MIT ml waterjet 15oct01a

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Published on January 4, 2008

Author: Clarice

Source: authorstream.com

Abrasive Water Jet Cutting:  Abrasive Water Jet Cutting MIT Media Laboratory With the assistance of Brygg Ullmer and Andrew Houck Sources: http://www.waterjets.org, http://www.omax.com, http://www.flowcorp.com Prof. Isaac Chuang Motivation I:  Motivation I 4” titanium Motivation II:  Motivation II Cut up to 2” thick material 0.020” tolerances typical Machine virtually any 2D shape Extremely fast setup and programming Environmentally friendly Motivation III:  Motivation III Outline:  Outline 1. History 2. Technical Overview How high-pressure water jet is created Pure waterjet vs. abrasive waterjet 3. Applications guide 4. Safety Rules History:  History http://www.flowcorp.com Technical Overview:  Technical Overview System Components: High pressure water pump Precision XY table Controller (PC) Abrasive Jet Our machine: Omax 2652 Water Pump:  Water Pump High Pressure Water Requirement: generate and control water at pressures of 60,000 psi X-Y Stage:  X-Y Stage Design: Tolerance: 0.0005” (0.01mm) Pure Water Jet:  Pure Water Jet 2500 feet per second Pure Water Jet:  Pure Water Jet Abrasive Jet System:  Abrasive Jet System Abrasive stored in hopper Water goes through sapphire orfice: 2500 feet per second. Suction draws abrasive and air through plastic feed tube They combine in mixing tube to form cutting stream at 1000 feet per second Pure Water Jet:  Pure Water Jet Abrasive Jet System: OMAX:  Abrasive Jet System: OMAX Technical Overview II:  Technical Overview II Other Manufacturers:  Other Manufacturers Also: Paper cutters… Applications: Pure Water:  Applications: Pure Water Applications: AbrasiveJet:  Applications: AbrasiveJet 3D Router Safety:  Safety 1. NEVER LEAVE MACHINE UNATTENDED 2. Do not get finger in waterjet path 3. Wear safety goggles 4. No open-toed shoes 5. Secure piece well 6. Mop up water

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