litespeed® 

The lightweight way to CO2 reduction


Many years of research and development together with customers and machine manufacturers from all over the world have paid dividends. The result is an impressive needle for high-performance circular knitting machines: the litespeed® combines ecology and economy in a manner that is quite unique.

The main features of a litespeed® needle


  • Optimized needle shank geometry via partial reduction of needle shank thickness
  • Reduced needle weight

More about the unique shank geometry

The diagram on the right displays the geometry of the litespeed® needle. The partially reduced shank thickness can be seen in the enlargement. This shank geometry results in increased needle-shank flexibility, allowing the needle to withstand ever-higher machine speeds!

The Benefits at a Glance


litespeed® optimizes lubrication behavior and reduces oil consumption.

litespeed®

The partially reduced needle-shank thickness enables improved needle-oil distribution.

Benefits:

  • Reduced friction in the needle trick
  • Less energy required to move the needle
  • Less oil fogging
  • Reduced oil requirement due to optimal lubrication

 

litespeed® reduces energy costs – long term.

The lower friction in the needle trick and the reduced needle weight make needle movement far easier.

 Benefits:

  • Power consumption of the machine reduced by up to 20 percent
  • Reduced energy consumption leads to lower room temeratures.


Machine temperature by comparison

litespeed ® lowers machine temperature.

Modern high-performance circular knitting machines frequently have their speed reduced by high temperatures. In practice, temperatures of up to 100°C have been measured on cylinders or cam parts. The use of litespeed ® needles reduces machine temperatures by up to 20 percent.

Benefits:

  •  Longer service life of machine parts, cam parts and drive systems
  • Long-term reduction in maintenance costs and related expenditures
  • Simplified needle and sinker changes

Possible production increase coupled with higher speeds

litespeed® increases productivity.

Because of its partially reduced needle shank thickness, the litespeed® needle is more flexible and therefore more durable. The shock waves generated by the needle butt hitting the cams are more effectively absorbed in the needle shank, significantly reducing needle breakage.

The combination of lower heat build-up, optimized oil distribution in the shank area and improved needle shank flexibility enable higher machine speeds and, as a result, an increase in productivity.


The enormous reduction of CO2 roughly corresponds to the following emission values of various means of transportation:

10.080 km km in a modern mid-sized car
3.979 km flight by plane (Frankfurt - Bombay = 6.584 km)
37.801 km train journey
75.602 km bus journey

 

Figures for CO2 emissions: 2)

Car 150 g CO2 / km
Plane 380 g CO2 / km
Train 40 g CO2 / km
Bus 20 g CO2 / km

Source: www.CO2-emissionen-vergleichen.de

1) The CO2 emission factor is based on data from the electricity costs of India. In other countries the emission factor may be different. The manufacture of 3,000 litespeed® needles creates 3 kg of CO2. This emission has already been taken into account in the above calculation and removed from it.

2) The CO2 emission of the means of transportation relates to a single person.


litespeed® lowers emissions.

Can a miniaturized precision tool really make a noticeable environmental impact? It sure can – weighing only 0.6 grams, the litespeed® needle represents many tonnes of CO2 reduction.

The positive effect on the environment has been impressively proven in numerous different tests. Displayed below is an example of the CO2 reduction based on a circular knitting machine in India: 1)

CO2 emission standard:  9.730,78 kg CO2
CO2-emission litespeed ®:  8.215,74 kg CO2
   
» reduction

1.512,04 kg CO2 = 1,512 t CO

Like to work out the potential savings of your own machines? The Groz-Beckert Competence Team will be happy to help!


Data for sample calculation

All the above calculations are based on the following parameters:

Single-jersey machine Pai Lung, 34", E 28

  • 2,988 needles
  • Power consumption per hour at a machine speed of 17 rpm:

Standard  Vo 141.41 G 001  1,914 kW
litespeed®  Vo-LS 141.41 G 001  1,616 kW
average  machine runtime / day:  15 h
average machine runtime / week:  6,5 days
Runtime  needle pack (3.000 needles)  4.000 h
CO2  CO2 emission factor (electricity mix India)  1,271 kg CO2 / kWh

The KYOCERA environment Prize




litespeed® protects the environment.

Groz-Beckert was honored with the KYOCERA Environment Prize for its pioneering and innovative development of the litespeed ® circular knitting machine needle

The KYOCERA environment Prize is one of the most prestigious environmental protection prizes in Germany and focuses on innovation, market potential, environmental burden relief and transferability to other companies.

In 2011 Groz-Beckert was also hailed as a "Green Pioneer" at the Korea EU Award. Here, too, the success of the litespeed® needle played a major role!

litespeed® in use

You too can combine economy with ecology, and benefit from the numerous advantages of the litespeed® needle for high-performance circular knitting machines!


Like to find out more about the litespeed® needle from Groz-Beckert? Just read the product brochure, under "Further Information".