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No setting in the ShopBot control software (SB3) has more influence over the performance of your CNC than the VR [Values Ramping] command. I have no doubt that you’ve heard about ramping before, and to many, the idea of adjusting your VR settings is downright confusing and to some, scary. There seems to be a … Continue reading >>> A Ramping, the VR Command and How to Tune Your Tool for Maximum Performance Well I know it’s been too long since my last installment, and I have a bit of a backlog of ideas to write about. I’d like to detail how I use VCarve Pro and my ShopBot to work with the RTA (Ready-to-Assemble) fittings, but there is something else I need to explain first. I’m going … Continue reading >>> Customizing VCarve Pro and PartWorks Why not use the ShopBot for all my panel cutting? Mainly because I’m just not there yet with my software, panel hold-down system or spindle. That was me about a year ago. I’ve been purposely taking baby steps towards using the Shopbot for all my sheet cutting needs as I pretty … Continue reading >>> Almost There When I built my vacuum table I knew there would be items which would not lend themselves to being held down with the vacuum, so I incorporated T-tracks into the table. Not being sure how I was going to use them, I figured I’d come up with various hold-down devices as … Continue reading >>> Meet My New Friend, Cam Selecting the right bit for cutting sheet goods can be tricky, so we’ll shed some light on different bit geometries you are likely to encounter and when to use them. For most sheet goods, a regular 2-flute straight bit is a good choice. It neither pushes nor pulls the chips up or down, and it … Continue reading >>> A Tale of Three Bits…and The Poor Man’s Compression Spiral Trick So my other psychic bid involved a query from a local closet outfitter – he’s a one man show who installs closet shelving similar to the big national companies you are probably familiar with. Two of his brothers own a commercial cabinet shop and had been providing all the shelving, but they had sold … Continue reading >>> Closets In the venerable card game Bridge, bidding follows a carefully proscribed set of rules and formulas, in order to provide accurate communications and allow partners to reach the most advantageous contract. Deviating from these rules is liable to provoke the ire of one’s partner and opponents, and cause the bidders to wind up with a … Continue reading >>> Psychic Bids If you are anything like me, you want to be ready for any job that comes through the door. For me, this meant being able to quickly tool up for cutting 2” hardwood shapes that needed to be screwed down to a rigid spoilboard one day, and be able to hold down 4X8 … Continue reading >>> A Removable Vacuum Plenum that Maximizes Hold Down Potential In the last Bill’s corner we learned how to manually create part files by typing in commands, and to automate the process using the Part File Assembler. Now I know you all agree with me that this could be pretty powerful stuff, but what can we really do with it that we can’t do just … Continue reading >>> Exploring ShopBot Part Files 2 … A few months ago I replaced the worn out plywood and MDF table which came with my ‘bot (the demo model from the 2004 IWF) with a custom-designed 8 zone vacuum table. There has been a lot of interest in vacuum tables recently, and since I posted a few pictures of my newly upgraded … Continue reading >>> New Vacuum Table |
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