Hands On
Service Methods and Tips

MAR/APR 2004
Volume 47/Issue 2


IN THIS ISSUE
Project Articles
Strip Laminate Bending
The Turned Hall Tree
Two Great Kitchen Gift Items

DEPARTMENTS
Ask Smitty
Owner’s Gallery
Letters from Owners
New Baby Workshop Calendar
 
Academy Notes
Clean Cuts - Pt. 5 - Sharpening Jointer, Molder & Shaper Knives
 
Service Pointers
Troubleshooting the Shopsmith Lathe Duplicator
 
Safety Tips
Safety Cans for Flammable Liquids

What's New
Check out our New Shopsmith Website

EDUCATION
Find A Shopsmith Woodworking Academy Near You

National Woodworking Academy in Dayton, OH

ONLINE CATALOGS
Online Accessory Catalog
Request Printed Accessory Catalog
Online Replacement Parts Catalog

MARK V INFORMATION
Find A Shopsmith
MARK V Demo Near You

Request MARK V Information Package

LINKS
Links Worth Visiting
Free Woodworking Tips

FEEDBACK
Contacting Shopsmith

Copyright 2004.
Shopsmith, Inc.
All Rights Reserved

Service Pointers
Troubleshooting the Shopsmith Lathe Duplicator

Printer friendly PDF copy of article (10K)

Most Lathe Duplicator problems have simple solutions. Under normal use, you should rarely have to service a component. Most problems can be corrected by performing periodic maintenance, alignment and adjustment tasks...and by changes in work habits.

This Trouble shooting Guide should help you diagnose and remedy the most common occurring Lathe Duplicator problems.

Problem
Possible Cause

Solution

Quality of cuts is poor (rough or torn surface)

Cutter is above workpiece centerline



Lathe speed too slow


Cutter is dull

Cutting too aggressively

Lower Table to bring down to centerline; or down to 1/16" maximum below centerline for certain types of wood.

Check Speed Chart & increase speed

Replace the Cutter

Use a lighter touch

Inexact diameters

Improper alignment of Lathe Centers - or Follower to Cutter

Using wrong Follower


Way Tube Clamp improperly positioned



Alignment not checked when remounting Duplicator

Check alignment and adjust if required


Change to Follower with same shape as Cutter

Check that recessed ends of both Clamps engage Way Tubes properly. Reposition as required.

Check alignment and adjust if required.

Good cuts on one end of turning, but poor cuts on the other

Lathe Centers not parallel to Table

Way Tube Clamp improperly positioned

Chekc Table-to-Lathe Centers parallelism & align

Chekc that recessed ends of both Clamps engage Way Tubes properly & re-position if required.

Cuts are tapered

Template not centered properly or centerline not drawn squarely on template

Way Tube Clamp improperly positioned

Straighten template on centers or redraw centerline on template


Check taht recessed ends of both Clamps engage the Way Tubes properly & re-position, if required.

Excessive vibration (whip & chatter) when turning thin spindles

Cutter is positioned below workpiece centerline

Cutting too aggressively

Raise Table so Cutter is on centerline


Use a lighter touch

Excessive vibration when turning larger spindles or bowls Workpiece Centers improperly located or wood is unbalanced Check for proper centers and balance. Relocate center(s) or cut off stock until workpiece is balanced.