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Chain Maintenance Programme
Solution

Stenter Chain Cleaning Lubrication and Replacement Planning

Maintenance is essential to the service life of the chain. The routine is not complicated: clean the guide and chain at least once a year, and add a high temperature grease such as DuPont, Miller or Kluber. What is harder is deciding when servicing stops being the right answer, and that decision should be a measurement rather than a judgement.

How It Works

Step By Step

Clean the guide and chain at least once a year, grease with a high temperature product, and decide service against replacement by measurement.

Annual clean

Clean the guide and chain at least once a year. Fresh grease over old residue does not do the job, and residue build-up is what shortens the life of the parts you have just fitted.

Lubricate correctly

Add a high temperature grease. A chain oil for this duty needs viscosity and adhesion so it resists sling-off at speed, high temperature stability, anti-wear and anti-corrosion additives, and low friction. Apply at the articulating interfaces, not over the outside of the chain.

Gauge the pitch

This is the measurement that decides everything else. While chain pitch gauges within tolerance, replacing wear parts is the better value. Once elongation stops the pin bed being held in register, no amount of wear part replacement recovers it.

Service the wear parts

Bushes and wear sleeves go long before connectors and pins do. Replace them along a whole section rather than individually, and check pin condition while the bushes are out, because a worn pin destroys a new bush.

Inspect the rail at the same time

A new chain on a worn rail does not last. Rail condition also decides whether you can run PEEK sliders or should stay on copper, so this inspection is not optional.

Plan the replacement

Track elongation year on year and the replacement stops being an emergency. Chain sections, with holders and pin plates already fitted, remove most of the shutdown labour when the time comes.

Schedule

The Annual Service Routine

Clean guide and chainat least once a year
Greasehigh temperature product, e.g. DuPont, Miller, Kluber
Gauge chain pitchat every annual service
Inspect guide railat every annual service
Measure slider and bush wearat every annual service
Brush wheel replacementon schedule, not on complaint
FAQ

Questions About Chain Maintenance Programme

How often should the chain be cleaned?

At least once a year. Clean the guide and the chain together, because grease over old residue does not help.

What grease should I use?

A high temperature grease. DuPont, Miller and Kluber are the brands our customers use on stenter chains.

How do I know when to replace the chain?

Gauge the pitch. While it is within tolerance, replacing wear parts is better value. Once elongation stops the pin bed being held in register, replace the chain.

Why check the rail during a chain service?

Because a new chain on a worn rail does not last, and because rail condition decides whether PEEK sliders are appropriate or whether you should stay on copper.

Which parts wear first?

Bushes and wear sleeves, well before connectors and pins. Replace them along a section rather than one at a time.

Can you supply pre-assembled sections?

Yes: chain sections with holders and pin plates fitted, or clip chain sections, both cycle tested before despatch. They remove most of the shutdown labour.

Other Solutions

Other Ways We Work

Rail Guide Conversion

Artos rail changed to Monforts rail, LK rail changed to Monforts rail, so one specification covers several frames.

PEEK Upgrade Programme

Replace copper mesh linings, metal sliders and lubricated nuts with PEEK, one interface at a time.

Infeed Station Renewal

Uncurler, web guider and pinning device treated as one station rather than three separate fittings.

Start With One Sample Part

Everything here begins the same way. Send one part per machine, we match it, and the specification is recorded so it never has to be identified again.