Troubleshooting Out-of-Square Moulders Follow the saga of a woodworker trying to solve the puzzle of not one, but two, out-of-square moulders on the shop floor. April 30, 2009
Moulder Blade Sharpening and Touch-Up Tips Here's extensive advice about moulder knife sharpening and touch-up and other issues that can affect knife edge quality and moulding appearance. October 18, 2011
Sharpness of High Speed Steel Versus Carbide Tooling Here's a long, technically detailed, and authoritative thread that explains why high speed steel can be sharpened to a finer edge than carbide, but will lose that edge quickly in hard or abrasive materials. (And more.) February 22, 2011
Troubleshooting Maple Moulder Tear-Out Too-dry lumber, dull knives, complicated grain patterns, or other maintenance and operational issues could be causing this tear-out problem with Maple wood. February 25, 2009
Rapid Dulling in Planer Knives: What's Wrong? Trying to figure out why knives go dull so fast in a planing operation that handles both reclaimed and freshly sawn lumber. January 14, 2008
Knife Characteristics for Best Moulder Finish Quality This informative thread includes some expert discussion of the old-school method of back-beveling cutter knives, and also describes other knife characteristics that can improve the quality of machined wood straight off the moulder. August 13, 2014
Tolerance For Knife Stock Thickness A discussion of thickness variations in moulder and planer knife blank material, and the attendant problems for custom-ground knives. April 27, 2007
Grinding Wheels 101 A description of grinding wheel characteristics, and some helpful tips on grinding tools. February 14, 2007
Knife Steel 101 Here's a nice rundown of the various materials used to make cutter knives, along with some lively discussion. November 27, 2007
Regrinding Corrugated Knives Is it worth it to try re-grinding an odd-lot batch of old knives to new, useful profiles? Or alternatively, is there a used-tool market for them? July 25, 2010
Keeping the Knife Collection Organized A place for every cutter, and every cutter in its place — but how? Pros suggest ways to categorize and file cutter heads. March 3, 2006
Should We Sharpen Cutters In House? Opinions vary: some see savings and convenience benefits, but others note expense, time, and safety concerns. July 30, 2007
Choosing a Grinding Coolant A discussion of the pros and cons of various coolants (or lubricants) used in cutter grinding for woodworking equipment. July 23, 2014
Ownership of Custom Moulder Knives When a customer buys a run of custom moulding, are they also buying the knives you ground to produce the moulding? March 4, 2009
Jointing Carbide Knives 101 Technical tips on selecting and preparing stones for jointing your carbide cutters. February 14, 2007
Accurate Scales for Balancing Cutters What level of accuracy is required when weighing knives for balance during sharpening — and how do you achieve it?August 12, 2014
Sharpening Insert Tooling Some insert-type cutterheads can be sharpened once or twice, but it's a tricky process that can create complications. July 30, 2007
Hand-Honing Tips for Cutter Knives Remarks on honing and deburring cutterhead edges, and some thoughts on knife materials and performance. April 30, 2006
Burnt Cutters and Tool Life "Burning" or overheating a cutter edge, during grinding or regular use, can significantly degrade the service life of the tool. February 24, 2008
Planer Wear and Tear-Out Problems Wear on the knives and the chip breaker could lead to tear-out problems when the knives are replaced. July 15, 2012
Best Hook Angle for Corrugated Insert Knives Here's some insight into hook angles. Different hook angles may work better for different woods, but other factors matter more. May 5, 2007
"Chip Dent" in Planed Lumber Here's a long, detailed examination of the problem of denting in planed wood, caused by knives pressing chips into the wood surface. Unfortunately, no solutions. October 15, 2009
Reground Planer Knives Trapping Chips Woodworkers help figure out why chips won't clear out from the workpiece after a set of planer knives comes back from the grinder. March 14, 2006
Setting and Adjusting Knives in an Old Planer 1920's-era iron is rock solid, but it can be finicky. Here are some detailed pro tips for aligning the knives in an old-school machine. January 28, 2014
Shaper Cutter Choices, Alignment, and Balancing In this interesting thread, a question about good cutterhead choices for occasional use in hardwood evolves into a conversation about setting up and balancing the shaper. August 19, 2013
Finger Jointing Finger jointing lumber can reduce waste and utilize marginal material - and in depth article -1999
Shopping for a Profile Grinder Advice on getting into knife grinding, for mid-job touch-up sharpening or for needed custom profiles, without an excessive investment in time or money. April 21, 2011
Getting Your Waterstone Back in Shape If your waterstone isn’t flat, it can’t deliver a proper edge to your tools. Here's how to fix that. December 18, 2013
Sharpening Tongue-and-Groove Knife Sets If you choose the right knives to begin with, tongue-and-groove profile cutters can be sharpened repeatedly. March 5, 2008
What Is Chip Load? Average chip thickness vs. knife progression. December 26, 2004
Profile Knife Grinders for Replicating Mouldings A discussion of knife grinding equipment and techniques for a woodworker who wants to reproduce historic mouldings for custom work. January 28, 2013
Troubleshooting Moulder Head Vibration Many things could potentially throw a moulder head out of balance. Here, pros discuss the possible causes of excessive vibration. August 23, 2005
Resharpening Bandsaw Blades Arguments for and against sharpening your own bandmill blades versus sending them out to a resharp service. May 11, 2005