the larger of the two belts on the smallest motor pulley sheave and on the largest pulley sheave of the speed reduction pulley Place the smaller belt on the smallest sheave on the...

Страница 68: ... the headstock of your Granite 1300 series machine The chart is comprised of six vertical sections one header and five data sections and four horizontal sections one header and three data sections Section 1 is headed by the symbol at the left The meaning is Do NOT change selector handle positions while the machine is running Please stop the machine while changing feed directions gear selections fe...

Страница 69: ...in in in A B C D 7 14 28 0 125 0 250 0 500 0 039 0 079 0 157 0 35 0 70 1 75 3 50 8 16 32 0 109 0 218 0 437 0 034 0 069 0 138 0 40 0 80 1 00 2 00 4 00 9 18 36 0 097 0 194 0 388 0 031 0 061 0 122 0 45 4 50 10 20 40 0 087 0 175 0 349 0 028 0 055 0 110 0 50 1 00 1 25 2 50 5 00 11 22 44 0 079 0 159 0 317 0 025 0 050 0 100 2 75 5 50 12 24 48 0 073 0 146 0 291 0 023 0 046 0 092 0 60 1 50 0 75 3 00 6 00 1...

Страница 70: ...This symbol refers to the the inch thread pitch Inch pitches measures the distance between each thread peak Directly below this set of symbols is a row of Roman Numbers I III This row represents the position of the selector lever I III when cutting a threads or determining a feed rate Section one of the chart list the inch thread pitches that can be cut with the Granite series machines The last ro...

Страница 71: ...osition C 6 60 tooth gear in position D 7 Set the Inch Metric selector found in the pulley box to Inch Example 2 Setting to move the carriage assembly 0 0069 in per spindle revolution Locate the rate 0 159 in section 2 Follow the row over to the column next to the diagram of the meshing gears which is 5 Follow the column up to the Roman Numerals which is II To feed your carriage at this rate you w...

Страница 72: ...OTES NOTICE The feed chart on your machine is in millimeters per spindle revolution Please see Appendix B for feed rates based in inches per spindle revolution 8 Speeds Feeds 8 9 Or Visit www smithy com ...

Страница 73: ...riage assembly along the X and Y axes The carriage can be moved longitudinally and the cross slide table laterally using the powerfeed capabilities of the machine Power feeding will give a more uniform finish on the workpiece and is available for both milling and lathe work 9 Using Powerfeeds General Safety Operations For your own safety and the safety of those around you follow the rules below an...

Страница 74: ...selector must be in either the lathe or mill position according to which machine function is being used at the time CAUTION Figure 9 1 Always match the Powerfeed Function lever to the appropriate operation Figure 9 2 Selector Lever 1 7 Selector Lever I III NOTICE If the mill lathe clutch is in the mill position you must also position the powerfeed function selector in the mill position to enable t...

Страница 75: ...f the y axis is to the right and lifting up Figure 9 3 Powerfeed Engagement Lever Shown with Y Axis powerfeed engaged Figure 9 4 Half Nut Disengaged Don t allow the table to move beyond the travel limitations Before running the powerfeed do a dry run by manually feeding the cross slide table and carriage assembly the distance that you will be feeding your project This will prevent any unnecessary ...

Страница 76: ...he way to the left Step 3 Referencing the chart on the front of the machine s headstock find the desired feed rate or the closest to the listed range for your work material cutter See section 8 for a detailed chart explanation Step 4 Position the selector 1 7 into the position listed on the chart for the desired feed rate Figure 9 5 Jog Knob NOTICE When using the X Axis powerfeed for a given feed ...

Страница 77: ...achine and move the leadscrew rotation lever into the opposite direction Restart the machine and engage the powerfeed selector lever Step By Step Mill Powerfeeding Step 1 Determine the proper speed and feed rate for the material your cutting and the cutting material you will be using from a general reference guide such as the Machinist Ready Reference Step 2 With your workpiece and tooling properl...

Страница 78: ...eed has been set start the machine and engage the powerfeed selector into the desired position Pushing the lever up will run the powerfeed along the Y Axis Pushing the lever down will engage the X Axis powerfeed Step 9 To stop powerfeeding disengage the powerfeed by moving the lever into the neutral position which is half way between the Y Axis and X Axis engagement NOTICE For optimum performance ...

Страница 79: ...he carriage or cross slide table pass the end of their mechanical limits The clutch assembly is located inside the lathe pulley box It is a round flat nub in the change gear shaft with the D gear There are six setscrews above the springs and ball bearings located radially around the clutch in front of the gear The setscrews screw inward toward the center of the clutch 10 Threading General Safety O...

Страница 80: ...eter that you will be machining Step 1 Select the thread pitch which you want to cut from the chart located on the headstock of your Granite series machine The is also reprinted on page 8 5 of this manual Chose the desired pitch from the chart and follow the horizontal row and vertical columns to set the correct positions for selector levers 1 7 and selector lever I III Step 2 Consult the thread c...

Страница 81: ...r in the A position for cutting the desired thread pitch Reinstall the washer and bolt Step 4 The shaft for the B C gears mounts on a slotted plate to adjust for the different diameters of the gears There are two flats on the end of the shaft to loosen and tighten the assembly to allow for adjustment Adjust the B C gear shaft as needed to accommodate the B and C gears needed for cutting your desir...

Страница 82: ... setting is for cutting inch SAE threads Step 4 Confirm that your belts inside the pulley box are properly set up to reach the recommended spindle speed for cutting your work piece material with your specific cutter Step 5 Set your compound angle toolpost to 29 1 2º and install the E8 carbide bit that came with your machine Step 6 Inside the pulley box at the left lower side of the gear cluster is...

Страница 83: ...etric threads can be found in the section under Cutting Metric Threading on the next page The threading dial is a mechanical indicator for engaging the cutter at the exact same point for each consecutive pass The numbers on the dial have no specific reference to pitch but they provide a reference point so you can start at the earliest available point and use the same number again for each consecut...

Страница 84: ...came with your machine Step 6 Inside the pulley box at the left lower side of the gear cluster is the inch metric lever which must be pulled toward you for metric threading Step 7 Turn your machine on and adjust the variable speed to the recommended rpm Step 8 Once you have made all of your tooling and machine settings you are ready to begin the first pass Apply firm constant downward pressure on ...

Страница 85: ...dd oil if the level is below the half way point 6 Check all tooling and holding devices for tightness before you turn on the machine 7 Check the condition and tension of the drive belts After Each Use 1 Clean chip build up from machine 2 Brush chips off the longitudinal feed screw 3 Remove any excess cutting fluid that may have accumulated on the machine 4 Apply protective oil coating to all bare ...

Страница 86: ...lines 4 Lubricate the change gears in the lathe pulley box with an aerosol chain lubricant 5 Lubricate the inside of the quick change gearbox with an aerosol chain lubricate by spraying through the openings in the front of the gearbox 6 Remove and clean the lathe chuck and the spindle nose Lubricate the chuck and the cam locks with oil 7 Check all gib adjustments 8 Check and adjust backlash as nec...

Страница 87: ... gibs to bed and base loose Adjust gibs Gibs in toolpost loose Adjust gibs in toolpost Tool turret not tight Tighten toolpost Feed rate too fast Choose correct setting Gear loose Tighten gears and posts 3 Thread is not smooth Cause Solution Tool dull Sharpen tool Tool not centered Center tool Tools not mounted tight in post Remount tool Cross slide gibs to bed and base loose Adjust gibs Gibs in co...

Страница 88: ...ned Loosen gib and re tension One or more wipers mounted too low Reposition wiper s 4 Cross slide handwheel turns during cutting operations Cause Solution Cross slide brass nut worn Tighten or replace brass nut Carriage lock not tight Tighten carrriage locks Gibs too loose Readjust gibs 5 Too much backlash in the cross slide Cause Solution Loose screw Tighten screw review how to eliminate backlash...

Страница 89: ... taper bearings to return to alignment replace spindle bearings 3 Machine vibrates Cause Solution Work mounted wrong Remount work Speed too high Reduce Speed Too much pressure at tailstock Reduce pressure and increase lubrication 4 Work stops turning but machine continues to run Cause Solution Work not mounted securely Remount work Tools forced into work excessive cut Reduce force on tools Belts s...

Страница 90: ...oose Tighten quill lock Tool not on center Center tool Improper tool shape tool dull Reshape sharpen or replace tool Feed too light or slow Adjust feed rate 2 Depth of cut is not consistent Cause Solution Quill moving Lock quill Setup wrong Make sure setup is parallel to table Drilling 1 Hole is off center or bit wanders Cause Solution Bit dull Use sharp bits Bit not mounted correctly in chuck Rem...

Страница 91: ...g Apply lubricant Debris in chuck Clean chuck 5 Chuck wobbles Cause Solution Chuck loose on arbor Clean arbor and remount Drawbar not tight Clean spindle and replace drawbar Drive System 1 Turn on the machine and nothing happens Cause Solution Breaker Blown Re set circuit breaker Machine unplugged Plug in the machine Loose electrical connections Tighten wiring connections Electrical components bad...

Страница 92: ...um fit and accuracy Removing the chuck 1 The first step in removing the chuck is to place a piece of wood on top of the machine bed underneath the chuck This will protect the bed if the chuck accidentally slips out of your hand and falls onto the machine 2 There is an alignment mark on each cam and on the spindle flange adjacent to each cam Using the chuck key turn the cam counter clockwise until ...

Страница 93: ... If the cam turns less than one fourth of a turn it will be necessary to remove the chuck and adjust the corresponding chuck stud 5 Before removing the chuck mark each location on the chuck that will need adjusting 6 Remove the chuck and place it face down on a work surface 7 There is a locking screw along side each chuck stud Remove the locking screws for the studs that need adjusting 8 Unscrew t...

Страница 94: ...te than the other two Leadscrew Having trouble on the leadscrew backlash particularly on engaging the half nut Leadscrew Backlash Adjustment Excessive backlash in the longitudinal feed can come from two places 1 The fit of the longitudinal feed screw to the right hand mounting trestle 2 The fit of the half nut to the feed screw Screw to mount backlash Engage the half nut lever Slowly turn the long...

Страница 95: ...ments to the crossfeed screw system it is recommended that all the gibbs on the table and carriage system be checked and adjusted as per the owners manual Crossfeed Screw To Front Mount Slowly turn the crossfeed handle clockwise and watch the gap between the dial and the front screw support mount Change directions and note if the gap increases slightly If so this is a sign that there is some play ...

Страница 96: ...rriage The following procedure covers both adjustments at the same time 1 Remove the crossfeed screw rear support 2 Loosen the Allen head bolt that locks the brass nut into the carriage 3 Crank the crossfeed table toward the operator side of the machine Watch under the table from the backside and stop before the crossfeed screw comes out of the brass nut Figure 12 5 Crossfeed Screw Parts Figure 12...

Страница 97: ...be made using the Granite machine The wheel portion can be made from a piece of mild steel aluminum or cast iron The handle portion should be made of mild steel Hole is drilled tapped to match the thread of the handle that was selected The handle may be fabricated from scratch or purchased already made Center hole drilled 27 64 and threaded M12 x 1 25 Handwheel dimension 85mm Diameter 9mm 9mm long...

Страница 98: ... slow speed pulley full RPM with leadscrew turning counter clockwise as viewed from the right end and the gearbox set on 1 and I By having the leadscrew turning as well as the drill the drill bit will center itself and go straight down the center of the lead screw Drill the hole about 5 8 inch deep Tap the hole with the 5 16 tap Do not forget to use oil when drilling and tapping NOTES 12 Troublesh...

Страница 99: ...ion on Leadscrew 0 001 Dial Calibration on Tailstock 0 001 Dial Calibration on Longfeed Rack 0 01 Headstock Taper MT4 Lathe Chuck Max diameter workpiece 6 Lathe Chuck Min diameter workpiece 1 8 Lathe Chuck Bore 1 6 Lathe Chuck Diameter 6 Lathe Chuck Mount D1 4 Camlock Lathe Chuck Type 3 Jaw Self Centering Spindle Bore 1 125 Spindle Speeds Variable Range 0 2800 RPM X Axis Travel w tailstock install...

Страница 100: ...f Chuck GN Classic 4 5 8 GN MAX GN IMX 8 1 2 Spindle Center to Lathe Spindle Flange GN Classic 7 1 4 GN MAX GN IMX 11 1 4 Spindle Center to Support Column GN Classic 9 1 2 GN MAX GN IMAX 13 3 8 Electrical Specifications Amperage GN Classic GN MAX 15 amps GN IMAX 8 10 amps Horsepower GN Classic 1 5 HP GN MAX GN IMX 2 0 HP Motor Type GN Classic D C Variable Speed Permanent Magnet GN MAX GN IMX D C V...

Страница 101: ...ngfeed Rack 0 01 Headstock Taper MT4 Lathe Chuck Max diameter workpiece 6 Lathe Chuck Min diameter workpiece 1 8 Lathe Chuck Bore 1 6 Lathe Chuck Diameter 6 Lathe Chuck Mount D1 4 Camlock Lathe Chuck Type 3 Jaw Self Centering Spindle Bore 1 125 Spindle Speeds Variable Range 0 2800 RPM X Axis Travel w tailstock installed 20 Y Axis Travel 7 5 8 Feed Rate X Axis 0 003 0 020 Feed Rate Y Axis 0 001 0 0...

Страница 102: ...ndle Speeds Variable Range 0 2800 RPM Spindle Center to Front of Chuck GN Classic 4 5 8 GN MAX GN IMX 8 1 2 Spindle Center to Lathe Spindle Flange GN Classic 7 1 4 GN MAX GN IMX 11 1 4 Spindle Center to Support Column GN Classic 9 1 2 GN MAX GN IMX 13 3 8 Electrical Specifications Amperage GN Classic GN MAX 15 amps GN IMX 8 10 amps Horsepower GN Classic 1 5 HP GN MAX GN IMX 2 0 HP Motor Type GN Cl...

Страница 103: ... the workpiece A point on a 3 diameter shaft will pass the cutting tool three times as fast as a point an a 1 diameter shaft rotating at the same speed This is because the point travels a tripled circumference For work in any given material the larger the diameter the slower the speed in spindle revolutions needed to get the desired feet per minute fpm cutting speed Lathes cut threads in various n...

Страница 104: ... 873 960 1048 1135 1222 1310 1747 2621 1 2 382 458 535 611 688 764 840 917 993 1070 1146 1529 2293 5 8 306 367 428 489 550 611 672 733 794 856 917 1223 1834 3 4 255 306 357 407 458 509 560 611 662 713 764 1019 1529 7 8 218 262 306 349 393 426 480 524 568 611 655 874 1310 1 191 229 267 306 366 372 420 458 497 535 573 764 1146 1 1 8 170 204 238 272 306 340 373 407 441 475 509 679 1019 1 1 4 153 183 ...

Страница 105: ...good idea especially when working on long shafts to check the tightness of the lathe centers frequently and make sure workpiece expansion does not cause the centers to bind Cutting Speeds and Feeds for High Speed Steel Tools NOTICE The data table provides exact speeds RPM It does not take machine speed limitations into account Determine the desired rate of speed and find the closest speed availabl...

Страница 106: ... per minute sfm D diameter of the workpiece in inches To use this formula find the cutting speed you need on the chart and plug that number into the CS portion of the formula After calculating the rpm use the nearest or next lower speed on the lathe and set the speed If you were to make a finish cut on a piece of aluminum 1 in diameter for example you would see the desired sfm is 300 Then rpm 300 ...

Страница 107: ... Determining rpm To set the spindle speed you have to know the cutter rpm revolutions per minute For inch measurements use this formula rpm 12 x CS fpm D x where CS cutting speed fpm feet per minute D diameter of the cutter in inches 3 14 You can use an rpm chart for selected diameters of cutting tools at different cutting speeds For metric measurement use this formula rpm CS mpm x 1000 D mm x whe...

Страница 108: ...m You determine feed rate by the speed of the cutter in rpm and the num ber of teeth in the cutter There are many factors to consider in selecting the feed per tooth and there is no easy formula to follow Here are several principles to guide you Use the highest feed rate conditions allow Avoid using a feed rate below 0 001 per tooth Harder materials required lower feed rates than softer materials ...

Страница 109: ...operation performed Back rake is important to smooth chip flow which is needed for a uniform chip and good finish especially in soft materials Side rake directs the chip flow away from the point of cut Grind cutters on a true surfaced good quality medium grit grinding wheel preferably an 8 46 60A grit or 68A grit Carborundum wheel at 3000 or 3500 rpm When starting with an unground cutter bit the p...

Страница 110: ...hard cast iron requires tools with cutting edge angles as great as 85 For ordinary cast iron you obtain greatest efficiency with a more accurate cutting edge approximately 71 Figure A 6 Figure A 3 Grinding sequence for an unground cutter bit Figure A 4 When honing draw the cutter away from the cutting edge across the oilstone Figure A 5 With soft steels 61 angles are possible Figure A 6 With cast ...

Страница 111: ...ting edge This serves as a chip guide and starts the chip curling smoothly Figure A 7 Using a Center Gauge to Check V Thread Form It may be convenient to grind a standard cutter bit for thread cutting especially for cut ting standard 60 V threads When grinding an ordinary square cutter into a thread cut ting tool take care to ensure a true thread form The easiest way is to use an ordinary center g...

Страница 112: ...on and tungsten The hardness of carbide cutting materials approaches that of diamond While carbides permit easy machining of chilled cast iron hard and tough steels hard rubber bakelite glass and other difficult or unmachinable materials its primary use in industry is for long production runs on ordinary steel On such work carbide tipped tools permit higher running speeds and much longer runs betw...

Страница 113: ...mill adapters have tapered shanks Endmills machine horizontal vertical angular or irregular surfaces in making slots keyways pockets shoulders and flat surfaces Two flute or center cutting endmills have two teeth that cut to the center of the mill They may feed into the work like a drill called plunge milling then go lengthwise to form a slot Teeth may be on one end single ended or both ends doubl...

Страница 114: ...se replaceable HSS or carbide inserts Small endmills use two inserts larger endmills three or more Face milling cutters start in size at 2 and have inserted teeth on the periphery and face Most of the cutting takes place on the periphery They are similar to but larger than shell endmills Plain Milling Cutters Plain milling cutters have teeth only on their periphery Used to mill plain flat surfaces...

Страница 115: ...tting and cut off operations Plain slitting saws are thin plain milling cutters with only peripheral teeth The teeth are fine and the sides taper slightly toward the hole giving side relief Slitting saws with side teeth are like side milling cutters and are for deeper slotting and cut off operations normally done with plain slitting saws Staggered tooth slitting saws have peripheral teeth with alt...

Страница 116: ...meter This is the diameter of an imaginary cylinder superimposed on a straight screw thread the surface of which would make an equal width of the thread and the spaces cut by the cylinder Lead The lead is the distance a screw thread advances axially as through a nut with one complete revolution The lead and pitch of a single thread are identical but they differ on multiple threads the lead of a do...

Страница 117: ...le rotation and or cutting off the backside With practice you can grind cutters to almost any profile It is difficult however to sharpen such cutters without altering the cutting form and almost every resharpening requires a complete regrinding of profile and clearance angles After turning the work to be threaded to the outside diameter of the thread and setting the gears for the desired thread pu...

Страница 118: ...ial once again matches the hashmark Using a screw pitch gauge check the thread pitch The benefit of taking the light cut is that you can correct any mistakes you might have made It s time to take the real cut now so apply the appropriate cutting fluid to the work Feed the compound feed in 0 005 0 020 for the first run depending on the pitch of the thread you have to cut If you are cutting a coarse...

Страница 119: ...ing Internal Threads Internal thread cutting is like external thread cutting except you have the clearance restrictions and tool problems of boring You use the same toolholders but the cutters have thread forms and are fed at thread cutting ratios of feed to spindle revolutions Another difference between boring and inside threading is the cutting angle at which the cutter approaches the workpiece ...

Страница 120: ...that calls for special attention in cutting special shaped internal threads the difference of clearances between the nut and screw recommended for different thread types If you don t have recommended clearances it is safe to cut a nut internal thread thread 0 005 to 0 010 per inch larger than the screw s outside diameter Cutting Threads on a Taper Cut thread on a taper the same as on a straight sh...

Страница 121: ...2 0 0031 0 0039 0 0020 0 0010 0 0115 0 0057 0 0029 0 0036 0 0018 0 0009 0 0106 0 0053 0 0026 0 0033 0 0017 0 0008 Distance traveled per Spindle Revolution I II III I II III 0 70 0 35 3 50 1 75 0 80 0 40 4 00 2 00 1 00 0 45 4 50 1 00 0 50 5 00 2 50 1 25 5 50 2 75 0 60 6 00 3 00 1 50 6 50 3 25 I II III 7 14 28 8 16 32 9 18 36 10 20 40 11 22 44 12 24 48 13 26 52 1 2 3 4 5 6 7 Gear Selection X Teeth p...

Страница 122: ...ne 1 year form the date of purchase a SmithyCNC machine and or control system fails due to defect in material or workmanship SmithyCNC will at their choice repair and or replace components with new or remanufactured parts free of charge Some have asked why SmithyCNC machines have a shorter warranty period than Smithy manual machines There are several reasons but the greatest factor is that on aver...

Страница 123: ...cific legal rights and you may also have other rights which vary from state to state Some states do not allow the exclusion or limitation of incidental or consequential damages so the above limitation or exclusions may not apply to you Telephone Support Service engineers are available 8 am to 5 pm EST Service and Parts Tel No 1 800 476 4849 Fax No 1 734 913 6663 Email Address sales smithy com Soft...

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