Compactor Operator is responsible to do the specified job of shrinking & compacting of knitted fabric with proper control of parameters to get the desired effect on a compactor operator. He should be able to operate the machine- carry out routine cleaning & preventive maintenance activities to produce defect free fabric.
This job requires the individual to have thorough knowledge of process flow and material flow in a processing mill for fabric production and should know the important functions and operations of a compactor operator.
How do compactors work?
compactor operator the heavy plate on the bottom of the machine rapidly moves up and down. The combination of pressure force and plate weight force ensures that the soil packs together more tightly.
compactor operator that use this static force, use smooth or padded rollers to knead the earth for enhanced compaction. Conversely, compactor operator that use vibratory force allow for deeper compaction beneath the ground. Either way, two or four passes over the soil is generally enough to achieve proper compaction.
What are the different types of Compact Operator available?
It is essential to choose the right compactor operator for the job. In the grand scheme of things, there are three most common types of compactor operator including flat plate compactors, jumping jack compactors and rollers. The term compactor is often used interchangeably across these machines, however, it is important to know their differences.
Flat Plate Compactors
Flat plate compactors, also known as wacker plates, are pieces of construction equipment used to compact materials like soil, gravel, sand and clean fill for construction projects that require stable surfaces. Flat plate compactors can be found on road laying projects that require concrete slab pouring.
compactor operator are useful as they reduce the size of soil and other materials by using either vibratory or static force with hydraulics. Vibratory flat plate compactors come in a range of sizes but are noticeably small when compared to their larger roller counterparts.
Jumping Jack Compactors
Jumping jack compactors or rammers easily compact cohesive soils thanks to their smaller plates, allowing for more focused and direct compaction. More soil can be added to each layer when using these smaller plates, making the process of filling and compacting a hole or trench much quicker.
Jumping jack compactors are also ideal in tight areas where larger compactors cannot access. These compactors are colloquially referred to as ‘Paddy’s Motorbike’ in Ireland from the way the operator appears to ‘ride’ the compactor holding the handles like a motorcycle.
Rollers
Compact rollers are ideal for compacting cohesive soil, such as silt or clay. Rollers are commonly used on projects dealing with asphalt that forms a layer below pavements, roads, driveways and parking spaces. Rollers are better to use in large areas where there is more space to move around.
Another advantage of using compact rollers is that they travel faster to complete larger areas faster. The speed of compact rollers make them a valuable asset for road construction or any large project under tight time constraints.
What is compaction equipment?
Pedestrian rollers
Sometimes called hand-guided, duplex or walk-behind rollers, they comprise one or two vibrating rollers with a typical width of 650 mm or less.
Trench compactors
Equipped with two vibrating drums, these machines are either articulated or have a rigid frame with skid-steering split drums. Typical drum widths are 650-850 mm and they feature remote control to allow them to be used in applications where it would be dangerous or illegal to deploy personnel.
Tandem rollers
Ride-on tandem rollers have two drums and, depending upon their specification, either one or both drums will vibrate or oscillate. They come in a wide range of sizes from 0.9 to 16.5 tonnes, and are used primarily for compacting asphalt. The frame may be rigid or articulated, and there may be drives to one or both drums. Some models have split drums for better finishing on curves.
Self-propelled rollers
Self-propelled rollers, or soil compactors, have a single drum at the front and a driven steering axle with treaded tyres at the rear. The front drum may also be driven. It may be of smooth steel or rubber-coated for asphalt, or pad foot for earth compaction.
Pneumatic-tyred rollers (PTRs)
Pneumatic-tyred rollers (PTRs) rely purely on their weight and in consequence are ballasted. Their function is to bring the finer particles to the surface of an asphalt mix and to leave a completely smooth surface, which will not ripple as the final vibratory tandem roller, seals it.
Combination rollers
Combination rollers, or combi rollers,have one smooth, vibrating steel drum at the front, and a set of smooth rubber tyres at the rear. Combining aspects of PTRs and tandem rollers into a single machine has the attraction of offering both high compaction and a high quality finish.
Towed rollers
Towed rollers are usually used with crawler dozers. They carry a small engine to power the vibrator.
Static rollers
Static rollers are non-vibrating and with a single drum on the front and two at the rear. The weight of the machine can be increased by adding ballast such as water, sand or a mixture of both to aid their ability to compact material.
