Why your quote came back wrong: automated estimates vs. engineer-reviewed quotes
Why your quote came back wrong: automated estimates vs. engineer-reviewed quotes
You’ve uploaded a file to an online quoting platform and gotten a number back in under a minute. Sometimes that number is reasonable. Sometimes it’s wildly off. And sometimes it looks right until the part comes back and something is wrong.
The problem isn’t the speed. The problem is what the algorithm doesn’t know.
What automated quoting actually does
Online quoting platforms analyze geometry. They look at the CAD file, identify the envelope, count the features, and apply pricing based on what the model looks like. What they can’t do is read the drawing notes, understand the functional intent behind a tolerance, flag a material spec that conflicts with a surface finish requirement, or identify that a feature is going to be difficult to hold at production volume.
The algorithm prices what it can see. The problems that create rework, delays, and cost overruns usually come from what it can’t.
Tight tolerances and why algorithms get them wrong
A tolerance of ±0.001″ on a bore diameter has a very different production cost than ±0.005″ on the same feature. The difference isn’t just in the machining. It’s in the inspection, the fixturing, the process controls, and the reject rate. An automated system that doesn’t read the drawing notes may price both identically.
You get a quote that looks right. The job starts. And then you find out the tolerance requires a process or inspection step that wasn’t in the price.
Material and finish conflicts
Some materials don’t respond well to certain finishing processes. Some surface finishes require specific pre-treatment steps. Some anodizing specifications conflict with dimensional tolerances because the coating adds material. These interactions exist in the details of the drawing, not the geometry of the model.
A person reviewing the drawing sees these before the job is quoted. An algorithm prices the model and moves on.
What engineer-reviewed quotes look like
At Precision Expedited, every drawing is reviewed within 24 hours. That review looks at the tolerances, material callouts, finish specifications, notes, and the relationship between all of them. If there’s a conflict or a risk, you get a flag before production starts.
You get a real number based on what the part actually requires to build correctly. DFM feedback is included. The timeline is defined. Nothing is left to be figured out after the order is placed.
The test for your next quote
If a quote comes back in under a minute with no questions asked, it came from an algorithm. Ask yourself what that algorithm couldn’t have known about your drawing. Then decide if that’s the foundation you want to build a program on.
Send us your drawings
Send us your files and see what a drawing review actually finds. Quote back within 24 hours.
