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Summary of Contents for Milltronics SL6 Series
- Page 1 Instruction Handbook for SL6&10 Series Lathes Milltronics Manufacturing Company 1400 Mill Lane Waconia, MN 55387 USA Phone 952-442-1410 Fax 952-442-6457 www.milltronics.net Rev 1 3-3-2015...
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Page 3: Table Of Contents
NSTRUCTION ANDBOOK 1973 ERVING THE ETAL UTTING NDUSTRY INCE • W 1400 M , MN 55387 ACONIA : 952.442.6455 • F : 952.442.6457 Table Of Contents Chapter 1 - Safety ......................1 Safety Checklist......................2 Basic Points Of Safety....................2 Clothing and Personal Safety.................. - Page 5 Hydraulic Valves, Pressure Switches, and Gauges............ 39 Hydraulic Chuck Proximity Switch Adjustment ............41 Hydraulic Tailstock Speed Adjustment ............... 41 Chapter 7 – 8200 CNC Operation ................. 43 Milltronics 8200 CNC Front Panel ................43 Power ON........................43 Power OFF ......................... 43...
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Page 7: Chapter 1 - Safety
Chapter 1 - Safety The general principles for safe operation of Milltronics machines are outlined in this manual. Every Milltronics machine is engineered for safety. You will note, for example, that all rotating parts are protected by specially designed covers. On some models, the... -
Page 8: Safety Checklist
Safety Checklist • Always observe the safety instructions inscribed on the safety labels fixed onto the machine. Do not remove or alter these labels. • Do not attempt to operate this machine until you have read the manuals supplied with the machine and understand each of the functions and operation methods. •... -
Page 9: Clothing And Personal Safety
• Do not subject the CNC control unit, the operator’s panel, or the electrical control panel to strong voltage fluctuations. • Do not change any machine parameter values without consulting Milltronics service department. If it becomes necessary to change a value, first check if it is safe to do so, then make a note of the original value so it can be reset if necessary. - Page 10 • Always completely fasten buttons and hooks on the arms of clothing to avoid danger of entanglement in machine mechanisms. • Do not operate the machine under the influence of drugs or alcohol. • If wearing gloves to load or unload parts, be sure the machine is in emergency stop mode.
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Page 11: Safety Related To Workpiece Machining And Tooling
1 - S HAPTER AFETY Safety Related to Workpiece Machining And Tooling 1. DANGER • Never operate the spindle above the rated speed of accessories mounted on it (chucks, tooling, etc). • Do not extend stock out of a lathe headstock without an appropriate bar feed or support. -
Page 12: Electrical Safety
• Ensure all hardware is tight and properly tightened after performing maintenance operations. Electrical Safety Read and understand the following list of cautions before attempting to perform service on this equipment. Failure to observe these rules can result in death or serious injury. -
Page 13: Machine Safety Labels
1 - S HAPTER AFETY Maintenance should not be performed on a machine under power. For even the most routine day-to-day maintenance, such as cleaning the table or removing chips from the machining enclosure, the machine should be put in an emergency stop condition, de- energizing the axis servo motors and spindle motor. -
Page 14: Safety And Maintenance Label Locations And Descriptions
Safety and Maintenance Label Locations and Descriptions Item Description Page Danger and Safety Precaution Extended Material/Stock Danger Chip Auger/Conveyor Hazard Main Power Hazard and Notice Read and Understand Warning Auger warning Warmup and daily checks Hydraulic Oil Maintenance Notice Lathe Safety Operation Instructions Waylube maintenance... - Page 15 1 - S HAPTER AFETY Read and understand all Safety, Operation, and Maintenance labels affixed to the machine to ensure safety and reliability. Located at headstock end near spindle through hole. Located around hazard areas on models equipped with chip conveyor. Located near main power disconnect switch on all models.
- Page 16 Located at front center on machines where main labels are placed in another location. Located at front of lathe near operator station where it is clearly visible. Important safety guidelines that must be observed. All models, located near operator station. Perform all checks to prevent damage and ensure reliable operation.
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Page 17: Chapter 2 - Specification
Chapter 2 - Specification Basic Machine Specifications Machine Model SL10 CAPACITY Swing Over Way Cover 20" 510 mm Swing Over Carriage 9" 230 mm Bar Capacity, Diameter 1.65" 42 mm 2.55" 65 mm Chuck Size 6" 152 mm 10" 250 mm Machine Weight 7000 lb 3180 kg... -
Page 18: Control Instructions, Schematics
(if applicable) are located in the electrical and mechanical manual. Tooling Specifications Milltronics SL series lathes come equipped for various tooling sizes depending on machine model and turret size selected. Please refer to your machine order or dealer to find out what tooling is required for your particular machine. -
Page 19: Sl Series Machine Layout
2 - S HAPTER PECIFICATION SL Series Machine Layout... - Page 20 Item Identification Worklight Tool Turret and Tailstock Operator panel Setup/door switch Waylube unit and hydraulic fluid level indicator.
- Page 21 2 - S HAPTER PECIFICATION Hydraulic valves, pressure switches, and gauges Conveyor Chute and chip bucket (option) Leveling bolt and pad Coolant tank with level indicator Coolant pump (facing rear of machine) Spindle, chuck, and parts catcher Main power disconnect switch (Located at rear of machine)
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Page 23: Chapter 3 - Site Preparation
1. At least 4” thick concrete slab free of cracks and not crossing any expansion joints. Milltronics will not guarantee machine geometry unless this is adhered to. 2. Ample ceiling height, and clearance behind the machine to fully open the door of the electrical cabinet at the rear of the machine. -
Page 24: Power And Ground Requirements
4. Milltronics does not allow the use of a separate grounding rod. 5. Milltronics does not allow conduit or wire raceways be used as a ground. 6. If a transformer is used to step the voltage down to 220 refer to the transformer grounding procedures immediately following this page. -
Page 25: Connecting A Transformer
3 – S HAPTER REPARATION Connecting a Transformer It is important that proper grounding procedures be followed when hooking up machines to power. Please review the following pages. They explain proper transformer connections and checks to ensure proper connections. Refer to the autotransformer diagram provided to verify that your connections are suitable. -
Page 26: Autotransformer Connection Diagram
Autotransformer Connection Diagram If your machine was ordered from Milltronics with a transformer option, an autotransformer is supplied. The diagram below illustrates the various input voltage selections and proper ground wire connections. Always call the factory if in doubt concerning transformer connections as serious... -
Page 27: Air Supply System (If Equipped)
HAPTER REPARATION Air Supply System (if equipped) Some Milltronics turning centers require a constant supply of quality air pressure in order to perform optimally. 90-110 PSI at 10 CFM is required. Adjustments • Set the main air regulator to 90 PSI. -
Page 28: Lifting
Lifting The preferred method of lifting Milltronics SL series lathes is by forklift. By Crane or Hoist If a crane or hoist must be used, the machine must be lifted using a special lifting pallet and spreader bar, along with straps rated to handle the weight of the machine (See Chapter 2). -
Page 29: Chapter 4 - Installation
Startup checklist The enclosed startup checklist guides the process of the machine installation and checkout. The startup checklist forms must be completed and sent to Milltronics Mfg. to activate the machine warranty. Use the startup checklist in conjunction with the following outline when installing and setting up the machine. -
Page 30: Level The Machine
Once the machine is in place and assembled this far, have the power and air supplies connected by qualified personnel as described in chapter 1. See the safety checklist on page 2 for qualifications Place the leveling block on the tailstock ways as pictured, then rough level the machine. -
Page 31: Sl Lathe Head Stock Taper Specification
SL Lathe Head Stock Taper Specification (Refer to this text while leveling the machine in the startup checklist) Milltronics SL lathe products have a .0002 inch per foot specification for head stock taper. In almost all cases action will be required at the time of setup to adjust the lathe into tolerance. -
Page 32: Initial Checks Of The Machine, Its Guards And Safety Systems
Initial Checks of the Machine, its Guards and Safety Systems General Checks 1. Check for missing parts. Do not operate the machine if parts are missing. 2. Visually check for damage outside of machine and inside. Do not operate the machine if there has been shipping damage. -
Page 33: Visually Check That Guards Are In Place
4 - I HAPTER NSTALLATION WARNING: DANGEROUS VOLTAGES EXIST FOR THE VOLTAGE LEVEL CHECKS! 2. Check voltage levels. As stated in the Electrical Safety Rules, only qualified personnel (as described in chapter 1) should attempt to take these measurements. With the electrical cabinet door open, turn on the main power at the disconnect switch. -
Page 34: Safety Checks
Safety Checks Follow the sequences outlined below. Home the Machine During this operation, the machine will move. Before starting the operation, make sure any shipping clamps that might impede machine movement have been removed and nothing else remains to interfere with machine motion. On SL models, the Z axis “homes”... -
Page 35: Test The Emergency Stop Circuit
4 - I HAPTER NSTALLATION Test the Emergency Stop Circuit Having followed the steps outlined above for resetting the machine and starting the spindle, then Press the red EMERGENCY STOP button. Spindle rotation should stop. The emergency stop button is the most important safety switch on the machine. -
Page 37: Chapter 5 - Failure Modes, Detection And Prevention
Chapter 5 - Failure Modes, Detection and Prevention Minimizing Wear and Tear • The effects of everyday wear and tear may be minimized by good maintenance practice. Items high on the maintenance list include keeping the machine clean, providing clean dry compressed air with the correct oil drip into the air stream, and continuous application of the correct way oil through the automatic oiler. -
Page 38: Diagnosing Mechanical Faults
Diagnosing Mechanical Faults • Eyes, ears and hands are the best tools for detecting mechanical failure modes. As is the case for electrical faults, an accidental crash between tool and workpiece is a likely way to cause mechanical damage. A wide variety of mechanical failure modes also are possible even without a crash. -
Page 39: Chapter 6 - Maintenance
Chapter 6 – Maintenance Periodic Maintenance; Verification Of Safety Systems Note: Before performing any of the procedures in this section, please read and follow the directions in this manual covering safe practices for operation, setting and maintenance. Maintenance operations should only be performed by qualified personnel as described in chapter 1. -
Page 40: Weekly
Weekly • Check operation of all cooling fans. • Clean any chips from around the tool turret. • Grease the tailstock where shown. • Inspect the coolant collector at the rear of the spindle to ensure it is draining properly and is not blocked by chips. If cutting chips accumulate in the collector, install a plug in the spindle/chuck bore to prevent this. -
Page 41: Annually
6 - M HAPTER AINTENANCE • Power down the machine. Open the door to the electrical cabinet at the back of the machine. Check for loose wires or loose components. Annually • Check backlash to ensure proper axis motion and response. •... -
Page 42: Air System Maintenance (Some Models, If Equipped)
Air System Maintenance (some models, if equipped) • Ensure the air lubrication unit dispenses oil, and that the oil reservoir fill level is maintained. (Use Marvel No. 085, Mobil Velocite No. 10 or equivalent oil, further details about lubrication type can be found in the mechanical manual) •... -
Page 43: Way Lube Maintenance
6 - M HAPTER AINTENANCE Way Lube Maintenance • Ensure the way lube reservoir level is maintained (if equipped). (Use Mobil Vactra No. 02, Amoco Waytec No 68, Sunoco Sunwaylube No1180, or equivalent oil, more details found in mechanical manual). •... -
Page 44: Tool Turret Maintenance - Pragati
Tool Turret Maintenance - Pragati Add 85W140 gear oil here, until level fills sight window. Replace gear oil annually. Monitor sight glass to ensure fluid level remains topped off. Drain plug Sight window Hydraulic System Maintenance Check oil level in the hydraulic tank weekly and top off with Mobil DTE24 or equivalent if necessary. -
Page 45: Hydraulic Valves, Pressure Switches, And Gauges
6 - M HAPTER AINTENANCE Hydraulic Valves, Pressure Switches, and Gauges The illustration below shows the arrangement of the hydraulic valves and gauges on SL6-10 model turning centers. See the following page for additional views. Pressure Regulators Front View The pressure regulators Parts Catcher Chuck Tailstock... - Page 46 Tailstock Chuck Parts Catcher Manual Actuator Buttons Use these buttons along with those on the preceding page to actuate the hydraulic valves manually. Manual actuators Hydraulic Pressure Switches Hydraulic Pressure Switches Tailstock Chuck OD Chuck OD Parts clamp unclamp catcher The pressure switches are factory set to trip just below the factory set pressure of 200 psi.
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Page 47: Hydraulic Chuck Proximity Switch Adjustment
6 - M HAPTER AINTENANCE Hydraulic Chuck Proximity Switch Adjustment The proximity switches are used to detect the end of the drawbar stroke. The switches should be set to sense only if a part is not clamped during a clamping operation. -
Page 49: Chapter 7 - 8200 Cnc Operation
Chapter 7 – 8200 CNC Operation Milltronics 8200 CNC Front Panel 3 4 5 Power ON The main power switch is located on the electrical cabinet at the back of the machine. When main power is switched on, the power to the CNC is also applied. - Page 50 1) Manual Pulse Generator (HANDWHEEL) - rotate this wheel to control axis feed while in HDW mode. 2) FEEDRATE override rotary switch - labeled in percentages. Controls the feedrate and rapid traverse (Exception - see #3) of the machine axes. Also affects handwheel rate.
- Page 51 7 – 8200 CNC O HAPTER PERATION o Spindle CCW button – starts spindle in counter-clockwise direction provided there is a programmed spindle rpm. o Spindle STOP button – stops spindle rotation. 9) EMERGENCY STOP button – Disables machine motion, control enable, and axis waylube oiler.
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