Everyday life in the textile industry, with its short-lived trends, intense competition, and enormous cost pressure, places special demands for the manufacturer of textile machines. Siemens helps OEMs succeed with customized, pre-engineered solutions and proven products that are innovative, flexible and high performing, yet surprisingly cost-effective.
Dedicated Experience and SuccessWith OEMs throughout the global textiles industry
Complete Single-Source SolutionWith Totally Integrated Automation - from the automation and drive system through project execution, coordination, configuration, building, and commissioning
Maximizing Production / Minimizing DowntimeThrough responsive service and worldwide, 24-hour technical support
Cost Savings in Configuration and CommissioningUsing pre-tested standardized engineering packages built specifically for textiles
Minimal Space Requirements and Reduced Number of ComponentsWith compact converter and dual-axis modules through multi-axis control
For advanced system solutions in all conventional textile fabric manufacturing applications, whether knitting, warp-knitting or weaving, including weaving preparation, and subsequent making-up, Siemens provides you with the right automation solutions to fulfill the most complex requirements – starting from circular knitting machines, on which the movement of the knitting cylinder can be conveniently controlled, to extremely time-critical tasks executed on high-performance looms or special looms with up to 50 axes.
The regenerative capability of infeed modules, together with the possibility to exchange energy between axes using the common DC link forms the basis for energy-efficient multi-axis solutions. Compliance with international and local safety requirements is ensured by comprehensive integrated safety technology.
With a solution from Siemens, you can achieve superior performance and flexibility, easy and integrated engineering and worldwide product and application support.
On circular knitting machines, the rotation of the needle cylinder drives the needles through the knitting channels in a vertical up and down movement. The thread that is guided by the eyelet is knitted, and the knitted fabric is taken off to the bottom. On large circular knitting machines, a needle cylinder diameter of 30 inches with a precision of E24, that typically means 24 needles per inch. The fabric take off with subsequent reeling of the fabric tube is usually mechanically led off from the needle cylinder movement.
The SITEX CK (Circular Knitting) control system with piezoelectric bending transducer modules for individual needle selection is tailored for use in jacquard circular knitting machines. This unit combines the following functions in a highly compact design:
Pattern preparation as information for bending transducer actuation
Process control and visualization
Bending transducer actuation
Siemens Products Used
SITOP Power Supply
Industrial PC running SITEX CK Control System
PROFINET Industrial Communication
SINAMICS G120C Compact Vector Drive
1LE1 Low-Voltage Motors
Flexibilitythe availability of the different drive versions allows the machine to easily adapt to network conditions
Superior Usabilitythrough numerous display and operating options of the SIMATIC touch panels
Robustness1LE1 motors have been tested under extremely harsh conditions of use – ensuring proper operation of the knitting machine over many years
Today's knitwear is expected to meet more complex requirements. Warp knitting machines must produce goods of consistently high quality and still allow rapid product changeovers, so application flexibility depends strongly on the capabilities of control and drive technology.
In a stitch bonding machine with parallel weft insertion, a filling carriage transports a selectable number of weft threads from one side of the machine to the other in synchronization with the machine. Two rakes pick up the threads from the filling carriage and place them into the warps that run synchronously with the machine.
This is a scalable solution which always ensures a smooth interaction of filling carriage, rake and warp. For this, Siemens provides the ideal basis with SIMOTION – thanks to multiple integrated technology blocks on different hardware platforms.
SIMATIC ET 200SP Distributed IO
• SIMOTION D Drive-Based Motion Controller• SINAMICS S120 Servo Drives
SIMOTICS S Servo Motors
SIMOTICS M Main Induction Motors
Modular machine concepts
Short changeover times
Reproducibility of machine settings
Here threads are placed in groups on a cone-shaped roller at one end, which continues until the full number of warp threads is reached. Then thread groups are wound together onto the beam (rewound).
The use of SIMOTION D provides several performance benefits because drive components and machine control are combined on a single system.
SIMATIC S7-400 PLC with FM 458 Application Module
PROFINET IRT Industrial Communication
SINAMICS S120 Servo Drives with Active Line Module
Performance Advantage based on motion and machine control combined in a single system
Greater Flexibility through process optimization at the software level
On these machines warp thread material is supplied from either a warp beam or several thread beams with simultaneous take-off. The warp threads may be pre-wetted and impregnated with sizing liquor in a second immersion bath. The threads then pass through combs that prevent them from sticking together, after which the parallel threads are dried on the sizing machine cylinders and rewound.
To produce superior quality fabric, key functions of a sizing machine guarantee even sizing, perfect thread tension, and the right degree of drying. Siemens ensures these values are optimized and reproducible by means of a uniform automation concept.
In order to ensure homogeneous sizing, perfect thread tension and the right degree of drying, Siemens provides an integrated automation concept with PLC, display technology, drives and switching devices, thus ensuring the optimization and constancy of these values in a reproducible manner.
SIMATIC Industrial PC
SINAMICS S120 Servo Drives with CU320-2 control Unit
SIMOTICS M Induction Motors
Field Devices are Smarter including a peripheral CPU with control functionality and drives with "built-in" technology
SIMOTION Reduces Workload of Basic Automation through direct HMI coupling via PROFINET
More Diagnostics Features to further improve system availability
Weaving is the most comprehensive area of textile fabric production. Looms perform many individual movements at extremely high speed that must be synchronized with each other. Some of the movements (weaving reed or weft insertion, for example) are led off from the motion of the main shaft via cams. Increasingly, however, electronically-controlled axes are being used, as with warp let-off and fabric take-off. The integration of technological functions with the control platform delivers extremely fast response times, improving the technological performance of looms. A system of function blocks forms the basis for a modular machine automation platform, allowing for a wide variety of combinations.
Based on a controller for textile machines, the web technological movement tasks performed in the hardware and software have been defined for specific users and implemented in the SIMOTION controller platform portal. This is the first block that defines a basic web function and serves as the basis for further automation solutions.
SIMATIC S7-1500 PLC
• SIMOTICS S Servo Motors • SIMOTICS M Main Induction Motors
High Productivity through extremely fast, synchronized individual movements and an ultimate number of wefts per minute
Cost-Effectiveness resulting from short changeover and setup times
Flexibility through SIMOTION Motion Control System