Another way of classifying production activity is according to the quantity of product made. In this classification, there are three types of production: 1. Job shop production 2. Batch production 3. Mass production 1.Job shop production. The distinguishing feature of job shop production is low volume. The manufacturing lot sizes are small, often one of…
Automation is a technology concerned with the application of mechanical, electronic, and computer-based systems to operate and control production. This technology includes: · Automatic machine tools to process parts · Automatic assembly machines · Industrial robots · Automatic material handling and storage systems · Automatic inspection systems for quality control · Feedback control and computer process control · Computer systems for planning,…
Joel Goldhar, Dean, Illinois Institute of Technology gives CIM as a computer system in which the peripherals are robots, machine tools and other processing equipment. Dan Appleton, President, DACOM, Inc. defines CIM is a management philosophy, not a turnkey product. Jack Conaway, CIM Marketing manager, DEC, defines CIM is nothing but a data management and…
Nine major elements of a CIM system are in Figure 2 they are, · Marketing · Product Design · Planning · Purchase · Manufacturing Engineering · Factory Automation Hardware · Warehousing · Logistics and Supply Chain Management · Finance · Information Management Figure 2 Major elements of CIM systems i. Marketing: The need for a product is identified by the marketing division. The specifications of…
CIM Hardware comprises the following: i. Manufacturing equipment such as CNC machines or computerized work centres, robotic work cells, DNC/FMS systems, work handling and tool handling devices, storage devices, sensors, shop floor data collection devices, inspection machines etc. ii. Computers, controllers, CAD/CAM systems, workstations / terminals, data entry terminals, bar code readers, RFID tags, printers,…
Computer Integrated Manufacturing (CIM) is considered a natural evolution of the technology of CAD/CAM which by itself evolved by the integration of CAD and CAM. Massachusetts Institute of Technology (MIT, USA) is credited with pioneering the development in both CAD and CAM. The need to meet the design and manufacturing requirements of aerospace industries after…
Computer Integrated Manufacturing (CIM) encompasses the entire range of product development and manufacturing activities with all the functions being carried out with the help of dedicated software packages. The data required for various functions are passed from one application software to another in a seamless manner. For example, the product data is created during design….
To Perform Command Shortcut Edit an external reference in place REFEDIT REFEDIT Opens select reference file dialogue for attaching Xref XATTACH XA Opens Xbind dialogue – allows import only of symbols etc XBIND XB Create a border in an xref to hide outside area XCLIP XC Opens a selected xref in a new window XOPEN XOPEN Opens Xref manager dialogue box XREF XR
To Perform Shortcut Opens viewports dialogue box VPORTS Perspective view. DV Switch to model space in a viewport MS Create a viewport using command line -VPORTS Make a viewport in paper space MV Switch to paper space from viewport PS Cycle through viewports CTRL+R Switch up between layout tabs CTRL+PAGE UP Switch down between layout…
To Perform Command Shortcut Align UCS with an object, first select UCS OBJECT OB Display UCS manager dialogue box DDUCS UC Universal co-ordinate system options UCS UCS Change the UCS icon appearance UCSICON UCSICON Return to the WCS WORLD W