上海维宏电子科技股份有限公司
Weihong Electronic Technology Co., Ltd.
Specialized, Concentrated, Focused 27
Operation at bottom of
hole
Boring cycle of dwell at
bottom of hole
Notes: G76, G87, and G88 commands are not supported for the time being.
Canned Cycle Operations
Generally speaking, canned cycle of hole machining is comprised of the following six operations,
see Fig. 4-17.
Operation 1: positioning of X axis and Y axis---the cutter is rapidly located to the position of hole
machining.
Operation 2: rapid traverse to point R---the cutter rapidly feeds from initial point to point R.
Operation 3: hole machining----executing hole machining at the mode of cutting feed.
Operation 4: operations at bottom of hole----including dwell, exact stop of spindle, cutter
displacement, and so on.
Operation 5: return to point R----for continuing hole machining and safely moving the cutter.
Operation 6: return to initial point at rapid traverse rate----generally, initial point is selected after
hole machining completed.
Operation 1
Initial Point
Operation 2 Operation 6
Operation 5
Operation 3
Operation 4
Feed
Point R
Rapid Traverse
Fig. 4-17 Operation Sequence of Canned Cycle
Initial Plane
Initial plane is a plane specified for a safe plunge. The distance between initial plane and
workpiece surface can be set within the safe limit.
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