300kN Drop Forged Chain - 142 Series

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Drop Forged Chain

Very common in drag conveyors due to its high strength and low weight, narrow cross section (and therefore reduced friction), lack of roller but smooth sprocket gearing profile and fork design preventing bulk material penetration. Various steels can be used during manufacture which increase the breaking load and can also offer a harder surface after heat treatment which reduces sliding wear during operation. A full range of welded scrapers and sprockets are available upon request.

Drop Forged Chain

Drop forged chains offer a standardised solution for heavy duty bulk conveying in abrasive or aggressive environments such as boiler ash and cement. This chain is usually used as a single strand scraper system for horizontal and inclined conveying. The forging process, material selection and post production heat treatments provide a strong and ductile chain capable of combatting fatigue and shock load failure.

Generally supplied with a range of welded steel flights in various configurations or bolted nylon flights. Other attachment and fitting configurations are also available for the entire range of drop forged chains along with full range of sprockets.

We work hard so that your conveyor chain can too - Premium Manufacturing as Standard
All our conveyor chains are manufactured using the very latest manufacturing technology and techniques. With fully punched and shot peened link plates, CNC machined components, precision component fits, in house heat treatment, fully ground round parts and heavy-duty spin riveting, our standard is designed and proven to outperform other leading brands.

Cropped links from medium carbon steel
Our link plates are precision punched from cold drawn steel. Not only does this limit internal stress, but it also provides a precision hole pitch and increased tensile strength due to grain alignment.

Shouldered or flatted case-hardened bushes
Inserted with a press fit to prevent rotation and produced from on-size chromium-molybdenum seamless tube for minimum distortion, superior concentricity and maximum strength.

Shouldered or flatted case-hardened pins
Secured with a press fit and spin riveting. Selective in-house induction hardening allows deep case depth on wearing surfaces without stressing/cracking the pin ends during assembly and riveting.

Hardened and ground Precision Rollers
Through hardening and a light grind after heat treatment ensures a dimensionally accurate roller with a good hardness even after wearing during operation.

ISO 9001 and full traceability
Strictly manufactured to ISO 9001 with quality checks at every stage of manufacture. Our chains are fully traceable back to their original materials, which are also independently tested upon delivery.

Our Standard range and above features cover; British Standard (Z) Series, M Series and FV Series

Whatever your requirements, we have all the options covered
There are a wide array of nonstandard and heavy-duty conveyor chains used throughout industry today. These chains are often developed to offer extended service lives, increased strength, enhanced reliability and operational speed or perform special duties within the industries that they serve. Challenge has well recognised experience in many of these industries, including;
• Palm Oil
• Sugar
• Cement
• Automotive
• Timber and Paper
• Steel manufacturing
• Food
• Mining
• Waste and Recycling
• Bulk Material Handling
• Ovens
• Water Treatment
• Agriculture

We can cater for a wide range of special requirements, which includes but is not limited to;
• Plasma nitride hardened pins and bushes
• Stainless steel (all grades)
• Sherardized plates and attachments
• Molykote dry lubricants
• Hot dip glavanizing
• Zinc/nickel plating
• Food grade oils
• Nonstandard chain pitches

Sprockets to suit our entire conveyor chain range
Transmission and Conveyor chains are driven by sprockets. The even distribution of power relies on accurate gearing between the sprocket teeth and the chain rollers or bush.
As sprockets greatly affect the life of the chain, all Challenge sprockets from cast through to precision machine cut are manufactured to strict tolerances and quality controls. We also advise all of our customers to replace their sprockets whenever a chain is replaced in order to maximise the chains life.

All lengths/coils of conveyor chain are supplied with a standard connecting link on the end of each length or coil.

Unit of Sale; 5m box

More Information
Chain Number142
Chain - Pitch142
Chain - Link Plate Height50
Chain - Link Plate Thickness11
Chain - Pin Diameter25
Chain - Distance Over Inner Link20
Chain - Distance Over Outer Link42
Chain - Minimum Tensile Strength - kN300
Chain - Pin Centre To Attachment Hole Centre Or Front Face46
Stock Code0
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