Page 46 - February-March-2018

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Increased production due to conversion

A success story of the card C 70

“The technological innovations of the card C 70 make us more profitable. Production has increased
substantially although the costs for the conversions were very low. As a result, we bought more
sets of parts and upgraded all our cards. With Rieter’s innovations and technology, we can
maximize our profits.”
Xinfeng Cui (Honghai Hangzhou Textile Co., Ltd.)

The C 70 card produces carding tape with excellent quality values Production increase of 100%: The C
70 card runs at 160 kg/h
Rieter's customer Honghai Hangzhou Textile Co., customer was keeping the quality level of the sliver,
Ltd. is very successful on the market with its viscose even at higher speed.
yarns. Increased demand meant the company was
looking for ways to increase production and was The Solution: New technology components for the
able to achieve this with new technological parts. card C 70
Following Rieter's recommendation, Honghai
Honghai Hangzhou Textile Co., Ltd. is a subsidiary decided to test various new technological parts.
of the Hongfeng Textile Group and is located in Among other things, this included an
Hangzhou, China. The company invested in a Rieter aerodynamically optimised profile, the so-called
plant with semi-automatic rotor spinning machines. tongue, that influences the transition of the fibres
The customer produces 50 000 tons/year of Ne 10 from the card cylinder to the doffer. During the trial
and Ne 30 viscose yarn. The yarn is well known on period, the company ran two cards very successfully
the market and demand is high. The yarn is sold in with a production of 160 kg/h each while maintaining
China to the Zhejiang, Fujian and Guangdong the high sliver quality. Based on the positive results,
regions and is also exported to international markets Honghai decided to upgrade its remaining 68 cards
such as Brazil and Turkey. with the recommended parts

The Challenge: Greater demand The Benefits for Honghai: Increased production
In 2016, Honghai faced a very high demand for Production at the spinning mill increased by 40% to
viscose yarn. The already high performance of the 100%. The investment in the new technology for all
cards C 70 with 80 to 115 kilograms sliver per hour cards paid off in a short period of time. The
was unable to meet the demand. Rieter company was able to quickly adjust to meet the new
recommended upgrading the cards with new parts situation on the market for viscose yarn and also
in order to increase production. Important for the expand its position in the market.

February/March 2018