Jumac Spinning Cans: Removing Sliver Handling Issues With Ease

Excerpt: As a leading spinning can manufacturer with state-of-the-art business operations and 360° in-house monitoring, Jumac Cans ensures that all probable sliver problems are kept at an arm's length. Common problems that affect yarn quality - like sliver stretching, deflections, breakage, caster jamming and dust/fluff accumulation - are all done away with in an expert manner.

Although the global textile market is on a fast track of growth, uncertainties over yarn quality still linger. Poor sliver handling techniques lie at the heart of most yarn spinner problems, along with the usage of poor-quality spinning cans. These spinning issues can be many and varied - right from sliver stretching, deflections and breakage, to caster jamming and dust/fluff accumulation. Jumac Cans, with its state-of-the-art HDPE spinning can manufacturing standards and regular quality checks, delivers world-class sliver handling solutions. Here are some yarn spinning issues that Jumac safeguards against:

“Being proactive has always been in the DNA of Jumac. We simply do not believe in following the herd, rather leading by example, by innovation.”

Himanshu Fogla

Director, Jumac Manufacturing

Sliver Deflections

Sliver deflection is a very common issue that can hamper the yarn manufacturing process and affect yarn uniformity. To tackle this problem, tough and highly reliable springs are fitted in the Jumac cans. These springs maintain constant distance between the lifting roller and the top portion of the sliver coils. This keeps the can rim and the plate close when the former is empty, doing away with chances of sliver deflections.

All key components of sliver can operations - like the sliver column height and the lifting roll - are taken care of by the in-house Jumac team. The pantograph springs or box springs used in the spinning cans maintain proper balance and rule out tilting risks.

The bottom of the spring is designed with molded polypropylene. These rules out risks of sliver can damages when the spring is being inserted or removed. Through careful maintenance, mechanical fatigue is minimized and spring stiffness is maintained.

Sliver Stretching

Sliver stretching can adversely affect the performance/productivity of HDPE spinning cans. This problem occurs when the sliver gets stretched too much by its own weight. Understandably, sliver stretching pulls down yarn quality.

At Jumac, this problem is countered efficiently. The plate and the bottom rim maintain the shape of the spinning cans. Chances of sliver stretching (and resultant collapses) are minimal - particularly when the sliver cans are rotating at high speeds.

The company focuses on designing and fitting stable and consistent components in each HDPE spinning can. In order to maintain world-class sliver quality and yarn quality, Jumac follows an agile, process-driven operational approach. There are no uncertainties regarding spinning can performance.

Constant improvement and adherence to international quality standards are key in the operations of Jumac Cans. Full standardization of the sliver withdrawal process is done, to ensure no sliver stretching.

Sliver Breakage

Inefficiencies and inconsistencies in sliver can handling leads to sliver breakages, yarn damages and overall quality degradation. The Jumac team - with a keen eye for detail - removes such problems from the equation.

Spinning cans of different sizes/diameters are manufactured by the company, and due care is given to process parameters and mechanical properties. Sliver column movements are managed, and the lifting roller and sliver column top layer are kept close. Thanks to the detailed testing procedures, stiffness-losses in springs (if any) are detected and resolved easily.

With decreasing sliver volumes, spring pressure goes down as well. The bottom part of the spring expands, and the can plate with the sliver moves up. At Jumac, this entire process is made seamless. As a result, sliver breakage risks are next to nil.

Sliver Accumulation

Accumulation of dust and fluff (sliver accumulation) affects the way in which the rotor of the HDPE spinning cans groove. This often causes yarn quality to deteriorate.

To counter this problem, Jumac uses draw frames with powerful suction tools. These draw frames can quickly remove up to 85% of the total sliver accumulation. Since the sliver grip of the HDPE cans is optimally maintained, the efficiency of the spinning cans do not diminish over time. Sliver drafting is done efficiently, and there are no irregularities in the blended sliver.

Apart from removing sliver accumulations, the draw frames in the spinning cans also allow easy recyclability and reusability of the collected waste. Since the performance of the Jumac spinning cans is assured, they deliver maximum productivity and cost-effectiveness.

Caster Jamming

Sliver often has to be moved from one section of a manufacturing plant to another. In this context, the importance of the caster wheels in sliver cans is paramount. Caster jamming hampers the smooth movement of sliver - often leading to sliver damage.

The experts at Jumac use high-mobility caster wheels, with custom-fittings, in the HDPE spinning cans. The caster wheels are designed according to the size and type of the cans, ensuring zero glitches.

The caster wheels in Jumac spinning cans prevent loaded sliver cans from tipping over, and offer enhanced movement efficiency. These non-abrasive sliver cans have excellent tensile strength and tear strength properties as well.

Robust heat-resistance is yet another important feature of the spinning cans. When subjected to very high temperatures, the caster wheels do not undergo size and/or shape damages. Nylon 6 and polypropylene are preferred as caster wheel material.

The Final Word

For yarn quality maintenance and optimization, the importance of efficient sliver handling practices is immense. With its focus on quality and 360° in-house monitoring, Jumac makes sure that yarn-spinning is glitch-free - and none of the otherwise common problems crop up. As the global demand for premium-grade yarns is escalating, the need for quality-assured, efficient HDPE spinning cans is going up as well. By removing all possible sliver handling issues, Jumac is steadily consolidating its position as a market leader.