SHUN CHUAN MACHINERY RML-1640V Owner'S Manual Download Page 12 | Manualshive

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4. Move the headstock range lever to low range.

5. Move the feed direction forward / reverse lever (

Figure 25 ) to FORWARD.

7. Turn the lathe ON, and let it run for ten minutes in

each speed of 20, 200, and 400 RPM, using the
dial to adjust the speed.

8. After completing Step 7, stop the lathe and move

the gearbox range lever to neutral, and move the
headstock range lever to high.

9. Turn the lathe ON and let it run at for ten minutes

in each speed of 400, 1000, and 2500 RPM.

10. After completing Step 9, reduce the spindle

speed to 400 RPM and let the lathe run for a

fi

nal 15 minutes to allow the machine to cool and

circulate the oil.

11. Shut the lathe down, replace the headstock and

gearbox oil, and re-tension the V-belts.

Figure 26. Power feed and half nut levers

disengaged.

Half nut Lever Disengaged

Nuetral

Figure 25. Feed forward / reverse laver.

6. Disengage the half nut and the power feed levers

shown in Figure 26.

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Summary of Contents for RML-1640V

Page 1: ...up 22 Threading Controls 22 Cutting Fluid System 25 Section 4 Maintenance 26 Schedule 26 Cleaning 26 Lubrication 26 Cutting Fluid System 31 Machine Storage 32 Section 5 Service 33 Backlash Adjustment 33 Leadscrew End Play Adjustment 33 Gib Adjustment 34 Half Nut Adjustment 34 Feedrod Clutch Adjustment 35 V Belts 35 Brake Switch 36 Leadscrew Shear Pin Replacement 37 Gap Removal Installation 38 Sect...

Page 2: ... carriage lubrication and for speedy machine shutdown a foot pedal brake system is used When cutting fluid is required the built in coolant pump and delivery nozzle directs the coolant to the point of cut As cuts are made the chips fall into the chip catch drawer which slides out for easy cleaning Foreword We are proud to offer the Model RML 1640V High Precision EVS Lathe This machine is part of a...

Page 3: ...y functional and positioned for maximum protection 7 Entanglement Loose clothing gloves neckties jewelry or long hair may get caught in moving parts causing entanglement amputation crushing or strangulation Reduce this risk by removing securing these items so they cannot contact moving parts 8 Mental Alertness Operating this item with reduced mental alertness increases the risk of accidental injur...

Page 4: ...g it through its entire range of motion Also check the tool and tool post clearance chuck clearance and saddle clearance 7 Speed Rates Operating the lathe at the wrong speed can cause nearby parts to break or the workpiece to come loose which will result in dangerous projectiles that could cause severe impact injury Large workpieces must be turned at slow speeds Always use the appropriate feed and...

Page 5: ...aft 19 Bed 20 Base 1 Headstock 2 Control Panel 3 D1 6 Camlock MT 6 Spindle 4 Steady Rest 5 4 Position Tool Holder 6 Work Lamp 7 Follow Rest 8 Universal Cutting Fluid Tube and Nozzle 9 Cross Slide 10 Tailstock Section 1 Controls Components Identification 1 2 3 4 5 6 7 8 9 11 10 12 13 14 15 16 17 18 19 20 Figure 1 The RML 1460 EVS Lathe ...

Page 6: ...the constant surface speed feature ON or OFF 2 Tachometer Display Indicates what RPM the spindle is currently rotating at 3 Spindle Speed Dial Changes the spindle speed to user defined levels 4 Power Light Illuminates when lathe is receiving power 5 Cutting Fluid Pump Switch Turns cutting fluid delivery ON OFF 6 Jog Button Turns the spindle motor ON while being pressed and held 7 Emergency Stop Bu...

Page 7: ...de Handwheel Positions the cross slide in or out 6 Feed Control Lever Engages and disengages the cross feed and longitudinal feed gearing 7 Longitudinal Carriage Handwheel Allows for manual movement of the carriage from left to right along the bed 8 Thread Dial Indicates when to engage the half nut during threading operations 9 Halfnut Lever Engages and disengages the apron with the leadscrew for ...

Page 8: ... consider the weight of the operator and any dynamic loading that may occur when operating the machine Space Allocation Consider the largest size of workpiece that will be processed through this machine and provide enough space around the machine for adequate operator material handling or the installation of auxiliary equipment With permanent installations leave enough space around the machine to ...

Page 9: ...is an operator and a watchman not to damage projecting on the machine perimeter d To put in the jig with wire set inserting to bed way e Make sure that two hexagon nuts is fixed f Keep the machine s center of gravity at the center of the crane Figure 11 Lifting the machine with crane Figure 12 Moving the machine with a forklift Leveling This lathe must be placed on the included leveling studs and ...

Page 10: ...its minimum speed and make sure the cross slide is backed out to avoid possibility of a high speed start Figure 15 Control panel CSS ON OFF Switch Spindle Speed Dial Pump Switch Emergency Stop Switch Figure 16 Headstock range lever Figure 17 Gearbox range lever Figure 18 Feed forward reverse lever To level the machine use a precision level to make sure the bedways are level from side to side and f...

Page 11: ... the EMERGENCY STOP switch and the lathe should stop 21 Turn the cutting fluid pump on and fluid should flow from the nozzle 22 The test run is now finished Shut the lathe down and begin the Spindle Break In procedure 11 Move the spindle ON OFF lever to the OFF position as shown in Figure 21 12 Connect the lathe to power and at the rear of the headstock turn the master power switch to the ON posit...

Page 12: ...ange lever to high 9 Turn the lathe ON and let it run at for ten minutes in each speed of 400 1000 and 2500 RPM 10 After completing Step 9 reduce the spindle speed to 400 RPM and let the lathe run for a final 15 minutes to allow the machine to cool and circulate the oil 11 Shut the lathe down replace the headstock and gearbox oil and re tension the V belts Figure 26 Power feed and half nut levers ...

Page 13: ...utting as diameter decreases As a result of this automatic spindle speed control surface finishes are consistent tooling lasts longer and fewer workpieces will be lost from mistakes Another benefit derived from the CSSSS feature is that from reduced machine shutdown and less lever shifting cycles shorter machining time will be achieved which can mean increased productivity Note When the CSSSS swit...

Page 14: ...nd outside jaws Use the correct jaws for the size and configuration of the workpiece to hold it firmly and securely on the chuck Numbered from 1 3 the jaws must be used in the matching numbered jaw guides as shown in Figure 31 To change the jaw 1 Disconnect Lathe from POWER 2 Place a piece of wood over the ways to protect them from potential damage 3 Insert the chuck key and turn it counterclockwi...

Page 15: ...lock handles in locked position Quill Handwheel Tailstock Lock Lever Tailstock Lock Lever To move the tailstock 1 Pull back on the lock lever 2 Slide the tailstock to the desired position 3 Push the tailstock lock lever forward to lock the tailstock to the lathe bed To use the tailstock quill 1 With the tailstock locked to the bed release the quill lock lever 2 Turn the quill feed handwheel clockw...

Page 16: ...ter 3 Insert the center into the sleeve then insert the sleeve into the spindle bore through the chuck or faceplate Removing Center from Spindle To remove the sleeve and center from the spindle insert a piece of round bar stock or similar tool through the outboard end on the left side of the headstock then tap the sleeve loose Mounting Center in Tailstock Either a dead center or live center can be...

Page 17: ... cutting tool during operation Adjust the sliding finger rollers on the follow rest in the same manner as those on the steady rest Compound Slide The compound slide handwheel has an indirect read graduated scale This means that the distance shown on the scale represents the actual distance the tool moves which of course will remove twice as much material from the diameter of the workpiece The base...

Page 18: ...ng tool with a center installed in the tailstock For this to work the tailstock must be aligned to the spindle center line Make a facing cut on a piece of round bar stock If the tool is above below the spindle center line a nub will be left in the center of the workpiece Adjust the height of the workpiece then repeat the facing cut to check the adjustment Repeat as necessary until the center of th...

Page 19: ...dle speed revolution per minute CS Cutting speed in surface feet per minute SFM D Diameter of workpiece EXAMPLE If the cutting speed is 40 for a certain alloy steel and the workpiece is 2 inches in diameter find the rpm as follows RPM 80 After calculating the RPM use the nearest or next lower speed on the lathe and set the spindle speed Cutting speed typically defined in feet per minute FPM is the...

Page 20: ...arriage and cross slide components for non threading operations Power Feed Controls The feed direction lever controls direction of the carriage The quick change feed direction knob reverses the feed direction of the carriage while the lathe is running Figure 49 Feed control lever positions Cross Feed Neutral Longitudinal Feed To engage the power feed 1 Make sure the spindle is OFF and has come to ...

Page 21: ...read and feed rate chart Positioning Gearbox Levers To cut a particular thread or establish a particular feed rate you may need to first swap the gearbox drive gear depending on where it is currently set Once you have confirmed that the end gear is set up properly you can then move the gearbox levers to the required positions The arrows going from Figure 50 to Figure 51 show which gearbox levers m...

Page 22: ... gear a Remove the cap screw and flat washer that secures the gear then remove the gear b Clean away debris and grime from the gear and apply a light coat of machine oil c Swap the position of the gear then align it with the key and insert it on the gear shaft d Re install the flat washer and cap screw 4 Close and secure the headstock side cover Figure 53 Normal end gear position 28T 55T 54T 64T 2...

Page 23: ...the left column see Figure 55 then reference the dial number to the right of it The dial numbers indicate when to engage the half nut for a specific thread pitch The thread dial chart can also be found on the front of the thread dial housing Feed Control Lever Half Nut Lever Down Engaged Figure 54 Carriage controls set up for threading Hand Knob Dial Gear Leadscrew Figure 45 Thread dial engaged wi...

Page 24: ...ing length of each thread 1 25 2 5 5 10 Figure 58 59 Length of each thread 4 5 9 Select position 1 3 on the thread dial and use the 18T gear on the buttom of thread dial for threading length of each thread 4 5 9 Figure 56 57 Length of each thread 5 5 11 Select position 1 3 on the thread dial and use the 22T gear on the buttom of thread dial for threading length of each thread 5 5 11 Figure 56 57 F...

Page 25: ...umber group are selected on dial for cutting 1 2 thread TPI Figure 65 Any number on dial is selected for other fractional TPI 2 TPI Use any numbered or non numbered line on the thread dial to cut the TPI shown in Figure 66 Figure 66 Any number on the dial can be selected for 2 TPI Always use high quality cutting fluid in your coolant system and follow the manufacturer s instructions for diluting R...

Page 26: ...nnually or Semi Annually with Hard Use Drain and clean the headstock oil reservoir then add new oil Change the apron oil Change the gearbox oil Cleaning Regular cleaning is one of the most important steps in taking good care of this lathe Each operator is responsible for cleaning the machine immediately after using it or at the end of the day We recommend that the cleaning routine be planned into ...

Page 27: ...tions the oil should not reach 138 C 170 F however if it does shut down the machine and allow the oil to cool Investigate why the oil is getting so hot Possibilities may be poor ventilation excessive work loads poor oil quality oil that is losing lubricity due to long term use or extreme work site temperatures If possible correct the conditions causing the oil to get hot If the oil is old or you s...

Page 28: ...il level daily When the oil approaches the minimum level add enough oil to bring it up to the maximum level This oil is also used by the way pump to lubricate the ways and slides Figure 72 Gearbox sight glass location Access Cover Figure 73 Location of gearbox fill and drain plugs Gearbox Oil Fill Plug Gearbox Oil Drain Plug Figure 75 Location of fill plug for apron oil reservoir Access Cover Chan...

Page 29: ...the ball with the tip of the oil can nozzle and squirt a small amount inside If the lathe is in a moist or dirty environment increase the oiling interval Figure 77 Location of way pump fill plug and sight glass on the apron Fill Plug Sight Glass Way Pump Lead Screw Before lubricating the leadscrew Figure 76 clean it first with mineral spirits A paint brush works well to help clean out the threads ...

Page 30: ...h but not so much that it fills the voids between the teeth 6 Install the end gears and mesh them together with an approximate backlash of 0 127mm Once the gears are meshed together apply a small dab of grease in the crux of where the gears mesh together this grease will spread around when the gears start moving and re coat any areas scraped off during installation Annual Maintenance Once a year r...

Page 31: ...The important thing to keep in mind when working with the cutting fluid is to minimize exposure to your skin eyes and respiratory system by wearing the proper PPE personal protective equipment such as splash resistant safety glasses long sleeve gloves protective clothing and a NIOSH approved respirator Changing Cutting Fluid When you replace the old cutting fluid take the time to thoroughly clean ...

Page 32: ...minder that the belts have been loosened or removed 7 Place a few moisture absorbing desiccant packs inside of the electrical box 8 Cover and place the machine in a dry area that is out of direct sunlight and away from hazardous fumes paint solvents or gas Fumes and sunlight can bleach or discolor paint and make plastic guards cloudy Fluid Hose Disconnect Here Figure 84 Fluid hose that may need to...

Page 33: ... set screws Figure 86 Compound slide backlash adjustment set screws Cap Screw Set Screw Figure 87 Leadscrew end play adjustment Retainer Nut with Set Screws Leadscrew Cross Slide Leadscrew Backlash can be felt by turning the cross slide handwheel in one direction then turning the handwheel the other direction then noticing the amount the handwheel moves while the cross slide does not When the cros...

Page 34: ...nists find that the ideal gib adjustment is where a small amount of drag or resistance is present yet the handwheels are still easy to move Figures 88 91 show the location of the screws for each gib on this machine Half Nut Adjustment The half nut mechanism can be tightened if it becomes loose from wear The pressure exerted by the half nut is controlled by a gib similar to the one in the saddle Th...

Page 35: ...ess covers removed Feed Access Cover Figure 96 Location of motor cover Motor Cover 3 Remove the clutch collar set screw as shown in Figure 94 Figure 94 Removing set screw from clutch collar Set Screw Figure 95 Feed clutch set screw alignment Set Screw Slot Collar Adjustment Hole 5 Line up the set screw hole in the clutch collar with the closest set screw slot that is cut into the feedrod see Figur...

Page 36: ...tightening it until it is just snug 7 Firmly push the pedal lever Figure 100 to the right until it stops and the brake band is fully clamped around the brake hub 8 Tap the pedal stop into position so there is approximately a 25mm gap between the pedal lever and the stop see Figure 100 Figure 97 V belt adjustment Motor Mount Bolts Deflection Pulley 3mm Figure 98 Minimum brake band lining thickness ...

Page 37: ...in into the bore as shown in Figure 105 Figure 103 Shroud washer pin alignment Shear Pin Head Cutout Shroud Washer 3 Rotate the shroud washer so the cutout lines up with the shear pin head as shown in Figure 103 4 Put on safety glasses 5 Remove the retaining ring from its groove and place it in the rear most position away from the shroud washer 6 Move the shroud washer away from the shear pin to t...

Page 38: ...ove the two way set screws 4 Tighten the two dowel pin jack nuts until the pins are pulled free from the gap 5 Tap the outside of the gap with a dead blow hammer to loosen Then remove the gap section To reinstall the gap 1 Using mineral spirits and a clean lint free rag clean the mating surfaces of the gap bed and ways 2 Wipe a layer of light machine oil on all freshly cleaned surfaces 3 Using a b...

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