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K72 320 4-Jaw Independent Lathe Chuck D1 140mm High Precision Machining Tool

Product Description

K72 Four-Jaw Independent Chuck Overview
K72 Chuck Detail Structure 1
K72 Chuck Detail Structure 2
K72 Chuck Detail Structure 3
K72 Chuck Components 1
K72 Chuck Components 2
K72 Chuck Components 3
K72 Chuck Main Dimensions Design
Features:

K72 series Four-jaw independent chuck adopts short cylinder and short circular cone shape. Short circular cone shape can be subdivided into two types according to the way of joining with the spindle nose of machine tool: Type A (joined with screw), Type C (bolt locking joint), Type D (pull rod, cam locking joint).

Model Size D1 D2 D3 H H1 h Z-d
K72 320 140 165 95 138 90 6 4-M-16
K72 320 Chuck Front View
K72 320 Chuck Back View
K72 320 Chuck Side Profile
K72 320 Chuck Inside Mechanism Detail
Frequently Asked Questions (FAQ)
Q1: What is the main design feature of the K72 series four-jaw independent chuck?

A1: The K72 series chuck features a short cylinder and short circular cone shape. This design ensures compact mounting and reliable stability during various machining applications.

Q2: How many types of spindle nose connections are available for the short circular cone shape?

A2: There are three main connection types based on the machine spindle nose interface: Type A (joined via screw), Type C (bolt locking joint), and Type D (pull rod and cam locking joint).

Q3: Why choose a four-jaw independent chuck over a three-jaw self-centering chuck?

A3: A four-jaw independent chuck allows each jaw to be adjusted separately. This makes it ideal for holding asymmetrical, rectangular, or irregular-shaped workpieces, as well as enabling precise centering adjustments.

Q4: What are the key dimensions of the K72 320 model?

A4: The K72 320 model features a D1 value of 140, D2 of 165, D3 of 95, a height (H) of 138, H1 of 90, h of 6, and uses 4-M-16 mounting threads (Z-d).

Q5: How should the K72 series independent chuck be maintained?

A5: Regular cleaning of the jaws and guide tracks to remove metal chips, combined with proper lubrication of the adjusting screws, will maintain gripping accuracy and extend the service life of the chuck.

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