cristianabel86
Detallista
Bueno la pregunta es esa.. Si alguien la sabe por favor expliquela!!
Saludos
Saludos
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Bueno la pregunta es esa.. Si alguien la sabe por favor expliquela!!
Saludos
Para mi es lo mismo que la vueltita verde...
Entonces con esta tecnica solo hace falta el polish de corte y ya queda perfecto, es asi?? Supongo que es solo para rotativa, que con una orbital no funciona.
Saludos,
El método dell punto Zenith, es una técnica de pulido, te paso un extracto de la guía de pulido de Dave KG (DW) donde explica en que consiste esta técnica :
The basic outline of the technique is shown by the diagram below, taken from Brazo’s guide to rotary polishing:
The idea of this method is to start at slow speed, and work up to the Zenith Point. During this stage, and the passes as the fastest speed, the original defects in the paint are being removed by the abrasives. However the abrasives of the polish are also causing their own lighter defects. These are removed by the right hand side of the above diagram, slowing the speeds back down from the zenith point. This removes the polish induced marring and holograms so that you finish with a crystal clear finish.
EXTENDING THE ZENITH POINT TECHNIQUE – THE ZENITH PLATEAU
Here we look at methods of extending the generic technique above to the working of various polishes on the market today. The guide is not polish or paint specific, and changing either will affect the choices of speed, number of passes and applied pressure. Typically when machine polishing, the majority of the work is carried out at speeds of 1500 – 2000rpm. Once you reach the “working speed”, you plateau at this point until the abrasives and worked, reducing speed only for the finishing passes to burnish the paint to a high gloss and remove any faint holograms that may be left.
Shown in the schematic below is a typical set of speeds and passes made to work a polish with diminishing abrasives, such as Menzerna PO85RD3.02 Intensive Polish:
This method works the polish through its various stages of abrasives described earlier:
• 2 passes at 600rpm to spread the polish ready for use
• 2 passes at 1200rpm to begin working the polish
• 4 passes at 1500rpm to work the abrasives to remove the defect
• 4 passes at 1800rpm to continue working the abrasives to remove defects
• 4 passes at 1500rpm to remove inflicted marring with the now lighter cutting abrasives
• 2 passes at 900rpm to burnish the finish to a high gloss
A total of 18 passes per section may seem like a huge amount! However, with many polishes on the market today, a large number of passes are required to fully work the abrasives and get the best out of what the polish has to offer.
Shown in the diagram below is a schematic of the abrasives in a polish cutting through the paint to remove a paint defect and then burnish the finish, using the number of passes above:
The importance of the large number of passes becomes clear – not enough passes will result in poor correction through not getting the full cut the polish has to offer. Additionally it will result in inflicted marring to the finish and poor overall level of gloss.
The above is simply a suggested example for a number of passes and speeds to use. Some types of polish will work better at lower speeds, others higher speeds. Different detailers will also favour different numbers of passes and different speeds. When testing out which polish and pad combination are required to deliver the correction required, it is also worthwhile spending some time learning what speeds and pressures you will need to use to get the best results from the polish. The paint also has an effect on this!
On the face of it, there are a huge number of possible variables on the table, each affecting the final outcome. This may now look very daunting. In practice however it will quickly become clear what methods will work for a specific paint type, and on some occasions it will be necessary to spend a little more time learning the paint to get the best results. The above should give you a starter from which to build and is only intended to be a generic guide.
Espero que te ayude.
Mario, pero eso que tú dices es una técnica de trabajo. Quizás, y por decirlo de alguna manera, un 'resumen' de la técnica descrita. Sin embargo lo que Mano nos ha mostrado, es la respuesta a la pregunta del forero cristianabel86, que es lo que quería saber: ¿qué es la técnica del Zenith?
Yo lo que si se, es que no se puede decir tantas pasadas y 'listo-finito'. El polish, el pad, la máquina y la pintura sobre la que trabajamos, nos dirán cuantas pasadas necesitamos. Bueno, eso y la experiencia del 'makitero' por supuesto. Punto realmente importante de la ecuación.
Muy diferente es trabajar con Gtecnich, por ejemplo, de hacerlo con un 3M FCP, o este de un Farecla. Incluso en este ejemplo, la técnica del primero nada tiene que ver con las técnicas que podamos emplear en los otros dos ejemplos de pulimentos.
Sólo daba mi opinión en cuanto a "cerrarse" a una técnica descrita.
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