POM Palm Oil Conveyor Chain Chain Plus 6" 32000lbs (Z120) - 20p incl CL (10ft)

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Solid Pin Palm Oil Chain

Challenge Palm Oil conveyor chains are designed to withstand the harsh environments found in today’s modern Palm Oil mills. Shock loads, heat and lubrication issues demand a tough, high quality solution.
Materials used are high quality alloy steels throughout. Features include case hardened alloy steel precision machined bushes. Bushes from seamless tube with location shoulders and interference fit. Spin riveted Induction hardened pins in alloy steel. Pins with location shoulders and interference fits. Hardened rollers with the outer diameter finished by grinding. Link plates cropped from cold drawn steel. Holes precision punched on dedicated progression tooling. Links manufactured from high carbon steel which are also shot peened. Numerous attachments and special options. Connecting links supplied with zinc plated steel locking nuts (Nyloc).

Solid Pin Palm Oil Chain

As with all moving mechanical parts, wear on components will always occur where there is contact between them. In conveyor chain, wear is measured by the amount of elongation over a given number of pitches where this should not exceed a 2% increase from the chains initial length, over the given number of pitches, before it is replaced. As wear in conveyor chain is a measurement of the increase in length, it follows that the wear occurs between the chains pin and bush whenever the chain articulates, such as wrapping around a sprocket.

There are numerous factors that can increase the wear life of a chain. The largest contributing factors to an increase in chain wear life are;
- Correct lubrication of the chain. This reduces the friction between the pin and the bush.
- Replacement of sprockets whenever a new chain is fitted. Replacing sprockets ensures that the sprockets wear with the chain, rather than rapidly wearing and damaging the chain to suit the old sprockets.

Conveyor chain manufacturers can also assist with increasing chain life and decreasing chain wear by;
- Grinding components after heat treatment. This ensures a smooth mating surface and decreasing surface friction.
- Ensuring minimal component clearances. This increases mating face area, reduces bearing pressures and helps prevent contamination from external sources.
- Controlling component hardness. Strict tolerances on component surface hardness ensures that one component is not prematurely worn by the other, which helps evenly distribute wear over an extended period of time.
- Machined bushes. Using precision machined bushes over those that are rolled or curled ensures that there is minimal movement in heat treatment due to distribution of the hoop stress, but also removes the joining 'lip' which can cause premature wear to both the roller and the chain pin. Machined bushes are more expensive, but this is often offset by the increase in the chains wear life.

It should be noted that some chain manufacturers tend to discuss breaking load rather than wear resistance. Breaking load is only relevant during the original machines design stages. Due to the large safety factors involved, increasing the breaking load is actually detrimental from a machine operators point of view as the increase in breaking load is often achieved by reducing the size of the pins and bushes, which in turn increases the bearing pressures and reduces the chains wear life.

Every palm oil chain manufactured by Challenge is specifically designed to maximise the chains operational wear life whilst also being durable.

Standard/bespoke attachments available.

If the chain does not have hollow or extended pins, then an attachment of some kind is generally required to attach other furniture to the chain, such as buckets or slats. Challenge offer a full range of standard welded and integral attachments, such as A, K, G, L, M and F types although we are also able to offer many bespoke attachment types as well.

Along with our range of attachments, we can also offer other features such as welded pins, anti-backbend modifications, plastic or steel wear pads, side bow, top cover plates and numerous other features.

Conveyor Chain Sprockets

Challenge manufacture a range of sprockets to suit all of our chains. Due to the large range of customer requirements, we manufacture sprockets to order. Sprocket options include;
• Boss size and location, for example a boss on one side, bosses on both sides, offset bosses, bearing inserts, taper bushes etc.
• Bore details, such as plain bore, bored and keyed, splined, bronze bushed to name a few.
• Number of teeth.
• Tooth profile, such as dirt relief, root relief and increased clearance.
• Tooth hardening such as flame or induction hardening.

As standard, sprockets are profile cut from EN8/C45 medium carbon steel plate with a boss welded on one side. The sprocket bore is then machined and the teeth are hardened if requested.

Sprockets can also be offered with a machine cut tooth profile which increases the sprockets cost, but increases the tooth profiles accuracy. Machine cut sprockets are most advantages when used in very high load or high speed applications where a slight variation in tooth position can cause uneven distribution of high loads or miss-gearing at high speed.

Numerous material options are also available depending upon quantities and the sprockets application. For high volume production, sprockets can be forged. Forged sprockets are hard wearing and accurate, but the pattern production costs are prohibitive if they are not manufactured in large quantities. Challenge already offer a range of forged sprockets for the agricultural markets.

Stainless steel sprockets are another popular option, especially for food processing or elevated temperature applications where stainless steel chain is used. Stainless steel sprockets can be offered with all of the features from their EN8/C45 counterparts.

Challenge recommend that sprockets are always replaced whenever a chain is replaced. Sprockets and chain wear together, with the tooth profile of the sprocket wear to match the increase in chain pitch as the chain wears. If a new chain is fitted to an old sprocket then it tends not to gear on every sprocket tooth as it is designed to do. By only loading the entire chain on one sprocket tooth, the chain will begin to stretch in order to correctly seat into the sprocket which will in turn, which will at best rapidly wear the chain or at worst cause the chain to fracture and fail.

Split Sprockets and Removable Teeth

Some of the main challenges when replacing sprockets are removing the shafts from the machinery and correctly aligning the sprockets between the head and tail shafts after replacement.

Challenge are able to offer split sprockets, removable tooth sprockets and split tooth/split hub sprockets in order to overcome these issues and save time during sprocket replacement.

Split sprockets allow sprockets to be replaced without removing the shafts as the sprockets are split in half and then bolted back together.

With removable tooth sprockets the hub can be left in place which keeps the original sprocket alignment, with only the outer ring of sprocket teeth being replaced.

A split tooth/split hub sprocket allows the hub to be attached to the shaft without removing it. The outer split ring of teeth are then loosely attached to the hub, alignment is made and then the entire assembly is tightened. When the teeth need replacing, the outer rings can be replaced without removing the shaft and the hub.

Buckets and Scrapers

Challenge are able to manufacture buckets to most customer specifications, with test fitting as standard if they are ordered with an elevator chain.

Scraper attachments can also be manufactured to customer specifications. These can either be bolt on type, hollow pin bolt through type, welded type or to a custom specification.

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

Unit of Sale; 10ft box

More Information
BS Chain NumberZ100
Chain NumberRCC-Z120C152.4
Chain - TypeS1
Chain StyleExtra Plus
Chain - Pitch in Inches6
Chain - Pitch152.4
Chain - Width Between Inner Plates19.16
Chain - Link Plate Height38.1
Chain - Link Plate Thickness5.1
Chain - Link Plate Thickness (2nd)5.1
Chain - Pin Length48.5
Chain - Pin Length Screw Con. Link From Chain Centreline38.3
Chain - Roller Diameter25.4
Chain - Bush Diameter25.4
Chain - Pin Diameter19
Chain - Weight - kg/m5.6
Chain - Minimum Tensile Strength - kN142
Chain - Average Ultimate Tensile Strength - lbf32000
Chain - Extended Pin Length-
Stock Code173-012
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