WCA September 2015

wire Southeast Asia 2015

➣➢➣ A backing on one side of the jaw opening improves the ease of positioning the wire properly. While still holding the wire in position with one hand, the operator can close the jaws with the other by using the one-touch thumb release mechanism located just above the handle. This insertion process is far more efficient and allows the operator to spend less time with set-up. A very common interruption to the pulling operation is the replacement of worn puller jaws. The jaws of the Sjogren Puller feature precision-machined teeth that provide maximum working life and secure grip of the wire material. However, the most significant advantage to improving productivity is in the design of the jaws themselves. The jaws are machined with two different working surfaces, one of which is used when the jaw is in the upper position, and one which is utilised when in the lower position. Instead of replacing the jaws when they eventually wear down, the operator simply removes the cover plate and switches the position of the upper and lower jaws so that the second, unused surface of each is now ready to be used. This dual-surface feature virtually guarantees that the jaws of the Sjogren Puller will last longer before requiring replacement than any puller jaw of any other assembly. Another innovative design feature of the new Sjogren Puller is its pivoting head and the legs which provide optimal puller positioning on the capstan during start-up. The legs can be fitted with special footings (sized to capstan diameter) that prevent damage to the capstan surface, avoiding possible wire marking problems. At the beginning of the winding operation, the puller head is positioned for in-line pull from the die box. Once winding begins, the pivoting head tilts down to activate tangential pull on the capstan, which significantly reduces instances of wire breakage. This is particularly valuable in processes which draw brittle material. This built-in feature prevents the need to add a separate clevis attachment to the puller assembly. Reduced instances of breakage prevents unnecessary re-starts of the winding process and improves overall spindle up-time. In designing a new wire puller, Sjogren set out to identify all the different ways in which puller design could contribute to a safer, more productive process.

Spring Tooling Stand: H05

Spring Tooling Ltd has been one of the principal manufacturers of precision tools for spring and wire forming machinery for over 35 years. The company will display a range of tooling in high-speed steel and tungsten carbide. The tooling manufactured on show will consist of wire guides, coiling points, feed rolls, pitch spacers, cutters, mandrels and a variety of special- purpose tooling for the bedding and seating industry. Spring Tooling Ltd – UK Website : www.spring-tooling.co.uk August Strecker manufactures butt- welding machines for the most varied needs of the wire and cable industry. The company was founded more than 80 years ago and has enjoyed a good reputation for its machinery and service, given by more than 73 skilled employees. Strecker welders are well represented in many renowned national and inter- national wire and cable factories. The majority of the company’s production is exported to more than 110 countries all over the world. The company has more than 40 representative offices worldwide assist- ing customers from the very first contact, eg to choose the right product, and adapt it to individual needs until final delivery, sometimes including commissioning of the machines. Participating in European as well as overseas exhibitions helps to further promote the trademark of Strecker buttwelders. The production programme includes: • Buttwelding machines for all kinds of wires, starting at 0.04mm diameter to 60mm diameter for solid steel and about 56mm diameter for solid non-ferrous wires, including welders with automatic deburring cycle. For steel there are various annealing devices available, suiting the needs of the most varied steel grades • Buttwelders for stranded conductors starting at 0.08mm² to 2,500mm². Welding by means of tubes or without any tubes at all (with automatic deburring) • Cold pressure buttwelders with automatic deburring cycle August Strecker Stand: G20

While much attention was paid to improving the ease and safety of wire insertion and process start-up, the puller’s function is not complete until the puller is removed from the wire once winding has been initiated. It is very common for the puller jaws to be locked closed onto the wire by the force of the operation, making it difficult to remove the puller. Often the operator must strike the puller with a hammer in order to disengage it, a practical necessity which has the unwanted effect of shortening puller life and/or risking damage to it. Incorporating a spring behind the fixed lower jaw and having an easily gripped slide plate connected to the retracting upper jaw makes it easier for the operator to remove the Sjogren Puller. If use of a hammer is necessary, the slide plate can be easily replaced if damaged. Additionally, the chromed finish of the puller’s surface makes it easier to clean and helps resist corrosion for maximum working life. The Sjogren Puller is compatible with a variety of puller assemblies, and is suitable for use on capstans ranging in diameter from 16" to 30"/406mm to 762mm (counter clockwise rotation) and working with wire diameters of 0.06" to 0.25"/1.5mm to 6.3mm. It has a pull rating of 5,000lb/2,273kg when using 100 roller and safety chain, or 3,000lb/1,364kg when using 80 roller and safety chain. Sjogren Industries, based in Worcester, Massachusetts, USA, has been pro- ducing assemblies, components, and machines for OEMs and wire mills in the wire straightening, drawing and testing industries around the world since 1927. The new Puller is just one of several innovative product designs it is introducing to help solve the real-world problems that operators encounter on the shop floor which can affect the productivity of an entire operation. ❍ The new Puller from Sjogren Industries

Sjogren Industries Inc – USA Website : www.sjogren.com

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