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Balancing concerns and technology

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Discussion of lead toxicity & health & safety problems. Blood levels have decreased from 30 to 6 microgram/dL while demand for restriction of use has increased.

Balancing flexibility with cost effectiveness in high volume carburising

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The ways in which advances in computerised heat treatment technology ensure reproducible high quality combined with flexibility to adjust rapidly to changes in downstream production are explained.

Balancing quality & compliance

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Visit to Victoria Plating, in the Bronx who offer a wide range of finishes mainly using automatics. Comments on how environmental demands are met, while also satisfying customer pressures.

Balancing quality and compliance with regulations, in motor vehicle repair paints

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Developments in low volatile organic compound (low VOC) systems for use as basecoats, etc. are outlined.

Ball cratering for thickness & wear measurement

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Title method involves feeding abrasive slurry over rotating sphere which abrades flat surface of sample on test. The result is formation of circular crater whose depth (deduced from its width) allows thickness & wear resistance to be adduced.

Ball finishing device

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Device incorporates three coaxial discs, two end discs having working end faces with channels for balls. Centre disc can rotate and consists of set of rings arranged radially and stationary relative to each other at same distance from rotation axis with same spacing and connected by inclined channel. Device has hollow distributors of variable angular position with channels on external surfaces on working zone side, channels being equidistant with respect to working channels in rings.

Ball for Constant-Velocity Joint and Method of Manufacturing such Ball

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Ball for use in a constant-velocity joint, which is adapted to be interposed between an inner race and an outer race for transmitting rotational power therebetween, is produced by nitriding a surface of a ball made of bearing steel or a material equivalent thereto, and processing the nitrided ball for increased resistance to a crushing load by tempering the ball at a temperature ranging from 180 to 2130°C. The surface hardness of the ball should preferably be adjusted in the range from HRC 60 to 64.

Ball for Constant-Velocity Joint and Method of Manufacturing such Ball

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A ball for use in a constant-velocity joint, which is adapted to be interposed between an inner race and an outer race for transmitting rotational power therebetween, is produced by nitriding a surface of a ball made of bearing steel or a material equivalent thereto, and processing the nitrided ball for increased resistance to a crushing load. The nitrided ball is processed for increased resistance to a crushing load by tempering the ball at a temperature ranging from 180 to 2130°C. The surface hardness of the ball should preferably be adjusted in the range from HRC 60 to 64.

Ball Grid Arrays - The Next Generation SMD Technology. Report on a Conference

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Ball impact cladding of metals with dissimilar metallic foils.

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SURF Ball impact cladding is a process in which solid-state welding of a foil and substrate is carried out in a vibration mill. The principle of the process is that a substrate and foil are fixed at the top of a vibration chamber. During the subsequent mechano-activation process, the materials are subjected to high-energy collision with balls. As a ball collides with the surface, the foil is cold welded to the substrate. This is a simple and effective method for joining materials, and it also results in the formation of nanostructures. For example, the welding of Cu and Al foils to Al, Ti, and steel substrates has been attempted. Diffusion and plastic flow of materials under ball collisions were the main joining mechanisms contributing to welding. Under the ball collisions a nanograin structure was formed across the foil and at the interface of the substrates. The cladding foils had a good adhesion to substrates.

Ball tool for finishing small deep holes

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Ball, Roller & the like Bearings

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Balls or roller may be metal coated with resin or plastic film, balls or rollers made of resin or plastic;. Rollers incl. a moulded or included helical insert, rollers with grooved peripheries.

Ball-grid arrays in 3D technology

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Overview of German firm RHe which specialises in this.

Ballast tank protection: black magic or black hole ?

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Protection current requirement of different coatings from anodes was measured in field and lab. Rate of coating breakdown with time, obtained from standard and premium coating systems was estimated from field inspections. Data was combined with information from coatings and anode manufacturers on material costs, together with figures from repair yards for anode installation.

Ballast tanks and cargo holds in guidelines for corrosion control for ships

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Guidelines are presented in relation to corrosion control for sea water ballast tanks, oil cargo tanks and cargo holds.