Renold Roller Chain
www.renold.com
2
I Renold Roller Chain
Renold Roller Chain
The consistent performance of Renold roller chain is ensured by a programme of continuous testing and quality audits.
Renold roller chain is highly fatigue resistant, giving up to four times the life of other leading competitor chains.
We strictly control; • Materials
Breaking loads exceed the minimum requirements of the international standards.
• Processes
• Heat Treatment • Fits
0.12
Various Chain Manufacturers
Elongation (%)
The specification of Renold roller chain has evolved from decades of design, test and application experience which delivers product reliability and consistency.
0.5” Pitch Simplex Chain
Renold Renold Synergy 70 Duration (Hours)
S-N CURVE LOAD (N)
Renold’s unique control over pin / bush contact makes sure that wear life exceeds other brands. Little initial chain adjustment is therefore required.
COMPARATIVE COMPARATIVE WEAR TEST WEAR - 0.5” TEST Pitch Simplex Chain
A - RENOLD Endurance limit B - Other Brand Endurance limit
RENOLD
A B
COMPETITOR BRAND
• Assembly • Lubrication • Packaging
Renold’s end-softened pin and spin rivet help to minimise downtime. All you need is a Renold pin extractor and you can disassemble Renold roller chain in seconds; no need to grind the head of the pin, no need for lengthy downtime.
LOAD CYCLES
8.5 x 10 6
The combination of all the features described ensures Renold Chain out-performs other brands as shown in the S-N curve above.
Renold Roller Chain
Outer plate Fatigue life is substantially improved by optimising fits between pin, bush and plates and controlling plate hole quality. Sprocket life is enhanced by matching the chain gearing exactly to the tooth form.
Bearing pin Inner plate Bush
Renold pioneered ball drifting to create precisely controlled holes, which combined with other Renold process technology reinforces fatigue resistance and improves wear performance. Fatigue life is further enhanced by shot peening and other pre-stressing processes.
Roller
Inner plate
Outer plate
Specially formulated lubricants reduce initial wear, give corrosion protection and ensure long storage life.
SHOT PEENING
Renold pins are case-hardened and centreless ground producing perfectly cylindrical diameters with extremely high surface Component life is maximised by the expert use and control of heat treatment. Fatigue life is enhanced by shot peening and other pre-stressing techniques.
BALL DRIFTING
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