Smithy Midas 1220 XL - Manual (Page 106)

Too much backlash in the cross-slide
Cause Solution
• Loose screw • Tighten screw, review how to
eliminate backlash
• Loose brass nut • Put a shim between the stud on the
nut and the side of the hole
• Worn brass nut • Replace the brass nut or adjust
screw at end of nut
• Too much space between bearing l • Add shim washers
and dial
Lathe Turning
Clutch drops into neutral while turning
Cause Solution
• Too much gap between the jaw clutch • Shorten the shaft sleeve
and the left jaw clutch
Cut is rough
Cause Solution
• Tool dull • Sharpen or replace tool
• Tool not ground properly • Regrind tool
• Tool at wrong angle • Correct tool position
• Tools not held tightly • Tighten toolholder
• Wrong cutter for material • Use correct cutter
• Cutting speed incorrect • Increase or reduce speed
Work has unwanted taper
Cause Solution
• Work improperly aligned • Realign centers on work
• Debris in spindle, setup, or tools • Clean and reset setup, work or tool
• Offset tailstock incorrectly positioned • Correct position of tailstock
• Spindle out of alignment • Tighten taper bearings to return to
alignment,replace spindle bearings
Machine vibrates
Cause Solution
• Work mounted wrong • Remount work
25-3
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Midas 1220 XL Operator’s Manual