Product showcase
with the mouldability of components. The company’s CAD/CAM capabilities guarantee effective precision tooling at competitive prices. To ensure product consistency, quality is monitored throughout each process, using a system based on ISO 9001 standards, an advanced statistical process control is used to monitor material properties and mixing, moulding operations and final product conformance to specification. The final proof of the success of these efforts is the part itself. To ensure quality, all parts are visually inspected to check that they conform to design criteria. In addition, leak and deflection testing for diaphragms and insulation testing for connector inserts may be specified. Whatever the customer’s moulding needs, Da/ Pro has the expertise, experience and world-class service necessary to find a solution.
Da/Pro Rubber
www.daprorubber.com
Custom-etched metal components
company’s process of chemical metal-etching offers center-to- center tolerances within 0.0005”, maintaining the metal’s full integrity, increased accuracy, repeatability and fast turnaround. Fotofab’s portfolio includes a diverse product line of elaborately detailed pieces with complex geometries or simple parts like washers and shielding components. Some are quick-turn prototypes and others are standardised for large production runs year after year, such as: ■ RF shields ■ Titanium implant parts ■ Stainless steel surgical snares ■ Gold-plated copper for ablation
Fotofab precisely photochemically etches sheet metals using acids.
Fotofab has delivered the highest- quality custom-etched metal components to the medical industry for more than 55 years. Its manufacturing technique of photochemically etching sheet metal uses acids to fabricate more precise components. With other techniques, like laser etching or metal stamping, the fine lines needed in a microscreen or the delicate intricacies of implantable parts cannot be made to the tight tolerances and sheet thinness that Fotofab can provide. The
The company’s process begins when a component drawing is submitted for a quote. Its dedicated team of technical engineers reviews the request to guarantee metal type, capability and timing needed. Once dimensions are agreed upon and approved, the metal can be etched in a matter of hours. This results in consistent parts, on time and within budget. Along with photochemical etching, Fotofab offers an array of finishing services for the fabricated parts, including: ■ Thin metal forming ■ Electropolishing ■ Passivation ■ Plating (standard and precious metals)
As a full-service specialty manufacturer, Fotofab works with more than 35 types of metal alloys, including titanium, copper, and stainless steel 300s and 400s, and is part of a network of advanced manufacturers providing mission- critical solutions. It is ISO 9001:2015-certified and RoHS- compliant, committed to the quality of its products and the satisfaction of its customers.
Fotofab
www.fotofab.com
Medical Device Developments /
www.nsmedicaldevices.com
Motion control and counterbalancing through precision spring products
Spiral torsion springs are normally used in applications requiring less than 360° rotation. They are generally used to obtain a large amount of torque with a small amount of rotation.
John Evans’ Sons serves many of the world’s largest medical companies.
John Evans’ Sons is ‘America’s oldest spring maker’. Founded in 1850, it manufactures precision springs, wire forms, mechanical assemblies and stampings. The company is a leading manufacturer for the medical equipment industry and has provided spring assemblies for many of the world’s largest medical corporations. Evans’ quality assurance procedures have been surveyed and approved by more than 300 of the world’s largest corporations. By employing ISO 13485:2003 and ISO 9001:2008, in conjunction with cutting-edge inspection and calibration systems, it can ensure that customers’ most exacting requirements are met.
The engineering group consists of skilled professionals with broad experience in the design and development of all types of springs. The group is backed by an unusually high level of expertise – due to having more than 160 years in business in total – and the latest in spring manufacturing equipment. The company provides three different types of spring: ■ Constant-force springs provide a smooth range of motion and a constant load in the extending or retracting direction. This spring design has no inertia to overcome when considering the initial-position starting forces. Constant-force springs are compact and mount easily to existing hardware.
■ Spiral torsion springs allow rotation in two directions and a ‘return to centre’ capability.
■ Spring-powered reels – arbor and base-mounted – are available with a wide range of force, cable lengths and travel. The spring- powered reels mount easily, come with pre-installed cables and attach quickly.
John Evans’ Sons is eager to discuss the design requirements and spring challenges in clients’ various design and prototype phases. Many choices of springs and reels are stock items that can be shipped quickly to assist with product evaluations.
John Evans’ Sons
www.springcompany.com
Modular laser welding system
Leister’s air-cooled system integrates into production lines and cells.
The welding concept BASIC S/M/L from Leister is a modular block building system for laser plastic welding. It is designed for integration into industrial production lines and includes numerous functional units for plastic welding. This laser welding system was developed by Leister for individual customer needs in several versions: BASIC S, BASIC M and BASIC L.
These differ in their range of functions (S-Small, M-Medium, L-Large). The configuration level determines the depth of integration and with it the responsibility of the welding
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