Material on the walkways. Buildup under the return run. A cleanup crew that spends more time on carryback than on planned maintenance. It’s easy to blame the belt. Most of the time, the belt is just where the problem shows up.
Tracking issues and pulley slippage are usually the real cause — and they compound. A belt that wanders even slightly spills material at every transfer point. Once it starts, it wears the belt edge, throws off your cleaners, and puts you back in this same spot next week.
Where Tracking and Slippage Actually Start
- Worn or wrong pulley lagging — Lagging is what gives the pulley the traction to drive the belt straight. Once it wears smooth or was never matched to the application, the belt slips and wanders under load.
- Standard pulleys in a high-carryback application — Flat-face pulleys let material pack between the belt and the pulley face. That buildup throws off tracking on both sides of the system.
- No training mechanism at the return — Without something correcting alignment on the return run, a belt that starts to wander keeps wandering until someone notices the spillage.
- Skirting that’s failed or was never installed right — Once material escapes at the load point, it’s already too late to stop it from becoming carryback further down the system.
The Components That Fix It at the Source
Diamond and Ceramic Lagging — Diamond-pattern and ceramic lagging give the pulley significantly more traction than standard rubber, cutting down slippage and helping the belt track straight under full load.
Clean-Flight and Herringbone Wing Pulleys — Martin’s Clean-Flight and PPI’s Herringbone wing pulleys let material pass through the pulley face instead of packing against it. Less buildup means better tracking and a cleaner return run.
EZ Slider Impact Beds — At the load zone, impact beds absorb the shock of material hitting the belt instead of letting the belt take that punishment directly. Less punching and gouging at impact means fewer holes and less carryback caused by damaged cover.
Return Training Brackets — When a belt keeps wandering no matter what else you fix, training brackets correct alignment on the return run and solve it permanently instead of temporarily.
Skirting Systems — Properly installed skirting seals the load point without damaging the belt’s top cover, so material stays contained before it ever has a chance to become carryback.
Diagnosis Matters as Much as the Parts
A belt that’s tracking badly for one reason won’t be fixed by a part that solves a different reason. Binkelman’s service team walks the system, identifies whether you’re dealing with a lagging issue, a pulley issue, or a loading issue, and recommends the fix that actually addresses it — not just the first part that might help.
That same visit is a good time for belt spot repairs on any sections showing impact damage, and for cleaner installs or adjustments if carryback has already started building up on your idlers.
Get a Tracking Diagnosis, Not a Guess
If you’re fighting the same tracking or slippage problem month after month, it’s worth having someone look at the whole system instead of replacing the same part again.
Three locations ready to support you: Bowling Green, Piqua, and Saginaw.
Call 1-800-862-4673 or visit binkelman.com to schedule a tracking and alignment review.