Thread: Tool diameter accuracy
Threaded View
-
03-03-2014 #1
I was doing some cutting earlier in a really difficult material - 3mm MDF. I was cutting some small components which needed to slot into each other, and after the first attempt none of them fitted. Measuring, I found that I was getting dimensions consistently about 0.7mm out. That was averaged over a dozen or so different dimensions, internal and external. I regenerated the gcode using a cutter of nominal dimension 2.3mm instead of its theoretical 3mm, and all the pieces cut and fit perfectly. Question is, is it my crap machine bending with the strain of a 1.7mm DOC in MDF, or is it likely to really be cutter size? It's a single-flute carbide cutter from CNCRouterParts, but I can't check its diameter directly as it is single-flute. I don't have much experience with these kinds of cutters - do you need to do trial cuts to find out their effective cutting diameter before use? I'm happy to blame the machine, but curious about cutter accuracy as well.
Thread Information
Users Browsing this Thread
There are currently 1 users browsing this thread. (0 members and 1 guests)
Similar Threads
-
Optimal ballscrew diameter for lathe
By vre in forum Lathes, Lathe Rebuilding & ConversionsReplies: 6Last Post: 20-03-2014, 02:44 AM -
Accuracy Problem
By richie00boy in forum Machine DiscussionReplies: 12Last Post: 09-09-2013, 11:24 AM -
Thread diameter
By Daniel in forum General DiscussionReplies: 7Last Post: 23-02-2012, 06:18 PM -
Machine bed accuracy
By Colin Barron in forum Gantry/Router Machines & BuildingReplies: 1Last Post: 03-11-2010, 11:24 AM -
optimum diameter???
By m.marino in forum Lead Screws, Nuts & SupportsReplies: 4Last Post: 02-04-2010, 12:44 AM
Bookmarks