Product Description

> D320

· Two-speed motor
· All main parts are made with quality cast iron
· Wide belt stepless timing
· Digital readout for the display of speed
· With fender device
· Supply 125mm precision vice and cross worktable as special accessories

> D350

· Two-speed motor
· Aluminium belt wheel stepless timing
· Mechanical feed
· Particular device for dismounting cutters
· Digital readout for the display of speed
· With coolant device
· With fender device
· Supply 125mm precision vice and TS250 rotation worktable as special accessories

> DN4025 Bench Drilling Machine

> DN5025 Column type of Vertical Drilling Machine

Technical Parameters:

Model No.	Unit	D320	D350	DN4025	DN5025
max. drilling diameter(steel)	mm	Ø25(0.98")	Ø35(1.38")	Ø25(0.98")	Ø25(0.98")
max. tapping diameter		M12	M20	M16	M16
max. travel of spindle	mm	110(4.33")	160(6.30")	110(4.33")	110(4.33")
max. distance from spindle to generating line of column	mm	230(9.06")	320(12.60")	240(9.45")	240(9.45")
max. distance from spindle nose to surface of worktable	mm	690(27.17")	625(24.61")	/	630(24.80")
max. distance from spindle nose to surface of base worktable	mm	1180(46.47")	1180(46.47")	650(25.60")	1100(43.31")
max. travel of spindle box	mm	/	/	500(19.69")	250(9.84")
max travel of worktable and bracket	mm	555(21.85")	585(23.03")	/	450(17.72")
spindle taper bore		MT3	MT4	MT3	MT3
spindle speed steps	steps	Stepless	Stepless	6	6
spindle speed range	r/min	80~1600	85~1800	125~2825	125~2825
spindle feed steps		/	3	/	/
spindle feed range	mm/r	/	0.1,0.2,0.3	/	/
dimension of worktable	mm	400×320(15.75"×12.60")	500×420(19.69"×16.54")	/	350×400(13.78"×15.75")
effective working area of worktable	mm	340×320(13.39"×12.60")	370×360(14.57"×14.17")	310×320(12.20"×12.60")	310×320(12.20"×12.60")
diameter of column	mm	Φ100(3.94")	Φ120(4.72")	Φ95(3.74")	Φ95(3.74")
power of motor	kw	0.70/1.3	1.0/1.7	0.75	0.75
machine dimension	mm	820×530×1715	965×515×1920	700×500×1500	700×500×1900
packing dimension	mm	840×480×1800	1100×600×2010	750×550×1550	750×550×1950
N.W./G.W.	kg	245/280	450/500	230/280	300/350