KL Series 3-Jaw Hollow Vertical Pneumatic Power Chuck

KL Series 3-Jaw Hollow Vertical Pneumatic Power Chuck

ertical hollow through-hole pneumatic 3-jaw chuck, front air inlet design, compatible automatic bar feeding, widely used for CNC lathe and vertical automation machining.
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Description

KL series 3-jaw hollow vertical pneumatic power chucks are manufactured from high-strength alloy steel with overall quenching and precision grinding, designed for vertical installation automated turning.
  1. Large hollow through-hole structure supports long bar automatic feeding processing, perfect for continuous batch production.
  2. Front side air inlet layout, no rear air cylinder protrusion, saves installation space on machine table.
  3. 3-jaw self-centering structure guarantees high positioning precision ≤0.015mm, stable clamping for round/hexagonal workpieces.
  4. Double acting push-pull piston design with independent push & pull side clamping force, adaptable to inner/outer diameter clamping requirements.
  5. Hardened sliding guide and jaw serration for long service life and outstanding wear resistance.
  6. Standard flange mounting dimension matches mainstream vertical CNC lathe and machining center layout.

Complete Specification Table (Unit: mm / kg)

Mounting & Outline Dimension

MODEL A B C D E F G H I J K L M N O
KL-06 168 140 218 72 M55×2.0P 15 52 6 45 104.8 195 6-M10 11 12-M10 PT1/4
KL-08 210 170 258 81 M60×2.0P 18 58 6 45 133.4 234 6-M12 13 12-M12 PT1/4
KL-10 254 220 306 97 M85×2.0P 20 72 6 70 171.4 280 6-M12 17 12-M16 PT1/4

Performance Parameter

MODEL P Piston Stroke(mm) DIA.(mm) Max. Pull Force-KN(kgf) Piston Area(cm²) Max.Pressure kgf/cm²(Mpa) Weight(kg) Universal power chuck Price
Push side Pull side Push side Pull side
KL-06 22 12 105 24.5(2500) 23.5(2400) 71 68 40(3.9) 24.5 6 inch hollow
KL-08 22 16 125 36.0(3700) 31.5(3200) 100 89 40(3.9) 43 8 inch hollow
KL-10 22 20 155 57.0(5800) 54(5500) 160 150 40(3.9) 69.1 10 inch hollow

Parameter Explanation

  • A/B/C/D/E/F/G/H/I/J/K/L/M/N/O : Overall and installation dimension(mm), correspond to engineering drawing mark
  • Piston Stroke : Single jaw maximum moving travel distance
  • DIA : Central through-hole effective diameter for bar feeding
  • Push/Pull side Force : Outer clamping & inner clamping rated force under max working air pressure
  • Piston Area : Effective compression area of push and pull air piston
  • Max.Pressure : Maximum permissible working air pressure
  • Universal power chuck : Matching standard hollow chuck specification

Applications

CNC Machining

Ideal for CNC lathe, milling and machining center operations, ensuring high-precision dimensional control and reliable tool holding for mass production.

Quality Control Labs

Suitable for quality inspection departments and calibration labs, providing accurate measurement data to verify product compliance with ISO and industry standards.

Mold & Die Making

Perfect for mold and die workshops, where micron-level precision tools and gauges are essential for complex cavity machining and final inspection.

OEM/ODM Projects

Customizable solutions for OEM and ODM manufacturing partners, offering tailored measuring tools and CNC accessories to meet unique production requirements.

Automotive Manufacturing

Designed for automotive component production lines, ensuring consistent precision and durability in engine parts, transmission components and assembly processes.

Aerospace & Precision Engineering

Ideal for aerospace and defense manufacturing, where ultra-high precision instruments and reliable tool holders meet strict quality and safety requirements.

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