TECHNICAL TERMS OF MACHINE COMPONENTS AND ATTACHMENTS EXPLAINED !!
1.)BACK GEARS – Gears applied to machine tools to increase the number of speed changes obtainable with a cone or step pulley belt drive.
2.)BASTERED THREAD – A screw thread which does not confirm to any recognized standard dimensions.
3.)BOLSTER – Support for dies and tools in forging presses and drop stamps.
4.)COLLET – Means of gripping a bar to give quicker chucking, particularly in capstan work for rapid and accurate setting.
5.)CLAMP – Device for holding work during marking out, measuring,machining, fitting or grinding.