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PRECISEly mEASURING COIl SPRINGS PRODUCTS


SPRINGS & SHOCK ABSORBERS nEW rangE of spring


3D laser profile scanners from Micro- Epsilon feature on QSigma’s Spring Measurement Solution (SMS), designed for the precise 3D measurement of coil springs and other manufactured components. The SMS is used, for example, in the


development of spring prototypes and for 100% inspection of series produced parts. In operation, it automatically identifies the spring, evaluates the wire contour and determines the wire diameter, even if the spring geometry is subject to strong fluctuations. For comparative evaluations, an automatic centreline determination is performed.


The resulting data can then be analysed and compared with a stored target geometry. Non-contact sensors from Micro-Epsilon are used in these high precision measurement tasks. With the measuring cell, the spring


under test rotates on a longitudinal axis, and two linear axes move a scanCONTROL 2950 laser profile scanner over the part in the horizontal and vertical directions. To achieve maximum accuracy, the sensors are optimally positioned using algorithms developed by QSigma. The laser profile scanner transmits the generated individual profiles to a computer via a Gigabit Ethernet interface, which converts the data into a 3D point cloud and displays it on a monitor. The scanCONTROL 2950 laser profile


scanner has a large measuring field in both the Z- and X-axis, enabling extremely high speed scanning of springs up to a height of 70cm and radially up to 30cm. This wide field, combined with the scanner’s high point density and profile capture rate (up to 1,000 profiles per second), enables precise evaluation of the spring geometry and wire diameter. Due to the large Z-axis range of the scanner, both the spring path and the spring end can be detected automatically. As the scanCONTROL 2950 works almost independently of the surface type, even painted or powder- coated springs can be measured reliably.


Micro-Epsilon T: 0151 355 6070 www.micro-epsilon.co.uk


spring manufacturer invests in ultrasonic cleaning machine


Spring and wire component manufacturer, William Hughes, has enhanced the capabilities of its 80m2


Ultrawave Neon 60 Ultrasonic Cleaning System. The new Neon machine, which is Class I Medical Devices compliant to


MDR (EU) 2017/745, complements existing assets and capabilities in the ISO 14644-1 accredited cleanroom, which include further solvent and aqueous cleaning systems, a UV-inspection dark room and various cleaning verification systems, including filtration studies, NVR testing and microanalysis. As well as being used internally, the


cleanroom is offered as an advanced subcontract facility. Said to be the only one of its kind in the UK, it is being regularly utilised by leading manufacturers in the aerospace, medical and hydraulics industries, where it is used for the cleaning and packing of small batch, precision-machined and fabricated parts to meticulous standards. William Hughes can also undertake the assembly of units involving more than one component in the cleanroom environment.


William Hughes www.wmhughes.co.uk 4 DEsign solUTions DECEmBER/JANUARy 2023 2 T: 01963 363377 Class 7 cleanroom with its investment in a digitally controlled


slEEvEs EnablE sMooTHEr MacHinEry opEraTion


A new range of spring sleeves, for use as indexing and positioning elements, have been introduced by norelem. Typically, operating elements with latching adjustment


points are subject to high loads in daily use, but using spring sleeves here ensures a smoother operation. There are three products in the range, and these facilitate repetitive positioning operations on machines and equipment, or machines and parts that are undergoing machining. According to the company, with a spring sleeve, a


deep-drawn metal sleeve is connected to a compression spring. The spring is captively connected to the sleeve via a grain. They are used wherever resting and switching processes with a pleasant haptic and acoustic feedback are to be implemented in small spaces. Examples include program selector switches on machines, rotary switches, temperature controllers, and household appliances such as washing machines, dishwashers, or ovens. Thanks to the manufacturing process, the spring sleeves


achieve a consistent quality in the spring forces and geometry of the sleeve. This enables the spring sleeves to be guided precisely into the required component. In fact, a simple borehole is sufficient to accommodate the spring sleeve. Furthermore, the sleeve is preloaded and secured by the locking piece on the opposite side. The sleeves are manufactured from nickel-plated steel


and stainless steel, meaning they have excellent corrosion resistance and can resist general wear and tear. The compression spring is always made of stainless steel. There are three springs available in the range and these are named Form A, Form B, and Form C – with small variations in shape being the only differentiating factor. Form A consists of a simple rounded head, Form B has a pointed end, and Form C has a rounded end with a lip at its base. Marcus Schneck, CEO of norelem, commented: “With this


new range, we are able to facilitate repetitive positioning operations for manufacturing in a range of situations. The range, although small, is made to fit in with many different pieces of equipment and ensures a smoother operation across the board. The spring sleeves are manufactured with precision for high-quality applications. Through their use we realise the possibilities of micro assemblies for limited package situations.”


norelem www.norelem.co.uk


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