New dyeing technology from Thies with superior features

06 Sep '08

6 min read

Jiangmen Kam Fung Fibre Technology Co. Ltd. has quickly recognised the importance and benefits of its MPS dye-stuff and chemical automatic distribution system developed by German dyeing technology specialist Thies.

The Chinese company is a wholly-owned subsidiary of Victory City International Holdings Limited, now one of the world's largest knitted fabric manufacturers, with a vast manufacturing complex at Xinhui, located 50km south of the port of Jiangmen in Guandong Province.

The MPS system is providing Jiangmen Kam Fung's yarn dyeing operations with an unprecedented advantage over its local competitors with the ability to precisely control the supply of dyestuffs and chemicals to over 100 yarn-dyeing kiers in configurations of up to 10,000 pounds (twin kiers) capacity.

It includes some 69 Thies eco-bloc X high temperature dyeing machines with varying capacities, characterised by the latest know-how in respect of liquor flow and circulation, flow rate and economic efficiency. The eco-block units can accommodate many different types of materials including packages, muffs, warp beams, loose material, tops and ribbons.

They are laid out to achieve the ultimate liquor ratio, depending on the dyeing method, package form and substrate.

The short liquor ratios guarantee a gentle treatment of the yarn, minimising potential breakages in the subsequent winding and knitting processes.

Jiangmen Kam Fung also operates ten Thies eco-bloc Quattro units with the Thies MPS-D providing : and the MPS-L for liquid chemical volumetric distribution to ensure hassle-free operation and reduced manpower benefits.

The MPS-D system, in conjunction with an OrgaTex overhead system, automatically receives a signal for powder dyes preparation. The pre-weighed pans of dye are subsequently fed into one of the MPS-D unit sat the appropriate time, prior to being precisely dissolved and then transferred to the dedicated dyeing machine according to production planning.

For MPS-L no further manual involvement is required, since precise quantities of all chemicals are distributed automatically.

“When you are dealing in dyeing lots of such size, you want to have the confidence to know it won't go wrong,” said Jiangmen Kam Fung plant manager Andy So. “We can pay a very heavy penalty for even a minor mistake.

“In addition, there is no longer much advantage in China in respect of labour costs for the experienced staff required in textile processing who make all the difference in day-to-day operations, so it's now preferable to eliminate any potential human error as much as is possible. It's no longer easy to hire experienced workers in the dyeing business, but the MPS is very user friendly and easy to get to know, which helps us considerably.”

“Obviously, repeatability is another key issue for us,” said Mr So. “In order to keep the quantity handled by our workers within acceptable levels we must rely on machines that are built for high efficiency and reliability, and also ensure the lowest liquor ratios to keep our costs as low as possible. Thies has the best reputation in the industry in these respects.”

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