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Innovations in the field of plastic pipes

Sica presents a wide-ranging innovation at the K-exhibition in Dusseldorf: three "green" plastic pipe machines designed to save energy, materials and costs. The surprise will be great and welcomed.

We can speak directly of a revolution for TRS 160 W cutting machine, because finally it can cut and chamfer without removing material. Yes, you read that correctly: without removing material.

This manages to save a considerable quantity of raw material that affects the 80% of the pipe cost, but also to avoid problems of scrap suctioning and recycling. In traditional cutting machines, also in those with knife or tool, chips and dust end up partially between saw mechanisms despite suctioning; for this reason, the necessity of maintenance increases.

In contrast, the new TRS 160 W removes the problem with an innovative system (Patent Pending) that guarantees not only a clean and perfectly perpendicular cut with knife but also a precise and well-defined chamfer, maintaining the same productivity and a satisfactory speed; these are requirements for modern extrusion lines.

Sica's saw can cut any PVC, PP and PE plastic material. The one at the exhibition processes PVC pipes from 25 to 160 mm of diameter.

The second important innovative product is the new Multibell 200M belling machine for PVC sewage pipe. Compared to the previous Everbell model, well known on the market, this new machine has been completely revised and optimized, maintaining an important productivity per hour that reaches 900 sockets/hour with the flagship version. Maintaining unchanged the quality standards and product reliability, the new machine introduces numerous technical features in view of a greatly reduced price both of machine and equipment and a lot of new advantages compared to the previous version such as more compact dimensions with equal productivity, revolutionary system for multi-socketing pipes, ease of use and quick format change. In fact, with the innovative and functional technical solutions, there's a decrease of more than the 60% of the machine tools compared to the previous model, with a significant savings for the costumer in terms of investment and time required for retooling. The machine is still completely pneumatic, with the inevitable advantages related to the higher cleanliness and the superior ease of management thanks to the absence of the hydraulic unit. New important accessibility standards have been achieved with the introduction of a completely movable machine bench: the solution allows complete and safe access to the main areas required for set-up in order to facilitate and accelerate the format change phases.

New easy-to-read large format control displays complete and enrich the potential of this new range of belling machines. These displays have, in fact, new interesting and useful features (for example, the integrated viewer for electric and pneumatic diagrams and for the User's Manual in digital format).

Joining the Multibell 200M for PVC is the new Everbell socketing machine for processing PP pipes. The Everbell, which maintains only the name of the previous model, has been completely rethought and modernized like the Multibell. In fact, apart from specific technical solutions for socketing polypropylene pipes, the same innovative characteristics of the new Multibell 200M are present in the Everbell. The machine inherits compact dimensions, extremely rapid setup, elimination of hydraulics, low power consumption, competitive price but high productivity, ease of use and reduced maintenance requirements.

Another Sica endeavor always to produce new technologies and innovative products is the Unibell 200 E&P belling machine distinguished by the electromechanical movement of the forming carriage. With this solution the hydraulic movements are eliminated from the machine, bringing many advantages from both functional and environmental points of view. The kinematic chain composed by a brushless motor with resolver and a jackscrew with ball recirculation allows the quick and silent mandrel positioning in a closed loop with high mechanical efficiency (up to 70%). Without the need for oil cooling, this solution also allows a considerable reduction of water use. By buying the version with air cooling (Sica patent) and by integrating it with an external refrigeration system (supplied by Sica), the water is completely recirculated. Moreover, with the elimination of hydraulic movements any possible oil leakage into the environment are avoided and ordinary maintenance is reduced. The energy necessary for the forming positioning is used just for the duration of the carriage movement. Moreover, the total absence of hydraulic units brings a significant energy saving, because hydraulic units have a clearly lower total efficiency than this new device. The obvious consequences are: faster return on investment, greater market competitiveness and greater respect for the environment.

With the launch of these machines, we can speak of Sica's "green" turning point. Along with functionality, productivity and quality at the right price, more attention is paid to the environment, and energy and material savings for an sustainable economy. Environmental conservation and savings for a better world!

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Remote Human-Machine Interface

Optional

Sica's new machines equipped with a touch screen Operator Interface offer the option of reproducing the man-machine interface on any Personal Computer or Personal Digital Assistent (PDA) using a normal network connection. This allows you to remotely control, manage and supervise the machine functions as though you were on board the machine yourself.

The purpose of this is to provide Sica customers with the ability to control the operator panel, and therefore the machine, from any commercial remote control device such as a personal computer, tablet or PDA (an iPhone for example).

To achieve this, the device must have a TCP/IP (ethernet, internet or wifi) connection. The control monitor of the Sica machine can then be accessed via a VNC client. Given that TCP/IP networks and VNC clients are very widely used, this significantly extends the field of application of the system and the possible devices that can be connected.

The contents of the screen are transferred by the PLC machine to the remote device. Therefore, all information that is visible on the machine display is shown and visible on the remote display. This gives you remote control of the machine, allowing you to send controls and actions via a mouse, as though you were using your finger to press on the touch display.

A further benefit of this technology is that the remote panel can also be created as a copy of the main one, in various sizes and resolutions. This allows you to use monitors much larger than standard ones and get the best out of them. Another great advantage is that, in the event that the screen of the operator panel breaks (which often happens through dropping or impacts), you can quickly connect a remote monitor and continue to work with the machine in exactly the same way as you did with the original panel. This minimises the length of time that the machine is out operation and ensures immediate restarting with the same functionality of the original system. The remote device can also be used to easily move around the machine, allowing you to operate in various locations, with greater visibility and comfort for the operator compared with the standard panel fixed to the electrical control box.

Safety is guaranteed as access to the control panel of the machine from external devices is always password protected. This means that only specified users and operators may perform operations remotely.

This new remote control is available for all new Sica machines equipped with touch screen display and can also be implemented in most previous machines with touch screen display.

New TRK/C/Sy/U 2500 cutting machine

Sica is aware of its technological know-how and its thirty-year experience in the field of the automatic cutting process of plastic pipes. The company has increased its range of planetary saws for HD-PE pipes with big diameters and high thickened walls that haul pressure fluids, introducing the new TRK/C 2500, completing the other model range with high dimensions such as TRK/C 2000 and TRK/D 2000 (specific for corrugated pipes); these are long since installed in extrusion lines and work full time.

The new machine has been specifically designed and assembled for cutting PE pipes from OD 710mm to OD 2540 mm (100’’), in extrusion line, without material removal, that is typical of the classic cutting system with toothed disc; in this way, it completely avoids all the problems and the heavy inconveniences that depend on the production of chips and dust and on their consequent collection and management.

In facts, TRK/C 2500 cuts with circular idler blade and has got specific tools that modify the operative conditions of the working process, without penalizing the energy consumption or the overall dimensions.

The new system that controls the cutting process makes the action of the machine more indifferent to the status of the pipe (ovality, thickness inconstancy, working temperature, etc.) and grants a superior cutting quality, even if the pipe has shape anomalies.

The machine is equipped with universal pipe clamps that do not need reductions or ancillary units when the working diameter changes, but which automatically adapt to different diameters, granting a constant grip of the pipe and, consequently, a high quality of the realized cut.

The cutting action is hydraulically realized so that the pipe can be easily penetrated, while the cutting unit movement is electric with automatic synchronization with the extrusion speed, configurable in accordance with the most updated and widespread wiring specifications.

Strong electomechanic supports - with automatic positioning depending on the working diameter, both incoming and exiting the machine - sustain in a rigid and constant way the entire range of pipes that the saw can manage.

The machine is characterized by high safety standard and easiness: perimetral protections with interlocked doors and anti-access systems with laser barriers and an advanced control system in PLC logic with graphic interface on a touch-screen display, for a rapid and intuitive management of the entire cutting process.

The new TRK/C 2500 represents the best technologic answer to the new exigencies in the market of HD-PE pipes with high thickness and very big diameters, mixing high performances and low energy consumptions, user-friendly process and versatility, operative safeness and attention to the environment that today are fundamental factors and that, for this reason, are present in all new Sica’s products.

Tube News n.6 - 2013

Automatic Pipe Bender BMS 63

The BMS 63 is Sica's automatic machine for bending and socketing with exceptional rapidity PVC pipes common in electronic and telephonic systems. In particular, this machine can process pipes with a diameter from 16 to 63 mm, with possible final length from 140 to 650 mm. The machine is equipped with a versatile multi-bender and multi-belling system that can bend with a variable angle between 90 and 0° (so, it can also avoid bending) and with bend radius from 1 to 5 times larger than the diameter of the pipe itself.

At every end of each bend/pipe, the machine can also socket (through suitable thermoforming process) both solvent cement and O-Ring type (optional) in every desired configuration, such as:

  • simple bend
  • bend with single socket end
  • bend with sockets on both ends (double socket)
  • straight unbent pipe with single or double socket

In this way, every possible production need can be satisfied.

The bending is hydraulic/pneumatic, and it is controlled through specific proportional valves and linear encoder that guarantees absolute precision and repeatability of the process. Every setting is automatically adjusted from the operational panel with the machine in operation, which prevents interruptions, manual changes or dangerous access into the unit.

Large glass panels on each side of the machine allow full visibility but contextual security of the
process, allowing the operator to follow the repositioning of the pipe through
the different units within the machine, which is composed by:

  • 1 transport and sorting unit for pipes entering the machine
  • 2 ceramic material heating units
  • 2 multi-thermoforming units
  • 1 multi-bending unit with logic control
  • 1 ejection unit of final bent/belled parts.

The final product is unloading in a collection cart supplied with the machine. This allows easy removal of the product, while also permitting a check of the bent/belled product with total security during machine operation to make real-time changes to the necessary parameters for optimizing the process.

The machine can, if required, be equipped with a suitable AL/T63 storage feeder with which BMS 63 becomes a system for creating bent pipes. In fact, the system can store pipes 3 m long, automatically generate pieces of desired lengths (with a specific cutting system with millimetric precision), and feed continually the bending machine, fully automating the process.

Security, management ease, rapid set-up and format change, minimal level of required maintenance, high productivity per hour and high precision in realizing the characteristics of the desired product, distinguish and confirm the quality and the technology of Sica products.

Product page – BMS Pipe benders

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