● The aperture accuracy is IT7-IT10. ● Surface roughness RA3.2-0.04μm. ● The straightness of the center line of the hole is ≤0.05mm per 100mm length.

The scope of work	ZSK2302	ZSK2303
Drilling diameter range	Φ4～Φ20mm	Φ5～Φ30mm
Maximum drilling depth	300-1000m	300-2000m
Maximum lateral movement of the workpiece	600mm	1000mm
The maximum vertical direction of the lifting platform is formed	300mm	300mm
Spindle part
Spindle center height	60mm	60mm
Drill pipe box part
Number of spindle axis of drill pipe box	1	1
Spindle speed range of drill pipe box	800～6000r/min; stepless	800～7000r/min; stepless
Feed part
Feed speed range	10-500mm/min; stepless	10-500mm/min; stepless
Fast moving speed	3000mm/min	3000mm/min
Motor part
Drill pipe box motor power	4kW frequency conversion speed regulation	4kW variable frequency speed regulation
Feed motor power	1.5kW	1.6kW
Other parts
Rated pressure of cooling system	1-10MPa adjustable	1-10MPa adjustable
Maximum flow of cooling system	100L/min	100L/min
Cooling oil filtration precision	30μm	30μm
CNC
Beijing KND (standard) SIEMENS 828 series, FANUC, etc. are optional, and special machines can be made according to the workpiece situation

● Water hole, perforation hole and electric heating hole in plastic mold industry. ● Valves, distributors and pump bodies for hydraulic machinery industry. ● Engine cylinder blocks, fuel supply system parts, transmission system parts, steering mechanism housings and steering shafts in the automobile and tractor industries. ● Propellers and landing gears for the aerospace industry. ● Deep hole processing of heat exchange plates and other parts in the generator industry.