Page 3 - Table of Contents
Table of Contents INTRODUCTION About These Machines......................................... 3 Foreword ............................................................. 3 Capabilities ......................................................... 3 Features .....................................................
Page 5 - I N T R O D U C T I O N; About These Machines; Capabilities; Features
For Machines Mfg. Since 8 / 09 SB1024 / SB1025/ SB1026 -3- I N T R O D U C T I O N About These Machines Capabilities These Milling Machines are built for daily, non-stop use in a busy industrial setting, tool room, or school shop. They are easy to set-up, truly accurate, and built to give you long y...
Page 6 - Front View Identification
-4- For Machines Mfg. Since 8 / 09 SB1024 / SB1025/ SB1026 I N T R O D U C T I O N Front View Identification Figure 1. Identification—front view (Model SB1024 shown). Halogen Work Light Left X-Axis Ball Handle One- Shot Oiler Mounting Points (1 of 4) Y-Axis Ball Handle Knee Electrical Cabinet Right X...
Page 9 - Machine Specifications
For Machines Mfg. Since 8 / 09 SB1024 / SB1025/ SB1026 -7- I N T R O D U C T I O N Model SB1024 9" x 42" Variable Speed Milling Machine w/Power Feed Product Dimensions: Weight .......................................................................................................................
Page 15 - S A F E T Y; Understanding Risks of Machinery
For Machines Mfg. Since 8 / 09 SB1024 / SB1025/ SB1026 -13- S A F E T Y Understanding Risks of Machinery Operating all machinery and machining equipment can be dangerous or relatively safe depending on how it is installed and maintained, and the operator's experience, common sense, risk awareness, w...
Page 17 - Additional Milling Machine Safety
For Machines Mfg. Since 8 / 09 SB1024 / SB1025/ SB1026 -15- S A F E T Y Additional Milling Machine Safety 6. Stopping Spindle: To reduce the risk of hand injuries or entanglement hazards, DO NOT attempt to stop the spindle with your hand or a tool. Allow the spindle to stop on its own or use the spi...
Page 18 - P R E P A R A T I O N; Preparation Overview; For Power Connection; For Assembly
-16- For Machines Mfg. Since 8 / 09 SB1024 / SB1025/ SB1026 P R E P A R A T I O N Preparation Overview Things You'll Need During the setup process, operation, and maintenance of the machine, you'll need the following items: For Lifting (Page 20) s !FORKLIFTOROTHERPOWERLIFTINGDEVICE rated for more th...
Page 19 - Unpacking
For Machines Mfg. Since 8 / 09 SB1024 / SB1025/ SB1026 -17- P R E P A R A T I O N Unpacking This item was carefully packaged to prevent damage during transport. If you discover any damage, please immediately call Customer Service at (360) 734-1540 for advice. You may need to file a freight claim, so...
Page 20 - Basic steps for removing rust preventative:; Cleaning & Protecting
-18- For Machines Mfg. Since 8 / 09 SB1024 / SB1025/ SB1026 P R E P A R A T I O N The unpainted surfaces are coated at the factory with a heavy-duty rust preventative that prevents corrosion during shipment and storage.The benefit of this rust preventative is that it works very well. The downside is ...
Page 21 - Weight Load; Space Allocation; Location
For Machines Mfg. Since 8 / 09 SB1024 / SB1025/ SB1026 -19- P R E P A R A T I O N = Power connection 66" 36" 24" 38" 81 1 ⁄ 2 " 23" 30" Wall W all 30" Figure 5. Space required for full range of movement. Weight Load Refer to the Machine Specifications for the weight of...
Page 22 - To lift and move the mill:
-20- For Machines Mfg. Since 8 / 09 SB1024 / SB1025/ SB1026 P R E P A R A T I O N Lifting & Moving This machine and its parts are heavy! Serious personal injury may occur if safe moving methods are not used. To reduce the risk of a lifting or dropping injury, ask others for help and use power eq...
Page 23 - Bolting to Concrete Floors
For Machines Mfg. Since 8 / 09 SB1024 / SB1025/ SB1026 -21- P R E P A R A T I O N Bolting to Concrete Floors Figure 8. Common types of fasteners for bolting machinery to concrete floors. Leveling & Mounting Leveling Figure 7. Example of a precision level. Leveling machinery helps precision compo...
Page 24 - Assembly; Ball Handles; To install the ball handles:; Knee Crank
-22- For Machines Mfg. Since 8 / 09 SB1024 / SB1025/ SB1026 P R E P A R A T I O N Assembly Ball Handles The ball handles for either end of the X-axis leadscrew have spring-loaded, keyed center bushings, as shown in Figure 9 . This allows them to disengage from the leadscrew when using the power feed...
Page 25 - Way Covers
For Machines Mfg. Since 8 / 09 SB1024 / SB1025/ SB1026 -23- P R E P A R A T I O N Way Covers 1. Remove the five button-head cap screws shown in Figure 11 from the front of the saddle and knee, position the pleated way cover in place, then secure it with the removed cap screws. 2. Remove the four but...
Page 26 - Power Connection
-24- For Machines Mfg. Since 8 / 09 SB1024 / SB1025/ SB1026 P R E P A R A T I O N Power Connection SB1025 (220V 3-Phase) Full Load Amp Draw ........................... 6/5.6 AmpsRequired Voltage Range ................................ 220VPhase ...........................................................
Page 27 - Test Run; To test run the machine:; Initial Lubrication
For Machines Mfg. Since 8 / 09 SB1024 / SB1025/ SB1026 -25- P R E P A R A T I O N Test Run After all preparation steps have been completed, the machine and its safety features must be tested to ensure correct operation. If you discover a problem with the operation of the machine or its safety compon...
Page 29 - To perform the spindle break-in procedure:
For Machines Mfg. Since 8 / 09 SB1024 / SB1025/ SB1026 -27- P R E P A R A T I O N Inspections & Adjustments The following list of adjustments were performed at the factory before the machine was shipped: s Gib Adjustment ................................. Page 58 s Leadscrew Backlash Adjustment ....
Page 30 - O P E R A T I O N; Operation Overview
-28- For Machines Mfg. Since 8 / 09 SB1024 / SB1025/ SB1026 O P E R A T I O N Operation Overview The purpose of this overview is to give an example of a typical milling operation. Read through the steps below to better understand the controls and functions described later in this manual, so that you...
Page 31 - Control Panel
For Machines Mfg. Since 8 / 09 SB1024 / SB1025/ SB1026 -29- O P E R A T I O N Control Panel Use Figures 15–16 and the following descriptions to understand the functions of the mill control panel. ON Button: Allows power flow to the motor. The spindle direction switch must be used to start the spindl...
Page 32 - Graduated Index Rings; Table Locks
-30- For Machines Mfg. Since 8 / 09 SB1024 / SB1025/ SB1026 O P E R A T I O N Graduated Index Rings The table ball handles and elevation crank have graduated index rings attached (see Figure 18 ) that are used to accurately determine table movement in increments, as listed in the table below: Axis I...
Page 34 - Head Movement; Tilting Head
-32- For Machines Mfg. Since 8 / 09 SB1024 / SB1025/ SB1026 O P E R A T I O N Head Movement The head tilts 45° back and forth, and rotates 90° left and right, as shown in Figures 21–22 . Figure 22. Head tilts 90° left-and-right. 90° Figure 21. Head tilts 45° back-and-forth. 45° Tool Needed Qty Wrenc...
Page 35 - Rotating Head; Tramming Spindle
For Machines Mfg. Since 8 / 09 SB1024 / SB1025/ SB1026 -33- O P E R A T I O N Rotating Head 1. DISCONNECT MILL FROM POWER! 2. Loosen the four rotation lock bolts on the face of the head shown in Figure 24 . 3. Use one hand to apply pressure to the head in the direction of tilt, then slowly turn the ...
Page 36 - To tram the spindle to the table:
-34- For Machines Mfg. Since 8 / 09 SB1024 / SB1025/ SB1026 O P E R A T I O N Tools Needed Qty Dial Test Indicator (with at least 0.0005" resolution) .................. 1 Indicator Holder (mounted on the quill/spindle) ...................... 1 Precision Parallel Block (at least 9" in length)...
Page 38 - Rotating Ram; Ram Movement
-36- For Machines Mfg. Since 8 / 09 SB1024 / SB1025/ SB1026 O P E R A T I O N Rotating Ram 1. DISCONNECT MILL FROM POWER! 2. Loosen the four lock bolts on top of the turret (see Figure 30 ). Note: There are two lock bolts on either side of the ram. Figure 30. Ram rotating controls. Rotation Scale Lo...
Page 39 - Setting Spindle Speed; Setting Spindle Speed Range; Determining Spindle Speed
For Machines Mfg. Since 8 / 09 SB1024 / SB1025/ SB1026 -37- O P E R A T I O N Setting Spindle Speed Setting Spindle Speed Range Setting the spindle speed range involves engaging and disengaging a spindle spline that uses gearing to increase or decrease the range of spindle speeds. The procedures to ...
Page 40 - Setting SB1024 Spindle Speed Range
-38- For Machines Mfg. Since 8 / 09 SB1024 / SB1025/ SB1026 O P E R A T I O N 3. Press the spindle speed range lever shown in Figure 32 toward the head to release the detent pin from the detent plate, move selector so that the pin is over the other detent, then release the selector. — When the selec...
Page 42 - Meshing Spindle & Spindle Clutch
-40- For Machines Mfg. Since 8 / 09 SB1024 / SB1025/ SB1026 O P E R A T I O N 5. Move the high/low range lever back to the right side of the head (see Figure 33 . Note: Make sure that the range lever is as far back as it will go before starting the spindle rotation. Tip: When the spindle speed range...
Page 43 - Setting SB1024 Spindle Speed
For Machines Mfg. Since 8 / 09 SB1024 / SB1025/ SB1026 -41- O P E R A T I O N Setting Spindle Speed The Model SB1024 uses a variable pulley system to set infinite speeds within the speed range selected. The Model SB1025/SB1026 requires re-positioning the V-belt on the pulleys to change spindle speed...
Page 44 - Low Spindle; High Spindle
-42- For Machines Mfg. Since 8 / 09 SB1024 / SB1025/ SB1026 O P E R A T I O N Setting SB1025/SB1026 Spindle Speed 1. DISCONNECT MILL FROM POWER! 2. Remove the belt housing side covers on both sides of the head to expose the V-belt and pulleys, as shown in Figure 35 . 3. Loosen the two motor lock lev...
Page 45 - Downfeed Controls
For Machines Mfg. Since 8 / 09 SB1024 / SB1025/ SB1026 -43- O P E R A T I O N Figure 37. Model SB1026 V-belt positions and speeds. Motor Spindle SB1026 Low Spindle Speed Range 80 140 220 325 SB1026 High Spindle Speed Range Motor Spindle 710 1170 1860 2800 5. To re-tension the V-belt, push the adjust...
Page 47 - Fine Downfeed Controls
For Machines Mfg. Since 8 / 09 SB1024 / SB1025/ SB1026 -45- O P E R A T I O N Fine Downfeed Controls There are a number of devices on the head that are used with the fine downfeed handwheel or the auto-downfeed system. Refer to Figure 41 and the descriptions below to become familiar with these contr...
Page 48 - Using the Auto-Downfeed System
-46- For Machines Mfg. Since 8 / 09 SB1024 / SB1025/ SB1026 O P E R A T I O N Using the Auto-Downfeed System When using the auto-downfeed system, the spindle will move in the direction you choose with the auto-downfeed direction pin. When the quill dog reaches the top or meets the downfeed stop, the...
Page 49 - Spindle Brake
For Machines Mfg. Since 8 / 09 SB1024 / SB1025/ SB1026 -47- O P E R A T I O N 7. Select one of the three downfeed rates by pulling the knob of the auto-downfeed rate selector out, position the selector over the appropriate detent, then release the knob. Make sure the pin is firmly seated by attempti...
Page 50 - Loading Tooling; Unloading Tooling
-48- For Machines Mfg. Since 8 / 09 SB1024 / SB1025/ SB1026 O P E R A T I O N Loading/Unloading Tooling The mill is equipped with an R8 spindle taper and a 7 ⁄ 16 "-20 x 18 1 ⁄ 2 " spindle drawbar that includes one spacer for tool attachment flexibility (see Figure 46 ). Tool Needed Qty Wren...
Page 51 - M A I N T E N A N C E; Maintenance Schedule; Ongoing; Daily, After Operations
For Machines Mfg. Since 8 / 09 SB1024 / SB1025/ SB1026 -49- M A I N T E N A N C E Maintenance Schedule Each operator of this machine is responsible for ensuring proper care of the equipment. We strongly recommend that all operators make a habit of following the daily maintenance procedures. For opti...
Page 53 - Unpainted & Machined Surfaces
For Machines Mfg. Since 8 / 09 SB1024 / SB1025/ SB1026 -51- M A I N T E N A N C E Lubrication The mill has numerous moving metal-to-metal contacts that require regular and proper lubrication to ensure efficient and long-lasting operation, and to protect your investment. Other than the lubrication po...
Page 54 - Quill
-52- For Machines Mfg. Since 8 / 09 SB1024 / SB1025/ SB1026 M A I N T E N A N C E Quill Oil Type ...... Mobil Vactra 2 or ISO 68 EquivalentOil Amount .......................................... Fill Oil CupCheck/Add Frequency ..............4 hrs. of Operation Lift the oil cup cap shown in Figure 49 t...
Page 55 - Headstock Gearing
For Machines Mfg. Since 8 / 09 SB1024 / SB1025/ SB1026 -53- M A I N T E N A N C E Speed Range Bearing Sleeve (SB1024 Only) Oil Type ...... Mobil Vactra 2 or ISO 68 EquivalentOil Amount .......................................... Fill Oil CupCheck/Add Frequency ............40 hrs. of Operation Lift th...
Page 56 - Ram Ways; Table Elevation Leadscrew; To lubricate the power feed gears:
-54- For Machines Mfg. Since 8 / 09 SB1024 / SB1025/ SB1026 M A I N T E N A N C E Ram Ways Oil Type ...... Mobil Vactra 2 or ISO 68 EquivalentOil Amount ............................................. Thin CoatCheck/Add Frequency ............40 hrs. of Operation Move the ram back and forth as necessar...
Page 58 - Hazards; To clean out the coolant reservoir:
-56- For Machines Mfg. Since 8 / 09 SB1024 / SB1025/ SB1026 M A I N T E N A N C E The cavity in the base of the mill can be used as a coolant reservoir if you choose to install a recirculating coolant pump accessory. This reservoir also catches any coolant and debris that falls from the table and th...
Page 59 - Machine Storage
For Machines Mfg. Since 8 / 09 SB1024 / SB1025/ SB1026 -57- M A I N T E N A N C E Machine Storage To avoid rust problems or corrosion damage, use the following information to protect your investment when storing the mill for any length of time. s $)3#/..%#4-),,&2/-0/7%2 s ,UBRICATETHEMILLASDIREC...
Page 60 - S E R V I C E; Adjusting Gibs
-58- For Machines Mfg. Since 8 / 09 SB1024 / SB1025/ SB1026 S E R V I C E Adjusting Gibs Gibs are tapered lengths of metal that are sandwiched between two moving surfaces. Gibs control the gap between these surfaces and how they slide past one another. Correctly adjusting the gibs is critical to pro...
Page 61 - Longitudinal Leadscrew Backlash
For Machines Mfg. Since 8 / 09 SB1024 / SB1025/ SB1026 -59- S E R V I C E Adjusting Leadscrew Backlash Leadscrew backlash is the amount of motion the leadscrew rotates before the attached device begins to move. Although the mill is equipped with double-bronzed longitudinal and cross leadscrew nuts t...
Page 62 - Cross Leadscrew Backlash
-60- For Machines Mfg. Since 8 / 09 SB1024 / SB1025/ SB1026 S E R V I C E Figure 65. Ball handle, rings, and key removed from the cross leadscrew. Cross Leadscrew 4. Remove the four cap screws from the bearing housing, then slide it off the leadscrew (see Figure 66 ). Note: It may be necessary to us...
Page 63 - T R O U B L E S H O O T I N G
For Machines Mfg. Since 8 / 09 SB1024 / SB1025/ SB1026 -61- T R O U B L E S H O O T I N G If you need replacement parts, or if you are unsure how to do any of the solutions given here, feel free to call us at (360) 734-1540. Symptom Possible Cause Possible Solution Machine does not start or a breake...
Page 65 - E L E C T R I C A L; Electrical Safety Instructions
For Machines Mfg. Since 8 / 09 SB1024 / SB1025/ SB1026 -63- E L E C T R I C A L Electrical Safety Instructions These pages are accurate at the time of printing. In the constant effort to improve, however, we may make changes to the electrical systems of future machines. Study this section carefully....
Page 66 - Wiring Overview; WIRING DIAGRAM COLOR KEY
-64- For Machines Mfg. Since 8 / 09 SB1024 / SB1025/ SB1026 E L E C T R I C A L Wiring Overview The photos and diagrams included in this section are best viewed in color. You can see them in color at www.southbendlathe.com. BLACK WHITE GREEN RED BLUE BROWN GRAY ORANGE YELLOW YELLOWGREEN PURPLE PINK ...
Page 71 - SB1025 Electrical Components
For Machines Mfg. Since 8 / 09 SB1024 / SB1025/ SB1026 -69- E L E C T R I C A L Ground Hot Hot Ground 6-20 Plug (As Recommended) Spindle Direction/Speed Switch (Both Sides Shown) Power Indicator Emergency Stop Spindle Start Spindle Stop 220VAC G 1 2 X1 X2 3 9 13 1 5 17 21 12 16 4 8 20 24 4 1 2 2 1 1...
Page 72 - SB1025 Electrical Component Pictures
-70- For Machines Mfg. Since 8 / 09 SB1024 / SB1025/ SB1026 E L E C T R I C A L Figure 72. SB1025 Electrical box. Figure 73. SB1025 Work lamp. Figure 74. SB1025 Motor junction box. SB1025 Electrical Component Pictures Figure 75. SB1025 Control panel.
Page 73 - P A R T S; Headstock
For Machines Mfg. Since 8 / 09 SB1024 / SB1025/ SB1026 -71- P A R T S Headstock 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73A 74 75 76 78 ...
Page 74 - Headstock Parts List
-72- For Machines Mfg. Since 8 / 09 SB1024 / SB1025/ SB1026 P A R T S Headstock Parts List REF P A RT # DESCRIPTION REF P A RT # DESCRIPTION 1 PSB10240449 ROUND KNOB 3/8-16 5 0 PSB1024003 7A CLUSTER GE A R SH A FT 18T/12T 2 PSB10240002 PINION SH A FT LEVER 5 1 PSB1024003 7A FEED DRIVE CLUSTER GE A R...
Page 82 - SB1024 Belt Housing Parts List
-80- For Machines Mfg. Since 8 / 09 SB1024 / SB1025/ SB1026 P A R T S SB1024 Belt Housing Parts List REF P A RT # DESCRIPTION REF P A RT # DESCRIPTION 401 PC A P14 C A P SCREW 3/8-16 X 1 44 7 PSB1024044 7 BR A KE SHOE SET 402 PLW06M LOCK W A SHER 10MM 448 PR4 7 M EXT RET A INING RING 13MM 403 A PSB1...
Page 85 - Ram
For Machines Mfg. Since 8 / 09 SB1024 / SB1025/ SB1026 -83- P A R T S Ram 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 530A 533 534 535 504 510 504 514 515 516 515 504 For Refer ence Only
Page 86 - Ram Parts List
-84- For Machines Mfg. Since 8 / 09 SB1024 / SB1025/ SB1026 P A R T S Ram Parts List REF P A RT # DESCRIPTION REF P A RT # DESCRIPTION 5 01 PC A P31M C A P SCREW M8-1.2 5 X 2 5 5 1 7 PSB10240 5 1 7 TILT PIVOT STUD 5 02 PRP90M ROLL PIN 8 X 30 5 18 PSB10240 5 18 TILT LOCK BOLT BUSHING 5 03 PSB10240 5 ...
Page 90 - Table Parts List
-88- For Machines Mfg. Since 8 / 09 SB1024 / SB1025/ SB1026 P A R T S Table Parts List REF P A RT # DESCRIPTION REF P A RT # DESCRIPTION 7 01 PN01 HEX NUT 1/2-20 7 23 A PSB10240 7 23 A LONGITUDIN A L B A LL H A NDLE A SSY 7 02 PSB10240 7 02 H A NDLE 7 23 PSB10240 7 23 A LONGITUDIN A L B A LL H A NDL...
Page 93 - SB1025 Electrical Box & Control Panel
For Machines Mfg. Since 8 / 09 SB1024 / SB1025/ SB1026 -91- P A R T S SB1025 Electrical Box & Control Panel Electrical Box Control Panel 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 905 REF P A RT # DESCRIPTION REF P A RT # DESCRIPTION 901 PSB10240901 TR A NSFORMER 24-440V YJ ...
Page 94 - Accessories
-92- For Machines Mfg. Since 8 / 09 SB1024 / SB1025/ SB1026 P A R T S Accessories 1001 1002 1003 1004 1005 1006 1007 REF P A RT # DESCRIPTION REF P A RT # DESCRIPTION 1001 PWR1921C CLOSED END WRENCH 19/21MM 100 5 PSDF2 FL A T SCREWDRIVER #2 1002 PWR1214 WRENCH 12/14MM 1006 PSDP2 PHILLIPS SCREWDRIVER...