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Forestry Case Study

Forest Industry

Higher Shock Load Capabilities

Application Overview:

Kiln dryer chain application


Problem:

After 7 years of use, the chain was worn out, experiencing elongation and pin failure.


Solution:

Drives 81XKD with a through hardened pin

Increased fatigue resistance

Higher shock load capabilities without sacrificing wear life

Increased transverse clearances between plates, preventing stiff joints


Cost Savings

Under review


Lower Operating Costs

Application Overview: 120 chain used in critical log pusher conveyor.


Problem:

A wet, harsh, and dirty environment caused quick chain wearout. User was considering sealed joint chains for replacing the 120 chain, but this chain had a high cost and a long lead time.


Solution:

Standard chains with hard chrome pins

Chain life at least 2X longer

Short lead time of 3-4 weeks

Cost only slightly higher than standard chain


Cost Savings"

Under review


Savings Realized in Down-Time and Replacement Costs

Application Overview:

Board edger in sawmill


Problem:

The chain used on a high speed serpentine drive had a short life of only 2 months.


Solution:

100-1R Extended Life CHP

Life of chain extended 3-4X

Less down-time

Fewer replacement costs


Cost Savings:

Under review


18 Months Without Failure

Application Overview:

Debarker chain at lumber plant


Problem:

The 120H-1R chain with case hardened pins had a short life. Shock load applications were causing pin breakage, and the chain needed to be replaced every 4-5 months.


Solution:

120HZ-1R with through hardened pins and a press t connecting link

New hardened tooth sprockets recommended

Life of chain: over 18 months


Cost Savings:

Under Review


Tripling the Life of the Chain

Application Overview:

Board planer chain in sawmill


Problem:

The 140-1R chain on the planer wore out quickly, requiring replacement every month.


Solution:

High quality precision roller chain

Life of chain: 3X longer


Cost Savings

$6,592


Chain Life 3X Longer

Application Overview:

120H roller chain driving saw arbors in a timber processing machine. Saw arbors are multiple circular saws mounted on a shaft. They are used to cut cants into smaller dimensions.


Problem:

Shock loads for the chain are very high, and the particles from the cut wood are extremely abrasive. Elongation happened quickly, and the chain needed to be replaced every 4 weeks.


Solution:

Drives 120H standard roller chain

Quality features built into the Drives chain leads to a 12-week chain life (3X longer)


Cost Savings"

$6,500 per year


Less Chain Usage with Drives USA Roller Chain

Application Overview:

Power Transmission contract for 4 sawmills of a major lumber company. Contract was taken over recently by another distributor.


Problem:

The mills had high replacement rates for roller chain.


Solution:

New distributor switched to Drives USA roller chain

35% reduction in purchased roller chain units


Cost Savings:

Under Review



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