Votes - 3, Average rating: 3.3
(
)
)
|
manual abstract
High speed can build friction while sanding and cause heat check in some woods. 2. Begin with fine sandpaper (120 grit) and progress through each grit, using only light pressure. Coarser sandpaper tends to leave deep scratches that are hard to eliminate. Use power-sanding techniques to avoid concentric sanding marks around your finished piece. Avoid rounding over the rim and foot with sandpaper; try to keep details crisp. Finish sanding with 220 grit. 3. Remove sanding dust with tack rags or compressed air and, with lathe turned off, apply first coat of finish. Let stand for several minutes, wipe off excess. Allow to dry before sanding again with 320 or 400 grit sandpaper. 4. Turn lathe back on and continue the separation cut almost all the way through the base. Stop at about 3" and use a small fine tooth saw to separate the bowl from the waste. 5. Apply second finish coat and allow to dry before buffing. Maintenance Before doing maintenance on the Lathe, disconnect it from the electrical supply by pulling out the plug or switching off the main switch. Failure to comply may cause serious injury. Maintenance on the 3520B Lathe should be performed at periodic intervals to ensure that the machine is in proper working order, that all fasteners are tight, and all necessary adjustments have been made. Inspection and maintenance should be performed at least twice a year, but more frequently if the Lathe receives constant use. Clean and oil the lathe bed(s) so that headstock, tailstock and tool support base will slide easily. Clean any rust spots that may develop on the bed with a commercial rust remover. Use compressed air to blow out the interior of the headstock, in order to keep sawdust and chips from accumulating on belts and sheaves. Also blow off debris that accumulates on the inverter. Do not disassemble inverter to clean! Frequently clean out the morse tapers on both headstock and tailstock. Commercially available taper cleaners may be acquired from tool stores. 27 Indexer Positions How to use the chart The indexer is shown as viewed from the tailstock end of the Lathe. Points A, B, C and D are the holes in the head casting. The holes in the spindle collar may be considered as numbered 1 through 12. Example: You wish to rout 9 flutes on your spindle blank. Locate the “9” in the “No. of Flutes” column; each flute angle will be 40°. The index pin should first be inserted into hole combination “A-1”. Make your first flute at this position. Back off the index pin and rotate the spindle until the index pin can be inserted into hole combination “A-5”; this will be followed by “A-9”. Succeeding flutes will be made with the index pin in the B position: “B-2”, “B-6” and so on. No. of Flutes 360° divided by... Angle Letter # Letter # Letter # Letter # 1 360.00 A 1 2 180.00 A 1,7 3 120.00 A 1,5,9 4 90.00 A 1,4,7,10 5 72.00 ----------------------- 6 60.00 A 1,3,5,7,9,11 8 45.00 A 1,4,7,10 D 2,5,8,11 9 40.00 A 1,5,9 B 2,6,10 C 4,8,12 10 36.00 ----------------------- 12 30.00 A 1 to 12 15 24.00 ----------------------- 16 22.50 ----------------------- 18 20.00 A 1,3,5,7,9,11 B 2,4,6,8,10,12 C 2,4,6,8,10,12 20 18.00 ----------------------- 24 15.00 A 1 to 12 D 1 to 12 30 12.00 ----------------------- 36 10.00 A 1 to 12 B 1 to 12 C 1 to 12 other interesting patterns.... 18 20.00 A 1,3,5,7,9,11 B 1,3,5,7,9,11 C 1,3,5,7,9,11 NOTE: A dashed line indicates that particular set of angles is not possible with the indexer. Figure 39 28 Troubleshooting Trouble Probable Cause Remedy Motor fails to develop full power. Power line overloaded. Correct overload condition. Undersize wires in power supply system. Increase supply wire size. Faulty inverter. Contact WMH Technical Service. Worn motor. Replace motor. Motor or spindle stalls or will not start. Excessive cut. Reduce depth of cut. Improper belt adjustment, or worn or broken belt. Adjust or replace belt as needed (see pages 18-19). Improper cooling of motor. Blow out sawdust from motor housing fan. Worn spindle bearings. Replace bearings. Worn motor. Replace motor. Excessive vibration. Workpiece warped, out of round, has major flaw, or was improperly prepared for turning. Correct problem by planing or sawing workpiece, or discard entirely and use new workpiece. Worn spindle bearings. Replace spindle bearings. Worn drive belt. Replace drive belt. See pages 18-19. Motor mount lock handle is loose. Tighten lock handle (A, Figure 25). Lathe on uneven surface. Adjust levelers. Lathe runs at one speed only. Potentiometer faulty. Replace potentiometer. Electronic AC inverter is not programmed properly, or is defective, or there is loose wiring. Contact WMH Technical Service to help identify problem; 800-274-6846. Tools tend to grab or dig in. Dull tools. Keep tools sharp (see page 21). Tool support set too low. Reposition tool support height. See page 23. Tool support set too far from workpiece. Reposition tool support closer to workpiece (page 23). Improper tool being used. Use correct ...