We had a Circular Machine a few months back that gave us more trouble than anything in a while. Not because anything was broken—it just wouldn’t make fabric that looked right.

The customer sent over their yarn sample and spec sheet. Everything looked fine on paper. But when we ran the first test, the fabric surface had this faint unevenness. Not enough to fail inspection, but enough that you’d notice it under good light. Most people probably would’ve shipped it. We didn’t.

So we swapped the yarn and ran it again. Still there.

Then we pulled a different lot from our own stock—same count, different supplier. It got a bit better, but not by much. By that point, two of our techs were just standing there looking at the machine, trying to figure out what we were missing.

We adjusted the timing on that Circular Machine three times. Each time it looked fine for a few meters, then that faint pattern came back. One of our senior guys—he’s been doing this for over twenty years—came in on a Saturday because it was bothering him. He brought his own loupe and just stood there watching how the needles were engaging.

In the end, it wasn’t the machine at all. The yarn had inconsistent twist from cone to cone. Took us about a week to figure that out. We went back to the customer, explained it, they sent a new batch, and the fabric finally came out the way it should.

The Interlock Machine we shipped around the same time had its own issue. Different problem—the stitch uniformity started drifting slightly after a few hours. We had our calibration guy come back twice just to check the sinker heights again. He kept saying “it’s within spec,” but you could tell he wasn’t convinced either.

So we took the cam section apart, cleaned everything, and set it again with a new set of needles just to be sure.

By the time both machines went out, I think five different people had checked them. Maybe a bit much. But nobody wanted to be the one who let something go that didn’t feel right.

Sometimes I wonder if we spend too much time on this kind of thing. Then again, every time we’ve rushed something in the past, it’s come back later.

So now we just go through it again. Swap the yarn again. Adjust the timing again. Call someone back in if we need to. It’s slower, sure. But at least when something leaves here, we know what we’re sending out.

Morton — Advanced Knitting Solutions