Types of boring machine pdf

LATHE OPERATIONS - OD1645 - LESSON 1/TASK 1 precise lead screw for threading operations. It comes equipped with precision accessories such as a collet, chuck attachment, a taper attachment, and a micrometer stop. Therefore, work of a better class and of a more complete nature may be accomplished on a toolroom-type engine lathe. • Boring machines can be classified based on position of boring tools, accuracy of work required etc. Department of Automobile Engineering . Boring machines 1. Horizontal Boring Machine (HBM) 2. Vertical Boring Machine (VBM) 3. Precision (Jig) Boring Machine (PBM) Manufacturing Technology Department of Automobile Engineering . Manufacturing Technology Types Horizontal boring machine: • The MACHINING OPERATIONS AND MACHINE TOOLS •Turning and Related Operations •Drilling and Related Operations •Milling •Machining Centers and Turning Centers •Other Machining Operations •High Speed Machining ©2002 John Wiley & Sons, Inc. M. P. Groover, "Fundamentals of Modern Manufacturing 2/e" Machining A material removal process in which a sharp cutting tool is used to Machining Operations. Machining operations are classified into 3 principle processes and they are turning, drilling and milling. There are other operations too that fall in miscellaneous categories such as boring, sawing, shaping, and broaching. A specific machine tool is required for taking care of each machining operation. Types of Machining Various Types of Drilling Machines. In a lot of manufacturing processes, one of the most indispensable machining tools is the drilling machine. The drilling machine is commonly called a drill press and is responsible for drilling various sizes of holes in any surface area and to precise depths. These Tunnel boring machine generally vary from 1 to 1.5 m (3.3 to 4.9 ft), too small for operators to walk in. Back-up systems. Behind all types of tunnel boring machines, inside the finished part of the tunnel, are trailing support decks known as the back-up system. Tunnel Boring Machines Slurry Shield Machine Earth Pressure Balanced Shield Machine Mixed Ground Shield Machine Full Shield TBM Open Gripper TBM & New Open TBM Aporo Cutter H & V Shield Machine Dual-Mount Branching H & V Shield Machine Detachable Three-Section Shield Machine Lateral Lead Three-Section Shield Machine Branch Route Shield Machine MSD Shield Machine DPLEX Shield Machine Draw In our wide range of machines, that contains more than 200 types, you will find lathes, horizontal borers, mills, grinders, drills, machining centers, gear cutting machines, presses, forging presses, rolling machines, bending machines, shears, and many other special machines. We also deal with export of materials, investment units, engineering Tunnel Boring Machines aren't all the same, they have different designs meant to meet specific needs depending on the type of tunneling being done. Though we often refer to TBM's as one size fits all, today we wanted to take a look a five different types of Tunnel Boring Machines made by The Robbins Company to explore what they do and how they are used to tackle different tunneling scenarios. impact TBM type employed Boring Machine Technology Non-Circular Tunnel Boring Machine New Developments - Post Reaming Tunnel Boring by Reaming - TBE TBM Selection and Specification TBM Selection - Challenges to be met TBM Technology Auxiliary Measures and Backup New Developments Summary of Selection Process Procurements Specification Conclusions S