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Product Code The product code is used by all Shimano dealers to identify the model.
Number of Sections Casting Weight Casting Weight The casting weight indicates the optimum casting weight for the rod to perform correctly. Line Rating For saltwater rods the line rating is show in lbs. Test Curve Test Curve For specimen rods the test curve is shown in lbs.
Jig Weight For jigging rods the ideal jigging weight is shown in grams. Below is an overview of the most important Shimano reel features. This delivers a long lasting smoothness, strength, lightness and power at the very heart of the reel.
Shimano use magnesium for a select number of ultra high quality reels where weight saving is essential. X-Ship is a combination of features that work together to create much greater efficiency.
By positioning the pinion gear close to the centre line of the large diameter drive gear, more power is transferred from the handle to the rotor. This creates more stability. This protection reduces wear, improves efficiency and deliverers super smooth performance. S A-RB bearings are used in salt water reels. Designed to exacting tolerances, it requires less effort but returns more retrieve playing torque with vastly reduced component wear.
Easy Maintenance is a small oil lubrication port that enables direct lubrication of the inner workings of a reel with approved Shimano lubricant. Some high-end Shimano reels have a line roller lubrication option.
Diecast aluminium is used for many types of reel and is most common on fixed spool reel bodies and rotors. Made from one single piece of aluminium Cold Forging produces great strength.
Machined aluminum is used for the very best multiplier reels where precision, strength and lightness are very important. This highly technical material is 2.
CI4 is an exclusive material created by the inter-fusion of carbon and polyamide.
It is almost as strong as metal with the lightness of a composite. The lower this temperature difference, the shorter the cooling time and thus usually also the cycle time. The difference between melt temperature and solidification point depends on the particular polystyrene grade. A measure of the solidification point is the Vicat softening temperature.
The higher the flow of Polystyrol, the lower the temperature at which it can be processed, so grades which flow easily and at the same time solidify rapidly can be processed most quickly. Shrinkage Polystyrene undergoes considerably less shrinkage than partially crystalline plastics.
Although it is primarily a material property, it is also decisively influenced by the geometry of the mouldings restricted or free shrinkage and by processing conditions such as melt temperature, mould surface temperature and follow-up pressure.
Local interplay between these parameters may cause great differences in shrinkage within one and the same moulding. As a rule, the processing shrinkage is between 0.
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It may even be zero in zones within the moulding that are subjected to a high follow-up pressure vicinity of the sprue. Extrusion Products The most suitable polystyrene products for extrusion are those with a high viscosity, i. However, materials with a higher MVR are also used for multilayer composites. The desired ratio of rigidity to toughness can be obtained by blending high-impact and general-purpose polystyrene.
An important point to observe for ensuring a homogeneous melt is that the flow characteristics of the blend components do not differ too widely the flow is indicated by the final letter in the product designation.
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Equipment items required are a metering and mixing device upstream of the extruder inlet and a mixing element in the melt region upstream of the die. The bursting pressure test on finished, thermoformed cups gives a good guide to the toughness of the material used.
The bursting index as a function of the mixing ratio is shown for two examples of blends in Figure As a rule, the grades with a higher viscosity are extruded at a higher temperature. Pressure and temperature of the polymer should be measured where possible by means of suitable devices. In practice, the screw pressure ranges from to bar.
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For safety reasons, a maximum pressure warning device should be fitted. Vented extruders Vented extruders allow the extraction of volatile constituents e. The classical vented extruder screw can be likened to two three-zone screws arranged in tandem Figure The length of modern vented extruders is in the range D. The compression ratio should generally be between and Compression ratios of can also be employed when processing up to 50 percent of regrind. In principle, polystyrene can also be extruded without the use of a vented extruder.
It has been found in practice that predried granules cause fewer production and quality problems in the long term, although films which have been produced without the use of a vented extruder have inferior organoleptic characteristics. Dies Slit dies are used for the extrusion of both flat film and sheet. In both cases, the length of the parallel zone is about 20 times the slit width.
Sheets are usually produced using an adjustable choker bar, while films are produced without it. When a choker bar is employed, it should be set obliquely Figure The lower lip is interchangeable in order to cover a greater thickness range. Calibration rolls On leaving the die, extruded sheet is led through calibration rolls. The roll temperature should be as high as possible to keep molded-in stresses to a minimum during cooling. A rule of thumb is that the temperature at the surface of the center roll should be about 5 K below the limit at which the extruded sheet sticks to the surface of the steel.
This gives an idea of the most favorable temperature settings on all the rolls for a given product under given conditions. If the melt is fed downward, the temperature of the upper roll should be set to a value well below that of the center roll, e. The temperature setting on the lower roll should be between those on the upper and center rolls. If curvature of the sheet occurs after passing through the rolls, the temperature settings need to be optimized.
As a general rule: the concave side corresponds to a roll which is too hot and, conversely, the convex side corresponds to a roll which is too cold. Orientation The orientation or even prestressing of sheet intended for further shaping can be assessed by heat treatment as described in ISO Increasing the melt temperature is the most effective means of achieving low shrinkage, but this must obviously be kept to a level which does not cause appreciable degradation of the product.
Other available parameters, which have varying degrees of effectiveness, are die gap, distance between die and roll, roll temperature and tension on the sheet. Coextrusion Coextrusion enables the properties of several materials to be combined. It requires matching of the flow properties of the materials used.
The extruded product is a multilayer composite in which the individual layers should adhere to one another. If the adhesion of the layers to be combined is nonexistent or inadequate, a layer of bonding agent has to be interposed. A distinction is made between adapter and die coextrusion. In adapter coextrusion, the composite is built up in front of the die and is extruded as if it were a single-layer melt.
In die coextrusion, the layers are formed separately in a special die and are subsequently joined. General-purpose polystyrene GPPS is often used as a gloss layer on a high-impact substrate.
In most other cases, a bonding agent has to be used and the choice depends on the components of the composite. The licensed contractors' guide Managing and working with asbestos: Control of Asbestos Regulations More resources. See also Risk assessments Information, instruction and training Duty to manage. See also What does asbestos look like? Is this page useful? Yes No. HSE aims to reduce work-related death, injury and ill health.Featuring a unique polyurethane and acrylic undercoating for maximum water resistance, Sunbrella Plus offers a proven solution for marine applications that experience vertical rain issues, like dodgers and Biminis.
The novel is an example of a bildungsroman , following the life of a distinguished member of the Castalian Order, Joseph Knecht, whose surname means "servant" and is cognate with the English word knight.
Skip to content Skip to navigation. Recycled Content Unity is the first recycled Sunbrella shade fabric. Resources Asbestos essentials Asbestos: Recycled Content Unity is the first recycled Sunbrella shade fabric. Another advantage of polystyrene is that it absorbs little heat up to the thermoforming temperature, which has a favorable effect on the energy balance and the cycle time.