17:59 Nov 11, 2019 |
Spanish to English translations [PRO] Tech/Engineering - Transport / Transportation / Shipping / IT program for the maintenance of railway vehicles | |||||||
---|---|---|---|---|---|---|---|
|
| ||||||
| Selected response from: Helena Chavarria Spain Local time: 13:19 | ||||||
Grading comment
|
Summary of answers provided | ||||
---|---|---|---|---|
3 +2 | re-turning/re-profiling |
| ||
3 | bearing exchange |
|
Discussion entries: 3 | |
---|---|
re-turning/re-profiling Explanation: This is what I've found. Cuando el bogie llega a la cadena de reparación se le desmonta la timonería de freno, la traviesa y los ejes, que pasan a reparación con torneo de ruedas y revisión de rodamientos. La estructura de chapa es picada y pasa al banco de calibración para cuadrarlo. https://www.vialibre-ffe.com/pdf/10737_pdf_03.pdf Unique turning considerations and circumstances come into play when re-turning well-worn freight and metro rail wheels. Specialty tooling geometries and grades are available to optimize any number of wear conditions. It’s a big business. Re-turning, which essentially is a re-profiling operation, maximizes railway wheel life and serves to extend rail life as well. Wheels are less expensive and less labor intensive to replace than the rails, making railroad wheels the main consumable (next to fuel) in the rail industry. https://www.productionmachining.com/articles/re-turning-adds... Re-Turning rail wheels Rail wheels are usually re-turned dry with an underfl oor rail wheel lathe. Inserts are typically in vertical, upright position and are required to have smooth chip control and high fracture resistance. https://www.tungaloy.com/wp-content/uploads/ir006.pdf All this is complicated by wheel tread profile wear which causes departure from the cone; in fact I have seen wheel profiles where the working part of the tread had negative conicity. Last I heard there was an aim to design suspensions to allow for a worn profile and to discover a stable "worn profile" to which wheels would be actually be made new and would hopefully go for longer between re-turning on the lathe. I have been on trains with such worn wheel profiles that the wheelsets are hammering from side-to-side between the flanges on straight track. https://www.railforums.co.uk/threads/does-taper-or-flange-ha... |
| ||||||||||
Grading comment
| |||||||||||
5 days confidence:
Login or register (free and only takes a few minutes) to participate in this question. You will also have access to many other tools and opportunities designed for those who have language-related jobs (or are passionate about them). Participation is free and the site has a strict confidentiality policy. KudoZ™ translation helpThe KudoZ network provides a framework for translators and others to assist each other with translations or explanations of terms and short phrases.
See also: Search millions of term translations Your current localization setting
English
Select a language Close search
|