Products Center - ZSK21 series CNC deep hole drilling machine

ZSK21 series CNC deep hole drilling machine

This machine tool is a deep hole machining equipment used for drilling cylindrical bar materials. It is an efficient, high-precision, and highly automated machine tool that uses the external chip removal method (gun drilling method) to drill small holes. The machining quality that usually requires drilling, expanding, and reaming processes can be achieved through a single continuous drilling operation. The aperture accuracy is IT7-IT10, the surface roughness is RA3.2-0.04 μ m, and the straightness of the hole centerline is ≤ 0.05mm per 100mm length.
  • Category :CNC gun drilling machine tool
  • Hits : 85
  • Date :2025-11-28
  • Detailed Introduction

Machine Tool Applications:

♦ Used for deep-hole drilling of cylindrical bar stock.

Machining Process:

♦ It is a highly efficient, precise, and automated machine tool for drilling small holes using the external chip removal method (gun drilling method).

♦ Achieves machining quality typically requiring drilling, reaming, and boring operations in a single continuous drilling process.

Machining Accuracy:

♦ Bore diameter accuracy ranges from IT7 to IT10.

♦ Surface roughness ranges from RA3.2 to 0.04μm.

♦ The straightness of the bore centerline is ≤0.05mm per 100mm length.

Technical Specifications

Product Models/Parameters

Model ZSK21008 ZSK2102 ZSK2103 ZSK2104
Working Range
Machining Bore Diameter Range Φ1-Φ8mm Φ3-Φ20mm Φ5-Φ40mm Φ5-Φ40mm
Maximum Machining Depth 10-300mm 30-3000mm (Note: Maximum depth not specified for ZSK2103 beyond general range; assume similar to others or clarify.) (Same as above)
Spindle
Number of Spindles 1 1, 2, 3, 4 1, 2 1
Spindle Speed 350r/min 350r/min 150r/min 150r/min
Drill Spindle Box
Speed Range of Drill Spindle Box 3000-20000r/min 500-8000r/min 600-6000r/min 200-7000r/min
Feed
Feed Speed Range 10-500mm/min 10-350mm/min (Note: Feed speed range not specified for ZSK2103; assume similar to others or clarify.) (Same as above, if applicable)
Rapid Tool Movement Speed 5000mm/min 3000mm/min (Note: Rapid movement speed not specified for ZSK2103; assume similar to others or clarify.) (Same as above, if applicable)
Motors
Power of Drill Spindle Box Motor 2.5kw 4kw 5.5kw 7.5kw
Power of Headstock Motor 1.1kw 2.2kw 2.2kw 3kw
Feed Motor (Servo Motor) Torque 4.7N·M 7N·M 8.34N·M 11N·M
Others
Cooling Oil Filtration Precision 8μm 30μm (Note: Filtration precision not specified for ZSK2103 and ZSK2104; assume similar to others or clarify.) (Same as above, if applicable)
Coolant Pressure Range 1-18MPa 1-10MPa (Note: Pressure range not specified for ZSK2103 and ZSK2104; assume similar to others or clarify.) (Same as above, if applicable)
Maximum Coolant Flow Rate 20L/min 100L/min 100L/min 150L/min
CNC
CNC System Beijing KND (standard configuration), SIEMENS 802 series, FANUC, etc. available as options. Special machines can be customized based on workpiece requirements.


This article URL :http://www.sjmachine.cn/EN/products_show.php?classid=3&id=199
Label :CNC gun drilling machine tool , ZSK21 series CNC deep hole drilling machine
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