QZ Series 3-Jaw Vertical Pneumatic Power Chuck

QZ Series 3-Jaw Vertical Pneumatic Power Chuck

Vertical-mounted 3-jaw pneumatic chuck with stable clamping force, ideal for milling, drilling, boring and rotary table operations on vertical machine tools.
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Description

QZ series 3-jaw vertical pneumatic power chucks are manufactured from high-strength alloy steel with overall quenching and precision grinding, specially designed for vertical machining applications.
  1. Vertical mounting structure is perfectly compatible with milling machines, drilling machines, boring machines and rotary tables.
  2. 3-jaw self-centering design ensures high centering accuracy and uniform clamping force distribution.
  3. Pneumatic drive system delivers fast clamping and unclamping response, improving production efficiency for automated processing.
  4. Optimized wedge mechanism provides stable and reliable clamping force, suitable for both light and heavy-duty cutting operations.
  5. High runout accuracy ≤0.02mm, delivering excellent machining precision and surface finish.
  6. Hardened jaws and guideways offer superior wear resistance and long service life.
  7. Standard mounting dimensions compatible with most common vertical machine tool spindles, easy to install and maintain.

Complete Specification Table (Unit: mm / kg)

Mounting Dimensions

MODEL D D1 D2 D3 D4 E H J Z-d
QZ-04 120 185 100 72 15 14 90.5 4 3-M8
QZ-05 140 210 108 95 25 14 95 4 3-M8
QZ-06 175 248 142 130 36 20 105 4 6-M8
QZ-08 210 298 180 165 52 25 112 5 6-M10
QZ-10 252 346 226 206 75/185 30 118 6 6-M12
QZ-12 325 425 290 270 91/110 30 138 6 6-M12

Performance Parameters

MODEL Permissible pressure (Mpa) Jaw Stroke (mm) Wedge Angle Maximum static clamping force (KN) Maximum speed (r.p.m/min⁻¹) Weight (kg) Price
QZ-04 0.4-0.8 3.6 14° 39.5 3000 10.5
QZ-05 0.4-0.8 3.6 7° 54.8 2800 15.3
QZ-06 0.4-0.8 4 8° 134.3 2800 23
QZ-08 0.4-0.8 5 8° 193.8 2500 36
QZ-10 0.4-0.8 6 10° 285.8 2200 50
QZ-12 0.4-0.8 10 14° 497.6 1800 72

Parameter Explanation

  • D : Overall outer diameter of the chuck body
  • D1 : Mounting flange diameter
  • D2/D3/D4/E/H/J : Overall and mounting dimensions (unit: mm), corresponding to the engineering drawings
  • Z-d : Number and specification of mounting bolts
  • Permissible pressure : Recommended working air pressure range
  • Jaw Stroke : Maximum moving distance of each jaw
  • Wedge Angle : Internal wedge mechanism angle, affecting clamping force amplification
  • Maximum static clamping force : Maximum clamping force under standard working air pressure
  • Maximum speed : Maximum allowable rotational speed under safe operating conditions

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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