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Pneumatic Shaft with Ledges

Pneumatic expanding shaft with self-catering ledges from Svecom

Shaft Model 640PQL

This pneumatic expanding shaft with self-centering ledges for continuous machines is designed to ensure perfect wrapping of the material at high peripheral speeds, is suitable to withstand heavy load stresses.

Adopts the tried and tested SVECOM system in groups of air chambers with aluminum centering expanders and rubber locking devices. Dynamically balanced at the required speed, complete with supports and tow couplings, it can be made with diameters and lengths as per the specifications listed below. Equipped with multivalve system: each air chamber has its own valve to ensure expansion, and if one gets damaged, the whole stays inflated; or the single valve system: each air chamer is connected to the other through a hole to ensure an equal expansion.

Standard sizes available for this Model are listed below.

FEATURES

  • Core diameter: from 70 to 600 mm
  • Face width: up to 12.000 mm
  • Expansion range: 8mm on diameter
  • Air pressure: min. 5 bar (suggested 6 bar)

For over 60 years Svecom has provided innovative and highly customisable systems for the winding and unwinding of reels – products including air shafts, safety chucks, expanding chucks, core plugs, reel spools and shaft extractors.

Today, the company has over 200 employees, a production site of 25,000 square metres, and a sales network that covers the globe.

SchäferRolls has been producing polymer-based precision roll covers for all industries since 1946. When it comes to roll covers for the manufacturing and converting of paper products, the company has been a leading light for decades, their products reflecting experience gained from applications meeting special demands with respect to roll position, end product type and machine operator preferences. At the heart of this success is a commitment to taking product quality, productivity and overall paper manufacturing and converting performance to new levels.

The plants at Renningen (Headquarters, Germany), Brnik (Slovenia) as well as at Farmington, NH and Covington, VA (USA) currently employ a workforce of over 300. Production facilities with a total production area of more than 30,000m² are able to handle and service roll systems up to lengths of 15,000 mm, diameters of 2,000 mm, and total weights of up to 100 tons.

Renova SRL is an Italian company offering application know-how in web tension control systems and materials handling equipment.

Products including brakes, mechanical chucks, web tension control systems and roll movers are all made in Italy and designed to ideally suit wherever there is a roll to unwind, rewind or move within the production plant. Renova provides industrial solutions for companies operating in the paper, cardboard, converting, tissue paper and many other industries.

The company’s mission is to offer innovative, eco-friendly and customer-oriented products that increase productivity and safety levels, while reducing maintenance costs.

MaxDura was established in 1979 and has been injecting PU products for many years particularly for the paper ware and paper pulp industries. Its highly reliable products are designed to replace metal, rubber and plastics and are sold worldwide.

 The diverse dynamic features of polyurethane have enabled it to become the best alternative to rubber and plastics. It can withstand the harshest die cutting application and extend the life of the die cutting anvil cover.

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With an annual production of more than 3,000 units from a production area of 50,000 square metres and, with 2,500 end-users worldwide, the company’s products have been exported to over 60 countries.  It has achieved an excellent reputation with its customers and has become the leading corrugating roll supplier.

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Tecnomec 3, based in Turbigo, Italy, was established 35 years ago and company activity is based on planning and building spreader rollers and special products for different fields.

The company provides extensive technical assistance before and after the sale, both directly and through world-wide agents, this includes refurbishment as well as with new products.

Tecnomec3 spreader rollers are designed to eliminate creases and wrinkles from the material being processed and prevent interweaving of slit widths of material in slitting applications.

Construcciones Mecanicas Mecoval, based in Valencia, specialises in the manufacture of machinery, subsets and pieces for a variety of sectors.  The company has the widest range of mechanical chucks with over 20,000 units sold around the world. Their low cost and simple design mean they are perfect for corrugation, textile, plastic plants, etc. There are no maintenance problems, since the chucks are designed without any complex mechanisms which may break or fail due to dust or dirt.

Established over 30 years ago, today the company employs state-of-the-art equipment combined with traditional machinery to produce designs and for manufacturing, with the objective of giving our world-wide customers the best quality and delivery time.

Höcker Polytechnik provides customers with high quality machinery, equipment and solutions for waste and extraction solutions – delivered quickly and reliably. From the initial project sketches through to commissioning, the company’s focus is always placed on customer benefit and satisfaction.

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Environmentally friendly technologies and processes are integrated into development and production at all levels of the company and optimised for sustainability.

Dotec is a family-owned company, established in 1981, that always puts the customer first with its reliability, flexibility and excellent service. The company is constantly developing new technologies and products and has striven to become the global supplier of bespoke solutions for a variety of markets with its broad portfolio of standard-developed LiftAssists. The company’s innovation is centred on the operator’s needs and process optimisation with a focus on ease of use, safety and simplicity, ergonomics, design, efficiency and proportional/flexible movement.

The Dotec LiftAssist range has specific characteristics based on ease of operation and has a very short learning curve. Everything can be controlled by a finger touch which makes it easy to work with and why it is called the Friendly LiftAssist.

Weingrill, an Italian company based in the Pinerolo area, is a leader in the production of components for the paper industry and screw jacks for numerous industrial applications. 

2022 marks 70 years of production and, since its inception, the company has shifted from the design and fabrication of electro-mechanical devices to high technology components for the paper industry with research and development being an important aspect. State-of-the-art production facilities offer customised solutions based on customer needs. In 1997 Weinghrill achieved ISO 9001 quality certification.

Today, Weingrill’s production is known all over the world: high standards in terms of reliability and technology are appreciated by over 3000 customers in 30 different countries. The company’s guiding principles are flexibility, productivity, quality and product and customer care.

With 25 years’ experience and a product range that includes Flexo Folder Gluers, Printer Slotters, Folder Gluers and Rotary Die Cutters, Sipack prides itself on offering the best of Italian technology.

Servo technology is applied to all machinery to achieve maximum precision and Sipack Customer Care specialists are available to assist on site in ensuring production goals are met.

Espo slitting systems cover an extensive range of applications for the tissue, paper, converting, non-woven, corrugated cardboard, film and foil markets.

Complete solutions are offered for on-line integration into the cutting line, rewinder, slitter/rewinder, sheeter or cutting machine.

Manual or fully-automatic, systems can be fully customised to customers’ requirements and all incorporate features designed to improve the slitting quality, reduce slitting problems and minimise set up and maintenance time.

Founded in 2006, CORRFLEXO is a Solingen based German supplier of all kind of machine knives, grinding wheels, polyurethane rolls and other spare parts used in the corrugated board industries.

CORRFLEXO offers competitive prices and quick delivery. Many satisfied customers in Europe, Asia, Middle East and other geographical territories are depending on our high quality products and services.