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BD 7

BD 7
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BD 7

Product catalog summary
Introduction
The BD 7 is a semi-automatic rotor spinning machine powered by Autocoro technologies, designed to boost productivity in spinning mills by up to 25%. It features customizable machine lengths and take-up speeds reaching 230 m/min, suitable for high-speed production.
Key Features
  • Energy Efficiency: Incorporates energy-efficient motors and improved aerodynamics, reducing energy consumption by up to 10%.
  • High-Speed Spinning: Capable of spinning at speeds up to 230 m/min for various raw materials, including regenerated fibers.
  • Digital Technology: Equipped with patented DigiPiecing technology for efficient and reliable piecing.
  • Flexibility: Offers options like MultiLot, PilotGroup, and Fancynation for enhanced operational flexibility.
  • Ergonomics: Features a 3-color LED signal system and easy package removal for optimized labor utilization.
Energy and Economics
The BD 7 is designed to minimize energy costs with energy-saving drives and online energy monitoring, supporting long machines and high take-up speeds for optimized productivity and economic efficiency.
Ergonomics and Operator Convenience
Ergonomic features include a lower operating height and easy-to-remove screens, enhancing operator convenience and reducing labor requirements.
Quality and Innovation
The BD 7 produces high-quality yarns using technologies like Corolab Q2 and F2 for digital yarn quality assurance, supporting large package sizes and a wide range of yarn counts.
Customer Support and Services
Saurer provides comprehensive customer support through SUN – SERVICE UNLIMITED, offering consulting, installation, maintenance, and updates. The SECOS 2.0 tool enhances operational efficiency by providing access to service documentation and original parts catalogues.
Conclusion
The BD 7 sets a new standard in semi-automatic rotor spinning with advanced technologies and features, significantly improving productivity, energy efficiency, and operational flexibility.
Overview
The document details the technical specifications and features of the BD 7, designed for processing natural and manmade fibers, including machine design, technological parameters, and optional components.
Machine Specifications
  • Type: Semi-automatic rotor spinning machine BD 7 with a sectional design of 24 spinning positions per section.
  • Spindle Gauge: 230 mm.
  • Sections: Maximum number limited by raw material and spinning settings.
Technological Parameters
  • Raw Materials: Suitable for natural and manmade fibers and blends with fiber lengths up to 60 mm.
  • Yarn Count Range: 294 – 15 tex / Nm 3.4 – 68 / Ne 2 – 40.
  • Draft: 20 – 350 fold, with options for DigiPiecing and coarse yarn machines.
Basic Machine Features
  • Drive System: IDS Intelligent Drive System with variable parameters including rotor speed and spinning vacuum.
  • Piecing Technology: MasterPiecing or DigiPiecing for digitally controlled piecing.
  • Vacuum Adjustment: EVA Electronic Vacuum Adjustment for consistent spinning vacuum.
  • Operator Interface: Touchscreen input and data display with USB interface.
  • Waste Management: Three-chamber system for separate collection of yarn residues, waste, and fibers.
Optional Features
  • Fancy Yarn Device: Fancynation for producing fancy yarns.
  • MultiLot Processing: Allows simultaneous production of up to 2 lots on one machine.
  • PilotGroup: Enables production of sample and test packages.
Spinning Components
  • Rotors: Available in various coatings and diameters, with speeds from 13,000 to 120,000 rpm.
  • Opening Rollers: Available in different coatings and tooth geometries.
  • Navels: Options include ceramic and steel navels for different yarn types.
Winding Head
  • Package Formats: Cylindrical and tapered packages with various dimensions and weights.
  • Take-up Speeds: Up to 230 m/min with DigiPiecing.
  • Waxing Device: Single motor-driven for wax rolls up to Ø 38 mm and 45 mm in height.
Quality Monitoring
  • Corolab Digital Technology: Systems for yarn quality control and clearing of thick, thin places, and foreign fibers.
Additional Systems
  • Travelling Cleaner: For cleaning spinning positions and suction of fiber fly.
  • Automatic Package Removal: Systems like single palletizer or Autoflow for package removal.
Power and Installation
  • Supply Voltage: 380 - 600V 50/60Hz with specific power and fuse requirements.
  • Floor Plan: Detailed dimensions and weight specifications for machine setup.
Quality Assurance
The quality management system complies with EN ISO 9001 standards.
See more

Catalog excerpts

BD 7-1

BD 7. POWERED BY AUTOCORO TECHNOLOGIES.

 Open the catalog to page 1
BD 7-2

Powered by Autocoro technologies. Discover the new BD 7: innovative components from the Autocoro and improved BD technologies are giving spinning mills a powerful turbocharger for maximum productivity. Up to 25 % more productive, with customised machine lengths and take-up speeds of up to 230 m/min – the BD 7 facilitates high-speed production with maximum output per square metre. Spin outstanding quality more flexibly, economically and ergonomically: the new BD 7 is in a class of its own when it comes to semiautomatic rotor spinning.

 Open the catalog to page 2
BD 7-4

BD 7 The new BD 7 with E3 added value - in a class of its own. Superb economic efficiency with premium technologies from the Autocoro will guide your spinning mill unerringly to the top of the market. Discover the latest generation of the BD 7: even more energy and labour-efficient – and highly productive. Highlights ff Minimise energy costs with the latest generation of energy-efficient motors ff High-speed spinning at up to 230 m/min for all raw materials, even when processing regenerated fibres ff Autocoro package quality with excellent unwinding properties in downstream processing ff Patented...

 Open the catalog to page 4
BD 7-5

ENERGY __ ECONOMICS ERGONOMICS E3 - Triple added value We aim to provide our customers with innovative products that make a difference in their production and profitability. The passion for our products drives our innovation. By focusing on our customers’ requirements and combined with Saurer’s philosophy of innovation and sustainability, triple added value has been created. Energy Up to 10 % less energy ► Energy-saving drives ► Higher efficiency level ► Better machine aerodynamics ► Online Energy Monitoring Economics Increase productivity ► Long machines ► Take-up speeds of up to 230 m/min,...

 Open the catalog to page 5
BD 7-6

Minimal energy costs Up to 10 % less energy — ff Frugal motors for energy saving ff Online Energy Monitoring on the Informator ff Lower energy consumption thanks to improved aerodynamics

 Open the catalog to page 6
BD 7-7

Energy efficiency Maximum energy savings with improved drive technology The drives on the BD 7 convert energy into power especially efficiently. This is because Schlafhorst engineers prefer to use top-quality, frugal motors of the latest generation for the BD 7. To your advantage: you achieve a higher efficiency level and save energy in production in the long term. Optimised aerodynamics for ultra-efficient production The improved design of air-guiding elements and an innovative surface structure provide the perfect configuration of the air flow. No valuable energy is wasted on the BD 7, which...

 Open the catalog to page 7
BD 7-8

More successful in all markets with Autocoro technologies — ff The semi-automated machine with patented digital technologies in a customised length – up to 25 % more productive with 600 spinning positions ff Extremely quick with take-up speeds of up to 230 m/min on all machine lengths and package formats thanks to DigiPiecing, additional drive technology at the centre of the machine and highly precise Autocoro winding technology ff Exceptionally high piecing reliablity with DigiPiecing ff More profit through maximum productivity with Joint Spinning In ff Entirely new sales markets – much more...

 Open the catalog to page 8
BD 7-9

Turbocharged productivity Patented digital technology for the highest efficiency ratings Digital piecing technologies with high piecing reliability and the high-precision winding technology from the Autocoro offer a performance guarantee on the BD 7. Together they break through the productivity ceiling of semi-automatic machines. The BD 7 excels with the top performance in its class. With a machine that is ideally configured - including a customised machine length - you make the best use of your production area, giving you a strong competitive advantage in the market. High-speed packages with...

 Open the catalog to page 9
BD 7-10

Piecing reliability Record-breaking: Autocoro DigiPiecing technology for premium quality Piecing with the maximum success rate for all package diameters: the patented digital drive technology DigiPiecing from the Autocoro is your guarantee of success for even greater productivity and piecing reliability in the BD 7. PATENTED BY SCHLAFHORST

 Open the catalog to page 10
BD 7-11

MasterPiecing: consistently good piecings thanks to digital key components Only market and technology leader Schlafhorst offers you piecings with digital key components. With MasterPiecing you can piece outstandingly precisely and reliably even with the BD 7 basic specification. The proven piecing quality exhibits impressively high strength and an improved appearance, and is achieved at take-up speeds of up to 200 m/min. More productivity for more profit - that‘s the new BD 7. PATENTED BY SCHLAFHORST

 Open the catalog to page 11
BD 7-12

Extend your lead Fastest run-up with Joint Spinning In Full efficiency achieved in max. 10 minutes. With the Joint Spinning In option, you can resume production extremely swiftly following a power outage. This is a great advantage on long machines in particular. Improved NSB 6 spinbox, ideal for 42-inch spinning cans The best spinbox in the semi-automatic segment has now become even better. Ensure perfect yarn values and optimum spinning stability for every raw material. The new design is optimally suited to 42-inch spinning cans on account of the new gauge. PATENTED BY SCHLAFHORST Full production...

 Open the catalog to page 12
BD 7-13

Flexibility MultiLot for efficient lot management Highly versatile in operation with optimum machine utilisation: with MultiLot you can spin two lots simultaneously on the two sides of the machine. Adapt your working sequences even better to current market demand – give your spinning mill the ultimate flexibility. Innovation PilotGroup: spinning trials in ongoing operation Only the BD 7 offers you technology for flexibility: with the PilotGroup option you can use a group of spinning positions on either machine side for the production of test packages parallel to regular production. The 3-colour...

 Open the catalog to page 13
BD 7-14

Optimised labour utilisation, high efficiency rating — ff Fast review of operational status by LED signal system ff Time-saving setting at the Informator ff Even faster piecing thanks to ergonomically optimised DigiPiecing ff Ergonomic machine operation with a lower height and easy package removal ff Easy exchange of spinning components entirely without tools ff Replaceable screens in the dirt chambers ff Interface for automatic package transport

 Open the catalog to page 14

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.