Surface Roughness Ra to Rz Calculator
A bearing will run cool. A hydraulic valve will seal. An aerospace part make it through its first flight. You’d expect all these functions is … Read more
Thomas Martinez
Plastic Pipe Sizes Chart
White PVC or gray pipe: That’s what you’re standing in front of. A wall, a leak, and two pipes that seem alike. It doesn’t matter, … Read more
Abrasive Belt Surface Speed Calculator
This abrasive belt surface speed calculator determines SFPM and m/min. It also calculates the belt pass rate, driven wheel RPM, material speed match, and heat … Read more
Pipe Fill Chart
Chances are good you’ve been in some dingy mechanical room looking at a jumble of fat copper wires that seem like they’ll never fit into … Read more
CNC Plunge Rate Calculator for Mills and Routers
To find a practical entry feed, you must considers several factors. These include chip load, RPM, cutter geometry, depth, entry mode, chip evacuation, material, and … Read more
Charging a Metabo 18V Battery: Steps & Timing
So there you are starting up your work day. You pull the pack from the grinder and press button. The light illuminates three bars out … Read more
I Joist Span Chart
These days, homes is built with engineered I-joists instead of solid lumber due to their ability to span greater distances while eliminating load bearing walls. … Read more
Laminated Veneer Lumber Span Chart
The contractor quotes you and it sounds reasonable, so you tear out wall to open up your floor plan. You think they got a good … Read more
CNC Ramp Angle Calculator
A simple tool to help compare different parameters before programming your linear or helical entry moves. It’s all about comparing ramp parameters like: Length, Depth, … Read more
Metal Thickness Gauge Chart
How does this relate to a gauge system? Since gauges is designed inconsistently, it is hard for eye to tell 10 ga from 12 ga, … Read more
PVC Pipe Fill Chart
You installed a half-inch conduit from the panel to the kitchen outlet. Halfway through your installation, you realize you can’t pull any additional wire in … Read more
V-Bit Engraving Depth Calculator
Quality of engraving depend on how deep you cut with the V-bit. Too little gives you crisp lettering; too much and it blows out the … Read more
Sandpaper Grades Chart
If you’ve ever strolled down the aisle of colorful abrasives wondering if you’re buying brown paper with a faint promise or actual sandpaper, you’re not … Read more
Dovetail Cutter Feed Calculator
This dovetail cutter feed calculator use material information and the cutter’s geometry to calculate the adjusted chip load and safe RPM. It also calculates the … Read more