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Summary of Contents for CHESTER DB10VS
- Page 1 DB10VS & DB10VS LB Manual Chester UK Ltd Clwyd Close Hawarden Industrial Park Hawarden Chester CH5 3PZ Tel: 01244 531631 sales@chestermachinetools.com www.chestermachinetools.com...
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Page 2: Safety Guidelines
Safety Guidelines Personnel working with any machine tools are required to follow the safety instructions stated below in order to prevent any accident that may occur. • This machine is designed and intended for use by properly trained and experienced personnel only. If you are not familiar with the proper safe use of lathes, do not use this machine until properly trained. -
Page 3: Technical Specifications
Technical Specifications DB10VS DB10VS Long Bed Swing over Bed 250mm 250mm Swing over Cross Slide 145mm 145mm Distance Between Centres 550mm 750mm Centre Height 125mm 125mm Width of Bed 135mm 135mm Spindle Bore 26mm 26mm Spindle Taper No. of spindle speeds... -
Page 4: Machine Setup
Machine set up Start by removing the contents from the wooden crate. Check the accessories according to the packing list. Unbolt the lathe from the shipping crate. Choose the location for your lathe; this should have good lighting and plenty of room to service the lathe. - Page 5 General Description of the Lathe Lathe Bed The lathe bed is made of high-grade iron. By combining high cheeks with strong cross ribs, a bed of low vibration and rigidity is produced. It integrates the headstock and drive unit, for attaching the carriage and leadscrew. The two precision-ground V - sideways, re-enforced by heat hardening and grinding, are the accurate guide for the carriage and tailstock.
- Page 6 Apron The apron is mounted on the bed. It houses the half nut with an engaging lever for activating the automatic feed. The half nut gibs can be adjusted from the outside. A rack, mounted on the bed, and a pinion operated by handwheel on the carriage allow for quick travel of the apron.
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Page 7: Lathe Controls
Lathe controls Change-over switch After the machine is switched on, turn the switch to "F" position for counter- clockwise spindle rotation (forward). Turn the switch to "R" position for clockwise spindle rotation (reverse). "O" position is OFF and the spindle remains idle. - Page 8 Longitudinal traverse (B) Rotate hand wheel clockwise to move the apron assembly toward the tailstock (right). Rotate the hand wheel counter-clockwise to move the apron assembly toward the headstock (left). Cross traverse handwheel (C) Clockwise rotation moves the cross slide toward the rear of the machine. Half nut engage lever (D) Move the lever down to engage.
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Page 9: Operation
Operation Replacement of chuck The head spindle holding fixture is cylindrical. Loose three set screws and nuts (A, Fig.17, only two are shown) on the lathe chuck flange to remove the chuck. Position the new chuck and fix it using the same set screws and nuts. - Page 10 Manual turning Apron travel, cross travel, and top slide handwheel can be operated for longitudinal cross feeding. Longitudinal turning with auto-feed 1. Set the selector knob (A) to select the feed direction and feed speed. Use the table (B) on the lathe for selecting the feed speed or the thread pitch.
- Page 11 Threading and feeding table...
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Page 12: Straight Turning
Straight turning In the straight turning operation, the tool feeds parallel to the axis of rotation of the workpiece. The feed can be either manual by turning the handwheel on the lathe saddle or the top slide, or by activating the automatic feed. The crossfeed for the depth of cut is achieved using the cross slide. - Page 13 Taper turning by setting the top slide By angling the top slide, tapers may be turned manually with the top slide. Rotate the top slide to the required angle. A graduated scale permits accurate adjustment of the top slide. The crossfeed is performed with the cross slide.
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Page 14: Lathe Accessories
Lathe accessories 3 jaw universal lathe chuck Using this universal chuck, round, triangular, square, hexagonal octagonal, and twelve-cornered stock may be clamped. Note: new lathes have very tight fitting jaws. This is necessary to ensure accurate clamping and long service life. - Page 15 Steady rest The steady rest serves as a support for shafts on the free tailstock end. many operations the tailstock cannot be used as it obstructs the turning tool or drilling tool, and therefore, must be removed from the machine. The steady rest, which function as an end support, ensures chatter-free operation.
- Page 16 Adjustment After a period of time, wear in some of the moving components may need to be adjusted. Main spindle bearings The main spindle bearings are adjusted at the factory. If end play becomes evident after considerable use, the bearings may be adjusted.
- Page 17 Lubrication Caution Lathe must be serviced at all lubrication points and all reservoirs filled to operating level before the lathe is placed into service. Failure to comply may cause serious damage. Note: Lubricate all slideways lightly before every use. Lubricate the change gears and the leadscrew...
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Page 18: Electrical Connections
Failure to comply may cause serious injury and damage to the machine. The DB10VS is rated at 750W, 220V only. Confirm power available at the lathes location is the same raiting as the lathe. Using the wiring diagram below for connecting the lathe to the mains supply. -
Page 19: Maintenance
Maintenance Maintain the lathe during operation to guarantee accuracy and service life of the machine tool. In order to retain the machine's precision and functionality, it is essential treat it with care, keep it clean and grease and lubricate regularly. Only through good care, be sure that the... -
Page 20: Troubleshooting
Troubleshooting Problem Possible Reason Elimination Surface of workpiece too Tool blunt Resharpen tool rough Tool springs Clamp tool with less overhang Feed too high Reduce feed Radius at the tool tip too small Increase radius Workpiece becomes coned Centers are not aligned (tailstock has Adjust tailstock to the center offset) Top slide not aligned well (cutting with... - Page 21 Spare parts Headstock and driving assembly...
- Page 23 Gearbox assembly...
- Page 26 Top slide, cross slide, carriage assembly...
- Page 29 Apron assembly...
- Page 32 Tailstock bed assembly...
- Page 35 Electrical box assembly...
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