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Small Hole Deep Hole Drilling Machine1
Machine Tools, Drilling Machine, Gundrill, Deep Hole Gundrilling Machine
DEZHOU BTADRILLTOOLS INDUSTRIAL CO., LTD
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Product Description small hole deep hole drilling machineA deep hole gundrilling machine is a specialized industrial tool designed for creating long, precise holes in various materials, with distinct characteristics that set it apart from conventional drilling equipment: - **Exceptional Depth Capacity**: It excels at drilling holes with a high depth-to-diameter ratio (often exceeding 100:1), making it ideal for applications requiring deep, narrow bores in components like hydraulic cylinders, mold plates, or aerospace parts. - **Superior Precision**: Equipped with advanced guiding systems and high-stiffness spindles, it achieves tight tolerances on hole diameter, straightness, and concentricity, typically within ±0.01 mm for diameter and 0.05 mm/m for straightness. - **Integrated Coolant Systems**: A hallmark feature is its high-pressure coolant delivery (often 50-1000 bar), which flushes chips out of the deep hole, lubricates the cutting edge, and prevents overheating-critical for maintaining tool life and hole quality. - **Specialized Tooling Compatibility**: It is engineered to work with gundrill bits, which have a unique single-flute design with an internal coolant channel. This tooling, combined with the machine's rigid structure, ensures efficient chip evacuation and stable cutting even in deep holes. - **High-Speed Performance**: Many models offer variable spindle speeds and feed rates, optimized for different materials (e.g., metals, composites) to balance productivity with precision, reducing cycle times without compromising hole integrity. - **Automation and Versatility**: Modern versions often include CNC controls for programmable operations, enabling automated drilling sequences, repeatable accuracy, and adaptability to diverse part geometries-from simple straight holes to stepped or tapered bores. - **Rigorous Stability**: Built with heavy-duty frames, reinforced guideways, and anti-vibration components to minimize deflection during long drilling cycles, ensuring consistent performance even when working with hard or tough materials like alloy steels or titanium. These features collectively make it indispensable in industries where deep, precise holes are critical to functionality, such as automotive, energy, and precision engineering. Product Parameters machine modelZK2102SXZK2102SX-2ZK2102SX-4ZK2103SXZK2103SX-2ZK2104SX Machining rangeSpindle quantity124121(mm) Spindle distance-160/200160-200-(mm)Drill hole diameter range (mm)Φ3~Φ20Φ3~Φ20Φ3~Φ10Φ4~Φ16Φ8~Φ20Φ6~Φ30Φ6~Φ30Φ10~Φ40(mm) Max drill hole depth500/1000440/950440/950440/950440/950440/950Drilling bar box(r/min ,)Max rotating speed (r/min,stepless)60006000600050004000500050003000Main motor power5.5kW5.5kW×23 .7kW×25.5kW×25.5 kW×27.5 kW7.5 kW×211 kWHeadstock box(r/min ,)Spindle rotating speed (r/min , fixed value)380600500380600380Main motor power1.5 kW3 kW2.2 kW×21.5 kW2.2 kW5.5 kW Cutting tool feed(mm/min ,) Speed range(mm/min,stepless)5-5005-5005-5005-5005-5005-500(m/min) Rapid movement speed333333(Nm) Feed motor torque101010151515 Coolant system(MPa) Max pressure(MPa)101010101010(L/min) Max flow(L/min)100100100100150100150150(,kW)Total machine power(about kw)2024394042222838(××,m) Machine out dimension4.05/5.05×4.05×2.05()Machine total weight(about)6t/7t6t/7t6t/7t6t/7t7t/8t Machine machining accuracyHole accuracyIT7~IT11 roughnessRa0.8~3.2μmHole center line deflection:≤1mm/1000mm;:≤0.5mm/1000mm .(≤100:1)Workpiece no rotating: ≤1mm/1000mm;workpiece rotating:≤0.5mm/1000mm .(length:diameter≤100:1)Straightness of holes≤0.05mm/100mm (≤100:1)≤0.05mm/100mm (length :diameter≤100:1) Detailed Photos
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