The Petroleum Institute STPS 251 Strategies for Teambased

The Petroleum Institute STPS 251– Strategies for Team-based Engineering Problem Solving 2 EXTREME Team - Hydraulic Door Closer I. Introduction IV. The device (internally) VII. Sustainability V. Original closer VIII. Replaced parts cost Problem There are many different brands and designs of door closers but many have design problems associated with cost and short-period maintenance. Purpose To develop a modern door closer that works automatically, safely, efficiently and cost s less than those available in stores. II. Main objectives and constraints Component Objectives Inexpensive Safe Durable Material cost Machining cost AED Easy to install & maintain Environmentally friendly Lightweight Constraints • Afford a door weight from 80 to 150 KG. • Designing cost must not exceed AED 30, 000. III. The device Labor cost . Gear 450 100 750 Cylindrical Rod 550 1200 Spring 500 100 500 IX. Summery VI. Modified closer Modified product which: • Affords a door weight from 80 to 150 KG √ • Cost less than AED 30, 000 to modify √ • Is safe, easy to install and maintain √ • Outer case replaced with plastic √ • Oil is concealed to prevent leakage √ . X. For further information For more information please visit our website: http: //extreme-team. weebly. com Done by: 1 - Bara’ Zamel 920013216 Supervised by: Dr. Jamal Ahmed & Mr. Robert Craig 2 - Mohamed Balfagieh 920011174 3 -Mohamed bin Amro 920012508