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Webster Bennett Vertical Borer

			48”
Capacities		ins		mm
	Diameter of chuck	48		1219
	Admits in diameter
	Up to 17” high (on 36” M/c.); up to 22” on 48” and 60”	53		1346
	Over 17” high (on 36” M/c.); over 22” on 48” and 60”	48		1219
	Admits in height under turret	35		889
	Admits in height under cross-slide	24		610
	Vertical feed of turret	26		660
	Maximum length of hole which can be bored is	24		610
	when diameter of bore exceeds	28		711
	Maximum length of hole which can be bored is	16		406
	when diameter of bore does NOT exceed	28		711
	Diameter of spindle bore	3 ¼		83
	Horizontal feed of turret, chuck centre outwards	32		813
	Diameter of turret holes		3”
	Total height required	155		3937
	Floor space required (excluding electronic cubicle):-
	Front	105		2667
	Side	115		2921
	Distance from chuck centre to junction face	24 ½		622
	Distance, chuck centre to front of cross-slide	15 1/8		384
	Number of speeds		12
	Range of speeds, see Standard Catalogue		---
	Number of feeds		12
	Range of feeds, see Satndard Catalogue		---
	Driving pulley speed, r.p.m – Normal		1000
	- High Speed		1000
	- Special High Speed		1200
	- Low speed		1000
	- Special Heavy Duty		1000
	Horse power of main motor – Normal		20-30
	- High Speed		20-30
	- Special High Speed		25-30 RD*
	- Low Speed		20-30
	- Special Heavy Duty		25-30
	*RD = Restraining device
	Recommended speed of main motor, approx., r.p.m	1440
	Horse power of rapid power traverse motor	3
	Recommended speed of ditto, approx., r.p.m		1430
	Minimum overall height for transit purposes only (height of vehicle excluded)	96		2439
	Approximate weight (excluding main electrical equipment and electronic cubicle)	185 cwts		9400 kilos
	Approximate weight of electronic cubicle	11		560
	Code word – Single Mills	WEBLAMIN with PTE

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