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1Blow @All4Pack, hall 6, booth F040

Since commencing production in 2010, 1Blow has been producing next-generation stretch blow-moulding machines suited for PET bottles converters. In 2018, these limits are said to be pushed further with the commercial launch of the new 4LO stretch blow-moulder.

The 4LO is built upon the same, effi cient virtual-rotary platform that has been commercialised in numerous applications over the last six years. The 4LO possesses all of the superior 1Blow machines features and benefi ts. Rotary motion is the key to achieving high-speed and low energy consumption in machinery through its unique virtual rotary concept. Over 90 % of the 4LO machine motions are rotary with a maximum mechanical output of 2,000 bph. All of the main machine motions on the 4LO are driven by servo-motors. Known for their repeatability and reliability, servo-motors are most energy effi cient motion system. 1Blow says that comparative operational testing to similar sized competitive machines has demonstrated that their machines can use up to 60 % less energy. The 1Blow clamp format and stretch rod pitch were designed for all blow moulds from virtually all other competitive SBM machines on the market. This ability allows customers to utilise existing blow moulds on a 1Blow machine; some of the company’s customers are already using two or three diff erent types of blow moulds. The 4LO was designed to minimise the number and quantity of change parts with the goal of reducing format costs for converting customers. Another benefi t of minimising the number and quantity of change parts is that it takes less time to do a machine changeover: in some cases the machine has 50 % fewer change parts.

Despite its compact footprint, the 4LO has superior internal accessibility for technicians. The virtual rotary concept is spatially effi cient and provides many open areas inside the machine large enough to comfortably accommodate a technician. Furthermore, the 4LO machine can accommodate several options, providing more possibilities for various applications and markets: - Preferential and off set neck heating: with this additional specifi c heating system, selected longitudinal areas of the preform may be specifi cally heated in order to produce oval bottles. These longitudinal areas may also be moved off - axis from the preform centreline, so that off set neck bottles can be produced. - Neck orientation: this mechanical system puts all the neck fi nishes on each and every bottle to be in the same orientation. This is invaluable for containers that use a fl ip-top cap so that is aligns in the proper position for opening and pouring. 1Blow can do this alignment without the need of a specifi c tab or V-notch on the preform. The system relies on the thread start and thus can use standard preforms, opening us the spectrum of preforms that can be used. Heat set: this set combines heated blow-moulds with recirculating high pressure air cooling to induce higher cristallinity into the bottles. This higher cristallinity allows the resultant bottles to have heat set resistance for the hot fi ll process.

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