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Life cycle assessment of natural rubber wellies

  1. The existing last suits the development of an ankle support concept using the current RNLI design.
  2. As opposed to producing a last by hand, the application of CAM software and 4-axis CNC milling is used as a way of making a last directly from an E-last.
  3. Life cycle assessment of road construction alternative materials. Two options for waste tyre treatment.

Designed by traditional shoemakers, Shoemaster CAD CAM solutions contain all the tools and functionality required for the design, development and engineering of all types of footwear.

This innovative system reduces costs, improves quality and increases productivity.

Based on proven technology developed over four decades, the software is used successfully worldwide by a portfolio of long standing customers. The foot posture index is a good way to gain qualitative data on small groups of people in a short amount of time, for example crew of a lifeboat.

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However to measure 4000 RNLI employees for my project is not possible. For the means of my project I can reference the foot posture index to show understanding of which foot types are more likely to suffer from ankle inversion injuries and compare it to other measuring tools that could help me achieve a bespoke fit.

The concept of a sock can help achieve good thermoregulation, keeping the feet cool in summer and warm in winter. I can also provide compression in a sock to improve proprioception; the muscles become more active in supporting that area of the foot.

  1. You could have rigid shanks down the side or you could have a lace that you could tighten all the way up that offers support for your mid foot.
  2. In the secondary research and development phase this is something I explore further, looking at ways to include supports like this into the boot as well as other ways the user can adjust the boot themselves.
  3. Erasers are made from natural or synthetic rubber natural rubber is made from the latex of rubber trees, while synthetic rubber is petroleum-based. For the means of my project I can reference the foot posture index to show understanding of which foot types are more likely to suffer from ankle inversion injuries and compare it to other measuring tools that could help me achieve a bespoke fit.

Arch fillers can be placed into pockets around the sock based on the need of the individual, e. The most affective way of preventing ankle inversion injuries would be through the boot; Jimmy suggests using rigid shanks on each side to keep the foot upright or a lace up system for a tighter fit. The Ossur support that Jimmy showed to me is what he usually provides to his patients with ankle inversion injuries.

In the secondary research and development phase this is something I explore further, looking at ways to include supports like this into the boot as well as other ways the user can adjust the boot themselves. You could have rigid shanks down the side or you could have a lace that you could tighten all the way up that offers support for your mid foot. The first option was to develop an ankle support concept using the current RNLI design; the design for this concept route would be informed by the existing last shape.

The second route was to develop a new concept design based on foot-scanning technology where each individual boot is tight fitting and bespoke to the user. Both options were explored further in terms of last development to be considered for manufacture. I have used different manufacturing techniques during this stage of last development, including CNC rapid prototyping.

Life cycle assessment of natural rubber wellies

The fit development route I have chosen to use has informed the final design outcome. This stops the boot from bowing when liquid plaster is poured in to it Fig. STL file which then can be reproduced on a 4 axis milling machine e. The existing last suits the development of an ankle support concept using the current RNLI design.

The last can be directly imported into Shoemaster Custom for a 2D sketch design to be formed around Fig.

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This form of last manufacture could lend itself to being used as an analysis tool for podiatrists to gain a greater understanding of a persons foot, using digital scan data leaves no room for human error. As opposed to producing a last by hand, the application of CAM software and 4-axis CNC milling is used as a way of making a last directly from an E-last.

This is more time effective as well as precise, avoiding human error.