Society of Glass Technology · [Sheffield] · leaf 468
one plane with the work axis. The annular grinding disc (e) is formedwith a bevelled surface (e^) togive the necessary clearanceand an active surface (e^) togive the abrupt step. Thedisc is carried on a drivenspindle (/) in bearings in ayoke flame (h) supported onaligned pivots (/), which… … uo JOURNAL OF THE SOCIETY OF GLASS TECHNOLOGY. iug dish out of the ])hine of the axis (c^) of the work spindle.The rough grinding is accomplished with the axis (e^) set at anangle to the axis of the work spindle. During this ojDeration, theaxis is gradually lowered until, for the finishing…
Glass
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