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    Home»News»The Ultra-thin OPPO R5 First look
    News

    The Ultra-thin OPPO R5 First look

    MOBILITY INDIABy MOBILITY INDIADecember 29, 2014No Comments5 Mins Read
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    How often is it that you see somebody dropping their phone? When reviewing smartphone specifications a few common questions come to mind:How does this phone feel in my hand? Is it strong enough? Can it withstand a fall? Although it is an ultra-thin phone at only 4.85mm, the OPPO R5 eliminates this frustration because it has been designed with the palm in mind. By making full use of the space available to grip on the phone’s body, OPPO has created a delicate balance between ergonomic practicality and efficiency.

    1.2mm and the Asymmetric Micro-arc Frame
    Straight-sided shapes are commonly seen in engineering designs due to the way that they are able to utilize the space available most effectively. However, there are drawbacks that come from using these types of shape, mainly a lack of style and the sacrifice of a more ergonomic form.

    During the planning and design of the R5, OPPO’s research and development team conducted a careful study of smartphone user’s habits when it comes to holding their device. They find that when you normally hold a phone, three parts of the frame come into contact with your hand. After extensive research, the design team settled upon a frame for the R5 that is as attractive as it is easy to handle.

    Handing with OPPO R5
    The R5’s most standout characteristic is its asymmetric design.
    Generally, phone frames have symmetrically rounded corners for both aesthetic and ergonomic reasons. This approach, however, was not suitable for the OPPO R5’s 4.85mm ultra-thin frame. Each corner of the R5’s frame has two curves that are the same diameter but are different heights (in contrast with commonly used symmetrical curves), with the upper curve being slightly longer than the lower curve, this results in side curves slightly tilting up in a more robust fashion.
    To be exact, the frame’s upper curve is 2.6mm and its lower curve 1.4mm. This seemingly minor difference in length allows the phone to fit exactly within your palm, this ergonomically designed curve is what OPPO calls the “micro-arc frame”.

    Micro-arc Frame with unique 1.2mm curve
    Unparalleled Investment: Customized Tools Plus Hand-polishing
    The construction of the micro-arc frame, which combines an excellent grip with pleasing aesthetics is rather complex because it involves an unprecedented application of CNC* machining to a high-hardness material like stainless steel. Therefore, OPPO worked with its suppliers to tailor-make a set of tools to machine the micro-arc frame for the R5.

    Micro-arc Frame and Customized Tools
    In order to ensure adequate hardness, the stainless steel used to make the micro-arc frame had undergone four forging applications and was pressed five times in order to take it to a hardness of 250HV, which is around 50HV higher than most other smartphones released previously this year.. A new tailor made tool was installed for every 100 R5 frames produced to ensure flawless quality.

    The CNC machining leaves tool marks on the frame which are generally machine-polished, but this approach was not suitable for the micro-arc frame because it would flatten the micro arc, undoing the previous precision manufacturing.
    In response, OPPO made a decisive decision to use trained craftsmen to smooth and polish the tool marks on each and every device by hand.

    This in turn raised production costs; however, hand polishing the R5 not only brought a personal touch of excellence which can be seen in premium Swiss watches, it also enabled us to make sure every single micro-arc frame was flawlessly smooth without any imperfections.

    Hand polishing work for OPPO R5
    Sophisticated manufacturing processes create a silky smooth texture
    The considerable input into the making of the micro-arc frame was just the first step to in creating the perfect handset.
    To minimize scratches from daily wear and tear, OPPO made use of a unique PVD*** process to strengthen the integral structure of the R5, whiched increased the hardnessfrom 250HV to 400HV. Aditonally, OPPO constructed a specially treated aluminum alloy body and frame that work in cohesion through 3D welding. In total, the R5 is forged four times, undergoes five rounds of high pressure treatment and a fully comprehensive 55-step production process, which is the most complicated in mobile history. The concluding results are what can be considered as the toughest ultra-thin smartphone in the world.

    PVD Process to strengthen the integral structure of the R5
    In spite of all these efforts, there was yet another final challenge to overcome! The challenge was how to optimize the R5’s grip, so we turned our attention to the back cover.

    OPPO reached out the world’s leading coating material producer and commissioned a customized new material for the R5. The material, based on imported eco-friendly resin and enhanced by more than 20 auxiliary materials, is coated on the R5’s metal back cover in three layers. It is worth emphasizing that every coating layer is thinner than ordinary paints. The silvery colored paint, in particular, is only one fifth of the thickness of ordinary colored paints.

    By controlling the thickness of every micron, OPPO delivers a stainless steel handset which fits perfectly into the users’ hands. Meanwhile, the industry’s finest paint contributes to the R5’s extraordinary surface smoothness.

    Coating layer brings smooth surface
    The combination of uncompromising R&D and huge input eventually culminates in the best grip of the OPPO R5’s unique micro-arc frame and the satisfyingly delicate smoothness of its back cover. This ultra-thin handset, which gives the best and most convincing expression of OPPO’s relentless pursuit of perfection and its ability to translate ideas and values into effective action, has more thoughtful details which wait for you to experience personally.

    Micro-arc Frame OPPO R5 OPPO R5 price Ultra-thin OPPO R5
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