Related Manuals for CHESTER DB8VS
Summary of Contents for CHESTER DB8VS
- Page 1 DB8VS LATHE Manual Chester UK Ltd Clwyd Close Hawarden Industrial Park Hawarden Chester CH5 3PZ Tel: 01244 531631 sales@chestermachinetools.com www.chestermachinetools.com...
- Page 2 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. • Appropriate personal protective equipment (such as safety glasses, dust coat, shoes etc..) must be worn whilst operating the machine.
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Page 3: Table Of Contents
Index 1. Machine Markings ………………………………………………………………………………………………… 4 2. Proper Use ………………………………………………………………………………………………………… 4 3. Technical Data …………………………………………………………………………………………………….. 4 4. Safety Indications …………………………………………………………………………………………………. 5 4.1 Residual Risk …………………………………………………………………………………………………. 5 5. Transport of the Machine ………………………………………………………………………………………… 6 6. Unpacking and Cleaning …………………………………………………………………………………………. 6 6.1 Cleaning the Machine ……………………………………………………………………………………….. 6 7. -
Page 4: Machine Markings
1. Machine Markings This machine bears a characteristics plate with the name of the machine, item number, and key technical data. Keep it clean and legible at all times. 2. Proper Use This lathe has been designed and manufactured for straight turning and facing round or regularly-formed three, six or twelve square workpieces in metal, plastic, or similar materials. -
Page 5: Safety Indications
4. Safety Indicators Read the operating and maintenance instructions carefully before starting, using or performing maintenance work on the machine, and prior to any other operations. Only authorised personnel who are completely familiar with the machines handling and working principles are authorised to use it. Repair, maintenance and upgrading may only be carried out by technical personnel and when the machine is switched off. -
Page 6: Transport Of The Machine
5. Transport of the machine This machine would normally be delivered in a special transport case. Keep it and reuse it. All bright metal parts are lubricated to protect them from humidity and dirt. Do not stack the machine. To prevent damage, do not deposit objects on the machine during transportation and storage. -
Page 7: Extent Of Supply And Accessories
7. Extent of supply and accessories Included with your machine: • Lathe • 3 and 4 jaw chucks • Lathe tools • Centres • Chuck guard • Operating manual 7.1 Extras We recommend the following for use with this machine: •... -
Page 8: Installing The Machine
8. Installing the machine When choosing the workpiece, bear the following points in mind: • The device must be installed and operated in a dry and well-ventilated area • Avoid locations near chip or dust generating machines • Place in a vibration free area, at a distance from stamping machines, planing machines, etc.. •... -
Page 9: Installation Drawing
8.1.3 Installation drawings... -
Page 10: Power Connection
9. Power Connection Note: Connection of the lathe and all other electrical work may only be carried out by an authorised electrician Before connecting the machine to the mains, make sure that the electrical values of the mains supply are the same as those for the lathe’s electrical components. -
Page 11: Control Elements
10. Control Elements Please be aware that the machine should only be run at low revs and high loads for a limited amount of time, and then run unloaded at full speed to allow the motor to cool. -
Page 12: Design Of The Lathe
11. Design of the lathe Bear the following points in mind to ensure that you get the best results from your work. Rotating parts. • Start work carefully • Pay close attention to your work, and pay special attention to rotating parts •... -
Page 13: Operation Of The Lathe
12. Operation of the lathe 12.1 Lathe saddle with top and cross slide The automatic longitudinal feed and the feed for thread-cutting are activated and deactivated using the feed lever. 1. The feed is transmitted via the leadscrew nut. Push the feed lever down to engage the automatic longitudinal feed. -
Page 14: Speed And Feed
12.3 Speed and feed The characteristics plate is attached to the headstock. It shows also shows the speed table (1). The feed table is attached to the belt cover. It shows the feeds for straight turning (2), the change gear arrangement (3) for longitudinal feed and for thread-cutting, change gear table for metric threads (4) and for imperial threads (5). -
Page 15: Adjusting The Feed
12.3.3 Adjusting the feed Disconnect the machine plug from the mains. The change gears for the feed are mounted on a quadrant. After loosening the lower right clamping screw (1) on the quadrant behind the change gear (F) – you can swing the quadrant out to the right. Unscrew the bolt (2) from the leadscrew or the nuts (3) from the quadrant bolts to remove the change gears from the front. -
Page 16: Adjustments On The Lathe
13. Adjustments on the lathe 13.1 Guide rail with adjusting gib on the lathe saddle The slack in the rear guide rail (1), increased by wear and abrasion, can be readjusted with the help of the allen screws. Loosen all nuts (2) first, and adjust the allen screws (3) clockwise slightly. -
Page 17: Adjusting The Lathe Chuck Guard
13.5 Adjusting the lathe chuck guard The lathe chuck guard is attached to the headstock. It can be readjusted by regulating the holder (1) or the stop screw (2) beneath the chuck guard. 13.6 Replacing the clamping devices on the head spindle holding fixture The head spindle holding fixture is cylindrical. -
Page 18: Working Notes And Tools
14. Working notes and tools 14.1 Turning operations 14.1.1 Straight turning In the straight turning operation, the tool feeds parallel to the axis 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. -
Page 19: Turning Short Tapers With The Top Slides
14.1.4 Turning short tapers with the top slide Short tapers are turned manually with the top slide. This is achieved by swivelling the top slide. The crossfeed is performed with the cross slide. 14.1.5 Thread-cutting (example of male thread) The thread-cutting process requires that the operator has a good knowledge of turning and sufficient experience. -
Page 20: Bits And Countersinks
The tool must be clamped with its axis perpendicular to the axis of the workpiece. If it is clamped at an angle, the tool may be drawn into the workpiece. This can result in damage to objects. 14.3 Bits and countersinks The sleeve of the tailstock can be used to introduce a drill chuck for holding bits and countersinks. -
Page 21: Maintenance
15. Maintenance In order to retain the machines precision and functionality, it is essential to treat it with care, keep it clean, grease and lubricate it regularly. By maintaining this machine, you can ensure the working quality will remain consistent. We recommend the use of mineral oil based lubrications, such as ISO30 oil. -
Page 22: Troubleshooting
17. Troubleshooting Problem Possible cause Elimination Surface of work piece too rough Blunt tool Resharpen tool Tool springs Clamp tool with less overhang Feed too high Reduce feed Radius at the tool tip is too small Increase radius Workpiece becomes coned Centres are not aligned –... -
Page 23: Wiring Diagram
18. Wiring diagram 18.1 DB8VS 240V/50HZ... -
Page 24: Exploded Views And Spare Parts List
19. Exploded views and spare parts Pos. Name Qty. Bearing Pedestal Feather key Screw M3 x 6 Cover Housing Housing Lathe bed Screw M8 x 12 Screw M5 x 12 Lubricating nipple Right bearing pedestal Screw M6 x 16 Taper pin 6 x 22 Leadscrew Rack Screw M4 x 16... - Page 25 Pos. Name Qty. Seal Spindle bearing Seal Screw M3 x 8 Cover Seal Spacer ring Pulley Nut M27 x 1.5 Gearwheel Screw M5 x 10 Switch box Headstock Feather key 4 x 40 Screw M6 x 16 Work spindle Adjusting ring Screw...
- Page 26 Qty. Name Pos. Headless pin M8 x 30 Washer B12 Nut M12 Tailstock upper part Thrust bearing 12x26x9 Spindle Tailstock sleeve Split taper socket (set) Washer B8 Clamping screw Handle Lubricating nipple 6 Sliding pad Screw M6 x 16 Screw M5 x 16 Guide flange Parallel pin 4 x30 Sinous spring...
- Page 27 Top slide with lathe tool holder Pos. Name Qty. Pos. Name Qty. Graduated dial Top slide spindle Intermediate flange Feather key 3 x 10 Screw M8 x 20 Lubricating nipple 6 Slide guideway Bearing pedestal Straining screw Screw M5 x 16 Nut M4 Sinous spring Screw M4 x 40...
- Page 29 Pos. Name Qty. Handwheel Lubricating nipple 6 Feather key 4 x12 Round nut Screw M3 x 6 Scraper Screw M6 x 35 Cross slide spindle Lathe saddle Screw M3 x 12 Spindle nut of cross slide Screw M3 x 12 Nut M5 Screw M5 x 25 Guide bead...
- Page 30 Pos. Name Qty. Pos. Name Qty. Eccenter Screw M4 x 8 Taper pin 3 x 20 Flange pedestal Bush Pinion shaft Housing Bush Screw M5 x 30 Gearwheel Nut M5 Bush Shaft Feather key 5 x 10 Handle Pinion shaft Steel ball 5 Screw M4 x 8 Compressor spring 0.8 x 5 x 25...
- Page 31 Pos. Name Qty. Pos. Name Qty. Change gear z=90 Washer Change gear z=80 Rolling bearing 12 x 28 x 2 Change gear z=70 Intermediate wheel z=40 Change gear z=52 Seeger circlip ring 12 Change gear z=40 Washer Change gear z=42 Fastening bolt intermediate wheel Change gear z=40 Washer 10...
- Page 32 Pos. Name Qty. Nut M10 Screw 3 Screw M8 x 25 Chuck flange Washer...
- Page 33 Pos. Name Qty. Pos. Name Qty. 10-01 Screw 10-11 Slide jaw 10-02 Tightening screw 10-12 Rest frame 10-03 Slide jaw 10-13 Screw 10-04 Lock washer 10 10-14 Set screw 10-05 Rest frame 10-15 Lock washer 10 10-06 Nut M10 10-16 Nut M10 10-07 Screw M8 x 30...
- Page 35 Pos. Name Qty. Pos. Name Qty. 1501 Nut M5 1526 Bearing 12 x 28 x 8 1502 Synchronous belt pulley 1527 Seeger circlip ring 12 1503 Plain bearing 1528 Distance bush 1504 Shaft 1529 Lubricating nipple 6 1505 Carrier plate 1530 Seeger circlip ring 12 1506...
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