Southbend SB1027 owner manual Spindle Brake, Positions of the auto-downfeed rate Selector

Page 41

For Machines Mfg. Since 8/09

O P E R A T I O N

Model SB1027

To avoid the risk of gear damage, always start spindle rotation before using the auto- downfeed rate selector.

7.Select one of the three downfeed rates by pulling the auto-downfeed rate selector knob out, position the selector over the appropriate detent, then release the knob. Make sure the pin is firmly seated by attempting to move the selector without pulling the knob out.

Note: Refer to the illustration in Figure 41 when selecting the downfeed rate.

H

L

M

H = 0.006 in./rev. L = 0.0015 in./rev. M = 0.003 in./rev.

(Rates given in inches of travel per revolution of the spindle)

Figure 41. Positions of the auto-downfeed rate

selector.

8.Use the coarse downfeed lever to lower the spindle slightly until you can pull the clutch lever out to the left and it locks in place, which will start the auto-downfeed spindle travel.

Spindle Brake

When pressed backward, the spindle brake lever (see Figure 42) activates a switch that turns the spindle motor OFF and engages drum-type brake pads to stop spindle rotation.

Spindle

Brake Lever

Figure 42. Location of the spindle brake lever.

-39-

Image 41
Contents 48 EVS Milling Machine Customer Service UpdatesScope of Manual Manual FeedbackTable of Contents Parts About This Machine FeaturesForeword CapabilitiesSB1027 full view identification Full View IdentificationSB1027 drive system and headstock identification Drive System, Headstock, & Control Panel IdentificationMachine Specifications Motors Coolant Pump Other Specifications Understanding Risks of Machinery Basic Machine SafetyF E T Y Additional Milling Machine Safety Things Youll Need Preparation OverviewInventory UnpackingBasic steps for removing rust preventative Cleaning & ProtectingBefore cleaning, gather the following Location To lift and move the mill Lifting & MovingLeveling Leveling & Mounting Bolting to Concrete FloorsTo install the ball handles AssemblyBall Handles Axis CrankSplash Pan & Coolant Return Hoses Way CoversInitial Lubrication Power ConnectionTo connect the mill to power To test run the machine Test RunLocation of the main power switch on Electrical box door To test the X-axis power feed unit and table limit switch Spindle Break-In Inspections AdjustmentsTo perform the spindle break-in procedure A typical milling operation, the operator does the following Operation OverviewControl Panel Graduated Index Rings Table MovementTable Locks To operate the X-axis power feed Axis Power FeedTilting Head Head MovementTramming Spindle Rotating HeadTools Needed Qty To tram the spindle to the tableTable Top View Rotating Ram Ram MovementMoving Ram Back and Forth Setting Spindle Speed Range Setting Spindle SpeedDetermining Spindle Speed To set the spindle speed rangeDownfeed Controls Setting Spindle SpeedUsing the Coarse Downfeed Handle Manual Disengaged Position Auto-Downfeed Engaged Position Fine Downfeed Controls Using the Fine Downfeed HandwheelTo use the auto-downfeed system Using the Auto-Downfeed SystemPositions of the auto-downfeed rate Selector Spindle BrakeUnloading Tooling Loading/Unloading ToolingLoading Tooling Before Beginning Operations Maintenance Schedule Machine StorageOngoing Daily, After OperationsSB1027 Month/YearUnpainted & Machined Surfaces CleaningLubrication Table Ways One-Shot Oiler QuillHead & Ram Rack & Pinion Gear Speed Range Bearing Sleeve Ram WaysHeadstock Gearing Table Elevation Leadscrew Power Feed GearsTo lubricate the power feed gears Power feed brass gear and leadscrew Alignment key To check the coolant level Coolant ReservoirChecking Coolant Level To change the coolant Changing CoolantDisconnect Mill from Power Adjusting GibsAdjusting Leadscrew Backlash Cross Leadscrew Backlash Longitudinal Leadscrew BacklashTo re-tension the belts Belt TensioningSymptom Possible Cause Possible Solution For Machines Mfg. Since 8/09 Trou B Leshooti NG Model SB1027 Wiring Diagram Color KEY Electrical Safety InstructionsUpper Electrical Panel Freq drive wiringLower Electrical Panel Electrical panel wiringControl panel wiring Control Panel WiringElectrical Component Pictures Control panel wiringHeadstock Description Headstock Parts ListIndicator ROD Lock Knob Quill Gearbox Description Gearbox Parts ListBelt Housing Belt Housing Parts List Ram Column, Knee & Saddle Saddle GIB Column, Knee & Saddle Parts List736A Available only as a set 713 711 744 737 710 Table Parts List C D E F G H One-Shot OilerThreaded Hose Clamp 3/4 Coolant SystemElectric Box & Control Panel Fuse 20A Electric Box & Control Panel Parts ListTools Machine Labels a 220V 1PH Label Machine Labels BR R a N T Y Southbendlathe.com